\u0110\u1ed9ng c\u01a1 diesel hi\u1ec7n \u0111\u1ea1i s\u1ea1ch h\u01a1n v\u00e0 hi\u1ec7u su\u1ea5t cao h\u01a1n bao gi\u1edd h\u1ebft, v\u00e0 m\u1ed9t b\u1ed9 ph\u1eadn quan tr\u1ecdng ch\u1ecbu tr\u00e1ch nhi\u1ec7m cho s\u1ef1 chuy\u1ec3n \u0111\u1ed5i n\u00e0y ch\u00ednh l\u00e0 B\u1ed9 l\u1ecdc h\u1ea1t diesel (DPF). B\u1ed9 ph\u1eadn thi\u1ebft y\u1ebfu n\u00e0y c\u1ee7a h\u1ec7 th\u1ed1ng x\u1ea3 xe \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong vi\u1ec7c gi\u1ea3m thi\u1ec3u kh\u00ed th\u1ea3i \u0111\u1ed9c h\u1ea1i v\u00e0 \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n m\u00f4i tr\u01b0\u1eddng. Tuy nhi\u00ean, nhi\u1ec1u ch\u1ee7 xe diesel ch\u01b0a hi\u1ec3u r\u00f5 DPF l\u00e0 g\u00ec, ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o v\u00e0 vi\u1ec7c b\u1ea3o d\u01b0\u1ee1ng ra sao. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd \u0111i s\u00e2u v\u00e0o m\u1ecdi kh\u00eda c\u1ea1nh c\u1ee7a b\u1ed9 l\u1ecdc h\u1ea1t diesel, t\u1eeb l\u1ecbch s\u1eed \u0111\u1ed9t ph\u00e1 \u0111\u1ebfn quy tr\u00ecnh t\u00e1i t\u1ea1o ph\u1ee9c t\u1ea1p, \u0111\u1ed3ng th\u1eddi cung c\u1ea5p nh\u1eefng m\u1eb9o thi\u1ebft y\u1ebfu \u0111\u1ec3 duy tr\u00ec ho\u1ea1t \u0111\u1ed9ng t\u1ed1i \u01b0u, gi\u00fap b\u1ea1n ti\u1ebft ki\u1ec7m chi ph\u00ed s\u1eeda ch\u1eefa v\u00e0 g\u00f3p ph\u1ea7n x\u00e2y d\u1ef1ng m\u1ed9t h\u00e0nh tinh xanh h\u01a1n.<\/p>\n\n\n\n
B\u1ed9 l\u1ecdc h\u1ea1t diesel (DPF) l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb t\u00edch h\u1ee3p v\u00e0o h\u1ec7 th\u1ed1ng x\u1ea3 c\u1ee7a xe diesel, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 thu gi\u1eef v\u00e0 lo\u1ea1i b\u1ecf c\u00e1c h\u1ea1t diesel, th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 b\u1ed3 h\u00f3ng, kh\u1ecfi kh\u00ed th\u1ea3i. H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng n\u00f3 nh\u01b0 m\u1ed9t c\u00e1i b\u1eaby c\u1ef1c k\u1ef3 tinh vi \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u00e1c h\u1ea1t \u0111\u1ed9c h\u1ea1i \u0111\u01b0\u1ee3c t\u1ea1o ra trong qu\u00e1 tr\u00ecnh \u0111\u1ed1t ch\u00e1y nhi\u00ean li\u1ec7u diesel. M\u1ee5c \u0111\u00edch ch\u00ednh c\u1ee7a DPF l\u00e0 gi\u1ea3m \u0111\u00e1ng k\u1ec3 l\u01b0\u1ee3ng kh\u00ed th\u1ea3i \u0111\u1ed9c h\u1ea1i th\u1ea3i ra kh\u00ed quy\u1ec3n, t\u1eeb \u0111\u00f3 gi\u1ea3m thi\u1ec3u \u00f4 nhi\u1ec5m kh\u00f4ng kh\u00ed. C\u00e1c b\u1ed9 l\u1ecdc n\u00e0y hi\u1ec7u qu\u1ea3 \u0111\u1ebfn m\u1ee9c c\u00f3 th\u1ec3 lo\u1ea1i b\u1ecf 85% ho\u1eb7c h\u01a1n b\u1ed3 h\u00f3ng, v\u00e0 trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, c\u00f3 th\u1ec3 \u0111\u1ea1t hi\u1ec7u su\u1ea5t 100%. N\u1ebfu kh\u00f4ng c\u00f3 DPF, \u0111\u1ed9ng c\u01a1 diesel s\u1ebd th\u1ea3i ra m\u1ed9t \u0111\u00e1m kh\u00f3i \u0111en c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c, kh\u00f4ng ch\u1ec9 g\u00e2y m\u1ea5t th\u1ea9m m\u1ef9 m\u00e0 c\u00f2n g\u00e2y ra nh\u1eefng r\u1ee7i ro nghi\u00eam tr\u1ecdng cho s\u1ee9c kh\u1ecfe v\u00e0 m\u00f4i tr\u01b0\u1eddng.<\/p>\n\n\n\n
S\u1ef1 ra \u0111\u1eddi c\u1ee7a DPF \u0111\u00e3 t\u1ea1o n\u00ean b\u01b0\u1edbc ngo\u1eb7t cho \u0111\u1ed9ng c\u01a1 diesel, cho ph\u00e9p n\u00f3 \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n kh\u00ed th\u1ea3i ng\u00e0y c\u00e0ng nghi\u00eam ng\u1eb7t do c\u00e1c c\u01a1 quan qu\u1ea3n l\u00fd nh\u01b0 C\u01a1 quan B\u1ea3o v\u1ec7 M\u00f4i tr\u01b0\u1eddng Hoa K\u1ef3 (EPA) \u0111\u1eb7t ra. V\u1ec1 c\u01a1 b\u1ea3n, DPF \u0111\u00e3 bi\u1ebfn \u0111\u1ed9ng c\u01a1 diesel hi\u1ec7n \u0111\u1ea1i th\u00e0nh m\u1ed9t c\u00f4ng ngh\u1ec7 s\u1ea1ch h\u01a1n r\u1ea5t nhi\u1ec1u. N\u00f3 \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed v\u00e0 s\u1ee9c kh\u1ecfe c\u1ed9ng \u0111\u1ed3ng b\u1eb1ng c\u00e1ch gi\u1eef l\u1ea1i c\u00e1c h\u1ea1t