{"id":2778,"date":"2024-10-04T18:58:20","date_gmt":"2024-10-04T18:58:20","guid":{"rendered":"https:\/\/dongcobiogas.com\/?p=2778"},"modified":"2024-10-04T18:58:22","modified_gmt":"2024-10-04T18:58:22","slug":"tinh-nang-dong-co-biogas-danh-lua-cuong-buc","status":"publish","type":"post","link":"https:\/\/dongcobiogas.com\/en\/tinh-nang-dong-co-biogas-danh-lua-cuong-buc\/","title":{"rendered":"T\u00ednh n\u0103ng \u0110\u1ed9ng c\u01a1 Biogas \u0111\u00e1nh l\u1eeda c\u01b0\u1ee1ng b\u1ee9c"},"content":{"rendered":"\n

T\u00cdNH N\u0102NG \u0110\u1ed8NG C\u01a0 TOYOTA 3Y CH\u1ea0Y B\u1eb0NG BIOGAS<\/strong>
              B\u00e0i b\u00e1o tr\u00ecnh b\u00e0y k\u1ebft qu\u1ea3 \u0111o c\u00f4ng su\u1ea5t \u0111\u1ed9ng c\u01a1 \u0111\u00e1nh l\u1eeda c\u01b0\u1ee1ng b\u1ee9c ch\u1ea1y b\u1eb1ng biogas \u0111\u01b0\u1ee3c c\u1ea3i t\u1ea1o t\u1eeb \u0111\u1ed9ng c\u01a1 \u00f4 t\u00f4 Toyota 3Y. Th\u1ef1c nghi\u1ec7m \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh tr\u00ean hi\u1ec7n tr\u01b0\u1eddng, t\u1ea1i n\u01a1i s\u1ea3n xu\u1ea5t biogas v\u1edbi b\u0103ng th\u1eed th\u1ee7y l\u1ef1c FROUDE. K\u1ebft qu\u1ea3 cho th\u1ea5y khi chuy\u1ec3n \u0111\u1ed9ng c\u01a1 x\u0103ng c\u1ee7a ph\u01b0\u01a1ng ti\u1ec7n v\u1eadn t\u1ea3i th\u00e0nh \u0111\u1ed9ng c\u01a1 t\u0129nh t\u1ea1i ch\u1ea1y b\u1eb1ng biogas th\u00ec t\u1ed1c \u0111\u1ed9 c\u1ef1c \u0111\u1ea1i c\u1ee7a \u0111\u1ed9ng c\u01a1 gi\u1ea3m. M\u1ee9c \u0111\u1ed9 gi\u1ea3m t\u1ed1c \u0111\u1ed9 c\u1ef1c \u0111\u1ea1i n\u00e0y c\u00e0ng cao \u0111\u1ed1i v\u1edbi biogas c\u00f3 th\u00e0nh th\u00e0nh CH4<\/sub> c\u00e0ng th\u1ea5p. C\u00f4ng su\u1ea5t \u0111\u1ed9ng c\u01a1 biogas t\u1ea1i v\u1ecb tr\u00ed t\u1ed1c \u0111\u1ed9 \u0111\u1ecbnh m\u1ee9c sau khi c\u1ea3i t\u1ea1o gi\u1ea3m kho\u1ea3ng t\u1eeb 20% (\u0111\u1ed1i v\u1edbi biogas gi\u00e0u) \u0111\u1ebfn 30% (\u0111\u1ed1i v\u1edbi biogas ngh\u00e8o) so v\u1edbi khi ch\u1ea1y b\u1eb1ng x\u0103ng t\u1ea1i v\u1ecb tr\u00ed t\u1ed1c \u0111\u1ed9 t\u01b0\u01a1ng \u1ee9ng.<\/p>\n\n\n\n

             Khi th\u00e0nh ph\u1ea7n CH4<\/sub> trong biogas t\u0103ng t\u1eeb 60% l\u00ean 78% th\u00ec c\u00f4ng su\u1ea5t c\u1ef1c \u0111\u1ea1i \u0111\u1ed9ng c\u01a1 t\u0103ng 8%. N\u1ebfu s\u1eed d\u1ee5ng b\u1ed9 ch\u1ebf h\u00f2a kh\u00ed \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 cung c\u1ea5p biogas cho \u0111\u1ed9ng c\u01a1 th\u00ec c\u00f4ng su\u1ea5t \u0111\u1ed9ng c\u01a1 c\u00f3 th\u1ec3 gi\u1ea3m \u0111\u1ebfn 30% so v\u1edbi khi s\u1eed d\u1ee5ng b\u1ed9 cung c\u1ea5p nhi\u00ean li\u1ec7u GATEC 21 c\u00f3 \u0111i\u1ec1u ch\u1ec9nh l\u01b0u l\u01b0\u1ee3ng biogas. T\u0103ng g\u00f3c \u0111\u00e1nh l\u1eeda s\u1edbm theo t\u1ed1c \u0111\u1ed9 \u0111\u1ed9ng c\u01a1 l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 c\u1ea3i thi\u1ec7n t\u00ednh n\u0103ng c\u00f4ng t\u00e1c c\u1ee7a \u0111\u1ed9ng c\u01a1 biogas \u0111\u00e1nh l\u1eeda c\u01b0\u1ee1ng b\u1ee9c.<\/p>\n\n\n\n

\n\n\n\n

I. GI\u1edaI THI\u1ec6U<\/strong>             Vi\u1ec7c t\u1eadn d\u1ee5ng c\u00e1c \u0111\u1ed9ng c\u01a1 \u00f4 t\u00f4 \u0111\u00e3 qua s\u1eed d\u1ee5ng \u0111\u1ec3 chuy\u1ec3n th\u00e0nh \u0111\u1ed9ng c\u01a1 t\u0129nh t\u1ea1i ch\u1ea1y b\u1eb1ng biogas mang nhi\u1ec1u \u00fd ngh\u0129a thi\u1ebft th\u1ef1c trong s\u1ea3n xu\u1ea5t v\u00e0 \u0111\u1eddi s\u1ed1ng \u1edf n\u00f4ng th\u00f4n n\u01b0\u1edbc ta. Tr\u00ean th\u1ef1c t\u1ebf nh\u1eefng \u0111\u1ed9ng c\u01a1 t\u0129nh t\u1ea1i c\u00f3 m\u1eb7t tr\u00ean th\u1ecb tr\u01b0\u1eddng th\u01b0\u1eddng c\u00f3 c\u00f4ng su\u1ea5t b\u00e9. Nh\u1eefng \u0111\u1ed9ng c\u01a1 c\u1ee1 l\u1edbn r\u1ea5t \u0111\u1eaft ti\u1ec1n, kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi \u0111\u1ea7u t\u01b0 c\u1ee7a v\u00f9ng n\u00f4ng th\u00f4n.<\/p>\n\n\n\n

