A environmentally friendly process for boric acid and sodium hydroxide production from borax; bipolar membrane electrodialysis

被引：3

作者：

Erkmen, Julide ^{[1
]}

Yapici, Sinan ^{[2
]}

机构：

[1] Kafkas Univ, Dept Chem Engn, Fac Engn & Architecture, TR-36300 Kars, Turkey

[2] Ataturk Univ, Dept Chem Engn, Fac Engn, TR-25240 Erzurum, Turkey

来源：

DESALINATION AND WATER TREATMENT | 2016年 / 57卷 / 43期

关键词：

Borax; Boric acid; Sodium hydroxide; Electrodialysis; Bipolar membrane; DISSOLUTION KINETICS; ORGANIC-ACIDS; COLEMANITE; WATER; CONVERSION;

D O I：

10.1080/19443994.2015.1107509

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

In this study, the production of boric acid from borax was carried out by electrodialysis with bipolar membranes. The current efficiencies for boric acid and sodium hydroxide production by bipolar membrane electrodialysis were determined to be between 93.13 and 99.53%. In addition, the products with purity up to 99.52% (in weight) H3BO3 and 99.12% (in weight) NaOH were obtained. This method gives a facility of producing of sodium hydroxide and boric acid without any harmful waste material and offers an alternative process to commercial production methods for boric acid and sodium hydroxide.

引用

页码：20261 / 20269

页数：9

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