NDLI: Development of the supported nickel-baseed catalysts and application in pyrolyzing biomass

Content Provider	IEEE Xplore Digital Library
Author	Li Jian-fen Liu Jian-jun Xiao Bo Zhuo Han-fen Lao shi-yan Yan Rong
Copyright Year	2010
Description	Author affiliation: School of Chemical and Environmental Engineering, Wuhan Polytechnic University, 430023 China (Li Jian-fen; Liu Jian-jun; Zhuo Han-fen; Lao shi-yan; Yan Rong) \|\| School of Environmental Science & Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China (Xiao Bo)
Abstract	The supported nano-NiO/γ-Al2O3 catalyst was prepared by deposition-precipitation (DP) method. Different analytical approaches such as XRD, BET, TEM and SEM/EDX were used to characterize the synthesized catalysts. The results showed that the prepared nano-NiO/γ-Al2O3 catalysts had a coated structure with a loading of NiO in catalysts over 12 wt %, and they had also a high BET surface area of $124.6m^{2}/g.$ The active components of catalyst were spherical NiO nanoparticles coated on the surface of supports with a size range of 12∼18 nm. Meantime, the activity of the catalysts to remove tar in the process of biomass pyrolysis was also investigated using a bench-scale combined fixed bed reactor. The experiments demonstrated that the tar yield after adding catalysts was reduced significantly, and the removal efficiency of tar reached to 99% for catalytic pyrolysis at 800oC, while the gas yield after adding catalysis increased markedly. Meanwhile, the compositions of gas products before and after adding catalysts in the process also changed significantly, especially the percentages of H2 and CO in the product gas after adding catalysts were obviously increased. Therefore, the prepared catalysts showed their excellent catalytic activity for tar removal and syn-gas producation in biomass pyrolysis.
Starting Page	5160
Ending Page	5163
File Size	321159
Page Count	4
File Format	PDF
ISBN	9781424477371
e-ISBN	9781424477395
DOI	10.1109/MACE.2010.5535930
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-26
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Nanoparticles Pyrolysis X-ray scattering Hydrogen Chemical engineering Catalytic activity Biomass Inductors Chemical technology Catalyst Aluminum oxide
Content Type	Text
Resource Type	Article

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