{"id":195977,"date":"2020-02-16T06:50:58","date_gmt":"2020-02-15T22:50:58","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=195977"},"modified":"2020-02-15T20:51:15","modified_gmt":"2020-02-15T12:51:15","slug":"%e6%b8%85%e5%8d%8e%e5%a4%a7%e5%ad%a6%e4%b8%8a%e6%b5%b7%e5%a4%a7%e5%ad%a6acs-catal-%ef%bc%9a%e4%b8%ad%e6%af%92%e8%bf%98%e6%98%af%e4%bf%83%e8%bf%9b%ef%bc%9f%e7%a3%b7%e5%af%b9v2o5-wo3-tio2%e5%82%ac","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=195977","title":{"rendered":"\u6e05\u534e\u5927\u5b66&\u4e0a\u6d77\u5927\u5b66ACS Catal.\uff1a\u4e2d\u6bd2\u8fd8\u662f\u4fc3\u8fdb\uff1f\u78f7\u5bf9V2O5-WO3\/TiO2\u50ac\u5316\u5242NH3-SCR\u6d3b\u6027\u7684\u65b0\u8ba4\u8bc6"},"content":{"rendered":"

\u3010\u5f15\u8a00\u3011<\/b><\/strong><\/p>\n

\u71c3\u6599\u71c3\u70e7\u8fc7\u7a0b\u4e2d\u5f62\u6210\u7684\u6c2e\u6c27\u5316\u7269\uff0c\u662f\u5f62\u6210\u9178\u96e8\u548c\u5149\u5316\u5b66\u70df\u96fe\u7b49\u7684\u5143\u51f6\u4e4b\u4e00\uff0c\u5e76\u4e14\u5bf9\u4eba\u7c7b\u7684\u5065\u5eb7\u4e5f\u6784\u6210\u4e86\u4e25\u91cd\u5371\u5bb3\u3002\u63a7\u5236\u6c2e\u6c27\u5316\u7269\u7684\u6392\u653e\u662f\u5f53\u524d\u5927\u6c14\u6c61\u67d3\u9632\u6cbb\u7684\u91cd\u4e2d\u4e4b\u91cd\uff0c\u9009\u62e9\u6027\u50ac\u5316\u8fd8\u539f\uff08SCR\uff09\u6280\u672f\u662f\u76ee\u524d\u6700\u6709\u6548\u7684\u6c2e\u6c27\u5316\u7269\u63a7\u5236\u6280\u672f\u4e4b\u4e00\uff0c\u5728\u56fa\u5b9a\u6e90\u548c\u79fb\u52a8\u6e90\u7684\u5c3e\u6c14\u6cbb\u7406\u4e2d\u90fd\u53d1\u6325\u4e86\u91cd\u8981\u7684\u4f5c\u7528\u3002\u5176\u4e2d\uff0c\u4ee5V2<\/sub>O5<\/sub>-WO3<\/sub>\/TiO2<\/sub>\u4e3a\u4e3b\u7684\u5546\u4e1a\u50ac\u5316\u5242\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u706b\u7535\u3001\u94a2\u94c1\u3001\u5efa\u6750\u7b49\u884c\u4e1a\uff0c\u7136\u800c\uff0c\u7531\u4e8e\u5b9e\u9645\u5de5\u4e1a\u8fc7\u7a0b\u4e2d\u7684\u70df\u6c14\u6761\u4ef6\u590d\u6742\uff0c\u70df\u6c14\u6216\u662f\u7c89\u5c18\u4e2d\u7684\u5176\u4ed6\u7269\u8d28\u5f88\u5bb9\u6613\u9020\u6210\u50ac\u5316\u5242\u7684\u4e2d\u6bd2\u5931\u6d3b\u3002\u957f\u671f\u4ee5\u6765\uff0c\u78f7\u88ab\u8ba4\u4e3a\u4f1a\u9020\u6210\u9492\u57fa\u50ac\u5316\u5242\u7684\u4e2d\u6bd2\uff0c\u4e00\u822c\u8ba4\u4e3a\uff0c\u78f7\u4f1a\u901a\u8fc7\u5e26\u6765\u8868\u9762\u906e\u853d\u548c\u5b54\u6d1e\u5835\u585e\u7b49\u7269\u7406\u5931\u6d3b\uff0c\u4ee5\u53ca\u7531\u4e8e\u50ac\u5316\u6c27\u5316\u8fd8\u539f\u6027\u80fd\u7684\u964d\u4f4e\u800c\u5f15\u8d77\u7684\u5316\u5b66\u5931\u6d3b\u6765\u964d\u4f4eV2<\/sub>O5<\/sub>-WO3<\/sub>\/TiO2<\/sub>\u50ac\u5316\u5242\u7684\u6d3b\u6027\u3002\u7136\u800c\uff0c\u5728\u5b9e\u9645\u751f\u4ea7\u4e2d\uff0c\u78f7\u4e5f\u53ef\u4ee5\u7528\u4f5c\u9020\u7c92\u6dfb\u52a0\u5242\uff0c\u4ee5\u63d0\u9ad8\u5de5\u4e1a\u6324\u538b\u6210\u578b\u7684\u6574\u4f53V2<\/sub>O5<\/sub>-WO3<\/sub>\/TiO2<\/sub>\u50ac\u5316\u5242\u7684\u673a\u68b0\u5f3a\u5ea6\u3002\u56e0\u6b64\uff0c\u78f7\u7684\u63ba\u5165\u5bf9\u50ac\u5316\u5242\u7ed3\u6784\u7684\u6539\u53d8\u548c\u672c\u5f81\u6027\u80fd\u7684\u5f71\u54cd\u6709\u5f85\u8fdb\u4e00\u6b65\u7684\u8ba8\u8bba\u3002<\/p>\n

