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

Erkmen J., Yapici S.

DESALINATION AND WATER TREATMENT, cilt.57, sa.43, ss.20261-20269, 2016 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 57 Sayı: 43
  • Basım Tarihi: 2016
  • Doi Numarası: 10.1080/19443994.2015.1107509
  • Dergi Adı: DESALINATION AND WATER TREATMENT
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.20261-20269
  • İnönü Üniversitesi Adresli: Evet

Özet

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.