{"id":5030,"date":"2025-10-09T10:43:59","date_gmt":"2025-10-09T03:43:59","guid":{"rendered":"https:\/\/blueone.vn\/?p=5030"},"modified":"2025-10-11T08:42:32","modified_gmt":"2025-10-11T01:42:32","slug":"nuoc-ure-la-gi-tim-hieu-vai-tro-trong-dong-co-diesel","status":"publish","type":"post","link":"https:\/\/demo.blueone.vn\/en\/nuoc-ure-la-gi-tim-hieu-vai-tro-trong-dong-co-diesel\/","title":{"rendered":"What is urea? Learn about its role in diesel engines"},"content":{"rendered":"

What is urea? Learn about its role in diesel engines<\/strong><\/h2>\n

Trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y, n\u1ebfu b\u1ea1n s\u1edf h\u1eefu m\u1ed9t chi\u1ebfc xe t\u1ea3i ho\u1eb7c xe kh\u00e1ch s\u1eed d\u1ee5ng \u0111\u1ed9ng c\u01a1 diesel \u0111\u1eddi m\u1edbi, h\u1eb3n kh\u00f4ng xa l\u1ea1 v\u1edbi c\u1ee5m t\u1eeb \u201cn\u01b0\u1edbc ure\u201d. T\u1eeb nh\u1eefng can nh\u1ef1a 10 l\u00edt m\u00e0u xanh tr\u1eafng \u0111\u1eb7t trong kho gara, \u0111\u1ebfn c\u1ea3nh c\u00e1c t\u00e0i x\u1ebf tranh th\u1ee7 \u0111\u1ed5 th\u00eam tr\u01b0\u1edbc m\u1ed7i chuy\u1ebfn \u0111\u01b0\u1eddng d\u00e0i \u2014 lo\u1ea1i dung d\u1ecbch t\u01b0\u1edfng ch\u1eebng \u0111\u01a1n gi\u1ea3n \u1ea5y th\u1ef1c ch\u1ea5t l\u00e0 th\u00e0nh ph\u1ea7n quan tr\u1ecdng trong c\u00f4ng ngh\u1ec7 x\u1eed l\u00fd kh\u00ed th\u1ea3i c\u1ee7a th\u1ebf h\u1ec7 \u0111\u1ed9ng c\u01a1 hi\u1ec7n \u0111\u1ea1i. V\u00e0 \u0111\u1eb1ng sau \u0111\u00f3 l\u00e0 c\u1ea3 m\u1ed9t c\u00e2u chuy\u1ec7n v\u1ec1 c\u00f4ng ngh\u1ec7, ti\u00eau chu\u1ea9n kh\u00ed th\u1ea3i v\u00e0 s\u1ef1 thay \u0111\u1ed5i to\u00e0n c\u1ea7u trong c\u00e1ch ch\u00fang ta v\u1eadn h\u00e0nh ph\u01b0\u01a1ng ti\u1ec7n giao th\u00f4ng.<\/p>\n

\"N\u01b0\u1edbc
N\u01b0\u1edbc ure l\u00e0 g\u00ec T\u00ecm hi\u1ec3u vai tr\u00f2 trong \u0111\u1ed9ng c\u01a1 diesel<\/em><\/figcaption><\/figure>\n

M\u1ed9t dung d\u1ecbch nh\u1ecf \u2013 m\u1ed9t b\u01b0\u1edbc ti\u1ebfn l\u1edbn<\/strong><\/h2>\n

\u201cN\u01b0\u1edbc ure<\/a>\u201d<\/strong> kh\u00f4ng ch\u1ec9 l\u00e0 t\u00ean g\u1ecdi th\u00f4ng th\u01b0\u1eddng, m\u00e0 c\u00f2n l\u00e0 bi\u1ec3u t\u01b0\u1ee3ng c\u1ee7a b\u01b0\u1edbc ngo\u1eb7t trong ng\u00e0nh \u0111\u1ed9ng c\u01a1 diesel. T\u1eeb l\u00e2u, \u0111\u1ed9ng c\u01a1 diesel n\u1ed5i ti\u1ebfng v\u1edbi s\u1ee9c m\u1ea1nh, kh\u1ea3 n\u0103ng k\u00e9o t\u1ea3i v\u00e0 hi\u1ec7u su\u1ea5t nhi\u00ean li\u1ec7u v\u01b0\u1ee3t tr\u1ed9i, nh\u01b0ng c\u0169ng ch\u00ednh ch\u00fang l\u00e0 ngu\u1ed3n ph\u00e1t th\u1ea3i kh\u00ed NOx (Oxit Nit\u01a1) l\u1edbn \u2014 lo\u1ea1i kh\u00ed \u0111\u1ed9c h\u1ea1i g\u00e2y \u00f4 nhi\u1ec5m kh\u00f4ng kh\u00ed nghi\u00eam tr\u1ecdng v\u00e0 \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi.<\/p>\n

\u0110\u1ec3 kh\u1eafc ph\u1ee5c v\u1ea5n \u0111\u1ec1 n\u00e0y, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t xe \u0111\u00e3 ph\u1ea3i t\u00ecm ra c\u00e1ch \u201cl\u00e0m s\u1ea1ch\u201d kh\u00ed th\u1ea3i m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ee9c m\u1ea1nh c\u1ee7a \u0111\u1ed9ng c\u01a1. Gi\u1ea3i ph\u00e1p \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn l\u00e0 h\u1ec7 th\u1ed1ng SCR (Selective Catalytic Reduction) \u2013 c\u00f4ng ngh\u1ec7 gi\u1ea3m kh\u00ed th\u1ea3i b\u1eb1ng ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc, v\u00e0 \u201cn\u01b0\u1edbc ure\u201d ch\u00ednh l\u00e0 linh h\u1ed3n c\u1ee7a h\u1ec7 th\u1ed1ng \u0111\u00f3.<\/p>\n

