{"id":272,"date":"2023-12-14T09:18:22","date_gmt":"2023-12-14T02:18:22","guid":{"rendered":"https:\/\/biowatertlp.com\/?p=272"},"modified":"2023-12-17T15:22:17","modified_gmt":"2023-12-17T08:22:17","slug":"hieu-khi-ky-khi-va-cac-loai-phan-huy","status":"publish","type":"post","link":"https:\/\/biowatertlp.com\/?p=272","title":{"rendered":"Hi\u1ebfu kh\u00ed, k\u1ef5 kh\u00ed v\u00e0 c\u00e1c lo\u1ea1i ph\u00e2n h\u1ee7y"},"content":{"rendered":"\n

Gi\u1edbi thi\u1ec7u<\/strong><\/p>\n\n\n\n

Vi sinh v\u1eadt c\u0169ng gi\u1ed1ng nh\u01b0 t\u1ea5t c\u1ea3 c\u00e1c sinh v\u1eadt s\u1ed1ng, c\u1ea7n c\u00f3 th\u1ee9c \u0103n \u0111\u1ec3 t\u0103ng tr\u01b0\u1edfng. X\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i sinh h\u1ecdc bao g\u1ed3m t\u1eebng b\u01b0\u1edbc m\u1ed9t, li\u00ean t\u1ee5c, t\u1ea5n c\u00f4ng m\u1ed9t c\u00e1ch tr\u00ecnh t\u1ef1 tr\u00ean c\u00e1c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 c\u00f3 trong n\u01b0\u1edbc th\u1ea3i v\u00e0 tr\u00ean th\u1ee9c \u0103n m\u00e0 vi khu\u1ea9n h\u1ea5p th\u1ee5.<\/p>\n\n\n\n

Ph\u00e2n h\u1ee7y hi\u1ebfu kh\u00ed<\/strong><\/p>\n\n\n\n

Hi\u1ebfu kh\u00ed l\u00e0 qu\u00e1 tr\u00ecnh thanh l\u1ecdc sinh h\u1ecdc t\u1ef1 nhi\u00ean trong \u0111\u00f3 vi khu\u1ea9n ph\u00e1t tri\u1ec3n m\u1ea1nh trong m\u00f4i tr\u01b0\u1eddng gi\u00e0u oxy v\u00e0 ph\u00e2n h\u1ee7y c\u00e1c ch\u1ea5t th\u1ea3i.<\/p>\n\n\n\n

Trong su\u1ed1t qu\u00e1 tr\u00ecnh oxy h\u00f3a, c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m \u0111\u01b0\u1ee3c chia th\u00e0nh carbon dioxide (CO2), n\u01b0\u1edbc (H2O), nitrat, sunfat v\u00e0 sinh kh\u1ed1i (vi sinh v\u1eadt). B\u1eb1ng c\u00e1ch cung c\u1ea5p oxy v\u1edbi thi\u1ebft b\u1ecb s\u1ee5c kh\u00ed, qu\u00e1 tr\u00ecnh n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u0103ng t\u1ed1c \u0111\u00e1ng k\u1ec3. Trong t\u1ea5t c\u1ea3 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd sinh h\u1ecdc, hi\u1ebfu kh\u00ed l\u00e0 qu\u00e1 tr\u00ecnh ph\u1ed5 bi\u1ebfn nh\u1ea5t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u00ean to\u00e0n th\u1ebf gi\u1edbi.<\/p>\n\n\n\n

Nhu c\u1ea7u sinh h\u1ecdc v\u00e0 oxy h\u00f3a<\/strong><\/p>\n\n\n\n

Vi khu\u1ea9n hi\u1ebfu kh\u00ed c\u1ea7n oxy \u0111\u1ec3 ph\u00e2n h\u1ee7y c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m h\u00f2a tan. M\u1ed9t l\u01b0\u1ee3ng l\u1edbn c\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m \u0111\u00f2i h\u1ecfi m\u1ed9t l\u01b0\u1ee3ng l\u1edbn vi khu\u1ea9n; do \u0111\u00f3 nhu c\u1ea7u v\u1ec1 oxy s\u1ebd cao.<\/p>\n\n\n\n

