期刊
WASTE MANAGEMENT
卷 63, 期 -, 页码 246-256出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.wasman.2017.02.001
关键词
Waste-to-energy; Contaminant removal; Adsorption; Siloxane; Landfill gas; Biogas
资金
- Hinkley Center for Solid and Hazardous Waste Management, DOE SBIR [DE-SC0015221]
- Florida High Tech Corridor
- NASA's Dissertation Improvement Fellowship
- Office of Undergraduate Research at USF
- U.S. Department of Energy (DOE) [DE-SC0015221] Funding Source: U.S. Department of Energy (DOE)
Waste-to-energy projects are an increasingly prominent component of future energy portfolios. Landfill gas (LFG)-to-energy (LFGTE) projects are particularly important as they address greenhouse gas emissions. Contaminants in LFG may hamper these projects both from environmental and economic standpoints. The purpose of this review is to highlight key aspects (LFG composition ranges, LFG fiowrates, and allowable tolerances for LFGTE technologies, performance and costs for contaminant removal by adsorption). Removal of key contaminants, H2S and siloxanes, by adsorption are surveyed in terms of adsorption capacities and regeneration abilities. Based on the open literature, costing analyses are tabulated and discussed. The findings indicate economics of contaminant removal depend heavily on the feed concentrations of contaminants, allowable tolerances for the LFGTE technology, and the current market for the product. Key trends, identification of challenges, and general purification guidelines for purifying LFG for energy projects are also discussed. (C) 2017 Elsevier Ltd. All rights reserved.
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