Enhanced bitumen flotation

Details Enhanced bitumen flotation Enhanced bitumen flotation

C - Chemistry, Metallurgy

10

C

C10C 3/00 (2006.01) B03D 1/02 (2006.01)

Patent

CA 2577743

A method and apparatus for recovering bitumen as froth from a feed stream having solids, water and bitumen is provided using a separating vessel having mounted thereon a downpipe assembly, the downpipe assembly having at least one downpipe and a nozzle in fluid communication with each downpipe, for aerating a stream of middlings withdrawn from the separating vessel and reintroducing the aerated middlings back to the separating vessel.

L'invention concerne un procédé et appareil de récupération du bitume sous forme d'écume à partir d'un flux d'alimentation comportant des matières solides, de l'eau et du bitume. On prévoit utiliser une cuve de séparation sur laquelle on a monté une tuyauterie de descente formée d'au moins un tuyau de descente et d'une buse en communication fluidique avec chaque conduit pour aérer un flux de mixtes extrait de la cuve de séparation et réintroduire les flux de mixtes aérés dans la cuve de séparation.

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