前驱体和沉淀剂浓度对CuO/ZnO/CeO<sub>2</sub>-ZrO<sub>2</sub>甲醇水蒸气重整制氢催化剂性能的影响

张磊; 雷俊腾; 田园; 胡鑫; 白金; 刘丹; 杨义; 潘立卫

前驱体和沉淀剂浓度对CuO/ZnO/CeO₂-ZrO₂甲醇水蒸气重整制氢催化剂性能的影响

张磊^1,2,,
雷俊腾¹,
田园¹,
胡鑫¹,
白金¹,
刘丹³,
杨义⁴,
潘立卫²

1.
辽宁石油化工大学化学化工与环境学部, 辽宁抚顺 113001;
2.
中国科学院大连化学物理研究所, 辽宁大连 116023;
3.
天津工业大学环境与化学工程学院, 天津 300387;
4.
中国石化催化剂有限公司抚顺分公司, 辽宁抚顺 113001

基金项目: 国家自然科学基金(21576211),辽宁省教育厅科学研究一般项目(L2014157),教育部新世纪优秀人才支持计划(NCET-11-1011)和天津市应用基础与前沿技术研究(13JCYBJC41600)资助

详细信息

通讯作者:
张磊,E-mail:lnpuzhanglei@163.com;刘丹,E-mail:danliu_939@hotmail.com

中图分类号: O643.32
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出版历程
- 收稿日期: 2015-05-11
- 修回日期: 2015-07-03
- 刊出日期: 2015-11-30

Effect of precursor and precipitant concentration on the performance of CuO/ZnO/CeO₂-ZrO₂ catalyst for methanol steam reforming

1.
College of Chemistry, Chemical Engineering and Environmental Engineering, Liaoning Shihua University, Fushun 113001, China;
2.
Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China;
3.
School of Environmental and Chemical Engineering, Tianjin Polytechnic University, Tianjin 300387, China;
4.
Sinopec Catalyst Limited Company Fushun Division, Fushun 113001, China

Funds: The project was supported by the National Natural Science Foundation of China (21576211), the Science Research General Foundation of Liaoning Education Department (L2014157), Program for New Century Excellent Talents in University (NCET-11-1011)and Tianjin Research Program of Application Foundation and Advanced Technology (13JCYBJC41600).

摘要

摘要: 采用共沉淀法制备了CuO/ZnO/CeO₂-ZrO₂甲醇水蒸气重整制氢催化剂,探讨了前驱体和沉淀剂浓度对催化剂性能的影响,并采用BET、XRD、H₂-TPR和XPS等手段对催化剂进行了表征。结果表明,前驱体和沉淀剂浓度对催化剂的结构和性能影响很大,当前驱体浓度为0.1mol/L,沉淀剂浓度为0.5mol/L时,所得催化剂CO选择性最小,催化活性最佳。在360h稳定实验中,甲醇最高转化率达100%,重整尾气中H₂含量保持在74.5%以上,CO含量低于0.8%,催化剂稳定性良好。
- 甲醇水蒸气重整 /
- 催化剂 /
- 氢气 /
- 一氧化碳
Abstract: A series of CuO/ZnO/CeO₂-ZrO₂ catalysts for methanol steam reforming were prepared by a co-precipitation procedure, and the effect of precursor and precipitant concentration on the catalytic perforemance was investigated. All the catalysts were characterized by N₂ adsorption, XRD, H₂-TPR, and XPS. It is shown that the precursor and precipitant concentration remarkably influenced the catalyst structure and property. When the precursor concentration was 0.1mol/L and the precipitant concentration was 0.5mol/L, the catalyst exhibited the best activity with suppressed CO formation. During 360h run time, the highest methanol conversion reached 100%, the H₂ concentration was above 74.5%, and the CO concentration was below 0.8% in the reforming gas. The catalyst had excellent reforming performance without deactivation during 360h run time.
- methanol steam reforming /
- catalyst /
- hydrogen /
- carbon monoxide

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