\"\"\/<\/figure>\n\n\n\n

             Vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i \u0111\u1ed9ng c\u01a1 \u00f4 t\u00f4 ch\u1ea1y x\u0103ng th\u00e0nh \u0111\u1ed9ng c\u01a1 t\u0129nh t\u1ea1i ch\u1ea1y b\u1eb1ng biogas, ngo\u00e0i b\u1ed9 t\u1ea1o h\u1ed7n h\u1ee3p c\u1ea7n l\u1eafp th\u00eam b\u1ed9 \u0111i\u1ec1u t\u1ed1c \u0111\u1ec3 \u1ed5n \u0111\u1ecbnh t\u1ed1c \u0111\u1ed9. Nh\u1eefng \u0111\u1ed9ng c\u01a1 n\u00e0y th\u01b0\u1eddng c\u00f3 t\u1ed1c \u0111\u1ed9 c\u1ef1c \u0111\u1ea1i cao n\u00ean khi chuy\u1ec3n sang ch\u1ea1y b\u1eb1ng biogas, t\u1ed1c \u0111\u1ed9 c\u1ef1c \u0111\u1ea1i c\u1ee7a \u0111\u1ed9ng c\u01a1 b\u1ecb gi\u1ea3m do t\u1ed1c \u0111\u1ed9 ch\u00e1y c\u1ee7a h\u1ed7n h\u1ee3p biogas-kh\u00f4ng kh\u00ed th\u1ea5p h\u01a1n h\u1ed7n h\u1ee3p x\u0103ng-kh\u00f4ng kh\u00ed [2]. Theo [1] th\u00ec t\u1ed1c \u0111\u1ed9 \u0111\u1ed9ng c\u01a1 ch\u1ea1y b\u1eb1ng biogas kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 3000 v\u00f2ng\/ph\u00fat. M\u1eb7t kh\u00e1c biogas th\u01b0\u1eddng c\u00f3 ch\u1ee9a m\u1ed9t h\u00e0m l\u01b0\u1ee3ng \u0111\u00e1ng k\u1ec3 CO2<\/sub> n\u00ean nhi\u1ec7t tr\u1ecb c\u1ee7a nhi\u00ean li\u1ec7u th\u1ea5p. T\u1ea5t c\u1ea3 nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0y l\u00e0m cho c\u00f4ng su\u1ea5t c\u1ee7a \u0111\u1ed9ng c\u01a1 biogas \u0111\u01b0\u1ee3c c\u1ea3i t\u1ea1o t\u1eeb \u0111\u1ed9ng c\u01a1 x\u0103ng \u00f4 t\u00f4 th\u1ea5p h\u01a1n nhi\u1ec1u so v\u1edbi c\u00f4ng su\u1ea5t \u0111\u1ed9ng c\u01a1 nguy\u00ean th\u1ee7y.<\/p>\n\n\n\n

            B\u00e0i vi\u1ebft n\u00e0y tr\u00ecnh b\u00e0y k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u th\u1ef1c nghi\u1ec7m v\u1ec1 \u1ea3nh h\u01b0\u1edfng c\u1ee7a nhi\u00ean liejeu v\u00e0 qu\u00e1 tr\u00ecnh cung c\u1ea5p nhi\u00ean li\u1ec7u \u0111\u1ebfn t\u00ednh n\u0103ng \u0111\u1ed9ng c\u01a1 biogas \u0111\u00e1nh l\u1eeda c\u01b0\u1ee1ng b\u1ee9c \u0111\u01b0\u1ee3c c\u1ea3i t\u1ea1o t\u1eeb \u0111\u1ed9ng c\u01a1 x\u0103ng \u00f4 t\u00f4 Toyota 3Y<\/p>\n\n\n\n

II. B\u1ed0 TR\u00cd TH\u00cd NGHI\u1ec6M<\/strong>            \u0110\u1ed9ng c\u01a1 Toyota 3Y l\u00e0 \u0111\u1ed9ng c\u01a1 4 k\u1ef3, 4 xy lanh, c\u00f3 t\u1ec9 s\u1ed1 n\u00e9n 8,8, \u0111\u01b0\u1eddng k\u00ednh xy lanh 86mm, h\u00e0nh tr\u00ecnh piston 86mm, \u0111\u1ea1t c\u00f4ng su\u1ea5t 63kW \u1edf t\u1ed1c \u0111\u1ed9 4.200-4.600 v\u00f2ng\/ph\u00fat. \u0110\u00e2y l\u00e0 \u0111\u1ed9ng c\u01a1 \u0111\u01b0\u1ee3c l\u1eafp tr\u00ean c\u00e1c ki\u1ec3u xe th\u00f4ng d\u1ee5ng c\u1ee7a Toyota (h\u00ecnh 1).

             \u0110\u1ec3 chuy\u1ec3n \u0111\u1ed5i \u0111\u1ed9ng c\u01a1 th\u00e0nh \u0111\u1ed9ng c\u01a1 t\u0129nh t\u1ea1i ch\u1ea1y b\u1eb1ng biogas, ch\u00fang ta ph\u1ea3i l\u1eafp th\u00eam b\u1ed9 ph\u1ee5 ki\u1ec7n GATEC 20 v\u00e0 b\u1ed9 t\u1ea1o h\u1ed7n h\u1ee3p \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o th\u00e0nh ph\u1ea7n h\u1ed7n h\u1ee3p cung c\u1ea5p cho \u0111\u1ed9ng c\u01a1 l\u00e0 t\u1ed1i \u01b0u v\u00e0 gi\u1eef \u1ed5n \u0111\u1ecbnh t\u1ed9c \u0111\u1ed9 \u0111\u1ed9ng c\u01a1 \u1edf c\u00e1c ch\u1ebf \u0111\u1ed9 t\u1ea3i kh\u00e1c nhau (h\u00ecnh 2). Trong th\u00ed nghi\u1ec7m n\u00e0y, b\u1ed9 t\u1ea1o h\u1ed7n h\u1ee3p ki\u1ec3u b\u1ed9 ch\u1ebf h\u00f2a kh\u00ed \u0111\u01a1n gi\u1ea3n \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 cung c\u1ea5p nhi\u00ean li\u1ec7u cho \u0111\u1ed9ng c\u01a1 (h\u00ecnh 3).<\/p>\n\n\n\n

            Do t\u1ed1c \u0111\u1ed9 ch\u00e1y c\u1ee7a h\u1ed7n h\u1ee3p biogas-kh\u00f4ng kh\u00ed th\u1ea5p n\u00ean khi chuy\u1ec3n sang ch\u1ea1y b\u1eb1ng biogas, t\u1ed1c \u0111\u1ed9 c\u1ef1c \u0111\u1ea1i c\u1ee7a \u0111\u1ed9ng c\u01a1 gi\u1edbi h\u1ea1n \u1edf m\u1ee9c th\u1ea5p h\u01a1n t\u1ed1c \u0111\u1ed9 \u0111\u1ecbnh m\u1ee9c khi ch\u1ea1y b\u1eb1ng x\u0103ng. C\u00f4ng su\u1ea5t \u0111\u1ecbnh m\u1ee9c c\u1ee7a \u0111\u1ed9ng c\u01a1 khi ch\u1ea1y b\u1eb1ng biogas gi\u1ea3m so v\u1edbi khi ch\u1ea1y b\u1eb1ng x\u0103ng b\u1edfi 3 l\u00fd do ch\u00ednh sau \u0111\u00e2y:<\/p>\n\n\n\n

–        Biogas l\u00e0 nhi\u00ean li\u1ec7u kh\u00ed n\u00ean l\u00e0m gi\u1ea3m th\u1ec3 t\u00edch kh\u00f4ng kh\u00ed n\u1ea1p v\u00e0o \u0111\u1ed9ng c\u01a1
–        Biogas c\u00f3 ch\u1ee9a CO2<\/sub> l\u00e0m gi\u1ea3m nhi\u1ec7t tr\u1ecb nhi\u00ean li\u1ec7u
–        T\u1ed1c \u0111\u1ed9 c\u1ef1c \u0111\u1ea1i c\u1ee7a \u0111\u1ed9ng c\u01a1 gi\u1ea3m so v\u1edbi khi ch\u1ea1y b\u1eb1ng x\u0103ng<\/p>\n\n\n\n

