{"id":103777,"date":"2026-05-18T23:28:42","date_gmt":"2026-05-18T16:28:42","guid":{"rendered":"https:\/\/tiki.vn\/blog\/da-kho-la-gi-2\/"},"modified":"2026-05-18T23:28:42","modified_gmt":"2026-05-18T16:28:42","slug":"da-kho-la-gi-2","status":"publish","type":"post","link":"https:\/\/tiki.vn\/blog\/da-kho-la-gi-2\/","title":{"rendered":"\u0110\u00e1 kh\u00f4 l\u00e0 g\u00ec? T\u00e1c d\u1ee5ng c\u1ee7a \u0111\u00e1 kh\u00f4 trong cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y"},"content":{"rendered":"<p>\u0110\u00e1 kh\u00f4 l\u00e0 v\u1eadt li\u1ec7u quen thu\u1ed9c trong b\u1ea3o qu\u1ea3n th\u1ef1c ph\u1ea9m v\u00e0 t\u1ea1o hi\u1ec7u \u1ee9ng s\u00e2n kh\u1ea5u nh\u1edd kh\u1ea3 n\u0103ng l\u00e0m l\u1ea1nh s\u00e2u. Tuy nhi\u00ean, kh\u00f4ng ph\u1ea3i ai c\u0169ng hi\u1ec3u r\u00f5 b\u1ea3n ch\u1ea5t v\u00e0 c\u00e1ch t\u01b0\u01a1ng t\u00e1c an to\u00e0n v\u1edbi lo\u1ea1i kh\u00ed CO2 r\u1eafn n\u00e0y. B\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y s\u1ebd gi\u1ea3i \u0111\u00e1p chi ti\u1ebft \u0111\u00e1 kh\u00f4 l\u00e0 g\u00ec c\u00f9ng nh\u1eefng h\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng quan tr\u1ecdng gi\u00fap b\u1ea1n tr\u00e1nh r\u1ee7i ro b\u1ecfng l\u1ea1nh ho\u1eb7c ng\u1ea1t kh\u00ed.<\/p>\n<h2>1. \u0110\u00e1 kh\u00f4 l\u00e0 g\u00ec?<\/h2>\n<p>\u0110\u00e1 kh\u00f4 th\u1ef1c ch\u1ea5t l\u00e0 m\u1ed9t d\u1ea1ng r\u1eafn c\u1ee7a kh\u00ed Carbon dioxide (CO2). \u0110\u00e2y l\u00e0 s\u1ea3n ph\u1ea9m c\u1ee7a qu\u00e1 tr\u00ecnh n\u00e9n v\u00e0 l\u00e0m l\u1ea1nh kh\u00ed CO2 tinh khi\u1ebft cho \u0111\u1ebfn khi chuy\u1ec3n sang tr\u1ea1ng th\u00e1i r\u1eafn. Lo\u1ea1i v\u1eadt li\u1ec7u n\u00e0y thu h\u00fat s\u1ef1 ch\u00fa \u00fd nh\u1edd \u0111\u1eb7c t\u00ednh c\u1ef1c l\u1ea1nh v\u00e0 kh\u1ea3 n\u0103ng gi\u1eef m\u00f4i tr\u01b0\u1eddng xung quanh kh\u00f4 r\u00e1o ho\u00e0n to\u00e0n trong su\u1ed1t qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng.<\/p>\n<p>Kh\u00e1c v\u1edbi n\u01b0\u1edbc \u0111\u00e1 th\u00f4ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb n\u01b0\u1edbc \u0111\u00f3ng b\u0103ng, \u0111\u00e1 kh\u00f4 mang nh\u1eefng \u0111\u1eb7c th\u00f9 h\u00f3a l\u00fd ri\u00eang bi\u1ec7t. \u0110i\u1ec1u n\u00e0y khi\u1ebfn ph\u01b0\u01a1ng ph\u00e1p l\u01b0u tr\u1eef v\u00e0 v\u1eadn chuy\u1ec3n lo\u1ea1i \u0111\u00e1 n\u00e0y tr\u1edf n\u00ean kh\u1eaft khe h\u01a1n nh\u1eb1m \u0111\u1ea3m b\u1ea3o an to\u00e0n cho ng\u01b0\u1eddi d\u00f9ng v\u00e0 thi\u1ebft b\u1ecb xung quanh.<\/p>\n<h3>1.1. \u0110\u1eb7c \u0111i\u1ec3m v\u1eadt l\u00fd \u0111\u1eb7c tr\u01b0ng c\u1ee7a \u0111\u00e1 kh\u00f4<\/h3>\n<p>\u0110\u00e1 kh\u00f4 s\u1edf h\u1eefu nh\u1eefng th\u00f4ng s\u1ed1 v\u1eadt l\u00fd \u1ea5n t\u01b0\u1ee3ng, v\u01b0\u1ee3t xa kh\u1ea3 n\u0103ng l\u00e0m l\u1ea1nh c\u1ee7a n\u01b0\u1edbc \u0111\u00e1 th\u00f4ng th\u01b0\u1eddng. Nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m n\u00e0y quy\u1ebft \u0111\u1ecbnh tr\u1ef1c ti\u1ebfp \u0111\u1ebfn hi\u1ec7u qu\u1ea3 \u1ee9ng d\u1ee5ng c\u1ee7a v\u1eadt li\u1ec7u trong \u0111\u1eddi s\u1ed1ng v\u00e0 c\u00f4ng nghi\u1ec7p:<\/p>\n<ul>\n<li><strong>Nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t:<\/strong> \u0110\u00e1 kh\u00f4 c\u00f3 nhi\u1ec7t \u0111\u1ed9 c\u1ef1c th\u1ea5p, duy tr\u00ec \u1edf m\u1ee9c kho\u1ea3ng <strong>-78,5 \u0111\u1ed9 C<\/strong>.<\/li>\n<li><strong>Tr\u1ea1ng th\u00e1i:<\/strong> T\u1ed3n t\u1ea1i \u1edf d\u1ea1ng r\u1eafn, th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u00fac th\u00e0nh kh\u1ed1i l\u1edbn, vi\u00ean nh\u1ecf (pellet) ho\u1eb7c d\u1ea1ng t\u1ea5m m\u1ecfng t\u00f9y theo m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng.<\/li>\n<li><strong>M\u00e0u s\u1eafc v\u00e0 h\u00ecnh d\u00e1ng:<\/strong> V\u1eadt li\u1ec7u c\u00f3 m\u00e0u tr\u1eafng \u0111\u1ee5c gi\u1ed1ng nh\u01b0 tuy\u1ebft n\u00e9n ch\u1eb7t ho\u1eb7c h\u01a1i trong nh\u1eb9 t\u00f9y v\u00e0o m\u1eadt \u0111\u1ed9 n\u00e9n.<\/li>\n<li><strong>T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc:<\/strong> Khi ti\u1ebfp x\u00fac v\u1edbi m\u00f4i tr\u01b0\u1eddng, \u0111\u00e1 kh\u00f4 kh\u00f4ng n\u00f3ng ch\u1ea3y th\u00e0nh ch\u1ea5t l\u1ecfng m\u00e0 chuy\u1ec3n tr\u1ef1c ti\u1ebfp sang d\u1ea1ng kh\u00ed.<\/li>\n<li><strong>\u0110\u1ed9 s\u1ea1ch:<\/strong> Sau khi th\u0103ng hoa, v\u1eadt li\u1ec7u kh\u00f4ng \u0111\u1ec3 l\u1ea1i b\u1ea5t k\u1ef3 d\u01b0 l\u01b0\u1ee3ng n\u00e0o nh\u01b0 n\u01b0\u1edbc ho\u1eb7c ch\u1ea5t l\u00e0m m\u00e1t kh\u00e1c.<\/li>\n<\/ul>\n<h3>1.2. C\u00e1c t\u00ean g\u1ecdi ph\u1ed5 bi\u1ebfn kh\u00e1c c\u1ee7a \u0111\u00e1 kh\u00f4<\/h3>\n<p>T\u00f9y v\u00e0o v\u00f9ng mi\u1ec1n v\u00e0 m\u1ee5c \u0111\u00edch \u1ee9ng d\u1ee5ng, ng\u01b0\u1eddi ti\u00eau d\u00f9ng c\u00f3 th\u1ec3 b\u1eaft g\u1eb7p \u0111\u00e1 kh\u00f4 d\u01b0\u1edbi nhi\u1ec1u t\u00ean g\u1ecdi kh\u00e1c nhau. Vi\u1ec7c nh\u1eadn di\u1ec7n \u0111\u00fang t\u00ean g\u1ecdi gi\u00fap ng\u01b0\u1eddi d\u00f9ng t\u00ecm mua v\u00e0 tra c\u1ee9u th\u00f4ng tin h\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng ch\u00ednh x\u00e1c:<\/p>\n<ul>\n<li>B\u0103ng kh\u00f4.<\/li>\n<li>\u0110\u00e1 kh\u00f3i.<\/li>\n<li>\u0110\u00e1 kh\u00ed.<\/li>\n<li>N\u01b0\u1edbc \u0111\u00e1 kh\u00f4.<\/li>\n<li>Carbon dioxide r\u1eafn (CO2 r\u1eafn).<\/li>\n<\/ul>\n<h2>2. C\u01a1 ch\u1ebf th\u0103ng hoa \u0111\u1eb7c bi\u1ec7t c\u1ee7a \u0111\u00e1 kh\u00f4<\/h2>\n<p>C\u01a1 ch\u1ebf th\u0103ng hoa l\u00e0 \u0111i\u1ec3m m\u1ea5u ch\u1ed1t t\u1ea1o n\u00ean s\u1ef1 kh\u00e1c bi\u1ec7t v\u00e0 gi\u00e1 tr\u1ecb c\u1ee7a \u0111\u00e1 kh\u00f4. Trong khi n\u01b0\u1edbc \u0111\u00e1 c\u1ea7n h\u1ea5p th\u1ee5 nhi\u1ec7t \u0111\u1ec3 tan ch\u1ea3y th\u00e0nh n\u01b0\u1edbc l\u1ecfng, \u0111\u00e1 kh\u00f4 l\u1ea1i b\u1ecf qua ho\u00e0n to\u00e0n giai \u0111o\u1ea1n n\u00e0y. S\u1ef1 thay \u0111\u1ed5i tr\u1ea1ng th\u00e1i tr\u1ef1c ti\u1ebfp t\u1eeb r\u1eafn sang kh\u00ed gi\u00fap v\u1eadt li\u1ec7u n\u00e0y tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn \u01b0u vi\u1ec7t trong c\u00e1c t\u00ecnh hu\u1ed1ng c\u1ea7n s\u1ef1 s\u1ea1ch s\u1ebd tuy\u1ec7t \u0111\u1ed1i.