Chemistry: electrical and wave energy – Processes and products
Patent
1989-07-20
1990-08-14
Niebling, John F.
Chemistry: electrical and wave energy
Processes and products
204 97, 204105R, 204234, 204237, 204252, 204263, 21050037, 210638, 423 54, C25B 100
Patent
active
049484761
ABSTRACT:
There are disclosed method and apparatus for recovering chromium from chromium-containing wastes, using an electrolytic oxidation cell divided by an anion exchange membrane and a coupled transport module containing a membrane containing a chromium(VI) complexing agent.
REFERENCES:
patent: 4144145 (1979-03-01), Watanabe et al.
patent: 4437994 (1984-03-01), Baker
Friesen Dwayne T.
Kamperman David R.
Bend Research Inc.
Niebling John F.
Ryser David G.
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