Supercritical fluid and near critical gas extraction of organic

Details Supercritical fluid and near critical gas extraction of organic Supercritical fluid and near critical gas extraction of organic

1990-07-24

1994-02-22

Bennet, Henry A.

Drying and gas or vapor contact with solids

Apparatus

With means to treat gas or vapor

34 32, F26B 300

Patent

active

052876322

ABSTRACT:
Disclosed is a method of removing residual organic solvents from formed compressed articles such as tablets comprised of subjecting the organic solvent laden compressed article to a supercritical fluid or near critical gas whereby residual solvent is transferred from the solvent laden solid article to the supercritical fluid or near critical gas and separating the residual solvent depleted compressed article from the solvent enriched supercritical fluid or near critical gas.

REFERENCES:
patent: 4326525 (1982-04-01), Swanson et al.
patent: 4731208 (1988-03-01), Nakajima et al.
patent: 4943403 (1990-07-01), Miyashita et al.
patent: 4970235 (1990-11-01), Traitler et al.
Food Technology, Jun. 1986, pp. 66-69.
Val Krukonis, Supercritical Fluid Franctionation-an Alternative to Molecular Distillation Spring 1983.
Reviews in Chemical Engineering, Supercritical Fluid Extraction, vol. 1, No. 2 1983.

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