{"id":2728,"date":"2024-10-04T18:57:39","date_gmt":"2024-10-04T18:57:39","guid":{"rendered":"https:\/\/dongcobiogas.com\/?p=2728"},"modified":"2024-10-04T18:57:41","modified_gmt":"2024-10-04T18:57:41","slug":"tinh-nang-dong-co-dual-fuel-biogas-diesel","status":"publish","type":"post","link":"https:\/\/dongcobiogas.com\/en\/tinh-nang-dong-co-dual-fuel-biogas-diesel\/","title":{"rendered":"T\u00ednh n\u0103ng \u0110\u1ed9ng c\u01a1 Dual Fuel Biogas-Diesel"},"content":{"rendered":"\n

T\u00cdNH N\u0102NG \u0110\u1ed8NG C\u01a0 NHI\u00caN LI\u1ec6U K\u00c9P<\/strong>

BIOGAS-DIESEL<\/strong>
<\/p>\n\n\n\n

            Th\u1ef1c nghi\u1ec7m \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh tr\u00ean hi\u1ec7n tr\u01b0\u1eddng v\u1edbi \u0111\u1ed9ng c\u01a1 nhi\u00ean li\u1ec7u k\u00e9p biogas-diesel \u0111\u01b0\u1ee3c c\u1ea3i t\u1ea1o t\u1eeb \u0111\u1ed9ng c\u01a1 diesel Vikyno EV2400 v\u00e0 b\u0103ng th\u1eed c\u00f4ng su\u1ea5t FROUDE. Th\u00e0nh ph\u1ea7n CH4 trong biogas  thay \u0111\u1ed5i t\u1eeb 65% \u0111\u1ebfn 91%.

            K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u cho th\u1ea5y \u1edf ch\u1ebf \u0111\u1ed9 1400 v\u00f2ng\/ph\u00fat, c\u00f4ng su\u1ea5t c\u1ef1c \u0111\u1ea1i c\u1ee7a \u0111\u1ed9ng c\u01a1 nhi\u00ean li\u1ec7u k\u00e9p b\u1eaft \u0111\u1ea7u v\u01b0\u1ee3t c\u00f4ng su\u1ea5t c\u1ef1c \u0111\u1ea1i c\u1ee7a \u0111\u1ed9ng c\u01a1 diesel khi th\u00e0nh ph\u1ea7n CH4<\/sub> trong biogas l\u1edbn h\u01a1n 85%. Khi t\u1ed1c \u0111\u1ed9 \u0111\u1ed9ng c\u01a1 t\u0103ng, \u0111\u1ed9ng c\u01a1 nhi\u00ean li\u1ec7u k\u00e9p c\u00f3 c\u00f4ng su\u1ea5t v\u01b0\u1ee3t \u0111\u1ed9ng c\u01a1 diesel \u1ee9ng v\u1edbi biogas ngh\u00e8o h\u01a1n. Khi t\u1ed1c \u0111\u1ed9 \u0111\u1ed9ng c\u01a1 l\u1edbn h\u01a1n 1800 v\u00f2ng\/ph\u00fat, c\u00f4ng su\u1ea5t \u0111\u1ed9ng c\u01a1 nhi\u00ean li\u1ec7u k\u00e9p l\u1edbn h\u01a1n c\u00f4ng su\u1ea5t \u0111\u1ed9ng c\u01a1 diesel \u1ee9ng v\u1edbi th\u00e0nh ph\u1ea7n CH4<\/sub> trong biogas kho\u1ea3ng 50%-60%. K\u1ebft qu\u1ea3 n\u00e0y cho th\u1ea5y, \u1edf ch\u1ebf \u0111\u1ed9 t\u1ed1c \u0111\u1ed9 \u0111\u1ecbnh m\u1ee9c c\u1ee7a \u0111\u1ed9ng c\u01a1 nhi\u00ean li\u1ec7u k\u00e9p, ch\u00fang ta c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng biogas ngh\u00e8o, kh\u00f4ng c\u1ea7n l\u1ecdc CO2<\/sub>, m\u00e0 v\u1eabn \u0111\u1ea3m b\u1ea3o \u0111\u01b0\u1ee3c c\u00f4ng su\u1ea5t c\u1ef1c \u0111\u1ea1i c\u1ee7a \u0111\u1ed9ng c\u01a1 nguy\u00ean th\u1ee7y tr\u01b0\u1edbc khi c\u1ea3i t\u1ea1o.

            \u0110\u1ed9ng c\u01a1 nhi\u00ean li\u1ec7u k\u00e9p ch\u1ea1y b\u1eb1ng biogas khi l\u00e0m vi\u1ec7c tr\u00ean \u0111\u01b0\u1eddng \u0111\u1eb7c t\u00ednh c\u1ee5c b\u1ed9 th\u00ec hi\u1ec7u qu\u1ea3 kinh t\u1ebf th\u1ea5p. Th\u1ef1c nghi\u1ec7m cho th\u1ea5y khi \u0111\u1ed9 m\u1edf b\u01b0\u1edbm ga 100% th\u00ec su\u1ea5t ti\u00eau hao nhi\u00ean li\u1ec7u diesel c\u1ee7a \u0111\u1ed9ng c\u01a1 nhi\u00ean li\u1ec7u k\u00e9p thay \u0111\u1ed5i t\u1eeb 12,5% (\u1edf v\u00f9ng t\u1ed1c \u0111\u1ed9 th\u1ea5p) l\u00ean \u0111\u1ebfn 15,5% (\u1edf v\u00f9ng t\u1ed1c \u0111\u1ed9 cao), c\u00f2n khi \u0111\u1ed9 m\u1edf b\u01b0\u1edbm ga l\u00e0 70% th\u00ec t\u1ef7 l\u1ec7 n\u00e0y thay \u0111\u1ed5i t\u1eeb 15% \u0111\u1ebfn 19%.<\/p>\n\n\n\n

