{"id":4804,"date":"2025-08-26T01:41:16","date_gmt":"2025-08-26T09:41:16","guid":{"rendered":"https:\/\/3waycatalyst.com\/?p=4804"},"modified":"2025-08-26T01:41:51","modified_gmt":"2025-08-26T09:41:51","slug":"difference-between-scr-and-ordinary-catalytic-converter-core","status":"publish","type":"post","link":"https:\/\/3waycatalyst.com\/vi\/difference-between-scr-and-ordinary-catalytic-converter-core\/","title":{"rendered":"S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa SCR v\u00e0 l\u00f5i chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c th\u00f4ng th\u01b0\u1eddng"},"content":{"rendered":"<p>C\u00e1c ph\u01b0\u01a1ng ti\u1ec7n hi\u1ec7n \u0111\u1ea1i d\u1ef1a v\u00e0o h\u1ec7 th\u1ed1ng ki\u1ec3m so\u00e1t kh\u00ed th\u1ea3i ti\u00ean ti\u1ebfn \u0111\u1ec3 gi\u1ea3m thi\u1ec3u c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m c\u00f3 h\u1ea1i trong <strong>kh\u00ed th\u1ea3i<\/strong>. Hai trong s\u1ed1 nh\u1eefng c\u00f4ng ngh\u1ec7 quan tr\u1ecdng nh\u1ea5t l\u00e0 <strong>Gi\u1ea3m x\u00fac t\u00e1c ch\u1ecdn l\u1ecdc (SCR)<\/strong> b\u1ed9 chuy\u1ec3n \u0111\u1ed5i v\u00e0 <strong>b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c th\u00f4ng th\u01b0\u1eddng<\/strong>, th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 <strong><a href=\"https:\/\/3waycatalyst.com\/vi\/three-way-catalytic-converter-twc\/\">Ch\u1ea5t x\u00fac t\u00e1c ba chi\u1ec1u (TWC)<\/a><\/strong>.<\/p>\n\n\n\n<p>Trong khi c\u1ea3 hai h\u1ec7 th\u1ed1ng \u0111\u1ec1u h\u01b0\u1edbng \u0111\u1ebfn m\u1ee5c ti\u00eau gi\u1ea3m thi\u1ec3u kh\u00ed th\u1ea3i \u0111\u1ed9c h\u1ea1i v\u00e0 tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t <strong>ti\u00eau chu\u1ea9n kh\u00ed th\u1ea3i<\/strong>Ch\u00fang kh\u00e1c nhau \u0111\u00e1ng k\u1ec3 v\u1ec1 thi\u1ebft k\u1ebf, v\u1eadt li\u1ec7u l\u00f5i v\u00e0 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng. B\u00e0i vi\u1ebft n\u00e0y gi\u1ea3i th\u00edch chi ti\u1ebft nh\u1eefng kh\u00e1c bi\u1ec7t n\u00e0y v\u00e0 l\u00fd do t\u1ea1i sao m\u1ed7i h\u1ec7 th\u1ed1ng l\u1ea1i ph\u00f9 h\u1ee3p v\u1edbi t\u1eebng lo\u1ea1i \u0111\u1ed9ng c\u01a1 c\u1ee5 th\u1ec3.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">B\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c th\u00f4ng th\u01b0\u1eddng (TWC) l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p>M\u1ed8T <strong>b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c th\u00f4ng th\u01b0\u1eddng<\/strong>\u2014th\u01b0\u1eddng l\u00e0 <strong>b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c ba chi\u1ec1u<\/strong>\u2014l\u00e0 m\u1ed9t <strong>th\u1ee5 \u0111\u1ed9ng<\/strong> thi\u1ebft b\u1ecb l\u00e0m gi\u1ea3m ba ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m ch\u00ednh t\u1eeb \u0111\u1ed9ng c\u01a1 ch\u1ea1y