S\u1ea7u ri\u00eang: Xanh v\u1ecf \u0111\u1ecf ti\u1ec1n<\/p>\n
Thay v\u00ec \u0111\u1ed5 \u0111\u1ed1ng, ch\u1edd hoai m\u1ee5c sinh ra nhi\u1ec1u kh\u00ed metan, nit\u01a1 oxide \u0111\u1ed9c h\u1ea1i, nhi\u1ec1u ng\u01b0\u1eddi \u0111\u00e3 \u201ch\u00f3a ki\u1ebfp\u201d v\u1ecf s\u1ea7u ri\u00eang th\u00e0nh than sinh h\u1ecdc, ph\u00e2n h\u1eefu c\u01a1 v\u00e0 gi\u1ea5m g\u1ed7.<\/p>\n
S\u00e1u th\u00e1ng \u0111\u1ea7u n\u0103m 2024, Trung Qu\u1ed1c \u0111\u00e3 chi 3,97 t\u1ec9 USD<\/span> \u0111\u1ec3 mua h\u01a1n 833.000 t\u1ea5n s\u1ea7u ri\u00eang, bi\u1ebfn Vi\u1ec7t Nam th\u00e0nh \u0111\u1ed1i t\u00e1c cung c\u1ea5p s\u1ea7u ri\u00eang l\u1edbn th\u1ee9 hai t\u1ea1i n\u01b0\u1edbc n\u00e0y. Nh\u01b0ng chuy\u1ec7n th\u1eadt nh\u01b0 \u0111\u00f9a, s\u1ea7u ri\u00eang \u0111ang g\u00e2y h\u1ea1i m\u00f4i tr\u01b0\u1eddng khi ch\u00fang \u0111\u01b0\u1ee3c cho l\u00e0 th\u1ea3i ra kh\u00ed CO2 nhi\u1ec1u h\u01a1n lo\u1ea1i tr\u00e1i c\u00e2y kh\u00e1c.<\/p>\n V\u1ecf s\u1ea7u ri\u00eang th\u00e0nh\u2026 s\u1ea7u chung<\/strong><\/p>\n Theo c\u00e1c nh\u00e0 khoa h\u1ecdc \u0110H N\u00f4ng nghi\u1ec7p Nam Kinh (Trung Qu\u1ed1c), n\u01b0\u1edbc n\u00e0y \u0111ang \u0111\u1ed1i m\u1eb7t v\u1edbi l\u01b0\u1ee3ng ph\u00e1t th\u1ea3i kh\u1ed5ng l\u1ed3 t\u1eeb s\u1ea7u ri\u00eang v\u00ec c\u1ee9 1 kg s\u1ea7u ri\u00eang s\u1ebd th\u1ea3i ra kho\u1ea3ng 2 kg CO2. Trong khi m\u1ed9t tr\u00e1i s\u1ea7u ri\u00eang th\u00ec ch\u1ec9 30%-35% tr\u1ecdng l\u01b0\u1ee3ng l\u00e0 ph\u1ea7n \u0103n \u0111\u01b0\u1ee3c, c\u00f2n l\u1ea1i l\u00e0 b\u1ecf \u0111i, r\u00e1c th\u1ea3i t\u1eeb v\u1ecf v\u00e0 h\u1ea1t s\u1ea7u ri\u00eang sinh ra c\u00e1c kh\u00ed metan, CO2 v\u00e0 c\u1ea3 nit\u01a1 oxide \u0111\u1ed9c h\u1ea1i.