\n\n\n\n

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

           Trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng trong th\u1ef1c t\u1ebf, \u0111\u1ed9ng c\u01a1 nhi\u00ean li\u1ec7u k\u00e9p biogas-diesel th\u1ec3 hi\u1ec7n nhi\u1ec1u \u01b0u \u0111i\u1ec3m. Tr\u01b0\u1edbc h\u1ebft l\u00e0 vi\u1ec7c c\u1ea3i t\u1ea1o \u0111\u01a1n gi\u1ea3n h\u01a1n vi\u1ec7c chuy\u1ec3n \u0111\u1ed9ng c\u01a1 diesel th\u00e0nh \u0111\u1ed9ng c\u01a1 biogas \u0111\u00e1nh l\u1eeda c\u01b0\u1ee1ng b\u1ee9c. Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y ch\u1ec9 c\u1ea7n l\u1eafp th\u00eam b\u1ed9 ph\u1ee5 ki\u1ec7n GATEC 20 l\u00ean \u0111\u1ed9ng c\u01a1 diesel nguy\u00ean th\u1ee7y l\u00e0 n\u00f3 c\u00f3 th\u1ec3 ch\u1ea1y b\u1eb1ng biogas [1]. M\u1eb7t kh\u00e1c, \u0111\u1ed9ng c\u01a1 nhi\u00ean li\u1ec7u k\u00e9p biogas-diesel \u0111\u01b0\u1ee3c c\u1ea3i t\u1ea1o theo c\u00f4ng ngh\u1ec7 GATEC c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng l\u1ea1i nhi\u00ean li\u1ec7u diesel khi c\u1ea7n thi\u1ebft m\u00e0 kh\u00f4ng c\u1ea7n s\u1ef1 can thi\u1ec7p k\u1ef9 thu\u1eadt n\u00e0o. \u0110i\u1ec1u n\u00e0y r\u1ea5t c\u00f3 l\u1ee3i \u0111\u1ed1i v\u1edbi nh\u1eefng n\u01a1i c\u00f3 qui m\u00f4 s\u1ea3n xu\u1ea5t biogas c\u1ee1 nh\u1ecf \u0111\u1ec3 t\u1eadn d\u1ee5ng biogas c\u00f3 s\u1eb5n cung c\u1ea5p cho \u0111\u1ed9ng c\u01a1 v\u00e0 khi h\u1ebft biogas, \u0111\u1ed9ng c\u01a1 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng l\u1ea1i d\u1ea7u diesel [4].

           Tuy nhi\u00ean, khi chuy\u1ec3n sang ch\u1ea1y b\u1eb1ng nhi\u00ean li\u1ec7u k\u00e9p, ch\u00fang ta ph\u1ea3i phun m\u1ed9t l\u01b0\u1ee3ng nhi\u00ean li\u1ec7u diesel m\u1ed3i t\u1ed1i thi\u1ec3u \u0111\u1ec3 \u0111\u00e1nh l\u1eeda v\u00e0 l\u00e0m m\u00e1t v\u00f2i phun. \u0110i\u1ec1u n\u00e0y l\u00e0m gi\u1ea3m t\u00ednh kinh t\u1ebf c\u1ee7a \u0111\u1ed9ng c\u01a1 biogas [2] nh\u01b0ng gi\u00fap ch\u00fang ta c\u00f3 th\u00eam m\u1ed9t ph\u01b0\u01a1ng \u00e1n \u0111i\u1ec1u ch\u1ec9nh c\u00f4ng su\u1ea5t \u0111\u1ed9ng c\u01a1 khi l\u00e0m vi\u1ec7c v\u1edbi biogas ngh\u00e8o. Ch\u00fang ta c\u00f3 th\u1ec3 duy tr\u00ec c\u00f4ng su\u1ea5t \u0111\u1ed9ng c\u01a1 nhi\u00ean li\u1ec7u k\u00e9p biogas-diesel b\u1eb1ng c\u00f4ng su\u1ea5t \u0111\u1ecbnh m\u1ee9c c\u1ee7a \u0111\u1ed9ng c\u01a1 diesel tr\u01b0\u1edbc khi c\u1ea3i t\u1ea1o. Do \u0111\u00f3 vi\u1ec7c v\u1eadn h\u00e0nh m\u00e1y c\u00f4ng t\u00e1c c\u1ee7a h\u1ec7 th\u1ed1ng kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi s\u1ef1 chuy\u1ec3n \u0111\u1ed5i nhi\u00ean li\u1ec7u.

           Qu\u00e1 tr\u00ecnh ch\u00e1y trong \u0111\u1ed9ng c\u01a1 nhi\u00ean li\u1ec7u k\u00e9p biogas-diesel \u0111\u00e3 \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p m\u00f4 h\u00ecnh h\u00f3a [3]. Trong ph\u1ea7n sau \u0111\u00e2y ch\u00fang t\u00f4i s\u1ebd tr\u00ecnh b\u00e0y k\u1ebft qu\u1ea3 th\u1ef1c nghi\u1ec7m \u0111o c\u00f4ng su\u1ea5t \u0111\u1ed9ng c\u01a1 nhi\u00ean li\u1ec7u k\u00e9p biogas-diesel \u0111\u01b0\u1ee3c c\u1ea3i t\u1ea1o t\u1eeb \u0111\u1ed9ng c\u01a1 diesel Vikyno EV2400.<\/p>\n\n\n\n

2. B\u1ed1 tr\u00ed th\u00ed nghi\u1ec7m<\/strong><\/p>\n\n\n\n

           \u0110\u1ed9ng c\u01a1 Vikyno EV2400 \u0111\u01b0\u1ee3c c\u1ea3i t\u1ea1o th\u00e0nh \u0111\u1ed9ng c\u01a1 nhi\u00ean li\u1ec7u k\u00e9p biogas-diesel. B\u01b0\u1edbm ga cung c\u1ea5p biogas cho \u0111\u1ed9ng c\u01a1 \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n t\u1ef1 \u0111\u1ed9ng nh\u1edd servo moteur nh\u1eadn t\u00edn hi\u1ec7u t\u1eeb m\u00e1y t\u00ednh (h\u00ecnh 1). L\u01b0\u1ee3ng phun diesel t\u1ed1i thi\u1ec3u \u0111\u1ec3 \u0111\u00e1nh l\u1eeda v\u00e0 l\u00e0m m\u00e1t v\u00f2i phun \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh nh\u1edd m\u1ed9t v\u00edt h\u1ea1n ch\u1ebf b\u1eaft tr\u00ean th\u00e2n m\u00e1y (h\u00ecnh 2).<\/p>\n\n\n\n

