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ISSN : 1226-0088(Print)
ISSN : 2288-7253(Online)
Membrane Journal Vol.23 No.5 pp.343-351

유도용액으로 혼합비료를 사용한 정삼투식 해수담수화에서 담수화 성능에 대한 유도용액 농도의 영향

정 남 조*, 김 승 건, 김 동 국*, 이 호 원
제주대학교 생명화학공학과, *한국에너지기술연구원 제주글로벌연구센터

The Effect of Draw Solution Concentration on Forward Osmosis Desalination Performance Using Blended Fertilizer as Draw Solution

Ho-Won Lee, Namjo Jeong*, Seung-Geon Kim, Dong Kook Kim*
Dept. of Chemical and Biological Engineering, Jeju National University
*Jeju Global Research Center, Korea Institute of Energy Research
(Received October 3, 2013, Revised October 11, 2013, Accepted October 11, 2013)


This study is to investigate the effects of the draw solution concentration on forward osmosis desalination performanceusing blended fertilizer as draw solution. As the concentration of blended fertilizer solution (draw solution) increased,the water permeate flux increased nearly linearly, but PR (performance ratio) was reduced. Using sea water and deionizedwater as the feed solution, respectively, at the blended fertilizer solution of 600 g/L H2O, the PR obtained were 5.39and 6.50, respectively. And as the concentration of blended fertilizer solution increased, the reverse solute flux for nitrogen(N), phosphorus (P), and potassium (K) increased nearly linearly, but specific reverse solute flux for them was reduced. Thereverse solute flux and specific reverse solute flux became higher in the order of N > K > P.


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