해수담수화 공정에서 역삼투막의 유기 막오염에 대한 SWRO 막의 화학세정 효율 평가 = Evaluation on Chemical Cleaning Efficiency of Organic-fouled SWRO Membrane in Seawater Desalination Process

다국어 초록 (Multilingual Abstract)

Membrane fouling is an unavoidable phenomenon in operation of seawater reverse osmosis (SWRO) and major obstacle for economic and efficient operation. When fouling occurs on the membrane surface, the permeate flux is decreased, on the contrary, the trans-membrane pressure (TMP) is increased, therefore operation and maintaining costs and potential damage of membranes are able to the pivotal risks of the process. Chemical cleaning process is essential to prevent interruptions for effective RO membrane filtration process. This study focused on proper chemical cleaning condition for polyamide RO membranes of 4 companies. Several chemical agents were applied for chemical cleaning under numbers of operating conditions. Additionally, a monitoring tool of FEEM as autopsy analysis method is adapted for the prediction of organic bio-fouling.

참고문헌 (Reference)

1 Dalvi, A.G.I., "Studies on organic foulants in the seawater feed of reverse osmosis plants of SWCC" 459-474, 2000

2 Katsoufidoua K., "An experimental study of UF membrane fouling by humic acid and sodium alginate solutions: the effect of backwashing on flux recovery" 220 : 214-227, 2008