Article | REF: J4950 V1

Industrial applications of supercritical fluids and implementation equipments

Author: Michel PERRUT

Publication date: November 10, 2010

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2. Supercritical fluid decontamination

CO 2 can also be used as a decontamination agent due to its highly specific properties, and particularly its biological properties. By decontamination, we mean the elimination of certain components or micro-organisms potentially dangerous to humans.

2.1 Disposal of potentially hazardous components

Supercritical CO 2 is used to selectively extract pesticides from certain natural products whose active ingredients are polar compounds insoluble in this fluid. Among pesticides, organochlorines are highly soluble in this fluid, organophosphates being much less so. For example, ginseng is processed on an industrial scale to reduce organophosphorus pesticide concentrations to...

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Supercritical fluid decontamination