{"id":250243,"date":"2023-05-01T06:15:01","date_gmt":"2023-04-30T22:15:01","guid":{"rendered":"\/\/m.iemloyee.com\/?p=250243"},"modified":"2023-04-27T14:15:14","modified_gmt":"2023-04-27T06:15:14","slug":"%e6%b0%a8%e9%80%89%e6%8b%a9%e5%82%ac%e5%8c%96%e8%bf%98%e5%8e%9f%e4%b8%93%e6%a0%8f","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=250243","title":{"rendered":"\u6c28\u9009\u62e9\u50ac\u5316\u8fd8\u539f\u4e13\u680f"},"content":{"rendered":"

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\u6c2e\u6c27\u5316\u7269\uff08NOx<\/sub>\uff09\u662f\u9020\u6210\u5927\u6c14\u6c61\u67d3\u7684\u4e3b\u8981\u6c61\u67d3\u7269\u4e4b\u4e00\uff0c\u300a2021\u5e74\u4e2d\u56fd\u751f\u6001\u73af\u5883\u7edf\u8ba1\u5e74\u62a5\u300b\u6570\u636e\u663e\u793a\uff0c2021\u5e74\u5168\u56fdNOx<\/sub>\u6392\u653e\u91cf\u4e3a988.4\u4e07\u5428\uff0c\u5360\u5168\u5e74\u5e9f\u6c14\u6c61\u67d3\u7269\u6392\u653e\u91cf\u768441.3%\u3002\u6c28\u9009\u62e9\u50ac\u5316\u8fd8\u539f\uff08NH3<\/sub>-SCR\uff09\u662f\u6d88\u9664NOx<\/sub>\u7684\u6709\u6548\u624b\u6bb5\uff0cV2<\/sub>O5<\/sub>-WO3<\/sub>(MoO3<\/sub>)\/TiO2<\/sub>\u50ac\u5316\u5242\u5df2\u5728\u71c3\u7164\u7535\u5382\u5e94\u7528\u3002\u7136\u800c\uff0c\u968f\u7740\u73af\u4fdd\u8981\u6c42\u3001\u5de5\u827a\u6761\u4ef6\u7684\u53d8\u5316\uff0c\u5f00\u53d1\u65b0\u578b\u4f4e\u6e29\u9ad8\u6548\u3001\u5bbd\u6e29\u5ea6\u7a97\u53e3\u3001\u8010H2<\/sub>O\/SO2<\/sub>\u3001\u7a33\u5b9a\u6027\u5f3a\u7684SCR\u50ac\u5316\u5242\u52bf\u5728\u5fc5\u884c\u3002\u63a2\u660eNH3<\/sub>-SCR\u53cd\u5e94\u673a\u7406\uff0c\u7406\u89e3\u50ac\u5316\u5242\u7684\u4e2d\u6bd2\u4e0e\u6297\u6bd2\u673a\u5236\uff0c\u662f\u5f00\u53d1\u65b0\u578bSCR\u50ac\u5316\u5242\u7684\u524d\u63d0\u3002<\/p>\n

 <\/p>\n

1.\u00a0<\/b>\u4e2d\u56fd\u79d1\u5b66\u9662\u57ce\u5e02\u73af\u5883\u7814\u7a76\u6240\u4eae\u70b9\u6587\u7ae0\uff1aTiO2\u4fee\u9970\u7684CeVO4\u50ac\u5316\u5242\u7528\u4e8eNH3\u9009\u62e9\u6027\u50ac\u5316\u8fd8\u539fNOx<\/b><\/strong><\/h1>\n

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\u76f8\u5173\u7814\u7a76\u6210\u679c\u4ee5\u201cTiO<\/i><\/em>2<\/i><\/sub><\/em>-modified CeVO<\/i><\/em>4<\/i><\/sub><\/em>\u00a0catalyst for the selective catalytic reduction of NO<\/i><\/em>x<\/i><\/sub><\/em>\u00a0with NH<\/i><\/em>3<\/i><\/sub><\/em>\u2020<\/i><\/em>\u201d\u4e3a\u9898\u53d1\u8868\u5728\u56fd\u9645\u77e5\u540d\u671f\u520aCatalysisScience &Technology<\/i><\/em>\u4e0a\u3002<\/p>\n