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

 
           \u0110\u1ed9ng c\u01a1 sau khi c\u1ea3i t\u1ea1o \u0111\u01b0\u1ee3c l\u1eafp l\u00ean h\u1ec7 th\u1ed1ng \u0111o l\u1ef1c v\u1edbi b\u0103ng th\u1eed th\u1ee7y l\u1ef1c FROUDE \u0111\u1eb7t tr\u00ean b\u1ec7 m\u00e1y di \u0111\u1ed9ng (h\u00ecnh 3). Nh\u1edd h\u1ec7 th\u1ed1ng n\u00e0y ch\u00fang ta c\u00f3 th\u1ec3 di chuy\u1ec3n h\u1ec7 th\u1ed1ng th\u1eed nghi\u1ec7m \u0111\u1ebfn n\u01a1i cung c\u1ea5p biogas ph\u00f9 h\u1ee3p \u0111\u1ec3 ti\u1ebfn h\u00e0nh th\u00ed nghi\u1ec7m. T\u00edn hi\u1ec7u nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc l\u00e0m m\u00e1t, t\u1ed1c \u0111\u1ed9 \u0111\u1ed9ng c\u01a1, l\u1ef1c v\u00e0 v\u1ecb tr\u00ed \u0111\u1ed9 m\u1edf b\u01b0\u1edbm ga \u0111\u01b0\u1ee3c chuy\u1ec3n v\u00e0o b\u1ed9 nh\u1edb m\u00e1y t\u00ednh nh\u1edd card bi\u1ebfn \u0111\u1ed5i A\/D. H\u1ec7 th\u1ed1ng \u0111o \u0111\u01b0\u1ee3c chu\u1ea9n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o gi\u00e1 tr\u1ecb ban \u0111\u1ea7u c\u1ee7a c\u1ea3m bi\u1ebfn l\u1ef1c b\u1eb1ng 0 v\u00e0 s\u1eb5n s\u00e0ng ch\u1ea1y th\u1eed nghi\u1ec7m. M\u00e0n h\u00ecnh m\u00e1y t\u00ednh hi\u1ec3n th\u1ecb c\u00e1c th\u00f4ng s\u1ed1 \u0111o nh\u01b0 h\u00ecnh 4.<\/p>\n\n\n\n

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


          Th\u00ed nghi\u1ec7m \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh tr\u01b0\u1edbc ti\u00ean b\u1eb1ng vi\u1ec7c \u0111o su\u1ea5t ti\u00eau hao nhi\u00ean li\u1ec7u diesel t\u1ed1i thi\u1ec3u theo t\u1ed1c \u0111\u1ed9 \u0111\u1ed9ng c\u01a1. H\u1ec7 th\u1ed1ng cung c\u1ea5p nhi\u00ean li\u1ec7u diesel \u0111\u01b0\u1ee3c n\u1ed1i v\u1edbi m\u1ed9t t\u00fai ch\u1ee9a nhi\u00ean li\u1ec7u \u0111\u1eb7t tr\u00ean c\u00e2n \u0111i\u1ec7n t\u1eed. K\u1ebft h\u1ee3p gi\u1eefa th\u1eddi gian, t\u1ed1c \u0111\u1ed9 v\u00e0 c\u00f4ng su\u1ea5t \u0111\u1ed9ng c\u01a1, ch\u00fang ta c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c su\u1ea5t ti\u00eau hao nhi\u00ean li\u1ec7u diesel. Khi chuy\u1ec3n sang ch\u1ea1y b\u1eb1ng biogas theo ph\u01b0\u01a1ng ph\u00e1p nhi\u00ean li\u1ec7u k\u00e9p, ch\u00fang ta \u0111i\u1ec1u ch\u1ec9nh v\u00edt h\u1ea1n ch\u1ebf l\u01b0\u1ee3ng phun t\u1ed1i thi\u1ec3u sao cho l\u01b0\u1ee3ng phun diesel n\u1eb1m trong kho\u1ea3ng t\u1eeb 10% \u0111\u1ebfn 20% so v\u1edbi khi \u0111\u1ed9ng c\u01a1 ch\u1ea1y ho\u00e0n to\u00e0n b\u1eb1ng diesel.

            Kh\u00ed biogas \u0111\u01b0\u1ee3c cung c\u1ea5p t\u1eeb hai ngu\u1ed3n:

–        Ngu\u1ed3n \u0111i qua l\u1ecdc h\u1ea5p ph\u1ee5 b\u1eb1ng bentonite \u0111\u1ec3 l\u1ecdc H2<\/sub>S: H\u00e0m l\u01b0\u1ee3ng CH4<\/sub> trung b\u00ecnh trong biogas kho\u1ea3ng 60% v\u00e0 h\u00e0m l\u01b0\u1ee3ng H2<\/sub>S kho\u1ea3ng 100ppm
–        Ngu\u1ed3n qua l\u1ecdc h\u1ea5p th\u1ee5 b\u1eb1ng NaOH \u0111\u1ec3 l\u1ecdc \u0111\u1ed3ng th\u1eddi H2<\/sub>S v\u00e0 CO2<\/sub>: H\u00e0m l\u01b0\u1ee3ng CH4<\/sub> trung b\u00ecnh trong biogas kho\u1ea3ng 91% v\u00e0 h\u00e0m l\u01b0\u1ee3ng H2<\/sub>S trung b\u00ecnh kho\u1ea3ng 10ppm

         Hai ngu\u1ed3n nhi\u00ean li\u1ec7u n\u00e0y \u0111\u01b0\u1ee3c pha tr\u1ed9n \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c gi\u00e1 tr\u1ecb n\u1ed3ng \u0111\u1ed9 CH4<\/sub> trung gian gi\u1eefa 60% v\u00e0 91%, ch\u00fang ta pha tr\u1ed9n hai ngu\u1ed3n kh\u00ed n\u00e0y theo c\u00e1c t\u1ec9 l\u1ec7 kh\u00e1c nhau. Tr\u01b0\u1edbc khi k\u1ebft n\u1ed1i t\u00fai ch\u1ee9a biogas v\u00e0o h\u1ec7 th\u1ed1ng n\u1ea1p nhi\u00ean li\u1ec7u \u0111\u1ed9ng c\u01a1, ch\u00fang ta ti\u1ebfn h\u00e0nh ph\u00e2n t\u00edch th\u00e0nh ph\u1ea7n nhi\u00ean li\u1ec7u biogas (h\u00ecnh 5).<\/p>\n\n\n\n

