Liquid purification or separation – Processes – Separating
Patent
1987-07-24
1989-01-17
Fisher, Richard V.
Liquid purification or separation
Processes
Separating
210800, 210802, 210805, 209454, 209483, 222478, B01D 1702, B01D 2102
Patent
active
047986778
ABSTRACT:
A separator is fed with liquid from a slaughterhouse which will be a mixture of water, tallow, and solids. The tallow rises to the top, and solids go to the bottom. Nearly clean water is withdrawn between the top and bottom. The nearly clean water is withdrawn into a plenum ring which is blocked at one point and has an outlet pipe connected adjacent to the block. Therefore, the liquid in the plenum ring flows in only one direction. The cross section of the plenum ring is many times greater than the cross section of the outlet pipe so that the flow within the plenum ring is gentle. Baffles in the plenum ring divert any tallow which rises to the top of the plenum ring back into the separator. A sump in the plenum ring adjacent to the outlet pipe draws off any solid which settle out in the plenum ring. A constant bleed is provided at the bottom of the sump to help withdraw the settling solids.
REFERENCES:
patent: 2420326 (1947-05-01), O'Donnell
patent: 2708517 (1955-05-01), Evans
patent: 3563389 (1971-02-01), Mizrahi
patent: 3947355 (1976-03-01), Irwin
patent: 4202778 (1980-05-01), Middelbeek
patent: 4213865 (1980-07-01), Wagner
patent: 4219428 (1980-08-01), Soderstom
patent: 4264439 (1981-04-01), Lefevre et al.
patent: 4634526 (1987-01-01), Salkeld et al.
Coffee Wendell
Fisher Richard V.
Lee Coreen Y.
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