{"id":7088,"date":"2026-07-28T14:47:39","date_gmt":"2026-07-28T07:47:39","guid":{"rendered":"https:\/\/useful.vn\/?p=7088"},"modified":"2026-07-28T14:47:39","modified_gmt":"2026-07-28T07:47:39","slug":"sat-thu-trung-thoi-trong-khong-gian-kin-gay-cai-chet-nhanh-the-nao","status":"publish","type":"post","link":"https:\/\/useful.vn\/?p=7088","title":{"rendered":"S\u00e1t th\u1ee7 ‘tr\u1ee9ng th\u1ed1i’ trong kh\u00f4ng gian k\u00edn g\u00e2y c\u00e1i ch\u1ebft nhanh th\u1ebf n\u00e0o"},"content":{"rendered":"
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\n Kh\u00ed Hydro sulfua (H2S) t\u00edch t\u1ee5 trong c\u00e1c kh\u00f4ng gian h\u1ea1n ch\u1ebf nh\u01b0 h\u1ea7m biogas, h\u1ed1 ga, c\u1ed1ng ng\u1ea7m c\u00f3 kh\u1ea3 n\u0103ng g\u00e2y m\u1ea5t \u00fd th\u1ee9c t\u1ee9c th\u00ec v\u00e0 d\u1eabn \u0111\u1ebfn t\u1eed vong trong v\u00e0i gi\u00e2y n\u1ebfu ti\u1ebfp x\u00fac \u1edf n\u1ed3ng \u0111\u1ed9 cao. <\/strong><\/h2>\n

Nguy c\u01a1 n\u00e0y v\u1eeba \u0111\u01b0\u1ee3c c\u1ea3nh b\u00e1o sau v\u1ee5 tai n\u1ea1n ng\u1ea1t kh\u00ed t\u1ea1i trang tr\u1ea1i l\u1ee3n \u1edf Thanh H\u00f3a t\u1ed1i 18\/7 khi\u1ebfn 5 ng\u01b0\u1eddi t\u1eed vong. C\u00e1c chuy\u00ean gia y t\u1ebf v\u00e0 h\u00f3a h\u1ecdc x\u00e1c \u0111\u1ecbnh th\u1ee7 ph\u1ea1m ch\u00ednh l\u00e0 H2S, lo\u1ea1i kh\u00ed \u0111\u1eb7c tr\u01b0ng ph\u00e1t sinh t\u1eeb qu\u00e1 tr\u00ecnh ph\u00e2n h\u1ee7y ch\u1ea5t th\u1ea3i h\u1eefu c\u01a1.<\/p>\n

T\u00ean g\u1ecdi “tr\u1ee9ng th\u1ed1i” xu\u1ea5t ph\u00e1t t\u1eeb m\u00f9i \u0111\u1eb7c tr\u01b0ng c\u1ee7a kh\u00ed H2S, n\u1ea3y sinh do qu\u00e1 tr\u00ecnh ph\u00e2n h\u1ee7y c\u00e1c protein ch\u1ee9a l\u01b0u hu\u1ef3nh.<\/p>\n

Trong t\u1ef1 nhi\u00ean, l\u00f2ng \u0111\u1ecf tr\u1ee9ng g\u00e0 ch\u1ee9a m\u1ed9t l\u01b0\u1ee3ng l\u1edbn c\u00e1c axit amin c\u00f3 l\u01b0u hu\u1ef3nh. Khi tr\u1ee9ng b\u1ecb h\u1ecfng, vi khu\u1ea9n ph\u00e2n h\u1ee7y c\u00e1c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 n\u00e0y v\u00e0 gi\u1ea3i ph\u00f3ng ra kh\u00ed H2S. V\u00ec m\u0169i ng\u01b0\u1eddi c\u1ef1c k\u1ef3 nh\u1ea1y c\u1ea3m v\u1edbi lo\u1ea1i kh\u00ed n\u00e0y ngay c\u1ea3 \u1edf n\u1ed3ng \u0111\u1ed9 si\u00eau th\u1ea5p (kho\u1ea3ng 0,01 ppm), ch\u00fang ta s\u1ebd l\u1eadp t\u1ee9c nh\u1eadn di\u1ec7n \u0111\u01b0\u1ee3c m\u00f9i h\u00f4i n\u1ed3ng n\u1eb7c, kh\u00f3 ch\u1ecbu \u0111\u00f3.<\/p>\n