Dung d\u1ecbch n\u00e0y c\u00f3 t\u00ean khoa h\u1ecdc l\u00e0 AUS 32, hay c\u00f2n g\u1ecdi ph\u1ed5 bi\u1ebfn h\u01a1n l\u00e0 AdBlue. Th\u00e0nh ph\u1ea7n c\u1ee7a n\u00f3 t\u01b0\u1edfng ch\u1eebng \u0111\u01a1n gi\u1ea3n: 32,5% ure tinh khi\u1ebft pha trong 67,5% n\u01b0\u1edbc kh\u1eed ion. Nh\u01b0ng \u0111i\u1ec1u quan tr\u1ecdng n\u1eb1m \u1edf \u0111\u1ed9 tinh khi\u1ebft tuy\u1ec7t \u0111\u1ed1i \u2013 ch\u1ec9 c\u1ea7n m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf t\u1ea1p ch\u1ea5t kim lo\u1ea1i c\u0169ng \u0111\u1ee7 khi\u1ebfn to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng x\u1eed l\u00fd kh\u00ed th\u1ea3i c\u1ee7a xe h\u01b0 h\u1ea1i n\u1eb7ng.<\/p>\n

C\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng k\u1ef3 di\u1ec7u ph\u00eda sau lu\u1ed3ng kh\u00ed th\u1ea3i<\/strong><\/h2>\n
\"C\u01a1
C\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng k\u1ef3 di\u1ec7u ph\u00eda sau lu\u1ed3ng kh\u00ed th\u1ea3i<\/em><\/figcaption><\/figure>\n

Khi \u0111\u1ed9ng c\u01a1 diesel ho\u1ea1t \u0111\u1ed9ng, kh\u00ed th\u1ea3i n\u00f3ng ch\u1ee9a h\u00e0ng lo\u1ea1t h\u1ee3p ch\u1ea5t \u0111\u1ed9c h\u1ea1i, trong \u0111\u00f3 \u0111\u00e1ng ch\u00fa \u00fd nh\u1ea5t l\u00e0 NOx \u2013 th\u1ee7 ph\u1ea1m g\u00e2y m\u01b0a axit, s\u01b0\u01a1ng m\u00f9 quang h\u00f3a v\u00e0 t\u1ed5n h\u1ea1i \u0111\u1ebfn h\u1ec7 h\u00f4 h\u1ea5p. \u1ede nhi\u1ec7t \u0111\u1ed9 cao, h\u1ec7 th\u1ed1ng SCR s\u1ebd phun m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf n\u01b0\u1edbc ure v\u00e0o lu\u1ed3ng kh\u00ed th\u1ea3i. D\u01b0\u1edbi t\u00e1c d\u1ee5ng c\u1ee7a nhi\u1ec7t, dung d\u1ecbch n\u00e0y ph\u00e2n h\u1ee7y, t\u1ea1o ra amoniac (NH\u2083).<\/p>\n

Ph\u1ea7n c\u00f2n l\u1ea1i l\u00e0 m\u1ed9t ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc di\u1ec5n ra trong v\u00e0i ph\u1ea7n ngh\u00ecn gi\u00e2y: amoniac k\u1ebft h\u1ee3p v\u1edbi NOx, bi\u1ebfn ch\u00fang th\u00e0nh nit\u01a1 (N\u2082) v\u00e0 h\u01a1i n\u01b0\u1edbc (H\u2082O) \u2013 hai ch\u1ea5t ho\u00e0n to\u00e0n v\u00f4 h\u1ea1i v\u00e0 v\u1ed1n \u0111\u00e3 chi\u1ebfm ph\u1ea7n l\u1edbn trong kh\u00f4ng kh\u00ed ch\u00fang ta h\u00edt th\u1edf m\u1ed7i ng\u00e0y.<\/p>\n

C\u00f4ng ngh\u1ec7 n\u00e0y cho ph\u00e9p c\u00e1c h\u00e3ng xe c\u1eaft gi\u1ea3m t\u1edbi 90% l\u01b0\u1ee3ng kh\u00ed NOx, m\u1edf ra k\u1ef7 nguy\u00ean m\u00e0 \u0111\u1ed9ng c\u01a1 diesel c\u00f3 th\u1ec3 m\u1ea1nh m\u1ebd, ti\u1ebft ki\u1ec7m m\u00e0 v\u1eabn \u201cxanh\u201d v\u00e0 th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng.<\/p>\n

V\u00ec sao n\u01b0\u1edbc ure l\u1ea1i quan tr\u1ecdng \u0111\u1ebfn v\u1eady?<\/strong><\/h2>\n