Nhu c\u1ea7u oxy sinh h\u1ecdc (BOD) l\u00e0 m\u1ed9t th\u01b0\u1edbc \u0111o v\u1ec1 s\u1ed1 l\u01b0\u1ee3ng c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m h\u1eefu c\u01a1 h\u00f2a tan c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf trong qu\u00e1 tr\u00ecnh oxy h\u00f3a sinh h\u1ecdc c\u1ee7a vi khu\u1ea9n. N\u00f3 \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n b\u1eb1ng mg\/l.<\/p>\n\n\n\n

Nhu c\u1ea7u oxy h\u00f3a h\u1ecdc (COD) \u0111o l\u01b0\u1eddng s\u1ed1 l\u01b0\u1ee3ng c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m h\u1eefu c\u01a1 h\u00f2a tan h\u01a1n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf trong qu\u00e1 tr\u00ecnh oxy h\u00f3a h\u00f3a h\u1ecdc, b\u1eb1ng c\u00e1ch th\u00eam axit m\u1ea1nh. N\u00f3 \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n b\u1eb1ng mg\/l.<\/p>\n\n\n\n

C\u00e1c BOD\/COD cho d\u1ea5u hi\u1ec7u th\u1ec3 h\u1ec7n c\u00e1c ph\u1ea7n c\u1ee7a c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m trong n\u01b0\u1edbc th\u1ea3i sinh h\u1ecdc.<\/p>\n\n\n\n

\u01afu \u0111i\u1ec3m c\u1ee7a Hi\u1ebfu kh\u00ed<\/strong><\/p>\n\n\n\n

Vi khu\u1ea9n hi\u1ebfu kh\u00ed l\u00e0 r\u1ea5t hi\u1ec7u qu\u1ea3 trong vi\u1ec7c ph\u00e1 v\u1ee1 c\u00e1c ph\u1ebf ph\u1ea9m. K\u1ebft qu\u1ea3 c\u1ee7a vi\u1ec7c n\u00e0y cho th\u1ea5y x\u1eed l\u00fd hi\u1ebfu kh\u00ed th\u01b0\u1eddng mang l\u1ea1i ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc th\u1ea3i t\u1ed1t h\u01a1n so v\u1edbi qu\u00e1 tr\u00ecnh k\u1ef5 kh\u00ed. Ph\u00e2n hu\u1ef7 hi\u1ebfu kh\u00ed c\u0169ng ph\u00e1t h\u00e0nh m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng \u0111\u00e1ng k\u1ec3 n\u0103ng l\u01b0\u1ee3ng. M\u1ed9t ph\u1ea7n n\u0103ng lu\u1ecdng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng b\u1edfi c\u00e1c vi sinh v\u1eadt \u0111\u1ec3 t\u1ed5ng h\u1ee3p v\u00e0 ph\u00e1t tri\u1ec3n c\u1ee7a vi sinh v\u1eadt m\u1edbi.<\/p>\n\n\n

\n
\"gia<\/figure><\/div>\n\n\n

Qu\u00e1 tr\u00ecnh sinh h\u1ecdc, trong \u0111\u00f3, c\u00e1c sinh v\u1eadt s\u1eed d\u1ee5ng ch\u1ea5t h\u1eefu c\u01a1 c\u00f3 s\u1eb5n \u0111\u1ec3 h\u1ed7 tr\u1ee3 ho\u1ea1t \u0111\u1ed9ng sinh h\u1ecdc. Qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng c\u00e1c ch\u1ea5t h\u1eefu c\u01a1, ch\u1ea5t dinh d\u01b0\u1ee1ng, oxy h\u00f2a tan v\u00e0 s\u1ea3n xu\u1ea5t c\u00e1c ch\u1ea5t r\u1eafn \u1ed5n \u0111\u1ecbnh, carbon dioxide, v\u00e0 c\u00e1c sinh v\u1eadt kh\u00e1c. C\u00e1c vi sinh v\u1eadt ch\u1ec9 c\u00f3 th\u1ec3 t\u1ed3n t\u1ea1i trong \u0111i\u1ec1u ki\u1ec7n hi\u1ebfu kh\u00ed \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 sinh v\u1eadt hi\u1ebfu kh\u00ed. \u0110\u01b0\u1eddng c\u1ed1ng n\u01b0\u1edbc th\u1ea3i kh\u00f4ng c\u00f3 oxy s\u1ebd tr\u1edf n\u00ean thi\u1ebfu \u00f4xy n\u1ebfu \u0111\u1ec3 cho m\u1ed9t v\u00e0i gi\u1edd, v\u00e0 tr\u1edf th\u00e0nh k\u1ef5 kh\u00ed n\u1ebfu \u0111\u1ec3 h\u01a1n 1.5 ng\u00e0y. Sinh v\u1eadt thi\u1ebfu oxy ho\u1ea1t \u0111\u1ed9ng t\u1ed1t v\u1edbi c\u00e1c sinh v\u1eadt hi\u1ebfu kh\u00ed v\u00e0 k\u1ef5 kh\u00ed. <\/p>\n\n\n