\u3010\u6210\u679c\u7b80\u4ecb\u3011<\/b><\/strong><\/p>\n

\u8fd1\u65e5\uff0c\u6e05\u534e\u5927\u5b66<\/b><\/strong>\u674e\u4fca\u534e\u6559\u6388<\/b><\/strong>\u548c<\/b><\/strong>\u4e0a\u6d77\u5927\u5b66<\/b><\/strong>\u5434<\/b><\/strong>\u660e\u7ea2\u6559\u6388\u7814\u7a76\u56e2\u961f<\/b><\/strong>\u5408\u4f5c<\/b><\/strong>\uff08<\/b><\/strong>\u9648\u5efa\u519b<\/b><\/strong>\u526f<\/b><\/strong>\u7814\u7a76\u5458<\/b><\/strong>\u548c\u5f90\u521a\u7814\u7a76\u5458<\/b><\/strong>\u4e3a<\/b><\/strong>\u5171\u540c<\/b><\/strong>\u901a\u8baf\u4f5c\u8005\uff09<\/b><\/strong>\uff0c<\/b><\/strong>\u901a\u8fc7\u8c03\u63a7\u63ba\u6742\u624b\u6bb5\uff0c\u53d1\u73b0\u901a\u5e38\u88ab\u8ba4\u4e3a\u662f\u4e2d\u6bd2\u7269\u8d28\u7684\u78f7\u5bf9V2<\/sub>O5<\/sub>-WO3<\/sub>\/TiO2<\/sub>\u50ac\u5316\u5242\u4e5f\u53ef\u4ee5\u8868\u73b0\u51fa\u4fc3\u8fdb\u4f5c\u7528\uff0c\u5176\u53ef\u4ee5\u5728\u4e0d\u5f71\u54cdN2<\/sub>\u9009\u62e9\u6027\u548c\u6297H2<\/sub>O\/SO2<\/sub>\u7a33\u5b9a\u6027\u7684\u60c5\u51b5\u4e0b\uff0c\u4f7f\u50ac\u5316\u5242\u7684\u672c\u5f81\u6d3b\u6027\u63d0\u9ad8\u81f32\u500d\u3002\u7814\u7a76\u8868\u660e\uff0c\u78f7\u7684\u5f15\u5165\u540c\u65f6\u589e\u5f3a\u4e86V2<\/sub>O5<\/sub>-WO3<\/sub>\/TiO2<\/sub>\u50ac\u5316\u5242\u4e0a\u7684Br\u00f8nsted\u548cLewis\u9178\u4f4d\uff0c\u5e76\u4e14\u901a\u8fc7\u65f6\u95f4\u5206\u8fa8\u7ea2\u5916\u9a8c\u8bc1\u4e86Lewis\u9178\u4f4d\u4e0a\u5438\u9644\u7684NH3<\/sub>\u5728SCR\u53cd\u5e94\u4e2d\u53d1\u6325\u4e86\u66f4\u91cd\u8981\u7684\u4f5c\u7528\u3002\u901a\u8fc7\u5bf9\u8868\u9762\u9492\u7269\u79cd\u7684\u5206\u6790\uff0c\u53d1\u73b0\u78f7\u53ef\u4ee5\u63d0\u9ad8\u8868\u9762\u9492\u7269\u79cd\u7684\u56e2\u805a\u5ea6\uff08\u4e8c\u805a\u6001\u548c\u4f