<\/p>\n<p>Hi\u1ec3u r\u00f5 c\u01a1 ch\u1ebf n\u00e0y gi\u00fap ng\u01b0\u1eddi d\u00f9ng ki\u1ec3m so\u00e1t \u0111\u01b0\u1ee3c t\u1ed1c \u0111\u1ed9 ti\u00eau hao c\u1ee7a \u0111\u00e1 v\u00e0 d\u1ef1 ph\u00f2ng c\u00e1c bi\u1ec7n ph\u00e1p an to\u00e0n khi kh\u00ed CO2 gi\u1ea3i ph\u00f3ng ra m\u00f4i tr\u01b0\u1eddng.<\/p>\n<h3>2.1. T\u1ea1i sao \u0111\u00e1 kh\u00f4 l\u1ea1i &#8220;kh\u00f4&#8221;?<\/h3>\n<p>S\u1edf d\u0129 v\u1eadt li\u1ec7u n\u00e0y c\u00f3 t\u00ean g\u1ecdi l\u00e0 \u0111\u00e1 kh\u00f4 v\u00ec trong su\u1ed1t qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng, b\u1ec1 m\u1eb7t v\u1eadt ti\u1ebfp x\u00fac lu\u00f4n duy tr\u00ec tr\u1ea1ng th\u00e1i kh\u00f4 r\u00e1o. Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y x\u1ea3y ra do qu\u00e1 tr\u00ecnh <strong>th\u0103ng hoa<\/strong> \u2013 t\u1ee9c l\u00e0 Carbon dioxide r\u1eafn chuy\u1ec3n ngay l\u1eadp t\u1ee9c th\u00e0nh kh\u00ed khi \u1edf \u00e1p su\u1ea5t kh\u00ed quy\u1ec3n b\u00ecnh th\u01b0\u1eddng.<\/p>\n<p>V\u00ec kh\u00f4ng c\u00f3 giai \u0111o\u1ea1n h\u00f3a l\u1ecfng, \u0111\u00e1 kh\u00f4 mang l\u1ea1i nh\u1eefng l\u1ee3i \u00edch thi\u1ebft th\u1ef1c sau:<\/p>\n<ul>\n<li>Kh\u00f4ng l\u00e0m h\u1ecfng bao b\u00ec gi\u1ea5y ho\u1eb7c th\u00f9ng carton khi b\u1ea3o qu\u1ea3n h\u00e0ng h\u00f3a.<\/li>\n<li>Ng\u0103n ch\u1eb7n s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a n\u1ea5m m\u1ed1c v\u00e0 vi khu\u1ea9n v\u1ed1n th\u01b0\u1eddng sinh s\u00f4i trong m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt.<\/li>\n<li>Gi\u1eef cho th\u1ef1c ph\u1ea9m nh\u01b0 kem, h\u1ea3i s\u1ea3n kh\u00f4ng b\u1ecb bi\u1ebfn \u0111\u1ed5i c\u1ea5u tr\u00fac do ng\u1ea5m n\u01b0\u1edbc.<\/li>\n<li>Gi\u00fap m\u00f4i tr\u01b0\u1eddng xung quanh lu\u00f4n s\u1ea1ch s\u1ebd, gi\u1ea3m thi\u1ec3u c\u00f4ng s\u1ee9c v\u1ec7 sinh sau khi s\u1eed d\u1ee5ng.<\/li>\n<\/ul>\n<h3>2.2. Hi\u1ec7u \u1ee9ng kh\u00f3i tr\u1eafng khi g\u1eb7p n\u01b0\u1edbc<\/h3>\n<p>M\u1ed9t trong nh\u1eefng h\u00ecnh \u1ea3nh quen thu\u1ed9c nh\u1ea5t li\u00ean quan \u0111\u1ebfn \u0111\u00e1 kh\u00f4 l\u00e0 nh\u1eefng l\u00e0n kh\u00f3i tr\u1eafng d\u00e0y \u0111\u1eb7c v\u00e0 b\u1ed3ng b\u1ec1nh. Nhi\u1ec1u ng\u01b0\u1eddi l\u1ea7m t\u01b0\u1edfng \u0111\u00e2y ch\u00ednh l\u00e0 kh\u00ed CO2, nh\u01b0ng th\u1ef1c t\u1ebf kh\u00f3i tr\u1eafng l\u00e0 nh\u1eefng h\u1ea1t n\u01b0\u1edbc nh\u1ecf li ti \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh do s\u1ef1 ng\u01b0ng t\u1ee5.<\/p>\n<p>Khi cho \u0111\u00e1 kh\u00f4 v\u00e0o n\u01b0\u1edbc, s\u1ef1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 c\u1ef1c l\u1edbn (h\u01a1n 100 \u0111\u1ed9 C) khi\u1ebfn qu\u00e1 tr\u00ecnh th\u0103ng hoa x\u1ea3y ra m\u00e3nh li\u1ec7t. Kh\u00ed CO2 l\u1ea1nh gi\u1ea3i ph\u00f3ng ra l\u00e0m l\u1ea1nh \u0111\u1ed9t ng\u1ed9t h\u01a1i \u1ea9m trong kh\u00f4ng kh\u00ed xung quanh, t\u1ea1o th\u00e0nh m\u1ed9t m\u00e0n s\u01b0\u01a1ng m\u00f9 tr\u1eafng x\u00f3a. Do kh\u00ed CO2 n\u1eb7ng h\u01a1n kh\u00f4ng kh\u00ed, l\u00e0n kh\u00f3i n\u00e0y th\u01b0\u1eddng c\u00f3 xu h\u01b0\u1edbng bay s\u00e1t m\u1eb7t \u0111\u1ea5t ho\u1eb7c tr\u00e0n qua m\u00e9p v\u1eadt ch\u1ee9a, t\u1ea1o n\u00ean hi\u1ec7u \u1ee9ng th\u1ecb gi\u00e1c \u1ea5n t\u01b0\u1ee3ng.<\/p>\n<h2>3. So s\u00e1nh \u0111\u00e1 kh\u00f4 v\u00e0 \u0111\u00e1 gel d\u00f9ng cho qu\u1ea1t \u0111i\u1ec1u h\u00f2a<\/h2>\n<p>Tr\u00ean th\u1ecb tr\u01b0\u1eddng hi\u1ec7n nay, nhi\u1ec1u ng\u01b0\u1eddi th\u01b0\u1eddng nh\u1ea7m l\u1eabn gi\u1eefa \u0111\u00e1 kh\u00f4 nguy\u00ean b\u1ea3n v\u00e0 c\u00e1c lo\u1ea1i h\u1ed9p \u0111\u00e1 gi\u1eef l\u1ea1nh \u0111i k\u00e8m qu\u1ea1t \u0111i\u1ec1u h\u00f2a. Vi\u1ec7c ph\u00e2n bi\u1ec7t r\u00f5 hai lo\u1ea1i n\u00e0y gi\u00fap ng\u01b0\u1eddi d\u00f9ng s\u1eed d\u1ee5ng \u0111\u00fang c\u00e1ch v\u00e0 \u0111\u1ea3m b\u1ea3o an to\u00e0n cho s\u1ee9c kh\u1ecfe gia \u0111\u00ecnh.<\/p>\n<table>\n<thead>\n<tr>\n<th>Ti\u00eau ch\u00ed<\/th>\n<th>\u0110\u00e1 kh\u00f4 (CO2 r\u1eafn)<\/th>\n<th>\u0110\u00e1 gel (H\u1ed9p\/T\u00fai gi\u1eef l\u1ea1nh)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Th\u00e0nh ph\u1ea7n<\/strong><\/td>\n<td>100% Carbon dioxide n\u00e9n l\u1ea1nh.<\/td>\n<td>N\u01b0\u1edbc v\u00e0 b\u1ed9t polymer si\u00eau th\u1ea5m (SAP).<\/td>\n<\/tr>\n<tr>\n<td><strong>Nhi\u1ec7t \u0111\u1ed9<\/strong><\/td>\n<td>C\u1ef1c th\u1ea5p (-78,5 \u0111\u1ed9 C).<\/td>\n<td>Ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec7t \u0111\u1ed9 ng\u0103n \u0111\u00f4ng t\u1ee7 l\u1ea1nh (-10 \u0111\u1ebfn -18 \u0111\u1ed9 C).<\/td>\n<\/tr>\n<tr>\n<td><strong>Tr\u1ea1ng th\u00e1i<\/strong><\/td>\n<td>Th\u0103ng hoa th\u00e0nh kh\u00ed, kh\u00f4ng t\u00e1i s\u1eed d\u1ee5ng.<\/td>\n<td>Tan ch\u1ea3y th\u00e0nh gel trong t\u00fai, c\u00f3 th\u1ec3 t\u00e1i c\u1ea5p \u0111\u00f4ng nhi\u1ec1u l\u1ea7n.<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0110\u1ed9 an to\u00e0n<\/strong><\/td>\n<td>Nguy c\u01a1 b\u1ecfng l\u1ea1nh v\u00e0 ng\u1ea1t kh\u00ed cao n\u1ebfu d\u00f9ng sai.<\/td>\n<td>Kh\u00e1 an to\u00e0n, \u0111\u01b0\u1ee3c b\u1ecdc trong v\u1ecf nh\u1ef1a c\u1ee9ng b\u1ec1n b\u1ec9.<\/td>\n<\/tr>\n<tr>\n<td><strong>\u1ee8ng d\u1ee5ng qu\u1ea1t<\/strong><\/td>\n<td>\u00cdt d\u00f9ng tr\u1ef1c ti\u1ebfp v\u00ec l\u00e0m gi\u1ea3m tu\u1ed5i th\u1ecd m\u00e1y.<\/td>\n<td>L\u00e0 lo\u1ea1i ph\u1ed5 bi\u1ebfn nh\u1ea5t d\u00f9ng cho qu\u1ea1t \u0111i\u1ec1u h\u00f2a gia \u0111\u00ecnh.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Th\u1ef1c t\u1ebf, c\u00e1c lo\u1ea1i \u0111\u00e1 kh\u00f4 \u0111i k\u00e8m qu\u1ea1t \u0111i\u1ec1u h\u00f2a th\u01b0\u1eddng l\u00e0 <strong>\u0111\u00e1 gel<\/strong> \u0111\u01b0\u1ee3c \u0111\u00f3ng trong h\u1ed9p nh\u1ef1a k\u00edn. Ng\u01b0\u1eddi d\u00f9ng ch\u1ec9 c\u1ea7n cho h\u1ed9p n\u00e0y v\u00e0o ng\u0103n \u0111\u00f4ng t\u1ee7 l\u1ea1nh \u0111\u1ec3 t\u00edch l\u1ea1nh, sau \u0111\u00f3 \u0111\u1eb7t v\u00e0o khay n\u01b0\u1edbc c\u1ee7a qu\u1ea1t \u0111\u1ec3 l\u00e0m m\u00e1t kh\u00f4ng kh\u00ed.<\/p>\n<h2>4. 