Kemestrie Inc.

Aca Mincic

Esteban Chornet

Nicolas Abatzoglou

Jacques Bureau

Provided herein is a granular filtration apparatus for the removal of particulate material from hot gas by contacting said hot gas with granular filtration material. The apparatus being of the type having a filtration chamber containing granular filtration material and having a tapered lower portion comprising at least one inlet tubing for feeding therein hot gases to be filtered and at least one outlet tubing for drawing filtered hot gas. The main feature of the present invention consists in a filtration unit mounted in the filtration chamber above each inlet tubing. The filtration unit comprising a first tubular member mounted above the inlet tubing so as to prevent granular material from entering or blocking said inlet tubing and a second tubular member having a bottom and a top end and being mounted essentially in a co-axial and spaced relationship above the first tubular member. During operation, the granular filtration material is siphoned up and fluidized by the hot gases as they travel up the second tubular member, the granular filtration material enters the bottom end of the second tubular member through the space between the first and second tubular member, exits at the top end of the of the second tubular member and falls outside the second tubular member and towards the tapered lower portion of the filtration chamber to be eventually recirculated and fluidized by the hot gases.

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Ascot, Canada

Aca Mincic