b\u1eb1ng x\u0103ng <strong>\u0111\u1ed9ng c\u01a1 \u0111\u1ed1t trong<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Cacbon monoxit (CO)<\/strong> \u2192 chuy\u1ec3n \u0111\u1ed5i th\u00e0nh <strong>cacbon dioxit (CO\u2082)<\/strong><\/li>\n\n\n\n<li><strong>Hi\u0111rocacbon (HC)<\/strong> \u2192 b\u1ecb oxy h\u00f3a th\u00e0nh <strong>carbon dioxide v\u00e0 n\u01b0\u1edbc (H\u2082O)<\/strong><\/li>\n\n\n\n<li><strong>Oxit nit\u01a1 (NOx)<\/strong> \u2192 gi\u1ea3m th\u00e0nh <strong>nit\u01a1 (N\u2082)<\/strong> V\u00e0 <strong>oxy (O\u2082)<\/strong><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">N\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C\u00f4ng d\u1ee5ng <strong>kim lo\u1ea1i qu\u00fd<\/strong> ch\u1eb3ng h\u1ea1n nh\u01b0 <strong>b\u1ea1ch kim, pala\u0111i v\u00e0 rhodi<\/strong> nh\u01b0 <strong>ch\u1ea5t x\u00fac t\u00e1c<\/strong>.<\/li>\n\n\n\n<li>Ho\u1ea1t \u0111\u1ed9ng th\u00f4ng qua <strong>ph\u1ea3n \u1ee9ng oxy h\u00f3a v\u00e0 kh\u1eed<\/strong> tr\u1ef1c ti\u1ebfp tr\u00ean l\u1edbp n\u1ec1n t\u1ed5 ong b\u00ean trong l\u00f5i.<\/li>\n\n\n\n<li>Kh\u00f4ng y\u00eau c\u1ea7u ti\u00eam h\u00f3a ch\u1ea5t b\u00ean ngo\u00e0i\u2014n\u00f3 ho\u00e0n to\u00e0n d\u1ef1a v\u00e0o <strong>kh\u00ed th\u1ea3i n\u00f3ng<\/strong> v\u00e0 <strong>b\u1ec1 m\u1eb7t ch\u1ea5t x\u00fac t\u00e1c<\/strong>.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u1ee8ng d\u1ee5ng<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong <strong>xe ch\u1ea1y b\u1eb1ng x\u0103ng<\/strong>.<\/li>\n\n\n\n<li>\u0110\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 c\u00e1c <strong>\u0110\u1ea1o lu\u1eadt Kh\u00f4ng kh\u00ed S\u1ea1ch<\/strong> v\u00e0 to\u00e0n c\u1ea7u <strong>y\u00eau c\u1ea7u v\u1ec1 kh\u00ed th\u1ea3i<\/strong>.<\/li>\n\n\n\n<li>Ho\u1ea1t \u0111\u1ed9ng t\u1ed1t cho c\u00e1c \u0111\u1ed9ng c\u01a1 n\u01a1i <strong>CO, HC v\u00e0 NOx<\/strong> \u0111\u1ec1u c\u00f3 m\u1eb7t v\u1edbi s\u1ed1 l\u01b0\u1ee3ng \u0111\u00e1ng k\u1ec3.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/3waycatalyst.com\/vi\/the-essential-guide-to-three-way-catalytic-converters\/\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"635\" src=\"https:\/\/3waycatalyst.com\/wp-content\/uploads\/2025\/07\/Guide-to-Three-Way-Catalytic-Converters.jpg\" alt=\"H\u01b0\u1edbng d\u1eabn thi\u1ebft y\u1ebfu v\u1ec1 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c ba chi\u1ec1u\" class=\"wp-image-1807\" title=\"\" srcset=\"https:\/\/3waycatalyst.com\/wp-content\/uploads\/2025\/07\/Guide-to-Three-Way-Catalytic-Converters.jpg 1024w, https:\/\/3waycatalyst.com\/wp-content\/uploads\/2025\/07\/Guide-to-Three-Way-Catalytic-Converters-300x186.jpg 300w, https:\/\/3waycatalyst.com\/wp-content\/uploads\/2025\/07\/Guide-to-Three-Way-Catalytic-Converters-768x476.jpg 