\n
\"gia<\/figure><\/div>\n\n\n

Ph\u00e2n h\u1ee7y thi\u1ebfu kh\u00ed<\/strong><\/p>\n\n\n\n

M\u1ed9t qu\u00e1 tr\u00ecnh sinh h\u1ecdc trong \u0111\u00f3 m\u1ed9t nh\u00f3m c\u00e1c vi sinh v\u1eadt s\u1eed d\u1ee5ng k\u1ebft h\u1ee3p oxy h\u00f3a nh\u01b0 \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong nitrit v\u00e0 nitrat. Nh\u1eefng sinh v\u1eadt ti\u00eau th\u1ee5 ch\u1ea5t h\u1eefu c\u01a1 \u0111\u1ec3 h\u1ed7 tr\u1ee3 ch\u1ee9c n\u0103ng s\u1ed1ng. Ch\u00fang s\u1eed d\u1ee5ng c\u00e1c ch\u1ea5t h\u1eefu c\u01a1, k\u1ebft h\u1ee3p oxy t\u1eeb nitrat, v\u00e0 ch\u1ea5t dinh d\u01b0\u1ee1ng \u0111\u1ec3 s\u1ea3n sinh kh\u00ed nit\u01a1, carbon dioxide, ch\u1ea5t r\u1eafn \u1ed5n \u0111\u1ecbnh v\u00e0 s\u1ea3n sinh ra nhi\u1ec1u sinh v\u1eadt h\u01a1n.<\/p>\n\n\n

\n
\"gia<\/figure><\/div>\n\n\n

Ph\u00e2n h\u1ee7y k\u1ef5 kh\u00ed<\/strong><\/p>\n\n\n\n

K\u1ef5 kh\u00ed l\u00e0 m\u1ed9t ph\u1ea3n \u1ee9ng sinh h\u00f3a ph\u1ee9c t\u1ea1p \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u1edf m\u1ed9t s\u1ed1 b\u01b0\u1edbc c\u1ee7a m\u1ed9t s\u1ed1 lo\u1ea1i vi sinh v\u1eadt \u0111\u00f2i h\u1ecfi \u00edt ho\u1eb7c kh\u00f4ng c\u00f3 oxy \u0111\u1ec3 s\u1ed1ng. Trong qu\u00e1 tr\u00ecnh n\u00e0y, m\u1ed9t lo\u1ea1i kh\u00ed ch\u1ee7 y\u1ebfu g\u1ed3m kh\u00ed methane v\u00e0 carbon dioxide, c\u0169ng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 kh\u00ed sinh h\u1ecdc, \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t. L\u01b0\u1ee3ng kh\u00ed s\u1ea3n sinh ra kh\u00e1c nhau t\u00f9y v\u00e0o s\u1ed1 l\u01b0\u1ee3ng ch\u1ea5t th\u1ea3i h\u1eefu c\u01a1 l\u00e0m th\u1ee9c \u0103n v\u00e0 nhi\u1ec7t \u0111\u1ed9 \u1ea3nh h\u01b0\u1edfng t\u1ef7 l\u1ec7 ph\u00e2n h\u1ee7y v\u00e0 s\u1ea3n sinh kh\u00ed \u0111\u1ed1t (gas).<\/p>\n\n\n\n

Ph\u00e2n h\u1ee7y k\u1ef5 kh\u00ed x\u1ea3y ra trong b\u1ed1n b\u01b0\u1edbc:<\/strong><\/p>\n\n\n\n