g\u00e2y ung th\u01b0 v\u00e0 k\u00edch \u1ee9ng \u0111\u01b0\u1eddng h\u00f4 h\u1ea5p. B\u1eb1ng c\u00e1ch ng\u0103n ch\u1eb7n c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m c\u00f3 h\u1ea1i n\u00e0y x\u00e2m nh\u1eadp v\u00e0o kh\u00f4ng kh\u00ed ch\u00fang ta h\u00edt th\u1edf, DPF l\u00e0 m\u1ed9t b\u1ed9 ph\u1eadn kh\u00f4ng th\u1ec3 thi\u1ebfu cho b\u1ea5t k\u1ef3 lo\u1ea1i xe diesel hi\u1ec7n \u0111\u1ea1i n\u00e0o, g\u00f3p ph\u1ea7n x\u00e2y d\u1ef1ng m\u1ed9t ng\u00e0nh c\u00f4ng nghi\u1ec7p \u00f4 t\u00f4 b\u1ec1n v\u1eefng v\u00e0 th\u00e2n thi\u1ec7n h\u01a1n v\u1edbi m\u00f4i tr\u01b0\u1eddng.<\/p>\n\n\n\n
H\u00e0nh tr\u00ecnh c\u1ee7a b\u1ed9 l\u1ecdc h\u1ea1t diesel b\u1eaft \u0111\u1ea7u v\u00e0o nh\u1eefng n\u0103m 1970, \u0111\u01b0\u1ee3c th\u00fac \u0111\u1ea9y b\u1edfi m\u1ed1i lo ng\u1ea1i ng\u00e0y c\u00e0ng t\u0103ng v\u1ec1 t\u00e1c \u0111\u1ed9ng s\u1ee9c kh\u1ecfe c\u1ee7a vi\u1ec7c h\u00edt ph\u1ea3i c\u00e1c h\u1ea1t diesel. C\u00e1c kh\u00e1i ni\u1ec7m ban \u0111\u1ea7u v\u1ec1 l\u1ecdc h\u1ea1t cho kh\u00ed th\u1ea3i diesel xu\u1ea5t hi\u1ec7n v\u00e0o gi\u1eefa th\u1ebf k\u1ef7 20 khi nh\u1eefng t\u00e1c \u0111\u1ed9ng b\u1ea5t l\u1ee3i c\u1ee7a kh\u00ed th\u1ea3i diesel tr\u1edf n\u00ean r\u00f5 r\u00e0ng h\u01a1n. C\u00e1c phi\u00ean b\u1ea3n \u0111\u1ea7u ti\u00ean c\u1ee7a nh\u1eefng b\u1ed9 l\u1ecdc n\u00e0y r\u1ea5t th\u00f4 s\u01a1, th\u01b0\u1eddng d\u1ef1a v\u00e0o m\u00e0n h\u00ecnh l\u01b0\u1edbi c\u01a1 b\u1ea3n ho\u1eb7c v\u1eadt li\u1ec7u g\u1ed1m ch\u1ec9 c\u00f3 hi\u1ec7u qu\u1ea3 m\u1ed9t ph\u1ea7n trong vi\u1ec7c thu gi\u1eef c\u00e1c h\u1ea1t b\u1ed3 h\u00f3ng l\u1edbn h\u01a1n. C\u00e1c \u1ee9ng d\u1ee5ng th\u01b0\u01a1ng m\u1ea1i \u0111\u1ea7u ti\u00ean c\u1ee7a DPF xu\u1ea5t hi\u1ec7n v\u00e0o \u0111\u1ea7u nh\u1eefng n\u0103m 1980, v\u1edbi vi\u1ec7c Mercedes-Benz trang b\u1ecb nh\u1eefng thi\u1ebft b\u1ecb n\u00e0y cho m\u1ed9t s\u1ed1 xe \u00f4 t\u00f4 c\u1ee7a h\u1ecd \u0111\u01b0\u1ee3c b\u00e1n t\u1ea1i California v\u00e0o n\u0103m 1985. Tuy nhi\u00ean, nh\u1eefng b\u1ed9 l\u1ecdc x\u00fac t\u00e1c, t\u00e1i sinh th\u1ee5 \u0111\u1ed9ng ban \u0111\u1ea7u n\u00e0y \u0111\u00e3 ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi nh\u1eefng th\u00e1ch th\u1ee9c k\u1ef9 thu\u1eadt, bao g\u1ed3m vi\u1ec7c thi\u1ebfu \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc v\u00e0 c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 t\u1eafc ngh\u1ebdn, d\u1eabn \u0111\u1ebfn vi\u1ec7c ch\u00fang b\u1ecb r\u00fat kh\u1ecfi th\u1ecb tr\u01b0\u1eddng.<\/p>\n\n\n\n
Nh\u1eefng n\u0103m 1980 \u0111\u00e1nh d\u1ea5u m\u1ed9t b\u01b0\u1edbc ngo\u1eb7t quan tr\u1ecdng trong s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00f4ng ngh\u1ec7 DPF, v\u1edbi c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u t\u1eadp trung v\u00e0o c\u00e1c h\u1ec7 th\u1ed1ng l\u1ecdc tinh vi h\u01a1n. B\u1ed9 l\u1ecdc g\u1ed1m ph\u1ee7 ch\u1ea5t x\u00fac t\u00e1c n\u1ed5i l\u00ean nh\u01b0 m\u1ed9t gi\u1ea3i ph\u00e1p \u0111\u1ea7y h\u1ee9a h\u1eb9n, v\u00ec ch\u00fang kh\u00f4ng ch\u1ec9 c\u00f3 th\u1ec3 gi\u1eef l\u1ea1i c\u00e1c h\u1ea1t v\u1eadt ch\u1ea5t m\u00e0 c\u00f2n gi\u00fap chuy\u1ec3n \u0111\u1ed5i ch\u00fang th\u00e0nh c\u00e1c ch\u1ea5t \u00edt \u0111\u1ed9c h\u1ea1i h\u01a1n th\u00f4ng qua qu\u00e1 tr\u00ecnh oxy h\u00f3a. \u0110\u1ed9ng l\u1ef1c th\u1ef1c s\u1ef1 th\u00fac \u0111\u1ea9y vi\u1ec7c \u00e1p d\u1ee5ng DPF r\u1ed9ng r\u00e3i \u0111\u1ebfn t\u1eeb vi\u1ec7c ban h\u00e0nh c\u00e1c quy \u0111\u1ecbnh nghi\u00eam ng\u1eb7t h\u01a1n v\u1ec1 kh\u00ed th\u1ea3i, ch\u1eb3ng h\u1ea1n nh\u01b0 ti\u00eau chu\u1ea9n Euro 5 t\u1ea1i Ch\u00e2u \u00c2u v\u00e0o n\u0103m 2009, v\u1ec1 c\u01a1 b\u1ea3n \u0111\u00e3 b\u1eaft bu\u1ed9c ph\u1ea3i l\u1eafp \u0111\u1eb7t DPF cho c\u00e1c xe \u00f4 t\u00f4 ch\u1ea1y