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Experimental analysis of sodium chloride / sodium sulfate system by nanofiltration

Authors： Zhang Xiaoya1,2,3, Yuan Hongying1,2,3, Shi Xueli4, Zhang Haisheng,5，Huang Xin1,2,3 , Jing Dawei1

Units： 1.School of Environmental and Municipal Engineering, Tianjin Chengjian University, Tianjin 300384 2. Tianjin Key Laboratory of Aquatic Science and Technology, Tianjin Chengjian University, Tianjin 300384 3.China Joint Research Centre for Protective Infrastructure Technology and Environmental Green Bioprocess 4.Membrane Industry Association of China; 5. Vontron Membrane Technology Co.,LTD, Beijing 100071

KeyWords： NF membrane process; Concentrated brine; Negative desalination; Charge conservation

ClassificationCode：TQ085

year,volume(issue):pagination： 2020,40(5):111-117

Abstract：

Nanofiltration tests of mixed aqueous solutions of sodium chloride and sulfate sodium were carried out by employing two kinds of home-made membrane elements with different properties. By using the error minimization algorithm, the specific values of two kinds of salt separation in the nanofiltration membrane produced water under the condition of charge conservation were obtained. The orthogonal design test was used to analyze the different effects of salt content and temperature of feed water on the effect of salt separation. And the main factors of negative desalination sodium chloride in nanofiltration membrane process were identified.

Funds：

项目来源“滨海工业带高盐难降解废水趋零排放技术研究与示范应用（2017ZX07107-002）”，“钠盐废水用时代沃顿的分质研究（201910792124）”

AuthorIntro：

张小亚（1992-），男，河北邯郸人，硕士研究生，膜工艺技术研究方向通讯作者，E-mail：david_j5996@sina.com

Reference：

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