Mineral oils: processes and products – Chemical conversion of hydrocarbons – Reforming
Patent
1974-10-02
1976-08-10
Levine, Herbert
Mineral oils: processes and products
Chemical conversion of hydrocarbons
Reforming
23253A, 208DIG1, C10G 3504
Patent
active
039740641
ABSTRACT:
A system for controlling the hydrogen/hydrocarbon mole ratio in a continuous hydrocarbon conversion process wherein the hydrocarbonaceous feed stock is catalytically reacted in a hydrogen atmosphere. Applicable to both hydrogen-consuming and hydrogen-producing processes, in which the reaction zone effluent is separated to provide a liquid product phase and a hydrogen-rich vaporous phase, a portion of the latter being recycled to the catalytic reaction zone, the control system affords improved overall operation of the particular process in addition to increased catalyst activity and stability. Analyzers are utilized to monitor composition characteristics of the charge stock and liquid product, and the hydrogen concentration of the vaporous phase recycled to the reaction zone. Representative output signals are transmitted to comparator/computer means which compares the rate of change and actual values of the composition characteristics and the hydrogen concentration, and generates additional output signals which are utilized within the control system for regulating the hydrogen/hydrocarbon mole ratio of the combined charge to the reaction zone.
REFERENCES:
patent: 3000812 (1961-09-01), Boyd
patent: 3649202 (1972-03-01), Bajek et al.
patent: 3733476 (1973-05-01), Hopkins et al.
Bajek Walter A.
McLaughlin James H.
Erickson Robert W.
Hoatson Jr. James R.
Levine Herbert
Page II William H.
Universal Oil Products Company
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