Creosote filtration system

Details Creosote filtration system Creosote filtration system

B - Operations, Transporting

01

D

B01D 29/33 (2006.01) B01D 61/14 (2006.01) B01D 65/02 (2006.01) C10C 1/18 (2006.01)

Patent

CA 2075531

A process and apparatus for the filtration of a creosote process stream laden with insoluble materials is provided. The apparatus comprises a filter of a shell-and-tube configuration having filter material within for the separation of the xylene from the insolubles; the apparatus is comprised within a creosote filtration system which further includes a means for periodically backflushing the filtration system to reduce clogging of the filter material. The process and apparatus herein also finds use for filtration of other materials, including tars, pitches, and wastewaters.

Divulgation concernant un procédé et un appareil pour la filtration de la fraction de créosotes, chargée de matières insolubles. L'appareil comprend un filtre de type multitubulaire à calandre, garni d'un milieu filtrant pour séparer le xylène des insolubles; l'appareil fait partie d'un système de filtration des créosotes, comportant aussi un mécanisme pour la purge à reflux du système afin de réduire l'encrassement du milieu filtrant. Le procédé et l'appareil de la présente invention peuvent aussi servir pour la filtration d'autres matières, comme les goudrons, les brais et les eaux usées.

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