Integrated catalytic reforming and hydrodealkylation process for

Details Integrated catalytic reforming and hydrodealkylation process for Integrated catalytic reforming and hydrodealkylation process for

1992-12-14

1994-01-11

McFarlane, Anthony

Chemistry of hydrocarbon compounds

Plural serial diverse syntheses

To produce aromatic

585319, 585407, 585483, 585804, 585831, 585488, 208 62, 208102, 62 11, 62 17, 62 18, 62 23, C07C 100, C07C 1500, C07C 700, C10G 5700

Patent

active

052783448

ABSTRACT:
The present invention is an integrated catalytic reforming/hydrodealkylation process that maximizes benzene recovery by incorporating refrigeration and pressure swing adsorption separation units. In the refrigeration separation unit, liquid reformate is used as a sponge oil to recover benzene from a hydrodealkylation purge gas stream, which in the past has been vented. The pressure swing adsorption unit remove impurities from a hydrogen-rich gas stream prior to use in the hydrodealkylation unit.

REFERENCES:
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patent: 3664949 (1972-05-01), Petersen et al.
patent: 3864241 (1975-02-01), Rausch
patent: 4053388 (1977-10-01), Bailey
patent: 4115247 (1978-09-01), Lehman et al.
patent: 4157355 (1979-06-01), Addison
patent: 4247729 (1981-01-01), Takahashi et al.

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