Mass transfer extraction of liquids from solids

Details Mass transfer extraction of liquids from solids Mass transfer extraction of liquids from solids

1987-02-25

1988-05-17

Warren, Charles F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260412, 2604124, 203 49, 426601, C11B 106, C11B 110

Patent

active

047449268

ABSTRACT:
An extraction process comprises contacting a material to be extracted with an extracting fluid at elevated pressure within a defined space, and separating the extracting fluid and extract, as a mass, from the extracted material while reducing the volume of the defined space and while maintaining the elevated pressure within the defined space. Apparatus for carrying out the process is adapted to separate the extracting fluid and the extract, as a mass, from the extracted material, while maintaining elevated pressure and reducing the volume at the point of separation.

REFERENCES:
patent: 4466923 (1984-08-01), Friedrich
Gaehrs et al, Chemical Abstract 100: 105629y, Chem. Tech. (Heidelberg), 1983, (11), pp. 19-21.

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