Method and apparatus for solid-liquid extraction steps

Details Method and apparatus for solid-liquid extraction steps Method and apparatus for solid-liquid extraction steps

1981-07-06

1983-06-07

Lander, Ferris H.

Food or edible material: processes, compositions, and products

Processes

Extraction utilizing liquid as extracting medium

210634, 422261, A23L 136

Patent

active

043871100

ABSTRACT:
For extracting undesirable components from vegetable tissues, more particularly from oil-bearing seeds having been stripped of the predominant fraction of their fatty components, a method is disclosed in which a number of serially arranged vessels equipped with stirring means is used in such a way that the materials to be treated are initially contacted by partially exhausted solvent and progressively with cleaner and cleaner solvent so that, when the solid materials are almost completely exhausted, they are washed with fresh solvent. The vessels are changed in rotational sequence, so that the system is continuous as regards the solvent and is discontinuous with respect to the solids.

REFERENCES:
patent: 3365065 (1968-01-01), Varjabedian
patent: 3902962 (1975-09-01), Reinhall
patent: 4003837 (1977-01-01), Osborne
patent: 4084007 (1978-04-01), Hipp et al.
patent: 4100016 (1978-07-01), Diebold et al.
patent: 4122104 (1978-10-01), Witte
patent: 4148928 (1979-04-01), Sodini et al.

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