\u539f\u6587\u8be6\u60c5\uff1a\u4e2d\u56fd\u79d1\u5b66\u9662\u57ce\u5e02\u73af\u5883\u7814\u7a76\u6240\u4eae\u70b9\u6587\u7ae0\uff1aTiO2\u4fee\u9970\u7684CeVO4\u50ac\u5316\u5242\u7528\u4e8eNH3\u9009\u62e9\u6027\u50ac\u5316\u8fd8\u539fNOx<\/a><\/b><\/strong><\/h1>\n

 <\/p>\n

2.\u00a0<\/b>Applied Catalysis B\uff1a\u73b0\u5b9e\u73af\u5883\u4e0e\u5b9e\u9a8c\u5ba4Cu\/SSZ-13 SCR\u50ac\u5316\u5242\u52a0\u901f\u8001\u5316\u7684\u5bf9\u6bd4\u7814\u7a76<\/b><\/strong><\/h1>\n

\"\"<\/p>\n

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\u76f8\u5173\u7814\u7a76\u5de5\u4f5c\u4ee5\u201cA comparative study between real-world and laboratory accelerated aging of Cu\/SSZ-13 SCR catalysts\u201d\u4e3a\u9898\u53d1\u8868\u5728\u56fd\u9645\u9876\u7ea7\u671f\u520aApplied Catalysis B\u4e0a\u3002<\/p>\n

\u539f\u6587\u8be6\u60c5\uff1aApplied Catalysis B\uff1a\u73b0\u5b9e\u73af\u5883\u4e0e\u5b9e\u9a8c\u5ba4Cu\/SSZ-13 SCR\u50ac\u5316\u5242\u52a0\u901f\u8001\u5316\u7684\u5bf9\u6bd4\u7814\u7a76<\/a><\/b><\/strong><\/h1>\n

 <\/p>\n

3.\u00a0<\/b>ACS Catal.\uff1aFe-\u6cb8\u77f3\u4e0aNH3-SCR\u673a\u7406\u7684\u539f\u4f4d\u5149\u8c31\u7814\u7a76<\/b><\/strong><\/h1>\n