768w, https:\/\/3waycatalyst.com\/wp-content\/uploads\/2025\/07\/Guide-to-Three-Way-Catalytic-Converters-600x372.jpg 600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\"><a href=\"https:\/\/3waycatalyst.com\/vi\/the-essential-guide-to-three-way-catalytic-converters\/\">H\u01b0\u1edbng d\u1eabn thi\u1ebft y\u1ebfu v\u1ec1 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c ba chi\u1ec1u<\/a><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">B\u1ed9 chuy\u1ec3n \u0111\u1ed5i SCR (Kh\u1eed x\u00fac t\u00e1c ch\u1ecdn l\u1ecdc) l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p>C\u00e1c <strong>B\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c SCR<\/strong> l\u00e0 m\u1ed9t <strong>h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng<\/strong> \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ch\u1ee7 y\u1ebfu \u0111\u1ec3 gi\u1ea3m <strong>oxit nit\u01a1 (NOx)<\/strong>, \u0111\u1eb7c bi\u1ec7t cao trong <strong>kh\u00ed th\u1ea3i \u0111\u1ed9ng c\u01a1 diesel<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">N\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tr\u01b0\u1edbc khi kh\u00ed \u0111i v\u00e0o l\u00f5i SCR, m\u1ed9t <strong>h\u1ecd mang v\u1ec1<\/strong> ch\u1eb3ng h\u1ea1n nh\u01b0 <strong>Ch\u1ea5t l\u1ecfng x\u1ea3 Diesel (DEF)<\/strong> ho\u1eb7c <strong>ur\u00ea<\/strong> \u0111\u01b0\u1ee3c phun v\u00e0o lu\u1ed3ng kh\u00ed th\u1ea3i.<\/li>\n\n\n\n<li>B\u00ean trong ch\u1ea5t x\u00fac t\u00e1c SCR, ch\u1ea5t kh\u1eed n\u00e0y ph\u1ea3n \u1ee9ng v\u1edbi <strong>NOx<\/strong> \u0111\u1ec3 s\u1ea3n xu\u1ea5t v\u00f4 h\u1ea1i <strong>nit\u01a1 (N\u2082)<\/strong> V\u00e0 <strong>h\u01a1i n\u01b0\u1edbc (H\u2082O)<\/strong>.<\/li>\n\n\n\n<li>Qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u00f2i h\u1ecfi s\u1ef1 ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c <strong>d\u00f2ng ch\u1ea3y amoniac<\/strong>, nhi\u1ec7t \u0111\u1ed9 kh\u00ed th\u1ea3i v\u00e0 <strong>ph\u00e2n ph\u1ed1i kh\u00ed<\/strong> \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">V\u1eadt li\u1ec7u l\u00f5i x\u00fac t\u00e1c<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Kh\u00f4ng gi\u1ed1ng nh\u01b0 TWC d\u1ef1a tr\u00ean kim lo\u1ea1i qu\u00fd, l\u00f5i SCR th\u01b0\u1eddng s\u1eed d\u1ee5ng <strong>oxit kim lo\u1ea1i c\u01a1 b\u1ea3n<\/strong> (vanadi, molypden, vonfram) ho\u1eb7c <strong>zeolit<\/strong>.<\/li>\n\n\n\n<li><strong>Ch\u1ea5t x\u00fac t\u00e1c zeolit<\/strong> ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n v\u00e0 ch\u1ed1ng \u0103n m\u00f2n li\u00ean quan \u0111\u1ebfn l\u01b0u hu\u1ef3nh t\u1ed1t h\u01a1n kim lo\u1ea1i th\u01b0\u1eddng.<\/li>\n\n\n\n<li><strong>Titan oxit<\/strong> V\u00e0 <strong>xeri<\/strong> c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m v\u1eadt h\u1ed7 tr\u1ee3 \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng s\u1ef1 \u1ed5n \u0111\u1ecbnh.