b\u1eb1ng d\u1ea7u diesel m\u1edbi. N\u0103m 2000, PSA Peugeot Citro\u00ebn tr\u1edf th\u00e0nh nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ea7u ti\u00ean \u0111\u01b0a b\u1ed9 l\u1ecdc th\u00e0nh ti\u00eau chu\u1ea9n tr\u00ean xe \u00f4 t\u00f4 ch\u1edf kh\u00e1ch \u0111\u1ec3 chu\u1ea9n b\u1ecb cho c\u00e1c quy \u0111\u1ecbnh trong t\u01b0\u01a1ng lai n\u00e0y. \u00c1p l\u1ef1c ph\u00e1p l\u00fd n\u00e0y \u0111\u00e3 th\u00fac \u0111\u1ea9y s\u1ef1 \u0111\u1ed5i m\u1edbi, d\u1eabn \u0111\u1ebfn c\u00e1c DPF hi\u1ec7u su\u1ea5t cao v\u00e0 b\u1ec1n b\u1ec9, l\u00e0 ti\u00eau chu\u1ea9n tr\u00ean c\u00e1c xe ch\u1ea1y b\u1eb1ng d\u1ea7u diesel ng\u00e0y nay.<\/p>\n\n\n\n
B\u1ed9 l\u1ecdc h\u1ea1t diesel ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch gi\u1eef l\u1ea1i c\u00e1c h\u1ea1t b\u1ed3 h\u00f3ng khi kh\u00ed th\u1ea3i t\u1eeb \u0111\u1ed9ng c\u01a1 \u0111i qua. B\u1ed9 l\u1ecdc DPF th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb v\u1eadt li\u1ec7u g\u1ed1m, ch\u1eb3ng h\u1ea1n nh\u01b0 cordierite ho\u1eb7c silicon carbide, v\u00e0 c\u00f3 c\u1ea5u tr\u00fac gi\u1ed1ng nh\u01b0 t\u1ed5 ong v\u1edbi c\u00e1c l\u1ed7 r\u1ed7ng si\u00eau nh\u1ecf. C\u1ea5u tr\u00fac n\u00e0y bu\u1ed9c kh\u00ed th\u1ea3i ph\u1ea3i \u0111i qua c\u00e1c th\u00e0nh x\u1ed1p c\u1ee7a b\u1ed9 l\u1ecdc, n\u01a1i thu gi\u1eef v\u00e0 l\u01b0u tr\u1eef c\u00e1c h\u1ea1t v\u1eadt ch\u1ea5t r\u1eafn. Kh\u00f4ng gi\u1ed1ng nh\u01b0 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c, v\u1ed1n l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb d\u00f2ng ch\u1ea3y, DPF l\u00e0 b\u1ed9 l\u1ecdc d\u00f2ng ch\u1ea3y th\u00e0nh, ngh\u0129a l\u00e0 n\u00f3 gi\u1eef l\u1ea1i c\u00e1c h\u1ea1t kh\u00ed th\u1ea3i l\u1edbn h\u01a1n trong khi v\u1eabn cho ph\u00e9p kh\u00ed tho\u00e1t ra ngo\u00e0i. Qu\u00e1 tr\u00ecnh l\u1ecdc n\u00e0y c\u1ef1c k\u1ef3 hi\u1ec7u qu\u1ea3, thu gi\u1eef m\u1ed9t ph\u1ea7n \u0111\u00e1ng k\u1ec3 mu\u1ed9i than \u0111\u1ed9c h\u1ea1i do \u0111\u1ed9ng c\u01a1 diesel t\u1ea1o ra.<\/p>\n\n\n\n
Theo th\u1eddi gian, mu\u1ed9i than t\u00edch t\u1ee5 b\u00ean trong b\u1ed9 l\u1ecdc, n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t, s\u1ebd d\u1eabn \u0111\u1ebfn t\u1eafc ngh\u1ebdn v\u00e0 t\u0103ng \u00e1p su\u1ea5t ng\u01b0\u1ee3c trong h\u1ec7 th\u1ed1ng x\u1ea3. \u00c1p su\u1ea5t ng\u01b0\u1ee3c n\u00e0y c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng ti\u00eau c\u1ef1c \u0111\u1ebfn hi\u1ec7u su\u1ea5t \u0111\u1ed9ng c\u01a1 v\u00e0 hi\u1ec7u su\u1ea5t nhi\u00ean li\u1ec7u. \u0110\u1ec3 ng\u0103n ch\u1eb7n \u0111i\u1ec1u n\u00e0y, DPF ph\u1ea3i tr\u1ea3i qua m\u1ed9t qu\u00e1 tr\u00ecnh g\u1ecdi l\u00e0 t\u00e1i sinh, trong \u0111\u00f3 mu\u1ed9i than thu \u0111\u01b0\u1ee3c s\u1ebd \u0111\u01b0\u1ee3c \u0111\u1ed1t ch\u00e1y \u1edf nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 chuy\u1ec3n \u0111\u1ed5i th\u00e0nh m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf tro v\u00e0 carbon dioxide v\u00f4 h\u1ea1i. C\u01a1 ch\u1ebf t\u1ef1 l\u00e0m s\u1ea1ch n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 DPF ti\u1ebfp t\u1ee5c ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 v\u00e0 l\u00e0 m\u1ed9t kh\u00eda c\u1ea1nh quan tr\u1ecdng trong thi\u1ebft k\u1ebf v\u00e0 v\u1eadn h\u00e0nh c\u1ee7a n\u00f3.<\/p>\n\n\n\n
