{"id":4830,"date":"2025-08-26T01:26:41","date_gmt":"2025-08-26T09:26:41","guid":{"rendered":"https:\/\/3waycatalyst.com\/?p=4830"},"modified":"2025-08-26T02:01:54","modified_gmt":"2025-08-26T10:01:54","slug":"selective-catalytic-reduction-scr-system-explained","status":"publish","type":"post","link":"https:\/\/3waycatalyst.com\/vi\/selective-catalytic-reduction-scr-system-explained\/","title":{"rendered":"Gi\u1ea3i th\u00edch v\u1ec1 H\u1ec7 th\u1ed1ng Gi\u1ea3m X\u00fac t\u00e1c Ch\u1ecdn l\u1ecdc cho Ki\u1ec3m so\u00e1t Kh\u00ed th\u1ea3i Hi\u1ec7n \u0111\u1ea1i"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Gi\u1edbi thi\u1ec7u v\u1ec1 c\u00f4ng ngh\u1ec7 SCR<\/h2>\n\n\n\n<p>Gi\u1ea3m thi\u1ec3u x\u00fac t\u00e1c ch\u1ecdn l\u1ecdc (SCR) \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng c\u00f4ng ngh\u1ec7 hi\u1ec7u qu\u1ea3 v\u00e0 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t \u0111\u1ec3 ki\u1ec3m so\u00e1t kh\u00ed th\u1ea3i nit\u01a1 oxit (NOx). NOx l\u00e0 t\u00e1c nh\u00e2n ch\u00ednh g\u00e2y ra kh\u00f3i b\u1ee5i, m\u01b0a axit v\u00e0 c\u00e1c v\u1ea5n \u0111\u1ec1 s\u1ee9c kh\u1ecfe \u0111\u01b0\u1eddng h\u00f4 h\u1ea5p, khi\u1ebfn vi\u1ec7c gi\u1ea3m thi\u1ec3u NOx tr\u1edf th\u00e0nh m\u1ee5c ti\u00eau ch\u00ednh c\u1ee7a c\u00e1c ch\u00ednh s\u00e1ch m\u00f4i tr\u01b0\u1eddng to\u00e0n c\u1ea7u. H\u1ec7 th\u1ed1ng SCR hi\u1ec7n nay \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn trong c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n giao th\u00f4ng, nh\u00e0 m\u00e1y \u0111i\u1ec7n, t\u00e0u bi\u1ec3n v\u00e0 n\u1ed3i h\u01a1i c\u00f4ng nghi\u1ec7p, \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c gi\u1ea3m thi\u1ec3u t\u00e1c \u0111\u1ed9ng m\u00f4i tr\u01b0\u1eddng v\u00e0 \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh nghi\u00eam ng\u1eb7t v\u1ec1 kh\u00ed th\u1ea3i.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">SCR l\u00e0 g\u00ec v\u00e0 n\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n\n\n\n<p>H\u1ec7 th\u1ed1ng SCR ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch phun dung d\u1ecbch g\u1ed1c ur\u00ea, th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 Dung d\u1ecbch X\u1eed l\u00fd Kh\u00ed th\u1ea3i Diesel (DEF) ho\u1eb7c AdBlue\u00ae, v\u00e0o d\u00f2ng kh\u00ed th\u1ea3i. Dung d\u1ecbch n\u00e0y ph\u00e2n h\u1ee7y th\u00e0nh amoniac (NH3), ph\u1ea3n \u1ee9ng v\u1edbi NOx khi c\u00f3 m\u1eb7t ch\u1ea5t x\u00fac t\u00e1c. Ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc n\u00e0y chuy\u1ec3n \u0111\u1ed5i NOx c\u00f3 h\u1ea1i th\u00e0nh nit\u01a1 (N2) v\u00e0 h\u01a1i n\u01b0\u1edbc (H2O) v\u00f4 h\u1ea1i, sau \u0111\u00f3 \u0111\u01b0\u1ee3c th\u1ea3i v\u00e0o kh\u00ed quy\u1ec3n.<\/p>\n\n\n\n<p>Ph\u1ea3n \u1ee9ng chung c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00f3m t\u1eaft nh\u01b0 sau:<\/p>\n\n\n\n<p><strong>4NO + 4NH\u2083 + O\u2082 \u2192 4N\u2082 + 6H\u2082O<\/strong><\/p>\n\n\n\n<p>Qu\u00e1 tr\u00ecnh n\u00e0y c\u00f3 t\u00ednh ch\u1ecdn l\u1ecdc cao, nh\u1eafm m\u1ee5c ti\u00eau c\u1ee5 th\u1ec3 v\u00e0o kh\u00ed th\u1ea3i NOx m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c kh\u00ed th\u1ea3i kh\u00e1c.