High current density, acid-free electrolytic descaling process
A process for removing an oxide scale from the surface of a metallic body is disclosed comprising the steps of providing an electrolyte consisting of an aqueous solution containing about 15 to 25 weight percent sodium sulfate, maintaining the electrolyte at a temperature of at least 150 DEG F., and...
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| Main Author | |
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| Format | Patent |
| Language | English |
| Published |
14.12.1982
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| Subjects | |
| Online Access | Get full text |
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| Abstract | A process for removing an oxide scale from the surface of a metallic body is disclosed comprising the steps of providing an electrolyte consisting of an aqueous solution containing about 15 to 25 weight percent sodium sulfate, maintaining the electrolyte at a temperature of at least 150 DEG F., and immersing the metallic body into the electrolyte such that the surface to be descaled is exposed to the electrolyte. During immersion, the metallic body is subjected as the anode to the action of a direct electric current for a period of at least 10 seconds at a current density of at least 3 amperes per square inch. |
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| AbstractList | A process for removing an oxide scale from the surface of a metallic body is disclosed comprising the steps of providing an electrolyte consisting of an aqueous solution containing about 15 to 25 weight percent sodium sulfate, maintaining the electrolyte at a temperature of at least 150 DEG F., and immersing the metallic body into the electrolyte such that the surface to be descaled is exposed to the electrolyte. During immersion, the metallic body is subjected as the anode to the action of a direct electric current for a period of at least 10 seconds at a current density of at least 3 amperes per square inch. |
| Author | ZAREMSKI; DONALD R |
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| Notes | Application Number: US19810238896 |
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| PublicationDate | 19821214 |
| PublicationDateYYYYMMDD | 1982-12-14 |
| PublicationDate_xml | – month: 12 year: 1982 text: 19821214 day: 14 |
| PublicationDecade | 1980 |
| PublicationYear | 1982 |
| RelatedCompanies | ALLEGHENY LUDLUM STEEL CORPORATION |
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| Snippet | A process for removing an oxide scale from the surface of a metallic body is disclosed comprising the steps of providing an electrolyte consisting of an... |
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| SubjectTerms | APPARATUS THEREFOR CHEMISTRY ELECTROLYTIC OR ELECTROPHORETIC PROCESSES METALLURGY PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROMOBJECTS |
| Title | High current density, acid-free electrolytic descaling process |
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