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Syngas methanation in fluidized bed for an advanced two-stage process of SNG production
Liu, Jiao1; Cui, Dianmiao1,2; Yao, Changbin1; Yu, Jian1; Su, Fabing1; Xu, Guangwen1
2016
发表期刊FUEL PROCESSING TECHNOLOGY
ISSN0378-3820
卷号141期号:JAN页码:130-137
摘要Process simulation was conducted to identify the technical feasibility and optimal reactor combination for a simple two-stage methanation process producing substitute natural gas (SNG). With two adiabatic fixed bed reactors in series the reaction temperature control requires high product gas recycle ratio which is much energy-consuming. An isothermal fluidized bed at 723-823 K combining a tail-end fixed bed was shown to be a high efficient one-pass methanation process. Over a Ni-Mg/Al2O3 catalyst methanation by laboratory tests in a fluidized bed exhibited obvious technical superiority over that in a fixed bed in terms of activity and carbon deposition on the spent catalyst. By noting further that the low-velocity bubbling fluidized bed leads to extremely high cross-sectional areas for large-scale industrial applications, the optimal reactor combination was proposed to be a fast fluidized bed and a clean-up fixed bed, which not only simplifies the methanation process but also reduces the reactor size and catalyst amount required. (C) 2015 Elsevier B.V. All rights reserved.
关键词Methanation Substitute Natural Gas Process Simulation Fast Fluidized Bed Coal Sng
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1016/j.fuproc.2015.03.016
收录类别SCI
语种英语
关键词[WOS]SYNTHETIC NATURAL-GAS ; CARBON-MONOXIDE ; CATALYSTS ; REACTOR
WOS研究方向Chemistry ; Energy & Fuels ; Engineering
WOS类目Chemistry, Applied ; Energy & Fuels ; Engineering, Chemical
项目资助者National Natural Science Foundation of China(21161140329) ; International Science & Technology Cooperation Program of China(2013DFG60060) ; National Key Technology RD Program(2012BAC03B05) ; National High Technology Research and Development Program of China(2015AA050502)
WOS记录号WOS:000366779200018
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被引频次:6[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/122111/20193
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.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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Liu, Jiao,Cui, Dianmiao,Yao, Changbin,et al. Syngas methanation in fluidized bed for an advanced two-stage process of SNG production[J]. FUEL PROCESSING TECHNOLOGY,2016,141(JAN):130-137.
APA Liu, Jiao,Cui, Dianmiao,Yao, Changbin,Yu, Jian,Su, Fabing,&Xu, Guangwen.(2016).Syngas methanation in fluidized bed for an advanced two-stage process of SNG production.FUEL PROCESSING TECHNOLOGY,141(JAN),130-137.
MLA Liu, Jiao,et al."Syngas methanation in fluidized bed for an advanced two-stage process of SNG production".FUEL PROCESSING TECHNOLOGY 141.JAN(2016):130-137.
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