Naphtha reforming process

Details Naphtha reforming process Naphtha reforming process

1980-08-18

1984-07-17

Davis, Curtis R.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Reforming

C10G 3506

Patent

active

044604572

ABSTRACT:
In a process for reforming light naphtha with a bimetallic or multimetallic reforming catalyst, such as a platinum-rhenium-halogen catalyst, at conventional reforming conditions, wherein the catalyst is used for an extended continuous on-stream period, the aromatics selectivity of the catalyst is rapidly increased by contacting the naphtha and hydrogen with the catalyst at increased severity operating conditions, such as a reduced pressure less than 90% of the normal reforming pressure, during an initial portion of the on-stream period.

REFERENCES:
patent: 2902434 (1959-09-01), Burton et al.
patent: 3005770 (1961-10-01), Lutz
patent: 3438888 (1969-04-01), Spurlock
patent: 3558479 (1971-01-01), Jacobson et al.
patent: 3660275 (1972-05-01), Carey et al.
patent: 3691064 (1972-09-01), Hayes et al.

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