Chemistry: electrical and wave energy – Apparatus – Coating – forming or etching by sputtering
Patent
1975-05-27
1976-08-03
Mack, John H.
Chemistry: electrical and wave energy
Apparatus
Coating, forming or etching by sputtering
204180R, B01D 1302, C25B 900
Patent
active
039727998
ABSTRACT:
A generally horizontal container, interposed in a drilling mud conductor, forms an enlarged area passageway for the drilling mud. The container transversely journals a plurality of spaced rotating plate-like discs forming positive electrodes between negative electrodes formed by a plurality of spaced-apart interconnected panels with a peripheral portion of each disc immersed in the drilling mud. Solids in suspension are attracted by and deposited as a layer or film on opposing surfaces of the respective discs. A stationary scraper blade element, adjacent the discs, removes the deposited solids. Pressure operated plungers, disposed on opposing sides of the respective disc, periodically move the collected solids toward a discharge end portion of the scraper blade element for removal.
REFERENCES:
patent: 2219312 (1940-10-01), Hayward et al.
patent: 3236757 (1966-02-01), Litt
patent: 3642605 (1972-02-01), Chenel et al.
Birdsong Dwight C.
Taylor Julian S.
Mack John H.
Prescott A. C.
Rhea Robert K.
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