Process for the electrolytic pickling of high-grade steel strip

Details Process for the electrolytic pickling of high-grade steel strip Process for the electrolytic pickling of high-grade steel strip

1989-09-13

1991-06-11

Tufariello, T. M.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

C25B 106

Patent

active

050229710

ABSTRACT:
In a process for the electrolytic pickling of a high-grade steel strip, in particular a hot strip of high-grade steel, the hot strip of high-grade steel is alternately anodically and cathodically pickled in an aqueous solution of Na.sub.2 SO.sub.4 and subsequently in an aqueous solution of NaNO.sub.3 and NaF, as a result of which the formation of dangerous nitrous gases is prevented.

REFERENCES:
patent: 4851092 (1989-07-01), Maresch

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