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

3. K\u1ebft qu\u1ea3 v\u00e0 b\u00ecnh lu\u1eadn<\/strong><\/p>\n\n\n\n

            H\u00ecnh 6 gi\u1edbi thi\u1ec7u \u0111\u01b0\u1eddng \u0111\u1eb7c t\u00ednh ngo\u00e0i \u0111\u1ed9ng c\u01a1 EV2400 cho b\u1edfi nh\u00e0 ch\u1ebf t\u1ea1o khi ch\u1ea1y b\u1eb1ng diesel v\u00e0 \u0111\u01b0\u1eddng \u0111\u1eb7c t\u00ednh ngo\u00e0i \u0111\u1ed9ng c\u01a1 nhi\u00ean li\u1ec7u k\u00e9p s\u1eed d\u1ee5ng biogas c\u00f3 th\u00e0nh ph\u1ea7n CH4<\/sub> kh\u00e1c nhau. Trong th\u1ef1c t\u1ebf s\u1eed d\u1ee5ng, c\u00f4ng su\u1ea5t c\u1ef1c \u0111\u1ea1i c\u1ee7a \u0111\u1ed9ng c\u01a1 \u0111\u1ea1t \u0111\u01b0\u1ee3c khi b\u1eaft \u0111\u1ea7u hi\u1ec7n t\u01b0\u1ee3ng nh\u1ea3 kh\u00f3i \u0111en \u1ee9ng v\u1edbi ch\u1ebf \u0111\u1ed9 t\u1ed1c \u0111\u1ed9 v\u00e0 ch\u1ebf \u0111\u1ed9 t\u1ea3i cho tr\u01b0\u1edbc. H\u00ecnh 6 cho th\u1ea5y c\u00f4ng su\u1ea5t c\u1ef1c \u0111\u1ea1i c\u1ee7a \u0111\u1ed9ng c\u01a1 th\u1ef1c t\u1ebf nh\u1ecf h\u01a1n c\u00f4ng su\u1ea5t c\u1ef1c \u0111\u1ea1i cho b\u1edfi nh\u00e0 ch\u1ebf t\u1ea1o. Hai \u0111\u01b0\u1eddng c\u00f4ng su\u1ea5t n\u00e0y ti\u1ebfn l\u1ea1i g\u1ea7n nhau khi \u0111\u1ed9ng c\u01a1 \u0111\u1ea1t ch\u1ebf \u0111\u1ed9 t\u1ed1c \u0111\u1ed9 \u0111\u1ecbnh m\u1ee9c.
 
           Khi chuy\u1ec3n sang ch\u1ea1y \u1edf ch\u1ebf \u0111\u1ed9 nhi\u00ean li\u1ec7u k\u00e9p, ch\u00fang ta duy tr\u00ec m\u1ed9t l\u01b0\u1ee3ng phun nhi\u00ean li\u1ec7u t\u1ed1i thi\u1ec3u \u0111\u1ec3 \u0111\u00e1nh l\u1eeda v\u00e0 l\u00e0m m\u00e1t v\u00f2i phun. Do l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed d\u01b0 c\u1ee7a \u0111\u1ed9ng c\u01a1 diesel l\u1edbn n\u00ean khi chuy\u1ec3n sang l\u00e0m vi\u1ec7c ch\u1ebf \u0111\u1ed9 nhi\u00ean li\u1ec7u k\u00e9p, h\u1ec7 s\u1ed1 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng c\u1ee7a h\u1ed7n h\u1ee3p c\u00f3 th\u1ec3 l\u1edbn h\u01a1n khi l\u00e0m vi\u1ec7c v\u1edbi nhi\u00ean li\u1ec7u diesel. \u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn c\u00f4ng su\u1ea5t \u0111\u1ed9ng c\u01a1 nhi\u00ean li\u1ec7u k\u00e9p c\u00f3 th\u1ec3 l\u1edbn h\u01a1n c\u00f4ng su\u1ea5t c\u1ee7a \u0111\u1ed9ng c\u01a1 n\u00e0y khi ch\u1ea1y ho\u00e0n to\u00e0n b\u1eb1ng diesel.
           
            Nhi\u00ean li\u1ec7u biogas c\u00f3 th\u00e0nh ph\u1ea7n CH4<\/sub> c\u00e0ng cao th\u00ec c\u00f4ng su\u1ea5t c\u1ef1c \u0111\u1ea1i \u1ee9ng v\u1edbi m\u1ed9t t\u1ed1c \u0111\u1ed9 cho tr\u01b0\u1edbc c\u00e0ng cao v\u00e0 v\u1ecb tr\u00ed t\u1ed1c \u0111\u1ed9 m\u00e0 \u1edf \u0111\u00f3 c\u00f4ng su\u1ea5t \u0111\u1ed9ng c\u01a1 nhi\u00ean li\u1ec7u k\u00e9p b\u1eaft \u0111\u1ea7u l\u1edbn h\u01a1n c\u00f4ng su\u1ea5t \u0111\u1ed9ng c\u01a1 diesel c\u00e0ng d\u1ecbch v\u1ec1 ph\u00eda tay tr\u00e1i<\/p>\n\n\n\n

