Control method for oxygen addition to oxidative reheat zone of h

Details Control method for oxygen addition to oxidative reheat zone of h Control method for oxygen addition to oxidative reheat zone of h

1986-11-14

1990-01-02

Pal, Asok

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

Having alkenyl moiety, e.g., styrene, etc.

585401, 585441, 585501, 585616, 585633, 585654, 585659, 208DIG1, 364496, 364500, C07C 5333

Patent

active

048914649

ABSTRACT:
The rate at which an oxygen-containing gas stream is admixed with hydrocarbons and hydrogen upstream of a catalytic hydrogen oxidation zone is controlled on the basis of temperature differentials across the oxidation zone and an upstream catalytic dehydrogenation zone. This control overrides the normal control mode based upon the outlet temperature of the oxidation zone effluent stream, which is the inlet temperature to a subsequent bed of hydrocarbon conversion catalyst. The control method can be used to apply oxidative reheat technology to a variety of processes.

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patent: 3748448 (1973-07-01), Sayles et al.
patent: 3855330 (1974-12-01), Mendelsohn et al.
patent: 3904703 (1975-09-01), Lo et al.
patent: 4069272 (1978-01-01), Hutson, Jr.
patent: 4132529 (1979-01-01), Schwimmer
patent: 4234410 (1980-11-01), Kelley
patent: 4290110 (1981-09-01), Makovec

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