5 c\u00f4ng d\u1ee5ng ph\u1ed5 bi\u1ebfn c\u1ee7a \u0111\u00e1 kh\u00f4 trong \u0111\u1eddi s\u1ed1ng<\/h2>\n<p>Nh\u1edd nh\u1eefng \u0111\u1eb7c t\u00ednh v\u1eadt l\u00fd \u0111\u1ed9c \u0111\u00e1o, \u0111\u00e1 kh\u00f4 \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c t\u1eeb c\u00f4ng nghi\u1ec7p n\u1eb7ng \u0111\u1ebfn c\u00e1c sinh ho\u1ea1t h\u1eb1ng ng\u00e0y. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 5 c\u00f4ng d\u1ee5ng ti\u00eau bi\u1ec3u nh\u1ea5t cho th\u1ea5y t\u1ea7m quan tr\u1ecdng c\u1ee7a v\u1eadt li\u1ec7u n\u00e0y.<\/p>\n<h3>4.1. B\u1ea3o qu\u1ea3n th\u1ef1c ph\u1ea9m v\u00e0 d\u01b0\u1ee3c ph\u1ea9m \u0111i xa<\/h3>\n<p>\u0110\u00e2y l\u00e0 \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn v\u00e0 quan tr\u1ecdng nh\u1ea5t c\u1ee7a \u0111\u00e1 kh\u00f4 trong ng\u00e0nh logistics. \u0110\u1ed1i v\u1edbi c\u00e1c m\u1eb7t h\u00e0ng c\u1ea7n duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 \u0111\u00f4ng l\u1ea1nh s\u00e2u nh\u01b0 h\u1ea3i s\u1ea3n t\u01b0\u01a1i s\u1ed1ng, kem, th\u1ecbt xu\u1ea5t kh\u1ea9u ho\u1eb7c c\u00e1c lo\u1ea1i v\u1eafc xin, m\u1eabu sinh h\u1ecdc, \u0111\u00e1 kh\u00f4 l\u00e0 gi\u1ea3i ph\u00e1p t\u1ed1i \u01b0u.<\/p>\n<p>Lo\u1ea1i \u0111\u00e1 n\u00e0y cung c\u1ea5p \u0111\u1ed9 l\u1ea1nh s\u00e2u g\u1ea5p nhi\u1ec1u l\u1ea7n n\u01b0\u1edbc \u0111\u00e1, gi\u00fap k\u00e9o d\u00e0i th\u1eddi gian b\u1ea3o qu\u1ea3n l\u00ean \u0111\u1ebfn h\u00e0ng ch\u1ee5c ti\u1ebfng \u0111\u1ed3ng h\u1ed3. \u0110\u1eb7c bi\u1ec7t, m\u00f4i tr\u01b0\u1eddng kh\u00ed CO2 gi\u1ea3i ph\u00f3ng t\u1eeb qu\u00e1 tr\u00ecnh th\u0103ng hoa c\u00f2n c\u00f3 t\u00e1c d\u1ee5ng \u1ee9c ch\u1ebf s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a vi khu\u1ea9n v\u00e0 n\u1ea5m m\u1ed1c, gi\u00fap th\u1ef1c ph\u1ea9m gi\u1eef nguy\u00ean \u0111\u1ed9 t\u01b0\u01a1i ngon m\u00e0 kh\u00f4ng b\u1ecb \u00fang n\u01b0\u1edbc hay h\u1ecfng bao b\u00ec.<\/p>\n<h3>4.2. T\u1ea1o hi\u1ec7u \u1ee9ng s\u01b0\u01a1ng m\u00f9 cho s\u00e2n kh\u1ea5u v\u00e0 s\u1ef1 ki\u1ec7n<\/h3>\n<p>Trong ng\u00e0nh gi\u1ea3i tr\u00ed, \u0111\u00e1 kh\u00f4 l\u00e0 c\u00f4ng c\u1ee5 kh\u00f4ng th\u1ec3 thi\u1ebfu \u0111\u1ec3 t\u1ea1o n\u00ean kh\u00f4ng gian huy\u1ec1n \u1ea3o. T\u1ea1i c\u00e1c l\u1ec5 c\u01b0\u1edbi, s\u00e2n kh\u1ea5u ca nh\u1ea1c hay phim tr\u01b0\u1eddng, ng\u01b0\u1eddi ta th\u01b0\u1eddng cho \u0111\u00e1 kh\u00f4 v\u00e0o m\u00e1y t\u1ea1o kh\u00f3i ho\u1eb7c n\u01b0\u1edbc n\u00f3ng \u0111\u1ec3 t\u1ea1o ra l\u00e0n s\u01b0\u01a1ng m\u00f9 tr\u1eafng mu\u1ed1t.<\/p>\n<p>\u01afu \u0111i\u1ec3m c\u1ee7a hi\u1ec7u \u1ee9ng n\u00e0y l\u00e0 l\u00e0n kh\u00f3i d\u00e0y, m\u1ecbn, bay s\u00e1t m\u1eb7t \u0111\u1ea5t v\u00e0 nhanh ch\u00f3ng tan \u0111i m\u00e0 kh\u00f4ng \u0111\u1ec3 l\u1ea1i m\u00f9i h\u00f4i hay l\u00e0m \u1ea9m \u01b0\u1edbt s\u00e0n s\u00e2n kh\u1ea5u. So v\u1edbi c\u00e1c lo\u1ea1i h\u00f3a ch\u1ea5t t\u1ea1o kh\u00f3i kh\u00e1c, \u0111\u00e1 kh\u00f4 mang l\u1ea1i c\u1ea3m gi\u00e1c t\u1ef1 nhi\u00ean v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed h\u01a1n cho c\u00e1c s\u1ef1 ki\u1ec7n quy m\u00f4 v\u1eeba v\u00e0 nh\u1ecf.<\/p>\n<h3>4.3. L\u00e0m m\u00e1t m\u00e1y m\u00f3c v\u00e0 v\u1ec7 sinh c\u00f4ng nghi\u1ec7p<\/h3>\n<p>C\u00f4ng ngh\u1ec7 l\u00e0m s\u1ea1ch b\u1eb1ng \u0111\u00e1 kh\u00f4 (dry ice blasting) \u0111ang tr\u1edf th\u00e0nh xu h\u01b0\u1edbng trong v\u1ec7 sinh c\u00f4ng nghi\u1ec7p. Thay v\u00ec d\u00f9ng n\u01b0\u1edbc ho\u1eb7c h\u00f3a ch\u1ea5t, ng\u01b0\u1eddi ta d\u00f9ng c\u00e1c vi\u00ean \u0111\u00e1 kh\u00f4 nh\u1ecf b\u1eafn v\u1edbi t\u1ed1c \u0111\u1ed9 c\u1ef1c cao v\u00e0o b\u1ec1 m\u1eb7t c\u1ea7n l\u00e0m s\u1ea1ch.<\/p>\n<p>Khi va ch\u1ea1m, \u0111\u00e1 kh\u00f4 th\u0103ng hoa ngay l\u1eadp t\u1ee9c, t\u1ea1o ra c\u00e1c v\u1ee5 n\u1ed5 vi m\u00f4 l\u00e0m bong tr\u00f3c l\u1edbp d\u1ea7u m\u1ee1, b\u1ee5i b\u1ea9n ho\u1eb7c s\u01a1n b\u00e1m d\u00ednh m\u00e0 kh\u00f4ng l\u00e0m m\u00f2n b\u1ec1 m\u1eb7t m\u00e1y m\u00f3c. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u1eb7c bi\u1ec7t an to\u00e0n cho c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed, \u0111\u1ed9ng c\u01a1 xe h\u01a1i ho\u1eb7c d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t th\u1ef1c ph\u1ea9m v\u00ec kh\u00f4ng \u0111\u1ec3 l\u1ea1i \u0111\u1ed9 \u1ea9m hay d\u01b0 l\u01b0\u1ee3ng h\u00f3a ch\u1ea5t \u0111\u1ed9c h\u1ea1i.<\/p>\n<h3>4.4. H\u1ed7 tr\u1ee3 thi\u1ebft b\u1ecb l\u00e0m m\u00e1t d\u00e2n d\u1ee5ng<\/h3>\n<p>Trong nh\u1eefng ng\u00e0y n\u1eafng n\u00f3ng \u0111\u1ec9nh \u0111i\u1ec3m, \u0111\u00e1 kh\u00f4 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 h\u1ed7 tr\u1ee3 c\u00e1c thi\u1ebft b\u1ecb nh\u01b0 qu\u1ea1t h\u01a1i n\u01b0\u1edbc ho\u1eb7c qu\u1ea1t \u0111i\u1ec1u h\u00f2a. B\u1eb1ng c\u00e1ch \u0111\u1eb7t m\u1ed9t l\u01b0\u1ee3ng \u0111\u00e1 kh\u00f4 (th\u01b0\u1eddng l\u00e0 lo\u1ea1i \u0111\u00e1 gel chuy\u00ean d\u1ee5ng) v\u00e0o khoang ch\u1ee9a n\u01b0\u1edbc, qu\u1ea1t s\u1ebd t\u1ea1o ra lu\u1ed3ng gi\u00f3 m\u00e1t l\u1ea1nh s\u00e2u h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi vi\u1ec7c ch\u1ec9 d\u00f9ng n\u01b0\u1edbc th\u01b0\u1eddng.<\/p>\n<p>Tuy nhi\u00ean, ng\u01b0\u1eddi d\u00f9ng c\u1ea7n l\u01b0u \u00fd ch\u1ec9 s\u1eed d\u1ee5ng trong kh\u00f4ng gian c\u00f3 s\u1ef1 l\u01b0u th\u00f4ng kh\u00f4ng kh\u00ed nh\u1ea5t \u0111\u1ecbnh. N\u1ebfu d\u00f9ng \u0111\u00e1 kh\u00f4 nguy\u00ean b\u1ea3n (CO2 r\u1eafn) trong ph\u00f2ng ng\u1ee7 qu\u00e1 k\u00edn, n\u1ed3ng \u0111\u1ed9 kh\u00ed CO2 t\u0103ng cao c\u00f3 th\u1ec3 g\u00e2y kh\u00f3 th\u1edf ho\u1eb7c m\u1ec7t m\u1ecfi sau khi th\u1ee9c d\u1eady.<\/p>\n<h3>4.5. \u1ee8ng d\u1ee5ng trong ng\u00e0nh c\u01a1 kh\u00ed<\/h3>\n<p>Trong l\u0129nh v\u1ef1c c\u01a1 kh\u00ed ch\u00ednh x\u00e1c, \u0111\u00e1 kh\u00f4 \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 x\u1eed l\u00fd c\u00e1c chi ti\u1ebft kim lo\u1ea1i. Khi c\u1ea7n l\u1eafp r\u00e1p c\u00e1c tr\u1ee5c kim lo\u1ea1i v\u00e0o \u1ed5 tr\u1ee5c v\u1edbi \u0111\u1ed9 kh\u00edt tuy\u1ec7t \u0111\u1ed1i, ng\u01b0\u1eddi th\u1ee3 s\u1ebd cho tr\u1ee5c v\u00e0o m\u00f4i tr\u01b0\u1eddng \u0111\u00e1 kh\u00f4.