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

  
           H\u00ecnh 7 tr\u00ecnh b\u00e0y k\u1ebft qu\u1ea3 so s\u00e1nh c\u00f4ng su\u1ea5t ngo\u00e0i \u0111\u1ed9ng c\u01a1 EV2400 cho b\u1edfi nh\u00e0 ch\u1ebf t\u1ea1o khi ch\u1ea1y b\u1eb1ng diesel v\u00e0 c\u00f4ng su\u1ea5t \u0111\u1ed9ng c\u01a1 nhi\u00ean li\u1ec7u k\u00e9p s\u1eed d\u1ee5ng biogas v\u1edbi th\u00e0nh ph\u1ea7n CH4<\/sub> thay \u0111\u1ed5i \u1edf c\u00e1c ch\u1ebf \u0111\u1ed9 t\u1ed1c \u0111\u1ed9 kh\u00e1c nhau. \u1ede ch\u1ebf \u0111\u1ed9 1400 v\u00f2ng\/ph\u00fat c\u00f4ng su\u1ea5t ngo\u00e0i \u0111\u1ed9ng c\u01a1 nhi\u00ean li\u1ec7u k\u00e9p b\u1eaft \u0111\u1ea7u \u0111\u1ea1t c\u00f4ng su\u1ea5t ngo\u00e0i c\u1ee7a \u0111\u1ed9ng c\u01a1 diesel khi th\u00e0nh ph\u1ea7n CH4<\/sub> trong biogas l\u1edbn h\u01a1n 85%. T\u01b0\u01a1ng t\u1ef1 nh\u01b0 v\u1eady, \u1edf ch\u1ebf \u0111\u1ed9 t\u1ed1c \u0111\u1ed9 1600 v\u00f2ng\/ph\u00fat, c\u00f4ng su\u1ea5t \u0111\u1ed9ng c\u01a1 nhi\u00ean li\u1ec7u k\u00e9p b\u1eaft \u0111\u1ea7u v\u01b0\u1ee3t c\u00f4ng su\u1ea5t \u0111\u1ed9ng c\u01a1 diesel khi th\u00e0nh ph\u1ea7n CH4<\/sub> trong nhi\u00ean li\u1ec7u biogas l\u1edbn h\u01a1n 73%. Khi t\u1ed1c \u0111\u1ed9 \u0111\u1ed9ng c\u01a1 l\u1edbn h\u01a1n 1800 v\u00f2ng\/ph\u00fat, c\u00f4ng su\u1ea5t \u0111\u1ed9ng c\u01a1 nhi\u00ean li\u1ec7u k\u00e9p l\u1edbn h\u01a1n c\u00f4ng su\u1ea5t \u0111\u1ed9ng c\u01a1 diesel \u1ee9ng v\u1edbi th\u00e0nh ph\u1ea7n CH4<\/sub> trong biogas r\u1ea5t th\u1ea5p, kho\u1ea3ng 50%-60%.
 
           K\u1ebft qu\u1ea3 n\u00e0y cho th\u1ea5y, \u1edf ch\u1ebf \u0111\u1ed9 t\u1ed1c \u0111\u1ed9 \u0111\u1ecbnh m\u1ee9c c\u1ee7a \u0111\u1ed9ng c\u01a1 nhi\u00ean li\u1ec7u k\u00e9p, ch\u00fang ta c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng biogas ngh\u00e8o, kh\u00f4ng c\u1ea7n l\u1ecdc CO2<\/sub>, m\u00e0 v\u1eabn \u0111\u1ea3m b\u1ea3o \u0111\u01b0\u1ee3c c\u00f4ng su\u1ea5t c\u1ef1c \u0111\u1ea1i c\u1ee7a \u0111\u1ed9ng c\u01a1 nguy\u00ean th\u1ee7y tr\u01b0\u1edbc khi c\u1ea3i t\u1ea1o.

          H\u00ecnh 8 v\u00e0 h\u00ecnh 9 gi\u1edbi thi\u1ec7u \u1ea3nh h\u01b0\u1edfng c\u1ee7a \u0111\u1ed9 m\u1edf b\u01b0\u1edbm ga \u0111\u1ebfn \u0111\u01b0\u1ee3c \u0111\u1eb7c t\u00ednh c\u1ee7a \u0111\u1ed9ng c\u01a1 nhi\u00ean li\u1ec7u k\u00e9p. Vi\u1ec7c \u0111\u00f3ng m\u1edf b\u01b0\u1edbm ga l\u00e0m thay \u0111\u1ed5i l\u01b0u l\u01b0\u1ee3ng biogas cung c\u1ea5p cho \u0111\u1ed9ng c\u01a1 ngh\u0129a l\u00e0 thay \u0111\u1ed5i h\u1ec7 s\u1ed1 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng f. V\u1ecb tr\u00ed 100% \u0111\u1ed9 m\u1edf b\u01b0\u1edbm ga t\u01b0\u01a1ng \u1ee9ng v\u1edbi gi\u00e1 tr\u1ecb f=1. Khi b\u01b0\u1edbm ga \u0111\u00f3ng ho\u00e0n to\u00e0n, \u0111\u1ed9ng c\u01a1 nhi\u00ean li\u1ec7u k\u00e9p ch\u1ea1y kh\u00f4ng t\u1ea3i b\u1eb1ng diesel. K\u1ebft qu\u1ea3 cho th\u1ea5y trong c\u1ea3 hai tr\u01b0\u1eddng h\u1ee3p \u1ee9ng v\u1edbi th\u00e0nh ph\u1ea7n CH4<\/sub> trong biogas l\u00e0 65% (h\u00ecnh 8) hay 91% (h\u00ecnh 9), khi thay \u0111\u1ed5i v\u1ecb tr\u00ed b\u01b0\u1edbm ga, c\u00f4ng su\u1ea5t \u0111\u1ed9ng c\u01a1 thay \u0111\u1ed5i t\u1eeb \u0111\u01b0\u1eddng \u0111\u1eb7c t\u00ednh ngo\u00e0i \u0111\u1ebfn \u0111\u01b0\u1eddng \u0111\u1eb7c t\u00ednh kh\u00f4ng t\u1ea3i. T\u1ea1i c\u00e1c v\u1ecb tr\u00ed b\u01b0\u1edbm ga c\u1ee5c b\u1ed9 n\u00e0y, \u0111\u1ed9ng c\u01a1 \u0111\u1ec1u l\u00e0m vi\u1ec7c \u1ed5n \u0111\u1ecbnh.<\/p>\n\n\n\n

