Self-purging extractor

Details Self-purging extractor Self-purging extractor

1996-05-02

1998-06-23

Drodge, Joseph W.

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210511, 422268, B01D 1100

Patent

active

057700826

ABSTRACT:
An improved longitudinal extractor utilizing a solvent for removing an entrained liquid from a carrier medium. The improved extractor includes a sprocket driven continuous chain-link conveyor mounted both in cooperation with an upper carrier medium chamber and a lower liquid collection chamber. The chain link conveyor has an upper run which moves the carrier medium past sparging solvent nozzles and a lower run which cleans the collection chamber by continuously scraping the bottom of the collection chamber free of sedimentation and hazardous build-up. The carrier medium is supported on a plurality of spaced-apart longitudinal members which allow the miscible fluid resulting from percolation removal to flow therebetween into the collection chamber. A plurality of spaced-apart collectors are arranged along the bottom of the collection chamber to provide for continuous removal of the miscible fluid from the collection chamber.

REFERENCES:
patent: 275989 (1883-04-01), Byerley
patent: 307707 (1884-11-01), Byerley
patent: 2684288 (1954-07-01), De Smet
patent: 2733136 (1956-01-01), Andrews
patent: 3856474 (1974-12-01), Pittman et al.
patent: 4224138 (1980-09-01), Kruyer
patent: 4751060 (1988-06-01), Kratochwill
patent: 4857279 (1989-08-01), Kawamata et al.
Brochure by De Smet Group entitled "Solvent.cndot.Extraction.cndot.Systems" (not dated).
"De.cndot.Smet Extractor Type `L-M`" Specification (not dated).
"De Smet brings you new . . . ", Oil Mill Gazetteer, Dec. 1980.
Brochure "Solvent Extraction" by De Smet Engineering (not dated).

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