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Performance of an Ultrafiltration Membrane Pilot System for Treatment of Waste Stabilization Lagoon Effluent

Performance of an Ultrafiltration Membrane Pilot System for Treatment of Waste Stabilization Lagoon Effluent
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摘要 Bali Tourism Development Corporation's lagoon (BTDC lagoon) has been used for treating wastewaters that come from all facilities available in the Nusa Dua Resort tourist area. Reuse of the lagoon effluent is limited for some applications due to salt and suspended solid contents. Application of an integrated membrane system for improving the water quality of the lagoon effluent which is suitable for various uses is under consideration. In this work an ultraflltration (UF) pilot performance for possible pretreatment of Reverse Osmosis (RO) was investigated. The results showed that permeate quality was stable (less than 0.5 NTU), regardless of concentrating and diluting retentate in each cycle and fouling for a long duration of operation. However, the water quality obtained with this membrane was not enough to be directly used. The permeate quality obtained from the UF system fulfils the requirement for the optimal operation of reverse osmosis. Moreover, appropriate intermittent-backwash operation was fairly effective to maintain the fluxes at a reasonable level.
出处 《Journal of Environmental Science and Engineering》 2011年第8期962-970,共9页 环境科学与工程(英文版)
关键词 LAGOON ULTRAFILTRATION wastewater treatment water reuse. 污水处理 试验系统 超滤膜 泻湖 性能 稳定 废物 固体悬浮物
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参考文献26

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