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

 
           K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u n\u00e0y cho ph\u00e9p ch\u00fang ta \u0111\u1ecbnh h\u01b0\u1edbng vi\u1ec7c nghi\u00ean c\u1ee9u \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed9ng c\u01a1 nhi\u00ean li\u1ec7u k\u00e9p v\u1ec1 ph\u00eda t\u00e1c \u0111\u1ed9ng thay \u0111\u1ed5i l\u01b0u l\u01b0\u1ee3ng biogas cung c\u1ea5p cho \u0111\u1ed9ng c\u01a1. \u0110\u00e2y l\u00e0 \u0111i\u1ec3m kh\u00e1c c\u01a1 b\u1ea3n v\u1edbi \u0111\u1ed9ng c\u01a1 biogas \u0111\u00e1nh l\u1eeda c\u01b0\u1ee1ng b\u1ee9c. N\u1ebfu ch\u00fang ta ti\u1ebft l\u01b0u h\u1ed7n h\u1ee3p nh\u01b0 trong tr\u01b0\u1eddng h\u1ee3p \u0111\u1ed9ng c\u01a1 \u0111\u00e1nh l\u1eeda c\u01b0\u1ee1ng b\u1ee9c th\u00ec c\u00f3 th\u1ec3 \u0111\u1ed9ng c\u01a1 nhi\u00ean li\u1ec7u k\u00e9p kh\u00f4ng l\u00e0m vi\u1ec7c \u0111\u01b0\u1ee3c v\u00ec khi ti\u1ebft l\u01b0u m\u1ea1nh, h\u1ed7n h\u1ee3p n\u1ea1p v\u00e0o xi lanh gi\u1ea3m, d\u1eabn \u0111\u1ebfn gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 cu\u1ed1i qu\u00e1 tr\u00ecnh n\u00e9n, h\u1eadu qu\u1ea3 l\u00e0 tia nhi\u00ean li\u1ec7u diesel kh\u00f4ng ch\u00e1y \u0111\u01b0\u1ee3c \u0111\u1ec3 \u0111\u00e1nh l\u1eeda.
 
            H\u00ecnh 10 gi\u1edbi thi\u1ec7u \u1ea3nh h\u01b0\u1edfng c\u1ee7a th\u00e0nh ph\u1ea7n CH4<\/sub> trong biogas \u0111\u1ebfn su\u1ea5t ti\u00eau hao nhi\u00ean li\u1ec7u diesel c\u1ee7a \u0111\u1ed9ng c\u01a1 nhi\u00ean li\u1ec7u k\u00e9p khi ch\u1ea1y tr\u00ean \u0111\u01b0\u1eddng \u0111\u1eb7c t\u00ednh ngo\u00e0i. K\u1ebft qu\u1ea3 n\u00e0y cho th\u1ea5y khi t\u1ed1c \u0111\u1ed9 \u0111\u1ed9ng c\u01a1 thay \u0111\u1ed5i t\u1eeb nmin<\/sub> \u0111\u1ebfn nmax<\/sub>, su\u1ea5t ti\u00eau hao nhi\u00ean li\u1ec7u t\u00ednh theo g\/HP.h h\u1ea7u nh\u01b0 kh\u00f4ng thay \u0111\u1ed5i. \u1ea2nh h\u01b0\u1edfng c\u1ee7a th\u00e0nh ph\u1ea7n CH4<\/sub> trong biogas \u0111\u1ebfn su\u1ea5t ti\u00eau hao nhi\u00ean li\u1ec7u diesel trong \u0111\u1ed9ng c\u01a1 nhi\u00ean li\u1ec7u k\u00e9p kh\u00f4ng \u0111\u00e1ng k\u1ec3.<\/p>\n\n\n\n

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

 
           Khi th\u00e0nh ph\u1ea7n CH4<\/sub> trong biogas th\u1ea5p, \u0111\u1ed9 m\u1edf b\u01b0\u1edbm ga \u1ea3nh h\u01b0\u1edfng m\u1ea1nh \u0111\u1ebfn su\u1ea5t ti\u00eau hao nhi\u00ean li\u1ec7u c\u1ee7a \u0111\u1ed9ng c\u01a1 nhi\u00ean li\u1ec7u k\u00e9p. H\u00ecnh 11 v\u00e0 h\u00ecnh 12 gi\u1edbi thi\u1ec7u su\u1ea5t ti\u00eau hao nhi\u00ean li\u1ec7u diesel c\u1ee7a \u0111\u1ed9ng c\u01a1 nhi\u00ean li\u1ec7u k\u00e9p khi \u0111\u1ed9 m\u1edf b\u01b0\u1edbm ga l\u00e0 100%, 50% v\u00e0 30%. \u1ee8ng v\u1edbi \u0111\u1ed9 m\u1edf b\u01b0\u1edbm ga 100%, su\u1ea5t ti\u00eau hao nhi\u00ean li\u1ec7u diesel thay \u0111\u1ed5i t\u1eeb 14% (\u1edf t\u1ed1c \u0111\u1ed9 th\u1ea5p) \u0111\u1ebfn 16% (\u1edf t\u1ed1c \u0111\u1ed9 cao) so v\u1edbi khi \u0111\u1ed9ng c\u01a1 ch\u1ea1y ho\u00e0n to\u00e0n b\u1eb1ng diesel. Khi \u0111\u00f3ng b\u01b0\u1edbm ga \u0111\u1ebfn 50% th\u00ec m\u1ee9c thay \u0111\u1ed5i t\u1ef7 l\u1ec7 n\u00e0y t\u1eeb 23% \u0111\u1ebfn 34%. Khi \u0111\u1ed9 m\u1edf b\u01b0\u1edbm ga c\u00f2n 30% th\u00ec su\u1ea5t ti\u00eau hao nhi\u00ean li\u1ec7u c\u1ee7a \u0111\u1ed9ng c\u01a1 nhi\u00ean li\u1ec7u k\u00e9p thay \u0111\u1ed5i t\u1eeb 30% (\u1edf v\u00f9ng t\u1ed1c \u0111\u1ed9 th\u1ea5p) \u0111\u1ebfn 45% (\u1edf v\u00f9ng t\u1ed1c \u0111\u1ed9 cao).
 
