Filtering process

Details Filtering process Filtering process

C - Chemistry, Metallurgy

10

G

204/99.05

C10G 32/02 (2006.01) B01D 35/06 (2006.01) B03C 5/02 (2006.01) C10G 31/09 (2006.01)

Patent

CA 1066660

FILTERING PROCESS ABSTRACT A process for separating finely divided, electrically conductive materials from hot liquid hydrocarbon feed stock for a fixed bed catalytic process such as hydrodesulfurization of gas oils or heavier petroleum fractions or hydrocracking. The feed stock is made to flow longitudinally between electrodes and through a bed of spherical glass particles. A voltage gradient of 5 to 25 kv per inch is applied to the electrodes. Periodically the filter is cleaned by backflushing with filtered product. The backflush liquid and entrained solids are delivered into a fluid- ized unit to dispose of the solids removed in the backflush liquid. In a specific embodiment, the backflush liquid and entrained solids are delivered into a fluidized catalytic cracking unit.

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