\"\"\/<\/figure>\n\n\n\n
\"\"\/<\/figure>\n\n\n\n
\"\"\/<\/figure>\n\n\n\n

            V\u00ec v\u1eady khi chuy\u1ec3n \u0111\u1ed9ng c\u01a1 x\u0103ng l\u1eafp tr\u00ean \u00f4 t\u00f4 th\u00e0nh \u0111\u1ed9ng c\u01a1 t\u0129nh t\u1ea1i ch\u1ea1y b\u1eb1ng biogas ch\u00fang ta c\u1ea7n \u0111o \u0111\u1ea1c l\u1ea1i t\u00ednh n\u0103ng c\u1ee7a n\u00f3 \u0111\u1ec3 c\u00f3 th\u1ec3 b\u1ed1 tr\u00ed tr\u00ean c\u00e1c m\u00e1y c\u00f4ng t\u00e1c ph\u00f9 h\u1ee3p.<\/p>\n\n\n\n

            H\u00ecnh 4 gi\u1edbi thi\u1ec7u \u1ea3nh ch\u1ee5p c\u1ee7a h\u1ec7 th\u1ed1ng th\u00ed nghi\u1ec7m. \u0110\u1ed9ng c\u01a1 biogas \u0111\u01b0\u1ee3c l\u1eafp tr\u00ean b\u0103ng th\u1eed FROUDE v\u00e0 to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c \u0111\u1eb7t l\u00ean xe t\u1ea3i nh\u1eb9 \u0111\u1ec3 c\u00f3 th\u1ec3 v\u1eadn chuy\u1ec3n \u0111\u1ebfn n\u01a1i s\u1ea3n xu\u1ea5t biogas l\u00e0m th\u00ed nghi\u1ec7m.<\/p>\n\n\n\n

            Biogas \u0111\u01b0\u1ee3c l\u1ecdc H2<\/sub>S b\u1eb1ng v\u1eadt li\u1ec7u bentonite. H\u00e0m l\u01b0\u1ee3ng CH4<\/sub> ra kh\u1ecfi l\u1ecdc kho\u1ea3ng 60% v\u00e0 h\u00e0m l\u01b0\u1ee3ng H2<\/sub>S kho\u1ea3ng 100ppm. Nhi\u00ean li\u1ec7u l\u1ecdc xong \u0111\u01b0\u1ee3c ch\u1ee9a s\u1eb5n trong t\u00fai ni l\u00f4ng \u0111\u1ec3 cung c\u1ea5p cho \u0111\u1ed9ng c\u01a1.<\/p>\n\n\n\n

            \u0110\u1ec3 t\u0103ng h\u00e0m l\u01b0\u1ee3ng CH4<\/sub> trong biogas, ch\u00fang ta t\u0103ng c\u01b0\u1eddng th\u00eam l\u1ecdc h\u1ea5p th\u1ee5 b\u1eb1ng NaOH. H\u1ec7 th\u1ed1ng n\u1ed1i ti\u1ebfp hai l\u1ecdc n\u00e0y cho ph\u00e9p ch\u00fang ta nh\u1eadn \u0111\u01b0\u1ee3c biogas gi\u00e0u v\u1edbi h\u00e0m l\u01b0\u1ee3ng CH4<\/sub> l\u00ean \u0111\u1ebfn tr\u00ean 90% v\u00e0 h\u00e0m l\u01b0\u1ee3ng H2<\/sub>S c\u00f2n kho\u1ea3ng 50ppm.<\/p>\n\n\n\n

            Ch\u00fang ta c\u00f3 th\u1ec3 pha tr\u1ed9n hai ngu\u1ed3n biogas n\u00e0y \u0111\u1ec3 \u0111\u1eb7t \u0111\u01b0\u1ee3c gi\u00e1 tr\u1ecb trung gian c\u1ee7a th\u00e0nh ph\u1ea7n CH4<\/sub>.<\/p>\n\n\n\n

            III. K\u1ebeT QU\u1ea2<\/strong>            H\u00ecnh 5 gi\u1edbi thi\u1ec7u s\u01a1 \u0111\u1ed3 nguy\u00ean l\u00fd b\u1ed9 t\u1ea1o h\u1ed7n h\u1ee3p \u0111\u01a1n gi\u1ea3n d\u00f9ng \u0111\u1ec3 cung c\u1ea5p biogas cho \u0111\u1ed9ng c\u01a1 th\u00ed nghi\u1ec7m. B\u01b0\u1edbm ga d\u00f9ng \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh l\u01b0\u1ee3ng h\u1ed7n h\u1ee3p biogas-kh\u00f4ng kh\u00ed n\u1ea1p v\u00e0o \u0111\u1ed9ng c\u01a1, do \u0111\u00f3 l\u00e0m thay \u0111\u1ed5i c\u00f4ng su\u1ea5t \u0111\u1ed9ng c\u01a1. Van biogas d\u00f9ng \u0111\u1ec3 ti\u1ebft l\u01b0u \u0111\u01b0\u1eddng cung c\u1ea5p biogas do \u0111\u00f3 l\u00e0m nhi\u1ec7m v\u1ee5 \u0111i\u1ec1u ch\u1ec9nh th\u00e0nh ph\u1ea7n h\u1ed7n h\u1ee3p.<\/p>\n\n\n\n

            H\u00ecnh 6 bi\u1ec3u di\u1ec5n \u0111\u01b0\u1eddng \u0111\u1eb7c t\u00ednh ngo\u00e0i c\u1ee7a \u0111\u1ed9ng c\u01a1 trong 2 tr\u01b0\u1eddng h\u1ee3p: tr\u01b0\u1eddng h\u1ee3p c\u1ed1 \u0111\u1ecbnh \u0111\u1ed9 m\u1edf van cung c\u1ea5p biogas v\u00e0 tr\u01b0\u1eddng h\u1ee3p \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 m\u1edf van cung c\u1ea5p biogas \u0111\u1ec3 \u0111\u1ea1t th\u00e0nh ph\u1ea7n h\u1ed7n h\u1ee3p t\u1ed1i \u01b0u \u1edf m\u1ed7i ch\u1ebf \u0111\u1ed9 t\u1ed1c \u0111\u1ed9 cho tr\u01b0\u1edbc. Nhi\u00ean li\u1ec7u biogas ch\u1ee9a 78% CH4<\/sub>, g\u00f3c \u0111\u00e1nh l\u1eeda s\u1edbm \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh js<\/sub>=40\u00b0.<\/p>\n\n\n\n

\"\"\/<\/figure>\n\n\n\n

            Trong tr\u01b0\u1eddng h\u1ee3p \u0111\u1ed9 m\u1edf van cung c\u1ea5p biogas c\u1ed1 \u0111\u1ecbnh, theo nguy\u00ean l\u00fd c\u1ee7a b\u1ed9 ch\u1ebf h\u00f2a kh\u00ed \u0111\u01a1n gi\u1ea3n, \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o th\u00e0nh ph\u1ea7n h\u1ed7n h\u1ee3p t\u1ed1i \u01b0u v\u00f9ng t\u1ea3i th\u1ea5p th\u00ec \u1edf v\u00f9ng t\u1ea3i cao th\u00e0nh ph\u1ea7n h\u1ed7n h\u1ee3p s\u1ebd \u0111\u1eadm \u0111\u1eb7c, l\u00e0m x\u1ea5u \u0111i qu\u00e1 t\u00ecnh ch\u00e1y do \u0111\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00f4ng su\u1ea5t \u0111\u1ed9ng c\u01a1. K\u1ebft qu\u1ea3 tr\u00ean h\u00ecnh  cho th\u1ea5y khi c\u00f4ng su\u1ea5t \u0111\u1ed9ng c\u01a1 nh\u1ecf h\u01a1n 10HP, th\u00e0nh ph\u1ea7n h\u1ed7n h\u1ee3p \u0111\u1ea3m b\u1ea3o cho \u0111\u1ed9ng c\u01a1 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t. V\u01b0\u1ee3t qu\u00e1 c\u00f4ng su\u1ea5t n\u00e0y, th\u00e0nh ph\u1ea7n h\u1ed7n h\u1ee3p tr\u1edf n\u00ean gi\u00e0u khi\u1ebfn cho c\u00f4ng su\u1ea5t \u0111\u1ed9ng c\u01a1 t\u0103ng ch\u1eadm.<\/p>\n\n\n\n

