Liquid purification or separation – Flow – fluid pressure or material level – responsive – Discharge of treated material
Patent
1991-11-13
1993-12-14
Lithgow, Thomas M.
Liquid purification or separation
Flow, fluid pressure or material level, responsive
Discharge of treated material
210111, 210121, 210244, 2104161, 210295, 210335, 210339, 210454, 210474, 210475, 210147, B01D 35027, B01D 2956
Patent
active
052699129
ABSTRACT:
A recovery system for precious metal particles in wash solutions includes a pair of filter elements and a pump mounted within a closed tank. The first filter is of relatively large pore size, and traps layer particles. The prefiltered liquid is collected within the tank. A pump is mounted within the tank, and drives the collected liquid and remaining particles through the second filter, which is of a small pore size chosen to trap the remaining particles. After passage through the second filter the wash water may be discarded.
REFERENCES:
patent: 1611739 (1926-12-01), Hadfield
patent: 1785480 (1930-12-01), Durdin
patent: 2563862 (1951-08-01), Nechine
patent: 2865511 (1958-12-01), Hopkins
patent: 3015279 (1962-01-01), Nechine
patent: 3447685 (1969-06-01), Bircher
patent: 3455457 (1969-07-01), Popelar
patent: 3616917 (1971-11-01), Hellwege
patent: 4066551 (1978-01-01), Stern
patent: 4261738 (1981-04-01), Valentine
patent: 4326952 (1982-04-01), Blake
patent: 4517082 (1985-05-01), Prudhomme
patent: 4612093 (1986-09-01), Shor
patent: 4676900 (1987-06-01), Masihy
patent: 4701259 (1987-10-01), Rosaen
patent: 4816148 (1989-03-01), Hemman
patent: 4838907 (1989-06-01), Perry
patent: 4959144 (1990-09-01), Bernard
patent: 5006264 (1991-04-01), Acuna
patent: 5034123 (1991-07-01), Tanaka
patent: 5035811 (1991-07-01), Grondin
patent: 5100540 (1992-03-01), Ramirez
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