<\/p>\n<p>Nhi\u1ec7t \u0111\u1ed9 c\u1ef1c l\u1ea1nh khi\u1ebfn kim lo\u1ea1i co l\u1ea1i, gi\u00fap vi\u1ec7c \u0111\u01b0a tr\u1ee5c v\u00e0o l\u1ed7 tr\u1edf n\u00ean d\u1ec5 d\u00e0ng. Khi tr\u1ee5c \u1ea5m tr\u1edf l\u1ea1i nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng, kim lo\u1ea1i s\u1ebd n\u1edf ra v\u00e0 t\u1ea1o n\u00ean m\u1ed9t m\u1ed1i n\u1ed1i c\u1ef1c k\u1ef3 ch\u1eafc ch\u1eafn v\u00e0 kh\u00edt khao m\u00e0 kh\u00f4ng c\u1ea7n d\u00f9ng \u0111\u1ebfn c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u00e1c \u0111\u1ed9ng l\u1ef1c m\u1ea1nh g\u00e2y h\u01b0 h\u1ea1i b\u1ec1 m\u1eb7t.<\/p>\n<h2>5. Nh\u1eefng nguy c\u01a1 ti\u1ec1m \u1ea9n khi s\u1eed d\u1ee5ng \u0111\u00e1 kh\u00f4<\/h2>\n<p>D\u00f9 mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch, \u0111\u00e1 kh\u00f4 v\u1eabn \u0111\u01b0\u1ee3c x\u1ebfp v\u00e0o nh\u00f3m v\u1eadt li\u1ec7u nguy hi\u1ec3m n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c x\u1eed l\u00fd \u0111\u00fang c\u00e1ch. Ng\u01b0\u1eddi d\u00f9ng c\u1ea7n nh\u1eadn th\u1ee9c r\u00f5 c\u00e1c r\u1ee7i ro d\u01b0\u1edbi \u0111\u00e2y \u0111\u1ec3 c\u00f3 bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba ph\u00f9 h\u1ee3p cho b\u1ea3n th\u00e2n v\u00e0 gia \u0111\u00ecnh.<\/p>\n<h3>5.1. B\u1ecfng l\u1ea1nh nghi\u00eam tr\u1ecdng<\/h3>\n<p>\u0110\u00e2y l\u00e0 tai n\u1ea1n ph\u1ed5 bi\u1ebfn nh\u1ea5t khi t\u01b0\u01a1ng t\u00e1c v\u1edbi \u0111\u00e1 kh\u00f4. V\u1edbi nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t xu\u1ed1ng t\u1edbi -78,5 \u0111\u1ed9 C, vi\u1ec7c ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp b\u1eb1ng da tr\u1ea7n d\u00f9 ch\u1ec9 trong v\u00e0i gi\u00e2y c\u0169ng c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng <strong>b\u1ecfng l\u1ea1nh (frostbite)<\/strong>.<\/p>\n<p>Khi b\u1ecb b\u1ecfng l\u1ea1nh, c\u00e1c t\u1ebf b\u00e0o da b\u1ecb \u0111\u00f3ng b\u0103ng v\u00e0 ph\u00e1 h\u1ee7y ngay l\u1eadp t\u1ee9c, g\u00e2y ra c\u00e1c tri\u1ec7u ch\u1ee9ng nh\u01b0 \u0111au r\u00e1t, ph\u1ed3ng r\u1ed9p, th\u1eadm ch\u00ed l\u00e0 ho\u1ea1i t\u1eed n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c s\u01a1 c\u1ee9u k\u1ecbp th\u1eddi. V\u00ec v\u1eady, tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng \u0111\u01b0\u1ee3c c\u1ea7m n\u1eafm \u0111\u00e1 kh\u00f4 b\u1eb1ng tay kh\u00f4ng v\u00e0 ph\u1ea3i \u0111\u1ec3 v\u1eadt li\u1ec7u n\u00e0y tr\u00e1nh xa t\u1ea7m tay c\u1ee7a tr\u1ebb em, nh\u1eefng ng\u01b0\u1eddi v\u1ed1n ch\u01b0a hi\u1ec3u r\u00f5 m\u1ee9c \u0111\u1ed9 nguy hi\u1ec3m c\u1ee7a lo\u1ea1i \u0111\u00e1 n\u00e0y.<\/p>\n<h3>5.2. Nguy c\u01a1 g\u00e2y ng\u1ea1t kh\u00ed CO2<\/h3>\n<p>\u0110\u00e1 kh\u00f4 khi th\u0103ng hoa s\u1ebd gi\u1ea3i ph\u00f3ng m\u1ed9t l\u01b0\u1ee3ng l\u1edbn kh\u00ed Carbon dioxide. Trong \u0111i\u1ec1u ki\u1ec7n b\u00ecnh th\u01b0\u1eddng, CO2 kh\u00f4ng \u0111\u1ed9c, nh\u01b0ng n\u1ebfu n\u1ed3ng \u0111\u1ed9 n\u00e0y trong kh\u00f4ng kh\u00ed t\u0103ng qu\u00e1 cao, n\u00f3 s\u1ebd chi\u1ebfm ch\u1ed7 c\u1ee7a Oxy, d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng thi\u1ebfu h\u1ee5t d\u01b0\u1ee1ng kh\u00ed cho c\u01a1 th\u1ec3.<\/p>\n<p>N\u1ebfu s\u1eed d\u1ee5ng \u0111\u00e1 kh\u00f4 trong ph\u00f2ng k\u00edn, xe h\u01a1i \u0111\u00f3ng k\u00edn c\u1eeda ho\u1eb7c c\u00e1c khu v\u1ef1c h\u1ea7m th\u1ea5p, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 g\u1eb7p c\u00e1c tri\u1ec7u ch\u1ee9ng nh\u01b0:<\/p>\n<ul>\n<li>\u0110au \u0111\u1ea7u, ch\u00f3ng m\u1eb7t.<\/li>\n<li>Kh\u00f3 th\u1edf, tim \u0111\u1eadp nhanh.<\/li>\n<li>M\u1ec7t m\u1ecfi, bu\u1ed3n n\u00f4n.<\/li>\n<li>Trong tr\u01b0\u1eddng h\u1ee3p nghi\u00eam tr\u1ecdng c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn b\u1ea5t t\u1ec9nh.<\/li>\n<\/ul>\n<h3>5.3. Nguy c\u01a1 n\u1ed5 \u00e1p su\u1ea5t<\/h3>\n<p>M\u1ed9t sai l\u1ea7m nguy hi\u1ec3m m\u00e0 nhi\u1ec1u ng\u01b0\u1eddi m\u1eafc ph\u1ea3i l\u00e0 ch\u1ee9a \u0111\u00e1 kh\u00f4 trong c\u00e1c b\u00ecnh k\u00edn ho\u00e0n to\u00e0n nh\u01b0 chai nh\u1ef1a, b\u00ecnh th\u1ee7y tinh hay b\u00ecnh gi\u1eef nhi\u1ec7t v\u1eb7n ch\u1eb7t n\u1eafp. Khi \u0111\u00e1 kh\u00f4 th\u0103ng hoa, n\u00f3 chuy\u1ec3n t\u1eeb th\u1ec3 r\u1eafn sang th\u1ec3 kh\u00ed v\u1edbi s\u1ef1 gi\u00e3n n\u1edf th\u1ec3 t\u00edch c\u1ef1c l\u1edbn (g\u1ea5p kho\u1ea3ng 800 l\u1ea7n).<\/p>\n<p>Trong m\u1ed9t kh\u00f4ng gian k\u00edn kh\u00f4ng c\u00f3 \u0111\u01b0\u1eddng tho\u00e1t kh\u00ed, \u00e1p su\u1ea5t s\u1ebd t\u0103ng l\u00ean nhanh ch\u00f3ng v\u00e0 v\u01b0\u1ee3t qu\u00e1 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u1ef1ng c\u1ee7a v\u1eadt ch\u1ee9a. \u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn c\u00e1c v\u1ee5 n\u1ed5 \u00e1p su\u1ea5t m\u1ea1nh, c\u00f3 th\u1ec3 g\u00e2y th\u01b0\u01a1ng t\u00edch nghi\u00eam tr\u1ecdng t\u1eeb c\u00e1c m\u1ea3nh v\u1ee1 c\u1ee7a b\u00ecnh ch\u1ee9a. Do \u0111\u00f3, vi\u1ec7c l\u01b0u tr\u1eef \u0111\u00e1 kh\u00f4 lu\u00f4n \u0111\u00f2i h\u1ecfi ph\u1ea3i c\u00f3 s\u1ef1 th\u00f4ng tho\u00e1ng nh\u1ea5t \u0111\u1ecbnh \u0111\u1ec3 kh\u00ed tho\u00e1t ra ngo\u00e0i.<\/p>\n<h2>6. H\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng v\u00e0 b\u1ea3o qu\u1ea3n \u0111\u00e1 kh\u00f4 an to\u00e0n t\u1ea1i nh\u00e0<\/h2>\n<p>\u0110\u1ec3 khai th\u00e1c t\u1ed1i \u0111a c\u00f4ng d\u1ee5ng c\u1ee7a \u0111\u00e1 kh\u00f4 m\u00e0 v\u1eabn \u0111\u1ea3m b\u1ea3o an to\u00e0n tuy\u1ec7t \u0111\u1ed1i, ng\u01b0\u1eddi d\u00f9ng c\u1ea7n tu\u00e2n th\u1ee7 c\u00e1c quy t\u1eafc nghi\u00eam ng\u1eb7t trong qu\u00e1 tr\u00ecnh ti\u1ebfp x\u00fac, l\u01b0u tr\u1eef v\u00e0 ti\u00eau h\u1ee7y.<\/p>\n<h3>6.1. Quy t\u1eafc ti\u1ebfp x\u00fac an to\u00e0n<\/h3>\n<p>Nguy\u00ean t\u1eafc quan tr\u1ecdng nh\u1ea5t khi l\u00e0m vi\u1ec7c v\u1edbi \u0111\u00e1 kh\u00f4 l\u00e0 kh\u00f4ng bao gi\u1edd \u0111\u1ec3 v\u1eadt li\u1ec7u ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi da. B\u1ea1n c\u1ea7n trang b\u1ecb c\u00e1c ph\u1ee5 ki\u1ec7n b\u1ea3o h\u1ed9 sau:<\/p>\n<ul>\n<li>S\u1eed d\u1ee5ng k\u1eb9p g\u1eafp d\u00e0i ho\u1eb7c th\u00eca x\u00fac chuy\u00ean d\u1ee5ng \u0111\u1ec3 di chuy\u1ec3n \u0111\u00e1.