Electromagnetic treatment of contaminated materials

B - Operations – Transporting – 09 – C

Patent

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B09C 1/06 (2006.01) C01G 1/00 (2006.01) E21B 21/06 (2006.01)

Patent

CA 2669497

A method for separating a hydrocarbon content from a hydrocarbon contaminated matrix is disclosed. The method comprises controlling a water content of a feed material comprising the hydrocarbon contaminated matrix; continuously conveying the feed material into a treatment cavity (3), exposing the feed material in a treatment area (8) of the treatment cavity to microwave radiation arranged to cause rapid heating of at least a portion of the water content to form steam, wherein the rapid steam formation results in thermal desorption of at least a portion of the hydrocarbon content from the matrix; and continuously removing the treated matrix from the treatment cavity.

L'invention concerne un procédé pour séparer la teneur en hydrocarbures d'une matrice contaminée par des hydrocarbures. Le procédé comprend les opérations consistant à contrôler la teneur en eau d'une matière d'alimentation comportant la matrice contaminée par les hydrocarbures; à transporter en continu la matière d'alimentation dans une cavité de traitement; à exposer la matière d'alimentation dans une zone de traitement de la cavité de traitement à un rayonnement micro-ondes agencé pour provoquer le chauffage rapide d'au moins une partie de la teneur en eau afin de former de la vapeur d'eau, la formation rapide de vapeur d'eau conduisant à une désorption thermique d'au moins une partie de la teneur en hydrocarbures de la matrice; et à retirer en continu la matrice traitée à partir de la cavité de traitement.

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