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焙烧温度对K-Cu/Zn/La/ZrO2催化剂上异丁醇合成的影响

武应全 解红娟 寇永利 谭理 韩怡卓 谭猗生

武应全, 解红娟, 寇永利, 谭理, 韩怡卓, 谭猗生. 焙烧温度对K-Cu/Zn/La/ZrO2催化剂上异丁醇合成的影响[J]. 燃料化学学报(中英文), 2013, 41(07): 868-874.
引用本文: 武应全, 解红娟, 寇永利, 谭理, 韩怡卓, 谭猗生. 焙烧温度对K-Cu/Zn/La/ZrO2催化剂上异丁醇合成的影响[J]. 燃料化学学报(中英文), 2013, 41(07): 868-874.
WU Ying-quan, XIE Hong-juan, KOU Yong-li, TAN Li, HAN Yi-zhuo, TAN Yi-sheng. Effect of calcination temperature on performance of K-Cu/Zn/La/ZrO2 for isobutanol synthesis[J]. Journal of Fuel Chemistry and Technology, 2013, 41(07): 868-874.
Citation: WU Ying-quan, XIE Hong-juan, KOU Yong-li, TAN Li, HAN Yi-zhuo, TAN Yi-sheng. Effect of calcination temperature on performance of K-Cu/Zn/La/ZrO2 for isobutanol synthesis[J]. Journal of Fuel Chemistry and Technology, 2013, 41(07): 868-874.

焙烧温度对K-Cu/Zn/La/ZrO2催化剂上异丁醇合成的影响

基金项目: 中国科学院山西煤炭化学研究所前瞻性布局项目(2011SQZBJ13); 国家重大科学仪器设备开发专项(2011YQl20039).
详细信息
    通讯作者:

    谭猗生

  • 中图分类号: O643

Effect of calcination temperature on performance of K-Cu/Zn/La/ZrO2 for isobutanol synthesis

  • 摘要: 采用共沉淀法制备了Cu/Zn/La/ZrO2催化剂,并浸渍K对其进行改性.以合成气合成异丁醇为探针反应,考察了焙烧温度对K-Cu/Zn/La/ZrO2催化剂合成反应的影响.采用XRD、TG、BET、NH3-TPD、H2-TPR、Raman及XPS等手段表征了催化剂的结构和表面性质.结果表明,催化剂体相结构、比表面积与其催化活性没有直接关系;催化剂表面强酸中心的存在不利于异丁醇的生成;Cu-Zn-Zr活性组分间协同作用对催化剂活性影响很大,450 ℃焙烧温度下,Cu-Zn-Zr活性组分间协同作用最强,CuO最容易还原,催化活性最高,此时CO的转化率(物质的量)达到69.47%,醇中异丁醇的选择性(质量分数)为19.09%,甲醇+异丁醇的选择性(质量分数)为95.02%.
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出版历程
  • 收稿日期:  2013-02-13
  • 修回日期:  2013-06-17
  • 刊出日期:  2013-07-30

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