<\/p>\n V\u00ec th\u1ebf, Trung Qu\u1ed1c \u01b0u ti\u00ean nh\u1eadp kh\u1ea9u s\u1ea7u ri\u00eang \u0111\u00f4ng l\u1ea1nh v\u00e0 t\u1eeb th\u00e1ng 8-2024, Vi\u1ec7t Nam \u0111\u00e3 ch\u00ednh th\u1ee9c xu\u1ea5t kh\u1ea9u m\u1eb7t h\u00e0ng n\u00e0y, m\u1edf ra c\u01a1 h\u1ed9i thu v\u1ec1 300 tri\u1ec7u USD<\/span>\/n\u0103m. Tuy nhi\u00ean, khi xu\u1ea5t kh\u1ea9u nhi\u1ec1u s\u1ea7u ri\u00eang \u0111\u00f4ng l\u1ea1nh, n\u01b0\u1edbc ta s\u1ebd t\u1ed3n d\u01b0 m\u1ed9t l\u01b0\u1ee3ng l\u1edbn v\u1ecf v\u00e0 h\u1ea1t th\u1ea3i ra m\u00f4i tr\u01b0\u1eddng. V\u00ec v\u1eady, nhi\u1ec1u ng\u01b0\u1eddi \u0111\u00e3 t\u00ecm c\u00e1ch t\u00e1i ch\u1ebf, bi\u1ebfn v\u1ecf s\u1ea7u ri\u00eang th\u00e0nh ti\u1ec1n.<\/p>\n \u201cCh\u00fang t\u00f4i \u0111\u00e3 ch\u1ebf bi\u1ebfn th\u00e0nh c\u00f4ng v\u1ecf s\u1ea7u ri\u00eang th\u00e0nh than sinh h\u1ecdc v\u00e0 gi\u1ea5m g\u1ed7\u201d – \u00f4ng Nguy\u1ec5n V\u0103n Xu\u00e2n, Gi\u00e1m \u0111\u1ed1c C\u00f4ng ty CP N\u0103ng l\u01b0\u1ee3ng Resa, n\u00f3i.<\/p>\n \u00d4ng Xu\u00e2n cho bi\u1ebft n\u1ebfu \u0111\u1ec3 trong t\u1ef1 nhi\u00ean th\u00ec v\u1ecf s\u1ea7u ri\u00eang ph\u00e2n h\u1ee7y r\u1ea5t ch\u1eadm, g\u00e2y ra m\u00f9i h\u00f4i kh\u00f3 ch\u1ecbu. V\u00ec th\u1ebf \u00f4ng \u0111\u00e3 x\u1eed l\u00fd v\u1ecf s\u1ea7u ri\u00eang th\u00e0nh than sinh h\u1ecdc b\u1eb1ng c\u00e1ch ch\u1ebf t\u1ea1o m\u1ed9t l\u00f2 nhi\u1ec7t ph\u00e2n \u0111\u1ef1ng v\u1ecf s\u1ea7u ri\u00eang t\u01b0\u01a1i v\u00e0 m\u1ed9t l\u00f2 ng\u01b0ng t\u1ee5 h\u01a1i.<\/p>\n L\u00f2 nhi\u1ec7t ph\u00e2n cho ra nhi\u1ec1u lo\u1ea1i s\u1ea3n ph\u1ea9m, khi nhi\u1ec7t \u0111\u1ed9 l\u00f2 \u0111\u1ea1t \u0111\u1ebfn 150-190 \u0111\u1ed9 C s\u1ebd t\u1ea1o ra dung d\u1ecbch gi\u1ea5m g\u1ed7. Sau \u0111\u00f3 l\u00f2 ti\u1ebfp t\u1ee5c gia nhi\u1ec7t \u0111\u1ec3 t\u1ea1o th\u00e0nh kh\u00ed ch\u00e1y v\u00e0 v\u1ecf b\u1ecb \u0111\u1ed1t h\u1ebft s\u1ebd thu \u0111\u01b0\u1ee3c than sinh h\u1ecdc. M\u1ed9t m\u1ebb nhi\u1ec7t ph\u00e2n 50-100 kg v\u1ecf s\u1ea7u ri\u00eang t\u01b0\u01a1i c\u00f3 th\u1ec3 thu \u0111\u01b0\u1ee3c 25 l\u00edt gi\u1ea5m g\u1ed7 v\u00e0 15-20 kg than sinh h\u1ecdc.