METHOD OF PURIFICATION OF SODIUM SULFATE Russian patent published in 1997 - IPC

Abstract RU 2075544 C1

FIELD: technology of purification of sodium sulfate from chromium. SUBSTANCE: method of purification of sodium sulfate is effected by precipitation of chromium by electrocoagulation with the help of bioelectrode cell and alternating current. Bioelectrode cell is made of four successively alternating iron and aluminum electrodes, with current supplied to two extreme electrodes. EFFECT: provision of purification of sodium sulfate to chromium content of 0.0008%. 2 cl, 1 tbl

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RU 2 075 544 C1

Authors

Khalemskij A.M.

Shmidt A.N.

Pakhomov B.A.

Pajusov S.A.

Dates

1997-03-20—Published

1992-09-29—Filed