<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml">A new concept is presented for purifying potassium brine (KCl solution) obtained from technical-grade potassium chloride. This concept is based on the hydroxide/carbonate method of removing ions of alkaline earth metals and on separating SO42- ions by means of zirconyl anion exchanger. The purification process provides the following products: purified potassium brine suitable for the manufacture of KClO3 or for further purification and subsequent manufacture of KOH, Cl2 and H2 using membrane cell technology, magnesium and potassium containing agricultural lime (chalk) suitable for neutralizing soil acidity and enriching soil with magnesium and potassium, and technical-grade potassium sulphate containing 99.0 to 99.8% K2SO4.</abstract>

A new concept is presented for purifying potassium brine (KCl solution) obtained from technical-grade potassium chloride. This concept is based on the hydroxide/carbonate method of removing ions of alkaline earth metals and on separating SO42- ions by means of zirconyl anion exchanger. The purification process provides the following products: purified potassium brine suitable for the manufacture of KClO3 or for further purification and subsequent manufacture of KOH, Cl2 and H2 using membrane cell technology, magnesium and potassium containing agricultural lime (chalk) suitable for neutralizing soil acidity and enriching soil with magnesium and potassium, and technical-grade potassium sulphate containing 99.0 to 99.8% K2SO4.

Wastefree purification method for potassium brine used in industrial electrochemical processes

Institute of Inorganic Chemistry, ul. Sowińskiego 11, 44-101 Gliwice, Poland

Polish Journal of Chemical Technology

A new concept is presented for purifying potassium brine (KCl solution) obtained from technical-grade potassium chloride. This concept is based on the...

Wastefree purification method for potassium brine used in industrial electrochemical processes

Publié en ligne: 09 juil. 2010

Pages: 4 - 8

DOI: https://doi.org/10.2478/v10026-010-0010-5

Mots clés
potassium brine, purification processes, wastefree processes

This content is open access.

Wastefree purification method for potassium brine used in industrial electrochemical processes

Publié en ligne: 09 juil. 2010

Pages: 4 - 8

DOI: https://doi.org/10.2478/v10026-010-0010-5

Mots cléspotassium brine, purification processes, wastefree processes

This content is open access.

Mots clés
potassium brine, purification processes, wastefree processes