\u2022 Th\u1ee7y ph\u00e2n: ch\u1ea5t h\u1eefu c\u01a1 ph\u1ee9c t\u1ea1p b\u1ecb ph\u00e2n h\u1ee7y th\u00e0nh c\u00e1c ph\u00e2n t\u1eed h\u1eefu c\u01a1 h\u00f2a tan \u0111\u01a1n gi\u1ea3n s\u1eed d\u1ee5ng n\u01b0\u1edbc \u0111\u1ec3 ph\u00e2n chia c\u00e1c li\u00ean k\u1ebft h\u00f3a h\u1ecdc gi\u1eefa c\u00e1c ch\u1ea5t.<\/p>\n\n\n\n

\u2022 L\u00ean men ho\u1eb7c Acidogenesis: S\u1ef1 ph\u00e2n h\u1ee7y h\u00f3a h\u1ecdc c\u1ee7a tinh b\u1ed9t b\u1eb1ng enzyme, vi khu\u1ea9n, n\u1ea5m men, m\u1ed1c trong s\u1ef1 v\u1eafng m\u1eb7t c\u1ee7a oxy.<\/p>\n\n\n\n

\u2022 Acetogenesis: C\u00e1c s\u1ea3n ph\u1ea9m l\u00ean men \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i th\u00e0nh acetate, hydro v\u00e0 carbon dioxide \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 vi khu\u1ea9n acetogenic.<\/p>\n\n\n\n

\u2022 Methanogenesis: h\u00ecnh th\u00e0nh t\u1eeb acetate v\u00e0 hydro\/carbon dioxide do vi khu\u1ea9n men vi sinh methanogenic.<\/p>\n\n\n\n

C\u00e1c vi khu\u1ea9n acetogenic ph\u00e1t tri\u1ec3n g\u1eafn li\u1ec1n v\u1edbi c\u00e1c vi khu\u1ea9n men vi sinh methanogenic trong giai \u0111o\u1ea1n th\u1ee9 t\u01b0 c\u1ee7a qu\u00e1 tr\u00ecnh. L\u00fd do c\u1ee7a \u0111i\u1ec1u n\u00e0y l\u00e0 vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i c\u00e1c s\u1ea3n ph\u1ea9m l\u00ean men b\u1edfi c\u00e1c acetogens l\u00e0 nhi\u1ec7t \u0111\u1ed9ng h\u1ecdc ch\u1ec9 khi n\u1ed3ng \u0111\u1ed9 hydro \u0111\u01b0\u1ee3c gi\u1eef \u0111\u1ee7 th\u1ea5p. \u0110i\u1ec1u n\u00e0y \u0111\u00f2i h\u1ecfi m\u1ed9t m\u1ed1i quan h\u1ec7 g\u1ea7n g\u0169i gi\u1eefa hai l\u1edbp c\u1ee7a vi khu\u1ea9n.<\/p>\n\n\n\n

Qu\u00e1 tr\u00ecnh k\u1ef5 kh\u00ed ch\u1ec9 di\u1ec5n ra trong \u0111i\u1ec1u ki\u1ec7n y\u1ebfm kh\u00ed nghi\u00eam ng\u1eb7t. N\u00f3 \u0111\u00f2i h\u1ecfi c\u1ee5 th\u1ec3 ch\u1ea5t r\u1eafn sinh h\u1ecdc th\u00edch nghi v\u00e0 \u0111i\u1ec1u ki\u1ec7n c\u1ee5 th\u1ec3, \u0111\u00f3 l\u00e0 kh\u00e1c bi\u1ec7t \u0111\u00e1ng k\u1ec3 c\u1ea7n thi\u1ebft \u0111\u1ec3 x\u1eed l\u00fd hi\u1ebfu kh\u00ed.<\/p>\n\n\n

\n
\"gia<\/figure><\/div>\n\n\n

 \u01afu \u0111i\u1ec3m c\u1ee7a ph\u00e2n h\u1ee7y k\u1ef5 kh\u00ed<\/strong><\/p>\n\n\n\n

