A rapid performance diagnosis of seawater reverse osmosis membranes: Simulation approach

Young Geun Lee, Do Yeon Kim, Yu Chang Kim, Yun Seok Lee, Da Hee Jung, Minkyu Park, Sang Jin Park, Sangho Lee, Dae Ryook Yang, Joon Ha Kim

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Recovery and salt rejection rate, which are directly related to the membrane properties and operating conditions (i.e., feed flow rate, pressure, temperature, and TDS concentration), are two main indicators for evaluating the performance of a reverse osmosis (RO) membrane process. A simple and rapid test with minimum data is inevitably requested to diagnose membrane performance at a certain operating conditions, because experiments at all operating conditions are inefficient and consumable work in the view of cost as well as man-hour. In this study, permeate flow rate and TDS concentration of three kinds of commercial RO membranes were carefully examined under various operating conditions [i.e., feed pressure (45-65 kgf/cm2) and temperature (5-30°C)]. Based on the experimental data, membrane resistance models including temperature and pressure correction factors were developed for the rapid diagnosis of SWRO membrane performances. As a result, the models developed in this study have good agreements between observed and simulated data. Based on the procedure in this study, the performance of any type of RO membranes can be rapidly examined by simple model parameter inputs. Furthermore, the developed diagnosis tool for performance test of SWRO membranes can be practically applied to build database of membrane performance for designing the SWRO process with minimum data as well as to reduce the cost and effort for data acquisition.

Original languageEnglish
Pages (from-to)11-19
Number of pages9
JournalDesalination and Water Treatment
Volume15
Issue number1-3
DOIs
Publication statusPublished - 2010 Mar

Keywords

  • Membrane resistance model
  • Pressure correction factor
  • Reverse osmosis membrane
  • Temperature correction factor

ASJC Scopus subject areas

  • Water Science and Technology
  • Ocean Engineering
  • Pollution

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