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Ni-MnOx Catalysts Supported on Al2O3-Modified Si Waste with Outstanding CO Methanation Catalytic Performance
Lu, Xiaopeng1,2; Gu, Fangna1; Liu, Qing1; Gao, Jiajian1; Jia, Lihua2; Xu, Guangwen1; Zhong, Ziyi3; Su, Fabing1
2015-12-23
发表期刊INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
ISSN0888-5885
卷号54期号:50页码:12516-12524
摘要A series of MnOx-promoted Ni catalysts supported on Si waste contact mass (W) modified by Al2O3 were successfully prepared by the deposition-precipitation method for CO methanation. Compared with the Ni catalysts directly supported on W, Ni/Al2O3-Si and MnOx-promoted Ni-MnOx/Al2O3-Si catalysts exhibited much better catalytic performance for CO methanation, particularly the latter, which exhibited the least decrease in CO conversion (1%) and lowest carbon deposit (0.3 wt %) in a 110 h lifetime test. The structural characterizations showed the highest Ni dispersion and highest oxygen vacancy concentration in the Ni-MnOx/Al2O3-Si catalyst. The added Al2O3 improves the dispersion of Ni, and the MnOx promoter can restrain the sintering and aggregation of Ni particles during the process of reduction and reaction at high temperatures and provides more oxygen vacancies, which is conducive to the removal of carbonaceous species on the :catalyst surface for anticoking.
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1021/acs.iecr.5b03327
收录类别SCI
语种英语
关键词[WOS]SYNTHETIC NATURAL-GAS ; NICKEL-CATALYSTS ; SYNGAS METHANATION ; LOW-TEMPERATURE ; OVEN GAS ; NI/AL2O3 CATALYSTS ; ALUMINA ; OXIDE ; COMBUSTION ; OXIDATION
WOS研究方向Engineering
WOS类目Engineering, Chemical
项目资助者National Natural Science Foundation of China(21476238 ; National Basic Research Program(2014CB744306) ; National High Technology Research and Development Program of China (863)(SS2012AA021402) ; "Strategic Priority Research Program" of the Chinese Academy of Sciences(XDA07010100 ; 21206173) ; XDA07010200)
WOS记录号WOS:000367562900006
引用统计
被引频次:9[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/20249
专题多相复杂系统国家重点实验室
作者单位1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.Qiqihar Univ, Coll Chem & Chem Engn, Qiqihar 161006, Heilongjiang, Peoples R China
3.Nanyang Technol Univ, Sch Chem & Biomed Engn, Singapore 637459, Singapore
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Lu, Xiaopeng,Gu, Fangna,Liu, Qing,et al. Ni-MnOx Catalysts Supported on Al2O3-Modified Si Waste with Outstanding CO Methanation Catalytic Performance[J]. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,2015,54(50):12516-12524.
APA Lu, Xiaopeng.,Gu, Fangna.,Liu, Qing.,Gao, Jiajian.,Jia, Lihua.,...&Su, Fabing.(2015).Ni-MnOx Catalysts Supported on Al2O3-Modified Si Waste with Outstanding CO Methanation Catalytic Performance.INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,54(50),12516-12524.
MLA Lu, Xiaopeng,et al."Ni-MnOx Catalysts Supported on Al2O3-Modified Si Waste with Outstanding CO Methanation Catalytic Performance".INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH 54.50(2015):12516-12524.
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