Chemistry: electrical and wave energy – Processes and products
Patent
1975-03-21
1976-03-02
Andrews, R. L.
Chemistry: electrical and wave energy
Processes and products
204128, 423195, 423199, 423551, C25B 116, C25B 126, C01D 504
Patent
active
039416674
ABSTRACT:
A method for the reprocessing of cell liquor from diaphragm cell electrolysis plants that operate on potassium chloride brine. The cell liquor is contacted with an SO.sub.2 -bearing gas, and the effluent solution is oxidized with an oxygen-bearing gas, then a definite quantity of KCl is added to said oxidized solution, and this solution is subjected to a filtration and precipitation step, and finally it is then recycled as make-up brine to the electrolysis cell plant.
REFERENCES:
patent: 3533748 (1970-10-01), Finfer et al.
patent: 3873672 (1975-03-01), Nishiba et al.
Schibilla Eduard
Strewe Wolfgang
Von Semel Georg
Andrews R. L.
Fraser Malcolm W.
Friedrich Uhde GmbH
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