Trong c\u00e1c d\u00f2ng xe \u0111\u1ea1t chu\u1ea9n kh\u00ed th\u1ea3i Euro 4 tr\u1edf l\u00ean, n\u01b0\u1edbc ure \u0111\u00f3ng vai tr\u00f2 nh\u01b0 \u201cng\u01b0\u1eddi g\u00e1c c\u1ed5ng v\u00f4 h\u00ecnh\u201d. Thi\u1ebfu dung d\u1ecbch n\u00e0y, to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng x\u1eed l\u00fd kh\u00ed th\u1ea3i g\u1ea7n nh\u01b0 b\u1ecb t\u00ea li\u1ec7t. C\u00e1c c\u1ea3m bi\u1ebfn tr\u00ean xe s\u1ebd ph\u00e1t hi\u1ec7n v\u00e0 \u0111\u01b0a ra c\u1ea3nh b\u00e1o, th\u1eadm ch\u00ed m\u1ed9t s\u1ed1 d\u00f2ng xe c\u00f2n gi\u1edbi h\u1ea1n t\u1ed1c \u0111\u1ed9 ho\u1eb7c ng\u1eaft \u0111\u1ed9ng c\u01a1 n\u1ebfu ph\u00e1t hi\u1ec7n b\u00ecnh n\u01b0\u1edbc ure tr\u1ed1ng r\u1ed7ng.<\/p>\n

\u0110i\u1ec1u \u0111\u00f3 cho th\u1ea5y, n\u01b0\u1edbc ure kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t dung d\u1ecbch ph\u1ee5 tr\u1ee3, m\u00e0 l\u00e0 th\u00e0nh ph\u1ea7n b\u1eaft bu\u1ed9c c\u1ee7a c\u00f4ng ngh\u1ec7 v\u1eadn h\u00e0nh hi\u1ec7n \u0111\u1ea1i. Ch\u00ednh v\u00ec v\u1eady, vi\u1ec7c hi\u1ec3u r\u00f5 v\u00e0 s\u1eed d\u1ee5ng \u0111\u00fang lo\u1ea1i n\u01b0\u1edbc ure \u0111\u1ea1t chu\u1ea9n kh\u00f4ng ch\u1ec9 gi\u00fap xe v\u1eadn h\u00e0nh \u1ed5n \u0111\u1ecbnh, m\u00e0 c\u00f2n \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn tu\u1ed5i th\u1ecd c\u1ee7a h\u1ec7 th\u1ed1ng SCR \u2013 b\u1ed9 ph\u1eadn c\u00f3 gi\u00e1 tr\u1ecb thay th\u1ebf r\u1ea5t cao.<\/p>\n

S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa n\u01b0\u1edbc ure \u00f4 t\u00f4 v\u00e0 ure c\u00f4ng nghi\u1ec7p<\/strong><\/h2>\n
\"S\u1ef1
S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa n\u01b0\u1edbc ure \u00f4 t\u00f4 v\u00e0 ure c\u00f4ng nghi\u1ec7p<\/em><\/figcaption><\/figure>\n

Tr\u00ean th\u1ecb tr\u01b0\u1eddng, kh\u00f4ng \u00edt t\u00e0i x\u1ebf nh\u1ea7m t\u01b0\u1edfng r\u1eb1ng m\u1ecdi lo\u1ea1i ure \u0111\u1ec1u gi\u1ed1ng nhau. H\u1ecd tin r\u1eb1ng c\u00f3 th\u1ec3 d\u00f9ng ure c\u00f4ng nghi\u1ec7p (lo\u1ea1i d\u00f9ng cho ph\u00e2n b\u00f3n ho\u1eb7c h\u00f3a ch\u1ea5t) pha v\u1edbi n\u01b0\u1edbc l\u00e0 \u0111\u1ee7 \u0111\u1ec3 thay th\u1ebf. Nh\u01b0ng th\u1ef1c t\u1ebf, s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa hai lo\u1ea1i n\u00e0y l\u00e0 c\u1ef1c k\u1ef3 l\u1edbn.<\/p>\n

Ure c\u00f4ng nghi\u1ec7p th\u01b0\u1eddng ch\u1ee9a nhi\u1ec1u t\u1ea1p ch\u1ea5t kim lo\u1ea1i n\u1eb7ng nh\u01b0 s\u1eaft, k\u1ebdm, \u0111\u1ed3ng ho\u1eb7c ph\u1ed1t-pho. Khi \u0111i qua h\u1ec7 th\u1ed1ng SCR \u2013 n\u01a1i c\u00f3 nhi\u1ec7t \u0111\u1ed9 v\u00e0 ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc ph\u1ee9c t\u1ea1p \u2013 c\u00e1c t\u1ea1p ch\u1ea5t n\u00e0y c\u00f3 th\u1ec3 g\u00e2y \u0111\u00f3ng c\u1eb7n tinh th\u1ec3 tr\u1eafng, l\u00e0m t\u1eafc v\u00f2i phun, ho\u1eb7c th\u1eadm ch\u00ed ph\u00e1 h\u1ecfng l\u1edbp x\u00fac t\u00e1c qu\u00fd kim trong b\u1ed9 l\u1ecdc.<\/p>\n

Ng\u01b0\u1ee3c l\u1ea1i, n\u01b0\u1edbc ure \u0111\u1ea1t chu\u1ea9n ISO 22241 \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng quy tr\u00ecnh ki\u1ec3m so\u00e1t nghi\u00eam ng\u1eb7t, s\u1eed d\u1ee5ng ure tinh khi\u1ebft c\u1ea5p k\u1ef9 thu\u1eadt cao, pha trong n\u01b0\u1edbc kh\u1eed ion tuy\u1ec7t \u0111\u1ed1i \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u00f4ng ch\u1ee9a b\u1ea5t k\u1ef3 t\u1ea1p ch\u1ea5t d\u1eabn \u0111i\u1ec7n n\u00e0o. \u0110i\u1ec1u n\u00e0y gi\u00fap h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh h\u00e0ng tr\u0103m ngh\u00ecn kilomet m\u00e0 kh\u00f4ng g\u1eb7p s\u1ef1 c\u1ed1.<\/p>\n

