Energy Consumption and Gypsum Scaling Assessment in a Hybrid Nanofiltration-Reverse Osmosis-Electrodialysis system

被引：31

作者：

Turek, Marian ^{[1
]}

Mitko, Krzysztof ^{[1
]}

Laskowska, Ewa ^{[1
]}

Chorazewska, Marzena ^{[2
]}

Piotrowski, Krzysztof ^{[3
]}

Jakobik-Kolon, Agata ^{[1
]}

Dydo, Piotr ^{[1
]}

机构：

[1] Silesian Tech Univ, Fac Chem, Dept Inorgan Analyt Chem & Electrochem, Ul B Krzywoustego 6, PL-44100 Gliwice, Poland

[2] Korea Fuel Tech Poland Sp Zoo, Ul Przemyslowa 7, PL-44240 Zory, Poland

[3] Silesian Tech Univ, Fac Chem, Dept Chem Engn & Proc Design, Ul M Strzody 7, PL-44100 Gliwice, Poland

来源：

CHEMICAL ENGINEERING & TECHNOLOGY | 2018年 / 41卷 / 02期

关键词：

Desalination plant; Electrodialysis; Nanofiltration; Reverse osmosis; SEAWATER DESALINATION; CHLORALKALI INDUSTRY; CONCENTRATED BRINE; EXERGETIC ANALYSIS; MEMBRANE SYSTEMS; WATER; RECOVERY; SALT; NF; PRETREATMENT;

D O I：

10.1002/ceat.201700371

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Hybrid and integrated membrane systems are often proposed as a way to increase the water recovery in desalination plants. Four different configurations of seawater desalination plants were compared: a standard single-stage seawater reverse osmosis (SWRO), a hybrid SWRO-electrodialysis (ED) system, a nanofiltration (NF)-SWRO system, and an NF-SWRO-ED. Based on the laboratory results, the overall water recovery, energy consumption, scaling risk, and the composition of the generated waste brine were projected. An NF-SWRO-ED system was found as the best choice. The proposed system is able to produce highly concentrated brine, close to saturation with respect to sodium chloride. The brine can be further used in evaporated salt production or in the chlor-alkali industry.

引用

页码：392 / 400

页数：9

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