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u1ee8ng d\u1ee5ng<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Thi\u1ebft y\u1ebfu trong <strong>xe ch\u1ea1y b\u1eb1ng d\u1ea7u diesel<\/strong> v\u00e0 \u0111\u1ed9ng c\u01a1 c\u00f4ng nghi\u1ec7p.<\/li>\n\n\n\n<li>C\u00f3 kh\u1ea3 n\u0103ng gi\u1ea3m <strong>Kh\u00ed th\u1ea3i NOx<\/strong> h\u01a1n 90%.<\/li>\n\n\n\n<li>Th\u01b0\u1eddng \u0111\u01b0\u1ee3c gh\u00e9p n\u1ed1i v\u1edbi <strong>b\u1ed9 l\u1ecdc h\u1ea1t diesel (DPF)<\/strong> \u0111\u1ec3 ki\u1ec3m so\u00e1t kh\u00ed th\u1ea3i ho\u00e0n to\u00e0n.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/3waycatalyst.com\/vi\/selective-catalytic-reduction-scr-system-explained\/\"><img decoding=\"async\" width=\"1024\" height=\"635\" src=\"https:\/\/3waycatalyst.com\/wp-content\/uploads\/2025\/08\/SCR.jpg\" alt=\"B\u1ed9 chuy\u1ec3n \u0111\u1ed5i SCR (Gi\u1ea3m x\u00fac t\u00e1c ch\u1ecdn l\u1ecdc)\" class=\"wp-image-4819\" title=\"\" srcset=\"https:\/\/3waycatalyst.com\/wp-content\/uploads\/2025\/08\/SCR.jpg 1024w, https:\/\/3waycatalyst.com\/wp-content\/uploads\/2025\/08\/SCR-300x186.jpg 300w, https:\/\/3waycatalyst.com\/wp-content\/uploads\/2025\/08\/SCR-768x476.jpg 768w, https:\/\/3waycatalyst.com\/wp-content\/uploads\/2025\/08\/SCR-18x12.jpg 18w, https:\/\/3waycatalyst.com\/wp-content\/uploads\/2025\/08\/SCR-600x372.jpg 600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\">H\u1ec7 th\u1ed1ng SCR ch\u1ee7 \u0111\u1ed9ng phun Dung d\u1ecbch x\u1ea3 Diesel (DEF) v\u00e0o kh\u00ed th\u1ea3i, ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc v\u1edbi oxit nit\u01a1 (NOx) \u0111\u1ec3 t\u1ea1o th\u00e0nh nit\u01a1 v\u00e0 n\u01b0\u1edbc v\u00f4 h\u1ea1i.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa SCR v\u00e0 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c th\u00f4ng th\u01b0\u1eddng<\/h2>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><thead><tr><th>T\u00ednh n\u0103ng<\/th><th>B\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c th\u00f4ng th\u01b0\u1eddng (TWC)<\/th><th>B\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c SCR<\/th><\/tr><\/thead><tbody><tr><td><strong>Ch\u1ee9c n\u0103ng<\/strong><\/td><td>Gi\u1ea3m CO, HC v\u00e0 NOx \u0111\u1ed3ng th\u1eddi<\/td><td>\u0110\u1eb7c bi\u1ec7t nh\u1eafm v\u00e0o NOx<\/td><\/tr><tr><td><strong>Qu\u00e1 tr\u00ecnh<\/strong><\/td><td>H\u1ec7 th\u1ed1ng th\u1ee5 \u0111\u1ed9ng; d\u1ef1a v\u00e0o nhi\u1ec7t <strong>kh\u00ed th\u1ea3i<\/strong> v\u00e0 kim lo\u1ea1i qu\u00fd<\/td><td>H\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng; c\u1ea7n ti\u00eam <strong>ur\u00ea\/DEF<\/strong><\/td><\/tr><tr><td><strong>Ch\u1ea5t x\u00fac