C\u00e2u chuy\u1ec7n th\u1ef1c t\u1ebf: m\u1ed9t l\u1ed7i nh\u1ecf, h\u1eadu qu\u1ea3 l\u1edbn<\/strong><\/h2>\n

M\u1ed9t ch\u1ee7 xe \u0111\u1ea7u k\u00e9o t\u1ea1i B\u00ecnh D\u01b0\u01a1ng t\u1eebng chia s\u1ebb r\u1eb1ng, ch\u1ec9 v\u00ec ham r\u1ebb m\u00e0 anh mua n\u01b0\u1edbc ure tr\u00f4i n\u1ed5i kh\u00f4ng r\u00f5 ngu\u1ed3n g\u1ed1c ngo\u00e0i ch\u1ee3 c\u00f4ng nghi\u1ec7p. Sau v\u00e0i th\u00e1ng, xe b\u1eaft \u0111\u1ea7u b\u00e1o l\u1ed7i DEF, c\u00f4ng su\u1ea5t gi\u1ea3m r\u00f5 r\u1ec7t. Khi mang v\u00e0o x\u01b0\u1edfng ki\u1ec3m tra, k\u1ef9 thu\u1eadt vi\u00ean ph\u00e1t hi\u1ec7n b\u1ed9 x\u00fac t\u00e1c SCR b\u1ecb b\u00e1m \u0111\u1ea7y tinh th\u1ec3 k\u1ebft tinh, v\u00f2i phun ure b\u1ecb ngh\u1eb9t ho\u00e0n to\u00e0n. Chi ph\u00ed thay th\u1ebf l\u00ean \u0111\u1ebfn h\u00e0ng ch\u1ee5c tri\u1ec7u \u0111\u1ed3ng \u2013 cao g\u1ea5p h\u00e0ng ch\u1ee5c l\u1ea7n so v\u1edbi s\u1ed1 ti\u1ec1n ti\u1ebft ki\u1ec7m \u0111\u01b0\u1ee3c khi mua dung d\u1ecbch k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng.<\/p>\n

Tr\u01b0\u1eddng h\u1ee3p n\u00e0y kh\u00f4ng ph\u1ea3i hi\u1ebfm. R\u1ea5t nhi\u1ec1u gara v\u00e0 trung t\u00e2m b\u1ea3o d\u01b0\u1ee1ng \u0111\u1ec1u ghi nh\u1eadn c\u00e1c xe t\u1ea3i, xe kh\u00e1ch g\u1eb7p l\u1ed7i t\u01b0\u01a1ng t\u1ef1 do s\u1eed d\u1ee5ng n\u01b0\u1edbc ure kh\u00f4ng \u0111\u1ea1t chu\u1ea9n, \u0111\u1eb7c bi\u1ec7t l\u00e0 lo\u1ea1i kh\u00f4ng c\u00f3 ch\u1ee9ng nh\u1eadn ISO ho\u1eb7c b\u1ecb pha lo\u00e3ng b\u1eb1ng n\u01b0\u1edbc th\u01b0\u1eddng.<\/p>\n

S\u1ef1 c\u1ed1 n\u00e0y cho th\u1ea5y m\u1ed9t \u0111i\u1ec1u r\u00f5 r\u00e0ng: n\u01b0\u1edbc ure kh\u00f4ng ch\u1ec9 l\u00e0 dung d\u1ecbch, m\u00e0 l\u00e0 y\u1ebfu t\u1ed1 k\u1ef9 thu\u1eadt \u0111\u00f2i h\u1ecfi s\u1ef1 ch\u00ednh x\u00e1c tuy\u1ec7t \u0111\u1ed1i. S\u1ef1 ch\u00eanh l\u1ec7ch d\u00f9 nh\u1ecf trong ch\u1ea5t l\u01b0\u1ee3ng c\u00f3 th\u1ec3 khi\u1ebfn to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng x\u1ea3 c\u1ee7a xe b\u1ecb t\u1ed5n th\u01b0\u01a1ng.<\/p>\n

Khoa h\u1ecdc c\u1ee7a \u0111\u1ed9 tinh khi\u1ebft<\/strong><\/h2>\n

M\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 l\u00e0m n\u00ean s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa c\u00e1c th\u01b0\u01a1ng hi\u1ec7u n\u01b0\u1edbc ure l\u00e0 \u0111\u1ed9 tinh khi\u1ebft c\u1ee7a nguy\u00ean li\u1ec7u v\u00e0 quy tr\u00ecnh pha ch\u1ebf. \u0110\u1ed9 tinh khi\u1ebft n\u00e0y kh\u00f4ng ch\u1ec9 th\u1ec3 hi\u1ec7n qua con s\u1ed1 32,5% ure, m\u00e0 c\u00f2n \u1edf c\u00e1c ch\u1ec9 ti\u00eau vi l\u01b0\u1ee3ng nh\u01b0 h\u00e0m l\u01b0\u1ee3ng kim lo\u1ea1i (Fe, Al, Cu, Zn), h\u00e0m l\u01b0\u1ee3ng aldehyde hay ch\u1ea5t kh\u00f4ng tan.<\/p>\n

