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三维有序大孔Fe2O3为载氧体的生物质热解气化实验研究
Authors
何方
李海滨
+4 more
赵坤
赵增立
魏国强
黄振
Publication date
1 January 2013
Publisher
Abstract
采用无皂乳液聚合法制备单分散聚苯乙烯(PS)微球,并以硝酸盐为原料、柠檬酸为络合剂制备前驱体溶液,通过浸渍和焙烧得到三维有序大孔(3DOM)Fe203,并通过SEM、XRD、BET和压汞仪对3DOMFe20,进行表征。采用热重.质谱联用的方法,以3DOMFe2O3为载氧体,对生物质在氦气气氛下的热解气化进行研究,探讨3DOMFe:O。载氧体在生物质热解气化过程中代替纯氧、富氧空气或水蒸气作为生物质气化剂的可能性,并与普通分析纯Fe203与生物质热解气化的实验结果进行对比,分析3DOMFe2O3在提高载氧体反应活性方面的作用。结果表明,制备的3DOMFe2O3呈现排列规整的三维有序多孔形貌,层与层间通过三维孔道相连,并呈交替排列。通过与分析纯Fe2O3的XRD谱图对比,发现制得的3DOMFe2O3为纯Fe203,无其他杂质相的存在。热重一质谱分析结果表明,Fe203作为载氧体在高温段促成了生物质气化反应的发生。与分析纯的Fe:0,作对比,当载氧体为三维有序大孔结构时,生物质的最大失重率提高了7.1%,气化阶段的最大失重速率提高了0.29%/min,CO、C02、CH4在高温段出现两个连续的析出峰
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Institutional Repository of GuangZhou Institute of Energy Conversion, CAS
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oai:ir.giec.ac.cn:344007/34199
Last time updated on 04/12/2021
Institutional Repository of GuangZhou Institute of Energy Conversion, CAS
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:ir.giec.ac.cn:344007/34201
Last time updated on 04/12/2021