4e\u805a\u7269\u7684\u9492\u542b\u91cf\u4ece77\uff05\u589e\u52a0\u81f390\uff05\uff09\u3002\u540c\u65f6\uff0c\u89c2\u5bdf\u5230\u78f7\u4e0e\u94a8\u4e4b\u95f4\u5b58\u5728\u7684\u76f8\u4e92\u4f5c\u7528\uff0c\u4fc3\u8fdb\u4e86\u78f7\u548c\u94a8\u7269\u79cd\u7684\u5206\u6563\uff0c\u4ece\u800c\u66f4\u6709\u5229\u4e8e\u805a\u5408\u6001\u9492\u7269\u79cd\u7684\u9644\u7740\u3002\u8fd9\u9879\u7814\u7a76\u63ed\u793a\u4e86\u78f7\u5bf9V2<\/sub>O5<\/sub>-WO3<\/sub>\/TiO2<\/sub>\u50ac\u5316\u5242\u7684\u4fc3\u8fdb\u4f5c\u7528\uff0c\u5bf9\u9492\u57fa\u50ac\u5316\u5242\u7684\u57fa\u7840\u8ba4\u8bc6\u548c\u8bbe\u8ba1\u6539\u8fdb\u5177\u6709\u91cd\u8981\u610f\u4e49\u3002\u8be5\u6210\u679c\u4ee5\u9898\u4e3a\u201c<\/b><\/strong>Promoter rather than Inhibitor: Phosphorous Incorporation Accelerates the Activity of V<\/b><\/strong>2<\/b><\/sub><\/strong>O<\/b><\/strong>5<\/b><\/sub><\/strong>-WO<\/b><\/strong>3<\/b><\/sub><\/strong>\/TiO<\/b><\/strong>2<\/b><\/sub><\/strong>\u00a0Catalyst for Selective Catalytic Reduction of NO<\/b><\/strong>x<\/b><\/sub><\/strong>\u00a0by NH<\/b><\/strong>3<\/b><\/sub><\/strong>\u201d<\/b><\/strong>\u7684\u6587\u7ae0<\/b><\/strong>\u53d1\u8868\u5728\u4e86ACS Catalysis<\/b><\/strong>\u4e0a\u3002<\/p>\n

\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/b><\/strong><\/p>\n

\u56fe1 <\/b><\/strong>VW\/Ti\u548cxP-VW\/Ti\u50ac\u5316\u5242\u7684<\/b><\/strong>\u6d3b\u6027\u8868\u5f81\u548c\u52a8\u529b\u5b66\u5206\u6790<\/b><\/strong>\"\"<\/b><\/strong><\/p>\n

\uff08a\uff09\u5728250\u2103\u4e0b\uff0cVW\/Ti\u548cxP-VW\/Ti\u50ac\u5316\u5242\u4e0aNH3<\/sub>-SCR\u7684NOx<\/sub>\u8f6c\u5316\u7387\u3002<\/p>\n

\uff08b\uff09VW\/Ti\u548c1P-P-VW\/Ti\u50ac\u5316\u5242\u7684TOFs\u3002\u00a0<\/p>\n

