Optimal design, thermodynamic, cost and CO2 emission analyses of coal-to-methanol process integrated with chemical looping air separation and hydrogen technology

doi:10.1016/j.energy.2020.117876

CORC > 兰州理工大学 > 兰州理工大学 > 石油化工学院

	Optimal design, thermodynamic, cost and CO2 emission analyses of coal-to-methanol process integrated with chemical looping air separation and hydrogen technology
	Zhang, Dongqiang 1; Duan, Runhao 1; Li, Hongwei 1; Yang, Qingchun 2; Zhou, Huairong 1
刊名	Energy
	2020-07-15
卷号	203 期号:1
关键词	Carbon dioxide Chemical analysis Coal Coal industry Economics Energy utilization Methanol Separation Water gas shift Air separation unit CO2 concentration Domestic supplies High energy consumption Hydrogen technologies Hydrogen-to-carbon ratio Methanol production Reduce energy consumption
ISSN号	03605442
DOI	10.1016/j.energy.2020.117876
英文摘要	In China, coal is the main raw material used for methanol production to relieve the domestic supply and demand. The conventional coal-to-methanol (CTM) process suffers from less energy efficiency since high energy consumption of air separation and CO2 capture. A novel CTM process integrated with chemical looping air separation (CLAS) and chemical looping hydrogen (CLH) is designed and analyzed to reduce energy consumption, CO2 emission, and improve energy efficiency. The integration of CLAS technology can remove air separation unit and decrease energy consumption to a certain extent. The integration of CLH technology can remove water-gas shift unit and increase the CO2 concentration and reduce the energy consumption of CO2 capture. The CLH technology also produces hydrogen used for adjustment of hydrogen to carbon ratio of the syngas. Process modelling results show that the energy consumption of the CLAS and that of the CO2 capture of the CLH are decreased by 41% and 89%, comparing to those of the conventional air separation and CO2 capture of the CTM process. In addition, the energy efficiency of the new process is increased by 18% and CO2 emission reduced by 45% in comparison with the conventional CTM process. © 2020 Elsevier Ltd
WOS研究方向	Thermodynamics ; Energy & Fuels
语种	英语
出版者	Elsevier Ltd
WOS记录号	WOS:000542247000078
内容类型	期刊论文
源URL	[http://ir.lut.edu.cn/handle/2XXMBERH/115504]
专题	石油化工学院
作者单位	1.College of Petrochemical Technology, Lanzhou University of Technology, Lanzhou; 730050, China; 2.School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei; 230009, China
推荐引用方式 GB/T 7714	Zhang, Dongqiang,Duan, Runhao,Li, Hongwei,et al. Optimal design, thermodynamic, cost and CO2 emission analyses of coal-to-methanol process integrated with chemical looping air separation and hydrogen technology[J]. Energy,2020,203(1).
APA	Zhang, Dongqiang,Duan, Runhao,Li, Hongwei,Yang, Qingchun,&Zhou, Huairong.(2020).Optimal design, thermodynamic, cost and CO2 emission analyses of coal-to-methanol process integrated with chemical looping air separation and hydrogen technology.Energy,203(1).
MLA	Zhang, Dongqiang,et al."Optimal design, thermodynamic, cost and CO2 emission analyses of coal-to-methanol process integrated with chemical looping air separation and hydrogen technology".Energy 203.1(2020).