Development of pressure retarded osmosis membrane

WANG Xiuheng; LU Jiandong; ZOU Yachao; YOU Shijie; TANG Chuyang

doi:10.11949/j.issn.0438-1157.20151738

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Development of pressure retarded osmosis membrane

更新时间：2025-11-26

- Development of pressure retarded osmosis membrane
- CIESC Journal Issue 6, Pages: 2187-2194(2016)
- 作者机构：
  
  1. 哈尔滨工业大学城市水资源与水环境国家重点实验室,黑龙江,哈尔滨,150090
  2. 香港大学土木工程学院,香港,中国
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20151738
  CLC： Q028.8
- Online First：05 June 2016，
  
  Published：05 June 2016
- 稿件说明：
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WANG Xiuheng, LU Jiandong, ZOU Yachao, et al. Development of pressure retarded osmosis membrane[J]. CIESC Journal, 2016, (6): 2187-2194.
DOI：

WANG Xiuheng, LU Jiandong, ZOU Yachao, et al. Development of pressure retarded osmosis membrane[J]. CIESC Journal, 2016, (6): 2187-2194. DOI： 10.11949/j.issn.0438-1157.20151738.

摘要

压力延滞渗透(pressure retarded osmosis

PRO)是一种利用不同浓度溶液间渗透压差进行产能的新型膜技术。膜是PRO过程的核心元件

对其产能效果有巨大影响。PRO膜需要有良好的水渗透性和较高的截留率

并具有足够的强度承受高压。首先阐述了PRO过程对膜性能的要求

然后从活性层、支撑层及物理/化学预处理3个方面归纳了当前广泛使用的非对称膜的研究进展

总结了膜材料、制备过程和预处理等对膜性能的影响。同时

归纳了对称膜及准对称膜方面的研究状况

两者可有效降低膜的内部浓差极化现象(ICP)

是未来PRO膜研究的一个重要方向。

Abstract

Pressure retarded osmosis (PRO) is a new membrane technology to produce renewable energy from osmotic pressure difference of two solutions with different concentration. Membrane used in the PRO process requires high water permeability

effective rejection of salt and ideal mechanical strength in order to achieve an excellent energy production. This paper explains the basic requirements of PRO membranes and summaries the development of the widely-used asymmetric membranes from the aspects of active layer

support layer and pre-treatment

showing the effects of membrane material

preparation and pre-treatment on the membrane performance. Meanwhile

the paper induces the research status of symmetric and quasi-symmetric membranes

which could significantly mitigate internal concentration polarization (ICP) and become a research focus in the future.

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