| ZnO对合成甲醇Cu/ZnO/Al_2O_3催化剂性能的影响 |
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| 引用本文： | 李基涛,陈明旦,张伟德,万惠霖,陈华毅,林建毅,KL Tan.ZnO对合成甲醇Cu/ZnO/Al_2O_3催化剂性能的影响[J].天然气化工,2000(2). |
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| 作者姓名： | 李基涛 陈明旦 张伟德 万惠霖 陈华毅 林建毅 KL Tan |
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| 摘 要： | 用高速碰撞共沉淀法制备m(CuO) /m(ZnO) /m(Al2 O3 )比分别为 60 /3 0 /1 0和 3 0 /60 /1 0的 1 #和 2 #催化剂 ,结果表明高ZnO的 2 #催化剂活性较好 ,分散度较大。XPS测试表明 2 #催化剂表面ZnO吸附的中间体 (CHx 或CHxO)较多且表面的Cu+1浓度较高 ,从而促进CO加氢合成甲醇的活性。
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| 关 键 词： | 甲醇合成 ZnO催化剂 高Cu+1浓度 高分散度 |
Effect of ZnO on Cu/ZnO/Al_2O_3 catalysts for methanol synthesis |
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| LI Jitao,CHEN mingdan ZHANG Weide,WAN Huilin,CHEN Huayi LIN Jianyi,K L Tan.Effect of ZnO on Cu/ZnO/Al_2O_3 catalysts for methanol synthesis[J].Natural Gas Chemical Industry,2000(2). |
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| Authors: | LI Jitao CHEN mingdan ZHANG Weide WAN Huilin CHEN Huayi LIN Jianyi K L Tan |
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| Affiliation: | LI Jitao1,CHEN mingdan1 ZHANG Weide1,WAN Huilin1,CHEN Huayi2 LIN Jianyi2,K L Tan2 |
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| Abstract: | Cu/ZnO/Al_2O_3 catalysts with ratios of 60/30/10 and 30/60/10 have been prepared by high speed collision coprecipitation method. The performance of the catalyst with the higher ZnO content shows the higher activity in methanol synthesis. The characterization results indicated that the catalyst with the higher ZnO content has higher dispersion. On the surface of the higher ZnO content catalyst, there was more Cu+1 and more intermediate (CH_x and CH_xO) adsorpted. It is beneficial for the CO hydrogenating to produce methanol. WT5”HZ] |
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| Keywords: | methanol synthesis effects of ZnO high Cu 1 concentration high dispersion |
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