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\u65e5\u672c\u5317\u6d77\u9053\u5927\u5b66Ken-ichi Shimizu\u6559\u6388<\/strong>\u91c7\u7528\u539f\u4f4d\/\u64cd\u4f5c\u5149\u8c31\uff08\u7ea2\u5916\u3001\u7d2b\u5916\u548cFe-edge X\u5c04\u7ebf\u5438\u6536\u8fd1\u8fb9\u7ed3\u6784\uff09\u548c\u5bc6\u5ea6\u6cdb\u51fd\u7406\u8bba\uff08DFT\uff09\u8ba1\u7b97\uff0c\u7814\u7a76\u4e86\u5728300\u2103\u4e0bNH3<\/sub>\uff08NH3<\/sub>-SCR\uff09\u5bf9\u94c1\u4ea4\u6362\u4e1d\u5149\u6cb8\u77f3\uff08MOR\uff09\u5206\u5b50\u7b5b\u9009\u62e9\u6027\u50ac\u5316\u8fd8\u539fNO\u7684\u8fd8\u539f\/\u6c27\u5316\u534a\u5faa\u73af\u3002\u4e0d\u540c\u7684\u5149\u8c31\u7ed3\u679c\u8868\u660e\uff0c\u5728\u8fd8\u539f\u534a\u5faa\u73af\uff08NO+NH3<\/sub>\uff09\u4e2d\uff0cFe3+<\/sup>\u8fd8\u539f\u4e3aFe2+<\/sup>\uff0c\u540c\u65f6\u5f62\u6210N2<\/sub>\u548cH2<\/sub>O\u3002\u5728\u968f\u540e\u7684\u6c27\u5316\u534a\u5faa\u73af\u4e2d\uff08\u5728O2<\/sub>\u6216NO+O2<\/sub>\u4e0b\uff09\uff0cFe2+<\/sup>\u88ab\u518d\u6c27\u5316\u4e3aFe3+<\/sup>\u3002\u8fd8\u539f\u534a\u5faa\u73af\u5305\u62ec\u51e0\u4e2a\u57fa\u672c\u6b65\u9aa4\u3002\u5728\u4f4e\u6e29\uff08<100\u2103\uff09\u4e0b\uff0cFe3+<\/sup>-OH\u8fd8\u539f\u4ea7\u751fFe2+<\/sup>\u548cNO+<\/sup>\uff0c\u800c\u5728100\u2103\u7684NH3<\/sub>\u66b4\u9732\u4e0b\uff0c\u89c2\u5bdf\u5230NO+<\/sup>\u8fd8\u539f\u9a71\u52a8N2<\/sub>\u5f62\u6210\u3002\u5728\u77ac\u6001\u6761\u4ef6\u4e0b\uff0c\u5f53B-NH3<\/sub>\u8986\u76d6\u7387\u8f83\u4f4e\u65f6\uff0cBr\u00f8nsted\u9178\u4f4d\u70b9\uff08B-NH3<\/sub>\uff09\u4e0a\u7684\u6c28\u4e0eNO\u53cd\u5e94\u751f\u6210N2<\/sub>\uff0c\u8868\u660eB-NH3<\/sub>\u4f1a\u53c2\u4e0e\u53cd\u5e94\u3002\u540c\u65f6\uff0c\u8fc7\u6e21\u6001\u8ba1\u7b97\u7406\u8bba\u4e0a\u8868\u660e\uff0c\u7531[Fe3+<\/sup>(OH–<\/sup>)2<\/sub>]+<\/sup>\u548c\u6c14\u6001NO\u5f62\u6210\u4e9a\u785d\u9178\uff08HONO\uff09\u4e2d\u95f4\u4f53\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u8fc7\u7a0b\uff08Ea<\/sub>=29.2 kJ\/mol\uff09\u3002\u7ed3\u5408\u5b9e\u9a8c\u89c2\u5bdf\u548cDFT\u8ba1\u7b97\uff0c\u672c\u6587\u63d0\u51fa\u4e86Fe-\u6cb8\u77f3\u4e0a\u8fd8\u539f\u534a\u5faa\u73af\u7684\u673a\u7406\uff1a[Fe<\/strong>3+<\/sup><\/strong>(OH<\/strong>–<\/sup><\/strong>)<\/strong>2<\/sub><\/strong>]<\/strong>+<\/sup><\/strong>\u88abNO\u8fd8\u539f\u751f\u6210HONO\u4e2d\u95f4\u4f53\uff0cHONO\u4e2d\u95f4\u4f53\u4e0eBr\u00f8nsted\u9178\u4f4d\u70b9\u4e0a\u7684NH<\/strong>3<\/sub><\/strong>\u53cd\u5e94\uff0c\u901a\u8fc7NO<\/strong>+<\/sup><\/strong>\u751f\u6210H<\/strong>2<\/sub><\/strong>O\u548cN<\/strong>2<\/sub><\/strong>\u3002\u57fa\u4e8e\u4e0a\u8ff0\u673a\u7406\u89c1\u89e3\uff0c\u5bf9\u4e0d\u540cFe\u8377\u8f7d\u548cSi\/Al\u6bd4\u7684Fe-\u6cb8\u77f3\uff08MOR\u548c\u03b2\uff09\u8fdb\u884c\u4e86NH3<\/sub>-SCR\u53cd\u5e94\u3002\u7ed3\u679c\u8868\u660e\uff0c\u5177\u6709\u5927\u91cfBr\u00f8nsted\u9178\u4f4d\u70b9\u7684\u542b2.7 wt %\u94c1-\u6cb8\u77f3\uff08Si\/Al\u6bd4\u4e3a5\uff09\uff0c\u5728\u4f4e\u6e29\u533a\u57df\u663e\u793a\u51fa\u6700\u9ad8\u7684NOx<\/sub>\u8f6c\u5316\u7387\u3002<\/p>\n

\u76f8\u5173\u7814\u7a76\u6210\u679c\u4ee5\u201cIn Situ<\/i><\/em>\/Operando Spectroscopic Studies on the NH<\/strong>3<\/sub><\/strong>-SCR Mechanism over Fe-Zeolites<\/strong>\u201d\u4e3a\u9898\u53d1\u8868\u5728ACS Catal.<\/i><\/em><\/strong>\u4e0a\u3002<\/p>\n

\u539f\u6587\u8be6\u60c5\uff1aACS Catal.\uff1aFe-\u6cb8\u77f3\u4e0aNH3-SCR\u673a\u7406\u7684\u539f\u4f4d\u5149\u8c31\u7814\u7a76<\/a><\/p>\n

