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Traditional membrane cleaning methods generate waste cleaning waters; whose disposal costs are an increasing concern. The use of backflushed coalescing microfiltration for the pre-treatment of oily wastewaters prior to ultrafiltration is an interesting technique offering potential as a physical pre-treatment method. The concept of this technique is to pre-treat oily wastewaters with a large pore microfiltration...
This paper describes the results of a study aimed at removing oil and grease from bilge water accumulating in the lower recesses of ships. Bilge water is a difficult wastewater to treat as it contains seawater, particulates, used oils and detergents. The objective of this work was to design a membrane system that minimized the production of brine retentate waters that must be stored onboard a ship...
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