Method of removing voc from voc-impregnated material

Details Method of removing voc from voc-impregnated material Method of removing voc from voc-impregnated material

B - Operations, Transporting

01

D

B01D 43/00 (2006.01) F24F 3/14 (2006.01) F24F 3/16 (2006.01)

Patent

CA 2580417

[PROBLEMS] To remove VOCs and odor from a VOC-impregnated material placed in a treatment space safely at low cost without detriment to interior members and installations by carrying out a humidity control. [MEANS FOR SOLVING PROBLEMS] The method comprises the humidification step of humidifying the interior of a treatment space for VOC removal to a high level such that the interior is held unsaturated to thereby cause any VOCs retained by a material through adsorption or impregnation to form hydration complexes with generated water molecules of gaseous phase state, and the second step of reducing the humidity to thereby cause any VOC hydration complexes formed within the VOCs as a result of the humidification step to diffuse from the VOC-impregnated material into the treatment space.

L'invention concerne l'élimination des contaminants organiques volatils (COV) et des odeurs d'un matériau imprégné de COV placé dans un espace de traitement en toute sécurité et à moindre coût sans endommager les éléments et les installations internes par régulation de l'humidité. Le procédé de l'invention consiste à humidifier l'intérieur d'un espace de traitement pour éliminer les COV à un niveau élevé de manière que l'intérieur reste non saturé afin que les COV retenus par le matériau par adsorption ou imprégnation forment des complexes d'hydratation avec les molécules d'eau générées à l'état gazeux, puis à réduire l'humidité afin que les complexes d'hydratation formés dans les COV lors de l'étape d'humidification soient diffusés à partir du matériau imprégné de COV dans l'espace de traitement.

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