不同Cu源与Zn源对CuZnAl催化剂催化合成气制乙醇性能的影响

李超 陈永恩 黄伟 高志华

引用本文: 李超, 陈永恩, 黄伟, 高志华. 不同Cu源与Zn源对CuZnAl催化剂催化合成气制乙醇性能的影响[J]. 燃料化学学报, 2015, 43(7): 852-856. shu
Citation:  LI Chao, CHEN Yong-en, HUANG Wei, GAO Zhi-hua. Effect of the source of Cu and Zn on the ethanol synthesis from syngas over CuZnAl catalyst[J]. Journal of Fuel Chemistry and Technology, 2015, 43(7): 852-856. shu

不同Cu源与Zn源对CuZnAl催化剂催化合成气制乙醇性能的影响

    通讯作者: 高志华
  • 基金项目:

    国家自然科学基金重点项目(21336006) (21336006)

    国家自然科学基金面上项目(21176176) (21176176)

    山西省自然科学基金(2012011046-1)。 (2012011046-1)

摘要: 采用完全液相法以不同的铜源和锌源为原料制备了CuZnAl催化剂,在浆态床反应器中考察了其催化合成气合成乙醇的性能,并采用XRD、H2-TPR、NH3-TPD-MS及BET技术对催化剂进行表征。结果表明,以乙酸铜替换硝酸铜,抑制了热处理过程中Cu2O的还原,提高了催化剂的比表面积,为催化剂具有较高的乙醇选择性提供了适宜的酸中心和孔径,其总醇选择性达45.6%,总醇中乙醇所占比例达28.7%。

English

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  • 收稿日期:  2014-12-29
  • 网络出版日期:  2015-03-09
通讯作者: 陈斌, bchen63@163.com
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