\u00d4 nhi\u1ec5m n\u01b0\u1edbc th\u1ea3i \u0111\u01b0\u1ee3c chuy\u1ec3n th\u00e0nh kh\u00ed methane, carbon dioxide v\u00e0 s\u1ed1 l\u01b0\u1ee3ng nh\u1ecf c\u1ee7a ch\u1ea5t r\u1eafn sinh h\u1ecdc. S\u1ef1 t\u0103ng tr\u01b0\u1edfng sinh kh\u1ed1i l\u00e0 th\u1ea5p h\u01a1n nhi\u1ec1u so v\u1edbi qu\u00e1 tr\u00ecnh hi\u1ebfu kh\u00ed. <\/p>\n\n\n\n

Ph\u00e2n h\u1ee7y k\u1ef5 kh\u00ed<\/strong><\/p>\n\n\n\n

M\u1ed9t qu\u00e1 tr\u00ecnh sinh h\u1ecdc ph\u00e2n h\u1ee7y c\u00e1c ch\u1ea5t h\u1eefu c\u01a1 x\u1ea3y ra m\u00e0 kh\u00f4ng c\u1ea7n oxy. C\u00f3 2 qu\u00e1 tr\u00ecnh x\u1ea3y ra trong ph\u00e2n h\u1ee7y y\u1ebfm kh\u00ed. \u0110\u1ea7u ti\u00ean, axit ng\u1eabu nhi\u00ean h\u00ecnh th\u00e0nh vi khu\u1ea9n s\u1eed d\u1ee5ng ch\u1ea5t h\u1eefu c\u01a1 nh\u01b0 l\u00e0 m\u1ed9t ngu\u1ed3n th\u1ef1c ph\u1ea9m v\u00e0 s\u1ea3n xu\u1ea5t ra \u00e3it d\u1ec5 bay h\u01a1i (h\u1eefu c\u01a1), c\u00e1c ch\u1ea5t kh\u00ed nh\u01b0 carbon dioxide v\u00e0 hydrogen sulfide, ch\u1ea5t r\u1eafn \u1ed5n \u0111\u1ecbnh v\u00e0 s\u1ea3n sinh ra sinh v\u1eadt. Th\u1ee9 hai, methane k\u1ef5 kh\u00ed s\u1eed d\u1ee5ng c\u00e1c axit d\u1ec5 bay h\u01a1i nh\u01b0 l\u00e0 m\u1ed9t ngu\u1ed3n th\u1ef1c ph\u1ea9m v\u00e0 s\u1ea3n xu\u1ea5t kh\u00ed methane, ch\u1ea5t r\u1eafn \u1ed5n \u0111\u1ecbnh v\u00e0 s\u1ea3n sinh ra nhi\u1ec1u methane k\u1ef5 kh\u00ed h\u01a1n. Kh\u00ed m\u00eatan \u0111\u01b0\u1ee3c s\u1ea3n sinh ra b\u1edfi qu\u00e1 tr\u00ecnh n\u00e0y l\u00e0 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng l\u00e0m nhi\u00ean li\u1ec7u. C\u00e1c methane c\u0169 ho\u1ea1t \u0111\u1ed9ng ch\u1eadm h\u01a1n so v\u1edbi axit c\u0169, do \u0111\u00f3 \u0111\u1ed9 pH ph\u1ea3i duy tr\u00ec li\u00ean t\u1ee5c nh\u1ea5t qu\u00e1n \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a vi\u1ec7c t\u1ea1o ra kh\u00ed metan. B\u1ea1n c\u1ea7n ph\u1ea3i li\u00ean t\u1ee5c cung c\u1ea5p natri (sodium) bicarbonate \u0111\u1ec3 gi\u1eef cho n\u00f3 \u1ed5n \u0111\u1ecbnh.<\/p>\n\n\n