t\u00e1c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng<\/strong><\/td><td>Kim lo\u1ea1i qu\u00fd: <strong>b\u1ea1ch kim, pala\u0111i, rhodi<\/strong><\/td><td>Kim lo\u1ea1i c\u01a1 b\u1ea3n, <strong>zeolit<\/strong>, vanadi, xeri, titan oxit<\/td><\/tr><tr><td><strong>\u1ee8ng d\u1ee5ng<\/strong><\/td><td>Ch\u1ee7 y\u1ebfu l\u00e0 <strong>\u0111\u1ed9ng c\u01a1 x\u0103ng<\/strong><\/td><td>Ch\u1ee7 y\u1ebfu <strong>\u0111\u1ed9ng c\u01a1 diesel<\/strong><\/td><\/tr><tr><td><strong>Hi\u1ec7u qu\u1ea3<\/strong><\/td><td>Gi\u1ea3m thi\u1ec3u \u00f4 nhi\u1ec5m to\u00e0n di\u1ec7n t\u1ed1t<\/td><td>Hi\u1ec7u su\u1ea5t c\u1ef1c cao \u0111\u1ed1i v\u1edbi NOx (90%+)<\/td><\/tr><tr><td><strong>B\u1ea2O TR\u00cc<\/strong><\/td><td>Th\u1ea5p, nh\u01b0ng nh\u1ea1y c\u1ea3m v\u1edbi nhi\u00ean li\u1ec7u c\u00f3 ch\u00ec, \u0111\u00e1nh l\u1eeda kh\u00f4ng \u0111\u1ec1u ho\u1eb7c t\u1eafc ngh\u1ebdn<\/td><td>Cao h\u01a1n\u2014y\u00eau c\u1ea7u <strong>N\u1ea1p l\u1ea1i DEF<\/strong>, qu\u1ea3n l\u00fd ch\u1ea5t x\u00fac t\u00e1c v\u00e0 \u0111i\u1ec1u ch\u1ec9nh<\/td><\/tr><tr><td><strong>V\u1ecb tr\u00ed<\/strong><\/td><td>G\u1ea7n \u0111\u1ed9ng c\u01a1 trong <strong>h\u1ec7 th\u1ed1ng x\u1ea3<\/strong><\/td><td>Xa h\u01a1n n\u1eefa xu\u1ed1ng \u1ed1ng x\u1ea3, sau \u0111i\u1ec3m phun DEF<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Nh\u1eefng th\u00e1ch th\u1ee9c v\u1edbi t\u1eebng h\u1ec7 th\u1ed1ng<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">B\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c th\u00f4ng th\u01b0\u1eddng<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C\u00f3 th\u1ec3 <strong>B\u1ecb h\u01b0 h\u1ea1i<\/strong> do \u0111\u1ed9ng c\u01a1 b\u1ecb h\u1ecfng ho\u1eb7c b\u1ecb nhi\u1ec5m b\u1ea9n.<\/li>\n\n\n\n<li>Hi\u1ec7u qu\u1ea3 gi\u1ea3m d\u1ea7n theo th\u1eddi gian do c\u1ea5u tr\u00fac t\u1ed5 ong b\u1ecb t\u1eafc ngh\u1ebdn.<\/li>\n\n\n\n<li>D\u1ec5 b\u1ecb t\u1ed5n th\u01b0\u01a1ng <strong>tr\u1ed9m b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong> b\u1edfi v\u00ec <strong>kim lo\u1ea1i qu\u00fd c\u00f3 gi\u00e1 tr\u1ecb<\/strong> b\u00ean trong.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">B\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c SCR<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Nh\u1ea1y c\u1ea3m v\u1edbi <strong>ch\u1ea5t \u0111\u1ed9c<\/strong> nh\u01b0 l\u01b0u hu\u1ef3nh, ph\u1ed1t pho ho\u1eb7c kim lo\u1ea1i n\u1eb7ng trong kh\u00ed th\u1ea3i.<\/li>\n\n\n\n<li><strong>tr\u01b0\u1ee3t amoniac<\/strong> c\u00f3 th\u1ec3 x\u1ea3y ra n\u1ebfu vi\u1ec7c ti\u00eam ch\u1ea5t kh\u1eed kh\u00f4ng \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh \u0111\u00fang c\u00e1ch.<\/li>\n\n\n\n<li>C\u1ea7n b\u1ea3o tr\u00ec li\u00ean t\u1ee5c, n\u1ea1p l\u1ea1i DEF v\u00e0 \u0111\u00f4i khi l\u00e0 t\u00e1i t\u1ea1o ch\u1ea5t x\u00fac t\u00e1c.