Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge
Patent
1976-04-01
1977-03-15
Tufariello, T. M.
Chemistry: electrical and wave energy
Processes and products
Electrostatic field or electrical discharge
204145R, C25F 104, C25F 106
Patent
active
040122999
ABSTRACT:
A process for descaling a metallic body, wherein the body is immersed in a first electrolyte, and subsequently, in a second electrolyte. The first electrolyte is an aqueous solution having, by weight, at least 60% potassium hydroxide, at least 5% water and no more than 30% potassium nitrate, and a total amount of potassium hydroxide and potassium nitrate of at least 80%. The second electrolyte is an aqueous solution of at least one neutral salt from the group consisting of the chloride, sulfate and nitrate of an alkali metal or ammonium.
REFERENCES:
patent: 3043758 (1962-07-01), Machu
patent: 3254011 (1966-05-01), Zaremski
patent: 3429792 (1969-02-01), Fukui et al.
Krepler Albert
Zaremski Donald R.
Allegheny Ludlum Industries, Inc.
Dropkin Robert F.
Gioia Vincent G.
Ruthner Industrienanlagen Aktiengesellschaft
Tufariello T. M.
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