Influence of pre-treatment combinations on RO membrane fouling

被引：47
|
作者：
Zhang, Jianhua [1 ]
Northcott, Kathy [2 ]
Duke, Mikel [1 ]
Scales, Peter [3 ]
Gray, Stephen R. [1 ]
机构：
[1] Victoria Univ, Inst Sustainabil & Innovat, Melbourne, Vic 8001, Australia
[2] Veolia, Bendigo Water Treatment Plant, Kangaroo Flat, Australia
[3] Univ Melbourne, Particulate Fluids Proc Ctr, Dept Chem & Biomol Engn, Parkville, Vic 3052, Australia
来源：
DESALINATION | 2016年 / 393卷
关键词：
RO fouling; Waste water pretreatment; Ozonation; BAC; Ceramic membrane; BIOLOGICAL ACTIVATED CARBON; WATER-TREATMENT; WASTE-WATER; SEAWATER DESALINATION; TECHNOLOGY; OZONATION; REJECTION; PRESSURE; EFFLUENT; SYSTEMS;
D O I：
10.1016/j.desal.2016.02.020
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Pretreatment before reverse osmosis systems in water reuse plants is necessary to prevent rapid fouling. The secondary effluent can at times contain a high suspended solids load with a high proportion of colloidal material, organic compounds and bacteria. Such constituents can cause irreversible fouling of downstream RO systems if not successfully removed during pretreatment. To minimise RO membrane organic fouling, a pretreatment combination including advanced oxidation (ozonation), ceramic MF and biological activated carbon (BAC) was assessed. It was found that fouling formed by the feed wastewater pretreated by the combination of ozonation + ceramic MF and BAC can be easily removed by deionised water flushing, in comparison with MF, BAC, or ozone + MF. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：120 / 126
页数：7
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