<\/p>\n Th\u00e0nh nhi\u1ec1u s\u1ea3n ph\u1ea9m b\u1ea5t ng\u1edd<\/strong><\/p>\n \u00d4ng Xu\u00e2n cho bi\u1ebft gi\u1ea5m g\u1ed7 c\u00f3 nhi\u1ec1u c\u00f4ng d\u1ee5ng nh\u01b0 kh\u1eed m\u00f9i chu\u1ed3ng tr\u1ea1i ch\u0103n nu\u00f4i, l\u00e0m thu\u1ed1c b\u1ea3o v\u1ec7 th\u1ef1c v\u1eadt, di\u1ec7t c\u00f4n tr\u00f9ng… Tr\u00ean th\u1ecb tr\u01b0\u1eddng, 1 l\u00edt gi\u1ea5m g\u1ed7 c\u00f3 gi\u00e1 100.000-150.000 \u0111\u1ed3ng. V\u1edbi than sinh h\u1ecdc, ngo\u00e0i t\u00e1c d\u1ee5ng nh\u01b0 m\u1ed9t lo\u1ea1i ph\u00e2n b\u00f3n c\u1ea3i t\u1ea1o \u0111\u1ea5t, n\u1ebfu \u0111\u01b0\u1ee3c nghi\u1ec1n ra pha tr\u1ed9n v\u1edbi ph\u1ee5 gia, \u00e9p th\u00e0nh vi\u00ean, ph\u01a1i kh\u00f4 c\u00f3 th\u1ec3 t\u1ea1o th\u00e0nh than kh\u00f4ng kh\u00f3i, gi\u00e0u n\u0103ng l\u01b0\u1ee3ng v\u00e0 kh\u00f4ng g\u00e2y \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng. Than sinh h\u1ecdc n\u00e0y c\u00f3 gi\u00e1 b\u00e1n 14.000-15.000 \u0111\u1ed3ng\/kg.<\/p>\n \u201cTuy v\u1eady, \u0111\u1ebfn nay th\u00e0nh ph\u1ea9m n\u00e0y v\u1eabn ch\u01b0a \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i do gi\u00e1 b\u00e1n cao, kh\u00f3 c\u1ea1nh tranh\u201d – \u00f4ng Xu\u00e2n n\u00f3i.<\/p>\n Trong n\u0103m 2023, nh\u00f3m ba t\u00e1c gi\u1ea3 thu\u1ed9c khoa M\u00f4i tr\u01b0\u1eddng v\u00e0 T\u00e0i nguy\u00ean thi\u00ean nhi\u00ean (Tr\u01b0\u1eddng \u0110H C\u1ea7n Th\u01a1) c\u0169ng \u0111\u00e3 c\u00f4ng b\u1ed1 nghi\u00ean c\u1ee9u s\u1eed d\u1ee5ng v\u1ecf s\u1ea7u ri\u00eang \u0111\u1ec3 t\u1ea1o than sinh h\u1ecdc, nhi\u1ec7t ph\u00e2n \u1edf nhi\u1ec7t \u0111\u1ed9 500 \u0111\u1ed9 C trong m\u00f4i tr\u01b0\u1eddng kh\u00ed tr\u01a1 nit\u01a1.<\/p>\n V\u1ecf s\u1ea7u ri\u00eang \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i th\u00e0nh than sinh h\u1ecdc v\u00e0 c\u00f3 ti\u1ec1m n\u0103ng \u1ee9ng d\u1ee5ng trong c\u1ea3i thi\u1ec7n m\u00f4i tr\u01b0\u1eddng \u0111\u1ea5t c\u00f3 h\u00e0m l\u01b0\u1ee3ng pH th\u1ea5p hay \u0111\u1ea5t b\u1ecb b\u1ea1c m\u00e0u. Than sinh h\u1ecdc t\u1eeb v\u1ecf s\u1ea7u ri\u00eang \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m h\u00f3a l\u00fd, bao g\u1ed3m \u0111\u1ed9 \u1ea9m, pH, EC, CEC<\/a> v\u00e0 h\u00e0m l\u01b0\u1ee3ng carbon, c\u00f3 t\u00e1c d\u1ee5ng c\u1ea3i t\u1ea1o \u0111\u1ea5t.<\/p>\n Th\u00e0nh ph\u00e2n, b\u00f3n ng\u01b0\u1ee3c l\u1ea1i cho c\u00e2y<\/p>\n