Trong quy tr\u00ecnh s\u1ea3n xu\u1ea5t hi\u1ec7n \u0111\u1ea1i, ure \u0111\u01b0\u1ee3c h\u00f2a tan b\u1eb1ng n\u01b0\u1edbc kh\u1eed ion \u2013 lo\u1ea1i n\u01b0\u1edbc \u0111\u00e3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd \u0111\u1ec3 lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n ion canxi, magie, clo hay natri. Sau \u0111\u00f3, dung d\u1ecbch \u0111\u01b0\u1ee3c l\u1ecdc qua m\u00e0ng si\u00eau tinh khi\u1ebft v\u00e0 \u0111\u00f3ng g\u00f3i trong m\u00f4i tr\u01b0\u1eddng v\u00f4 tr\u00f9ng.<\/p>\n

Ch\u00ednh nh\u1edd quy tr\u00ecnh kh\u00e9p k\u00edn n\u00e0y m\u00e0 n\u01b0\u1edbc ure \u0111\u1ea1t chu\u1ea9n c\u00f3 th\u1ec3 b\u1ea3o qu\u1ea3n \u0111\u1ebfn 12 th\u00e1ng, kh\u00f4ng b\u1ecb k\u1ebft tinh, kh\u00f4ng \u0111\u1ed5i m\u00e0u v\u00e0 lu\u00f4n \u0111\u1ea3m b\u1ea3o ph\u1ea3n \u1ee9ng \u1ed5n \u0111\u1ecbnh trong h\u1ec7 th\u1ed1ng SCR.<\/p>\n

\u0110\u00e2y l\u00e0 l\u00fd do v\u00ec sao c\u00e1c th\u01b0\u01a1ng hi\u1ec7u l\u1edbn tr\u00ean th\u1ebf gi\u1edbi, trong \u0111\u00f3 c\u00f3 BlueOne, \u0111\u1ea7u t\u01b0 m\u1ea1nh v\u00e0o d\u00e2y chuy\u1ec1n c\u00f4ng ngh\u1ec7 \u0110\u1ee9c, \u0111\u1ec3 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng t\u1eebng l\u00edt dung d\u1ecbch tr\u01b0\u1edbc khi xu\u1ea5t x\u01b0\u1edfng. V\u1edbi m\u1ed7i m\u1ebb s\u1ea3n xu\u1ea5t, dung d\u1ecbch \u0111\u01b0\u1ee3c \u0111o \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n, h\u00e0m l\u01b0\u1ee3ng nit\u01a1 v\u00e0 ki\u1ec3m tra \u0111\u1ed9 trong quang h\u1ecdc, \u0111\u1ea3m b\u1ea3o ph\u00f9 h\u1ee3p v\u1edbi m\u1ecdi lo\u1ea1i c\u1ea3m bi\u1ebfn c\u1ee7a xe ch\u00e2u \u00c2u, Nh\u1eadt hay H\u00e0n Qu\u1ed1c.<\/p>\n

C\u00e1ch n\u01b0\u1edbc ure gi\u00fap \u0111\u1ed9ng c\u01a1 diesel\u201cth\u1edf\u201d t\u1ed1t h\u01a1n<\/strong><\/h2>\n

Kh\u00f4ng \u00edt ng\u01b0\u1eddi l\u1ea7m t\u01b0\u1edfng r\u1eb1ng vi\u1ec7c b\u1ed5 sung n\u01b0\u1edbc ure ch\u1ec9 ph\u1ee5c v\u1ee5 m\u1ee5c ti\u00eau gi\u1ea3m kh\u00ed th\u1ea3i. Nh\u01b0ng th\u1ef1c t\u1ebf, n\u00f3 c\u00f2n \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t v\u1eadn h\u00e0nh c\u1ee7a to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng.<\/p>\n

Khi kh\u00ed th\u1ea3i \u0111\u01b0\u1ee3c l\u00e0m s\u1ea1ch, b\u1ed9 x\u00fac t\u00e1c kh\u00f4ng b\u1ecb b\u00e1m c\u1eb7n, c\u1ea3m bi\u1ebfn ho\u1ea1t \u0111\u1ed9ng ch\u00ednh x\u00e1c h\u01a1n, gi\u00fap ECU (b\u1ed9 \u0111i\u1ec1u khi\u1ec3n trung t\u00e2m) \u0111i\u1ec1u ch\u1ec9nh t\u1ec9 l\u1ec7 nhi\u00ean li\u1ec7u v\u00e0 kh\u00ed n\u1ea1p t\u1ed1i \u01b0u h\u01a1n. \u0110i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 \u0111\u1ed9ng c\u01a1 \u0111\u1ed1t ch\u00e1y nhi\u00ean li\u1ec7u hi\u1ec7u qu\u1ea3 h\u01a1n, gi\u1ea3m t\u00ecnh tr\u1ea1ng kh\u00f3i \u0111en, gi\u1ea3m ti\u00eau hao v\u00e0 t\u0103ng \u0111\u1ed9 b\u1ec1n piston, van x\u1ea3.<\/p>\n