<\/li>\n\n\n\n<li><strong>Ch\u1ea5t x\u00fac t\u00e1c kim lo\u1ea1i c\u01a1 b\u1ea3n<\/strong> c\u00f3 th\u1ec3 kh\u00f4ng b\u1ec1n \u1edf nhi\u1ec7t \u0111\u1ed9 kh\u1eafc nghi\u1ec7t so v\u1edbi h\u1ec7 th\u1ed1ng d\u1ef1a tr\u00ean zeolit.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">T\u1ea1i sao c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u00f4 t\u00f4 s\u1eed d\u1ee5ng c\u1ea3 hai h\u1ec7 th\u1ed1ng<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Xe ch\u1ea1y b\u1eb1ng x\u0103ng<\/strong> d\u1ef1a v\u00e0o <strong>b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c ba chi\u1ec1u<\/strong> nh\u01b0 <strong>b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c t\u1ed1t nh\u1ea5t<\/strong> \u0111\u1ec3 gi\u1ea3m thi\u1ec3u nhi\u1ec1u lo\u1ea1i ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m.<\/li>\n\n\n\n<li><strong>Xe ch\u1ea1y b\u1eb1ng d\u1ea7u diesel<\/strong> nh\u1eadn nu\u00f4i <strong>C\u00f4ng ngh\u1ec7 SCR<\/strong> \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u nghi\u00eam ng\u1eb7t <strong>Y\u00eau c\u1ea7u v\u1ec1 kh\u00ed th\u1ea3i NOx<\/strong>, v\u00ec b\u1ed9 chuy\u1ec3n \u0111\u1ed5i th\u00f4ng th\u01b0\u1eddng kh\u00f4ng th\u1ec3 gi\u1ea3m NOx c\u1ee7a \u0111\u1ed9ng c\u01a1 diesel m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/li>\n\n\n\n<li>Trong nhi\u1ec1u h\u1ec7 th\u1ed1ng diesel hi\u1ec7n \u0111\u1ea1i, SCR \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p v\u1edbi <strong>DPF<\/strong> v\u00e0 \u0111\u00f4i khi m\u1ed9t <strong>ch\u1ea5t x\u00fac t\u00e1c oxy h\u00f3a<\/strong> \u0111\u1ec3 t\u1ea1o ra gi\u1ea3i ph\u00e1p ki\u1ec3m so\u00e1t kh\u00ed th\u1ea3i \u0111a giai \u0111o\u1ea1n ho\u00e0n ch\u1ec9nh.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Ph\u1ea7n k\u1ebft lu\u1eadn<\/h2>\n\n\n\n<p>C\u00e1c <strong>s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa SCR v\u00e0 l\u00f5i chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c th\u00f4ng th\u01b0\u1eddng<\/strong> ph\u1ee5 thu\u1ed9c v\u00e0o ch\u1ee9c n\u0103ng, thi\u1ebft k\u1ebf v\u00e0 \u1ee9ng d\u1ee5ng:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C\u00e1c <strong>b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c th\u00f4ng th\u01b0\u1eddng<\/strong> (TWC) l\u00e0 m\u1ed9t <strong>th\u1ee5 \u0111\u1ed9ng<\/strong> h\u1ec7 th\u1ed1ng s\u1eed d\u1ee5ng <strong>kim lo\u1ea1i qu\u00fd<\/strong> \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i <strong>CO, HC v\u00e0 NOx<\/strong> v\u00e0o trong <strong>c\u00e1c ch\u1ea5t \u00edt g\u00e2y h\u1ea1i h\u01a1n<\/strong>.