C\u01a1 ch\u1ebf t\u01b0\u01a1ng t\u1ef1 c\u0169ng di\u1ec5n ra trong c\u00e1c h\u1ea7m biogas, c\u1ed1ng r\u00e3nh hay b\u1ec3 ph\u1ed1t. T\u1ea1i \u0111\u00e2y, ch\u1ea5t th\u1ea3i h\u1eefu c\u01a1 v\u00e0 ph\u00e2n \u0111\u1ed9ng v\u1eadt b\u1ecb vi khu\u1ea9n ph\u00e2n h\u1ee7y trong m\u00f4i tr\u01b0\u1eddng thi\u1ebfu oxy (y\u1ebfm kh\u00ed), t\u1ea1o ra l\u01b0\u1ee3ng l\u1edbn H2S. Do \u0111\u00f3, m\u00f9i h\u01b0\u01a1ng “ch\u1ebft ch\u00f3c” n\u00e0y tr\u1edf th\u00e0nh d\u1ea5u hi\u1ec7u nh\u1eadn bi\u1ebft tr\u1ef1c gi\u00e1c nh\u1ea5t \u0111\u1ec3 c\u1ea3nh b\u00e1o con ng\u01b0\u1eddi v\u1ec1 s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a ch\u1ea5t \u0111\u1ed9c, d\u00f9 b\u1ea3n ch\u1ea5t kh\u00ed n\u00e0y kh\u00f4ng c\u00f3 m\u00e0u s\u1eafc.<\/p>\n

Ti\u1ebfn s\u0129 Khu\u1ea5t Quang S\u01a1n, gi\u1ea3ng vi\u00ean \u0110\u1ea1i h\u1ecdc Ph\u00f2ng ch\u00e1y Ch\u1eefa ch\u00e1y, \u0111\u00e1nh gi\u00e1 H2S l\u00e0 ch\u1ea5t \u0111\u1ed9c kh\u00f4ng m\u00e0u, d\u1ec5 ch\u00e1y n\u1ed5 v\u00e0 s\u1edf h\u1eefu \u0111\u1ed9c t\u00ednh v\u01b0\u1ee3t xa Carbon monoxide (CO). Khi x\u00e2m nh\u1eadp c\u01a1 th\u1ec3, kh\u00ed n\u00e0y g\u00e2y vi\u00eam k\u1ebft m\u1ea1c t\u1ea1i ch\u1ed7, sau \u0111\u00f3 t\u1ea5n c\u00f4ng tr\u1ef1c ti\u1ebfp h\u1ec7 th\u1ea7n kinh trung \u01b0\u01a1ng l\u00e0m t\u00ea li\u1ec7t trung t\u00e2m h\u00f4 h\u1ea5p. D\u1ea5u hi\u1ec7u nh\u1eadn bi\u1ebft \u0111\u1eb7c tr\u01b0ng t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng l\u00e0 c\u00e1c v\u1eadt d\u1ee5ng kim lo\u1ea1i nh\u01b0 \u0111\u1ed3ng, b\u1ea1c tr\u00ean ng\u01b0\u1eddi n\u1ea1n nh\u00e2n th\u01b0\u1eddng x\u1ec9n m\u00e0u ho\u1eb7c chuy\u1ec3n \u0111en do ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc.<\/p>\n

\u0110\u1eb7c t\u00ednh nguy hi\u1ec3m nh\u1ea5t c\u1ee7a H2S n\u1eb1m \u1edf xu h\u01b0\u1edbng t\u00edch t\u1ee5 t\u1ea1i c\u00e1c v\u00f9ng tr\u0169ng, s\u00e2u v\u00e0 k\u00edn do tr\u1ecdng l\u01b0\u1ee3ng n\u1eb7ng h\u01a1n kh\u00f4ng kh\u00ed. B\u00e1c s\u0129 Nguy\u1ec5n Huy Ho\u00e0ng, H\u1ed9i Th\u1ec3 thao d\u01b0\u1edbi n\u01b0\u1edbc v\u00e0 Oxy cao \u00e1p Vi\u1ec7t Nam, ph\u00e2n t\u00edch r\u1eb1ng trong khi ng\u01b0\u1eddi \u0111\u1ee9ng tr\u00ean mi\u1ec7ng h\u1ea7m v\u1eabn h\u00edt th\u1edf b\u00ecnh th\u01b0\u1eddng, th\u00ec ng\u01b0\u1eddi b\u01b0\u1edbc xu\u1ed1ng s\u00e2u s\u1ebd l\u1eadp t\u1ee9c \u0111\u1ed1i m\u1eb7t v\u1edbi l\u1edbp kh\u00ed \u0111\u1ed9c \u0111\u1eadm \u0111\u1eb7c.<\/p>\n

