CIESC Journal ›› 2009, Vol. 60 ›› Issue (7): 1787-1792.
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WANG Gang;LI Aimin;QUAN Cui
Online:
Published:
王刚;李爱民;全翠
Abstract:
Pyrolytic process has a promising potential for the environmentally friendly upgrading of biomass and other materials such as plastics, coal.In this study, the influence of a biopolymer, polylactic acid (PLA) on the pyrolysis of corncob was investigated by using a fast pyrolysis fixed-bed reactor.The results indicated that the co-processing of PLA with corncob increased liquefaction yield and a lower water content as a function of the corncob/PLA ratio was obtained.Furthermore, the thermal degradation of corncob, PLA and their blends in nitrogen was studied at different temperatures by using TGA/FTIR.The gas evolved during degradation was identified by in situ FTIR.The results showed obvious synergies between corncob and PLA during co-pyrolysis.
Key words: 生物质, 热解, 聚乳酸, TGA/FTIR
生物质,
摘要:
生物质与塑料、煤等物料之间的共热解是环境友好、具有极大发展潜力的生物质热解升级处理方式。通过自制快速固定床热解反应器研究了玉米芯与聚乳酸的热解。结果表明,玉米芯与聚乳酸的共热解使热解油产率和热值增加,而水分含量降低。通过TGA/FTIR联用实时考察了玉米芯、聚乳酸及其二者混合条件下的热解气体析出特性,FTIR分析表明玉米芯与聚乳酸在共热解条件下存在明显的耦合作用。
关键词: 生物质, 热解, 聚乳酸, TGA/FTIR
WANG Gang, LI Aimin, QUAN Cui. Thermal decomposition of biomass/polylactic acid during co-pyrolysis[J]. CIESC Journal, 2009, 60(7): 1787-1792.
王刚, 李爱民, 全翠. 生物质与聚乳酸塑料共热解特性 [J]. 化工学报, 2009, 60(7): 1787-1792.
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