{"id":25,"date":"2026-04-09T04:50:01","date_gmt":"2026-04-09T04:50:01","guid":{"rendered":"https:\/\/chinhung.vietweb247.com\/?p=25"},"modified":"2026-04-09T04:50:01","modified_gmt":"2026-04-09T04:50:01","slug":"xu-ly-nuoc-thai-sinh-hoat","status":"publish","type":"post","link":"https:\/\/chinhung.vietweb247.com\/index.php\/2026\/04\/09\/xu-ly-nuoc-thai-sinh-hoat\/","title":{"rendered":"X\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i sinh ho\u1ea1t"},"content":{"rendered":"<p>H\u1ec7 th\u1ed1ng x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i sinh ho\u1ea1t l\u00e0 gi\u1ea3i ph\u00e1p b\u1ec1n v\u1eefng \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u00e1c th\u00e0nh ph\u1ea7n c\u00f3 h\u1ea1i trong n\u01b0\u1edbc th\u1ea3i tr\u01b0\u1edbc khi \u0111\u01b0\u1ee3c \u0111\u01b0a ra m\u00f4i tr\u01b0\u1eddng t\u1ef1 nhi\u00ean. Ng\u00e0y nay, ng\u00e0y c\u00e0ng c\u00f3 nhi\u1ec1u khu \u0111\u00f4 th\u1ecb, nh\u00e0 m\u00e1y, kh\u00e1ch s\u1ea1n, khu d\u00e2n c\u01b0 m\u1edbi,\u2026 c\u1ea7n l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng n\u00e0y.<\/p>\n<p>\u0110i\u1ec1u n\u00e0y cho th\u1ea5y, nhu c\u1ea7u v\u00e0 hi\u1ec3u bi\u1ebft x\u00e3 h\u1ed9i \u0111\u00e3 ng\u00e0y c\u00e0ng t\u0103ng l\u00ean. Con ng\u01b0\u1eddi kh\u00f4ng ch\u1ec9 t\u1eadp trung v\u00e0o khai th\u00e1c t\u00e0i nguy\u00ean m\u00e0 c\u0169ng \u0111\u00e3 chuy\u1ec3n h\u01b0\u1edbng t\u1edbi b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng.<\/p>\n<p><strong>1. Ngu\u1ed3n g\u1ed1c c\u1ee7a n\u01b0\u1edbc th\u1ea3i sinh ho\u1ea1t<\/strong><br \/>\nN\u01b0\u1edbc th\u1ea3i sinh ho\u1ea1t \u0111\u01b0\u1ee3c t\u1ea1o ra t\u1eeb c\u00e1c qu\u00e1 tr\u00ecnh sinh ho\u1ea1t c\u1ee7a con ng\u01b0\u1eddi. \u0110i\u1ec3n h\u00ecnh trong c\u00e1c ho\u1ea1t \u0111\u1ed9ng: \u0103n u\u1ed1ng, t\u1eafm r\u1eeda, v\u1ec7 sinh c\u00e1 nh\u00e2n,\u2026 Ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u1ea3i ra t\u1eeb c\u00e1c c\u0103n h\u1ed9, khu d\u00e2n c\u01b0, tr\u01b0\u1eddng h\u1ecdc, ch\u1ee3, b\u1ec7nh vi\u1ec7n, c\u00e1c c\u00f4ng tr\u00ecnh c\u00f4ng c\u1ed9ng,\u2026<\/p>\n<p>L\u01b0\u1ee3ng n\u01b0\u1edbc th\u1ea3i sinh ho\u1ea1t ph\u1ee5 thu\u1ed9c v\u00e0o d\u00e2n s\u1ed1, l\u01b0\u1ee3ng s\u1eed d\u1ee5ng trung b\u00ecnh tr\u00ean \u0111\u1ea7u ng\u01b0\u1eddi, \u0111\u1eb7c \u0111i\u1ec3m kinh doanh d\u1ecbch v\u1ee5 \u2013 n\u01a1i s\u1eed d\u1ee5ng n\u01b0\u1edbc. V\u00ed d\u1ee5, l\u01b0\u1ee3ng n\u01b0\u1edbc th\u1ea3i \u1edf m\u1ed9t khu chung c\u01b0 20 t\u1ea7ng ch\u1eafc ch\u1eafn s\u1ebd l\u1edbn h\u01a1n n\u01b0\u1edbc th\u1ea3i c\u1ee7a m\u1ed9t nh\u00e0 h\u00e0ng kinh doanh \u0111\u1ed3 u\u1ed1ng.