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Alternative TitleAn experimental study of dust removal from biomass gasification gas at high temperature by ceramic filter
谢建军; 郎林; 杨文申; 刘华财; 陈坚; 阴秀丽; 吴创之
Source Publication化工进展
Other AbstractHot gas filtration with raw syngas was continuously tested for100hours on a pilot scale purification system,the influence of biomass type,after-burning and back blow on pressure drops and temperatures of dust filter were studied,and the concentrations of gas component,tar and dust in the raw syngas and purified syngas were analyzed.It was found that compared with filtration with syngas from wood chip gasification,the pressure drop of the filter increased by1200-1500Pa while filtration with syngas from co-gasification of pellet(25%mass)and wood chip(75%)the optimal temperature of filter was450-550℃;after-burning with air was a more effective way to decrease the filter pressure drop than back blowing with N2.The optimal flow rate of after-burning air was10-12m3/h when the flow of syngas was260-400m3/h;and the filter pressure drop remained at around1200Pa.It was concluded that the pilot filtration system could continuously and stably run for100hours.The dust content in purified syngas was as low as10-40mg/m3.The dust and tar removal efficiency was92.3%to99.8%and31.0%to92.5%,respectively.The filtration did not reduce the concentration of combustiblegases in purified syngas significantly.
Keyword生物质 气化 过滤 粉尘 焦油 biomass gasification filtration dust tar
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Document Type期刊论文
Corresponding Author阴秀丽
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
谢建军,郎林,杨文申,等. 高温陶瓷净化生物质气化粗燃气粉尘试验研究[J]. 化工进展,2017,36(8):2903-2909.
APA 谢建军.,郎林.,杨文申.,刘华财.,陈坚.,...&吴创之.(2017).高温陶瓷净化生物质气化粗燃气粉尘试验研究.化工进展,36(8),2903-2909.
MLA 谢建军,et al."高温陶瓷净化生物质气化粗燃气粉尘试验研究".化工进展 36.8(2017):2903-2909.
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