Method and apparatus for gas phase polymerization of olefins in

Details Method and apparatus for gas phase polymerization of olefins in Method and apparatus for gas phase polymerization of olefins in

1991-02-22

1992-09-01

Kummert, Lynn M.

Chemical apparatus and process disinfecting, deodorizing, preser

Elements or adjuncts

Bed support means

34 57A, 2611141, 422134, 422143, 422145, B01J 400

Patent

active

051437058

ABSTRACT:
A method and apparatus are disclosed for producing polyolefins by a fluidized gas phase polymerization process utilizing two stacked, substantially vertically aligned, reactors and a substantially vertical product transfer line for transfer of intermediate polyolefin polymer product from the polymerization zone of the upper reactor to the polymerization zone of the lower reactor. This abstract shall not be construed to define or limit in any way the scope of the invention, which is measured solely by the appended claims.

REFERENCES:
patent: 4062656 (1977-12-01), Blaser et al.
patent: 4135889 (1979-01-01), Mori
patent: 4409101 (1983-10-01), Salikhov

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