            Trong tr\u01b0\u1eddng h\u1ee3p th\u1ee9 hai, \u1ee9ng v\u1edbi m\u1ed7i ch\u1ebf \u0111\u1ed9 t\u1ed1c \u0111\u1ed9 \u0111\u1ed9ng c\u01a1 v\u00e0 v\u1ecb tr\u00ed b\u01b0\u1edbm ga cho tr\u01b0\u1edbc, van biogas \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh sao cho c\u00f4ng su\u1ea5t \u0111\u1ed9ng c\u01a1 \u0111\u1ea1t \u0111\u01b0\u1ee3c gi\u00e1 tr\u1ecb l\u1edbn nh\u1ea5t. \u0110\u01b0\u1eddng \u0111\u1eb7c t\u00ednh ngo\u00e0i khi \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 m\u1edf van biogas cao h\u01a1n \u0111\u01b0\u1eddng \u0111\u1eb7c t\u00ednh ngo\u00e0i trong tr\u01b0\u1eddng h\u1ee3p \u0111\u1ed9 m\u1edf van biogas c\u1ed1 \u0111\u1ecbnh. \u1ede v\u00f9ng t\u1ed1c \u0111\u1ed9 th\u1ea5p (n<1200 v\u00f2ng\/ph\u00fat) s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa 2 \u0111\u01b0\u1eddng \u0111\u1eb7c t\u00ednh ngo\u00e0i n\u00e0y kh\u00f4ng \u0111\u00e1ng k\u1ec3, nh\u01b0ng \u1edf v\u00f9ng t\u1ed1c \u0111\u1ed9 cao (n>2000 v\u00f2ng\/ph\u00fat), ch\u00eanh l\u1ec7ch c\u00f4ng su\u1ea5t c\u1ee7a hai \u0111\u01b0\u1eddng \u0111\u1eb7c t\u00ednh n\u00e0y l\u00ean \u0111\u1ebfn 30%.<\/p>\n\n\n\n

            Trong tr\u01b0\u1eddng h\u1ee3p biogas ch\u1ee9a 60% CH4<\/sub>, ch\u00fang ta c\u0169ng nh\u1eadn \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 t\u01b0\u01a1ng t\u1ef1 (h\u00ecnh 7). K\u1ebft qu\u1ea3 n\u00e0y cho th\u1ea5y b\u1ed9 ch\u1ebf h\u00f2a kh\u00ed \u0111\u01a1n gi\u1ea3n kh\u00f4ng ph\u00f9 h\u1ee3p \u0111\u1ec3 cung c\u1ea5p biogas cho \u0111\u1ed9ng c\u01a1 \u0111\u00e1nh l\u1eeda c\u01b0\u1ee1ng b\u1ee9c. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9ng c\u01a1 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t, ch\u00fang ta c\u1ea7n c\u00f3 c\u01a1 c\u1ea5u t\u00e1c \u0111\u1ed9ng \u0111\u1ed3ng th\u1eddi l\u00ean b\u01b0\u1edbm ga v\u00e0 van cung c\u1ea5p biogas. \u0110i\u1ec1u n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng trong thi\u1ebft k\u1ebf, ch\u1ebf t\u1ea1o b\u1ed9 ph\u1ee5 ki\u1ec7n GATEC 21 \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i \u0111\u1ed9ng c\u01a1 x\u0103ng th\u00e0nh \u0111\u1ed9ng c\u01a1 biogas [4], tr\u00ean c\u01a1 s\u1edf nghi\u00ean c\u1ee9u l\u00fd thuy\u1ebft v\u00e0 m\u00f4 h\u00ecnh h\u00f3a b\u1ed9 t\u1ea1o h\u1ed7n h\u1ee3p biogas-kh\u00f4ng kh\u00ed cho \u0111\u1ed9ng c\u01a1 \u0111\u00e1nh l\u1eeda c\u01b0\u1ee1ng b\u1ee9c [3].

            K\u1ebft qu\u1ea3 th\u1ef1c nghi\u1ec7m tr\u00ean cho th\u1ea5y c\u00f4ng su\u1ea5t c\u1ef1c \u0111\u1ea1i c\u1ee7a \u0111\u1ed9ng c\u01a1 Toyota 3Y khi ch\u1ea1y b\u1eb1ng biogas ch\u1ee9a 78% CH4<\/sub> \u1edf 3000 v\u00f2ng\/ph\u00fat l\u00e0 40HP. C\u00f4ng su\u1ea5t nguy\u00ean th\u1ee7y c\u1ee7a \u0111\u1ed9ng c\u01a1 khi ch\u1ea1y b\u1eb1ng x\u0103ng l\u00e0 63kW \u1edf 4600 v\u00f2ng\/ph\u00fat, t\u00ednh g\u1ea7n \u0111\u00fang \u0111\u1ed9ng c\u01a1 \u0111\u1ea1t c\u00f4ng su\u1ea5t 56 HP \u1edf 3000 v\u00f2ng\/ph\u00fat. Nh\u01b0 v\u1eady c\u00f4ng su\u1ea5t \u0111\u1ed9ng c\u01a1 gi\u1ea3m 28,57% khi chuy\u1ec3n sang ch\u1ea1y b\u1eb1ng biogas \u1edf 3000 v\u00f2ng\/ph\u00fat.<\/p>\n\n\n\n

            Khi \u0111\u1ed9ng c\u01a1 ch\u1ea1y b\u1eb1ng biogas ch\u1ee9a 60% CH4<\/sub> th\u00ec c\u00f4ng su\u1ea5t c\u1ef1c \u0111\u1ea1i \u0111\u1ea1t \u0111\u01b0\u1ee3c l\u00e0 33HP \u1edf t\u1ed1c \u0111\u1ed9 2500 v\u00f2ng\/ph\u00fat. \u1ede t\u1ed1c \u0111\u1ed9 n\u00e0y khi \u0111\u1ed9ng c\u01a1 ch\u1ea1y b\u1eb1ng x\u0103ng th\u00ec c\u00f4ng su\u1ea5t \u0111\u1ea1t \u0111\u01b0\u1ee3c l\u00e0 46HP. Nh\u01b0 v\u1eady khi chuy\u1ec3n sang ch\u1ea1y b\u1eb1ng biogas trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y c\u00f4ng su\u1ea5t \u0111\u1ed9ng c\u01a1 gi\u1ea3m kho\u1ea3ng 28%. T\u1ea1i v\u1ecb tr\u00ed t\u1ed1c \u0111\u1ed9 n\u00e0y, khi \u0111\u1ed9ng c\u01a1 ch\u1ea1y b\u1eb1ng biogas ch\u1ee9a 78% CH4<\/sub> th\u00ec c\u00f4ng su\u1ea5t gi\u1ea3m 22%.<\/p>\n\n\n\n

