Development of life cycle water footprints for gas-fired power generation technologies

被引：31
|
作者：
Ali, Babkir [1 ]
Kumar, Amit [1 ]
机构：
[1] Univ Alberta, Dept Mech Engn, Donadeo Innovat Ctr Engn, Edmonton, AB T6G 2G8, Canada
来源：
ENERGY CONVERSION AND MANAGEMENT | 2016年 / 110卷
基金：
加拿大自然科学与工程研究理事会;
关键词：
Water-energy nexus; Natural gas; Shale gas; Electricity generation; Life cycle assessment; SHALE GAS; PLANTS;
D O I：
10.1016/j.enconman.2015.12.048
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The key objective of this paper is to develop a benchmark for water demand coefficients of the complete life cycle of natural gas-fired power generation. Water demand coefficients include water consumption and water withdrawals for various stages of natural gas production as well as for power generation from it. Pathways were structured based on the unit operations of the types of natural gas sources, power generation technologies, and cooling systems. Eighteen generic pathways were developed to comparatively study the impacts of different unit operations on water demand. The lowest life cycle water consumption coefficient of 0.12 L/kW his for the pathway of conventional gas with combined cycle technology, and dry cooling. The highest life cycle consumption coefficient of 2.57 L/kW his for a pathway of shale gas utilization through steam cycle technology and cooling tower systems. The water consumption coefficient for the complete life cycle of cogeneration technology is in the range 0.07-0.39 L/kW h and for withdrawals ranged 0.10-14.73 L/kW h. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：386 / 396
页数：11
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