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a h\u1ec7 th\u1ed1ng SCR<\/h2>\n\n\n\n<p>H\u1ec7 th\u1ed1ng SCR th\u01b0\u1eddng bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>B\u00ecnh ch\u1ee9a v\u00e0 b\u01a1m DEF<\/strong> \u2013 L\u01b0u tr\u1eef v\u00e0 cung c\u1ea5p ch\u1ea5t kh\u1eed.<\/li>\n\n\n\n<li><strong>M\u00f4-\u0111un \u0111\u1ecbnh l\u01b0\u1ee3ng<\/strong> \u2013 Phun DEF ch\u00ednh x\u00e1c v\u00e0o lu\u1ed3ng kh\u00ed th\u1ea3i.<\/li>\n\n\n\n<li><strong>Ch\u1ea5t x\u00fac t\u00e1c SCR<\/strong> \u2013 Cung c\u1ea5p b\u1ec1 m\u1eb7t cho c\u00e1c ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc.<\/li>\n\n\n\n<li><strong>C\u1ea3m bi\u1ebfn v\u00e0 B\u1ed9 \u0111i\u1ec1u khi\u1ec3n<\/strong> \u2013 Theo d\u00f5i t\u00ecnh tr\u1ea1ng kh\u00ed th\u1ea3i \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a qu\u00e1 tr\u00ecnh phun.<\/li>\n<\/ul>\n\n\n\n<p>C\u00e1c b\u1ed9 ph\u1eadn n\u00e0y ho\u1ea1t \u0111\u1ed9ng c\u00f9ng nhau \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o gi\u1ea3m NOx \u0111\u1ed3ng \u0111\u1ec1u \u1edf c\u00e1c m\u1ee9c t\u1ea3i v\u00e0 nhi\u1ec7t \u0111\u1ed9 \u0111\u1ed9ng c\u01a1 kh\u00e1c nhau.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">L\u1ee3i \u00edch c\u1ee7a H\u1ec7 th\u1ed1ng SCR<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Hi\u1ec7u qu\u1ea3 gi\u1ea3m NOx cao<\/strong> \u2013 C\u00f3 th\u1ec3 c\u1eaft gi\u1ea3m l\u01b0\u1ee3ng kh\u00ed th\u1ea3i NOx l\u00ean t\u1edbi 90%.<\/li>\n\n\n\n<li><strong>Ti\u1ebft ki\u1ec7m nhi\u00ean li\u1ec7u \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n<\/strong> \u2013 \u0110\u1ed9ng c\u01a1 c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng v\u1edbi hi\u1ec7u su\u1ea5t cao h\u01a1n v\u00ec h\u1ec7 th\u1ed1ng x\u1eed l\u00fd kh\u00ed th\u1ea3i c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t \u0111\u01b0\u1ee3c l\u01b0\u1ee3ng kh\u00ed th\u1ea3i.<\/li>\n\n\n\n<li><strong>Tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh<\/strong> \u2013 \u0110\u1ea1t ti\u00eau chu\u1ea9n kh\u00ed th\u1ea3i to\u00e0n c\u1ea7u (Euro VI, EPA Tier 4, China VI, v.v.).<\/li>\n\n\n\n<li><strong>T\u00ednh linh ho\u1ea1t<\/strong> \u2013 \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ng\u00e0nh v\u1eadn t\u1ea3i, ph\u00e1t \u0111i\u1ec7n v\u00e0 h\u00e0ng h\u1ea3i.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">SCR so v\u1edbi c\u00e1c c\u00f4ng ngh\u1ec7 ki\u1ec3m so\u00e1t kh\u00ed th\u1ea3i kh\u00e1c<\/h2>\n\n\n\n<p>SCR th\u01b0\u1eddng \u0111\u01b0\u1ee3c so s\u00e1nh v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p gi\u1ea3m ph\u00e1t th\u1ea3i kh\u00e1c:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>B\u1ed9 l\u1ecdc h\u1ea1t diesel (DPF)<\/strong> \u2013 Gi\u1eef l\u1ea1i c\u00e1c h\u1ea1t v\u1eadt ch\u1ea5t nh\u01b0ng kh\u00f4ng l\u00e0m gi\u1ea3m NOx.