            Khi t\u1ed1c \u0111\u1ed9 \u0111\u1ed9ng c\u01a1 c\u00e0ng cao th\u00ec qu\u00e1 tr\u00ecnh ch\u00e1y trong \u0111\u1ed9ng c\u01a1 biogas c\u00e0ng k\u00e9m do t\u1ed1c \u0111\u1ed9 ch\u00e1y c\u1ee7a biogas th\u1ea5p. \u0110i\u1ec1u n\u00e0y d\u1eabn t\u1edbi m\u1ee9c \u0111\u1ed9 gi\u1ea3m c\u00f4ng su\u1ea5t \u0111\u1ed9ng c\u01a1 biogas t\u0103ng theo t\u1ed1c \u0111\u1ed9 so v\u1edbi khi ch\u1ea1y b\u1eb1ng x\u0103ng.<\/p>\n\n\n\n

            H\u00ecnh 8 so s\u00e1nh \u0111\u01b0\u1eddng \u0111\u1eb7c t\u00ednh ngo\u00e0i \u0111\u1ed9ng c\u01a1 Toyota 3Y khi ch\u1ea1y b\u1eb1ng biogas ch\u1ee9a 78% CH4<\/sub> v\u00e0 60% CH4<\/sub> trong tr\u01b0\u1eddng h\u1ee3p \u0111\u1ed9 m\u1edf van biogas \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o th\u00e0nh ph\u1ea7n h\u1ed7n h\u1ee3p t\u1ed1i \u01b0u. Khi biogas ch\u1ee9a 78% CH4<\/sub>, t\u1ed1c \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ef1c \u0111\u1ea1i c\u1ee7a \u0111\u1ed9ng c\u01a1 kho\u1ea3ng 3000 v\u00f2ng\/ph\u00fat; khi biogas ch\u1ee9a 60% CH4<\/sub>, t\u1ed1c \u0111\u1ed9 n\u00e0y \u0111\u1ea1t 2500 v\u00f2ng\/ph\u00fat. \u0110i\u1ec1u n\u00e0y cho th\u1ea5y t\u1ed1c \u0111\u1ed9 ch\u00e1y c\u1ee7a \u0111\u1ed9ng c\u01a1 gi\u1ea3m \u0111\u00e1ng k\u1ec3 khi th\u00e0nh ph\u1ea7n CO2<\/sub> trong biogas t\u0103ng.<\/p>\n\n\n\n

\"\"\/<\/figure>\n\n\n\n

            K\u1ebft qu\u1ea3 tr\u00ean h\u00ecnh 8 cho th\u1ea5y khi h\u00e0m l\u01b0\u1ee3ng CH4<\/sub> trong biogas t\u0103ng t\u1eeb 60% l\u00ean 78% th\u00ec c\u00f4ng su\u1ea5t ngo\u00e0i c\u1ee7a \u0111\u1ed9ng c\u01a1 t\u0103ng kho\u1ea3ng 10%.<\/p>\n\n\n\n

            Trong tr\u01b0\u1eddng h\u1ee3p \u0111\u1ed9 m\u1edf van biogas c\u1ed1 \u0111\u1ecbnh, m\u1ee9c \u0111\u1ed9 gi\u1ea3m c\u00f4ng su\u1ea5t c\u1ef1c \u0111\u1ea1i c\u1ee7a \u0111\u1ed9ng c\u01a1 ch\u1ea1y b\u1eb1ng biogas ch\u1ee9a 78% CH4<\/sub> v\u00e0 ch\u1ea1y b\u1eb1ng biogas ch\u1ee9a 60% CH4<\/sub> kho\u1ea3ng 8% (h\u00ecnh 9). \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u00fd gi\u1ea3i khi h\u00e0m l\u01b0\u1ee3ng CH4<\/sub> ch\u1ee9a trong biogas th\u1ea5p th\u00ec m\u1ee9c \u0111\u1ed9 t\u0103ng \u0111\u1ed9 \u0111\u1eadm \u0111\u1eb7c c\u1ee7a h\u1ed7n h\u1ee3p theo t\u1ea3i th\u1ea5p h\u01a1n so v\u1edbi tr\u01b0\u1eddng h\u1ee3p biogas ch\u1ee9a h\u00e0m l\u01b0\u1ee3ng CH4<\/sub> cao.<\/p>\n\n\n\n

\"\"\/<\/figure>\n\n\n\n
\"\"\/<\/figure>\n\n\n\n

            H\u00ecnh 10 gi\u1edbi thi\u1ec7u bi\u1ebfn thi\u00ean c\u00f4ng su\u1ea5t \u0111\u1ed9ng c\u01a1 Toyota 3Y khi ch\u1ea1y b\u1eb1ng biogas theo t\u1ed1c \u0111\u1ed9 \u1ee9ng v\u1edbi c\u00e1c v\u1ecb tr\u00ed \u0111\u1ed9 m\u1edf b\u01b0\u1edbm ga kh\u00e1c nhau. Biogas cung c\u1ea5p cho \u0111\u1ed9ng c\u01a1 ch\u1ee9a 60% CH4<\/sub>. G\u00f3c \u0111\u00e1nh l\u1eeda s\u1edbm \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh \u1edf js<\/sub>=40\u00b0. \u0110\u1ed9 m\u1edf van biogas kh\u00f4ng thay \u0111\u1ed5i. K\u1ebft qu\u1ea3 n\u00e0y cho th\u1ea5y \u0111\u1ed9 m\u1edf b\u01b0\u1edbm ga \u1ea3nh h\u01b0\u1edfng m\u1ea1nh \u0111\u1ebfn bi\u1ebfn thi\u00ean c\u00f4ng su\u1ea5t theo t\u1ed9c \u0111\u1ed9. Trong kho\u1ea3ng t\u1ed1c \u0111\u1ed9 1250 v\u00f2ng\/ph\u00fat \u0111\u1ebfn 2250 v\u00f2ng\/ph\u00fat \u0111\u01b0\u1eddng \u0111\u1eb7c t\u00ednh \u0111\u1ed9ng c\u01a1 b\u1ecb l\u00f5m xu\u1ed1ng ph\u00eda d\u01b0\u1edbi, c\u00f4ng su\u1ea5t kh\u00f4ng bi\u1ebfn thi\u00ean t\u1ec9 l\u1ec7 thu\u1eadn v\u1edbi t\u1ed1c \u0111\u1ed9. \u0110i\u1ec1u n\u00e0y m\u1ed9t m\u1eb7t l\u00e0 do th\u00e0nh ph\u1ea7n h\u1ed7n h\u1ee3p thay \u0111\u1ed5i khi t\u0103ng t\u1ea3i theo \u0111\u01b0\u1eddng \u0111\u1eb7c t\u00ednh c\u1ee7a b\u1ed9 ch\u1ebf h\u00f2a kh\u00ed \u0111\u01a1n gi\u1ea3n, v\u00e0 m\u1eb7t kh\u00e1c, khi t\u1ed1c \u0111\u1ed9 t\u0103ng, g\u00f3c \u0111\u00e1nh l\u1eeda s\u1edbm ban \u0111\u1ea7u kh\u00f4ng c\u00f2n ph\u00f9 h\u1ee3p.<\/p>\n\n\n\n