\u1ede c\u00e1c xe t\u1ea3i \u0111\u01b0\u1eddng d\u00e0i, l\u01b0\u1ee3ng n\u01b0\u1edbc ure ti\u00eau hao trung b\u00ecnh ch\u1ec9 kho\u1ea3ng 3\u20135% so v\u1edbi nhi\u00ean li\u1ec7u diesel, nh\u01b0ng l\u1ee3i \u00edch m\u00e0 n\u00f3 mang l\u1ea1i v\u1ec1 m\u1eb7t v\u1eadn h\u00e0nh v\u00e0 b\u1ea3o v\u1ec7 \u0111\u1ed9ng c\u01a1 v\u01b0\u1ee3t xa con s\u1ed1 \u1ea5y.<\/p>\n

Nhi\u1ec1u t\u00e0i x\u1ebf sau khi s\u1eed d\u1ee5ng n\u01b0\u1edbc ure \u0111\u1ea1t chu\u1ea9n \u0111\u1ec1u nh\u1eadn th\u1ea5y xe ch\u1ea1y \u00eam h\u01a1n, \u00edt kh\u00f3i v\u00e0 \u00edt b\u00e1o l\u1ed7i h\u1ec7 th\u1ed1ng h\u01a1n. \u0110\u00f3 l\u00e0 b\u1eb1ng ch\u1ee9ng r\u00f5 r\u00e0ng r\u1eb1ng khi h\u1ec7 th\u1ed1ng SCR ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang, to\u00e0n b\u1ed9 \u0111\u1ed9ng c\u01a1 c\u0169ng \u201cth\u1edf\u201d d\u1ec5 d\u00e0ng h\u01a1n.<\/p>\n

Nh\u1eefng hi\u1ec3u l\u1ea7m ph\u1ed5 bi\u1ebfn v\u1ec1 n\u01b0\u1edbc ure<\/strong><\/h2>\n

M\u1ed9t trong nh\u1eefng \u0111i\u1ec1u khi\u1ebfn nhi\u1ec1u ng\u01b0\u1eddi s\u1eed d\u1ee5ng b\u1ed1i r\u1ed1i l\u00e0 m\u00f9i v\u00e0 t\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a n\u01b0\u1edbc ure. Dung d\u1ecbch n\u00e0y th\u1ef1c ch\u1ea5t kh\u00f4ng c\u00f3 m\u00f9i kh\u00f3 ch\u1ecbu, h\u01a1i trong su\u1ed1t v\u00e0 c\u00f3 th\u1ec3 h\u01a1i nh\u1eddn nh\u1eb9. Tuy nhi\u00ean, khi ti\u1ebfp x\u00fac l\u00e2u v\u1edbi kh\u00f4ng kh\u00ed ho\u1eb7c \u1edf nhi\u1ec7t \u0111\u1ed9 cao, n\u00f3 c\u00f3 th\u1ec3 ph\u00e1t sinh m\u00f9i nh\u1eb9 c\u1ee7a amoniac \u2013 \u0111i\u1ec1u n\u00e0y ho\u00e0n to\u00e0n b\u00ecnh th\u01b0\u1eddng, kh\u00f4ng ph\u1ea3i d\u1ea5u hi\u1ec7u h\u01b0 h\u1ecfng.<\/p>\n

Nhi\u1ec1u ng\u01b0\u1eddi c\u0169ng cho r\u1eb1ng c\u00f3 th\u1ec3 pha lo\u00e3ng n\u01b0\u1edbc ure b\u1eb1ng n\u01b0\u1edbc l\u1ecdc th\u00f4ng th\u01b0\u1eddng \u0111\u1ec3 ti\u1ebft ki\u1ec7m. \u0110\u00e2y l\u00e0 sai l\u1ea7m l\u1edbn. Vi\u1ec7c pha lo\u00e3ng kh\u00f4ng ch\u1ec9 l\u00e0m gi\u1ea3m hi\u1ec7u qu\u1ea3 x\u1eed l\u00fd NOx, m\u00e0 c\u00f2n khi\u1ebfn c\u1ea3m bi\u1ebfn n\u1ed3ng \u0111\u1ed9 trong h\u1ec7 th\u1ed1ng SCR ghi nh\u1eadn sai l\u1ec7ch, d\u1eabn \u0111\u1ebfn b\u00e1o l\u1ed7i.<\/p>\n

M\u1ed9t s\u1ed1 kh\u00e1c l\u1ea1i ngh\u0129 r\u1eb1ng n\u01b0\u1edbc ure c\u00f3 th\u1ec3 \u201ct\u1ef1 pha\u201d n\u1ebfu c\u00f3 s\u1eb5n ure tinh th\u1ec3. Tuy nhi\u00ean, ure trong n\u00f4ng nghi\u1ec7p ho\u1eb7c c\u00f4ng nghi\u1ec7p kh\u00f4ng \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tinh khi\u1ebft c\u1ea7n thi\u1ebft, v\u00e0 quy tr\u00ecnh h\u00f2a tan \u0111\u00f2i h\u1ecfi thi\u1ebft b\u1ecb chuy\u00ean d\u1ee5ng \u0111\u1ec3 lo\u1ea1i b\u1ecf ion kim lo\u1ea1i. V\u00ec th\u1ebf, vi\u1ec7c \u201ct\u1ef1 ch\u1ebf\u201d dung d\u1ecbch g\u1ea7n nh\u01b0 lu\u00f4n g\u00e2y h\u1ea1i nhi\u1ec1u h\u01a1n l\u1ee3i.<\/p>\n

