首页|Study of synergistic behavior during bituminous coal-cow manure co-gasification:The role of intrinsic AAEM and organic matter

Study of synergistic behavior during bituminous coal-cow manure co-gasification:The role of intrinsic AAEM and organic matter

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Co-thermal chemical conversion of coal and biomass is one of the important ways to realize efficient and clean utilization of coal.In this study,a typical Ningdong coal-Yangchangwan bituminous coal and cow manure were used to study the synergistic effect of intrinsic alkali,alkaline earth metals(AAEM)and organic matter on the co-gasification of coal and biomass by thermogravimetry analyzer(TG).The results showed that AAEM had obvious synergistic promotion effect on the gasification of a bituminous coal-cow manure mixture in the isothermal gasification(1000℃),whereas the organic matter will show the opposite effect on the process.To further investigate the effect of organic matter on the gasification process,the influence of organic matter on non-isothermal(25-1000℃)gasification reaction was investigated with heat-ing rate of 10℃/min,the kinetic parameters of the gasification reaction were obtained by Coats-Redfern method.The increase of biomass mass fraction in the sample facilitates the migration of alkali metals from the material to the solid phase.The possible mechanism of the synergistic effect of intrinsic AAEM/organic matter on the co-gasification process was proposed.

Co-gasificationAAEMOrganicSynergistic effectReactivity

Hongqiao Lu、Meng Ma、Juntao Wei、Yonghui Bai、Peng Lv、Jiaofei Wang、Xudong Song、Guanghua Lu、Guangsuo Yu

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State Key Laboratory of High-efficiency Utilization of Coal and Green Chemical Engineering,College of Chemistry and Chemical Engineering,Ningxia University,Yinchuan 750021,China

Joint International Research Laboratory of Biomass Energy and Materials,Co-Innovation Center of Efficient Processing and Utilization of Forest Resources,College of Materials Science and Engineering,Nanjing Forestry University,Nanjing 210037,China

Chemical Engineering,University of Newcastle,Callaghan,NSW 2308,Australia

Institute of Clean Coal Technology,East China University of Science and Technology,Shanghai 200237,China

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2024

10.1007/s40789-024-00694-w

国际煤炭科学技术学报(英文)

国际煤炭科学技术学报(英文)

CSTPCD
ISSN：2095-8293
年,卷(期)：2024.11(5)