            Khi cho c\u01a1 c\u1ea5u \u0111i\u1ec1u ch\u1ec9nh g\u00f3c \u0111\u00e1nh l\u1eeda s\u1edbm ho\u1ea1t \u0111\u1ed9ng, g\u00f3c \u0111\u00e1nh l\u1eeda s\u1edbm thay \u0111\u1ed5i theo t\u1ed1c \u0111\u1ed9 \u0111\u1ed9ng c\u01a1 nh\u01b0 tr\u00ecnh b\u00e0y tr\u00ean h\u00ecnh 11. \u0110\u01b0\u1eddng \u0111\u1eb7c t\u00ednh ngo\u00e0i c\u1ee7a \u0111\u1ed9ng c\u01a1 khi ch\u1ea1y v\u1edbi biogas ch\u1ee9a 60% CH4<\/sub>, van biogas c\u1ed1 \u0111\u1ecbnh, \u1ee9ng v\u1edbi tr\u01b0\u1eddng h\u1ee3p g\u00f3c \u0111\u00e1nh l\u1eeda s\u1edbm c\u1ed1 \u0111\u1ecbnh v\u00e0 trong tr\u01b0\u1eddng h\u1ee3p g\u00f3c \u0111\u00e1nh l\u1eeda s\u1edbm bi\u1ebfn thi\u00ean theo t\u1ed1c \u0111\u1ed9 \u0111\u1ed9ng c\u01a1 \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u tr\u00ean h\u00ecnh 12. K\u1ebft qu\u1ea3 cho th\u1ea5y khi g\u00f3c \u0111\u00e1nh l\u1eeda s\u1edbm t\u0103ng theo t\u1ed1c \u0111\u1ed9 \u0111\u1ed9ng c\u01a1 th\u00ec \u0111\u01b0\u1eddng \u0111\u1eb7c t\u00ednh ngo\u00e0i \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 so v\u1edbi tr\u01b0\u1eddng h\u1ee3p g\u00f3c \u0111\u00e1nh l\u1eeda s\u1edbm c\u1ed1 \u0111\u1ecbnh.<\/p>\n\n\n\n

III. K\u1ebeT LU\u1eacN<\/strong>–        Khi chuy\u1ec3n \u0111\u1ed9ng c\u01a1 x\u0103ng c\u1ee7a ph\u01b0\u01a1ng ti\u1ec7n v\u1eadn t\u1ea3i th\u00e0nh \u0111\u1ed9ng c\u01a1 t\u0129nh t\u1ea1i ch\u1ea1y b\u1eb1ng biogas th\u00ec t\u1ed1c \u0111\u1ed9 c\u1ef1c \u0111\u1ea1i c\u1ee7a \u0111\u1ed9ng c\u01a1 gi\u1ea3m. M\u1ee9c \u0111\u1ed9 gi\u1ea3m t\u1ed1c \u0111\u1ed9 c\u1ef1c \u0111\u1ea1i n\u00e0y c\u00e0ng cao \u0111\u1ed1i v\u1edbi biogas c\u00f3 th\u00e0nh th\u00e0nh CH4<\/sub> c\u00e0ng th\u1ea5p.
–        M\u1ee9c \u0111\u1ed9 gi\u1ea3m c\u00f4ng su\u1ea5t \u0111\u1ed9ng c\u01a1 Toyota 3Y khi chuy\u1ec3n sang ch\u1ea1y b\u1eb1ng biogas \u1ee9ng v\u1edbi v\u1ecb tr\u00ed t\u1ed1c \u0111\u1ed9 \u0111\u1ecbnh m\u1ee9c sau khi c\u1ea3i t\u1ea1o n\u1eb1m trong kho\u1ea3ng t\u1eeb 20% (\u0111\u1ed1i v\u1edbi biogas gi\u00e0u) v\u00e0 30% (\u0111\u1ed1i v\u1edbi biogas ngh\u00e8o)
–        Khi th\u00e0nh ph\u1ea7n CH4<\/sub> trong biogas t\u0103ng t\u1eeb 60% l\u00ean 78% th\u00ec c\u00f4ng su\u1ea5t c\u1ef1c \u0111\u1ea1i \u0111\u1ed9ng c\u01a1 t\u0103ng 8%
–        \u0110\u1ec3 n\u00e2ng cao t\u00ednh n\u0103ng c\u1ee7a \u0111\u1ed9ng c\u01a1, c\u1ea7n c\u00f3 c\u01a1 c\u1ea5u thay \u0111\u1ed5i g\u00f3c \u0111\u00e1nh l\u1eeda s\u1edbm theo t\u1ed1c \u0111\u1ed9.
–        \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o th\u00e0nh ph\u1ea7n h\u1ed7n h\u1ee3p biogas-kh\u00f4ng kh\u00ed t\u1ed1i \u01b0u cung c\u1ea5p cho \u0111\u1ed9ng c\u01a1, b\u1ed9 ph\u1eadn \u0111i\u1ec1u ch\u1ec9nh t\u1ea3i \u0111\u1ed9ng c\u01a1 c\u1ea7n t\u00e1c \u0111\u1ed9ng \u0111\u1ed3ng th\u1eddi l\u00ean b\u01b0\u1edbm h\u1ed7n h\u1ee3p v\u00e0 van cung c\u1ea5p biogas.<\/p>\n\n\n\n

T\u00c0I LI\u1ec6U THAM KH\u1ea2O<\/strong>1.    Klaus von Mitzlaff: Engines for Biogas<\/em>. Deutsche Gesellschaft f\u00fcr Technische Zusammenarbeit (GTZ) GmbH, 1988
2.    James L. Walsh, Charles C. Ross, Micheal S. Smith: Handbook on Biogas utilization<\/em>. US Department of Energy, 1988
3.     B\u00f9i V\u0103n Ga, Tr\u1ea7n V\u0103n Nam, L\u00ea Xu\u00e2n Th\u1ea1ch:M\u00f4 ph\u1ecfng d\u00f2ng ch\u1ea3y qua b\u1ed9 t\u1ea1o h\u1ed7n h\u1ee3p \u0111\u1ed9ng c\u01a1 biogas \u0111\u00e1nh l\u1eeda c\u01b0\u1ee1ng b\u1ee9c b\u1eb1ng ph\u1ea7n m\u1ec1m Fluent<\/em>. T\u1ea1p ch\u00ed Khoa h\u1ecdc v\u00e0 C\u00f4ng ngh\u1ec7 c\u00e1c Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc K\u1ef9 thu\u1eadt s\u1ed1 80-2011, pp. 134-138
4.     B\u00f9i V\u0103n Ga:B\u1eb1ng \u0111\u1ed9c quy\u1ec1n s\u00e1ng ch\u1ebf s\u1ed1 9562 \u201cH\u1ec7 th\u1ed1ng cung c\u1ea5p nhi\u00ean li\u1ec7u biogas cho \u0111\u1ed9ng c\u01a1 t\u0129nh t\u1ea1i ch\u1ea1y b\u1eb1ng hai nhi\u00ean li\u1ec7u biogas-x\u0103ng\u201d. <\/em>C\u1ee5c S\u1edf h\u1eefu tr\u00ed tu\u1ec7, <\/em>16-08-2011


