Distillation: processes – separatory – With measuring – testing or inspecting
Patent
1972-08-29
1976-03-02
Yudkoff, Norman
Distillation: processes, separatory
With measuring, testing or inspecting
203 88, 203 95, 202206, 159 44, 159 2R, 260 791, B01D 342
Patent
active
039416640
ABSTRACT:
A method for control of the steam flashing of poly(arylene sulfide) reaction product to remove substantially all of the reaction diluent from a reaction mixture containing poly(arylene sulfide) polymer, organic polar diluent, byproduct alkali metal halide, and reaction mixture impurities is provided by measuring the vapor effluent from the flashing operation, producing a signal representative of this flow, controlling the rate of flow of the effluent from the reactor in response to this signal, and controlling the rate of flow of steam admixed with the reactor effluent in ratio to the effluent flow.
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Phillips Petroleum Company
Sever Frank
Yudkoff Norman
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