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Mo-Bi-Fe-Co基催化剂的制备方法
Authors
庞海舰
张锁江
+3 more
李增喜
李强
王正平
Publication date
1 January 2006
Publisher
Abstract
针对共沉淀法存在的催化剂元素混合不均、比表面积小、导热差、催化剂容易失活等问题,分别采用共沉淀法和浸渍法制备了两种Mo-B i-Fe-Co基催化剂。所得浸渍法制备催化剂的最佳制备条件为:浸渍时间为6 h,浸渍液浓度为1.25 mol/L(以Mo的摩尔浓度为标准),浸渍次数为2次,柠檬酸加入量为Mo/C itric acid=1.3,煅烧温度为620℃。在温度为380℃、空速为7 200 h-1、异丁烯与空气比为6∶94的反应条件下,该催化剂的转化率和选择性分别为88.9%和68.0%。浸渍法制得的催化剂的活性明显优于共沉淀法制备的催化剂
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Institutional Repository of Institute of Process Engineering, CAS (IPE-IR)
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Institutional Repository of Institute of Process Engineering, CAS (IPE-IR)
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oai:ir.ipe.ac.cn:122111/37540
Last time updated on 05/12/2019
Institutional Repository of Institute of Process Engineering, CAS (IPE-IR)
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oai:ir.ipe.ac.cn:122111/4470
Last time updated on 09/11/2016