\uff08c\uff09\u901a\u8fc7Eley-Rideal\u673a\u7406\uff08kE-R<\/sub>\uff09\u548cLangmuir-Hinshelwood\u673a\u7406\uff08kL-H<\/sub>\uff09\u7684SCR\u53cd\u5e94\u7684\u901f\u7387\u5e38\u6570\u3002<\/p>\n

\u00a0<\/b><\/strong>\u56fe2 <\/b><\/strong>VW\/Ti\u548c1P-VW\/Ti\u50ac\u5316\u5242\u7684\u7684<\/b><\/strong>\u9178\u6027<\/b><\/strong>\u8868\u5f81<\/b><\/strong>\"\"<\/p>\n

\uff08a\uff09VW\/Ti\u548c1P-VW\/Ti\u50ac\u5316\u5242\u7684NH3<\/sub>-TPD\u5149\u8c31\u3002<\/p>\n

\uff08b,c\uff09VW\/Ti\uff08b\uff09\u548c1P-VW\/Ti\uff08c\uff09\u50ac\u5316\u5242\u4e0a\u5421\u5576\u5438\u9644\u7684IR\u5149\u8c31\u3002<\/p>\n

\uff08d\uff09\u5728\u4e0d\u540c\u6e29\u5ea6\u4e0bBr\u00f8nsted\u548cLewis\u9178\u4f4d\u7684\u5f3a\u5ea6\u3002<\/p>\n

\u56fe3 <\/b><\/strong>1P-VW\/Ti\u50ac\u5316\u5242\u7684\u539f\u4f4d\u65f6\u95f4\u5206\u8fa8\u7ea2\u5916\u5149\u8c31<\/b><\/strong>\"\"<\/p>\n

\uff08a\uff09\u57281P-VW\/Ti\u50ac\u5316\u5242\u4e0a\uff0c\u5728250\u2103\u4e0b\uff0cNO\uff08500 ppm\uff09+ O2<\/sub>\uff085\uff05\uff09\u4e0e\u9884\u5438\u9644\u7684NH3<\/sub>\uff08500 ppm\uff09\u7269\u79cd\u53cd\u5e94\u7684\u539f\u4f4d\u65f6\u95f4\u5206\u8fa8\u7ea2\u5916\u5149\u8c31\u3002<\/p>\n

\uff08b\uff09\u5728250\u2103\u6761\u4ef6\u4e0b\uff0cVW\/Ti\u548c1P-VW\/Ti\u50ac\u5316\u5242\u4e0a\uff0cBNH3<\/sub>\u548cLNH3<\/sub>\u7684\u65f6\u95f4\u6f14\u53d8\u89c4\u5f8b\u3002<\/p>\n

\u56fe4 <\/b><\/strong>VW\/Ti\u548c1P-VW\/Ti\u7684\u539f\u4f4d\u62c9\u66fc\u5149\u8c31\u548cNMR\u5149\u8c31<\/b><\/strong>\"\"<\/p>\n

\uff08a\uff09\u5728200\u2103\uff0c5\uff05O2<\/sub>\/He\u7684\u6c14\u6c1b\u4e0b\uff0cVW\/Ti\u548c1P-VW\/Ti\u7684\u539f\u4f4d\u62c9\u66fc\u5149\u8c31\u3002<\/p>\n

\uff08b\uff09VW\/Ti\u548c1P-VW\/Ti\u50ac\u5316\u5242\u768451<\/sup>V\u4e2d\u5fc3\u5e26NMR\u5149\u8c31\u3002<\/p>\n

\u56fe<\/b><\/strong>5<\/b><\/strong>\u00a0<\/b><\/strong>VW\/Ti\u548c1P-VW\/Ti\u50ac\u5316\u5242\u7684<\/b><\/strong>\u7ed3\u6784\u8868\u5f81<\/b><\/strong>\"\"<\/p>\n

\uff08a\uff09VW\/Ti\u548c1P-VW\/Ti\u50ac\u5316\u5242\u7684XRD\u66f2\u7ebf\u3002<\/p>\n

\uff08b\uff09\u5728200\u2103\uff0c5% O2<\/sub>\/He\u6c14\u6c1b\u4e0b\uff0cV\/Ti, VW\/Ti\u30011P-V\/Ti\u548c1P-VW\/Ti\u50ac\u5316\u5242\u7684\u539f\u4f4d\u62c9\u66fc\u5149\u8c31\u3002<\/p>\n

