Gaseous phase fluidized-bed reactor

Details Gaseous phase fluidized-bed reactor Gaseous phase fluidized-bed reactor

1999-05-04

2009-10-13

Neckel, Alexa D. (Department: 1795)

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Fluidized bed

C422S143000, C422S145000, C422S146000, C422S198000, C422S234000, C422S235000

Reexamination Certificate

active

07601303

ABSTRACT:
Gas-phase fluidized-bed reactor for polymerizing ethylenically unsaturated monomers, comprising a reactor chamber (1) in the form of a vertical tube, if desired a calming zone (2) following the upper section of the reactor chamber, a circulation gas line (3), a circulation gas compressor (4) and a cooling device (5), where, in the region of transition of the reaction gas from the circulation gas line into the reactor chamber and in the lower section of the reactor chamber itself, there is either no gas distributor plate at all or only a gas distributor plate the total surface area of whose gas orifices is more than 20% of the total surface area of said gas distributor plate.

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