T\u00e1i sinh DPF l\u00e0 qu\u00e1 tr\u00ecnh \u0111\u1ed1t ch\u00e1y mu\u1ed9i than t\u00edch t\u1ee5 \u0111\u00e3 b\u1ecb gi\u1eef l\u1ea1i b\u1edfi b\u1ed9 l\u1ecdc. \u0110\u00e2y l\u00e0 m\u1ed9t c\u01a1 ch\u1ebf t\u1ef1 l\u00e0m s\u1ea1ch quan tr\u1ecdng gi\u00fap ng\u0103n ng\u1eeba DPF b\u1ecb t\u1eafc ngh\u1ebdn, n\u1ebfu kh\u00f4ng s\u1ebd d\u1eabn \u0111\u1ebfn m\u1ea5t c\u00f4ng su\u1ea5t \u0111\u1ed9ng c\u01a1, gi\u1ea3m kh\u1ea3 n\u0103ng ti\u1ebft ki\u1ec7m nhi\u00ean li\u1ec7u v\u00e0 g\u00e2y ra h\u01b0 h\u1ecfng \u0111\u1ed9ng c\u01a1 t\u1ed1n k\u00e9m. Trong qu\u00e1 tr\u00ecnh t\u00e1i sinh, nhi\u1ec7t \u0111\u1ed9 kh\u00ed th\u1ea3i \u0111\u01b0\u1ee3c t\u0103ng l\u00ean \u0111\u1ee7 cao (\u00edt nh\u1ea5t 600\u00b0C) \u0111\u1ec3 \u0111\u1ed1t ch\u00e1y c\u00e1c h\u1ea1t mu\u1ed9i than b\u1ecb gi\u1eef l\u1ea1i, chuy\u1ec3n \u0111\u1ed5i ch\u00fang th\u00e0nh m\u1ed9t l\u01b0\u1ee3ng tro nh\u1ecf h\u01a1n nhi\u1ec1u. Qu\u00e1 tr\u00ecnh n\u00e0y r\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 duy tr\u00ec hi\u1ec7u su\u1ea5t c\u1ee7a DPF v\u00e0 \u0111\u1ea3m b\u1ea3o n\u00f3 c\u00f3 th\u1ec3 ti\u1ebfp t\u1ee5c thu gi\u1eef hi\u1ec7u qu\u1ea3 c\u00e1c h\u1ea1t v\u1eadt ch\u1ea5t c\u00f3 h\u1ea1i.<\/p>\n\n\n\n
N\u1ebfu qu\u00e1 tr\u00ecnh t\u00e1i t\u1ea1o kh\u00f4ng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n th\u01b0\u1eddng xuy\u00ean, DPF c\u00f3 th\u1ec3 b\u1ecb t\u1eafc ngh\u1ebdn do b\u1ed3 h\u00f3ng. Khi \u0111i\u1ec1u n\u00e0y x\u1ea3y ra, \u0111\u00e8n c\u1ea3nh b\u00e1o th\u01b0\u1eddng s\u1ebd s\u00e1ng tr\u00ean b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n \u0111\u1ec3 c\u1ea3nh b\u00e1o ng\u01b0\u1eddi l\u00e1i. Vi\u1ec7c b\u1ecf qua c\u1ea3nh b\u00e1o n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng t\u1eafc ngh\u1ebdn nghi\u00eam tr\u1ecdng h\u01a1n, \u0111\u00f2i h\u1ecfi ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ee3 m\u00e1y t\u00e1i t\u1ea1o b\u1eaft bu\u1ed9c ho\u1eb7c th\u1eadm ch\u00ed ph\u1ea3i thay th\u1ebf to\u00e0n b\u1ed9 b\u1ed9 DPF, m\u1ed9t chi ph\u00ed s\u1eeda ch\u1eefa r\u1ea5t t\u1ed1n k\u00e9m. Do \u0111\u00f3, vi\u1ec7c hi\u1ec3u r\u00f5 v\u00e0 t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho qu\u00e1 tr\u00ecnh t\u00e1i t\u1ea1o l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi s\u1ee9c kh\u1ecfe l\u00e2u d\u00e0i c\u1ee7a h\u1ec7 th\u1ed1ng ki\u1ec3m so\u00e1t kh\u00ed th\u1ea3i tr\u00ean xe diesel c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n
C\u00f3, c\u00f3 ba lo\u1ea1i t\u00e1i t\u1ea1o DPF ch\u00ednh: th\u1ee5 \u0111\u1ed9ng, ch\u1ee7 \u0111\u1ed9ng v\u00e0 c\u01b0\u1ee1ng b\u1ee9c. T\u00e1i t\u1ea1o th\u1ee5 \u0111\u1ed9ng x\u1ea3y ra t\u1ef1 nhi\u00ean khi xe ch\u1ea1y \u1edf t\u1ed1c \u0111\u1ed9 cao li\u00ean t\u1ee5c, ch\u1eb3ng h\u1ea1n nh\u01b0 tr\u00ean \u0111\u01b0\u1eddng cao t\u1ed1c. Trong qu\u00e1 tr\u00ecnh l\u00e1i xe n\u00e0y, nhi\u1ec7t \u0111\u1ed9 kh\u00ed th\u1ea3i \u0111\u1ee7 cao \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng \u0111\u1ed1t ch\u00e1y mu\u1ed9i than b\u1ecb k\u1eb9t m\u00e0 kh\u00f4ng c\u1ea7n b\u1ea5t k\u1ef3 s\u1ef1 can thi\u1ec7p n\u00e0o t\u1eeb b\u1ed9 \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed9ng c\u01a1 (ECU). Tuy nhi\u00ean, \u0111\u1ed1i v\u1edbi nh\u1eefng xe th\u01b0\u1eddng xuy\u00ean di chuy\u1ec3n tr\u00ean c\u00e1c ch\u1eb7ng \u0111\u01b0\u1eddng ng\u1eafn ho\u1eb7c trong giao th\u00f4ng \u0111\u00f4 th\u1ecb, t\u00e1i t\u1ea1o th\u1ee5 \u0111\u1ed9ng c\u00f3 th\u1ec3 kh\u00f4ng di\u1ec5n ra \u0111\u1ee7 th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 gi\u1eef cho DPF s\u1ea1ch.<\/p>\n\n\n\n
\u0110\u00e2y ch\u00ednh l\u00e0 l\u00fac t\u00e1i t\u1ea1o ch\u1ee7 \u0111\u1ed9ng ph\u00e1t huy t\u00e1c d\u1ee5ng. Khi ECU ph\u00e1t hi\u1ec7n DPF \u0111\u00e3 t\u00edch t\u1ee5 mu\u1ed9i than \u0111\u1ebfn m\u1ed9t m\u1ee9c \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh (th\u01b0\u1eddng kho\u1ea3ng 45%), n\u00f3 s\u1ebd k\u00edch ho\u1ea1t chu tr\u00ecnh t\u00e1i t\u1ea1o ch\u1ee7 \u0111\u1ed9ng. Qu\u00e1 tr\u00ecnh n\u00e0y bao g\u1ed3m vi\u1ec7c phun m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf nhi\u00ean li\u1ec7u b\u1ed5 sung v\u00e0o \u0111\u1ed9ng c\u01a1, l\u00e0m t\u0103ng nhi\u1ec7t \u0111\u1ed9 kh\u00ed th\u1ea3i \u0111\u1ebfn m\u1ee9c c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ed1t ch\u00e1y mu\u1ed9i than. Qu\u00e1 tr\u00ecnh n\u00e0y di\u1ec5n ra t\u1ef1 \u0111\u1ed9ng m\u00e0 kh\u00f4ng c\u1ea7n ng\u01b0\u1eddi l\u00e1i ph\u1ea3i l\u00e0m g\u00ec c\u1ea3. N\u1ebfu c\u1ea3 t\u00e1i t\u1ea1o th\u1ee5 \u0111\u1ed9ng v\u00e0 ch\u1ee7 \u0111\u1ed9ng \u0111\u1ec1u kh\u00f4ng th\u1ec3 th\u00f4ng t\u1eafc, c\u00f3 th\u1ec3 c\u1ea7n ph\u1ea3i t\u00e1i t\u1ea1o c\u01b0\u1ee1ng b\u1ee9c. \u0110\u00e2y l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1edfi th\u1ee3 m\u00e1y b\u1eb1ng thi\u1ebft b\u1ecb ch\u1ea9n \u0111o\u00e1n \u0111\u1ec3 kh\u1edfi \u0111\u1ed9ng chu tr\u00ecnh t\u00e1i t\u1ea1o th\u1ee7 c\u00f4ng t\u1ea1i x\u01b0\u1edfng.<\/p>\n\n\n\n
B\u1ed9 l\u1ecdc h\u1ea1t diesel b\u1ecb t\u1eafc ho\u1eb7c h\u1ecfng c\u00f3 th\u1ec3 g\u00e2y ra m\u1ed9t s\u1ed1 tri\u1ec7u ch\u1ee9ng \u0111\u00e1ng ch\u00fa \u00fd kh\u00f4ng n\u00ean b\u1ecf qua. M\u1ed9t trong nh\u1eefng d\u1ea5u hi\u1ec7u ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 \u0111\u00e8n c\u1ea3nh b\u00e1o DPF xu\u1ea5t hi\u1ec7n tr\u00ean b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n. \u0110\u00e2y l\u00e0 d\u1ea5u hi\u1ec7u r\u00f5 r\u00e0ng cho th\u1ea5y b\u1ed9 l\u1ecdc kh\u00f4ng \u0111\u01b0\u1ee3c t\u00e1i t\u1ea1o \u0111\u00fang c\u00e1ch v\u00e0 c\u1ea7n \u0111\u01b0\u1ee3c ki\u1ec3m tra. M\u1ed9t tri\u1ec7u ch\u1ee9ng ph\u1ed5 bi\u1ebfn kh\u00e1c l\u00e0 \u0111\u1ed9ng c\u01a1 gi\u1ea3m c\u00f4ng su\u1ea5t \u0111\u00e1ng k\u1ec3 v\u00e0 t\u0103ng t\u1ed1c ch\u1eadm. \u0110i\u1ec1u n\u00e0y x\u1ea3y ra do DPF b\u1ecb t\u1eafc l\u00e0m h\u1ea1n ch\u1ebf d\u00f2ng kh\u00ed th\u1ea3i, t\u1eeb \u0111\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a \u0111\u1ed9ng c\u01a1.<\/p>\n\n\n\n
B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 nh\u1eadn th\u1ea5y hi\u1ec7u su\u1ea5t nhi\u00ean li\u1ec7u gi\u1ea3m \u0111\u00e1ng k\u1ec3, do \u0111\u1ed9ng c\u01a1 ph\u1ea3i l\u00e0m vi\u1ec7c nhi\u1ec1u h\u01a1n \u0111\u1ec3 \u0111\u1ea9y kh\u00ed th\u1ea3i qua b\u1ed9 l\u1ecdc b\u1ecb t\u1eafc. Trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, b\u1ea1n c\u00f3 th\u1ec3 th\u1ea5y kh\u00f3i th\u1ea3i ra t\u1eeb \u1ed1ng x\u1ea3 t\u0103ng l\u00ean, c\u00f3 th\u1ec3 s\u1eabm m\u00e0u v\u00e0 \u0111\u1eb7c h\u01a1n b\u00ecnh th\u01b0\u1eddng. C\u00e1c d\u1ea5u hi\u1ec7u ti\u1ec1m \u1ea9n kh\u00e1c bao g\u1ed3m kh\u00f3 kh\u1edfi \u0111\u1ed9ng \u0111\u1ed9ng c\u01a1, m\u00e1y ch\u1ea1y kh\u00f4ng t\u1ea3i b\u1ecb rung gi\u1eadt, v\u00e0 th\u1eadm ch\u00ed c\u00f3 m\u00f9i h\u00f4i kh\u00f3 ch\u1ecbu t\u1eeb \u1ed1ng x\u1ea3. N\u1ebfu g\u1eb7p b\u1ea5t k\u1ef3 tri\u1ec7u ch\u1ee9ng n\u00e0o trong s\u1ed1 n\u00e0y, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i \u0111\u01b0a xe \u0111\u1ebfn th\u1ee3 m\u00e1y c\u00f3 tr\u00ecnh \u0111\u1ed9 ki\u1ec3m tra c\u00e0ng s\u1edbm c\u00e0ng t\u1ed1t \u0111\u1ec3 ng\u0103n ng\u1eeba h\u01b0 h\u1ecfng th\u00eam.<\/p>\n\n\n\n
Th\u00f3i quen l\u00e1i xe c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn s\u1ee9c kh\u1ecfe v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a b\u1ed9 l\u1ecdc h\u1ea1t diesel. B\u1ed9 l\u1ecdc DPF ph\u00f9 h\u1ee3p nh\u1ea5t v\u1edbi nh\u1eefng xe th\u01b0\u1eddng xuy\u00ean ch\u1ea1y \u1edf t\u1ed1c \u0111\u1ed9 cao, ch\u1eb3ng h\u1ea1n nh\u01b0 tr\u00ean \u0111\u01b0\u1eddng cao t\u1ed1c, v\u00ec \u0111i\u1ec1u n\u00e0y cho ph\u00e9p qu\u00e1 tr\u00ecnh t\u00e1i t\u1ea1o th\u1ee5 \u0111\u1ed9ng di\u1ec5n ra t\u1ef1 nhi\u00ean. N\u1ebfu b\u1ea1n ch\u1ee7 y\u1ebfu s\u1eed d\u1ee5ng xe diesel cho c\u00e1c chuy\u1ebfn \u0111i ng\u1eafn ho\u1eb7c l\u00e1i xe trong th\u00e0nh ph\u1ed1, h\u1ec7 th\u1ed1ng x\u1ea3 c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u1ea1t \u0111\u1ee7 nhi\u1ec7t \u0111\u1ed9 \u0111\u1ec3 b\u1eaft \u0111\u1ea7u v\u00e0 ho\u00e0n th\u00e0nh chu tr\u00ecnh t\u00e1i t\u1ea1o. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn s\u1ef1 t\u00edch t\u1ee5 d\u1ea7n d\u1ea7n mu\u1ed9i than trong DPF, cu\u1ed1i c\u00f9ng g\u00e2y t\u1eafc ngh\u1ebdn.<\/p>\n\n\n\n
