Utility conservation in hydrogen recycle processes

Details Utility conservation in hydrogen recycle processes Utility conservation in hydrogen recycle processes

1982-05-04

1984-10-16

Marcus, Michael S.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Automatic analytical monitor and control of industrial process

208DIG1, 422111, 422112, 422235, 436 55, 436144, B01J 800, C10G 4736, G01N 3500

Patent

active

044774133

ABSTRACT:
A control system is disclosed for modifying the flow of hydrogen in a hydrocarbonaceous apparatus wherein a charge stock and a vaporous hydrocarbon-hydrogen recycle are charged to a reaction zone to convert the hydrocarbons and produce a reaction zone effluent conduit which is cooled to provide, via a gas-liquid separation zone, a liquid hydrocarbon product stream and the vaporous hydrocarbon-hydrogen recycle stream, the latter being returned to charge stock admixture by a compressor. The control system senses the partial pressure of hydrogen, compares that value to a previously determined value and develops a signal correlative thereto, which is transmitted to a regulater that controls the quantity of vaporous hydrocarbon-hydrogen stream recycled to admixture with the charge stock. In a hydrogen consuming process, the hydrogen partial pressure is sensed downstream of the reactor while in the hydrogen producing process, the hydrogen partial pressure is sensed in the inlet to the reaction zone.

REFERENCES:
patent: 3497449 (1970-02-01), Urban
patent: 3607091 (1971-09-01), Boyd
patent: 3649202 (1972-03-01), Bajek et al.
patent: 3656911 (1972-04-01), Hobbs
patent: 3972804 (1976-08-01), McLaughlin et al.
patent: 3974064 (1976-08-01), Bajek et al.

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