<\/li>\n\n\n\n<li><strong>Tu\u1ea7n ho\u00e0n kh\u00ed th\u1ea3i (EGR)<\/strong> \u2013 Tu\u1ea7n ho\u00e0n kh\u00ed th\u1ea3i \u0111\u1ec3 gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 ch\u00e1y, gi\u1ea3m NOx nh\u01b0ng th\u01b0\u1eddng k\u00e9m hi\u1ec7u qu\u1ea3 h\u01a1n SCR.<\/li>\n\n\n\n<li><strong>Ch\u1ea5t x\u00fac t\u00e1c ba chi\u1ec1u (TWC)<\/strong> \u2013 Th\u01b0\u1eddng g\u1eb7p \u1edf xe ch\u1ea1y x\u0103ng nh\u01b0ng kh\u00f4ng \u0111\u1ee7 \u0111\u1ed1i v\u1edbi m\u1ee9c NOx c\u1ee7a xe ch\u1ea1y d\u1ea7u diesel.<\/li>\n<\/ul>\n\n\n\n<p>So v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p n\u00e0y, SCR cung c\u1ea5p kh\u1ea3 n\u0103ng gi\u1ea3m NOx \u0111\u00e1ng tin c\u1eady nh\u1ea5t trong th\u1eddi gian d\u00e0i, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong \u0111i\u1ec1u ki\u1ec7n t\u1ea3i tr\u1ecdng cao.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Nh\u1eefng th\u00e1ch th\u1ee9c v\u00e0 h\u1ea1n ch\u1ebf c\u1ee7a SCR<\/h2>\n\n\n\n<p>M\u1eb7c d\u00f9 c\u00f3 nhi\u1ec1u \u01b0u \u0111i\u1ec3m, h\u1ec7 th\u1ed1ng SCR v\u1eabn ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi m\u1ed9t s\u1ed1 th\u00e1ch th\u1ee9c:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Cung c\u1ea5p v\u00e0 l\u01b0u tr\u1eef DEF<\/strong> \u2013 C\u1ea7n ph\u1ea3i n\u1ea1p DEF th\u01b0\u1eddng xuy\u00ean, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 b\u1ea5t ti\u1ec7n \u1edf nh\u1eefng v\u00f9ng xa x\u00f4i.<\/li>\n\n\n\n<li><strong>\u0110\u1ed9 nh\u1ea1y nhi\u1ec7t \u0111\u1ed9<\/strong> \u2013 Ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u1ea5t \u1edf nhi\u1ec7t \u0111\u1ed9 200\u2013400\u00b0C; hi\u1ec7u su\u1ea5t gi\u1ea3m \u1edf nhi\u1ec7t \u0111\u1ed9 kh\u00ed th\u1ea3i th\u1ea5p.<\/li>\n\n\n\n<li><strong>Chi ph\u00ed ban \u0111\u1ea7u<\/strong> \u2013 \u0110\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a vi\u1ec7c l\u1eafp \u0111\u1eb7t v\u00e0 h\u1ec7 th\u1ed1ng l\u00e0m t\u0103ng chi ph\u00ed cho xe ho\u1eb7c thi\u1ebft b\u1ecb.<\/li>\n\n\n\n<li><strong>Nhu c\u1ea7u b\u1ea3o tr\u00ec<\/strong> \u2013 C\u1ea7n theo d\u00f5i ch\u1ea5t l\u01b0\u1ee3ng DEF v\u00e0 t\u00ecnh tr\u1ea1ng ch\u1ea5t x\u00fac t\u00e1c.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">T\u01b0\u01a1ng lai c\u1ee7a c\u00f4ng ngh\u1ec7 SCR<\/h2>\n\n\n\n<p>Khi c\u00e1c ti\u00eau chu\u1ea9n kh\u00ed th\u1ea3i ng\u00e0y c\u00e0ng nghi\u00eam ng\u1eb7t h\u01a1n tr\u00ean to\u00e0n th\u1ebf gi\u1edbi, SCR ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ch\u1ea5t x\u00fac t\u00e1c n\u00e2ng cao<\/strong> \u2013 C\u00e1c ch\u1ea5t x\u00fac t\u00e1c g\u1ed1c \u0111\u1ed3ng v\u00e0 s\u1eaft \u0111ang \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n \u0111\u1ec3 c\u00f3 hi\u1ec7u su\u1ea5t cao h\u01a1n \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p h\u01a1n.