<\/p>\n L\u00e0\u00a0doanh nghi\u1ec7p\u00a0xu\u1ea5t kh\u1ea9u s\u1ea7u ri\u00eang, m\u1ed7i m\u00f9a thu ho\u1ea1ch b\u00e0 Nguy\u1ec5n Th\u1ecb Th\u00e1i Thanh, T\u1ed5ng Gi\u00e1m \u0111\u1ed1c C\u00f4ng ty CP Ban M\u00ea Green Farm, \u0111\u1ed1i m\u1eb7t v\u1edbi vi\u1ec7c x\u1eed l\u00fd v\u1ecf. T\u00ednh ri\u00eang n\u0103m 2022, c\u00f4ng ty \u0111\u00e3 gia c\u00f4ng h\u01a1n 2.000 t\u1ea5n tr\u00e1i, th\u1ea3i ra h\u01a1n 1.300 t\u1ea5n v\u1ecf. Sau hai n\u0103m nghi\u00ean c\u1ee9u, \u0111\u1ebfn n\u0103m 2023, b\u00e0 Thanh \u0111\u00e3 k\u1ebft h\u1ee3p c\u00f9ng c\u00e1c c\u00f4ng ty ph\u00e2n b\u00f3n \u0111\u1ec3 t\u00e1i ch\u1ebf v\u1ecf th\u00e0nh ph\u00e2n b\u00f3n vi sinh h\u1eefu c\u01a1 v\u00e0 d\u00f9ng \u0111\u1ec3 b\u00f3n ng\u01b0\u1ee3c l\u1ea1i cho c\u00e2y s\u1ea7u ri\u00eang trong giai \u0111o\u1ea1n ph\u1ee5c h\u1ed3i.<\/p>\n
<\/p>\n C\u0169ng t\u00e1i sinh v\u00f2ng \u0111\u1eddi cho v\u1ecf s\u1ea7u ri\u00eang, \u00f4ng Tr\u1ea7n V\u0103n Th\u1eafng, Gi\u00e1m \u0111\u1ed1c H\u1ee3p t\u00e1c x\u00e3 N\u00f4ng Nghi\u1ec7p Xanh (huy\u1ec7n Kr\u00f4ng P\u1eafc, \u0110\u1eafk L\u1eafk), cho bi\u1ebft v\u1ecf c\u00f3 nhi\u1ec1u ch\u1ea5t x\u01a1 kh\u00f4ng h\u00f2a tan, khi b\u0103m nh\u1ecf, \u1ee7 vi sinh s\u1ebd t\u1ea1o ngu\u1ed3n ph\u00e2n h\u1eefu c\u01a1. \u201cTr\u01b0\u1edbc \u0111\u00e2y, nh\u1eefng c\u01a1 s\u1edf thu mua, xu\u1ea5t kh\u1ea9u s\u1ea7u ri\u00eang nh\u01b0 ch\u00fang t\u00f4i r\u1ea5t kh\u00f3 t\u00ecm c\u00e1ch x\u1eed l\u00fd v\u1ecf th\u00ec nay \u0111\u00e3 gi\u1ea3m l\u01b0\u1ee3ng r\u00e1c th\u1ea3i, thu v\u1ec1 ngu\u1ed3n ph\u00e2n b\u00f3n t\u1ef1 nhi\u00ean. Ch\u1ec9 c\u00f3 \u0111i\u1ec1u d\u00f2ng ph\u00e2n n\u00e0y ch\u1ec9 s\u1eed d\u1ee5ng trong ch\u00ednh v\u00f9ng tr\u1ed3ng\u201d – \u00f4ng Th\u1eafng n\u00f3i.<\/p>\n
