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Effect of TiO_2 Support on the Composition, Morphology and Catalytic Property of the NiB Amorphous Alloy Catalyst 被引量:3
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作者 LaiJunWANG MingHuiZHANG WeiLI KeYiTAO 《Chinese Chemical Letters》 SCIE CAS CSCD 2004年第11期1357-1360,共4页
Both the unsupported and supported NiB amorphous alloy catalysts (NiB and NiB/TiO2) were prepared by the chemical reduction method. Their catalytic activities were tested by the hydrogenation of sulfolene. The interac... Both the unsupported and supported NiB amorphous alloy catalysts (NiB and NiB/TiO2) were prepared by the chemical reduction method. Their catalytic activities were tested by the hydrogenation of sulfolene. The interactions between the NiB alloy and TiO2 were discussed for the first time by using XRD, ICP, SEM and TEM. 展开更多
关键词 nib/tio2 amorphous catalyst HYDROGENAtioN sulfolene interaction.
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非晶态合金催化剂NiB、NiB/TiO_2的制备、表征及其环丁烯砜加氢催化活性的研究 被引量:16
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作者 王来军 张明慧 +2 位作者 李伟 周瑛 陶克毅 《分子催化》 EI CAS CSCD 北大核心 2003年第6期450-455,共6页
分别采用化学还原法和浸渍还原法制备了系列NiB及NiB/TiO2非晶态合金催化剂,用XRD、ICP、SEM、SAED和DSC等技术对催化剂的物性进行了表征,并将其用于环丁烯砜加氢反应.研究了制备条件(镍硼摩尔比、滴加方式和金属离子浓度)对非晶态合金... 分别采用化学还原法和浸渍还原法制备了系列NiB及NiB/TiO2非晶态合金催化剂,用XRD、ICP、SEM、SAED和DSC等技术对催化剂的物性进行了表征,并将其用于环丁烯砜加氢反应.研究了制备条件(镍硼摩尔比、滴加方式和金属离子浓度)对非晶态合金催化剂加氢活性的影响.结果表明,选择镍硼摩尔比为1∶2,Ni2+浓度为0.1mol/L,采用正滴加方式(将KBH4溶液滴加到Ni(NO3)2溶液中)所制得的NiB非晶态合金催化剂环丁烯砜加氢活性优于RaneyNi催化剂.对于NiB/TiO2负载型非晶态合金催化剂,镍的实际负载量达14.5%时,NiB/TiO2与NiB的环丁烯砜加氢催化活性相当. 展开更多
关键词 非晶态合金 nib/tio2催化剂 环丁烯砜加氢
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