<\/li>\n<li>\u0110eo g\u0103ng tay v\u1ea3i d\u00e0y, g\u0103ng tay da ho\u1eb7c g\u0103ng tay b\u1ea3o h\u1ed9 chuy\u00ean d\u1ee5ng. G\u0103ng tay cao su m\u1ecfng th\u01b0\u1eddng kh\u00f4ng \u0111\u1ee7 kh\u1ea3 n\u0103ng c\u00e1ch nhi\u1ec7t t\u1ed1t.<\/li>\n<li>M\u1eb7c \u00e1o d\u00e0i tay v\u00e0 \u0111eo k\u00ednh b\u1ea3o h\u1ed9 n\u1ebfu ph\u1ea3i x\u1eed l\u00fd \u0111\u00e1 kh\u00f4 v\u1edbi s\u1ed1 l\u01b0\u1ee3ng l\u1edbn ho\u1eb7c th\u1ef1c hi\u1ec7n c\u00e1c thao t\u00e1c b\u1eafn \u0111\u00e1 v\u1ec7 sinh.<\/li>\n<li>N\u1ebfu v\u00f4 t\u00ecnh ch\u1ea1m ph\u1ea3i \u0111\u00e1 kh\u00f4 v\u00e0 b\u1ecb \u0111\u1ecf da ho\u1eb7c \u0111au r\u00e1t, h\u00e3y ng\u00e2m v\u00f9ng da \u0111\u00f3 v\u00e0o n\u01b0\u1edbc \u1ea5m (kh\u00f4ng d\u00f9ng n\u01b0\u1edbc n\u00f3ng) v\u00e0 \u0111\u1ebfn c\u01a1 s\u1edf y t\u1ebf n\u1ebfu xu\u1ea5t hi\u1ec7n m\u1ee5n n\u01b0\u1edbc.<\/li>\n<\/ul>\n<h3>6.2. C\u00e1ch b\u1ea3o qu\u1ea3n \u0111\u00fang quy tr\u00ecnh<\/h3>\n<p>\u0110\u00e1 kh\u00f4 kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c b\u1ea3o qu\u1ea3n trong t\u1ee7 l\u1ea1nh ho\u1eb7c t\u1ee7 \u0111\u00f4ng th\u00f4ng th\u01b0\u1eddng v\u00ec nhi\u1ec7t \u0111\u1ed9 c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb n\u00e0y qu\u00e1 cao so v\u1edbi \u0111\u00e1 kh\u00f4, khi\u1ebfn \u0111\u00e1 nhanh ch\u00f3ng th\u0103ng hoa. \u0110\u1ec3 l\u01b0u tr\u1eef \u0111\u00e1 kh\u00f4 hi\u1ec7u qu\u1ea3, h\u00e3y l\u00e0m theo c\u00e1c b\u01b0\u1edbc sau:<\/p>\n<ul>\n<li><strong>S\u1eed d\u1ee5ng th\u00f9ng x\u1ed1p c\u00e1ch nhi\u1ec7t:<\/strong> \u0110\u00e2y l\u00e0 v\u1eadt li\u1ec7u gi\u1eef l\u1ea1nh t\u1ed1t nh\u1ea5t v\u00e0 ph\u1ed5 bi\u1ebfn nh\u1ea5t cho \u0111\u00e1 kh\u00f4. L\u1edbp x\u1ed1p d\u00e0y gi\u00fap l\u00e0m ch\u1eadm qu\u00e1 tr\u00ecnh th\u0103ng hoa.<\/li>\n<li><strong>Kh\u00f4ng \u0111\u00f3ng k\u00edn n\u1eafp:<\/strong> \u0110\u1eb7t n\u1eafp th\u00f9ng x\u1ed1p l\u00ean nh\u01b0ng kh\u00f4ng d\u00e1n b\u0103ng keo k\u00edn m\u00edt. \u0110\u1ec3 m\u1ed9t khe h\u1edf nh\u1ecf cho kh\u00ed CO2 tho\u00e1t ra, tr\u00e1nh t\u00edch t\u1ee5 \u00e1p su\u1ea5t.<\/li>\n<li><strong>B\u1ecdc th\u00eam l\u1edbp gi\u1ea5y b\u00e1o:<\/strong> Qu\u1ea5n \u0111\u00e1 kh\u00f4 trong nhi\u1ec1u l\u1edbp gi\u1ea5y b\u00e1o c\u0169 gi\u00fap t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng c\u00e1ch nhi\u1ec7t v\u00e0 gi\u1ea3m t\u1ed1c \u0111\u1ed9 bay h\u01a1i c\u1ee7a \u0111\u00e1.<\/li>\n<li><strong>V\u1ecb tr\u00ed \u0111\u1eb7t th\u00f9ng:<\/strong> \u0110\u1eb7t th\u00f9ng ch\u1ee9a \u1edf n\u01a1i tho\u00e1ng gi\u00f3, xa khu v\u1ef1c sinh ho\u1ea1t ch\u00ednh v\u00e0 kh\u00f4ng \u0111\u1eb7t trong ph\u00f2ng ng\u1ee7 hay c\u00e1c kh\u00f4ng gian h\u1eb9p k\u00edn.<\/li>\n<li><strong>L\u01b0u \u00fd cho t\u1ee7 l\u1ea1nh gia \u0111\u00ecnh:<\/strong> Kh\u00f4ng n\u00ean b\u1ecf \u0111\u00e1 kh\u00f4 v\u00e0o ng\u0103n \u0111\u00e1 t\u1ee7 l\u1ea1nh v\u00ec h\u01a1i l\u1ea1nh c\u1ef1c s\u00e2u c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng b\u1ed9 c\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ed9 ho\u1eb7c l\u00e0m n\u1ee9t c\u00e1c khay nh\u1ef1a c\u1ee7a t\u1ee7.<\/li>\n<\/ul>\n<h3>6.3. C\u00e1ch x\u1eed l\u00fd \u0111\u00e1 kh\u00f4 c\u00f2n th\u1eeba<\/h3>\n<p>Khi kh\u00f4ng c\u00f2n nhu c\u1ea7u s\u1eed d\u1ee5ng, tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ecf \u0111\u00e1 kh\u00f4 v\u00e0o b\u1ed3n c\u1ea7u, b\u1ed3n r\u1eeda ch\u00e9n hay th\u00f9ng r\u00e1c c\u00f4ng c\u1ed9ng khi \u0111\u00e1 v\u1eabn c\u00f2n \u1edf d\u1ea1ng r\u1eafn. \u00c1p su\u1ea5t kh\u00ed c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng h\u1ec7 th\u1ed1ng \u1ed1ng n\u01b0\u1edbc ho\u1eb7c g\u00e2y n\u1ed5 th\u00f9ng r\u00e1c.<\/p>\n<p>C\u00e1ch x\u1eed l\u00fd an to\u00e0n nh\u1ea5t l\u00e0 \u0111\u1ec3 \u0111\u00e1 kh\u00f4 th\u0103ng hoa t\u1ef1 nhi\u00ean:<\/p>\n<ol>\n<li>\u0110\u01b0a th\u00f9ng ch\u1ee9a \u0111\u00e1 ra ngo\u00e0i tr\u1eddi ho\u1eb7c khu v\u1ef1c ban c\u00f4ng th\u00f4ng tho\u00e1ng, n\u01a1i tr\u1ebb em v\u00e0 v\u1eadt nu\u00f4i kh\u00f4ng ti\u1ebfp c\u1eadn \u0111\u01b0\u1ee3c.<\/li>\n<li>M\u1edf n\u1eafp th\u00f9ng \u0111\u1ec3 \u0111\u00e1 ti\u1ebfp x\u00fac v\u1edbi kh\u00f4ng kh\u00ed.<\/li>\n<li>Ch\u1edd cho \u0111\u1ebfn khi to\u00e0n b\u1ed9 \u0111\u00e1 chuy\u1ec3n th\u00e0nh kh\u00ed v\u00e0 bi\u1ebfn m\u1ea5t ho\u00e0n to\u00e0n.<\/li>\n<li>Sau khi \u0111\u00e1 \u0111\u00e3 bay h\u01a1i h\u1ebft, b\u1ea1n c\u00f3 th\u1ec3 v\u1ec7 sinh th\u00f9ng ch\u1ee9a v\u00e0 s\u1eed d\u1ee5ng cho c\u00e1c m\u1ee5c \u0111\u00edch kh\u00e1c.<\/li>\n<\/ol>\n<h2>7. M\u1ed9t s\u1ed1 c\u00e2u h\u1ecfi li\u00ean quan<\/h2>\n<p>\u0110\u1ec3 gi\u00fap b\u1ea1n \u0111\u1ecdc c\u00f3 c\u00e1i nh\u00ecn to\u00e0n di\u1ec7n v\u00e0 gi\u1ea3i quy\u1ebft c\u00e1c t\u00ecnh hu\u1ed1ng c\u1ee5 th\u1ec3, d\u01b0\u1edbi \u0111\u00e2y l\u00e0 gi\u1ea3i \u0111\u00e1p cho nh\u1eefng th\u1eafc m\u1eafc ph\u1ed5 bi\u1ebfn nh\u1ea5t v\u1ec1 \u0111\u00e1 kh\u00f4.<\/p>\n<h3>7.1. \u0110\u00e1 kh\u00f4 c\u00f3 \u0111\u01b0\u1ee3c mang l\u00ean m\u00e1y bay kh\u00f4ng?<\/h3>\n<p>Theo quy \u0111\u1ecbnh c\u1ee7a Hi\u1ec7p h\u1ed9i V\u1eadn t\u1ea3i H\u00e0ng kh\u00f4ng Qu\u1ed1c t\u1ebf (IATA) v\u00e0 c\u00e1c h\u00e3ng h\u00e0ng kh\u00f4ng, \u0111\u00e1 kh\u00f4 \u0111\u01b0\u1ee3c ph\u00e9p mang l\u00ean m\u00e1y bay nh\u01b0ng c\u00f3 nh\u1eefng h\u1ea1n ch\u1ebf nghi\u00eam ng\u1eb7t. Th\u00f4ng th\u01b0\u1eddng, m\u1ed7i h\u00e0nh kh\u00e1ch ch\u1ec9 \u0111\u01b0\u1ee3c mang t\u1ed1i \u0111a <strong>2,5 kg<\/strong> \u0111\u00e1 kh\u00f4 n\u1ebfu d\u00f9ng \u0111\u1ec3 b\u1ea3o qu\u1ea3n c\u00e1c m\u1eb7t h\u00e0ng mau h\u1ecfng (nh\u01b0 th\u1ef1c ph\u1ea9m, thu\u1ed1c).