 <\/p>\n

4.\u00a0<\/b>\u4e0a\u6d77\u5927\u5b66ACS Catalysis\uff1aCe4+-SO42\u2013\u914d\u5bf9\u4f4d\u70b9\u4fc3\u8fdb\u6c2e\u6c27\u5316\u7269\u7684\u9009\u62e9\u6027\u50ac\u5316\u8fd8\u539f\u53ca\u5176\u5bf9SO2\u7684\u8010\u53d7\u6027\u63d0\u5347<\/b><\/strong><\/h1>\n

\"\"<\/p>\n

\u6700\u8fd1\uff0c\u4e0a\u6d77\u5927\u5b66\u5f20\u767b\u677e\u56e2\u961f\u63d0\u51fa\u4e86\u4e00\u79cd\u901a\u8fc7\u786b\u63ba\u6742\u63d0\u9ad8\u50ac\u5316\u5242\u5bf9SO2<\/sub>\u7684\u8010\u53d7\u6027\u4ee5\u63d0\u9ad8\u6c2e\u6c27\u5316\u7269\u50ac\u5316\u8fd8\u539f\u6548\u7387\u7684\u65b9\u6cd5\u3002\u8be5\u65b9\u6cd5\u5229\u7528\u786b\u63ba\u6742\u5242\u5927\u91cf\u5f62\u6210\u53cc\u8054\u6865\u5f0f\u786b\u9178\u76d0\uff0c\u914d\u4f4d\u4e8eCeO2<\/sub>\u50ac\u5316\u5242\u7684\u8868\u9762\u4e0a\uff0c\u5e76\u901a\u8fc7\u5f3a\u7535\u8d1f\u6027\u4f7f\u76f8\u90bb\u7684Ce\u539f\u5b50\u53d8\u6210\u7535\u8377\u7f3a\u9677\u3002\u8fd9\u79cd\u7535\u5b50\u6548\u5e94\u6709\u52a9\u4e8e\u51cf\u5f31CeO2<\/sub>\u4e0eSO2<\/sub>\u4e4b\u95f4\u7684\u7535\u5b50\u76f8\u4e92\u4f5c\u7528\uff0c\u4ece\u800c\u6291\u5236SO2<\/sub>\u7684\u5438\u9644\u548c\u6c27\u5316\uff0c\u540c\u65f6\u51cf\u7f13CeO2<\/sub>\u50ac\u5316\u5242\u7684\u6c27\u5316\u80fd\u529b\u3002\u6b64\u5916\uff0c\u8be5\u65b9\u6cd5\u8fd8\u53ef\u4ee5\u7f13\u89e3\u6c2e\u6c27\u5316\u7269\u7684\u6c27\u5316\uff0c\u751f\u6210SCR\u53cd\u5e94\u7684NO2<\/sub>\/\u4e9a\u785d\u9178\u76d0\u6d3b\u6027\u7269\u79cd\uff0c\u5e76\u589e\u52a0Ce4+<\/sup>\u2013SO4<\/sub>2\u2013<\/sup>\u914d\u5bf9\u4f4d\u70b9\u4e0a\u7684Br\u00f8nsted\u9178\u4f4d\u70b9\uff0c\u8fdb\u4e00\u6b65\u63d0\u9ad8\u50ac\u5316\u6548\u7387\u3002\u76f8\u5173\u6210\u679c\u4ee5\u201cBoosting SO2-<\/sup>Tolerant Catalytic Reduction of NOxvia Selective Adsorption and Activation of Reactants over Ce4+<\/sup>\u2013SO4<\/sub>2\u2013<\/sup>\u00a0Pair Sites\u201d\u53d1\u8868\u5728ACS Catalysis<\/i><\/em>\u4e0a\u3002<\/p>\n

\u539f\u6587\u8be6\u60c5\uff1a\u4e0a\u6d77\u5927\u5b66ACS Catalysis\uff1aCe4+-SO42\u2013\u914d\u5bf9\u4f4d\u70b9\u4fc3\u8fdb\u6c2e\u6c27\u5316\u7269\u7684\u9009\u62e9\u6027\u50ac\u5316\u8fd8\u539f\u53ca\u5176\u5bf9SO2\u7684\u8010\u53d7\u6027\u63d0\u5347<\/a><\/b><\/strong><\/h1>\n