\u0110\u1ec3 duy tr\u00ec DPF kh\u1ecfe m\u1ea1nh, b\u1ea1n n\u00ean l\u00e1i xe \u0111\u01b0\u1eddng d\u00e0i v\u1edbi t\u1ed1c \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh th\u01b0\u1eddng xuy\u00ean, v\u00ed d\u1ee5 nh\u01b0 ch\u1ea1y tr\u00ean \u0111\u01b0\u1eddng cao t\u1ed1c ho\u1eb7c \u0111\u01b0\u1eddng A-road t\u1eeb 30 \u0111\u1ebfn 50 ph\u00fat. \u0110i\u1ec1u n\u00e0y s\u1ebd gi\u00fap DPF c\u00f3 c\u01a1 h\u1ed9i t\u00e1i t\u1ea1o v\u00e0 \u0111\u1ed1t ch\u00e1y mu\u1ed9i than t\u00edch t\u1ee5. Vi\u1ec7c h\u1ea1n ch\u1ebf th\u1eddi gian \u0111\u1ed9ng c\u01a1 ch\u1ea1y kh\u00f4ng t\u1ea3i c\u0169ng c\u00f3 th\u1ec3 mang l\u1ea1i l\u1ee3i \u00edch, v\u00ec ch\u1ea1y kh\u00f4ng t\u1ea3i s\u1ebd t\u1ea1o ra mu\u1ed9i than m\u00e0 kh\u00f4ng t\u1ea1o ra nhi\u1ec7t c\u1ea7n thi\u1ebft cho qu\u00e1 tr\u00ecnh t\u00e1i t\u1ea1o. B\u1eb1ng c\u00e1ch ch\u00fa \u00fd \u0111\u1ebfn th\u00f3i quen l\u00e1i xe, b\u1ea1n c\u00f3 th\u1ec3 gi\u00fap ng\u0103n ng\u1eeba c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 DPF v\u00e0 tr\u00e1nh ph\u1ea3i s\u1eeda ch\u1eefa t\u1ed1n k\u00e9m.<\/p>\n\n\n\n
B\u1ea3o d\u01b0\u1ee1ng \u0111\u00fang c\u00e1ch l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o tu\u1ed5i th\u1ecd v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a b\u1ed9 l\u1ecdc h\u1ea1t diesel. M\u1eb7c d\u00f9 qu\u00e1 tr\u00ecnh t\u00e1i sinh \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ch\u1ee7 y\u1ebfu l\u00e0 t\u1ef1 \u0111\u1ed9ng, nh\u01b0ng \u0111\u00f4i khi c\u1ea7n ph\u1ea3i v\u1ec7 sinh th\u1ee7 c\u00f4ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi DPF b\u1ecb t\u1eafc ngh\u1ebdn nghi\u00eam tr\u1ecdng b\u1edfi b\u1ed3 h\u00f3ng v\u00e0 tro. Tro l\u00e0 s\u1ea3n ph\u1ea9m ph\u1ee5 c\u1ee7a qu\u00e1 tr\u00ecnh t\u00e1i sinh v\u00e0, kh\u00f4ng gi\u1ed1ng nh\u01b0 b\u1ed3 h\u00f3ng, kh\u00f4ng th\u1ec3 \u0111\u1ed1t ch\u00e1y h\u1ebft. Theo th\u1eddi gian, tro n\u00e0y s\u1ebd t\u00edch t\u1ee5 trong b\u1ed9 l\u1ecdc v\u00e0 c\u1ea7n \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf chuy\u00ean nghi\u1ec7p. H\u1ea7u h\u1ebft c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t khuy\u1ebfn ngh\u1ecb v\u1ec7 sinh DPF theo \u0111\u1ecbnh k\u1ef3 c\u1ee5 th\u1ec3, ch\u1eb3ng h\u1ea1n nh\u01b0 sau m\u1ed7i 160.000 km, nh\u01b0ng \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 thay \u0111\u1ed5i t\u00f9y thu\u1ed9c v\u00e0o lo\u1ea1i xe v\u00e0 c\u00e1ch s\u1eed d\u1ee5ng.<\/p>\n\n\n\n
C\u00f3 nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p v\u1ec7 sinh DPF. M\u1ed9t ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn l\u00e0 s\u1eed d\u1ee5ng ch\u1ea5t t\u1ea9y r\u1eeda DPF h\u00f3a h\u1ecdc, m\u1ed9t ch\u1ea5t ph\u1ee5 gia d\u1ea1ng l\u1ecfng \u0111\u01b0\u1ee3c \u0111\u1ed5 v\u00e0o b\u00ecnh nhi\u00ean li\u1ec7u. C\u00e1c ch\u1ea5t t\u1ea9y r\u1eeda n\u00e0y ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch h\u1ea1 th\u1ea5p nhi\u1ec7t \u0111\u1ed9 ch\u00e1y c\u1ee7a mu\u1ed9i than, gi\u00fap DPF d\u1ec5 d\u00e0ng t\u00e1i t\u1ea1o h\u01a1n. \u0110\u1ed1i v\u1edbi nh\u1eefng ch\u1ed7 t\u1eafc ngh\u1ebdn c\u1ee9ng \u0111\u1ea7u h\u01a1n, c\u00f3 th\u1ec3 c\u1ea7n ph\u1ea3i v\u1ec7 sinh ngo\u00e0i xe. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y bao g\u1ed3m vi\u1ec7c th\u00e1o DPF ra kh\u1ecfi xe v\u00e0 s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb chuy\u00ean d\u1ee5ng, ch\u1eb3ng h\u1ea1n nh\u01b0 kh\u00ed n\u00e9n \u00e1p su\u1ea5t cao ho\u1eb7c l\u00f2 nhi\u1ec7t, \u0111\u1ec3 lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n mu\u1ed9i than v\u00e0 tro. Vi\u1ec7c v\u1ec7 sinh chuy\u00ean nghi\u1ec7p th\u01b0\u1eddng xuy\u00ean c\u00f3 th\u1ec3 kh\u00f4i ph\u1ee5c DPF g\u1ea7n nh\u01b0 m\u1edbi v\u00e0 l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn ti\u1ebft ki\u1ec7m chi ph\u00ed h\u01a1n nhi\u1ec1u so v\u1edbi vi\u1ec7c thay th\u1ebf to\u00e0n b\u1ed9. Chi ph\u00ed thay th\u1ebf DPF c\u00f3 th\u1ec3 dao \u0111\u1ed9ng t\u1eeb 1.000 \u0111\u1ebfn h\u01a1n 10.000 \u0111\u00f4 la t\u00f9y thu\u1ed9c v\u00e0o lo\u1ea1i xe.<\/p>\n\n\n\n
Do chi ph\u00ed s\u1eeda ch\u1eefa t\u1ed1n k\u00e9m, m\u1ed9t s\u1ed1 ch\u1ee7 xe c\u00f3 th\u1ec3 b\u1ecb c\u00e1m d\u1ed7 th\u00e1o b\u1ed9 l\u1ecdc h\u1ea1t diesel ra kh\u1ecfi xe m\u1ed9t c\u00e1ch b\u1ea5t h\u1ee3p ph\u00e1p, m\u1ed9t quy tr\u00ecnh th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 "x\u00f3a DPF". Tuy nhi\u00ean, vi\u1ec7c l\u00e0m n\u00e0y g\u00e2y ra nh\u1eefng h\u1eadu qu\u1ea3 ph\u00e1p l\u00fd v\u00e0 m\u00f4i tr\u01b0\u1eddng \u0111\u00e1ng k\u1ec3. \u1ede h\u1ea7u h\u1ebft c\u00e1c qu\u1ed1c gia, vi\u1ec7c can thi\u1ec7p ho\u1eb7c th\u00e1o r\u1eddi b\u1ea5t k\u1ef3 b\u1ed9 ph\u1eadn n\u00e0o c\u1ee7a h\u1ec7 th\u1ed1ng ki\u1ec3m so\u00e1t kh\u00ed th\u1ea3i c\u1ee7a xe l\u00e0 b\u1ea5t h\u1ee3p ph\u00e1p. Vi\u1ec7c l\u00e1i xe \u0111\u00e3 th\u00e1o DPF c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00e1c kho\u1ea3n ti\u1ec1n ph\u1ea1t n\u1eb7ng, kh\u00f4ng v\u01b0\u1ee3t qua b\u00e0i ki\u1ec3m tra kh\u00ed th\u1ea3i v\u00e0 th\u1eadm ch\u00ed c\u00f3 th\u1ec3 l\u00e0m m\u1ea5t hi\u1ec7u l\u1ef1c b\u1ea3o hi\u1ec3m xe c\u1ee7a b\u1ea1n. C\u00e1c gara th\u1ef1c hi\u1ec7n vi\u1ec7c th\u00e1o DPF c\u0169ng c\u00f3 th\u1ec3 ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi c\u00e1c h\u00e0nh \u0111\u1ed9ng ph\u00e1p l\u00fd v\u00ec vi ph\u1ea1m c\u00e1c quy \u0111\u1ecbnh v\u1ec1 m\u00f4i tr\u01b0\u1eddng.<\/p>\n\n\n\n
X\u00e9t v\u1ec1 m\u1eb7t m\u00f4i tr\u01b0\u1eddng, vi\u1ec7c th\u00e1o b\u1ecf b\u1ed9 l\u1ecdc DPF g\u00e2y ra h\u1eadu qu\u1ea3 v\u00f4 c\u00f9ng nghi\u00eam tr\u1ecdng. N\u1ebfu kh\u00f4ng c\u00f3 b\u1ed9 l\u1ecdc, \u0111\u1ed9ng c\u01a1 diesel s\u1ebd th\u1ea3i ra kh\u00ed quy\u1ec3n m\u1ed9t l\u01b0\u1ee3ng l\u1edbn b\u1ee5i m\u1ecbn v\u00e0 c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m kh\u00e1c. \u0110i\u1ec1u n\u00e0y g\u00f3p ph\u1ea7n g\u00e2y \u00f4 nhi\u1ec5m kh\u00f4ng kh\u00ed, v\u1ed1n c\u00f3 li\u00ean quan \u0111\u1ebfn m\u1ed9t lo\u1ea1t c\u00e1c v\u1ea5n \u0111\u1ec1 s\u1ee9c kh\u1ecfe, bao g\u1ed3m c\u00e1c b\u1ec7nh v\u1ec1 \u0111\u01b0\u1eddng h\u00f4 h\u1ea5p v\u00e0 tim m\u1ea1ch. DPF l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 thi\u1ebft y\u1ebfu gi\u00fap gi\u1ea3m thi\u1ec3u t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c c\u1ee7a \u0111\u1ed9ng c\u01a1 diesel \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng v\u00e0 s\u1ee9c kh\u1ecfe. Do \u0111\u00f3, vi\u1ec7c duy tr\u00ec b\u1ed9 l\u1ecdc DPF ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng kh\u00f4ng ch\u1ec9 l\u00e0 y\u00eau c\u1ea7u ph\u00e1p l\u00fd m\u00e0 c\u00f2n l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn c\u00f3 tr\u00e1ch nhi\u1ec7m \u0111\u1ec3 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng v\u00e0 s\u1ee9c kh\u1ecfe c\u1ed9ng \u0111\u1ed3ng.<\/p>\n\n\n\n