<\/p>\n V\u1ecf s\u1ea7u ri\u00eang \u0111\u00e3 \u0111\u01b0\u1ee3c bi\u1ebfn h\u00f3a th\u00e0nh nhi\u1ec1u s\u1ea3n ph\u1ea9m r\u1ea5t h\u1eefu \u00edch,
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<\/p>\n \u00d4ng Ph\u1ea1m Ng\u1ecdc H\u1ed3, Gi\u00e1m \u0111\u1ed1c \u0111i\u1ec1u h\u00e0nh C\u00f4ng ty CP Ph\u00e2n b\u00f3n tr\u00f9n qu\u1ebf Cao Nguy\u00ean Xanh (\u0110\u1eafk L\u1eafk), th\u00ec l\u1ea1i th\u00e0nh c\u00f4ng v\u1edbi d\u1ef1 \u00e1n nu\u00f4i tr\u00f9n qu\u1ebf t\u1eeb v\u1ecf s\u1ea7u ri\u00eang \u0111\u1ec3 l\u00e0m ph\u00e2n b\u00f3n h\u1eefu c\u01a1. Hi\u1ec7n d\u00f2ng ph\u00e2n n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c b\u00e1n ra th\u1ecb tr\u01b0\u1eddng t\u1eeb qu\u00fd III-2024. M\u1ed7i ng\u00e0y trang tr\u1ea1i tr\u00f9n qu\u1ebf c\u1ee7a \u00f4ng H\u1ed3 x\u1eed l\u00fd tr\u00ean 20 t\u1ea5n v\u1ecf s\u1ea7u ri\u00eang v\u00e0 m\u1ed7i th\u00e1ng c\u00f3 500-600 t\u1ea5n v\u1ecf s\u1ea7u ri\u00eang \u0111\u01b0\u1ee3c \u201ch\u00f3a ki\u1ebfp\u201d th\u00e0nh ti\u1ec1n.<\/p>\n
<\/p>\n \u00d4ng H\u1ed3 n\u00f3i: \u201cV\u1ecf s\u1ea7u ri\u00eang \u1ee7 l\u00ean men b\u1eb1ng ch\u1ebf ph\u1ea9m l\u1ee3i nhu\u1eadn theo t\u1ec9 l\u1ec7 th\u00edch h\u1ee3p \u0111\u1ec3 l\u00e0m th\u1ee9c \u0103n cho tr\u00f9n qu\u1ebf. Tr\u00f9n qu\u1ebf sau khi \u0103n s\u1ebd th\u1ea3i ra ph\u00e2n t\u1ef1 nhi\u00ean. T\u00f4i \u0111\u00e3 \u0111i ki\u1ec3m nghi\u1ec7m v\u00e0 th\u1ea5y t\u1ec9 l\u1ec7 h\u1eefu c\u01a1 trong ph\u00e2n tr\u00f9n qu\u1ebf khi \u0111\u01b0\u1ee3c nu\u00f4i b\u1eb1ng v\u1ecf s\u1ea7u ri\u00eang \u0111\u1ea1t kho\u1ea3ng 60%, cao h\u01a1n khi s\u1eed d\u1ee5ng ph\u00e2n gia s\u00fac l\u00e0m th\u1ee9c \u0103n cho tr\u00f9n qu\u1ebf\u201d.<\/p>\n
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THU H\u00c0 <\/p>\n Ph\u00e1p lu\u1eadt TPHCM<\/a><\/p>\n – 08:00 02\/02\/2025<\/p>\n<\/p><\/div>\n\u00a0<\/p>\n
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\n trong \u0111\u00f3 c\u00f3 than sinh h\u1ecdc.<\/em><\/p>\n
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