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Synthesis Gas Production with NiO-MgO/gamma-Al2O3/Cordierite Monolithic Catalysts in a Pilot-Scale Biomass-Gasification-Reforming System
Wang, Tiejun; Li, Yuping; Wang, Chenguang; Zhang, Xinghua; Ma, Longlong; Wu, Chuangzhi
2011-03-01
发表期刊ENERGY & FUELS
卷号25期号:3页码:1221-1228
摘要A pilot-scale biomass-gasification-reforming system (feedstock of 150-300 kg/h, on a dry basis) was established to produce synthesis gas for liquid fuel synthesis. The design and operation of this-system were preliminarily discussed. Reforming of biomass raw fuel gas over NiO-MgO/gamma-Al2O3/cordierite monolithic catalysts was investigated in a multi tube reformer. The anti coking and anti-sintering properties of NiO-MgO/gamma-Al2O3/cordierite monolithic catalysts were Characterized. The results showed that the NiO-MgO/gamma-Al2O3/cordierite monolithic catalyst with a pore channel size of 7 x 7 mm could continuously deal with biomass raw fuel gas containing large amounts of fly ash. NO channel blocking was observed for a long time running. The pressure drop, of the reformer was only below 700 Paeven under the conditions of fuel gas velocity of 1.4 m/s and fly ash content of 330 g N-1 m(-3) in the raw fuel gas. The synthesis gas [H-2 + CO > 60 vol %, H-2/CO ratio = 0.9-1.0, and lower heating value (LHV) > 10 MJ N-1 m(-3)], could be produced by the biomass-gasification-reforming process under the conditions of total equivalence ratio (ERT) of 0.27 (ERfirst of 0.23, ERsecond of 0.02, and ERthird of 0.02) and steam/biomass (S/B) ratio of 0.4. The cold gas efficiency was above 82%. The characterization of the spent catalysts thermogravimetic (TG), X-ray diffraction (XRD), and inductively coupled plasma-atomic emission spectrometry (ICP-AES) analyses indicated that the NiO-MgO solid solution structure in the catalyst could restrain the active Ni-0 centers from agglomeration and decrease carbon deposition. No serious alkali compound deposition on the surface of the catalyst was detected after the 60 h time-on-stream test. The pilot-scale biomass-gasification-reforming system exhibited excellent operation stability and flexibility.
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1021/ef1015268
研究领域[WOS]Energy & Fuels ; Engineering
关键词[WOS]STEAM-OXYGEN MIXTURES ; FLUIDIZED-BEDS ; NI CATALYSTS ; FUEL GAS ; DEACTIVATION ; EXPOSURE ; METHANE ; ELIMINATION ; REACTOR
收录类别SCI
语种英语
WOS类目Energy & Fuels ; Engineering, Chemical
WOS记录号WOS:000289613300045
引用统计
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/10343
专题中国科学院广州能源研究所
作者单位Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy & Gas Hydrate, Guangzhou 510640, Peoples R China
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Wang, Tiejun,Li, Yuping,Wang, Chenguang,et al. Synthesis Gas Production with NiO-MgO/gamma-Al2O3/Cordierite Monolithic Catalysts in a Pilot-Scale Biomass-Gasification-Reforming System[J]. ENERGY & FUELS,2011,25(3):1221-1228.
APA Wang, Tiejun,Li, Yuping,Wang, Chenguang,Zhang, Xinghua,Ma, Longlong,&Wu, Chuangzhi.(2011).Synthesis Gas Production with NiO-MgO/gamma-Al2O3/Cordierite Monolithic Catalysts in a Pilot-Scale Biomass-Gasification-Reforming System.ENERGY & FUELS,25(3),1221-1228.
MLA Wang, Tiejun,et al."Synthesis Gas Production with NiO-MgO/gamma-Al2O3/Cordierite Monolithic Catalysts in a Pilot-Scale Biomass-Gasification-Reforming System".ENERGY & FUELS 25.3(2011):1221-1228.
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