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Study on the possibility of sodium sulfate converting into sulfuric acid and sodium hydroxide by membrane electrolysis method

Pisarska B., Sieber A., Dylewski R.

Polish Journal of Chemical Technology

2003

Vol. 5, nr 3

42-46

In this article, research results of Na2SO4 solution membrane electrolysis in a cell with anion-exchange membrane are given. The concept of plant for converting Na2SO4 into pure grade H2SO4 and commercial grade sodium hydroxide solution, including an electrolysis loop and catholyte processing loop for concentrating NaOH + Na2SO4 solution and separating its crystals of sodium sulfate is demonstrated.