P-206 木質系バイオマスガス化による合成ガス(CO、H_2)製造に関する研究(ポスター発表)

概要

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CO_2/O_2 (79%/21%)/steam gasification and air/steam gasification of woody biomass (Particleboard) were carried out using a downdraft fixed bed gasifier in order to obtain syngas (CO, H_2) required for liquid fuel synthesis. In the range of steam ratio ([H_2O]/[C]) of 0 to 5, a syngas pressure (CO+H_2 vol%) in the CO_2/O_2/steam gasification was 37.7 to42.9 vol%, and were higher than those (26.3 to 33.5 vol%) in air/steam gasification. In CO_2/O_2/steam gasification, the syngas ratio of 1.0 was obtained at [H_O]/[C] of 5. The addition of CO_2 as a gasifying agent led to promotion of producer gas reaction and an increase of syngas pressure. The effect of steam ratio on sulfur compound concentration was studied in CO_2/O_2/steam gasification. The COS concentration decreased from 49.0 to 26.6 ppm with increasing from steam ratio of 0 to 5, while the H_2S concentration increased from 73.8 to 80.5 ppm.
一般社団法人日本エネルギー学会の論文
2008-01-15