<\/p>\n<p>Hi\u1ec7n nay, c\u00e1c d\u00f2ng n\u01b0\u1edbc th\u1ea3i \u0111\u1ec1u \u0111\u01b0\u1ee3c x\u1ea3 ra h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng, c\u1ed1ng tho\u00e1t n\u01b0\u1edbc chung, ch\u1ea3y ra k\u00eanh r\u1ea1ch, ao h\u1ed3. \u0110\u1ed1i v\u1edbi h\u1ed9 d\u00e2n c\u01b0 \u0111\u01a1n l\u1ebb s\u1ebd th\u1ea3i tr\u1ef1c ti\u1ebfp ra h\u1ec7 th\u1ed1ng chung. Tuy nhi\u00ean, \u0111\u1ed1i v\u1edbi c\u00e1c khu d\u00e2n c\u01b0, kh\u00e1ch s\u1ea1n, khu \u0111\u00f4 th\u1ecb,\u2026 v\u1edbi s\u1ed1 l\u01b0\u1ee3ng ng\u01b0\u1eddi s\u1eed d\u1ee5ng l\u1edbn thu\u1ed9c s\u1edf h\u1eefu c\u1ee7a m\u1ed9t \u0111\u01a1n v\u1ecb qu\u1ea3n l\u00fd. N\u01b0\u1edbc th\u1ea3i c\u1ea7n \u0111\u01b0\u1ee3c thu gom t\u1eadp trung tr\u01b0\u1edbc khi \u0111\u01b0a ra m\u00f4i tr\u01b0\u1eddng.<\/p>\n<p>\u0110\u1ec3 gi\u1ea3m thi\u1ec3u \u00f4 nhi\u1ec5m, b\u1ea3o v\u1ec7 s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi, c\u00e1c c\u01a1 quan Nh\u00e0 n\u01b0\u1edbc y\u00eau c\u1ea7u c\u00e1c c\u01a1 s\u1edf c\u1ea7n x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i sinh ho\u1ea1t. \u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng ti\u00eau ch\u00ed b\u1eaft bu\u1ed9c \u0111\u1ec3 c\u01a1 s\u1edf \u0111i v\u00e0o ho\u1ea1t \u0111\u1ed9ng.<\/p>\n<p><strong>2. \u0110\u1eb7c \u0111i\u1ec3m n\u01b0\u1edbc th\u1ea3i sinh ho\u1ea1t<\/strong><br \/>\nN\u01b0\u1edbc th\u1ea3i sinh ho\u1ea1t ch\u1ee9a 2 th\u00e0nh ph\u1ea7n ch\u00ednh:<\/p>\n<p>N\u01b0\u1edbc th\u1ea3i t\u1eeb ch\u1ea5t b\u00e0i ti\u1ebft c\u1ee7a con ng\u01b0\u1eddi hay c\u00f2n g\u1ecdi l\u00e0 n\u01b0\u1edbc th\u1ea3i b\u1ec3 ph\u1ed1t.<\/p>\n<p>N\u01b0\u1edbc th\u1ea3i t\u1eeb c\u00e1c ho\u1ea1t \u0111\u1ed9ng sinh ho\u1ea1t, \u0111\u1ebfn t\u1eeb nh\u00e0 b\u1ebfp, c\u00e1c ho\u1ea1t \u0111\u1ed9ng v\u1ec7 sinh nh\u00e0 c\u1eeda,\u2026<\/p>\n<p>T\u1eeb ngu\u1ed3n g\u1ed1c ph\u00e1t sinh ta s\u1ebd bi\u1ebft \u0111\u01b0\u1ee3c n\u01b0\u1edbc th\u1ea3i sinh ho\u1ea1t s\u1ebd c\u00f3 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh sau \u0111\u00e2y:<\/p>\n<p>\u2013 Ch\u1ee9a nhi\u1ec1u ch\u1ea5t h\u1eefu c\u01a1 ph\u00e2n hu\u1ef7 sinh h\u1ecdc, c\u00e1c ch\u1ea5t v\u00f4 c\u01a1, ch\u1ea5t t\u1ea9y r\u1eeda, d\u1ea7u m\u1ee1, vi sinh v\u1eadt,\u2026<\/p>\n<p>\u2013 Ch\u1ea5t h\u1eefu c\u01a1 l\u00e0 th\u00e0nh ph\u1ea7n l\u1edbn nh\u1ea5t v\u00e0 l\u00e0 th\u00e1ch th\u1ee9c trong