Combined hydroreforming-hydroisomerization process

Details Combined hydroreforming-hydroisomerization process Combined hydroreforming-hydroisomerization process

1987-04-15

1990-03-27

Davis, Curtis R.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Plural serial stages of chemical conversion

208 64, 208 65, 585734, 585751, C10G 3504, C07C 513

Patent

active

049118226

ABSTRACT:
The invention concerns a combined process of catalytically hydroreforming a heavy naphtha in at least one reaction zone (10) and catalytically hydroisomerizing a light naptha in at least one reaction zone (34).
The invention is characterized in that the hydrogen produced in the hydroreforming unit (line 27) is used to isomerize the light naphtha, the obtained reformate and isomerate being fractionated preferably together in the same stabilization column (51 in FIG. 1).
A better thermal integration, a better recovery of light hydrocarbons and a lowering of the utilities requirements and investments, as compared with units operating separately, are thus achieved.

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patent: 4665272 (1987-05-01), Bakas et al.
patent: 4665273 (1987-05-01), Johnson et al.

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