Extractor

Details Extractor Extractor

1985-05-06

1988-06-14

Marcus, Michael S.

Chemical apparatus and process disinfecting, deodorizing, preser

Physical type apparatus

Means separating or dissolving a material constituent

201 32, 202118, 198606, 198607, 209173, B01D 1102

Patent

active

047510609

ABSTRACT:
The present invention is an improved extractor (10) for removing a liquid from a solid carrier medium in which the liquid is entrained. The extraction process is accomplished by utilizing both percolation and immersion removal methods. The extractor (10) includes a plurality of pools (12, 12') through which the solid entraining the liquid therein is moved in a direction counter-flow to that in which a solvent passes through the extractor (10). Percolation removal is effected at the overflow (48, 48') of each pool (12, 12') as solvent washes through the solids being processed. Immersion is effected at the lower end of a sloped floor (22, 22') of each pool (12, 12') where the solids are soaked in the solvent. A final percolation bath (14) can be provided as a last stage of the extractor (10).

REFERENCES:
patent: 448895 (1891-03-01), Kannel
patent: 1561043 (1925-11-01), Zuckerman
patent: 1705544 (1929-03-01), Schmidt
patent: 2227605 (1941-01-01), Swallen et al.
patent: 3565587 (1971-02-01), Graf, Jr.

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