Mineral accretion of large surface structures, building componen

Chemistry: electrical and wave energy – Processes and products

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204 23, 204 56R, C25B 100, C25D 908

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active

042460751

ABSTRACT:
By establishing a direct electrical current between electrodes in an electrolyte like seawater, calcium carbonates, magnesium hydroxides, and hydrogen are precipitated at the cathode, while at the anode, oxygen and chlorine are produced. The electrodeposition of minerals is utilized to construct large surface area (i.e. greater than 100 square feet) structures, building components and elements of a hard, strong material (i.e. 1000-8000 P.S.I. compression strength). To make a large surface area structure, building component or element of hard, strong material, a preshaped form of electrically conductive material is disposed in a volume of electrolyte, such as seawater, to serve as a cathode, one or more are anodes disposed in proximity to the form, and a direct electrical current is established between the electrodes for a period of time sufficient to accrete a solid covering of material on the form.

REFERENCES:
patent: 2200469 (1940-05-01), Cox
patent: 2687993 (1954-08-01), Cox
Seagrant Report No. 04-6-158-44111, Dec., 1976.
Industrialization Forum 6 (2) pp. 53-56, 1975.

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