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Plasma gasification performances of various raw and torrefied biomass materials using different gasifying agents.
Bioresource Technology ( IF 9.7 ) Pub Date : 2020-06-27 , DOI: 10.1016/j.biortech.2020.123740
Po-Chih Kuo , Biju Illathukandy , Wei Wu , Jo-Shu Chang

Plasma gasification of raw and torrefied woody, non-woody, and algal biomass using three different gasifying agents (air, steam, and CO2) is conducted through a thermodynamic analysis. The impacts of feedstock and reaction atmosphere on various performance indices such as syngas yield, pollutant emissions, plasma energy to syngas production ratio (PSR), and plasma gasification efficiency (PGE) are studied. Results show that CO2 plasma gasification gives the lowest PSR, thereby leading to the highest PGE among the three reaction atmospheres. Torrefied biomass displays increased syngas yield and PGE, but is more likely to have a negative environmental impact of N/S pollutants in comparison with raw one, especially for rice straw. However, the exception is for torrefied grape marc and macroalgae which produce lower amounts of S-species under steam and CO2 atmospheres. Overall, torrefied pine wood has the best performance for producing high quality syngas containing low impurities among the investigated feedstocks.



中文翻译:

使用不同的气化剂的各种原料和焙烧的生物质材料的等离子体气化性能。

通过热力学分析,使用三种不同的气化剂(空气,蒸汽和CO 2)对原始和焙烤的木质,非木质和藻类生物质进行等离子体气化。研究了原料和反应气氛对各种性能指标的影响,例如合成气收率,污染物排放,等离子体能与合成气的生产率(PSR)和等离子体气化效率(PGE)。结果表明,CO 2等离子气化产生最低的PSR,从而导致在三个反应气氛中产生最高的PGE。烘焙过的生物质显示出合成气产量和PGE的增加,但与未处理的生物质相比,尤其是稻草对N / S污染物的环境影响更大。但是,在蒸汽和CO 2气氛下,经过烘烤的葡萄渣和大型藻类除外,它们产生的S物种数量较少。总体而言,在所研究的原料中,松木经过焙烧的木材具有生产含杂质少的高质量合成气的最佳性能。

更新日期:2020-07-01
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