x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i sinh ho\u1ea1t. N\u1ed3ng \u0111\u1ed9 ch\u1ea5t h\u1eefu c\u01a1 dao \u0111\u1ed9ng trong kho\u1ea3ng 150 \u2013 450mg\/l. Bao g\u1ed3m c\u00e1c h\u1ee3p ch\u1ea5t nh\u01b0 protein (chi\u1ebfm t\u1edbi 40-50%), hydro carbon (chi\u1ebfm 40 \u2013 50%). Trong \u0111\u00f3 c\u00f3 kho\u1ea3ng 20-40% c\u00e1c ch\u1ea5t h\u1eefu c\u01a1 kh\u00f3 b\u1ecb ph\u00e2n hu\u1ef7 sinh h\u1ecdc.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>3. T\u00e1c h\u1ea1i c\u1ee7a n\u01b0\u1edbc th\u1ea3i sinh ho\u1ea1t<\/strong><br \/>\nN\u01b0\u1edbc th\u1ea3i sinh ho\u1ea1t c\u00f3 th\u00e0nh ph\u1ea7n \u00f4 nhi\u1ec5m \u0111a d\u1ea1ng. N\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c x\u1eed l\u00fd s\u1ebd g\u00e2y ra nhi\u1ec1u h\u1eadu qu\u1ea3 x\u1ea5u cho s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi v\u00e0 m\u00f4i tr\u01b0\u1eddng xung quanh. \u0110\u1eb7c bi\u1ec7t, \u1edf c\u00e1c \u0111\u1ecba \u0111i\u1ec3m l\u1edbn, l\u01b0\u1ee3ng x\u1ea3 th\u1ea3i c\u00f3 th\u1ec3 \u0111\u1ebfn v\u00e0i tr\u0103m m3 tr\u00ean ng\u00e0y \u0111\u00eam. Khi \u0111\u00f3 ch\u00fang s\u1ebd g\u00e2y ra c\u00e1c v\u1ea5n \u0111\u1ec1 nghi\u00eam tr\u1ecdng nh\u01b0:<\/p>\n<p>\u2013 B\u1ed1c m\u00f9i h\u00f4i th\u1ed1i g\u00e2y c\u1ea3m gi\u00e1c kh\u00f3 ch\u1ecbu cho ng\u01b0\u1eddi d\u00e2n xung quanh.<\/p>\n<p>\u2013 T\u1ea1o m\u00e0u n\u01b0\u1edbc \u00e1m \u0111en g\u00e2y m\u1ea5t m\u1ef9 quan khu v\u1ef1c.<\/p>\n<p>\u2013 Ru\u1ed3i, mu\u1ed7i, c\u00f4n tr\u00f9ng sinh s\u00f4i, ph\u00e1t tri\u1ec3n g\u00e2y m\u1ea5t v\u1ec7 sinh m\u00f4i tr\u01b0\u1eddng, c\u0169ng nh\u01b0 c\u00f3 th\u1ec3 mang \u0111\u1ebfn nh\u1eefng b\u1ec7nh truy\u1ec1n nhi\u1ec5m cho con ng\u01b0\u1eddi. V\u1ea5n \u0111\u1ec1 n\u00e0y \u1ea3nh h\u01b0\u1edfng nghi\u00eam tr\u1ecdng t\u1ea1i nh\u1eefng n\u01a1i d\u00e2n c\u01b0 \u0111\u00f4ng \u0111\u00fac.<\/p>\n<p>\u2013 \u0110\u1eddi s\u1ed1ng ng\u01b0\u1eddi d\u00e2n \u0111i xu\u1ed1ng, kh\u00f4ng ai mu\u1ed1n x\u00e2y d\u1ef1ng, ph\u00e1t tri\u1ec3n kinh t\u1ebf t\u1ea1i n\u01a1i m\u00f4i tr\u01b0\u1eddng m\u1ea5t v\u1ec7 sinh.<\/p>\n<p><strong>4. T\u1ea7m quan tr\u1ecdng c\u1ee7a x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i sinh ho\u1ea1t<\/strong><br \/>\nV\u1edbi nh\u1eefng t\u00e1c h\u1ea1i c\u1ee7a n\u01b0\u1edbc th\u1ea3i sinh ho\u1ea1t g\u00e2y ra, ch\u1eafc ch\u1eafn vi\u1ec7c x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i l\u00e0 ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu trong c\u00e1c nh\u00e0 m\u00e1y, khu \u0111\u00f4 th\u1ecb, khu d\u00e2n c\u01b0, kh\u00e1ch s\u1ea1n, nh\u00e0 h\u00e0ng,\u2026 Ngo\u00e0i kh\u1ea3 n\u0103ng lo\u1ea1i b\u1ecf \u00f4 nhi\u1ec5m, \u0111\u00e2y c\u0169ng l\u00e0 y\u1ebfu t\u1ed1 \u0111\u1ec3 c\u01a1 s\u1edf \u0111\u01b0\u1ee3c ph\u00e9p ho\u1ea1t \u0111\u1ed9ng tr\u00ean m\u1eb7t ph\u00e1p l\u00fd.