Forward osmosis membrane process and its mass transport mechanisms

WANG Yaqin; XU Tongwen; WANG Huanting

doi:10.3969/j.issn.0438-1157.2013.01.027

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Forward osmosis membrane process and its mass transport mechanisms

更新时间：2025-12-10

- Forward osmosis membrane process and its mass transport mechanisms
- CIESC Journal Issue 1, Pages: 252-260(2013)
- 作者机构：
  
  1. 中国科学技术大学化学与材料科学学院功能膜实验室,安徽,合肥,230026
  2. 安徽建筑工业学院材料与化学工程学院,安徽,合肥,230022
  3. 蒙那士大学化工系,维多利亚,澳大利亚,3800
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0438-1157.2013.01.027
  CLC： Q0288
- Online First：05 January 2013，
  
  Published：05 January 2013
- 稿件说明：
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WANG Yaqin, XU Tongwen, WANG Huanting. Forward osmosis membrane process and its mass transport mechanisms[J]. CIESC Journal, 2013, (1): 252-260.
DOI：

WANG Yaqin, XU Tongwen, WANG Huanting. Forward osmosis membrane process and its mass transport mechanisms[J]. CIESC Journal, 2013, (1): 252-260. DOI： 10.3969/j.issn.0438-1157.2013.01.027.

摘要

正渗透是一种新兴的膜分离技术

因其低能耗、抗污染、对污染物截留能力广等的潜力

在脱盐、废水处理、农业和电力等领域的应用前景备受瞩目。本文介绍了正渗透概念和原理

通过正渗透传递过程的现象学模型

对浓差极差极化与质量传递的关系作出分析

提出了强化正渗透传质过程的一些建议。

Abstract

Forward osmosis (FO) is an emerging technology that has attracted numerous attention for its potential applications in many areas

such as desalination

waste water treatment

agriculture

and power generation.FO has shown many advantages over reverse osmosis process in terms of low energy consumption

high rejection of a wide range of contaminants and lower fouling tendency.In this paper the concept and mechanism of FO are presented

and the calculation and determination of the osmotic pressure of solution are discussed.The relationship between concentration polarization and mass transport through the FO membrane on the phenomenological model is analyzed.Some strategies about the enhancement of mass transfer processes of FO operation are suggested.The opportunities and challenges exist side by side in the development of FO technology.

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