Apparatus for hot-gas desulfurization of fuel gases

Details Apparatus for hot-gas desulfurization of fuel gases Apparatus for hot-gas desulfurization of fuel gases

1990-07-31

1992-07-14

Housel, James C.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Fluidized bed

422144, 422192, 422177, 423244, B01J 1900, F27B 1500

Patent

active

051300974

ABSTRACT:
An apparatus for removing sulfur values from a hot fuel gas stream in a fdized bed contactor containing particulate sorbent material by employing a riser tube regeneration arrangement. Sulfur-laden sorbent is continuously removed from the fluidized bed through a stand pipe to the riser tube and is rapidly regenerated in the riser tube during transport of the sorbent therethrough by employing an oxygen-containing sorbent regenerating gas stream. The riser tube extends from a location below the fluidized bed to an elevation above the fluidized bed where a gas-solid separating mechanism is utilized to separate the regenerated particulate sorbent from the regeneration gases and reaction gases so that the regenerated sorbent can be returned to the fluidized bed for reuse.

REFERENCES:
patent: 4198388 (1980-04-01), Laslo et al.
patent: 4255166 (1981-03-01), Gernand et al.
patent: 4321240 (1982-03-01), Robinson
patent: 4600561 (1986-07-01), Frei
patent: 4609537 (1986-09-01), Tolpin et al.
patent: 4831204 (1989-05-01), Kushnerick et al.

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