<\/p>\n<p>Hi\u1ec7n nay, c\u00e1c c\u01a1 s\u1edf d\u1ecbch v\u1ee5, doanh nghi\u1ec7p x\u1ea3 n\u01b0\u1edbc th\u1ea3i sinh ho\u1ea1t c\u1ea7n \u0111\u00e1p \u1ee9ng Quy chu\u1ea9n 14:2008\/BTNMT c\u1ee7a B\u1ed9 T\u00e0i nguy\u00ean v\u00e0 M\u00f4i tr\u01b0\u1eddng. N\u01b0\u1edbc th\u1ea3i \u0111\u1ea7u ra c\u1ea7n \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c c\u00e1c th\u00f4ng s\u1ed1 v\u1ec1 pH, BOD, COD, Amoni, Nitrat,\u2026<br \/>\nM\u1ed9t s\u1ed1 ch\u1ec9 ti\u00eau trong QCVN 14:2008\/BTNMT<\/p>\n<p><strong>5. H\u1ec7 th\u1ed1ng x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i sinh ho\u1ea1t lo\u1ea1i b\u1ecf nh\u1eefng ch\u1ec9 s\u1ed1 \u00f4 nhi\u1ec5m n\u00e0o?<\/strong><br \/>\nC\u00e1c th\u00f4ng s\u1ed1 \u00f4 nhi\u1ec5m ch\u00ednh l\u00e0 c\u01a1 s\u1edf \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 n\u01b0\u1edbc th\u1ea3i \u0111\u00e3 \u0111\u1ea1t y\u00eau c\u1ea7u ra m\u00f4i tr\u01b0\u1eddng hay ch\u01b0a. Ch\u00ednh v\u00ec v\u1eady, c\u1ea7n hi\u1ec3u r\u00f5 nh\u1eefng th\u00f4ng s\u1ed1 n\u00e0y \u0111\u1ec3 x\u00e2y d\u1ef1ng v\u00e0 v\u1eadn h\u00e0nh h\u1ec7 th\u1ed1ng t\u1ed1t h\u01a1n. Qua \u0111\u00f3 ch\u00fang ta s\u1ebd bi\u1ebft \u0111\u01b0\u1ee3c nh\u1eefng ch\u1ea5t \u0111\u1ed9c h\u1ea1i n\u00e0o s\u1ebd \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf khi s\u1eed d\u1ee5ng nh\u1eefng h\u1ec7 th\u1ed1ng x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i sinh ho\u1ea1t ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t.<\/p>\n<p>\u0110\u00e2y c\u0169ng l\u00e0 c\u00e1c th\u00f4ng s\u1ed1 c\u00f3 trong Quy chu\u1ea9n QCVN 14:2008\/BTNMT m\u00e0 c\u01a1 s\u1edf c\u1ea7n \u0111\u00e1p \u1ee9ng:<\/p>\n<p><strong>Nhu c\u1ea7u Oxy sinh h\u00f3a (BOD)<\/strong><br \/>\nNhu c\u1ea7u oxy sinh h\u00f3a (hay c\u00f2n g\u1ecdi l\u00e0 BOD). L\u00e0 l\u01b0\u1ee3ng oxy h\u00f2a tan c\u1ea7n thi\u1ebft cho c\u00e1c sinh v\u1eadt hi\u1ebfu kh\u00ed ph\u00e1 v\u1ee1 c\u00e1c ch\u1ea5t h\u1eefu c\u01a1 th\u00e0nh c\u00e1c ph\u00e2n t\u1eed nh\u1ecf h\u01a1n. N\u1ed3ng \u0111\u1ed9 BOD cao cho th\u1ea5y n\u1ed3ng \u0111\u1ed9 cao c\u00e1c ch\u1ea5t h\u1eefu c\u01a1 d\u1ec5 b\u1ecb ph\u00e2n h\u1ee7y sinh h\u1ecdc c\u00f3 trong n\u01b0\u1edbc th\u1ea3i.