Hydrogen conservation in hydrogen recycle hydroconversion proces

Details Hydrogen conservation in hydrogen recycle hydroconversion proces Hydrogen conservation in hydrogen recycle hydroconversion proces

1984-06-28

1985-08-20

Gantz, D. E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

With subsequent treatment of products

208DIG1, 208108, 208143, 208213, 585250, 585483, C10G 4736, C10G 4572

Patent

active

045362769

ABSTRACT:
There is disclosed a system for measuring and controlling the concentration of hydrogen in hydrogen recycle processes used in oil refineries and petrochemical plants. The system is intended to permit reduction in hydrogen use in hydrogen-consuming hydrogen recycle processes. The system is dependent on the recognition that a decrease in cooling medium temperature results in an increase in vent gas flow, which can be decreased to the minimum permissible without endangering catalyst activity and stability and product yield if hydrogen concentration is monitored, and that partial pressure is the key parameter.

REFERENCES:
patent: 3653842 (1972-04-01), Putman
patent: 3656911 (1972-04-01), Hobbs
patent: 3974064 (1976-08-01), Bajek et al.
patent: 3979183 (1976-09-01), Scott
patent: 3981793 (1976-09-01), Christie et al.

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