           V\u1ec1 m\u1eb7t l\u00fd thuy\u1ebft khi c\u1ea7n \u0111i\u1ec1u khi\u1ec3n b\u01a1m cao \u00e1p \u0111\u1ed9ng c\u01a1 ch\u1ea1m ch\u1ed1t h\u1ea1n ch\u1ebf nhi\u00ean li\u1ec7u t\u1ed1i thi\u1ec3u th\u00ec l\u01b0\u1ee3ng phun diesel \u1ee9ng v\u1edbi m\u1ed7i chu tr\u00ecnh l\u00e0 kh\u00f4ng \u0111\u1ed5i. Tuy nhi\u00ean khi t\u1ed1c \u0111\u1ed9 \u0111\u1ed9ng c\u01a1 t\u0103ng, do hi\u1ec7n t\u01b0\u1ee3ng ti\u1ebft l\u01b0u, l\u01b0\u1ee3ng nhi\u00ean li\u1ec7u cung c\u1ea5p cho m\u1ed7i chu tr\u00ecnh gia t\u0103ng m\u1ed9t t\u1ef7 l\u1ec7 nh\u1ea5t \u0111\u1ecbnh.<\/p>\n\n\n\n

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

 
            Khi \u0111\u1ed9ng c\u01a1 s\u1eed d\u1ee5ng nhi\u00ean li\u1ec7u biogas c\u00f3 th\u00e0nh ph\u1ea7n CH4<\/sub> cao th\u00ec \u0111\u1ed9 m\u1edf b\u01b0\u1edbm ga thay \u0111\u1ed5i trong ph\u1ea1m vi t\u1eeb 70% \u0111\u1ebfn 100% \u1ea3nh h\u01b0\u1edfng r\u1ea5t \u00edt \u0111\u1ebfn su\u1ea5t ti\u00eau hao nhi\u00ean li\u1ec7u diesel c\u1ee7a \u0111\u1ed9ng c\u01a1 nhi\u00ean li\u1ec7u k\u00e9p (h\u00ecnh 13 v\u00e0 h\u00ecnh 14). Khi \u0111\u1ed9 m\u1edf b\u01b0\u1edbm ga 100% th\u00ec su\u1ea5t ti\u00eau hao nhi\u00ean li\u1ec7u diesel c\u1ee7a \u0111\u1ed9ng c\u01a1 nhi\u00ean li\u1ec7u k\u00e9p thay \u0111\u1ed5i t\u1eeb 12,5% (\u1edf v\u00f9ng t\u1ed1c \u0111\u1ed9 th\u1ea5p) l\u00ean \u0111\u1ebfn 15,5% \u1edf v\u00f9ng t\u1ed1c \u0111\u1ed9 cao. C\u00f2n khi \u0111\u1ed9 m\u1edf b\u01b0\u1edbm ga l\u00e0 70% th\u00ec t\u1ef7 l\u1ec7 n\u00e0y thay \u0111\u1ed5i t\u1eeb 15% \u0111\u1ebfn 19%.

            K\u1ebft qu\u1ea3 n\u00e0y cho th\u1ea5y khi \u0111\u1ed9ng c\u01a1 nhi\u00ean li\u1ec7u k\u00e9p ch\u1ea1y b\u1eb1ng biogas l\u00e0m vi\u1ec7c tr\u00ean \u0111\u01b0\u1eddng \u0111\u1eb7c t\u00ednh c\u1ee5c b\u1ed9 th\u00ec hi\u1ec7u qu\u1ea3 kinh t\u1ebf th\u1ea5p.
<\/p>\n\n\n\n

4. K\u1ebft lu\u1eadn<\/strong><\/p>\n\n\n\n

    \n
  • C\u00f4ng su\u1ea5t \u0111\u1ecbnh m\u1ee9c c\u1ee7a \u0111\u1ed9ng c\u01a1 nhi\u00ean li\u1ec7u k\u00e9p c\u00f3 th\u1ec3 l\u1edbn h\u01a1n c\u00f4ng su\u1ea5t \u0111\u1ed9ng c\u01a1 diesel tr\u01b0\u1edbc khi c\u1ea3i t\u1ea1o. Khi t\u1ed1c \u0111\u1ed9 \u0111\u1ecbnh m\u1ee9c c\u1ee7a \u0111\u1ed9ng c\u01a1 t\u0103ng, \u0111\u1ed9ng c\u01a1 nhi\u00ean li\u1ec7u k\u00e9p c\u00f3 c\u00f4ng su\u1ea5t v\u01b0\u1ee3t \u0111\u1ed9ng c\u01a1 diesel \u1ee9ng v\u1edbi biogas ngh\u00e8o h\u01a1n.<\/li>\n\n\n\n
  • Khi t\u1ed1c \u0111\u1ed9 \u0111\u1ed9ng c\u01a1 l\u1edbn h\u01a1n 1800 v\u00f2ng\/ph\u00fat, c\u00f4ng su\u1ea5t \u0111\u1ed9ng c\u01a1 nhi\u00ean li\u1ec7u k\u00e9p l\u1edbn h\u01a1n c\u00f4ng su\u1ea5t \u0111\u1ed9ng c\u01a1 diesel \u1ee9ng v\u1edbi th\u00e0nh ph\u1ea7n CH4<\/sub>\u00a0trong biogas kho\u1ea3ng 50%-60%. Do \u0111\u00f3 \u1edf ch\u1ebf \u0111\u1ed9 t\u1ed1c \u0111\u1ed9 \u0111\u1ecbnh m\u1ee9c c\u1ee7a \u0111\u1ed9ng c\u01a1 nhi\u00ean li\u1ec7u k\u00e9p, ch\u00fang ta c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng biogas ngh\u00e8o, kh\u00f4ng c\u1ea7n l\u1ecdc CO2<\/sub>, m\u00e0 v\u1eabn \u0111\u1ea3m b\u1ea3o \u0111\u01b0\u1ee3c c\u00f4ng su\u1ea5t c\u1ef1c \u0111\u1ea1i c\u1ee7a \u0111\u1ed9ng c\u01a1 nguy\u00ean th\u1ee7y tr\u01b0\u1edbc khi c\u1ea3i t\u1ea1o.<\/li>\n\n\n\n
  • Khi l\u00e0m vi\u1ec7c tr\u00ean \u0111\u01b0\u1eddng \u0111\u1eb7c t\u00ednh c\u1ee5c b\u1ed9 th\u00ec hi\u1ec7u qu\u1ea3 kinh t\u1ebf c\u1ee7a \u0111\u1ed9ng c\u01a1 nhi\u00ean li\u1ec7u k\u00e9p th\u1ea5p. Khi \u0111\u1ed9 m\u1edf b\u01b0\u1edbm ga 100% th\u00ec su\u1ea5t ti\u00eau hao nhi\u00ean li\u1ec7u diesel c\u1ee7a \u0111\u1ed9ng c\u01a1 nhi\u00ean li\u1ec7u k\u00e9p thay \u0111\u1ed5i t\u1eeb 12,5% (\u1edf v\u00f9ng t\u1ed1c \u0111\u1ed9 th\u1ea5p) l\u00ean \u0111\u1ebfn 15,5% (\u1edf v\u00f9ng t\u1ed1c \u0111\u1ed9 cao), c\u00f2n khi \u0111\u1ed9 m\u1edf b\u01b0\u1edbm ga l\u00e0 70% th\u00ec t\u1ef7 l\u1ec7 n\u00e0y thay \u0111\u1ed5i t\u1eeb 15% \u0111\u1ebfn 19%.<\/li>\n<\/ul>\n\n\n\n

