期刊文献+

流化床生物质CO_2催化气化模拟分析 被引量:4

Simulation analysis of CO_2 as a gasifying agent for gas production from pine sawdust in fluidized bed reactor
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摘要 利用Aspen Plus软件模拟了生物质制合成气过程,开发了以CO_2为气化剂的流化床生物质催化气化计算模型。本模型基于限制平衡的最小吉布斯自由能原理,通过比较模拟结果和实验结果,验证了模拟研究的可行性。探讨了二氧化碳生物质比、气化温度和压力对气化结果的影响。结果表明,在二氧化碳生物质比操作范围内(0.5~1.7),产物气中CO占总体积的41%~45%,H_2占总体积的22%~29%,CH_4占总体积的5%左右,可燃物总量占总体积的75%左右。当气化温度从600℃升至800℃时,H_2体积分数从13.5%增至28%,CO体积分数从28%增至47%,CH_4含量下降趋近于0。压力升高不利于生物质气化过程的进行,在保证气化炉反应速率的前提下,应尽量降低操作压力。 利用Aspen Plus软件模拟了生物质制合成气过程,开发了以CO<sub>2</sub>为气化剂的流化床生物质催化气化计算模型。本模型基于限制平衡的最小吉布斯自由能原理,通过比较模拟结果和实验结果,验证了模拟研究的可行性。探讨了二氧化碳生物质比、气化温度和压力对气化结果的影响。结果表明,在二氧化碳生物质比操作范围内(0.5~1.7),产物气中CO占总体积的41%~45%,H<sub>2</sub>占总体积的22%~29%,CH<sub>4</sub>占总体积的5%左右,可燃物总量占总体积的75%左右。当气化温度从600℃升至800℃时,H<sub>2</sub>体积分数从13.5%增至28%,CO体积分数从28%增至47%,CH<sub>4</sub>含量下降趋近于0。压力升高不利于生物质气化过程的进行,在保证气化炉反应速率的前提下,应尽量降低操作压力。
出处 《化工进展》 EI CAS CSCD 北大核心 2011年第S1期816-821,共6页 Chemical Industry and Engineering Progress
基金 国家自然科学基金(20876079) 教育部新世纪优秀人才支持计划项目(NCET-07-0473) 山东省科技攻关项目(2009GG10007001) 山东省自然科学杰出青年基金项目(JQ200904)
关键词 ASPEN Plus 流化床 CO<sub>2</sub> 生物质 催化气化 Aspen Plus fluidized bed CO<sub>2</sub> biomass catalytic gasification
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参考文献11

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共引文献113

同被引文献52

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