 <\/p>\n

5.\u00a0<\/b>\u5317\u5316\u5de5\u5218\u5fd7\u660eChem. Eng. J\uff1aMn-Co\u5f3a\u76f8\u4e92\u4f5c\u7528\u589e\u5f3a\u50ac\u5316\u5242\u6297\u786b\u6027\u80fd<\/b><\/strong><\/h1>\n

\"\"<\/p>\n

\u5317\u4eac\u5316\u5de5\u5927\u5b66\u5218\u5fd7\u660e\u6559\u6388\u8bfe\u9898\u7ec4\u5f00\u53d1\u4e86\u4e00\u79cd\u591a\u5b54\u7403\u5f62MnCoOx<\/sub>\u8131\u785d\u50ac\u5316\u5242\uff0c\u4e0eMnOx<\/sub>\u50ac\u5316\u5242\u76f8\u6bd4\uff0cMnCoOx<\/sub>\u8868\u73b0\u51fa\u66f4\u9ad8\u7684\u4f4e\u6e29\u6d3b\u6027\u548c\u6297SO2<\/sub>\u6027\u80fd\u3002\u572875-200\u00a0o<\/sup>C\u4e4b\u95f4\uff0cMn(5)Co(5)Ox<\/sub>\u8fbe\u5230\u4e8685%\u4ee5\u4e0a\u7684NOx<\/sub>\u8f6c\u5316\u7387\u3002\u5728SO2<\/sub>\u5b58\u5728\u65f6\uff0cMn(5)Co(5)Ox<\/sub>\u7684NOx<\/sub>\u8f6c\u5316\u7387\u53ef\u4ee5\u4fdd\u6301\u572885%\u4ee5\u4e0a10\u5c0f\u65f6\uff0c\u4e14\u5207\u65adSO2<\/sub>\u540e\u6d3b\u6027\u53ef\u4ee5\u6062\u590d\u3002Mn-Co\u4e4b\u95f4\u7684\u5f3a\u76f8\u4e92\u4f5c\u7528\u4f53\u73b0\u5728\uff1a\uff081\uff09\u589e\u5f3a\u4e86\u50ac\u5316\u5242\u7684\u6c27\u5316\u8fd8\u539f\u80fd\u529b\uff0c\u6709\u5229\u4e8eNO\u7684\u6d3b\u5316\uff1b\uff082\uff09\u6291\u5236\u4e86MnSO4<\/sub>\u7684\u751f\u6210\uff0c\u4ece\u800c\u4e86\u63d0\u9ad8\u4e86MnCoOx<\/sub>\u7684\u6297\u786b\u6027\u80fd\u3002<\/p>\n

\u76f8\u5173\u7814\u7a76\u5de5\u4f5c\u4ee5\u201cMechanistic investigation of the enhanced SO<\/strong>2<\/sub><\/strong>\u00a0resistance of Co-modified MnO<\/strong>x<\/sub><\/strong>\u00a0catalyst for the selective catalytic reduction of NO<\/strong>x<\/sub><\/strong>\u00a0by NH<\/strong>3<\/sub><\/strong>\u201d\u4e3a\u9898\u53d1\u8868\u5728\u56fd\u9645\u9876\u7ea7\u671f\u520aChemical Engineering Journal<\/i><\/em>\u4e0a\u3002<\/p>\n

\u539f\u6587\u8be6\u60c5\uff1a\u5317\u5316\u5de5\u5218\u5fd7\u660eChem. Eng. J\uff1aMn-Co\u5f3a\u76f8\u4e92\u4f5c\u7528\u589e\u5f3a\u50ac\u5316\u5242\u6297\u786b\u6027\u80fd<\/a><\/p>\n

 <\/p>\n

6.\u00a0<\/b>ACS Catal.\uff1aCu-CHA\u50ac\u5316\u5242\u4e0a\u4f4e\u6e29\u6807\u51c6SCR\u7a33\u6001\u901f\u7387\u9884\u6d4b<\/b><\/strong><\/h1>\n

