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SNG-electricity cogeneration through MSW gasification integrated with a dual chemical looping process
被引:27
作者:
Lv, Liping
[1
]
Zhang, Zheng
[2
]
Li, Hang
[1
]
机构:
[1] Yangtze Normal Univ, Sch Chem & Chem Engn, Chongqing 408100, Peoples R China
[2] China Petr Engn & Construct Corp Southwest Co, Chengdu 610041, Sichuan, Peoples R China
关键词:
SNG and electricity cogeneration;
MSW gasification;
Dual chemical looping process;
Simulation;
MUNICIPAL SOLID-WASTE;
STEAM GASIFICATION;
CARBON CAPTURE;
AIR SEPARATION;
CO2;
CAPTURE;
FLUIDIZED-BED;
COAL;
COMBUSTION;
HYDROGEN;
PYROLYSIS;
D O I:
10.1016/j.cep.2019.107665
中图分类号:
TE [石油、天然气工业];
TK [能源与动力工程];
学科分类号:
0807 ;
0820 ;
摘要:
This paper assesses, from a technical perspective, the conversion of municipal solid waste (MSW) to SNG and electricity through gasification simultaneously with a dual chemical looping process, namely chemical looping air separation and calcium looping CO2 absorption. This novel technology includes five main parts: chemical looping air separation (CLAS), MSW gasification, water-gas shift process with calcium looping for enhancement of CO2 absorption (WGS-CaL), heat recovery steam generator (HRSG) and power island. The performance of CLAS, which presents an advantage over the other mature technologies in capital cost, is examined. WGS-CaL is an efficient method for SNG production and CO2 capturing. The three major factors, Mn/M to MSW (Mn/M), steam to MSW (S/M) and the ratio of syngas introduced to WGS were analyzed. Meanwhile, the exergy destruction analysis of whole process has also been calculated.
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页数:10
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