C\u00f4ng ngh\u1ec7 ki\u1ec3m so\u00e1t kh\u00ed th\u1ea3i \u0111\u1ed9ng c\u01a1 diesel \u0111ang kh\u00f4ng ng\u1eebng ph\u00e1t tri\u1ec3n \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c quy \u0111\u1ecbnh v\u1ec1 m\u00f4i tr\u01b0\u1eddng ng\u00e0y c\u00e0ng nghi\u00eam ng\u1eb7t. M\u1eb7c d\u00f9 b\u1ed9 l\u1ecdc h\u1ea1t diesel l\u00e0 m\u1ed9t b\u01b0\u1edbc ti\u1ebfn l\u1edbn, ng\u00e0nh c\u00f4ng nghi\u1ec7p v\u1eabn \u0111ang kh\u00f4ng ng\u1eebng nghi\u00ean c\u1ee9u nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p m\u1edbi v\u00e0 c\u1ea3i ti\u1ebfn \u0111\u1ec3 gi\u00fap \u0111\u1ed9ng c\u01a1 diesel s\u1ea1ch h\u01a1n v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n. T\u01b0\u01a1ng lai c\u1ee7a ki\u1ec3m so\u00e1t kh\u00ed th\u1ea3i \u0111\u1ed9ng c\u01a1 diesel c\u00f3 th\u1ec3 s\u1ebd bao g\u1ed3m s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa c\u00e1c c\u00f4ng ngh\u1ec7 x\u1eed l\u00fd sau ti\u00ean ti\u1ebfn, nhi\u00ean li\u1ec7u s\u1ea1ch h\u01a1n v\u00e0 thi\u1ebft k\u1ebf \u0111\u1ed9ng c\u01a1 s\u00e1ng t\u1ea1o.<\/p>\n\n\n\n
M\u1ed9t s\u1ed1 c\u00f4ng ngh\u1ec7 \u0111ang \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n v\u00e0 c\u1ea3i ti\u1ebfn bao g\u1ed3m c\u00e1c h\u1ec7 th\u1ed1ng kh\u1eed x\u00fac t\u00e1c ch\u1ecdn l\u1ecdc (SCR) tinh vi h\u01a1n, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 gi\u1ea3m l\u01b0\u1ee3ng kh\u00ed th\u1ea3i nit\u01a1 oxit (NOx), v\u00e0 b\u1eaby NOx tinh g\u1ecdn (LNT). Vi\u1ec7c t\u00edch h\u1ee3p c\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y v\u1edbi c\u00f4ng ngh\u1ec7 DPF \u0111ang d\u1eabn \u0111\u1ebfn s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng ki\u1ec3m so\u00e1t kh\u00ed th\u1ea3i nh\u1ecf g\u1ecdn v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n. H\u01a1n n\u1eefa, nh\u1eefng ti\u1ebfn b\u1ed9 trong c\u00e1c l\u0129nh v\u1ef1c nh\u01b0 h\u1ec7 th\u1ed1ng hybrid diesel-\u0111i\u1ec7n v\u00e0 nhi\u00ean li\u1ec7u thay th\u1ebf nh\u01b0 nhi\u00ean li\u1ec7u sinh h\u1ecdc v\u00e0 dimethyl ether c\u0169ng \u0111ang \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u nh\u01b0 nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec3 gi\u1ea3m thi\u1ec3u h\u01a1n n\u1eefa t\u00e1c \u0111\u1ed9ng m\u00f4i tr\u01b0\u1eddng c\u1ee7a \u0111\u1ed9ng c\u01a1 diesel. Khi ch\u00fang ta h\u01b0\u1edbng t\u1edbi m\u1ed9t t\u01b0\u01a1ng lai b\u1ec1n v\u1eefng h\u01a1n, vi\u1ec7c t\u1eadp trung ph\u00e1t tri\u1ec3n c\u00f4ng ngh\u1ec7 diesel s\u1ea1ch h\u01a1n ch\u1eafc ch\u1eafn s\u1ebd ti\u1ebfp t\u1ee5c \u0111\u01b0\u1ee3c t\u0103ng c\u01b0\u1eddng.<\/p>\n\n\n\n
<\/p>","protected":false},"excerpt":{"rendered":"
\u0110\u00e8n DPF b\u1eadt s\u00e1ng? H\u01b0\u1edbng d\u1eabn n\u00e0y s\u1ebd tr\u00ecnh b\u00e0y c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a B\u1ed9 l\u1ecdc h\u1ea1t diesel, kh\u1ea3 n\u0103ng t\u00e1i t\u1ea1o, c\u00e1c tri\u1ec7u ch\u1ee9ng t\u1eafc ngh\u1ebdn v\u00e0 c\u00e1c m\u1eb9o b\u1ea3o d\u01b0\u1ee1ng quan tr\u1ecdng gi\u00fap b\u1ea1n ti\u1ebft ki\u1ec7m chi ph\u00ed s\u1eeda ch\u1eefa.<\/p>","protected":false},"author":1,"featured_media":3460,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"googlesitekit_rrm_CAowgdPcCw:productID":"","footnotes":""},"categories":[98],"tags":[541,539,535,542,536,543,540,537,32,538],"class_list":["post-3445","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-guide","tag-clogged-dpf","tag-diesel-emission-control","tag-diesel-particulate-filter","tag-dpf","tag-dpf-cleaning","tag-dpf-maintenance","tag-dpf-regeneration","tag-dpf-warning-light","tag-exhaust-system","tag-what-is-a-dpf"],"_links":{"self":[{"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/posts\/3445","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/comments?post=3445"}],"version-history":[{"count":0,"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/posts\/3445\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/media\/3460"}],"wp:attachment":[{"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/media?parent=3445"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/categories?post=3445"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/tags?post=3445"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}