Novel cleaning process using carbon dioxide as a solvent and...

Details Novel cleaning process using carbon dioxide as a solvent and... Novel cleaning process using carbon dioxide as a solvent and...

B - Operations, Transporting

08

B

B08B 3/08 (2006.01)

Patent

CA 2236529

The separation of a contaminant from a substrate that carries the contaminant is diclosed. The process comprises contacting the substrate to a carbon dioxide fluid containing an amphiphilic species wherein the contaminant associates with the amphiphilic species and becomes entrained in the carbon dioxide fluid. The substrate is then separated from the carbon dioxide fluid, and then the contaminant is separated from the carbon dioxide fluid.

On décrit la séparation d'un contaminant à partir d'un substrat portant ce contaminant. Ce procédé consiste à mettre le substrat au contact de dioxyde de carbone fluide renfermant une espèce amphiphile de sorte que le contaminant s'associe à l'espèce amphiphile et est entraîné par le dioxyde de carbone fluide, puis à séparer le substrat du dioxyde de carbone fluide, et à séparer le contaminant du dioxyde de carbone fluide.

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