Process for removing asphaltenic particles

C - Chemistry – Metallurgy – 10 – G

Patent

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C10G 31/09 (2006.01) B01D 29/23 (2006.01) B01D 33/50 (2006.01)

Patent

CA 2747334

Process for removing asphaltenic particles from a hydrocarbon feed containing asphaltenic particles by treating the feed in a filter unit comprising a perforated tube surrounded by hollow longitudinal projections comprising a filter having openings of at most 50 micrometer diameter in which the internal space of each of the hollow projections is in fluid communication with the inside of the perforated tube and which filter is regularly subjected to cleaning by treating each of the projections with cleaning fluid wherein the flow of cleaning fluid is opposite to the direction of normal flow.

L'invention porte sur un procédé pour l'élimination de particules asphalténiques à partir d'une charge de type hydrocarbure contenant des particules asphalténiques par traitement de la charge dans une unité de filtration comprenant un tube perforé entouré par des parties saillantes longitudinales creuses comprenant un filtre ayant des ouvertures de 50 micromètres de diamètre au maximum, l'espace interne de chacune des parties saillantes creuses étant en communication de fluide avec l'intérieur du tube perforé et lequel filtre étant régulièrement soumis à un nettoyage par traitement de chacune des parties saillantes avec un fluide de nettoyage, l'écoulement du fluide de nettoyage étant opposé au sens de l'écoulement normal.

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