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Title: Life cycle energy use and GHG emission assessment of coal-based SNG and power cogeneration technology in China
Author: Li, Sheng1; Gao, Lin1; Jin, Hongguang1
Source: ENERGY CONVERSION AND MANAGEMENT
Issued Date: 2016-03-15
Volume: 112, Pages:91-100
Keyword: Life cycle ; Energy use ; GHG emissions ; SNG ; Cogeneration
DOI: 10.1016/j.enconman.2015.12.075
DOC Type: Article
English Abstract: Life cycle energy use and GHG emissions are assessed for coal-based synthetic natural gas (SNG) and power cogeneration/polygenereation (PG) technology and its competitive alternatives. Four main SNG applications are considered, including electricity generation, steam production, SNG vehicle and battery electric vehicle (BEV). Analyses show that if SNG is produced from a single product plant, the lower limits of its life cycle energy use and GHG emissions can be comparable to the average levels of coal-power and coal-BEV pathways, but are still higher than supercritical and ultra supercritical (USC) coal-power and coal-BEV pathways. If SNG is coproduced from a PG plant, when it is used for power generation, steam production, and driving BEV car, the life cycle energy uses for PG based pathways are typically lower than supercritical coal-power pathways, but are still 1.6-2.4% higher than USC coal-power pathways, and the average life cycle GHG emissions are lower than those of all coal-power pathways including USC units. If SNG is used to drive vehicle car, the life cycle energy use and GHG emissions of PG-SNGV-power pathway are both much higher than all combined coal-BEV and coal-power pathways, due to much higher energy consumption in a SNG driven car than in a BEV car. The coal-based SNG and power cogeneration technology shows comparable or better energy and environmental performances when compared to other coal based alternatives, and is a good option to implement China's clean coal technologies. (C) 2016 Elsevier Ltd. All rights reserved.
WOS Headings: Science & Technology ; Physical Sciences ; Technology
WOS Subject: Thermodynamics ; Energy & Fuels ; Mechanics ; Physics, Nuclear
WOS Subject Extended: Thermodynamics ; Energy & Fuels ; Mechanics ; Physics
WOS Keyword Plus: NATURAL-GAS ; CO2 CAPTURE ; BIOMASS ; GENERATION ; PLANT
Indexed Type: SCI
Funder: National Natural Science Foundation of China(51306185) ; Youth Innovation Promotion Association CAS
Language: 英语
WOS ID: WOS:000373245500009
Citation statistics:
Content Type: 期刊论文
URI: http://ir.etp.ac.cn/handle/311046/112498
Appears in Collections:中国科学院工程热物理所(论文库)_期刊论文(SCI)

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description.institution: 1.Chinese Acad Sci, Inst Engn Thermophys, POB 2706, Beijing 100190, Peoples R China
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