\u3010\u5c0f\u7ed3<\/b><\/strong>\u3011<\/p>\n

\u7814\u7a76\u56e2\u961f\u8bc1\u660e\u4e86\u901a\u8fc7\u8c03\u63a7\u78f7\u7684\u63ba\u5165\u5f62\u5f0f\u53ef\u4ee5\u4f7fV2<\/sub>O5<\/sub>-WO3<\/sub>\/TiO2<\/sub>\u50ac\u5316\u5242\u4e0aNH3<\/sub>-SCR\u53cd\u5e94\u7684\u672c\u5f81\u6d3b\u6027\u63d0\u9ad8\u81f32\u500d\uff0c\u5e76\u4e14\u4e0d\u5f71\u54cdN2<\/sub>\u7684\u9009\u62e9\u6027\u548c\u5bf9H2<\/sub>O\u548cSO2<\/sub>\u7684\u7a33\u5b9a\u6027\u3002V2<\/sub>O5<\/sub>-WO3<\/sub>\/TiO2<\/sub>\u4e2d\u78f7\u7684\u63ba\u5165\u589e\u52a0\u4e86Br\u00f8nsted\u548cLewis\u9178\u6027\u4f4d\u70b9\u7684\u6570\u91cf\uff0c\u7279\u522b\u662f\u5728Lewis\u9178\u4f4d\u70b9\u4e0a\u5438\u9644\u7684NH3<\/sub>\uff0c\u5176\u4e0eNO\u53cd\u5e94\u7684\u901f\u7387\u8981\u5feb\u5f97\u591a\u3002\u901a\u8fc7\u78f7\u548c\u94a8\u4e4b\u95f4\u7684\u76f8\u4e92\u4f5c\u7528\u5f15\u8d77\u7684\u7a7a\u95f4\u6548\u5e94\uff0c\u8868\u9762\u9492\u57fa\u7269\u8d28\u7684\u805a\u5408\u5ea6\u663e\u7740\u589e\u52a0\uff0c\u8fd9\u4e5f\u5bfc\u81f4NH3<\/sub>-SCR\u53cd\u5e94\u901f\u7387\u63d0\u9ad8\u3002\u7814\u7a76\u7ed3\u679c\u63ed\u793a\u4e86\u78f7\u5bf9V2<\/sub>O5<\/sub>-WO3<\/sub>\/TiO2<\/sub>\u50ac\u5316\u5242\u7684\u4fc3\u8fdb\u4f5c\u7528\uff0c\u8fd9\u5bf9\u4e8e\u4ece\u6839\u672c\u4e0a\u7406\u89e3V2<\/sub>O5<\/sub>-WO3<\/sub>\/TiO2<\/sub>\u50ac\u5316\u5242\u4e0a\u7684NH3<\/sub>-SCR\u53cd\u5e94\uff0c\u4ee5\u53ca\u8bbe\u8ba1\u51fa\u66f4\u597d\u7684\u9492\u57fa\u50ac\u5316\u5242\u6765\u6d88\u9664NOx<\/sub>\u5177\u6709\u91cd\u8981\u610f\u4e49\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a<\/b><\/strong>Promoter rather than Inhibitor: Phosphorous Incorporation Accelerates the Activity of V<\/u>2<\/sub><\/u>O<\/u>5<\/sub><\/u>-WO<\/u>3<\/sub><\/u>\/TiO<\/u>2<\/sub><\/u>\u00a0Catalyst for Selective Catalytic Reduction of NO<\/u>x<\/sub><\/u>\u00a0by NH<\/u>3<\/sub><\/u><\/a>\uff08ACS Catal.\uff0c 2020\uff0cDOI:10.1002\/adfm.201908367\uff09<\/p>\n

\u672c\u6587\u7531\u6728\u6587\u97ec<\/b><\/strong>\u7ffb\u8bd1\uff0c\u6750\u6599\u725b\u6574\u7406\u7f16\u8f91\u3002<\/p>\n

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