    T\u00e0i li\u1ec7u tham kh\u1ea3o<\/strong><\/p>\n\n\n\n

      \n
    1. Bui V\u0103n Ga, Nguy\u1ec5n Vi\u1ec7t H\u1ea3i, Nguy\u1ec5n Ho\u00e0ng Nguy\u00ean:\u00a0T\u00ednh to\u00e1n van cung c\u1ea5p h\u1ed7n h\u1ee3p biogas-kh\u00f4ng kh\u00ed cho \u0111\u1ed9ng c\u01a1 t\u1ef1 ch\u00e1y do n\u00e9n b\u1eb1ng ph\u1ea7n m\u1ec1m FLUENT<\/em>. T\u1ea1p ch\u00ed Khoa h\u1ecdc v\u00e0 C\u00f4ng ngh\u1ec7-\u0110\u1ea1i h\u1ecdc \u0110\u00e0 N\u1eb5ng, s\u1ed1 4(39)\/2010, pp. 88-95<\/li>\n\n\n\n
    2. B\u00f9i V\u0103n Ga, Tr\u1ea7n Thanh H\u1ea3i T\u00f9ng, L\u00ea Minh Ti\u1ebfn, L\u00ea Xu\u00e2n Th\u1ea1ch:\u00a0So s\u00e1nh hi\u1ec7u qu\u1ea3 kinh t\u1ebf c\u1ee7a c\u00e1c gi\u1ea3i ph\u00e1p c\u1ea3i t\u1ea1o \u0111\u1ed9ng c\u01a1 ch\u1ea1y b\u1eb1ng x\u0103ng d\u1ea7u sang ch\u1ea1y b\u1eb1ng biogas<\/em>. H\u1ed9i ngh\u1ecb C\u01a1 h\u1ecdc Th\u1ee7y Kh\u00ed to\u00e0n qu\u1ed1c, Qui Nh\u01a1n, 22-24\/7\/2010, pp.185-192<\/li>\n\n\n\n
    3. B\u00f9i V\u0103n Ga, Tr\u1ea7n V\u0103n Nam, L\u00ea Minh Ti\u1ebfn:\u00a0M\u00f4 ph\u1ecfng qu\u00e1 tr\u00ecnh ch\u00e1y dual fuel biogas-diesel.\u00a0<\/em>T\u1ea1p Ch\u00ed Giao Th\u00f4ng V\u1eadn T\u1ea3i, s\u1ed1 4\/2011, pp. 32-34<\/li>\n\n\n\n
    4. Ga Bui Van, Nam Tran Van, Xuan Nguyen Thi Thanh, Dong Nguyen Van, Thong Nguyen Minh:\u00a0Utilization of Poor Biogas in Biogas -Diesel Dual Fuel Engine<\/em>. Da Nang International Forum on Green Technology and Management-IFGTM 2011, Danang City on July 28-29, 2011, pp. 41-50<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"

      T\u00cdNH N\u0102NG \u0110\u1ed8NG C\u01a0 NHI\u00caN LI\u1ec6U K\u00c9P BIOGAS-DIESEL             Th\u1ef1c nghi\u1ec7m \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh tr\u00ean hi\u1ec7n tr\u01b0\u1eddng v\u1edbi \u0111\u1ed9ng c\u01a1 nhi\u00ean li\u1ec7u k\u00e9p biogas-diesel \u0111\u01b0\u1ee3c c\u1ea3i t\u1ea1o t\u1eeb \u0111\u1ed9ng c\u01a1 diesel Vikyno EV2400 v\u00e0 b\u0103ng th\u1eed c\u00f4ng su\u1ea5t FROUDE. Th\u00e0nh ph\u1ea7n CH4 trong biogas  thay \u0111\u1ed5i t\u1eeb 65% \u0111\u1ebfn 91%.             K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u […]<\/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-2728","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 Dual Fuel Biogas-Diesel - \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-dual-fuel-biogas-diesel\/\" \/>\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 Dual Fuel Biogas-Diesel - \u0110\u1ed9ng c\u01a1 Biogas\" \/>\n<meta property=\"og:description\" content=\"T\u00cdNH N\u0102NG \u0110\u1ed8NG C\u01a0 NHI\u00caN LI\u1ec6U K\u00c9P BIOGAS-DIESEL             Th\u1ef1c nghi\u1ec7m \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh tr\u00ean hi\u1ec7n tr\u01b0\u1eddng v\u1edbi \u0111\u1ed9ng c\u01a1 nhi\u00ean li\u1ec7u k\u00e9p biogas-diesel \u0111\u01b0\u1ee3c c\u1ea3i t\u1ea1o t\u1eeb \u0111\u1ed9ng c\u01a1 diesel Vikyno EV2400 v\u00e0 b\u0103ng th\u1eed c\u00f4ng su\u1ea5t FROUDE. 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