Chemical apparatus and process disinfecting – deodorizing – preser – Control element responsive to a sensed operating condition – Control element responds proportionally to a variable signal...
Patent
1979-03-02
1980-09-23
Marcus, Michael S.
Chemical apparatus and process disinfecting, deodorizing, preser
Control element responsive to a sensed operating condition
Control element responds proportionally to a variable signal...
23230A, 422115, 422119, 422187, 422190, 422188, 208DIG1, C10G 1700, B01J 802
Patent
active
042242835
ABSTRACT:
In the purification of hydrocarbon streams containing HF by chemical reaction with potassium hydroxide, a small portion of the hydrocarbon stream containing HF is passed through a small test bed of solid KOH; and when excess HF is present in the hydrocarbon stream to be purified, the temperature of the test bed increase significantly and rapidly and the flow of hydrocarbon is discontinued to the main treater responsive to the temperature in the test bed thereby preventing the treater temperature from exceeding a preselected maximum allowable value. In one embodiment, the main hydrocarbon charge is by-passed around the main KOH treater and introduced into the effluent from the treater; and in another embodiment, the hydrocarbon charge is returned to a settling zone following alkylation and prior to separation facilities utilized to process the hydrocarbon phase.
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Marcus Michael S.
Phillips Petroleum Company
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