<\/p>\n<p>G\u00f3i h\u00e0ng ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u00f3ng g\u00f3i sao cho kh\u00ed CO2 c\u00f3 th\u1ec3 tho\u00e1t ra ngo\u00e0i v\u00e0 ph\u1ea3i c\u00f3 nh\u00e3n ghi r\u00f5 &#8220;Dry Ice&#8221; c\u00f9ng tr\u1ecdng l\u01b0\u1ee3ng t\u1ecbnh. B\u1ea1n c\u1ea7n th\u00f4ng b\u00e1o tr\u01b0\u1edbc v\u1edbi h\u00e3ng h\u00e0ng kh\u00f4ng khi l\u00e0m th\u1ee7 t\u1ee5c check-in \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u01b0\u1edbng d\u1eabn chi ti\u1ebft theo quy \u0111\u1ecbnh ri\u00eang c\u1ee7a t\u1eebng h\u00e3ng.<\/p>\n<h3>7.2. \u0102n th\u1ef1c ph\u1ea9m ti\u1ebfp x\u00fac v\u1edbi \u0111\u00e1 kh\u00f4 c\u00f3 sao kh\u00f4ng?<\/h3>\n<p>\u0110\u00e1 kh\u00f4 \u0111\u01b0\u1ee3c coi l\u00e0 an to\u00e0n khi d\u00f9ng \u0111\u1ec3 l\u00e0m l\u1ea1nh th\u1ef1c ph\u1ea9m t\u1eeb b\u00ean ngo\u00e0i. Tuy nhi\u00ean, b\u1ea1n tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ecf tr\u1ef1c ti\u1ebfp \u0111\u00e1 kh\u00f4 v\u00e0o mi\u1ec7ng, nu\u1ed1t ho\u1eb7c cho v\u00e0o \u0111\u1ed3 u\u1ed1ng \u0111\u1ec3 l\u00e0m l\u1ea1nh. Vi\u1ec7c nu\u1ed1t \u0111\u00e1 kh\u00f4 s\u1ebd g\u00e2y b\u1ecfng l\u1ea1nh th\u1ef1c qu\u1ea3n v\u00e0 d\u1ea1 d\u00e0y nghi\u00eam tr\u1ecdng, \u0111\u1ed3ng th\u1eddi kh\u00ed CO2 gi\u1ea3i ph\u00f3ng trong b\u1ee5ng c\u00f3 th\u1ec3 g\u00e2y t\u1ed5n th\u01b0\u01a1ng n\u1ed9i t\u1ea1ng.<\/p>\n<p>\u0110\u1ed1i v\u1edbi th\u1ef1c ph\u1ea9m \u0111\u01b0\u1ee3c b\u1ea3o qu\u1ea3n b\u1eb1ng \u0111\u00e1 kh\u00f4, sau khi l\u1ea5y ra kh\u1ecfi th\u00f9ng ch\u1ee9a, b\u1ea1n n\u00ean \u0111\u1ec3 th\u1ef1c ph\u1ea9m \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng m\u1ed9t th\u1eddi gian ng\u1eafn \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u00f4ng c\u00f2n c\u00e1c tinh th\u1ec3 \u0111\u00e1 kh\u00f4 li ti b\u00e1m tr\u00ean b\u1ec1 m\u1eb7t tr\u01b0\u1edbc khi ch\u1ebf bi\u1ebfn ho\u1eb7c th\u01b0\u1edfng th\u1ee9c.<\/p>\n<h3>7.3. \u0110\u00e1 kh\u00f4 gi\u1eef l\u1ea1nh \u0111\u01b0\u1ee3c trong bao l\u00e2u?<\/h3>\n<p>Th\u1eddi gian gi\u1eef l\u1ea1nh c\u1ee7a \u0111\u00e1 kh\u00f4 ph\u1ee5 thu\u1ed9c r\u1ea5t l\u1edbn v\u00e0o ch\u1ea5t l\u01b0\u1ee3ng th\u00f9ng c\u00e1ch nhi\u1ec7t v\u00e0 \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng. Th\u00f4ng th\u01b0\u1eddng, trong m\u1ed9t th\u00f9ng x\u1ed1p ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t, \u0111\u00e1 kh\u00f4 c\u00f3 th\u1ec3 duy tr\u00ec tr\u1ea1ng th\u00e1i r\u1eafn t\u1eeb <strong>18 \u0111\u1ebfn 24 ti\u1ebfng<\/strong>.<\/p>\n<p>N\u1ebfu \u0111\u1ec3 \u0111\u00e1 kh\u00f4 ngo\u00e0i kh\u00f4ng kh\u00ed m\u00e0 kh\u00f4ng c\u00f3 v\u1eadt che ch\u1eafn, ch\u00fang s\u1ebd th\u0103ng hoa r\u1ea5t nhanh. Trung b\u00ecnh c\u1ee9 sau m\u1ed7i 24 gi\u1edd trong th\u00f9ng c\u00e1ch nhi\u1ec7t, kho\u1ea3ng 2 kg \u0111\u1ebfn 5 kg \u0111\u00e1 kh\u00f4 s\u1ebd bi\u1ebfn th\u00e0nh kh\u00ed t\u00f9y v\u00e0o \u0111\u1ed9 k\u00edn v\u00e0 nhi\u1ec7t \u0111\u1ed9 b\u00ean ngo\u00e0i. V\u00ec v\u1eady, b\u1ea1n ch\u1ec9 n\u00ean mua \u0111\u00e1 kh\u00f4 ngay s\u00e1t th\u1eddi \u0111i\u1ec3m c\u1ea7n s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 l\u00e0m l\u1ea1nh t\u1ed1i \u01b0u.<\/p>\n<h3>7.4. Mua \u0111\u00e1 kh\u00f4 \u1edf \u0111\u00e2u uy t\u00edn?<\/h3>\n<p>B\u1ea1n c\u00f3 th\u1ec3 mua \u0111\u00e1 kh\u00f4 t\u1ea1i c\u00e1c c\u01a1 s\u1edf s\u1ea3n xu\u1ea5t kh\u00ed c\u00f4ng nghi\u1ec7p, c\u00e1c \u0111\u1ea1i l\u00fd ph\u00e2n ph\u1ed1i \u0111\u00e1 gi\u1eef l\u1ea1nh chuy\u00ean d\u1ee5ng ho\u1eb7c m\u1ed9t s\u1ed1 c\u1eeda h\u00e0ng cung c\u1ea5p thi\u1ebft b\u1ecb s\u1ef1 ki\u1ec7n. T\u1ea1i c\u00e1c th\u00e0nh ph\u1ed1 l\u1edbn, c\u00f3 nhi\u1ec1u d\u1ecbch v\u1ee5 giao \u0111\u00e1 kh\u00f4 t\u1eadn n\u01a1i v\u1edbi c\u00e1c quy c\u00e1ch \u0111\u00f3ng g\u00f3i kh\u00e1c nhau nh\u01b0 d\u1ea1ng vi\u00ean, d\u1ea1ng kh\u1ed1i hay d\u1ea1ng t\u1ea5m.<\/p>\n<p>Khi mua, h\u00e3y ch\u1ecdn nh\u1eefng \u0111\u01a1n v\u1ecb c\u00f3 uy t\u00edn, c\u00f3 bao g\u00f3i r\u00f5 r\u00e0ng v\u00e0 cung c\u1ea5p h\u01b0\u1edbng d\u1eabn an to\u00e0n \u0111i k\u00e8m. Tr\u00e1nh mua c\u00e1c lo\u1ea1i \u0111\u00e1 kh\u00f4ng r\u00f5 ngu\u1ed3n g\u1ed1c ho\u1eb7c kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ea3o qu\u1ea3n \u0111\u00fang c\u00e1ch v\u00ec ch\u00fang c\u00f3 th\u1ec3 \u0111\u00e3 th\u0103ng hoa \u0111\u00e1ng k\u1ec3, l\u00e0m gi\u1ea3m kh\u1ed1i l\u01b0\u1ee3ng v\u00e0 hi\u1ec7u qu\u1ea3 s\u1eed d\u1ee5ng.<\/p>\n<h2>8. Mua s\u1eafm c\u00e1c s\u1ea3n ph\u1ea9m h\u1ed7 tr\u1ee3 l\u00e0m m\u00e1t v\u00e0 b\u1ea3o qu\u1ea3n t\u1ea1i Tiki<\/h2>\n<p>\u0110\u1ec3 s\u1eed d\u1ee5ng \u0111\u00e1 kh\u00f4 hi\u1ec7u qu\u1ea3 v\u00e0 an to\u00e0n trong b\u1ea3o qu\u1ea3n th\u1ef1c ph\u1ea9m ho\u1eb7c l\u00e0m m\u00e1t, vi\u1ec7c trang b\u1ecb c\u00e1c thi\u1ebft b\u1ecb h\u1ed7 tr\u1ee3 ch\u1ea5t l\u01b0\u1ee3ng l\u00e0 v\u00f4 c\u00f9ng c\u1ea7n thi\u1ebft. Nh\u1eefng v\u1eadt d\u1ee5ng nh\u01b0 th\u00f9ng \u0111\u00e1 c\u00e1ch nhi\u1ec7t, t\u00fai gi\u1eef nhi\u1ec7t hay c\u00e1c lo\u1ea1i qu\u1ea1t \u0111i\u1ec1u h\u00f2a h\u1ed7 tr\u1ee3 \u0111\u00e1 kh\u00f4 s\u1ebd gi\u00fap b\u1ea1n t\u1ed1i \u01b0u h\u00f3a tr\u1ea3i nghi\u1ec7m s\u1eed d\u1ee5ng trong \u0111\u1eddi s\u1ed1ng h\u1eb1ng ng\u00e0y.<\/p>\n<p>Tiki.vn l\u00e0 n\u1ec1n t\u1ea3ng th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed uy t\u00edn h\u00e0ng \u0111\u1ea7u Vi\u1ec7t Nam, cung c\u1ea5p gi\u1ea3i ph\u00e1p mua s\u1eafm ch\u00ednh h\u00e3ng v\u00e0 ti\u1ec7n l\u1ee3i cho m\u1ecdi gia \u0111\u00ecnh. T\u1ea1i \u0111\u00e2y, b\u1ea1n c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng &#8220;\u0111i ch\u1ee3 online&#8221; v\u1edbi danh m\u1ee5c s\u1ea3n ph\u1ea9m thi\u1ebft y\u1ebfu \u0111a d\u1ea1ng, t\u1eeb c\u00e1c lo\u1ea1i th\u1ef1c ph\u1ea9m \u0111\u00f3ng h\u1ed9p, \u0111\u00f3ng g\u00f3i, \u0111\u1ed3 kh\u00f4, gia v\u1ecb \u0111\u1ebfn c\u00e1c lo\u1ea1i s\u1eefa, \u0111\u1ed3 u\u1ed1ng v\u00e0 \u0111\u1ed3 d\u00f9ng ch\u0103m s\u00f3c th\u00fa c\u01b0ng. <\/p>\n<p>\u0110\u1eb7c bi\u1ec7t, v\u1edbi ch\u00ednh s\u00e1ch giao h\u00e0ng si\u00eau t\u1ed1c 2 gi\u1edd c\u00f9ng ch\u01b0\u01a1ng tr\u00ecnh freeship th\u01b0\u1eddng xuy\u00ean, Tiki \u0111\u1ea3m b\u1ea3o h\u00e0ng h\u00f3a lu\u00f4n t\u01b0\u01a1i m\u1edbi v\u00e0 an to\u00e0n, gi\u00fap nh\u1eefng gia \u0111\u00ecnh b\u1eadn r\u1ed9n ti\u1ebft ki\u1ec7m t\u1ed1i \u0111a th\u1eddi gian m\u00e0 v\u1eabn ho\u00e0n to\u00e0n y\u00ean t\u00e2m v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m. Truy c\u1eadp B\u00e1ch H\u00f3a Online Tiki ngay h\u00f4m nay \u0111\u1ec3 t\u1eadn h\u01b0\u1edfng tr\u1ea3i nghi\u1ec7m mua s\u1eafm ch\u1ea5t l\u01b0\u1ee3ng v\u1edbi gi\u00e1 \u01b0u \u0111\u00e3i nh\u1ea5t.