<\/li>\n\n\n\n<li>C\u00e1c <strong>H\u1ec7 th\u1ed1ng SCR<\/strong> l\u00e0 m\u1ed9t <strong>c\u00f4ng ngh\u1ec7 ch\u1ee7 \u0111\u1ed9ng<\/strong>, nh\u1eafm m\u1ee5c ti\u00eau c\u1ee5 th\u1ec3 <strong>NOx<\/strong> s\u1eed d\u1ee5ng ch\u1ea5t kh\u1eed nh\u01b0 <strong>ur\u00ea\/DEF<\/strong> k\u1ebft h\u1ee3p v\u1edbi <strong>zeolit<\/strong> ho\u1eb7c <strong>ch\u1ea5t x\u00fac t\u00e1c g\u1ed1c vanadi<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p>C\u1ea3 hai h\u1ec7 th\u1ed1ng \u0111\u1ec1u kh\u00f4ng th\u1ec3 thi\u1ebfu trong th\u1eddi hi\u1ec7n \u0111\u1ea1i <strong>\u00f4 t\u00f4<\/strong> c\u00f4ng ngh\u1ec7, \u0111\u1ea3m b\u1ea3o xe tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t <strong>ti\u00eau chu\u1ea9n kh\u00ed th\u1ea3i<\/strong> trong khi b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng kh\u1ecfi nh\u1eefng t\u00e1c h\u1ea1i <strong>kh\u00ed th\u1ea3i<\/strong>.<\/p>\n\n\n\n<p>S\u1eb5n s\u00e0ng \u0111\u1ec3 b\u1eaft \u0111\u1ea7u? Kh\u00e1m ph\u00e1 <a href=\"\/vi\/contact\/\">3 Way Catalyst hi\u1ec7n t\u1ea1i<\/a> v\u00e0 th\u1ef1c hi\u1ec7n b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean h\u01b0\u1edbng t\u1edbi vi\u1ec7c l\u00e1i xe s\u1ea1ch h\u01a1n v\u00e0 hi\u1ec7u su\u1ea5t \u0111\u1ed9ng c\u01a1 t\u1ed1t h\u01a1n!<\/p>","protected":false},"excerpt":{"rendered":"<p>T\u00ecm hi\u1ec3u nh\u1eefng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa SCR v\u00e0 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c th\u00f4ng th\u01b0\u1eddng, ch\u1ee9c n\u0103ng, quy tr\u00ecnh, ch\u1ea5t x\u00fac t\u00e1c v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a ch\u00fang trong \u0111\u1ed9ng c\u01a1 x\u0103ng v\u00e0 \u0111\u1ed9ng c\u01a1 diesel.<\/p>","protected":false},"author":1,"featured_media":4812,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"googlesitekit_rrm_CAowgdPcCw:productID":"","footnotes":""},"categories":[98],"tags":[1036,1037,498,32,102,1033,1034,1035,1038,26],"class_list":["post-4804","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-guide","tag-catalytic-converter-difference","tag-diesel-emissions","tag-emission-standards","tag-exhaust-system","tag-nox-reduction","tag-ordinary-catalytic-converter","tag-scr-catalytic-converter","tag-scr-vs-twc","tag-selective-catalytic-reduction","tag-three-way-catalytic-converter"],"_links":{"self":[{"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/posts\/4804","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=4804"}],"version-history":[{"count":0,"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/posts\/4804\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/media\/4812"}],"wp:attachment":[{"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/media?parent=4804"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/categories?post=4804"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/tags?post=4804"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}