\"\"<\/p>\n

\u8fd1\u65e5\uff0c\u610f\u5927\u5229\u7c73\u5170\u7406\u5de5\u5927\u5b66Enrico Tronconi\u6559\u6388\u56e2\u961f<\/strong>\u7814\u7a76\u4e86\u5728Cu\u6cb8\u77f3\u4e0a\u7684RHC\uff0c\u5e76\u5b8c\u6210\u4e86NH3<\/sub>-SCR\u4f4e\u6e29\u6c27\u5316\u8fd8\u539f\u5faa\u73af\u7684\u52a8\u529b\u5b66\u5206\u6790\uff0c\u8c03\u7814\u4e86\u5728\u4e0d\u540c\u6761\u4ef6\u4e0b\uff08\u4e0d\u540c\u6e29\u5ea6\u548cO2<\/sub>\u8fdb\u6599\u6d53\u5ea6\uff09\uff0cO2<\/sub>\u5bf9CuI<\/sup>\u9633\u79bb\u5b50\u7684\u518d\u6c27\u5316\u3002\u968f\u540e\uff0c\u7814\u7a76\u4eba\u5458\u5c06RHC\u548cOHC\u901f\u7387\u7b49\u540c\u8d77\u6765\uff0c\u5e76\u5c06\u5176\u4e0e\u7c7b\u4f3c\u53cd\u5e94\u6761\u4ef6\u4e0b\u7684\u7a33\u6001SCR\u6d4b\u91cf\u7ed3\u679c\u8fdb\u884c\u5bf9\u6bd4\u3002\u901a\u8fc7\u8fd0\u884c\u4e13\u7528\u7684\u77ac\u6001\u548c\u7a33\u6001\u5b9e\u9a8c\uff0c\u672c\u7814\u7a76\u5728\u5316\u5b66\u8ba1\u91cf\u5b66\u548c\u52a8\u529b\u5b66\u65b9\u9762\u8bc4\u4f30\u6807\u51c6SCR\u6c27\u5316\u8fd8\u539f\u5faa\u73af\u7684\u95ed\u5408\u6027\uff0c\u5e76\u5f00\u53d1\u4e00\u4e2a\u4e25\u683c\u8026\u5408RHC\u548cOHC\u7684\u6c27\u5316\u8fd8\u539f\u6a21\u578b\uff0c\u4ee5\u63cf\u8ff0Cu-CHA\u50ac\u5316\u5242\u7684DeNOx<\/sub>\u6027\u80fd\u3002\u8fd9\u4e9b\u7ed3\u679c\u8868\u660e\uff0c\u590d\u6742\u7684\u7a33\u6001SCR\u53cd\u5e94\u7f51\u7edc\u88ab\u5408\u7406\u5730\u5206\u89e3\u4e3a\u4e24\u4e2a\u6c27\u5316\u8fd8\u539f\u534a\u5faa\u73af\uff0c\u5e76\u63d0\u4f9b\u4e86\u5728Cu-CHA\u50ac\u5316\u5242\u4e0a\u7684\u6807\u51c6SCR\u6c27\u5316\u8fd8\u539f\u5faa\u73af\u7684\u5316\u5b66\u8ba1\u91cf\u548c\u52a8\u529b\u5b66\u4e0a\u7684\u4e00\u81f4\u6027\u95ed\u5408\u3002\u76f8\u5173\u7814\u7a76\u6210\u679c\u4ee5\u201cDual-Site RHC and OHC Transient Kinetics Predict Low\u001eT Standard SCR Steady-State Rates over a Cu-CHA Catalyst<\/strong>\u201d\u4e3a\u9898\u53d1\u8868\u5728\u56fd\u9645\u77e5\u540d\u671f\u520aACS Catalysis<\/i><\/em>\u4e0a\u3002<\/p>\n

\u539f\u6587\u8be6\u60c5\uff1aACS Catal.\uff1aCu-CHA\u50ac\u5316\u5242\u4e0a\u4f4e\u6e29\u6807\u51c6SCR\u7a33\u6001\u901f\u7387\u9884\u6d4b<\/a><\/b><\/strong><\/h1>\n

7.\u00a0<\/b>\u8d3a\u6cd3\u9662\u58ebCatal. Sci. Technol.\uff1aCu-SSZ-13\u7684\u4f18\u5f02\u4f4e\u6e29NH3-SCR\u6d3b\u6027\u548c\u8010\u6c34\u6027\u7684DFT\u7814\u7a76<\/b><\/strong><\/h1>\n