<\/p>\n<p>Hy v\u1ecdng qua b\u00e0i vi\u1ebft n\u00e0y, b\u1ea1n \u0111\u00e3 n\u1eafm r\u00f5 \u0111\u00e1 kh\u00f4 l\u00e0 g\u00ec c\u0169ng nh\u01b0 c\u00e1ch s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u n\u00e0y m\u1ed9t c\u00e1ch th\u00f4ng minh v\u00e0 an to\u00e0n. H\u00e3y lu\u00f4n tu\u00e2n th\u1ee7 c\u00e1c quy t\u1eafc b\u1ea3o h\u1ed9 \u0111\u1ec3 b\u1ea3o v\u1ec7 s\u1ee9c kh\u1ecfe cho b\u1ea3n th\u00e2n v\u00e0 gia \u0111\u00ecnh khi ti\u1ebfp x\u00fac v\u1edbi lo\u1ea1i kh\u00ed h\u00f3a r\u1eafn \u0111\u1eb7c bi\u1ec7t n\u00e0y.<\/p>\n<h2>C\u00e2u H\u1ecfi Th\u01b0\u1eddng G\u1eb7p<\/h2>\n<h3>\u0110\u00e1 kh\u00f4 l\u00e0 g\u00ec?<\/h3>\n<p>\u0110\u00e1 kh\u00f4 l\u00e0 d\u1ea1ng r\u1eafn c\u1ee7a Carbon dioxide (CO2), c\u00f3 nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t c\u1ef1c th\u1ea5p (-78,5 \u0111\u1ed9 C). N\u00f3 kh\u00f4ng tan ch\u1ea3y m\u00e0 th\u0103ng hoa tr\u1ef1c ti\u1ebfp th\u00e0nh kh\u00ed CO2, th\u01b0\u1eddng c\u00f3 m\u00e0u tr\u1eafng \u0111\u1ee5c v\u00e0 d\u00f9ng l\u00e0m ch\u1ea5t l\u00e0m l\u1ea1nh, b\u1ea3o qu\u1ea3n th\u1ef1c ph\u1ea9m.<\/p>\n<h3>\u0110\u00e1 kh\u00f4 c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 g\u00ec?<\/h3>\n<p>Ngo\u00e0i t\u00ean g\u1ecdi \u0111\u00e1 kh\u00f4, v\u1eadt li\u1ec7u n\u00e0y c\u00f2n \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi c\u00e1c t\u00ean g\u1ecdi nh\u01b0 b\u0103ng kh\u00f4, \u0111\u00e1 kh\u00f3i, \u0111\u00e1 kh\u00ed ho\u1eb7c Carbon dioxide r\u1eafn.<\/p>\n<h3>T\u1ea1i sao g\u1ecdi l\u00e0 \u0111\u00e1 kh\u00f4?<\/h3>\n<p>\u0110\u00e1 kh\u00f4 \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 &#8220;kh\u00f4&#8221; v\u00ec n\u00f3 kh\u00f4ng tr\u1ea3i qua giai \u0111o\u1ea1n h\u00f3a l\u1ecfng khi n\u00f3ng l\u00ean. Thay v\u00e0o \u0111\u00f3, n\u00f3 th\u0103ng hoa tr\u1ef1c ti\u1ebfp t\u1eeb th\u1ec3 r\u1eafn sang th\u1ec3 kh\u00ed, kh\u00f4ng \u0111\u1ec3 l\u1ea1i n\u01b0\u1edbc hay \u0111\u1ed9 \u1ea9m, gi\u1eef cho m\u00f4i tr\u01b0\u1eddng xung quanh kh\u00f4 r\u00e1o.<\/p>\n<h3>T\u1ea1i sao \u0111\u00e1 kh\u00f4 t\u1ea1o ra kh\u00f3i tr\u1eafng?<\/h3>\n<p>Khi \u0111\u00e1 kh\u00f4 ti\u1ebfp x\u00fac v\u1edbi kh\u00f4ng kh\u00ed ho\u1eb7c n\u01b0\u1edbc, s\u1ef1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 l\u1edbn khi\u1ebfn h\u01a1i \u1ea9m trong kh\u00f4ng kh\u00ed ng\u01b0ng t\u1ee5 l\u1ea1i th\u00e0nh nh\u1eefng h\u1ea1t s\u01b0\u01a1ng nh\u1ecf li ti, t\u1ea1o ra hi\u1ec7u \u1ee9ng &#8220;kh\u00f3i&#8221; tr\u1eafng \u0111\u1eb7c tr\u01b0ng, th\u01b0\u1eddng bay s\u00e1t m\u1eb7t \u0111\u1ea5t.<\/p>\n<h3>\u0110\u00e1 trong qu\u1ea1t \u0111i\u1ec1u h\u00f2a c\u00f3 ph\u1ea3i \u0111\u00e1 kh\u00f4 th\u1eadt kh\u00f4ng?<\/h3>\n<p>Kh\u00f4ng. \u0110\u00e1 d\u00f9ng cho qu\u1ea1t \u0111i\u1ec1u h\u00f2a ph\u1ed5 bi\u1ebfn l\u00e0 \u0111\u00e1 gel, ch\u1ee9a dung d\u1ecbch l\u00e0m l\u1ea1nh c\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng nhi\u1ec1u l\u1ea7n. \u0110\u00e1 kh\u00f4 th\u1eadt l\u00e0 CO2 r\u1eafn, ch\u1ec9 d\u00f9ng m\u1ed9t l\u1ea7n v\u00e0 c\u00f3 \u0111\u1eb7c t\u00ednh l\u00e0m l\u1ea1nh s\u00e2u h\u01a1n.<\/p>\n<h3>\u0110\u00e1 kh\u00f4 c\u00f3 \u0111\u01b0\u1ee3c mang l\u00ean m\u00e1y bay kh\u00f4ng?<\/h3>\n<p>C\u00f3, nh\u01b0ng v\u1edbi s\u1ed1 l\u01b0\u1ee3ng gi\u1edbi h\u1ea1n (th\u01b0\u1eddng t\u1ed1i \u0111a 2.5kg\/ng\u01b0\u1eddi) v\u00e0 ph\u1ea3i tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh c\u1ee7a H\u00e3ng h\u00e0ng kh\u00f4ng Qu\u1ed1c t\u1ebf (IATA), bao g\u1ed3m nh\u00e3n m\u00e1c v\u00e0 h\u1ed9p tho\u00e1t kh\u00ed.<\/p>\n<h3>\u0102n th\u1ef1c ph\u1ea9m ti\u1ebfp x\u00fac v\u1edbi \u0111\u00e1 kh\u00f4 c\u00f3 sao kh\u00f4ng?<\/h3>\n<p>An to\u00e0n n\u1ebfu \u0111\u00e1 kh\u00f4 ch\u1ec9 d\u00f9ng \u0111\u1ec3 l\u00e0m l\u1ea1nh b\u00ean ngo\u00e0i th\u1ef1c ph\u1ea9m. Tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng \u0111\u01b0\u1ee3c \u0103n ho\u1eb7c nu\u1ed1t \u0111\u00e1 kh\u00f4 v\u00ec n\u00f3 r\u1ea5t l\u1ea1nh v\u00e0 c\u00f3 th\u1ec3 g\u00e2y b\u1ecfng l\u1ea1nh nghi\u00eam tr\u1ecdng.<\/p>\n<h3>\u0110\u00e1 kh\u00f4 gi\u1eef l\u1ea1nh \u0111\u01b0\u1ee3c trong bao l\u00e2u?<\/h3>\n<p>Trong \u0111i\u1ec1u ki\u1ec7n l\u00fd t\u01b0\u1edfng v\u1edbi th\u00f9ng c\u00e1ch nhi\u1ec7t t\u1ed1t, \u0111\u00e1 kh\u00f4 c\u00f3 th\u1ec3 gi\u1eef l\u1ea1nh t\u1eeb 18-24 ti\u1ebfng. N\u00f3 th\u0103ng hoa r\u1ea5t nhanh v\u00e0 m\u1ea5t d\u1ea7n kh\u1ea3 n\u0103ng l\u00e0m l\u1ea1nh khi ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi kh\u00f4ng kh\u00ed.<\/p>\n<h3>Mua \u0111\u00e1 kh\u00f4 \u1edf \u0111\u00e2u uy t\u00edn?<\/h3>\n<p>B\u1ea1n c\u00f3 th\u1ec3 mua \u0111\u00e1 kh\u00f4 t\u1ea1i c\u00e1c c\u01a1 s\u1edf chuy\u00ean s\u1ea3n xu\u1ea5t kh\u00ed c\u00f4ng nghi\u1ec7p ho\u1eb7c c\u00e1c \u0111\u1ea1i l\u00fd ph\u00e2n ph\u1ed1i uy t\u00edn chuy\u00ean v\u1ec1 kh\u00ed CO2.<\/p>\n<h3>Ch\u1ea1m tay v\u00e0o \u0111\u00e1 kh\u00f4 c\u00f3 b\u1ecb sao kh\u00f4ng?<\/h3>\n<p>Tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng. Ch\u1ea1m tay tr\u1ea7n v\u00e0o \u0111\u00e1 kh\u00f4 c\u00f3 th\u1ec3 g\u00e2y b\u1ecfng l\u1ea1nh nghi\u00eam tr\u1ecdng, l\u00e0m t\u1ed5n th\u01b0\u01a1ng t\u1ebf b\u00e0o da v\u00e0 kh\u00f4, bong tr\u00f3c da ch\u1ec9 trong v\u00e0i gi\u00e2y. Lu\u00f4n d\u00f9ng g\u0103ng tay ho\u1eb7c k\u1eb9p g\u1eafp.<\/p>\n<h3>\u0110\u00e1 kh\u00f4 c\u00f3 l\u00e0m gi\u1ea3m oxy trong kh\u00f4ng kh\u00ed kh\u00f4ng?<\/h3>\n<p>C\u00f3. Khi \u0111\u00e1 kh\u00f4 th\u0103ng hoa th\u00e0nh kh\u00ed CO2, n\u00f3 c\u00f3 th\u1ec3 chi\u1ebfm ch\u1ed7 c\u1ee7a oxy trong kh\u00f4ng gian k\u00edn. Vi\u1ec7c s\u1eed d\u1ee5ng \u0111\u00e1 kh\u00f4 \u1edf n\u01a1i th\u00f4ng tho\u00e1ng r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 tr\u00e1nh nguy c\u01a1 ng\u1ea1t kh\u00ed.