<\/p>\n<p>BOD c\u00e0ng cao c\u00f3 th\u1ec3 l\u00e0m c\u1ea1n ki\u1ec7t oxy c\u1ea7n thi\u1ebft cho c\u00e1c sinh v\u1eadt th\u1ee7y sinh s\u1ed1ng, d\u1eabn \u0111\u1ebfn t\u1ea3o n\u1edf hoa, ch\u1ebft c\u00e1. H\u1ec7 th\u1ed1ng x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i sinh ho\u1ea1t s\u1ebd l\u00e0m gi\u1ea3m n\u1ed3ng \u0111\u1ed9 BOD n\u00e0y \u0111\u1ebfn m\u1ee9c cho ph\u00e9p.<\/p>\n<p><strong>Nhu c\u1ea7u Oxy h\u00f3a h\u1ecdc (COD)<\/strong><br \/>\nCOD l\u00e0 ch\u1ec9 s\u1ed1 bi\u1ec3u th\u1ecb l\u01b0\u1ee3ng Oxy c\u1ea7n thi\u1ebft \u0111\u1ec3 ph\u00e2n h\u1ee7y c\u00e1c ch\u1ea5t h\u1eefu c\u01a1. L\u01b0\u1ee3ng BOD\/COD c\u00e0ng cao th\u00ec n\u01b0\u1edbc th\u1ea3i c\u00e0ng \u00f4 nhi\u1ec5m v\u00e0 kh\u00f3 x\u1eed l\u00fd. N\u01b0\u1edbc th\u1ea3i ch\u01b0a \u0111\u01b0\u1ee3c x\u1eed l\u00fd \u0111i t\u1edbi c\u00e1c ao h\u1ed3, k\u00eanh r\u1ea1ch s\u1ebd g\u00e2y t\u00ecnh tr\u1ea1ng thi\u1ebfu oxy \u0111\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i t\u00f4m, c\u00e1, thu\u1ef7 sinh,\u2026<\/p>\n<p>C\u00f9ng v\u1edbi \u0111\u00f3, n\u1ebfu \u00f4 nhi\u1ec5m qu\u00e1 l\u1edbn c\u00f3 th\u1ec3 d\u1eabn t\u1edbi t\u00ecnh tr\u1ea1ng ph\u00e2n hu\u1ef7 y\u1ebfm kh\u00ed. Qu\u00e1 tr\u00ecnh l\u00e0m ph\u00e1t sinh ra c\u00e1c s\u1ea3n ph\u1ea9m nh\u01b0 H2S, NH3, CH4,\u2026 l\u00e0m cho n\u01b0\u1edbc c\u00f3 m\u00f9i h\u00f4i th\u1ed1i v\u00e0 gi\u1ea3m l\u01b0\u1ee3ng pH c\u1ee7a m\u00f4i tr\u01b0\u1eddng.<\/p>\n<p><strong>Lo\u1ea1i b\u1ecf Nitrat v\u00e0 photphat<\/strong><br \/>\nN\u1ebfu l\u01b0\u1ee3ng l\u1edbn Nitrat ho\u1eb7c Photphat kh\u00f4ng \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf c\u00f3 th\u1ec3 l\u00e0m t\u0103ng BOD. \u0110\u00e2y ch\u00ednh l\u00e0 nguy\u00ean nh\u00e2n d\u1eabn \u0111\u1ebfn s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a t\u1ea3o v\u00e0 th\u1ef1c v\u1eadt ph\u00f9 du.<\/p>\n<p>\u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng ph\u00fa d\u01b0\u1ee1ng, g\u00e2y ch\u1ebft c\u00e1c sinh v\u1eadt. Ch\u00fang c\u00f3 th\u1ec3 x\u00e2m nh\u1eadp v\u00e0o d\u00f2ng n\u01b0\u1edbc th\u1ea3i b\u1eb1ng nhi\u1ec1u c\u00e1ch kh\u00e1c nhau. Trong \u0111\u00f3 c\u00f3 ch\u1ea5t th\u1ea3i c\u1ee7a con ng\u01b0\u1eddi, \u0111\u1ed9ng v\u1eadt, n\u01b0\u1edbc r\u1eeda th\u1ef1c ph\u1ea9m, ch\u1ea5t t\u1ea9y r\u1eeda v\u00e0 thu\u1ed1c tr\u1eeb s\u00e2u.