\"\"<\/p>\n

\u4e2d\u56fd\u79d1\u5b66\u9662\u751f\u6001\u73af\u5883\u7814\u7a76\u4e2d\u5fc3\u8d3a\u6cd3\u9662\u58eb\u56e2\u961f<\/strong>\u91c7\u7528\u5bc6\u5ea6\u6cdb\u51fd\u7406\u8bba\uff08DFT\uff09\u8ba1\u7b97\u7814\u7a76\u4e86Cu-SSZ-13\u4e0a\u5b8c\u6574\u7684\u6807\u51c6NH3<\/sub>-SCR\u53cd\u5e94\u9014\u5f84\uff0c\u5e76\u62a5\u9053\u4e86Cu-SSZ-13\u4e0a\u6c34\/OH\u5b98\u80fd\u56e2\u4ecb\u5bfc\u7684NH3<\/sub>-SCR\u673a\u5236\u3002\u7814\u7a76\u53d1\u73b0\uff0cCu\u4f4d\u70b9NO\u7684\u6d3b\u5316\u548c\u6c34\u7684\u53c2\u4e0e\u663e\u8457\u964d\u4f4e\u4e86CuII<\/sup>OH(NH3<\/sub>)3<\/sub>+<\/sup>\u6d3b\u6027\u4f4d\u70b9\u518d\u751f\u7684\u80fd\u91cf\u969c\u788d\u3002\u6b64\u5916\uff0c\u8d28\u5b50\u9178\u548cCu-OH\u4f4d\u70b9\u7684\u8026\u5408\u4f5c\u7528\u4e0d\u4ec5\u7f29\u77ed\u4e86\u53cd\u5e94\u9014\u5f84\uff0c\u800c\u4e14\u8fdb\u4e00\u6b65\u964d\u4f4e\u4e86\u5173\u952e\u4e2d\u95f4\u4f53NH2<\/sub>NO\u5206\u89e3\u7684\u80fd\u91cf\u5c4f\u969c\u3002\u8fd9\u4e9b\u53d1\u73b0\u4fc3\u8fdb\u4e86\u5bf9NH3<\/sub>-SCR\u53cd\u5e94\u7684\u539f\u5b50\u6c34\u5e73\u7684\u7406\u89e3\uff0c\u5e76\u4e3a\u5fae\u5b54Cu-SSZ-13\u50ac\u5316\u5242\u7684\u4f18\u5f02\u4f4e\u6e29NH3<\/sub>-SCR\u6d3b\u6027\u548c\u8010\u6c34\u6027\u63d0\u4f9b\u4e86\u89c1\u89e3\u3002\u7814\u7a76\u6210\u679c\u4ee5\u9898\u4e3a\u201cPromotion of the selective catalytic reduction of NOx<\/sub>\u00a0with NH3<\/sub>\u00a0over microporous Cu-SSZ-13 by H2<\/sub>O and OH groups at low temperatures: a density functional theory study\u201d\u53d1\u8868\u5728\u77e5\u540d\u671f\u520aCatal. Sci. Technol.<\/i><\/em><\/strong>\u4e0a\uff0c\u4f55\u5e7f\u667a\u526f\u7814\u7a76\u5458\u4e3a\u672c\u6587\u5171\u540c\u901a\u8baf\u4f5c\u8005\u3002<\/p>\n

\u539f\u6587\u8be6\u60c5\uff1a\u8d3a\u6cd3\u9662\u58ebCatal. Sci. Technol.\uff1aCu-SSZ-13\u7684\u4f18\u5f02\u4f4e\u6e29NH3-SCR\u6d3b\u6027\u548c\u8010\u6c34\u6027\u7684DFT\u7814\u7a76<\/a><\/p>\n

 <\/p>\n

8.\u00a0<\/b>\u4e0a\u6d77\u7535\u529b\u5927\u5b66\u90ed\u745e\u5802\u6559\u6388\u8bfe\u9898\u7ec4Fuel\uff1aNb\u6539\u6027\u7684CuCeOx \u50ac\u5316\u5242\u5bf9\u4f4e\u6e29NH3-SCR\u6280\u672f\u9009\u62e9\u6027\u50ac\u5316\u8fd8\u539f NO\u7684\u4fc3\u8fdb\u4f5c\u7528<\/b><\/strong><\/h1>\n

