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[篇名]
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新法合成纳米镍催化剂及其催化还原对硝基甲苯
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[著者]
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姚开胜;温鸿亮
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[机构]
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河南科技大学化工与制药学院, 河南 洛阳 471003; 北京理工大学化工与环境学院, 北京 100081
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[中文关键词]
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离子交换; 纳米镍; 催化剂; 对硝基甲苯
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[外文关键词]
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ion exchange; nano-size nickel; catalyst; pnitrotoluene
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[分类号]
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TQ426.81
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[刊名]
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现代化工
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[出版时间]
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2008年2月
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[来源]
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VOL28,NO.2._56—57
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[中文摘要]
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用离子交换-还原法制备出负载型纳米镍催化剂,并考察了其在对硝基甲苯催化氢转移还原反应中的催化性能。所得催化剂粒径在40~50 nm之间,分布均匀。在对硝基甲苯的还原反应中,对硝基甲苯的转化率达100%,对甲苯胺的收率为97.7%。催化剂与反应液分离简便,催化剂至少可循环使用3次。
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[外文摘要]
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Supported nano-size nickel catalyst is prepared by the
ion-exchange reduction,and used to catalyze
reduction of p-nitrotoluene.The catalyst is in
cubic particle with particle size between 40 nm and 50 nm.In
the reduction the conversion rate can be about 100% with a p-toluidine yield of 97.7%.The catalyst can be easily
separated and be reused at least for 3 times.
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