<\/p>\n<p><strong>Ng\u0103n c\u1ea3n vi khu\u1ea9n, virus, lo\u1ea1i b\u1ecf c\u00e1c m\u1ea7m b\u1ec7nh<\/strong><br \/>\nT\u00e1c nh\u00e2n g\u00e2y b\u1ec7nh ch\u00ednh l\u00e0 vi khu\u1ea9n, virus, n\u1ea5m ho\u1eb7c b\u1ea5t k\u1ef3 vi sinh v\u1eadt n\u00e0o c\u00f3 th\u1ec3 c\u00f3 trong n\u01b0\u1edbc th\u1ea3i. C\u00e1c t\u00e1c nh\u00e2n n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn t\u1ea5t c\u1ea3 c\u00e1c v\u1ea5n \u0111\u1ec1 s\u1ee9c kh\u1ecfe kh\u00f4ng th\u1ec3 l\u01b0\u1eddng tr\u01b0\u1edbc.<\/p>\n<p>Nguy c\u01a1 l\u00e2y lan b\u1ec7nh nh\u01b0 d\u1ecbch t\u1ea3, ki\u1ebft l\u1ef5, nhi\u1ec5m khu\u1ea9n salmonella, vi\u00eam gan A, ng\u1ed9 \u0111\u1ed9c v\u00e0 nhi\u1ec5m giardia cho con ng\u01b0\u1eddi v\u00e0 \u0111\u1ed9ng v\u1eadt l\u00e0 r\u1ea5t l\u1edbn. Con ng\u01b0\u1eddi c\u00f3 th\u1ec3 nhi\u1ec5m m\u1ea7m b\u1ec7nh, b\u1eb1ng c\u00e1ch \u0103n nh\u1eefng th\u1ef1c ph\u1ea9m g\u1ea7n ngu\u1ed3n n\u01b0\u1edbc \u00f4 nhi\u1ec5m, u\u1ed1ng n\u01b0\u1edbc b\u1ecb ng\u1ea5m c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m t\u1eeb trong \u0111\u1ea5t. C\u00e1c h\u1ec7 th\u1ed1ng x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i t\u1ed1t s\u1ebd lo\u1ea1i tr\u1eeb c\u00e1c m\u1ed1i nguy h\u1ea1i n\u00f3i tr\u00ean.<\/p>\n<p>T<strong>\u1ed5ng ch\u1ea5t r\u1eafn l\u01a1 l\u1eedng<\/strong><br \/>\nT\u1ed5ng ch\u1ea5t r\u1eafn l\u01a1 l\u1eedng (TSS) trong n\u01b0\u1edbc th\u1ea3i bao g\u1ed3m v\u1eadt li\u1ec7u r\u1eafn h\u1eefu c\u01a1 v\u00e0 v\u00f4 c\u01a1 l\u01a1 l\u1eedng trong n\u01b0\u1edbc. TSS c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m n\u1ed3ng \u0111\u1ed9 oxy trong m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc. Ch\u00fang g\u00e2y ra m\u00f9i h\u00f4i trong n\u01b0\u1edbc th\u1ea3i v\u00e0 l\u00e0m t\u1eafc ngh\u1ebdn \u0111\u01b0\u1eddng \u1ed1ng v\u00e0 m\u00e1y m\u00f3c.<\/p>\n<p><strong>L\u1ecdc b\u1ecf c\u00e1c h\u00f3a ch\u1ea5t t\u1ed5ng h\u1ee3p<\/strong><br \/>\nKhi thu\u1ed1c tr\u1eeb s\u00e2u v\u00e0 c\u00e1c h\u00f3a ch\u1ea5t kh\u00e1c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u00e0 th\u1ea3i v\u00e0o m\u00f4i tr\u01b0\u1eddng, ch\u00fang c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn con ng\u01b0\u1eddi v\u00e0 c\u00e1c sinh v\u1eadt s\u1ed1ng kh\u00e1c. M\u1ed9t s\u1ed1 h\u00f3a ch\u1ea5t ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong n\u01b0\u1edbc th\u1ea3i bao g\u1ed3m diethylstilbestrol, Dioxin, PCB, DDT v\u00e0 c\u00e1c lo\u1ea1i thu\u1ed1c tr\u1eeb s\u00e2u\u2026<\/p>\n<p>Ngo\u00e0i ra, h\u1ec7 th\u1ed1ng x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i c\u00f2n c\u00f3 th\u1ec3 lo\u1ea1i b\u1ecf nhi\u1ec1u ch\u1ec9 s\u1ed1 \u00f4 nhi\u1ec5m kh\u00e1c nh\u01b0 nhi\u1ec7t \u0111\u1ed9, pH, d\u1ea7u m\u1ee1\u2026 N\u01b0\u1edbc sau khi x\u1eed l\u00fd kh\u00f4ng c\u00f2n b\u1ed1c m\u00f9i h\u00f4i th\u1ed1i, c\u00f3 d\u1ea1ng kh\u00e1 trong tr\u01b0\u1edbc khi th\u1ea3i ra m\u00f4i tr\u01b0\u1eddng.