{"id":707151,"date":"2024-07-26T00:48:23","date_gmt":"2024-07-25T23:48:23","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=707151"},"modified":"2024-07-26T00:48:23","modified_gmt":"2024-07-25T23:48:23","slug":"bo-chuyen-doi-xuc-tac-cong-nghe-giam-phat-thai-su-dung-trong-o-to","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/bo-chuyen-doi-xuc-tac-cong-nghe-giam-phat-thai-su-dung-trong-o-to\/","title":{"rendered":"B\u1ed9 Chuy\u1ec3n \u0110\u1ed5i X\u00fac T\u00e1c | C\u00f4ng Ngh\u1ec7, Gi\u1ea3m Ph\u00e1t Th\u1ea3i, S\u1eed D\u1ee5ng Trong \u00d4 T\u00f4"},"content":{"rendered":"<p class=\"sidekick\">B\u1ed9 Chuy\u1ec3n \u0110\u1ed5i X\u00fac T\u00e1c: T\u00ecm hi\u1ec3u c\u00f4ng ngh\u1ec7 gi\u1ea3m ph\u00e1t th\u1ea3i, c\u00e1ch ho\u1ea1t \u0111\u1ed9ng v\u00e0 \u1ee9ng d\u1ee5ng trong \u00f4 t\u00f4 \u0111\u1ec3 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t \u0111\u1ed9ng c\u01a1.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/bo_chuyen_doi_xuc_tac_cong_nghe_giam_phat_thai_su_dung_trong_o_to.png\" alt=\"B\u1ed9 Chuy\u1ec3n \u0110\u1ed5i X\u00fac T\u00e1c | C\u00f4ng Ngh\u1ec7, Gi\u1ea3m Ph\u00e1t Th\u1ea3i, S\u1eed D\u1ee5ng Trong \u00d4 T\u00f4\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>B\u1ed9 Chuy\u1ec3n \u0110\u1ed5i X\u00fac T\u00e1c | C\u00f4ng Ngh\u1ec7, Gi\u1ea3m Ph\u00e1t Th\u1ea3i, S\u1eed D\u1ee5ng Trong \u00d4 T\u00f4<\/h2>\n<p>Trong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt nhi\u1ec7t, b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c gi\u1ea3m thi\u1ec3u ph\u00e1t th\u1ea3i kh\u00ed \u0111\u1ed9c h\u1ea1i t\u1eeb \u00f4 t\u00f4. \u0110\u01b0\u1ee3c ph\u00e1t tri\u1ec3n t\u1eeb gi\u1eefa th\u1ebf k\u1ef7 20, thi\u1ebft b\u1ecb n\u00e0y \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t y\u1ebfu t\u1ed1 kh\u00f4ng th\u1ec3 thi\u1ebfu trong c\u00f4ng ngh\u1ec7 \u00f4 t\u00f4 hi\u1ec7n \u0111\u1ea1i.<\/p>\n<h2>C\u00f4ng Ngh\u1ec7 C\u1ee7a B\u1ed9 Chuy\u1ec3n \u0110\u1ed5i X\u00fac T\u00e1c<\/h2>\n<p>B\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c g\u1eafn trong h\u1ec7 th\u1ed1ng x\u1ea3 c\u1ee7a \u00f4 t\u00f4, s\u1eed d\u1ee5ng ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc \u0111\u1ec3 bi\u1ebfn \u0111\u1ed5i c\u00e1c kh\u00ed \u0111\u1ed9c h\u1ea1i th\u00e0nh c\u00e1c kh\u00ed \u00edt \u0111\u1ed9c h\u1ea1i h\u01a1n tr\u01b0\u1edbc khi ch\u00fang \u0111\u01b0\u1ee3c th\u1ea3i ra ngo\u00e0i m\u00f4i tr\u01b0\u1eddng.<\/p>\n<ul>\n<li><strong>C\u1ea5u Tr\u00fac:<\/strong> B\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c th\u01b0\u1eddng bao g\u1ed3m m\u1ed9t l\u00f5i g\u1ed1m ho\u1eb7c kim lo\u1ea1i, \u0111\u01b0\u1ee3c bao ph\u1ee7 b\u1edfi m\u1ed9t l\u1edbp ch\u1ea5t x\u00fac t\u00e1c. C\u00e1c ch\u1ea5t x\u00fac t\u00e1c ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 b\u1ea1ch kim (Pt), palladi (Pd), v\u00e0 rhodi (Rh).<\/li>\n<li><strong>C\u01a1 Ch\u1ebf Ho\u1ea1t \u0110\u1ed9ng:<\/strong> Khi kh\u00ed th\u1ea3i t\u1eeb \u0111\u1ed9ng c\u01a1 \u0111i qua b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c, c\u00e1c ch\u1ea5t x\u00fac t\u00e1c s\u1ebd th\u00fac \u0111\u1ea9y c\u00e1c ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc. C\u00e1c ph\u1ea3n \u1ee9ng ch\u00ednh bao g\u1ed3m:<\/li>\n<\/ul>\n<h2>Gi\u1ea3m Ph\u00e1t Th\u1ea3i<\/h2>\n<ul>\n<li><strong>Carbon Monoxide (CO) th\u00e0nh Carbon Dioxide (CO<sub>2<\/sub>):<\/strong><\/li>\n<\/ul>\n<p>2CO + O<sub>2<\/sub> \u2192 2CO<sub>2<\/sub><\/p>\n<ul>\n<li><strong>Hydrocarbon (HC) th\u00e0nh Carbon Dioxide v\u00e0 N\u01b0\u1edbc (H<sub>2<\/sub>O):<\/strong><\/li>\n<\/ul>\n<p>C<sub>x<\/sub>H<sub>y<\/sub> + (x + \\frac{y}{4})O<sub>2<\/sub> \u2192 xCO<sub>2<\/sub> + \\frac{y}{2}H<sub>2<\/sub>O<\/p>\n<ul>\n<li><strong>Nitrogen Oxides (NO<sub>x<\/sub>) th\u00e0nh Nitrogen (N<sub>2<\/sub>) v\u00e0 Oxygen (O<sub>2<\/sub>):<\/strong><\/li>\n<\/ul>\n<p>2NO + 2CO \u2192 N<sub>2<\/sub> + 2CO<sub>2<\/sub><\/p>\n<h2>S\u1eed D\u1ee5ng Trong \u00d4 T\u00f4<\/h2>\n<p>Trong c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n giao th\u00f4ng hi\u1ec7n \u0111\u1ea1i, b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u00e0o h\u1ec7 th\u1ed1ng x\u1ea3 kh\u00ed \u0111\u1ec3 gi\u1ea3m thi\u1ec3u l\u01b0\u1ee3ng kh\u00ed th\u1ea3i \u0111\u1ed9c h\u1ea1i ra m\u00f4i tr\u01b0\u1eddng. C\u00e1c quy \u0111\u1ecbnh nghi\u00eam ng\u1eb7t v\u1ec1 kh\u00ed th\u1ea3i tr\u00ean to\u00e0n th\u1ebf gi\u1edbi \u0111\u00e3 th\u00fac \u0111\u1ea9y vi\u1ec7c s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 n\u00e0y trong t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i xe \u00f4 t\u00f4.<\/p>\n<ol>\n<li><strong>Gi\u1ea3m \u00d4 Nhi\u1ec5m Kh\u00f4ng Kh\u00ed:<\/strong> B\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c gi\u00fap gi\u1ea3m l\u01b0\u1ee3ng kh\u00ed CO, NO<sub>x<\/sub>, v\u00e0 HC, g\u00f3p ph\u1ea7n l\u00e0m s\u1ea1ch kh\u00f4ng kh\u00ed.<\/li>\n<li><strong>N\u00e2ng Cao Hi\u1ec7u Qu\u1ea3 Nhi\u00ean Li\u1ec7u:<\/strong> B\u1eb1ng c\u00e1ch l\u00e0m s\u1ea1ch kh\u00ed x\u1ea3, \u0111\u1ed9ng c\u01a1 c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 h\u01a1n v\u00e0 t\u0103ng hi\u1ec7u su\u1ea5t s\u1eed d\u1ee5ng nhi\u00ean li\u1ec7u.<\/li>\n<li><strong>\u0110\u00e1p \u1ee8ng C\u00e1c Quy \u0110\u1ecbnh Ph\u00e1p L\u00fd:<\/strong> C\u00e1c quy chu\u1ea9n v\u1ec1 kh\u00ed th\u1ea3i ng\u00e0y c\u00e0ng nghi\u00eam ng\u1eb7t y\u00eau c\u1ea7u t\u1ea5t c\u1ea3 c\u00e1c xe \u00f4 t\u00f4 ph\u1ea3i \u0111\u01b0\u1ee3c trang b\u1ecb b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c \u0111\u1ec3 \u0111\u00e1p \u1ee9ng ti\u00eau chu\u1ea9n.<\/li>\n<\/ol>\n<p>Nh\u01b0 v\u1eady, b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c kh\u00f4ng ch\u1ec9 gi\u00fap gi\u1ea3m thi\u1ec3u t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c c\u1ee7a \u00f4 t\u00f4 l\u00ean m\u00f4i tr\u01b0\u1eddng m\u00e0 c\u00f2n c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t \u0111\u1ed9ng c\u01a1 v\u00e0 \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh ph\u00e1p l\u00fd v\u1ec1 kh\u00ed th\u1ea3i.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>B\u1ed9 Chuy\u1ec3n \u0110\u1ed5i X\u00fac T\u00e1c: T\u00ecm hi\u1ec3u c\u00f4ng ngh\u1ec7 gi\u1ea3m ph\u00e1t th\u1ea3i, c\u00e1ch ho\u1ea1t \u0111\u1ed9ng v\u00e0 \u1ee9ng d\u1ee5ng trong \u00f4 t\u00f4 \u0111\u1ec3 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t \u0111\u1ed9ng c\u01a1.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[132],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>B\u1ed9 Chuy\u1ec3n \u0110\u1ed5i X\u00fac T\u00e1c | C\u00f4ng Ngh\u1ec7, Gi\u1ea3m Ph\u00e1t Th\u1ea3i, S\u1eed D\u1ee5ng Trong \u00d4 T\u00f4<\/title>\n<meta name=\"description\" content=\"B\u1ed9 Chuy\u1ec3n \u0110\u1ed5i X\u00fac T\u00e1c: T\u00ecm hi\u1ec3u c\u00f4ng ngh\u1ec7 gi\u1ea3m ph\u00e1t th\u1ea3i, c\u00e1ch ho\u1ea1t \u0111\u1ed9ng v\u00e0 \u1ee9ng d\u1ee5ng trong \u00f4 t\u00f4 \u0111\u1ec3 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t \u0111\u1ed9ng c\u01a1.\" \/>\n<meta name=\"robots\" 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