H2-rich gas production from co-gasification of biomass/plastics blends: A modeling approach

被引:14
作者
Cao, Yan [1 ]
Bai, Yu [2 ]
Du, Jiang [2 ]
机构
[1] Xian Technol Univ, Sch Comp Sci & Engn, Xian 710021, Peoples R China
[2] Xian Technol Univ, Sch Mechatron Engn, Xian 710021, Peoples R China
关键词
ASPEN plus; Biomass; Hydrogen production; Gasification; Polyethylene; AIR-STEAM GASIFICATION; FLUIDIZED-BED; BIOMASS GASIFICATION; SUPERCRITICAL WATER; HYDROGEN-PRODUCTION; SYNGAS PRODUCTION; PYROLYSIS; WASTE;
D O I
10.1016/j.joei.2023.101454
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
East Asia experiencing massive population growth, which will certainly challenge traditional waste management systems. In recent years, gasification has attracted much attention since it converts carbon-based residues into valuable gas and requires cheaper gas cleaning equipment compared to available technologies. This study presents an ASPEN plus model for simulation of steam co-gasification of polyethylene (PE) and pine (PI) using various temperatures (740-830 degrees C), steam/waste ratio, S/W (0.5-0.8) and PE content in the feedstock mixture (0-60 %). The predicted results were compared with the experimental data available in the literature, and a good agreement was achieved. In general, an increase in gasifier temperature and S/W led to higher H2 production and lower tar content in the syngas resulting from co-gasification process. Regarding tar conversion, increasing the gasifier temperature played a more important role compared to adding steam to the gasifier. H2 content and H2 yield gradually increased from 33.01 to 47.81 % and 48.09-57.76 g/kg, respectively, when PE increased from 0 to 60 %, which may be due to a greater amount of hydrogen present in PE. Over a PE content range from 0 to 60 %, tar concentration had a nearly linear increase, which can be attributed to lower oxygen content available in the mixture.
引用
收藏
页数:6
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