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Assessment of char property on tar catalytic reforming in a fluidized bed reactor for adopting a two-stage gasification process
Zeng, Xi1,2; Wang, Fang1; Han, Zhennan3; Han, Jiangze4; Zhang, Jianling1; Wu, Rongcheng1; Xu, Guangwen1,3
2019-08-15
Source PublicationAPPLIED ENERGY
ISSN0306-2619
Volume248Pages:115-125
Abstract

To well understand the effect of char property on tar catalytic reforming and support the development of two stage gasification technology for the clean fuel gas production, the roles of pore structure and metal oxide in tar removal behavior were examined and compared on a fluidized bed two-stage reactor. The results show that although both of micro pore and meso pore had a remarkable influence on tar removal efficiency, fuel gas component and distilling fractions in tar, perhaps micro pore played a much more important role. Moreover, the tar removal efficiency did not have a good proportional relationship with the specific surface area of char. For the spent char, the activation treatment in steam was very beneficial to renew the catalytic reforming on tar by increasing the surface area of micro pore and maintain its high gasification activity. Compared to the demineralized char, the char samples that loaded metal oxide by impregnation approach largely promoted the tar removal efficiency, following the rank of Na2O > Fe2O3 > CaO > MgO. For Na2O, it not only had the best catalytic activity on tar, but also greatly promoted the generations of light tar and effective fuel gas, such as H-2 and CO. Finally, considering the different effect of pore structure and metal oxide on tar catalytic reforming, a brief mechanism of tar catalytic reforming by char was proposed.

KeywordTar Catalytic Reforming Two-stage Gasification Fluidized Bed Char Property
DOI10.1016/j.apenergy.2019.04.122
Language英语
WOS KeywordSteam Gasification ; Biomass Pyrolysis ; Coal Pyrolysis ; Herb Residue ; Fuel Gas ; Removal ; Decomposition ; Syngas ; Waste ; Biochar
Funding ProjectNatural Science Foundation of China[21808227]
WOS Research AreaEnergy & Fuels ; Engineering
WOS SubjectEnergy & Fuels ; Engineering, Chemical
Funding OrganizationNatural Science Foundation of China
WOS IDWOS:000469891900010
PublisherELSEVIER SCI LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/29858
Collection中国科学院过程工程研究所
Corresponding AuthorWang, Fang; Xu, Guangwen
Affiliation1.Chinese Acad Sci, State Key Lab Multiphase Complex Syst, Inst Proc Engn, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Sino Danish Coll, Beijing 100049, Peoples R China
3.Shenyang Univ Chem Technol, Inst Ind Chem & Energy Technol, Shenyang 110142, Liaoning, Peoples R China
4.Hebei Univ Sci & Technol, Sch Chem & Pharmaceut Engn, Shijiazhuang 050018, Hebei, Peoples R China
Recommended Citation
GB/T 7714
Zeng, Xi,Wang, Fang,Han, Zhennan,et al. Assessment of char property on tar catalytic reforming in a fluidized bed reactor for adopting a two-stage gasification process[J]. APPLIED ENERGY,2019,248:115-125.
APA Zeng, Xi.,Wang, Fang.,Han, Zhennan.,Han, Jiangze.,Zhang, Jianling.,...&Xu, Guangwen.(2019).Assessment of char property on tar catalytic reforming in a fluidized bed reactor for adopting a two-stage gasification process.APPLIED ENERGY,248,115-125.
MLA Zeng, Xi,et al."Assessment of char property on tar catalytic reforming in a fluidized bed reactor for adopting a two-stage gasification process".APPLIED ENERGY 248(2019):115-125.
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