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

T\u00cdNH N\u0102NG \u0110\u1ed8NG C\u01a0 TOYOTA 3Y CH\u1ea0Y B\u1eb0NG BIOGAS              B\u00e0i b\u00e1o tr\u00ecnh b\u00e0y k\u1ebft qu\u1ea3 \u0111o c\u00f4ng su\u1ea5t \u0111\u1ed9ng c\u01a1 \u0111\u00e1nh l\u1eeda c\u01b0\u1ee1ng b\u1ee9c ch\u1ea1y b\u1eb1ng biogas \u0111\u01b0\u1ee3c c\u1ea3i t\u1ea1o t\u1eeb \u0111\u1ed9ng c\u01a1 \u00f4 t\u00f4 Toyota 3Y. Th\u1ef1c nghi\u1ec7m \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh tr\u00ean hi\u1ec7n tr\u01b0\u1eddng, t\u1ea1i n\u01a1i s\u1ea3n xu\u1ea5t biogas v\u1edbi b\u0103ng th\u1eed th\u1ee7y l\u1ef1c […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[55,56],"tags":[],"class_list":["post-2778","post","type-post","status-publish","format-standard","hentry","category-nghien-cuu-2","category-research"],"acf":[],"yoast_head":"\nT\u00ednh n\u0103ng \u0110\u1ed9ng c\u01a1 Biogas \u0111\u00e1nh l\u1eeda c\u01b0\u1ee1ng b\u1ee9c - \u0110\u1ed9ng c\u01a1 Biogas<\/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:\/\/dongcobiogas.com\/en\/tinh-nang-dong-co-biogas-danh-lua-cuong-buc\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"T\u00ednh n\u0103ng \u0110\u1ed9ng c\u01a1 Biogas \u0111\u00e1nh l\u1eeda c\u01b0\u1ee1ng b\u1ee9c - \u0110\u1ed9ng c\u01a1 Biogas\" \/>\n<meta property=\"og:description\" content=\"T\u00cdNH N\u0102NG \u0110\u1ed8NG C\u01a0 TOYOTA 3Y CH\u1ea0Y B\u1eb0NG BIOGAS              B\u00e0i b\u00e1o tr\u00ecnh b\u00e0y k\u1ebft qu\u1ea3 \u0111o c\u00f4ng su\u1ea5t \u0111\u1ed9ng c\u01a1 \u0111\u00e1nh l\u1eeda c\u01b0\u1ee1ng b\u1ee9c ch\u1ea1y b\u1eb1ng biogas \u0111\u01b0\u1ee3c c\u1ea3i t\u1ea1o t\u1eeb \u0111\u1ed9ng c\u01a1 \u00f4 t\u00f4 Toyota 3Y. Th\u1ef1c nghi\u1ec7m \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh tr\u00ean hi\u1ec7n tr\u01b0\u1eddng, t\u1ea1i n\u01a1i s\u1ea3n xu\u1ea5t biogas v\u1edbi b\u0103ng th\u1eed th\u1ee7y l\u1ef1c […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/dongcobiogas.com\/en\/tinh-nang-dong-co-biogas-danh-lua-cuong-buc\/\" \/>\n<meta property=\"og:site_name\" content=\"\u0110\u1ed9ng c\u01a1 Biogas\" \/>\n<meta property=\"article:published_time\" content=\"2024-10-04T18:58:20+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-10-04T18:58:22+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/dongcobiogas.com\/wp-content\/uploads\/2024\/10\/20_image001.jpg\" \/>\n<meta name=\"author\" content=\"Admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"19 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/dongcobiogas.com\/en\/tinh-nang-dong-co-biogas-danh-lua-cuong-buc\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/dongcobiogas.com\/en\/tinh-nang-dong-co-biogas-danh-lua-cuong-buc\/\"},\"author\":{\"name\":\"Admin\",\"@id\":\"https:\/\/dongcobiogas.com\/#\/schema\/person\/8f3046af101633a8b09c457b428b2a43\"},\"headline\":\"T\u00ednh n\u0103ng \u0110\u1ed9ng c\u01a1 Biogas \u0111\u00e1nh l\u1eeda c\u01b0\u1ee1ng b\u1ee9c\",\"datePublished\":\"2024-10-04T18:58:20+00:00\",\"dateModified\":\"2024-10-04T18:58:22+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/dongcobiogas.com\/en\/tinh-nang-dong-co-biogas-danh-lua-cuong-buc\/\"},\"wordCount\":3774,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/dongcobiogas.com\/#organization\"},\"image\":{\"@id\":\"https:\/\/dongcobiogas.com\/en\/tinh-nang-dong-co-biogas-danh-lua-cuong-buc\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/dongcobiogas.com\/wp-content\/uploads\/2024\/10\/20_image001.jpg\",\"articleSection\":[\"Nghi\u00ean c\u1ee9u\",\"Research\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/dongcobiogas.com\/en\/tinh-nang-dong-co-biogas-danh-lua-cuong-buc\/\",\"url\":\"https:\/\/dongcobiogas.com\/en\/tinh-nang-dong-co-biogas-danh-lua-cuong-buc\/\",\"name\":\"T\u00ednh n\u0103ng \u0110\u1ed9ng c\u01a1 Biogas \u0111\u00e1nh l\u1eeda c\u01b0\u1ee1ng b\u1ee9c - \u0110\u1ed9ng c\u01a1 Biogas\",\"isPartOf\":{\"@id\":\"https:\/\/dongcobiogas.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/dongcobiogas.com\/en\/tinh-nang-dong-co-biogas-danh-lua-cuong-buc\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/dongcobiogas.com\/en\/tinh-nang-dong-co-biogas-danh-lua-cuong-buc\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/dongcobiogas.com\/wp-content\/uploads\/2024\/10\/20_image001.jpg\",\"datePublished\":\"2024-10-04T18:58:20+00:00\",\"dateModified\":\"2024-10-04T18:58:22+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/dongcobiogas.com\/en\/tinh-nang-dong-co-biogas-danh-lua-cuong-buc\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/dongcobiogas.com\/en\/tinh-nang-dong-co-biogas-danh-lua-cuong-buc\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/dongcobiogas.com\/en\/tinh-nang-dong-co-biogas-danh-lua-cuong-buc\/#primaryimage\",\"url\":\"https:\/\/dongcobiogas.com\/wp-content\/uploads\/2024\/10\/20_image001.jpg\",\"contentUrl\":\"https:\/\/dongcobiogas.com\/wp-content\/uploads\/2024\/10\/20_image001.jpg\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/dongcobiogas.com\/en\/tinh-nang-dong-co-biogas-danh-lua-cuong-buc\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/dongcobiogas.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"T\u00ednh n\u0103ng \u0110\u1ed9ng c\u01a1 Biogas \u0111\u00e1nh l\u1eeda c\u01b0\u1ee1ng b\u1ee9c\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/dongcobiogas.com\/#website\",\"url\":\"https:\/\/dongcobiogas.com\/\",\"name\":\"\u0110\u1ed9ng c\u01a1 Biogas\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/dongcobiogas.com\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/dongcobiogas.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/dongcobiogas.com\/#organization\",\"name\":\"\u0110\u1ed9ng c\u01a1 Biogas\",\"url\":\"https:\/\/dongcobiogas.com\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/dongcobiogas.com\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/dongcobiogas.com\/wp-content\/uploads\/2024\/09\/logo2.png\",\"contentUrl\":\"https:\/\/dongcobiogas.com\/wp-content\/uploads\/2024\/09\/logo2.png\",\"width\":294,\"height\":90,\"caption\":\"\u0110\u1ed9ng c\u01a1 Biogas\"},\"image\":{\"@id\":\"https:\/\/dongcobiogas.com\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/dongcobiogas.com\/#\/schema\/person\/8f3046af101633a8b09c457b428b2a43\",\"name\":\"Admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/dongcobiogas.com\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/5edfa2692bdacc5e6ee805c626c50cb44cebb065f092d9a1067d89f74dacd326?