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首页> 外文学位 >The treatment of bilge water using a MF/UF hybrid membrane system: Membrane fouling, cleaning and the effect of constituents on flux decline.
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The treatment of bilge water using a MF/UF hybrid membrane system: Membrane fouling, cleaning and the effect of constituents on flux decline.

机译：使用MF / UF混合膜系统处理舱底水：膜结垢，清洁以及组分对通量下降的影响。

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Bilge water accumulates in recesses and bilges onboard ships. Depending on the type of design and age, ships can generate large volumes of bilge water. This wastewater is a mixture of fresh water and seawater containing various contaminants. Typical contaminants may include fuels, oils, greases, detergents, solvents, rusts, paints, insulation material and a wide variety of other substances. Bilge water is a very challenging wastewater to treat due to large variations in production rates and the complex nature of the wastes in solution.; Membrane based Oily Water Separators (OWS) are being increasingly used throughout the world for the treatment of oily wastewater. This work focused on two areas of study: (1) Effects of selected components found in bilge water on membrane performance, and (2) Pilot scale testing using a Microfiltration/Ultrafiltration (MF/UF) hybrid system. The studies are aimed at determining suitable membrane materials and optimum operating conditions such as trans-membrane pressure (TMP) and backflushing for permeate flux enhancement. (Abstract shortened by UMI.)
机译：污水积聚在船上的凹处和舱底。根据设计的类型和年龄，船舶会产生大量的舱底水。该废水是淡水和含有各种污染物的海水的混合物。典型的污染物可能包括燃料，机油，油脂，清洁剂，溶剂，铁锈，油漆，绝缘材料和多种其他物质。由于生产速度的巨大差异以及溶液中废物的复杂性，污水处理是一种非常具有挑战性的废水。膜基油水分离器（OWS）在世界范围内越来越多地用于处理含油废水。这项工作专注于两个研究领域：（1）舱底水中发现的选定成分对膜性能的影响，以及（2）使用微滤/超滤（MF / UF）混合系统进行中试测试。这些研究旨在确定合适的膜材料和最佳操作条件，例如跨膜压力（TMP）和反冲洗以提高渗透通量。 （摘要由UMI缩短。）

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