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ZnCr基催化剂煅烧温度对异丁醇合成性能的影响

寇永利 解红娟 刘广波 武应全 张欣悦 韩怡卓 Noritatsu Tsubaki 谭猗生

寇永利, 解红娟, 刘广波, 武应全, 张欣悦, 韩怡卓, Noritatsu Tsubaki, 谭猗生. ZnCr基催化剂煅烧温度对异丁醇合成性能的影响[J]. 燃料化学学报(中英文), 2013, 41(06): 703-709.
引用本文: 寇永利, 解红娟, 刘广波, 武应全, 张欣悦, 韩怡卓, Noritatsu Tsubaki, 谭猗生. ZnCr基催化剂煅烧温度对异丁醇合成性能的影响[J]. 燃料化学学报(中英文), 2013, 41(06): 703-709.
KOU Yong-li, XIE Hong-juan, LIU Guang-bo, WU Ying-quan, ZHANG Xin-yue, HAN Yi-zhuo, Noritatsu Tsubaki, TAN Yi-sheng. Effect of calcination temperature on the performance of ZnCr based catalyst in isobutanol synthesis[J]. Journal of Fuel Chemistry and Technology, 2013, 41(06): 703-709.
Citation: KOU Yong-li, XIE Hong-juan, LIU Guang-bo, WU Ying-quan, ZHANG Xin-yue, HAN Yi-zhuo, Noritatsu Tsubaki, TAN Yi-sheng. Effect of calcination temperature on the performance of ZnCr based catalyst in isobutanol synthesis[J]. Journal of Fuel Chemistry and Technology, 2013, 41(06): 703-709.

ZnCr基催化剂煅烧温度对异丁醇合成性能的影响

基金项目: 中国科学院西山西煤炭化学研究所前瞻性布局项目(2011SQZBJ13)
详细信息
    通讯作者:

    谭猗生,Tel/Fax: 0351-4044287, E-mail: tan@sxicc.ac.cn。

  • 中图分类号: O643

Effect of calcination temperature on the performance of ZnCr based catalyst in isobutanol synthesis

  • 摘要: 研究了煅烧温度对ZnCr基催化剂合成异丁醇性能的影响。结果表明,随着煅烧温度的升高,催化剂的活性和产物分布都发生了较大的变化。催化剂在较低的温度下煅烧,液相产物中醇主要是甲醇和异丁醇;在较高的温度下煅烧,液相产物醇的分布符合A-S-F方程。用BET、XRD、H2-TPR、XPS等技术手段对催化剂织构参数、体相结构、还原性能、表面组成进行表征。结果表明,在300℃煅烧时,催化剂中的ZnO和Cr2O3未完全形成非计量尖晶石ZnxCr2/3(1-x)O;400℃煅烧时,催化剂中形成了最多量非计量尖晶石ZnxCr2/3(1-x)O;当煅烧温度高于400℃时,随着煅烧温度进一步升高,非计量尖晶石ZnxCr2/3(1-x)O逐步发生了分解,生成了更多量的ZnO和Cr2O3,导致催化剂的活性随之下降。进一步证明了非计量尖晶石ZnxCr2/3(1-x)O是该催化反应活性相。
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出版历程
  • 收稿日期:  2012-12-12
  • 修回日期:  2013-02-02
  • 刊出日期:  2013-06-30

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