Co-pyrolysis characteristics of coal and sludge blends using   thermogravimetric analysis

doi:10.1002/ep.12154

CORC > 北京大学 > 工学院

	Co-pyrolysis characteristics of coal and sludge blends using thermogravimetric analysis
	Xiao, Pu ; Xu, Ling ; Wang, Xidong ; Chang, Zhibin
刊名	ENVIRONMENTAL PROGRESS & SUSTAINABLE ENERGY
	2015
关键词	coal sludge co-pyrolysis thermogravimetric kinetics inhibitive effect REFUSE DERIVED FUEL SEWAGE-SLUDGE BITUMINOUS COAL BIOMASS BLENDS WOOD BIOMASS BEHAVIOR CHAR DEVOLATILIZATION KINETICS GASIFICATION
DOI	10.1002/ep.12154
英文摘要	Co-pyrolysis characteristics of low grade coal (LGC) and sludge derived fuel (SDF) as well as their blends (L/S=85/15, 75/25, 50/50, and 25/75) were determined at nonisothermal (10, 20, and 30 degrees C/min) conditions in nitrogen atmosphere using thermogravimetric analyzer (TGA). The results indicated that SDF decomposed at a lower temperature than LGC and weight loss of L/S blends was lower than individual LGC or SDF. The difference of weight loss between experimental measurement and theoretical calculation reached circa 0.82 to 2.50 wt % at around 900 degrees C, indicating that there was an inhibitive effect between LGC and SDF. In addition, textural analysis also confirmed the assumption that L/S blend char had higher surface area but less micropore. The results of kinetics analysis showed that the process could be described by two or three consecutive first order reactions, which revealed the possible mechanism of co-pyrolysis behaviors between LGC and SDF. The estimated kinetics parameters (activation energies and pre-exponential factors) for LGC, SDF and their blends were found to be in the range of 16.3 to 144.1 kJ/mol and 1.21 to 4.09 x 10(10) min(-1), respectively. Lower activation energies observed in the relevant decomposition stages indicated that the reaction became faster upon blending. (c) 2015 American Institute of Chemical Engineers Environ Prog, 34: 1780-1789, 2015; National High-tech R&D Program of China (863 Program) [2012AA06A117]; Medium Instrument Lab; SCI(E); EI; ARTICLE; lingxu@pku.edu.cn; 6; 1780-1789; 34
语种	英语
内容类型	期刊论文
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/439300]
专题	工学院
推荐引用方式 GB/T 7714	Xiao, Pu,Xu, Ling,Wang, Xidong,et al. Co-pyrolysis characteristics of coal and sludge blends using thermogravimetric analysis[J]. ENVIRONMENTAL PROGRESS & SUSTAINABLE ENERGY,2015.
APA	Xiao, Pu,Xu, Ling,Wang, Xidong,&Chang, Zhibin.(2015).Co-pyrolysis characteristics of coal and sludge blends using thermogravimetric analysis.ENVIRONMENTAL PROGRESS & SUSTAINABLE ENERGY.
MLA	Xiao, Pu,et al."Co-pyrolysis characteristics of coal and sludge blends using thermogravimetric analysis".ENVIRONMENTAL PROGRESS & SUSTAINABLE ENERGY (2015).