Khi ch\u1ea5t l\u01b0\u1ee3ng quy\u1ebft \u0111\u1ecbnh uy t\u00edn th\u01b0\u01a1ng hi\u1ec7u<\/strong><\/h2>\n
\"Khi
Khi ch\u1ea5t l\u01b0\u1ee3ng quy\u1ebft \u0111\u1ecbnh uy t\u00edn th\u01b0\u01a1ng hi\u1ec7u<\/em><\/figcaption><\/figure>\n

T\u1ea1i Vi\u1ec7t Nam, nhu c\u1ea7u s\u1eed d\u1ee5ng n\u01b0\u1edbc ure t\u0103ng m\u1ea1nh c\u00f9ng v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a \u0111\u1ed9i xe t\u1ea3i, xe container v\u00e0 xe kh\u00e1ch \u0111\u01b0\u1eddng d\u00e0i. Tuy nhi\u00ean, th\u1ecb tr\u01b0\u1eddng c\u0169ng \u0111ang b\u1ecb nhi\u1ec5u lo\u1ea1n b\u1edfi h\u00e0ng lo\u1ea1t s\u1ea3n ph\u1ea9m tr\u00f4i n\u1ed5i, thi\u1ebfu ki\u1ec3m \u0111\u1ecbnh.<\/p>\n

Nhi\u1ec1u \u0111\u01a1n v\u1ecb s\u1ea3n xu\u1ea5t nh\u1ecf l\u1ebb s\u1eed d\u1ee5ng ngu\u1ed3n ure c\u00f4ng nghi\u1ec7p, pha ch\u1ebf th\u1ee7 c\u00f4ng v\u00e0 d\u00e1n nh\u00e3n \u201cAdBlue<\/a><\/strong>\u201d ho\u1eb7c \u201cn\u01b0\u1edbc ure cao c\u1ea5p\u201d, khi\u1ebfn ng\u01b0\u1eddi ti\u00eau d\u00f9ng kh\u00f3 ph\u00e2n bi\u1ec7t th\u1eadt gi\u1ea3. \u0110i\u1ec1u \u0111\u00e1ng n\u00f3i l\u00e0 ch\u1ec9 c\u1ea7n v\u00e0i ph\u1ea7n tri\u1ec7u t\u1ea1p ch\u1ea5t kim lo\u1ea1i c\u0169ng \u0111\u1ee7 khi\u1ebfn h\u1ec7 th\u1ed1ng SCR b\u1ecb h\u1ecfng \u2013 \u0111i\u1ec1u m\u00e0 m\u1eaft th\u01b0\u1eddng ho\u00e0n to\u00e0n kh\u00f4ng th\u1ec3 ph\u00e1t hi\u1ec7n.<\/p>\n

Trong b\u1ed1i c\u1ea3nh \u0111\u00f3, c\u00e1c th\u01b0\u01a1ng hi\u1ec7u c\u00f3 quy tr\u00ecnh ki\u1ec3m \u0111\u1ecbnh ch\u1eb7t ch\u1ebd nh\u01b0 BlueOne \u0111\u01b0\u1ee3c xem l\u00e0 l\u1ef1a ch\u1ecdn \u0111\u00e1ng tin c\u1eady. N\u01b0\u1edbc ure BlueOne \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t theo c\u00f4ng ngh\u1ec7 \u0110\u1ee9c, \u0111\u1ea1t chu\u1ea9n ISO 22241, v\u00e0 \u0111\u01b0\u1ee3c ki\u1ec3m \u0111\u1ecbnh t\u1ea1i ph\u00f2ng th\u00ed nghi\u1ec7m \u0111\u1ea1t chu\u1ea9n qu\u1ed1c t\u1ebf. Dung d\u1ecbch \u0111\u01b0\u1ee3c \u0111\u00f3ng g\u00f3i trong bao b\u00ec nh\u1ef1a HDPE ch\u1ed1ng tia UV, gi\u00fap b\u1ea3o qu\u1ea3n t\u1ed1i \u01b0u \u1edf kh\u00ed h\u1eadu n\u00f3ng \u1ea9m c\u1ee7a Vi\u1ec7t Nam.<\/p>\n

Kh\u00f4ng \u00edt doanh nghi\u1ec7p v\u1eadn t\u1ea3i l\u1edbn \u0111\u00e3 chuy\u1ec3n sang s\u1eed d\u1ee5ng BlueOne nh\u01b0 m\u1ed9t gi\u1ea3i ph\u00e1p \u1ed5n \u0111\u1ecbnh l\u00e2u d\u00e0i, b\u1edfi h\u1ecd hi\u1ec3u r\u1eb1ng chi ph\u00ed v\u1eadn h\u00e0nh b\u1ec1n v\u1eefng lu\u00f4n b\u1eaft \u0111\u1ea7u t\u1eeb vi\u1ec7c s\u1eed d\u1ee5ng nguy\u00ean li\u1ec7u \u0111\u00fang ti\u00eau chu\u1ea9n.<\/p>\n

N\u01b0\u1edbc ure \u2013 n\u1ec1n t\u1ea3ng c\u1ee7a \u0111\u1ed9ng c\u01a1 s\u1ea1ch<\/strong><\/h2>\n

