Electrolysis: processes – compositions used therein – and methods – Electrolytic material treatment – Metal or metal alloy
Patent
1997-08-28
1999-10-19
Tung, T.
Electrolysis: processes, compositions used therein, and methods
Electrolytic material treatment
Metal or metal alloy
2041961, 20419621, 20419623, 20419624, 20419625, 20419636, 205732, 205733, 205734, C23F 1300
Patent
active
059683392
ABSTRACT:
The present invention resides in a method for cathodic protection of and/or chloride removal from a reinforced concrete structure. The method comprises the steps of: providing an anode comprising a conductive corrodible metal; providing a corrosive environment for said anode; electrically connecting the anode and the reinforcement of the concrete structure; distributing the current flow from the anode across a surface of the concrete structure; and positioning a humectant at said surface in an effective amount to increase the current flow from the anode. The present invention can also be used to migrate lithium into concrete, thus mitigating alkali-aggregate deterioration.
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