Dynamic supercritical fluid extraction system

Details Dynamic supercritical fluid extraction system Dynamic supercritical fluid extraction system

1987-07-11

1990-02-06

Nozick, Bernard

Liquid purification or separation

Processes

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

210787, 2101951, 2604124, 422261, 422281, B01D 1100

Patent

active

048986739

ABSTRACT:
Soluble materials are continuously extracted from solids using extracting solvents such as carbon dioxide by circulating a mixture of the solids in carbon dioxide at elevated pressure through a closed loop pipeline. A mixture of extracts dissolved in carbon dioxide is continuously removed from the system and material to be extracted is continually added. Multiple extraction stages are also disclosed.

REFERENCES:
patent: 1535769 (1925-04-01), Gallardo
patent: 3005398 (1961-10-01), Sandler
patent: 4018899 (1977-04-01), Seckler et al.
patent: 4153063 (1979-05-01), Roselius
patent: 4443321 (1984-04-01), Compton

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