\n
\"gia<\/figure><\/div>\n\n\n

T\u00f3m t\u1eaft<\/strong><\/p>\n\n\n\n

C\u00e1c qu\u00e1 tr\u00ecnh hi\u1ebfu kh\u00ed, thi\u1ebfu kh\u00ed v\u00e0 k\u1ef5 kh\u00ed gi\u00fap chu\u1ea9n b\u1ecb ch\u1ea5t th\u1ea3i cho ph\u00e2n h\u1ee7y b\u1eb1ng c\u00e1ch t\u1ea5n c\u00f4ng c\u00e1c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 c\u00f3 trong n\u01b0\u1edbc th\u1ea3i. Trong ph\u00e2n h\u1ee7y hi\u1ebfu kh\u00ed vi sinh v\u1eadt duy nh\u1ea5t c\u00f3 th\u1ec3 s\u1ed1ng s\u00f3t l\u00e0 nh\u1eefng sinh v\u1eadt hi\u1ebfu kh\u00ed. Trong ph\u00e2n h\u1ee7y thi\u1ebfu kh\u00ed c\u00e1c vi sinh v\u1eadt s\u1eed d\u1ee5ng k\u1ebft h\u1ee3p oxy h\u00f3a \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong nitrit v\u00e0 nitrat. Trong qu\u00e1 tr\u00ecnh n\u00e0y, c\u00e1c sinh v\u1eadt ti\u00eau th\u1ee5 c\u00e1c ch\u1ea5t h\u1eefu c\u01a1 \u0111\u1ec3 gi\u00fap h\u1ed7 tr\u1ee3 ch\u1ee9c n\u0103ng s\u1ed1ng c\u1ee7a ch\u00fang. Trong giai \u0111o\u1ea1n \u0111\u1ea7u ti\u00ean c\u1ee7a s\u1ef1 ph\u00e2n h\u1ee7y y\u1ebfm kh\u00ed, vi khu\u1ea9n h\u00ecnh th\u00e0nh axit s\u1eed d\u1ee5ng c\u00e1c ch\u1ea5t h\u1eefu c\u01a1 nh\u01b0 th\u1ef1c ph\u1ea9m trong \u0111\u00f3 s\u1ea3n xu\u1ea5t c\u00e1c lo\u1ea1i kh\u00ed d\u1ec5 bay h\u01a1i, c\u00e1c axit v\u00e0 c\u00e1c sinh v\u1eadt ng\u1eabu nhi\u00ean. Th\u1ee9 hai, giai \u0111o\u1ea1n methane s\u1eed d\u1ee5ng c\u00e1c axit d\u1ec5 bay h\u01a1i nh\u01b0 l\u00e0 m\u1ed9t ngu\u1ed3n th\u1ef1c ph\u1ea9m v\u00e0 s\u1ea3n xu\u1ea5t nhi\u1ec1u kh\u00ed. Kh\u00ed n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m nhi\u00ean li\u1ec7u.<\/p>\n\n\n\n

Ths. Nguy\u1ec5n Minh Tr\u00ed l\u01b0\u1ee3c d\u1ecbch<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

Gi\u1edbi thi\u1ec7u Vi sinh v\u1eadt c\u0169ng gi\u1ed1ng nh\u01b0 t\u1ea5t c\u1ea3 c\u00e1c sinh v\u1eadt s\u1ed1ng, c\u1ea7n c\u00f3 th\u1ee9c \u0103n \u0111\u1ec3 t\u0103ng tr\u01b0\u1edfng. X\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i sinh h\u1ecdc bao g\u1ed3m t\u1eebng b\u01b0\u1edbc m\u1ed9t, li\u00ean t\u1ee5c, t\u1ea5n c\u00f4ng m\u1ed9t c\u00e1ch tr\u00ecnh t\u1ef1 tr\u00ean c\u00e1c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 c\u00f3 trong n\u01b0\u1edbc th\u1ea3i v\u00e0 tr\u00ean th\u1ee9c \u0103n m\u00e0 … <\/p>\n","protected":false},"author":1,"featured_media":374,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21],"tags":[],"class_list":["post-272","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/biowatertlp.com\/index.php?rest_route=\/wp\/v2\/posts\/272","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/biowatertlp.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/biowatertlp.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/biowatertlp.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/biowatertlp.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=272"}],"version-history":[{"count":3,"href":"https:\/\/biowatertlp.com\/index.php?rest_route=\/wp\/v2\/posts\/272\/revisions"}],"predecessor-version":[{"id":569,"href":"https:\/\/biowatertlp.com\/index.php?rest_route=\/wp\/v2\/posts\/272\/revisions\/569"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/biowatertlp.com\/index.php?rest_route=\/wp\/v2\/media\/374"}],"wp:attachment":[{"href":"https:\/\/biowatertlp.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=272"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/biowatertlp.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=272"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/biowatertlp.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=272"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}