Method of recovering volatile organic matters

Details Method of recovering volatile organic matters Method of recovering volatile organic matters

1981-02-25

1985-07-09

Spitzer, Robert

Gas separation

Means within gas stream for conducting concentrate to collector

55 45, 55 48, 55 85, 55 89, B01D 4702, B01D 5314

Patent

active

045280010

ABSTRACT:
A method of recovering volatile organic matter such as fuels and organic solvents from a gas or gas mixture containing the organic matter, characterized by subjecting a gas or gas mixture, having diffused thereinto sparingly water-soluble or water-insoluble volatile organic matter in the form of vapor, mist and/or small droplets, to a two-step capturing treatment wherein the gas or gas mixture is first brought into gas-liquid contact with an aqueous capturing system capable of dissolving the volatile organic matter thereby capturing the organic matter in the form dissolved in the aqueous system and then the organic matter-containing aqueous system is brought into liquid-liquid contact with a non-volatile organic liquid, immiscible with the aqueous system such that the organic matter migrates from the aqueous system into the organic liquid, and thereafter recycling the aqueous capturing system to the first step of the two-step capturing treatment, while recovering the volatile organic matters from the non-volatile organic liquid according to a method known. The aqueous capturing system and the non-volatile organic liquid are chosen such that the organic liquid has a higher distribution ratio of the organic matter than the aqueous capturing system. The method attains recovery of resources from a gas or gas mixture simultaneously with the prevention of air-pollution.

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