<\/p>\n<h3>C\u00f3 n\u00ean b\u1ecf \u0111\u00e1 kh\u00f4 v\u00e0o chai k\u00edn kh\u00f4ng?<\/h3>\n<p>Tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng. \u0110\u00e1 kh\u00f4 th\u0103ng hoa th\u00e0nh kh\u00ed CO2, t\u1ea1o \u00e1p su\u1ea5t l\u1edbn. B\u1ecf v\u00e0o chai k\u00edn c\u00f3 th\u1ec3 g\u00e2y n\u1ed5 do \u00e1p su\u1ea5t v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n ch\u1ecbu \u0111\u1ef1ng c\u1ee7a v\u1eadt ch\u1ee9a.<\/p>\n<h3>C\u00e1ch b\u1ea3o qu\u1ea3n \u0111\u00e1 kh\u00f4 an to\u00e0n?<\/h3>\n<p>N\u00ean b\u1ea3o qu\u1ea3n \u0111\u00e1 kh\u00f4 trong th\u00f9ng x\u1ed1p c\u00e1ch nhi\u1ec7t, c\u00f3 n\u1eafp \u0111\u1eady h\u1edf nh\u1eb9 v\u00e0 \u0111\u1eb7t \u1edf n\u01a1i th\u00f4ng tho\u00e1ng kh\u00ed \u0111\u1ec3 \u0111\u00e1 th\u0103ng hoa t\u1eeb t\u1eeb v\u00e0 tr\u00e1nh t\u00edch t\u1ee5 \u00e1p su\u1ea5t.<\/p>\n<h3>\u0110\u00e1 kh\u00f4 c\u00f3 d\u00f9ng \u0111\u1ec3 v\u1ec7 sinh m\u00e1y m\u00f3c \u0111\u01b0\u1ee3c kh\u00f4ng?<\/h3>\n<p>C\u00f3. C\u00f4ng ngh\u1ec7 b\u1eafn \u0111\u00e1 kh\u00f4 (dry ice blasting) s\u1eed d\u1ee5ng c\u00e1c h\u1ea1t \u0111\u00e1 kh\u00f4 \u0111\u1ec3 l\u00e0m s\u1ea1ch b\u1ee5i b\u1ea9n, d\u1ea7u m\u1ee1, s\u01a1n b\u00e1m tr\u00ean b\u1ec1 m\u1eb7t m\u00e1y m\u00f3c m\u00e0 kh\u00f4ng c\u1ea7n h\u00f3a ch\u1ea5t, r\u1ea5t hi\u1ec7u qu\u1ea3 v\u00e0 th\u00e2n thi\u1ec7n m\u00f4i tr\u01b0\u1eddng.<\/p>\n<h3>N\u00ean mua c\u00e1c s\u1ea3n ph\u1ea9m h\u1ed7 tr\u1ee3 l\u00e0m m\u00e1t v\u00e0 b\u1ea3o qu\u1ea3n \u1edf \u0111\u00e2u?<\/h3>\n<p>\u0110\u1ec3 s\u1eed d\u1ee5ng \u0111\u00e1 kh\u00f4 hi\u1ec7u qu\u1ea3 v\u00e0 an to\u00e0n trong b\u1ea3o qu\u1ea3n th\u1ef1c ph\u1ea9m ho\u1eb7c l\u00e0m m\u00e1t, vi\u1ec7c trang b\u1ecb c\u00e1c thi\u1ebft b\u1ecb h\u1ed7 tr\u1ee3 ch\u1ea5t l\u01b0\u1ee3ng l\u00e0 v\u00f4 c\u00f9ng c\u1ea7n thi\u1ebft. B\u1ea1n c\u00f3 th\u1ec3 t\u00ecm mua c\u00e1c s\u1ea3n ph\u1ea9m nh\u01b0 th\u00f9ng gi\u1eef nhi\u1ec7t, t\u00fai gi\u1eef l\u1ea1nh, qu\u1ea1t \u0111i\u1ec1u h\u00f2a t\u1ea1i Tiki.vn \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ea3n ph\u1ea9m ch\u00ednh h\u00e3ng v\u00e0 tr\u1ea3i nghi\u1ec7m mua s\u1eafm ti\u1ec7n l\u1ee3i.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0110\u00e1 kh\u00f4 l\u00e0 v\u1eadt li\u1ec7u quen thu\u1ed9c trong b\u1ea3o qu\u1ea3n th\u1ef1c ph\u1ea9m v\u00e0 t\u1ea1o hi\u1ec7u \u1ee9ng s\u00e2n kh\u1ea5u nh\u1edd kh\u1ea3 n\u0103ng l\u00e0m l\u1ea1nh s\u00e2u. Tuy nhi\u00ean, kh\u00f4ng ph\u1ea3i ai c\u0169ng hi\u1ec3u r\u00f5 b\u1ea3n ch\u1ea5t v\u00e0 c\u00e1ch t\u01b0\u01a1ng t\u00e1c an to\u00e0n v\u1edbi lo\u1ea1i kh\u00ed CO2 r\u1eafn n\u00e0y. B\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y s\u1ebd gi\u1ea3i \u0111\u00e1p chi ti\u1ebft [&hellip;]<\/p>\n","protected":false},"author":26,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1028],"tags":[],"class_list":{"0":"post-103777","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-vao-bep"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v19.7 (Yoast SEO v20.1) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u0110\u00e1 kh\u00f4 l\u00e0 g\u00ec? T\u00e1c d\u1ee5ng c\u1ee7a \u0111\u00e1 kh\u00f4 trong cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y | TIKI<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/tiki.vn\/blog\/da-kho-la-gi-2\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u0110\u00e1 kh\u00f4 l\u00e0 g\u00ec? T\u00e1c d\u1ee5ng c\u1ee7a \u0111\u00e1 kh\u00f4 trong cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y\" \/>\n<meta property=\"og:description\" content=\"\u0110\u00e1 kh\u00f4 l\u00e0 v\u1eadt li\u1ec7u quen thu\u1ed9c trong b\u1ea3o qu\u1ea3n th\u1ef1c ph\u1ea9m v\u00e0 t\u1ea1o hi\u1ec7u \u1ee9ng s\u00e2n kh\u1ea5u nh\u1edd kh\u1ea3 n\u0103ng l\u00e0m l\u1ea1nh s\u00e2u. Tuy nhi\u00ean, kh\u00f4ng ph\u1ea3i ai c\u0169ng hi\u1ec3u r\u00f5 b\u1ea3n ch\u1ea5t v\u00e0 c\u00e1ch t\u01b0\u01a1ng t\u00e1c an to\u00e0n v\u1edbi lo\u1ea1i kh\u00ed CO2 r\u1eafn n\u00e0y. B\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y s\u1ebd gi\u1ea3i \u0111\u00e1p chi ti\u1ebft [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/tiki.vn\/blog\/da-kho-la-gi-2\/\" \/>\n<meta property=\"og:site_name\" content=\"TIKI\" \/>\n<meta property=\"article:published_time\" content=\"2026-05-18T16:28:42+00:00\" \/>\n<meta name=\"author\" content=\"Nguyen Vy\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi\" \/>\n\t<meta name=\"twitter:data1\" content=\"Nguyen Vy\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data2\" content=\"32 ph\u00fat\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/tiki.vn\/blog\/da-kho-la-gi-2\/\",\"url\":\"https:\/\/tiki.vn\/blog\/da-kho-la-gi-2\/\",\"name\":\"\u0110\u00e1 kh\u00f4 l\u00e0 g\u00ec? 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T\u00e1c d\u1ee5ng c\u1ee7a \u0111\u00e1 kh\u00f4 trong cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/tiki.vn\/blog\/#website\",\"url\":\"https:\/\/tiki.vn\/blog\/\",\"name\":\"Tiki\",\"description\":\"T\u00ecm Ki\u1ebfm - Ti\u1ebft Ki\u1ec7m\",\"alternateName\":\"Tiki\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/tiki.vn\/blog\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"vi\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/tiki.vn\/blog\/#\/schema\/person\/55cee1bbf6c1e221b3096d98d5c18321\",\"name\":\"Nguyen Vy\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"vi\",\"@id\":\"https:\/\/tiki.vn\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/b9c75b605a00063af4c269117451f9c040fdcccd34e9baa570bab4057940711a?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/b9c75b605a00063af4c269117451f9c040fdcccd34e9baa570bab4057940711a?s=96&d=mm&r=g\",\"caption\":\"Nguyen Vy\"},\"url\":\"https:\/\/tiki.vn\/blog\/author\/vynt1811\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"\u0110\u00e1 kh\u00f4 l\u00e0 g\u00ec? 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