Apparatus for separating a mixture of liquids

Liquid purification or separation – Gravitational separator – Material supply distributor


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2105321, 210540, 210DIG5, C02F 140




A separator for a mixture of two liquids of different density. A container holds the mixture, which separates by gravity into a layer of lighter liquid on a layer of heavier liquid in the container. The mixture is supplied through a delivery pipe which extends from above the layer of lighter liquid down into the heavier liquid. Lighter liquid is removed through a line which includes a ball valve to provide a variable weir for controlling flow of lighter liquid from a first outlet. Heavier liquid is removed from a second outlet through an upwardly extending drain pipe connected at its lower end to the second outlet. The upper end of the drain pipe is in the vicinity of the interface between the two layers. A riser pipe disposed around and spaced from the drain pipe has an open upper end disposed above the layer of lighter liquid, and a lower end opening into the heavier liquid. A pile of loose coalescing elements in the container between the delivery pipe and the lower end of the riser pipe causes small oil drops to coalesce into larger drops. At least one outwardly extending flange on the container facilitates mounting the separator in a workspace.

patent: 612791 (1898-10-01), Winkel
patent: 665841 (1901-01-01), Winkel
patent: 762486 (1904-06-01), McClelland
patent: 782665 (1905-02-01), Shaler
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CLC Lubricants Co., Product Information. Publication re: Li'L Tramp Skimmer/Aerator; (known to the public before Jan. 1, 1996).
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Midbrook Products, Inc., Mini-Extractor advertisement; 1993; 1995 (3 pp.).
Master Chemical Corporation, Master Coalescer advertisement; 1992 (2 pp.).


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