<\/li>\n\n\n\n<li><strong>T\u00edch h\u1ee3p v\u1edbi H\u1ec7 th\u1ed1ng lai<\/strong> \u2013 SCR d\u1ef1 ki\u1ebfn \u200b\u200bs\u1ebd b\u1ed5 sung cho \u0111\u1ed9ng c\u01a1 hybrid v\u00e0 \u0111\u1ed9ng c\u01a1 hydro khi qu\u00e1 tr\u00ecnh \u0111\u1ed1t ch\u00e1y v\u1eabn t\u1ea1o ra NOx.<\/li>\n\n\n\n<li><strong>Ki\u1ec3m so\u00e1t th\u00f4ng minh h\u01a1n<\/strong> \u2013 C\u00e1c chi\u1ebfn l\u01b0\u1ee3c \u0111\u1ecbnh l\u01b0\u1ee3ng d\u1ef1a tr\u00ean AI \u0111ang n\u1ed5i l\u00ean \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a vi\u1ec7c s\u1eed d\u1ee5ng DEF v\u00e0 c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u1ec1n.<\/li>\n\n\n\n<li><strong>Euro VII v\u00e0 h\u01a1n th\u1ebf n\u1eefa<\/strong> \u2013 C\u00e1c quy \u0111\u1ecbnh s\u1eafp t\u1edbi s\u1ebd y\u00eau c\u1ea7u l\u01b0\u1ee3ng kh\u00ed th\u1ea3i NOx g\u1ea7n b\u1eb1ng 0, th\u00fac \u0111\u1ea9y c\u00f4ng ngh\u1ec7 SCR c\u00f3 nh\u1eefng thi\u1ebft k\u1ebf tinh vi h\u01a1n n\u1eefa.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Nh\u1eefng c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQ)<\/h2>\n\n\n\n<p><strong>1. SCR c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng ti\u1ebft ki\u1ec7m nhi\u00ean li\u1ec7u kh\u00f4ng?<\/strong><br>C\u00f3. B\u1eb1ng c\u00e1ch cho ph\u00e9p \u0111\u1ed9ng c\u01a1 ho\u1ea1t \u0111\u1ed9ng \u1edf hi\u1ec7u su\u1ea5t cao h\u01a1n, h\u1ec7 th\u1ed1ng SCR th\u1ef1c s\u1ef1 c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ti\u1ebft ki\u1ec7m nhi\u00ean li\u1ec7u so v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p s\u1eed d\u1ee5ng nhi\u1ec1u EGR.<\/p>\n\n\n\n<p><strong>2. T\u00f4i c\u1ea7n n\u1ea1p l\u1ea1i DEF bao l\u00e2u m\u1ed9t l\u1ea7n?<\/strong><br>T\u00f9y thu\u1ed9c v\u00e0o c\u00e1ch s\u1eed d\u1ee5ng xe, nh\u01b0ng nh\u00ecn chung m\u1ee9c ti\u00eau th\u1ee5 DEF chi\u1ebfm kho\u1ea3ng 2\u20133% m\u1ee9c ti\u00eau th\u1ee5 nhi\u00ean li\u1ec7u.<\/p>\n\n\n\n<p><strong>3. SCR c\u00f3 ph\u1ea3i l\u00e0 y\u00eau c\u1ea7u b\u1eaft bu\u1ed9c theo lu\u1eadt kh\u00f4ng?<\/strong><br>\u1ede h\u1ea7u h\u1ebft c\u00e1c khu v\u1ef1c th\u00ec c\u00f3. Xe diesel h\u1ea1ng n\u1eb7ng v\u00e0 nh\u00e0 m\u00e1y \u0111i\u1ec7n ph\u1ea3i s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 SCR ho\u1eb7c c\u00f4ng ngh\u1ec7 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng \u0111\u1ec3 \u0111\u00e1p \u1ee9ng quy \u0111\u1ecbnh v\u1ec1 kh\u00ed th\u1ea3i.<\/p>\n\n\n\n<p><strong>4. H\u1ec7 th\u1ed1ng SCR c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t th\u00eam kh\u00f4ng?<\/strong><br>C\u00f3. C\u00e1c lo\u1ea1i xe c\u0169 v\u00e0 thi\u1ebft b\u1ecb c\u00f4ng nghi\u1ec7p th\u01b0\u1eddng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c trang b\u1ecb th\u00eam h\u1ec7 th\u1ed1ng SCR \u0111\u1ec3 tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n kh\u00ed th\u1ea3i hi\u1ec7n \u0111\u1ea1i.<\/p>\n\n\n\n<p><strong>5. \u0110i\u1ec1u g\u00ec x\u1ea3y ra n\u1ebfu b\u00ecnh DEF h\u1ebft?