N\u1ebfu coi h\u1ec7 th\u1ed1ng SCR l\u00e0 tr\u00e1i tim c\u1ee7a c\u00f4ng ngh\u1ec7 x\u1eed l\u00fd kh\u00ed th\u1ea3i, th\u00ec n\u01b0\u1edbc ure ch\u00ednh l\u00e0 d\u00f2ng m\u00e1u nu\u00f4i d\u01b0\u1ee1ng n\u00f3. S\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a dung d\u1ecbch n\u00e0y kh\u00f4ng ch\u1ec9 gi\u00fap \u0111\u1ed9ng c\u01a1 diesel v\u01b0\u1ee3t qua r\u00e0o c\u1ea3n m\u00f4i tr\u01b0\u1eddng, m\u00e0 c\u00f2n g\u00f3p ph\u1ea7n \u0111\u1ecbnh h\u00ecnh l\u1ea1i to\u00e0n b\u1ed9 ng\u00e0nh v\u1eadn t\u1ea3i to\u00e0n c\u1ea7u.<\/p>\n

Ng\u00e0y nay, kh\u00f4ng ch\u1ec9 xe t\u1ea3i hay xe kh\u00e1ch, m\u00e0 ngay c\u1ea3 c\u00e1c d\u00f2ng m\u00e1y c\u00f4ng tr\u00ecnh, xe \u0111\u1ea7u k\u00e9o container, m\u00e1y ph\u00e1t \u0111i\u1ec7n c\u00f4ng nghi\u1ec7p c\u0169ng b\u1eaft \u0111\u1ea7u s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 SCR v\u00e0 n\u01b0\u1edbc ure \u0111\u1ec3 \u0111\u00e1p \u1ee9ng ti\u00eau chu\u1ea9n kh\u00ed th\u1ea3i m\u1edbi.<\/p>\n

Khi nh\u00ecn l\u1ea1i ch\u1eb7ng \u0111\u01b0\u1eddng t\u1eeb nh\u1eefng \u0111\u1ed9ng c\u01a1 diesel kh\u00f3i \u0111en ng\u00e0y x\u01b0a \u0111\u1ebfn nh\u1eefng c\u1ed7 m\u00e1y v\u1eadn h\u00e0nh \u00eam \u00e1i, \u00edt kh\u00f3i, \u00edt m\u00f9i h\u00f4m nay \u2013 ta th\u1ea5y r\u00f5 vai tr\u00f2 th\u1ea7m l\u1eb7ng c\u1ee7a th\u1ee9 dung d\u1ecbch t\u01b0\u1edfng nh\u01b0 \u0111\u01a1n gi\u1ea3n \u1ea5y.<\/p>\n

Ch\u1ec9 c\u1ea7n m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf \u0111\u01b0\u1ee3c phun \u0111\u00fang l\u00fac, \u0111\u00fang c\u00e1ch, n\u01b0\u1edbc ure \u0111\u00e3 gi\u00fap h\u00e0ng tri\u1ec7u ph\u01b0\u01a1ng ti\u1ec7n tr\u00ean th\u1ebf gi\u1edbi \u201cs\u1ed1ng xanh\u201d h\u01a1n m\u1ed7i ng\u00e0y.<\/p>\n

Buy:<\/strong> Dung d\u1ecbch x\u1eed l\u00fd kh\u00ed th\u1ea3i \u0111\u1ed9ng c\u01a1 Diesel Euro 4 5 6<\/a><\/em><\/p>","protected":false},"excerpt":{"rendered":"

N\u01b0\u1edbc ure l\u00e0 g\u00ec? T\u00ecm hi\u1ec3u vai tr\u00f2 trong \u0111\u1ed9ng c\u01a1 diesel Trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y, n\u1ebfu b\u1ea1n s\u1edf h\u1eefu m\u1ed9t chi\u1ebfc xe t\u1ea3i ho\u1eb7c xe kh\u00e1ch s\u1eed d\u1ee5ng \u0111\u1ed9ng c\u01a1 diesel \u0111\u1eddi m\u1edbi, h\u1eb3n kh\u00f4ng xa l\u1ea1 v\u1edbi c\u1ee5m t\u1eeb \u201cn\u01b0\u1edbc ure\u201d. T\u1eeb nh\u1eefng can nh\u1ef1a 10 l\u00edt m\u00e0u xanh tr\u1eafng \u0111\u1eb7t trong kho gara, \u0111\u1ebfn c\u1ea3nh c\u00e1c…<\/p>","protected":false},"author":1,"featured_media":5034,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[82,291],"tags":[],"class_list":["post-5030","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc","category-faqs"],"acf":[],"_links":{"self":[{"href":"https:\/\/demo.blueone.vn\/en\/wp-json\/wp\/v2\/posts\/5030","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/demo.blueone.vn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/demo.blueone.vn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/demo.blueone.vn\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/demo.blueone.vn\/en\/wp-json\/wp\/v2\/comments?post=5030"}],"version-history":[{"count":3,"href":"https:\/\/demo.blueone.vn\/en\/wp-json\/wp\/v2\/posts\/5030\/revisions"}],"predecessor-version":[{"id":5043,"href":"https:\/\/demo.blueone.vn\/en\/wp-json\/wp\/v2\/posts\/5030\/revisions\/5043"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/demo.blueone.vn\/en\/wp-json\/wp\/v2\/media\/5034"}],"wp:attachment":[{"href":"https:\/\/demo.blueone.vn\/en\/wp-json\/wp\/v2\/media?parent=5030"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/demo.blueone.vn\/en\/wp-json\/wp\/v2\/categories?post=5030"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/demo.blueone.vn\/en\/wp-json\/wp\/v2\/tags?post=5030"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}