Desalination of a thermal power plant wastewater by membrane capacitive deionization

被引：426

作者：

Lee, Jae-Bong

Park, Kwang-Kyu

Eum, Hee-Moon

Lee, Chi-Woo ^{[1
]}

机构：

[1] Korea Univ, Dept Adv Mat Chem, Joachiwon 339700, South Korea

[2] Korea Elect Power Res Inst, Environm Struct Res Lab, Taejon 305380, South Korea

来源：

DESALINATION | 2006年 / 196卷 / 1-3期

关键词：

capacitive deionization; desalination;

D O I：

10.1016/j.desal.2006.01.011

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

A membrane capacitive deionization (MCDI) system, the one that ion-exchange membranes were added onto a capacitive deionization (CDI) system, has been developed to test desalination performance for power plant wastewater. Several experiments were conducted to compare the MCDI with the CDI in desalination capacity and to determine optimal operation conditions using 1,000 ppm NaCl solution. Salt removal rate of the MCD1 system was 19% higher than that of the CDI system. The flow rate and the direct current voltage at which the salt removal rate was the highest were 40 ml/min and 1.2 V, respectively. Desalination performance for the power plant wastewater was investigated at the given operation conditions. The maximum salt removal rate and electric energy consumption were about 92% and 1.96 Wh/L, respectively. It was concluded from this study that the MCDI system could successfully be applied for the reuse of power plant wastewater.

引用

页码：125 / 134

页数：10

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