<\/strong><br>H\u1ea7u h\u1ebft c\u00e1c xe \u0111\u1ec1u \u0111\u01b0\u1ee3c l\u1eadp tr\u00ecnh \u0111\u1ec3 gi\u1ea3m c\u00f4ng su\u1ea5t ho\u1eb7c ng\u0103n kh\u1edfi \u0111\u1ed9ng l\u1ea1i cho \u0111\u1ebfn khi b\u00ecnh DEF \u0111\u01b0\u1ee3c n\u1ea1p \u0111\u1ea7y, \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ph\u1ea7n k\u1ebft lu\u1eadn<\/h2>\n\n\n\n<p>Gi\u1ea3m X\u00fac t\u00e1c Ch\u1ecdn l\u1ecdc (SCR) l\u00e0 c\u00f4ng ngh\u1ec7 n\u1ec1n t\u1ea3ng gi\u00fap gi\u1ea3m ph\u00e1t th\u1ea3i NOx trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p. V\u1edbi kh\u1ea3 n\u0103ng c\u1eaft gi\u1ea3m t\u1edbi 90% l\u01b0\u1ee3ng kh\u00ed th\u1ea3i \u0111\u1ed9c h\u1ea1i, c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t nhi\u00ean li\u1ec7u v\u00e0 \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh nghi\u00eam ng\u1eb7t, SCR v\u1eabn l\u00e0 con \u0111\u01b0\u1eddng hi\u1ec7u qu\u1ea3 nh\u1ea5t h\u01b0\u1edbng t\u1edbi kh\u00f4ng kh\u00ed s\u1ea1ch h\u01a1n v\u00e0 m\u00f4i tr\u01b0\u1eddng l\u00e0nh m\u1ea1nh h\u01a1n. Khi c\u00f4ng ngh\u1ec7 ph\u00e1t tri\u1ec3n, SCR s\u1ebd ti\u1ebfp t\u1ee5c \u0111\u00f3ng vai tr\u00f2 h\u00e0ng \u0111\u1ea7u trong v\u1eadn t\u1ea3i v\u00e0 ho\u1ea1t \u0111\u1ed9ng c\u00f4ng nghi\u1ec7p b\u1ec1n v\u1eefng.<\/p>\n\n\n\n<p><strong><a href=\"\/vi\/contact\/\">B\u1ea1n \u0111\u00e3 s\u1eb5n s\u00e0ng b\u1eaft \u0111\u1ea7u ch\u01b0a? Kh\u00e1m ph\u00e1 c\u00f4ng ngh\u1ec7 SCR ngay!<\/a><\/strong><\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>Kh\u00e1m ph\u00e1 c\u00e1ch c\u00f4ng ngh\u1ec7 kh\u1eed x\u00fac t\u00e1c ch\u1ecdn l\u1ecdc (SCR) gi\u00fap gi\u1ea3m l\u01b0\u1ee3ng kh\u00ed th\u1ea3i NOx l\u00ean \u0111\u1ebfn 90%. T\u00ecm hi\u1ec3u nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng, l\u1ee3i \u00edch, th\u00e1ch th\u1ee9c v\u00e0 \u1ee9ng d\u1ee5ng trong t\u01b0\u01a1ng lai c\u1ee7a c\u00f4ng ngh\u1ec7 n\u00e0y.<\/p>","protected":false},"author":1,"featured_media":4848,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"googlesitekit_rrm_CAowgdPcCw:productID":"","footnotes":""},"categories":[98],"tags":[1047,102,1050,1048,1052,1049,1046,1053,1038],"class_list":["post-4830","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-guide","tag-diesel-scr","tag-nox-reduction","tag-scr-benefits","tag-scr-catalyst","tag-scr-emissions-control","tag-scr-system","tag-scr-vs-egr","tag-scr-working-principle","tag-selective-catalytic-reduction"],"_links":{"self":[{"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/posts\/4830","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=4830"}],"version-history":[{"count":0,"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/posts\/4830\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/media\/4848"}],"wp:attachment":[{"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/media?parent=4830"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/categories?post=4830"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/tags?post=4830"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}