Energy consumption and recovery in reverse osmosis

被引:165
作者
Gude, Veera Gnaneswar [1 ]
机构
[1] Oregon Inst Technol, Dept Civil Engn, Klamath Falls, OR 97601 USA
关键词
Desalination; Reverse osmosis; Energy consumption; Energy recovery; Specific energy and water recovery; BRACKISH-WATER DESALINATION; MASS-TRANSFER COEFFICIENT; LONG-TERM EXPERIENCE; SEAWATER RO; MEMBRANE DESALINATION; SEA-WATER; PRESSURE EXCHANGER; LARGE-DIAMETER; WASTE-WATER; SYSTEM;
D O I
10.5004/dwt.2011.2534
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
Energy consumption is a key factor which influences the freshwater production cost in reverse osmosis (RO) process. Energy recovery and reuse options have already been very well explored in the current desalination industry. Achieving minimum theoretical specific energy consumption for water recovery is not feasible due to effects of concentration polarization, membrane fouling and hydraulic resistance to permeate flow. Due to these limitations, energy recovery along with water recovery can be a better alternative to improve energy consumption and economics of the RO process both in small and large scale applications. This paper reviews currently available process configurations, operating strategies, and discusses potential pathways to recover and recycle energy and water to improve the performance of the RO process.
引用
收藏
页码:239 / 260
页数:22
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