Removal of chlorides from concrete

Details Removal of chlorides from concrete Removal of chlorides from concrete

1987-09-25

1989-05-23

Tung, T.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204 94, 204128, 204147, 204294, C25B 126

Patent

active

048328030

ABSTRACT:
A method for removal of chlorides from reinforced concrete, where an electrical voltage is applied between the reinforcement of the concrete and an electrolytic medium on the concrete surface. The electrolytic medium is a type that can absorb chlorides, such as retarded gunite. The medium is applied to the concrete surface after an electrode element is attached to the surface of the reinforced concrete.

REFERENCES:
patent: 4470892 (1984-09-01), Gupta et al.
patent: 4692066 (1987-09-01), Clear
J. E. Slater, "Eletrochemical Removal of Chlorides from Concrete Bridge Decks", Materials Performance, Nov. 1976, pp. 21-26.
ENR, Reprint from Engineering News-Record of Jul. 11, 1985, 1 page.
Ferex 100, Raychem Brochure, Feb., 1984, 2 pages.

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