Process for regenerating electrolytes
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United States of America Patent
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Apr 12, 1988
Grant Date -
N/A
app pub date -
Dec 2, 1986
filing date -
Dec 4, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention refers to a process for regenerating electrolytes containing sodium nitrate for use in the electrochemical working of metallic workpieces within the pH range from 4 to 12. Iron (III) nitrate is added to the electrolyte in the working cycle in such an amount that the hydrolysates are predominantly precipitated in coarse flocculent form. Flocculents may be added to the electrolyte.
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