FACTORS INFLUENCING SDI VALUE OF EFFLUENT WATER PRETREATED BY ULTRAFILTRATION OF SWRO

LIU Yan-wei1; ZHANG Fang2; HE Hui-yong1; LIANG Zhi-jian1 LIU Yong11.Thermal Power Research Institute; Xi'an 710032

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FACTORS INFLUENCING SDI VALUE OF EFFLUENT WATER PRETREATED BY ULTRAFILTRATION OF SWRO

Thermal Power Generation Vol. 38, Issue 9, Pages: 70-72(2009)

更新时间：2025-09-28

- FACTORS INFLUENCING SDI VALUE OF EFFLUENT WATER PRETREATED BY ULTRAFILTRATION OF SWRO
- 作者机构：
  
  1. 西安热工研究院有限公司
  2. 华中科技大学文华学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： P747
- Published：2009
- 稿件说明：
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LIU Yan-wei1, ZHANG Fang2, HE Hui-yong1, et al. FACTORS INFLUENCING SDI VALUE OF EFFLUENT WATER PRETREATED BY ULTRAFILTRATION OF SWRO[J]. Thermal Power Generation, 2009, 38(9): 70-72.
DOI：

LIU Yan-wei1, ZHANG Fang2, HE Hui-yong1, et al. FACTORS INFLUENCING SDI VALUE OF EFFLUENT WATER PRETREATED BY ULTRAFILTRATION OF SWRO[J]. Thermal Power Generation, 2009, 38(9): 70-72. DOI：

摘要

采用两种材质的超滤膜对高浊度海水进行处理

并通过中试研究了超滤装置出水污染指数(SDI)值的影响因素。结果表明

进水混凝剂浓度、次氯酸钠浓度对超滤装置出水SDI值有较大影响;另外

进水pH值、进水温度、超滤膜材质和水中有机物等对超滤装置出水SDI值也有一定的影响。

Abstract

Experiment of pretreating high turbidity seawater with two ultrafiltration membranes was conducted to investigate the factors influencing SDI value of effluent water from ultrafiltration device of SWRO.The experimental results show that the permeability of ultrafiltration is stable

and SDI value can meet the need of SWRO

but different factors change the SDI value.Coagulant and sodium hypochlorite concentrations of influent water significantly affect SDI value of effluent water.While pH

temperature and dissolved organic compounds of influent water as well as membrane materials have sligWT influence on the SDI value.

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