Green hydrogen coupling with CO2 utilization of coal-to-methanol for high methanol productivity and low CO2 emission

doi:10.1016/j.energy.2021.120970

CORC > 兰州理工大学 > 兰州理工大学 > 石油化工学院

	Green hydrogen coupling with CO2 utilization of coal-to-methanol for high methanol productivity and low CO2 emission
	Wang Dongliang 1,2; Meng Wenliang 1,2; Zhou Huairong 1,2; Li Guixian 1,2; Yang Yong 1,2; Li Hongwei 1,2
刊名	ENERGY
	2021-09-15
卷号	231
关键词	CO2 utilization Green hydrogen Integration Optimization Performance analysis
ISSN号	0360-5442
DOI	10.1016/j.energy.2021.120970
英文摘要	The conventional coal-to-methanol (CTM) process suffers from large CO2 emission. The additional hydrogen supplement to the CTM process can effectively improve the carbon utilization efficiency. However, the CO2 emission intensity and cost of existing hydrogen production technologies based on fossil resources are extremely high. This paper proposes a green hydrogen (GH) production integrated with CO2 utilization of the CTM process. The new process is called GH-CTM process, which can achieve intensive material coupling, improve carbon efficiency, and increase methanol productivity. Process modeling, parameters optimization, and simulation results showed that the energy efficiency, CO2 emission, and methanol output of the proposed process were 10.52% higher, 85.64% lower, and 124.67% higher than those of the conventional CTM process, respectively; moreover, the production cost of the proposed process was 23.95% lower than that of the CTM process, and the payback period of investment (2.8 years) was lower than that of the CTM process (7.2 years). In addition, the internal rate of return of the proposed process was increased by 47.37% compared with that of traditional CTM process. The proposed process provides a promising method for the introduction of green hydrogen to realize CO2 utilization and the sustainable conversion of coal to chemicals. (C) 2021 Elsevier Ltd. All rights reserved.
WOS研究方向	Thermodynamics ; Energy & Fuels
语种	英语
出版者	PERGAMON-ELSEVIER SCIENCE LTD
WOS记录号	WOS:000670307700005
内容类型	期刊论文
源URL	[http://ir.lut.edu.cn/handle/2XXMBERH/148759]
专题	石油化工学院
作者单位	1.Lanzhou Univ Technol, Sch Petrochem Engn, Lanzhou 730050, Gansu, Peoples R China; 2.Key Lab Low Carbon Energy & Chem Engn Gansu Prov, Lanzhou 730050, Gansu, Peoples R China
推荐引用方式 GB/T 7714	Wang Dongliang,Meng Wenliang,Zhou Huairong,et al. Green hydrogen coupling with CO2 utilization of coal-to-methanol for high methanol productivity and low CO2 emission[J]. ENERGY,2021,231.
APA	Wang Dongliang,Meng Wenliang,Zhou Huairong,Li Guixian,Yang Yong,&Li Hongwei.(2021).Green hydrogen coupling with CO2 utilization of coal-to-methanol for high methanol productivity and low CO2 emission.ENERGY,231.
MLA	Wang Dongliang,et al."Green hydrogen coupling with CO2 utilization of coal-to-methanol for high methanol productivity and low CO2 emission".ENERGY 231(2021).