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\"Tr\u1ea1i<\/span><\/div>\n
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Tr\u1ea1i l\u1ee3n c\u1ee7a C\u00f4ng ty Dabaco n\u1eb1m trong thung l\u0169ng n\u00fai \u1edf x\u00e3 Th\u1ea1ch Qu\u1ea3ng, n\u01a1i x\u1ea3y ra v\u1ee5 tai n\u1ea1n. \u1ea2nh:L\u00ea Ho\u00e0ng<\/p>\n

H2S c\u00f2n g\u00e2y ra “\u1ea3o gi\u00e1c an to\u00e0n” c\u1ef1c k\u1ef3 nguy hi\u1ec3m. \u1ede n\u1ed3ng \u0111\u1ed9 th\u1ea5p 0,01 ppm, con ng\u01b0\u1eddi d\u1ec5 d\u00e0ng nh\u1eadn ra m\u00f9i tr\u1ee9ng th\u1ed1i n\u1ed3ng n\u1eb7c. Tuy nhi\u00ean, khi n\u1ed3ng \u0111\u1ed9 \u0111\u1ea1t m\u1ee9c 100 ppm, kh\u00ed n\u00e0y l\u00e0m t\u00ea li\u1ec7t d\u00e2y th\u1ea7n kinh kh\u1ee9u gi\u00e1c. N\u1ea1n nh\u00e2n \u0111\u1ed9t ng\u1ed9t kh\u00f4ng c\u00f2n ng\u1eedi th\u1ea5y m\u00f9i kh\u00f3 ch\u1ecbu n\u00ean l\u1ea7m t\u01b0\u1edfng nguy hi\u1ec3m \u0111\u00e3 qua v\u00e0 ti\u1ebfp t\u1ee5c \u0111i s\u00e2u v\u00e0o v\u00f9ng \u0111\u1ed9c.<\/p>\n

Theo ti\u00eau chu\u1ea9n an to\u00e0n qu\u1ed1c t\u1ebf, n\u1ed3ng \u0111\u1ed9 H2S t\u1eeb 400 \u0111\u1ebfn 700 ppm c\u00f3 th\u1ec3 t\u01b0\u1edbc \u0111i m\u1ea1ng s\u1ed1ng con ng\u01b0\u1eddi ch\u1ec9 trong v\u00f2ng 30 ph\u00fat. N\u1ebfu n\u1ed3ng \u0111\u1ed9 v\u01b0\u1ee3t ng\u01b0\u1ee1ng 800 ppm, n\u1ea1n nh\u00e2n s\u1ebd m\u1ea5t \u00fd th\u1ee9c v\u00e0 t\u1eed vong ngay sau v\u00e0i h\u01a1i th\u1edf. C\u1ea3m gi\u00e1c n\u00e0y \u0111\u01b0\u1ee3c v\u00ed nh\u01b0 b\u1ecb m\u1ed9t chi\u1ebfc b\u00faa t\u1ea1 gi\u00e1ng m\u1ea1nh v\u00e0o \u0111\u1ea7u, khi\u1ebfn n\u1ea1n nh\u00e2n ng\u00e3 g\u1ee5c t\u1ea1i ch\u1ed7 m\u00e0 kh\u00f4ng k\u1ecbp th\u1ef1c hi\u1ec7n b\u1ea5t k\u1ef3 ph\u1ea3n \u1ee9ng t\u1ef1 v\u1ec7 hay t\u00ecm \u0111\u01b0\u1eddng tho\u00e1t th\u00e2n. Ngo\u00e0i ra, s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a c\u00e1c lo\u1ea1i kh\u00ed \u0111\u1ed9c kh\u00e1c nh\u01b0 Ammonia, Phosphine c\u00f9ng \u0111i\u1ec1u ki\u1ec7n thi\u1ebfu oxy trong kh\u00f4ng gian h\u1eb9p c\u00e0ng \u0111\u1ea9y nhanh ti\u1ebfn tr\u00ecnh t\u1eed vong.<\/p>\n

\u0110\u1ec3 ph\u00f2ng tr\u00e1nh th\u1ea3m k\u1ecbch, c\u00e1c chuy\u00ean gia khuy\u1ebfn c\u00e1o ng\u01b0\u1eddi d\u00e2n tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng xu\u1ed1ng c\u1ee9u ng\u01b0\u1eddi theo qu\u00e1n t\u00ednh n\u1ebfu thi\u1ebfu thi\u1ebft b\u1ecb b\u1ea3o h\u1ed9 chuy\u00ean d\u1ee5ng. Khi ph\u00e1t hi\u1ec7n s\u1ef1 c\u1ed1, vi\u1ec7c \u0111\u1ea7u ti\u00ean c\u1ea7n l\u00e0m l\u00e0 m\u1edf th\u00f4ng tho\u00e1ng khu v\u1ef1c, s\u1eed d\u1ee5ng qu\u1ea1t th\u1ed5i c\u00f4ng su\u1ea5t l\u1edbn \u0111\u1ec3 \u0111\u1ea9y kh\u00ed \u0111\u1ed9c ra ngo\u00e0i v\u00e0 n\u1ea1p kh\u00ed s\u1ea1ch v\u00e0o trong.<\/p>\n

