Seawater Desalination for Metropolitan Cities—Tackling challenging pretreatment requirements while minimizing energy consumption
Numerous tests around the world have proven that ultrafiltration (UF) provides optimum pre-treatmentfor seawater desalination based on reverse osmosis membranes (SWRO). Ultrafiltration will remove all suspended solids and will provide a substantial reduction in microbiological activities. Plugging of RO spacers is completely eliminated and the RO cleaning frequency can be substantially reduced. The main obstacle against use of ultrafiltration membranes for SWRO pre-treatment has always been the higher operating cost of ultrafiltration when being compared with conventional pre-treatment. A new membrane has been designed with the aim of achieving the lowest whole of life cost while enabling membrane desalination of the most difficult to treat seawater. To maintain the supply-demand balance within London,a140,000m3/day reverse osmosis desalination facility has been constructed to treat brackish water abstracted from the Thames estuary.The plant is located on the north shore of river thames at Beckton,is the London Borough of Newham,and is producing waater since early in 2010.This paper will describe the decision making process for slection or pretreatment for the Thames Gateway SWRO projcet and how environmental impacts are minimized .This paper describes the following topics: ·Design and techincal specification of the ultrafiltration pre-treatment systems ·Other design specifics for minimizaation of the environmental impact ·Technical issues during construction and commissiong
Frans Knops Julio Zorrilla
Frans Knops, Product Manager, Norit X-Flow The Netherlands
国际会议
2010 Asia-Pacific Conference on Desalination and Water Reclamation(2010 亚太脱盐大会)
青岛
英文
99-106
2010-06-22（万方平台首次上网日期，不代表论文的发表时间）