Method of and appliance for material separation

Details Method of and appliance for material separation Method of and appliance for material separation

2005-04-05

2005-04-05

Popovics, Robert James (Department: 1724)

Liquid purification or separation

Gravitational separator

C210S511000, C210S772000

Reexamination Certificate

active

06874644

ABSTRACT:
The invention relates to a method of material separation, in which a material, which comprises at least a first material component and a second material component, is introduced, together with a washing fluid, into a container with at least one sedimentation chamber and is subjected to a gravitational field, under influence of the gravitational field in the sedimentation chamber, the first material component is enriched in a sedimentation zone, which is bounded by a base, and the material with the enriched first material component is evacuated from the sedimentation zone via an opening in the base, the material with the enriched first material component being evacuated as a sediment film through the opening in the base, washing fluid flowing transversely onto the sediment film and the washing fluid flowing through the sediment film and, in the process, an at least partial displacement of the remaining second material component taking place from the sediment film. The invention further relates to an appliance, in particular for carrying out the method.

REFERENCES:
patent: 4290998 (1981-09-01), Dick et al.
patent: 4590038 (1986-05-01), Schreiber et al.
patent: 5106556 (1992-04-01), Binkley et al.
patent: 5328592 (1994-07-01), Hedrick
Derwent Abstract of published Japanese appln. JP53016369 A, ((MITB)Mitsui ENG & Shipbuilding CO), XP-002142096 (Feb. 15, 1978).

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