<\/p>\n<div class=\"blog-content\"><\/div>\n<nav class=\"navigation post-navigation\" role=\"navigation\" aria-label=\"B\u00e0i vi\u1ebft\">\n<div class=\"nav-links\"><\/div>\n<\/nav>\n","protected":false},"excerpt":{"rendered":"<p>H\u1ec7 th\u1ed1ng x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i sinh ho\u1ea1t l\u00e0 gi\u1ea3i ph\u00e1p b\u1ec1n v\u1eefng \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u00e1c th\u00e0nh ph\u1ea7n c\u00f3 h\u1ea1i trong n\u01b0\u1edbc th\u1ea3i tr\u01b0\u1edbc khi \u0111\u01b0\u1ee3c \u0111\u01b0a ra m\u00f4i tr\u01b0\u1eddng t\u1ef1 nhi\u00ean. Ng\u00e0y nay, ng\u00e0y c\u00e0ng c\u00f3 nhi\u1ec1u khu \u0111\u00f4 th\u1ecb, nh\u00e0 m\u00e1y, kh\u00e1ch s\u1ea1n, khu d\u00e2n c\u01b0 m\u1edbi,\u2026 c\u1ea7n l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng [&#8230;]\n","protected":false},"author":1,"featured_media":26,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-25","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-xu-ly-nuoc-thai"],"_links":{"self":[{"href":"https:\/\/chinhung.vietweb247.com\/index.php\/wp-json\/wp\/v2\/posts\/25","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/chinhung.vietweb247.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/chinhung.vietweb247.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/chinhung.vietweb247.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/chinhung.vietweb247.com\/index.php\/wp-json\/wp\/v2\/comments?post=25"}],"version-history":[{"count":1,"href":"https:\/\/chinhung.vietweb247.com\/index.php\/wp-json\/wp\/v2\/posts\/25\/revisions"}],"predecessor-version":[{"id":29,"href":"https:\/\/chinhung.vietweb247.com\/index.php\/wp-json\/wp\/v2\/posts\/25\/revisions\/29"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/chinhung.vietweb247.com\/index.php\/wp-json\/wp\/v2\/media\/26"}],"wp:attachment":[{"href":"https:\/\/chinhung.vietweb247.com\/index.php\/wp-json\/wp\/v2\/media?parent=25"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chinhung.vietweb247.com\/index.php\/wp-json\/wp\/v2\/categories?post=25"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chinhung.vietweb247.com\/index.php\/wp-json\/wp\/v2\/tags?post=25"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}