Microbial community structure on seawater reverse osmosis membrane revealed by the clone library of 16S rRNA genes
- Microbial community structure on seawater reverse osmosis membrane revealed by the clone library of 16S rRNA genes
- 배효관; 정성필; 이석헌
- Issue Date
- 3rd International Desalination Workshop
- , 91-92
- Seawater reverse osmosis (SWRO) technology have been widely implemented at an industrial scale for past decades due to its the high quality water for drinking and industrial purposes, reduction of plant size, and simple water treatment processes comparing with multiple-effect distillation (MED), multi-stage flash distillation (MSF), vapor compression (VC), reverse osmosis (RO), and electrodialysis (ED) (EI-Azizi and Edyvean, 2009). However, susceptibility to fouling is a major problem of SWRO processes imposing serious performance limitations and low performance reliability due to the presence of colloidal, Particulate, and dissolved organic and inorganic matter in feed seawater. Crystalline, organic, and colloid fouling can generally controlled by reduction of foulant concentration in the water phase by the pretreatment systems. in contrast, biofouling is hard to control by reducing the number of microorganisms in the water phase only (Flemming, 1997). Despite recent breakthroughs in SWRO technology, the major bacteria responsible for the biofouling have not been identified yet. in this research, dominant bacteria were identified based on the library of 16S rRNA genes of the SWRO membranes with different disinfection strategies using UV and chlorine
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