Method for feeding a mud-like catalyst into a polymerization rea

Details Method for feeding a mud-like catalyst into a polymerization rea Method for feeding a mud-like catalyst into a polymerization rea

1991-05-17

1993-03-23

Kashnikow, Andres

Dispensing

Processes of dispensing

137597, 222 53, 222636, G01F 1100

Patent

active

051956543

ABSTRACT:
The invention relates to a method and device for feeding a mud-like catalyst mixture into a polymerization reactor. The catalyst mixture is fed from a container into a batching space of a feeder connected thereto, from which channel the catalyst mixture is further fed by batches into the polymerization reactor by the use of the pressure of a medium fed into the feeder. In accordance with the invention, after each catalyst batch fed into the polymerization reactor, the medium is substantially removed from the batching space of the feeder by leading the medium via an outlet channel into a space between two on/off valves before filling the batching space with a new catalyst batch.

REFERENCES:
patent: 3227312 (1966-01-01), Solvik et al.
patent: 3891121 (1975-06-01), Stoneburner
patent: 4828145 (1989-05-01), Raufast
patent: 5020689 (1991-06-01), Eitner, Jr. et al.

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