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/5edfa2692bdacc5e6ee805c626c50cb44cebb065f092d9a1067d89f74dacd326?s=96&d=mm&r=g\",\"caption\":\"Admin\"},\"url\":\"https:\/\/dongcobiogas.com\/en\/author\/admin\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"T\u00ednh n\u0103ng \u0110\u1ed9ng c\u01a1 Biogas \u0111\u00e1nh l\u1eeda c\u01b0\u1ee1ng b\u1ee9c - \u0110\u1ed9ng c\u01a1 Biogas","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/dongcobiogas.com\/en\/tinh-nang-dong-co-biogas-danh-lua-cuong-buc\/","og_locale":"en_US","og_type":"article","og_title":"T\u00ednh n\u0103ng \u0110\u1ed9ng c\u01a1 Biogas \u0111\u00e1nh l\u1eeda c\u01b0\u1ee1ng b\u1ee9c - \u0110\u1ed9ng c\u01a1 Biogas","og_description":"T\u00cdNH N\u0102NG \u0110\u1ed8NG C\u01a0 TOYOTA 3Y CH\u1ea0Y B\u1eb0NG BIOGAS              B\u00e0i b\u00e1o tr\u00ecnh b\u00e0y k\u1ebft qu\u1ea3 \u0111o c\u00f4ng su\u1ea5t \u0111\u1ed9ng c\u01a1 \u0111\u00e1nh l\u1eeda c\u01b0\u1ee1ng b\u1ee9c ch\u1ea1y b\u1eb1ng biogas \u0111\u01b0\u1ee3c c\u1ea3i t\u1ea1o t\u1eeb \u0111\u1ed9ng c\u01a1 \u00f4 t\u00f4 Toyota 3Y. Th\u1ef1c nghi\u1ec7m \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh tr\u00ean hi\u1ec7n tr\u01b0\u1eddng, t\u1ea1i n\u01a1i s\u1ea3n xu\u1ea5t biogas v\u1edbi b\u0103ng th\u1eed th\u1ee7y l\u1ef1c […]","og_url":"https:\/\/dongcobiogas.com\/en\/tinh-nang-dong-co-biogas-danh-lua-cuong-buc\/","og_site_name":"\u0110\u1ed9ng c\u01a1 Biogas","article_published_time":"2024-10-04T18:58:20+00:00","article_modified_time":"2024-10-04T18:58:22+00:00","og_image":[{"url":"https:\/\/dongcobiogas.com\/wp-content\/uploads\/2024\/10\/20_image001.jpg","type":"","width":"","height":""}],"author":"Admin","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Admin","Est. reading time":"19 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/dongcobiogas.com\/en\/tinh-nang-dong-co-biogas-danh-lua-cuong-buc\/#article","isPartOf":{"@id":"https:\/\/dongcobiogas.com\/en\/tinh-nang-dong-co-biogas-danh-lua-cuong-buc\/"},"author":{"name":"Admin","@id":"https:\/\/dongcobiogas.com\/#\/schema\/person\/8f3046af101633a8b09c457b428b2a43"},"headline":"T\u00ednh n\u0103ng \u0110\u1ed9ng c\u01a1 Biogas \u0111\u00e1nh l\u1eeda c\u01b0\u1ee1ng b\u1ee9c","datePublished":"2024-10-04T18:58:20+00:00","dateModified":"2024-10-04T18:58:22+00:00","mainEntityOfPage":{"@id":"https:\/\/dongcobiogas.com\/en\/tinh-nang-dong-co-biogas-danh-lua-cuong-buc\/"},"wordCount":3774,"commentCount":0,"publisher":{"@id":"https:\/\/dongcobiogas.com\/#organization"},"image":{"@id":"https:\/\/dongcobiogas.com\/en\/tinh-nang-dong-co-biogas-danh-lua-cuong-buc\/#primaryimage"},"thumbnailUrl":"https:\/\/dongcobiogas.com\/wp-content\/uploads\/2024\/10\/20_image001.jpg","articleSection":["Nghi\u00ean c\u1ee9u","Research"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/dongcobiogas.com\/en\/tinh-nang-dong-co-biogas-danh-lua-cuong-buc\/","url":"https:\/\/dongcobiogas.com\/en\/tinh-nang-dong-co-biogas-danh-lua-cuong-buc\/","name":"T\u00ednh n\u0103ng \u0110\u1ed9ng c\u01a1 Biogas \u0111\u00e1nh l\u1eeda c\u01b0\u1ee1ng b\u1ee9c - \u0110\u1ed9ng c\u01a1 Biogas","isPartOf":{"@id":"https:\/\/dongcobiogas.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/dongcobiogas.com\/en\/tinh-nang-dong-co-biogas-danh-lua-cuong-buc\/#primaryimage"},"image":{"@id":"https:\/\/dongcobiogas.com\/en\/tinh-nang-dong-co-biogas-danh-lua-cuong-buc\/#primaryimage"},"thumbnailUrl":"https:\/\/dongcobiogas.com\/wp-content\/uploads\/2024\/10\/20_image001.jpg","datePublished":"2024-10-04T18:58:20+00:00","dateModified":"2024-10-04T18:58:22+00:00","breadcrumb":{"@id":"https:\/\/dongcobiogas.com\/en\/tinh-nang-dong-co-biogas-danh-lua-cuong-buc\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/dongcobiogas.com\/en\/tinh-nang-dong-co-biogas-danh-lua-cuong-buc\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/dongcobiogas.com\/en\/tinh-nang-dong-co-biogas-danh-lua-cuong-buc\/#primaryimage","url":"https:\/\/dongcobiogas.com\/wp-content\/uploads\/2024\/10\/20_image001.jpg","contentUrl":"https:\/\/dongcobiogas.com\/wp-content\/uploads\/2024\/10\/20_image001.jpg"},{"@type":"BreadcrumbList","@id":"https:\/\/dongcobiogas.com\/en\/tinh-nang-dong-co-biogas-danh-lua-cuong-buc\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/dongcobiogas.com\/"},{"@type":"ListItem","position":2,"name":"T\u00ednh n\u0103ng \u0110\u1ed9ng c\u01a1 Biogas \u0111\u00e1nh l\u1eeda c\u01b0\u1ee1ng b\u1ee9c"}]},{"@type":"WebSite","@id":"https:\/\/dongcobiogas.com\/#website","url":"https:\/\/dongcobiogas.com\/","name":"\u0110\u1ed9ng c\u01a1 Biogas","description":"","publisher":{"@id":"https:\/\/dongcobiogas.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/dongcobiogas.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/dongcobiogas.com\/#organization","name":"\u0110\u1ed9ng c\u01a1 Biogas","url":"https:\/\/dongcobiogas.com\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/dongcobiogas.com\/#\/schema\/logo\/image\/","url":"https:\/\/dongcobiogas.com\/wp-content\/uploads\/2024\/09\/logo2.png","contentUrl":"https:\/\/dongcobiogas.com\/wp-content\/uploads\/2024\/09\/logo2.png","width":294,"height":90,"caption":"\u0110\u1ed9ng c\u01a1 Biogas"},"image":{"@id":"https:\/\/dongcobiogas.com\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/dongcobiogas.com\/#\/schema\/person\/8f3046af101633a8b09c457b428b2a43","name":"Admin","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/dongcobiogas.com\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/5edfa2692bdacc5e6ee805c626c50cb44cebb065f092d9a1067d89f74dacd326?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/5edfa2692bdacc5e6ee805c626c50cb44cebb065f092d9a1067d89f74dacd326?s=96&d=mm&r=g","caption":"Admin"},"url":"https:\/\/dongcobiogas.com\/en\/author\/admin\/"}]}},"_links":{"self":[{"href":"https:\/\/dongcobiogas.com\/en\/wp-json\/wp\/v2\/posts\/2778","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dongcobiogas.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dongcobiogas.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dongcobiogas.com\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/dongcobiogas.com\/en\/wp-json\/wp\/v2\/comments?post=2778"}],"version-history":[{"count":1,"href":"https:\/\/dongcobiogas.com\/en\/wp-json\/wp\/v2\/posts\/2778\/revisions"}],"predecessor-version":[{"id":2795,"href":"https:\/\/dongcobiogas.com\/en\/wp-json\/wp\/v2\/posts\/2778\/revisions\/2795"}],"wp:attachment":[{"href":"https:\/\/dongcobiogas.com\/en\/wp-json\/wp\/v2\/media?parent=2778"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dongcobiogas.com\/en\/wp-json\/wp\/v2\/categories?post=2778"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dongcobiogas.com\/en\/wp-json\/wp\/v2\/tags?post=2778"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}