期刊
BIORESOURCE TECHNOLOGY
卷 340, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2021.125600
关键词
Biomass; Gasification; Syngas; Activated char; Fe-Ni
资金
- National Natural Science Foundation of China [52076069]
- Plan for Science & Technology Innovation Teams in Universities of Henan Province [20IRTSTHN006]
- Department of Science and Technology of Henan Province, China [192102110093]
In this study, Fe-Ni/AC catalyst was prepared and used for catalytic gasification of various biomass feedstocks. It was found that Fe-Ni/AC had an impact on the H2/CO ratio of syngas and exhibited different catalytic effects on different biomass feedstocks.
Char-based catalyst has a promising application for biomass thermal conversion technology. In this work, Fe-Ni/ Activated Char (AC) catalyst was prepared by impregnation method and used for the catalytic gasification of pine wood to obtain syngas. Further, the catalytic performance of Fe-Ni/AC was established by doing a comparative study of catalytic gasification of different biomass feedstocks. The results showed that under the catalysis of FeNi/AC, the increase of gasification temperature was beneficial to increase gas yield, but not conducive to regulate the H2/CO ratio of syngas. The steam flow rate was directly related to the catalytic effect of Fe-Ni. The H2/CO ratio of syngas could reach 1.97 under the optimal conditions. Fe-Ni/AC had different catalytic effects on different biomass feedstocks, with the best for pine wood and the worst for cotton stalk, indicating that gasification intermediates of pine wood were difficult to decompose and depended more on catalyst.
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