Regulation method for regulating the temperature in a reactor ut

Details Regulation method for regulating the temperature in a reactor ut Regulation method for regulating the temperature in a reactor ut

1992-05-29

1993-09-07

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Effecting a change in a polymerization process in response...

526 67, 526 68, 422138, 422235, C08F 202

Patent

active

052429997

ABSTRACT:
The invention relates to a regulation method for regulating the temperature in a reactor utilized in the polymerization of olefines. A circulating gas is led to the reactor along a circulating gas flow line, and the circulating gas is cooled by leading part of the circulating gas flowing along a circulating gas flow line along a by-pass flow line through a cooler. A regulating device for the circulating gas inlet-flow temperature controls the amount of the circulating gas by-pass flow along a circulating gas by-pass flow line through the cooler such that the sum of the openings of a valve in the circulating gas flow line and a valve in the circulating gas by-pass flow line is maintained substantially constant in the range from about 90 to about 120%.

REFERENCES:
patent: 4249907 (1981-02-01), Callejas
patent: 4742131 (1988-05-01), Asanuma et al.

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