Gas distribution plate for use with fluidized-bed gas-phase poly

Details Gas distribution plate for use with fluidized-bed gas-phase poly Gas distribution plate for use with fluidized-bed gas-phase poly

1991-05-07

1997-02-04

Edwards, Laura

Chemical apparatus and process disinfecting, deodorizing, preser

Elements or adjuncts

Bed support means

422140, 2611143, B01J 1000

Patent

active

055995136

ABSTRACT:
A gas distribution plate for use with a fluidized-bed gas-phase polymerizer comprising a flat plate and a plurality of cylindrical or frustoconical pieces each having an oblique hole or a spiral groove cut in its surface. Each piece fits into a hole in the flat plate.

REFERENCES:
patent: 3089251 (1963-05-01), Helbig et al.
patent: 3508341 (1970-04-01), Price
patent: 3672577 (1972-06-01), Kramer
patent: 4286393 (1981-09-01), Schulz et al.
patent: 4475467 (1984-10-01), Korenberg
patent: 4521378 (1985-06-01), Ichimura et al.
patent: 4759884 (1988-07-01), Michimae et al.
patent: 5014632 (1991-05-01), Isaksson

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