期刊
NEW JOURNAL OF CHEMISTRY
卷 38, 期 9, 页码 4471-4477出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4nj00780h
关键词
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资金
- National Natural Science Foundation of China [51276166]
- International Science and Technology Cooperation Program of China [2011DFR60190]
- Zhejiang Provincial Natural Science Foundation of China [R1110089]
Biochar derived from the fast pyrolysis of lauan was activated to develop its pore structure and used as a catalyst support in the methanation of bio-syngas. The physicochemical properties of the support and the ruthenium (Ru)/activated biochar (ABC) catalysts used were characterized using multiple characterization techniques. The effect of Ru loading on bio-syngas methanation was investigated using a range of ABC supported Ru catalysts. CO conversion was low during bio-syngas methanation due to the low H-2 content and was increased upon increasing the Ru loading. However, increasing the H-2/(CO + CO2) ratio in bio-syngas by addition of H-2 significantly improved the conversion of CO and CO2. The CO2 conversion was increased to 17.5% and 55%. CO conversion was 74% and 97% and the selectivity of CH4 reached 84% and 92% using a H-2/(CO + CO2) ratio of 2 and 4, respectively.
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