Liquid purification or separation – With precoat adding or applying means
Patent
1978-06-15
1980-04-01
Adee, John
Liquid purification or separation
With precoat adding or applying means
210387, B01D 2902
Patent
active
041960831
ABSTRACT:
A continuous plating bath treatment system directs contaminated plating solution through a specially prepared filter medium and returns the filtered solution to service. The filter medium is a calendered polyester material provided in continuous roll form and is automatically replaced at regular intervals. As a new filter medium segment is drawn into position, a layer of carbon is deposited thereon to provide a chemical filtering element, thus providing chemical and mechanical filtration. Carbon is supplied from a supply hopper by vibrators; adjusting the rate at which vibration occurs conveniently allows adjustment of the volumetric flow of carbon. A support platform is included to hold the filter medium in a substantially horizontal orientation to receive the additional filter material. A reel mechanism collects spent segments of filter medium for ease of disposal or possible recycling.
REFERENCES:
patent: 2738880 (1956-03-01), Whitney
patent: 3403784 (1968-10-01), Blumberg
patent: 3864266 (1975-02-01), Dietrick
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