中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Direct synthesis of methane-rich gas from reed biomass pyrolysis volatiles over its biochar-supported Ni catalysts

文献类型:期刊论文

作者Yue, Xia2,3; Chen, Dezhen3; Luo, Jia3; Huang, Zhen1; Hong, Liu3; Hu, Yuyan3
刊名BIOMASS & BIOENERGY
出版日期2021-11-01
卷号154页码:11
ISSN号0961-9534
关键词Reed Biochar-supported Ni catalyst Pyrolysis volatiles Methane-rich gas Inorganic salt
DOI10.1016/j.biombioe.2021.106250
通讯作者Chen, Dezhen(chendezhen@tongji.edu.cn)
英文摘要Thermochemical conversion of biomass into methane is a promising way for bioenergy recovery and alleviate natural gas shortage; however, the available technologies are queried by the complex procedures. This paper proposed a new approach for the direct synthesis of methane-rich gases from reed pyrolysis volatile at atmospheric pressure, according to which the reed pyrolysis volatiles are catalyzed over reed biochar-supported Ni catalysts in two stages to be converted. Seawater and freshwater reeds were compared for preparing effective catalysts, and the influences of inorganic salts in reed biomass on the catalytic performance were explored. The reed biochar-supported Ni catalysts were also compared with gamma-Al2O3-supported Ni catalyst (Ni/gamma-Al2O3) to evaluate their activities. It has been found that freshwater reed biochar-supported Ni catalysts (Ni/FWBs) performed better than seawater reed biochar-supported catalysts (Ni/SWBs) and Ni/gamma-Al2O3 owing to their large specific surface areas, uniform Ni particle dispersions, and appropriate Ni/biochar interactions. The Ni/FWB with biochar support produced at 600 degrees C (Ni/600FWB) was the best, and its corresponded tar-free gas product was characterized by a methane yield of 188.38 L/kg( reed) after two-stage catalytic conversion. The SWBs with higher alkali metal contents corresponded to larger Ni loading amounts than that of FWBs under the same conditions; however, they suffered from Ni particle aggregation and fusion, which deteriorated their catalytic activities. The findings indicated that the inexpensive Ni/FWBs were effective for the direct synthesis of methane from biomass pyrolysis volatiles, and the approach developed in this study provides an alternative to produce methane from biomass economically.
WOS关键词NI/AL2O3 CATALYSTS ; GASIFICATION ; ALKALI ; TEMPERATURE ; NICKEL ; DECOMPOSITION ; TOLUENE ; ROLES
资助项目Chinese national key research program[2017YFC0506004]
WOS研究方向Agriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
语种英语
出版者PERGAMON-ELSEVIER SCIENCE LTD
WOS记录号WOS:000705972000004
资助机构Chinese national key research program
源URL[http://ir.giec.ac.cn/handle/344007/35065]  
专题中国科学院广州能源研究所
通讯作者Chen, Dezhen
作者单位1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, CAS, Guangzhou, Peoples R China
2.Inner Mongolia Univ Technol, Sch Mech Engn, 49 Aimin Rd, Hohhot 010051, Peoples R China
3.Tongji Univ, Thermal & Environm Engn Inst, Sch Mech Engn, 1239 Siping Rd, Shanghai 200092, Peoples R China
推荐引用方式
GB/T 7714
Yue, Xia,Chen, Dezhen,Luo, Jia,et al. Direct synthesis of methane-rich gas from reed biomass pyrolysis volatiles over its biochar-supported Ni catalysts[J]. BIOMASS & BIOENERGY,2021,154:11.
APA Yue, Xia,Chen, Dezhen,Luo, Jia,Huang, Zhen,Hong, Liu,&Hu, Yuyan.(2021).Direct synthesis of methane-rich gas from reed biomass pyrolysis volatiles over its biochar-supported Ni catalysts.BIOMASS & BIOENERGY,154,11.
MLA Yue, Xia,et al."Direct synthesis of methane-rich gas from reed biomass pyrolysis volatiles over its biochar-supported Ni catalysts".BIOMASS & BIOENERGY 154(2021):11.

入库方式: OAI收割

来源:广州能源研究所

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