Ng\u01b0\u1eddi xu\u1ed1ng h\u1ea7m b\u1eaft bu\u1ed9c ph\u1ea3i trang b\u1ecb m\u1eb7t n\u1ea1 ch\u1ed1ng \u0111\u1ed9c k\u1ebft h\u1ee3p b\u00ecnh d\u01b0\u1ee1ng kh\u00ed, \u0111\u1ed3ng th\u1eddi th\u1eaft d\u00e2y b\u1ea3o hi\u1ec3m li\u00ean k\u1ebft v\u1edbi \u0111\u1ed9i ng\u0169 h\u1ed7 tr\u1ee3 b\u00ean tr\u00ean.<\/p>\n

C\u00e1c trang tr\u1ea1i ch\u0103n nu\u00f4i c\u1ea7n ch\u1ee7 \u0111\u1ed9ng t\u1eadp hu\u1ea5n an to\u00e0n lao \u0111\u1ed9ng, trang b\u1ecb \u0111\u1ea7y \u0111\u1ee7 b\u1ea3o h\u1ed9 v\u00e0 thi\u1ebft l\u1eadp quy tr\u00ecnh ki\u1ec3m tra nghi\u00eam ng\u1eb7t \u0111\u1ed1i v\u1edbi m\u1ecdi ho\u1ea1t \u0111\u1ed9ng trong kh\u00f4ng gian h\u1ea1n ch\u1ebf \u0111\u1ec3 b\u1ea3o v\u1ec7 t\u00ednh m\u1ea1ng c\u00f4ng nh\u00e2n.<\/p>\n

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\"Lo\u1ea1i<\/div>\n
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\n Lo\u1ea1i kh\u00ed khi\u1ebfn 5 ng\u01b0\u1eddi t\u1eed vong \u1edf trang tr\u1ea1i l\u1ee3n nguy hi\u1ec3m \u0111\u1ebfn m\u1ee9c n\u00e0o?\n <\/div>\n
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Ch\u1ec9 trong \u00edt ph\u00fat, m\u1ed9t v\u1ee5 tai n\u1ea1n lao \u0111\u1ed9ng t\u1ea1i trang tr\u1ea1i ch\u0103n nu\u00f4i l\u1ee3n \u1edf Thanh H\u00f3a \u0111\u00e3 c\u01b0\u1edbp \u0111i sinh m\u1ea1ng c\u1ee7a 5 ng\u01b0\u1eddi v\u00e0 khi\u1ebfn 8 ng\u01b0\u1eddi kh\u00e1c ph\u1ea3i nh\u1eadp…<\/p>\n<\/div>\n

B\u1ea5m xem >>\n <\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/article>\n
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https:\/\/www.24h.com.vn\/suc-khoe\/sat-thu-trung-thoi-trong-khong-gian-kin-gay-cai-chet-nhanh-the-nao-c62a1780043.html<\/p>\n

\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"

Kh\u00ed Hydro sulfua (H2S) t\u00edch t\u1ee5 trong c\u00e1c kh\u00f4ng gian h\u1ea1n ch\u1ebf nh\u01b0 h\u1ea7m biogas, h\u1ed1 ga, c\u1ed1ng ng\u1ea7m c\u00f3 kh\u1ea3 n\u0103ng g\u00e2y m\u1ea5t \u00fd th\u1ee9c t\u1ee9c th\u00ec v\u00e0 d\u1eabn \u0111\u1ebfn t\u1eed vong trong v\u00e0i gi\u00e2y n\u1ebfu ti\u1ebfp x\u00fac \u1edf n\u1ed3ng \u0111\u1ed9 cao. Nguy c\u01a1 n\u00e0y v\u1eeba \u0111\u01b0\u1ee3c c\u1ea3nh b\u00e1o sau v\u1ee5 tai n\u1ea1n ng\u1ea1t<\/p>\n","protected":false},"author":1,"featured_media":7089,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[],"class_list":["post-7088","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-suc-khoe"],"_links":{"self":[{"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/posts\/7088","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7088"}],"version-history":[{"count":0,"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/posts\/7088\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/media\/7089"}],"wp:attachment":[{"href":"https:\/\/useful.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7088"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7088"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7088"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}