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Upgrading biomass fuel gas by reforming over Ni-MgO/gamma-Al2O3 cordierite monolithic catalysts in the lab-scale reactor and pilot-scale multi-tube reformer | |
Qiu, Minghuang; Li, Yuping; Wang, Tiejun; Zhang, Qing; Wang, Chenguang; Zhang, Xinghua; Wu, Chuangzhi; Ma, Longlong; Li, Kai | |
2012-02-01 | |
Source Publication | APPLIED ENERGY |
Volume | 90Issue:1Pages:3-10 |
Abstract | The effect of Ni/Mg mole ratio of Ni-MgO/gamma-Al2O3 cordierite monolithic catalysts on dry reforming of model biomass fuel gas(H-2/CO/C2H4/CH4/CO2/N-2 = 16.0/12.1/2.5/15.1/22.0/32.3, vol.%) was investigated in a lab-scale stainless steel tubular reactor. The results showed that CH4 and CO2 conversions, H-2 and CO yields and H-2/CO ratio in the tail gas was 87.2%, 54.4%, 65.2%, 43.0%, and 1.17 respectively at 750 degrees C over the optimized MCNi0.51MR0.49O (the ratio was 0.51:0.49 with 8.3 wt% NiO loading amount) during 60 h of time on stream (TOS). And the formation of NiO-MgO solid solution structure would restrain the active Ni-0 centers from agglomeration and decrease carbon deposition. Cold test of the vertical-placed tubular reformers (packed by monolith of 7 mm cell spacing) indicated that the pressure drop was as low as 850 Pa at 1.57 m/s of gas velocity with 330 g/m(3) fly ash added. The reforming of real biomass fuel gas (H-2/CO/C2H4/CH4/CO2/N-2 = 10.2/16.8/0.5/6.4/15.2/51.0, vol.%, from air gasification of 200-250 kg/h pine sawdust in the pilot plant) in the multi-tube reformer packed with MCP (larger in size than MCNi0.51Mg0.49O) exhibits the pressure drop of less than 700 Pa, CH4 and CO2 conversions of about 84% and 38.5% and the decrease of tar content from 4.8-5.3 g/m(3) to 0.12-0.14 g/m(3) during 60 h TOS at 670 degrees C. The characterization of the spent catalysts by TG, XRD and ICP-AES proved the anti-sintering and anti-carbon deposition properties of NiO-MgO solid solution monolithic catalyst. (C) 2011 Elsevier Ltd. All rights reserved. |
Subtype | Article |
Keyword | Biomass Fuel Gas Reforming Nio-mgo/gamma-al2o3 Cordierite Monolithic Catalysts Reformer |
WOS Headings | Science & Technology ; Technology |
DOI | 10.1016/j.apenergy.2011.01.064 |
WOS Subject Extended | Energy & Fuels ; Engineering |
WOS Keyword | NI/MGO CATALYSTS ; FLUIDIZED-BEDS ; NI CATALYSTS ; GASIFICATION ; METHANE ; OXIDATION ; SYNGAS ; MODEL |
Indexed By | SCI ; ISTP |
Language | 英语 |
WOS Subject | Energy & Fuels ; Engineering, Chemical |
WOS ID | WOS:000297426100002 |
Citation statistics | |
Document Type | 期刊论文 |
Identifier | http://ir.giec.ac.cn/handle/344007/10539 |
Collection | 中国科学院广州能源研究所 |
Affiliation | Chinese Acad Sci, Key Lab Renewable Energy & Gas Hydrate, Guangzhou Inst Energy Convers, Guangzhou 510640, Peoples R China |
Recommended Citation GB/T 7714 | Qiu, Minghuang,Li, Yuping,Wang, Tiejun,et al. Upgrading biomass fuel gas by reforming over Ni-MgO/gamma-Al2O3 cordierite monolithic catalysts in the lab-scale reactor and pilot-scale multi-tube reformer[J]. APPLIED ENERGY,2012,90(1):3-10. |
APA | Qiu, Minghuang.,Li, Yuping.,Wang, Tiejun.,Zhang, Qing.,Wang, Chenguang.,...&Li, Kai.(2012).Upgrading biomass fuel gas by reforming over Ni-MgO/gamma-Al2O3 cordierite monolithic catalysts in the lab-scale reactor and pilot-scale multi-tube reformer.APPLIED ENERGY,90(1),3-10. |
MLA | Qiu, Minghuang,et al."Upgrading biomass fuel gas by reforming over Ni-MgO/gamma-Al2O3 cordierite monolithic catalysts in the lab-scale reactor and pilot-scale multi-tube reformer".APPLIED ENERGY 90.1(2012):3-10. |
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