\"\"<\/p>\n

\u8fd1\u65e5\uff0c\u4e0a\u6d77\u7535\u529b\u5927\u5b66\u90ed\u745e\u5802\u6559\u6388\u8bfe\u9898\u7ec4\u91c7\u7528\u67e0\u6aac\u9178\u6cd5\u83b7\u5f97\u4e86\u4e0d\u540cNb\u63ba\u6742\u6bd4\u7684CuCeOx<\/sub>\u548cCuCeNbOx<\/sub>-k \uff0c\u5e76\u5e94\u7528\u4e8eNH3<\/sub>-SCR\u6280\u672f\u3002\u6d3b\u6027\u6d4b\u8bd5\u7ed3\u679c\u8868\u660e\uff0cNb\u7684\u6dfb\u52a0\u6709\u6548\u5730\u6539\u5584\u4e86\u4f4e\u6e29SCR\u6027\u80fd\u3002\u5176\u4e2d\uff0cCuCeNbOx<\/sub>-0.4\u50ac\u5316\u5242\u5177\u6709\u6700\u597d\u7684SCR\u6d3b\u6027,\u5728185-370\u2103\u4e0bNO\u8f6c\u5316\u7387\u5927\u4e8e90%\u3001\u6700\u9ad8\u7684N2<\/sub>\u9009\u62e9\u6027\u3001\u4f18\u5f02\u7684SO2<\/sub>&H2<\/sub>O\u963b\u529b\u548c\u70ed\u7a33\u5b9a\u6027\u3002\u5927\u91cf\u8868\u5f81\u5206\u6790\u8868\u660e\uff0cCuCeNbOX<\/sub>-0.4\u5177\u6709\u6700\u5927\u7684\u6bd4\u8868\u9762\u79ef\u3001\u6700\u5f3a\u7684\u8868\u9762\u9178\u6027\u548c\u6700\u4f18\u5f02\u7684\u6c27\u5316\u8fd8\u539f\u6027\u80fd\u3002\u539f\u4f4dDRIFT\u7ed3\u8bba\u8868\u660eNb\u4fee\u9970\u53ef\u4ee5\u4ea7\u751f\u66f4\u591a\u7684\u6d3b\u5316\u7269\u79cd\uff0c\u589e\u5f3aad-NH3<\/sub>\u548cad-NOX<\/sub>\u7684\u53cd\u5e94\u6d3b\u6027\uff0cCuCeNbOx<\/sub>-0.4\u4e0a\u7684SCR\u53cd\u5e94\u4e3b\u8981\u9075\u5faa Langmuir-Hinshelwood(LH)\u548c Eley-Rideal(ER\uff09\u673a\u5236\u3002\u6b64\u5916\uff0cNb\u63ba\u6742\u8fd8\u5f62\u6210\u4e86\u53cc\u6c27\u5316\u8fd8\u539f\u5faa\u73af\uff08Cu2+<\/sup>+Nb4+<\/sup>\u2194 Cu+<\/sup>+Nb5+<\/sup>\uff0cCu2+<\/sup>+Ce3+<\/sup>\u2194 Cu+<\/sup>+Ce4+<\/sup>\uff09,\u6709\u5229\u4e8e\u4f4e\u6e29SCR\u53cd\u5e94\u3002\u76f8\u5173\u7814\u7a76\u6210\u679c\u4ee5\u201cPromotional role of Nb modification on CuCeO<\/i><\/em>x<\/i><\/em>\u00a0catalyst for low temperature selective catalytic reduction of NO with NH<\/i><\/em>3<\/i><\/em>: A mechanism investigation<\/i><\/em>\u201d\u4e3a\u9898\u53d1\u8868\u5728Fuel<\/i><\/em>\u4e0a\u3002<\/p>\n

\u539f\u6587\u8be6\u60c5\uff1a\u4e0a\u6d77\u7535\u529b\u5927\u5b66\u90ed\u745e\u5802\u6559\u6388\u8bfe\u9898\u7ec4Fuel\uff1aNb\u6539\u6027\u7684CuCeOx \u50ac\u5316\u5242\u5bf9\u4f4e\u6e29NH3-SCR\u6280\u672f\u9009\u62e9\u6027\u50ac\u5316\u8fd8\u539f NO\u7684\u4fc3\u8fdb\u4f5c\u7528<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

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