Process for the isomerization of benzene containing feed streams

Details Process for the isomerization of benzene containing feed streams Process for the isomerization of benzene containing feed streams

1998-06-09

1999-10-05

Caldarola, Glenn

Chemistry of hydrocarbon compounds

Adding hydrogen to unsaturated bond of hydrocarbon, i.e.,...

With subsequent diverse conversion

585263, 585266, 585750, 585258, 585734, C07C 522, C07C 113, C07C 510

Patent

active

059627557

ABSTRACT:
A process for saturating benzene in a light paraffin isomerization process can accommodate varying quantities of benzene through the incorporation of progressive steps that control temperatures in the isomerization zone while performing a majority of the saturation within an immediately upstream benzene saturation zone. The process is suited for saturating benzene to very low levels while feedstream concentrations of benzenes may vary from 2 to 25 wt % throughout a given period of operation. The process can accommodate rapid swings in benzene concentration that may occur on a daily basis. The invention is particularly suited for the use of a sulfated zirconia catalyst that allows the utilization of existing reactor vessels in an isomerization process.

REFERENCES:
patent: 4783575 (1988-11-01), Schmidt et al.
patent: 5003118 (1991-03-01), Low et al.
patent: 5763713 (1998-06-01), Blommel et al.

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