Aromatic oils by thermal polymerization of refinery streams

Details Aromatic oils by thermal polymerization of refinery streams Aromatic oils by thermal polymerization of refinery streams

1974-10-25

1976-04-20

Levine, Herbert

Mineral oils: processes and products

Products and compositions

208 49, 208 71, 208 97, 208144, C10G 3708

Patent

active

039517802

ABSTRACT:
A heat soaked polymer by-product from the production of gasoline using the 90.degree.-400.degree.F. steam cracker naphtha as feed is upgraded by first subjecting the same to a thermal polymerization and then subjecting the thermal polymerization product to a hydrotreating or hydrogenation step or both. Generally, the hydrotreatment is accomplished at relatively mild conditions so as to avoid any change in aromatic ring structure. Hydrogenation, on the other hand, is accomplished at more severe conditions so as to effect hydrogenation of the aromatic rings. In those cases where a mild hydrotreatment only is used, the products obtained are, generally, useful as aromatic oils of light color. Where more severe hydrogenation is used, on the other hand, the products are useful as naphthenic oils.

REFERENCES:
patent: 3324029 (1967-06-01), King et al.
patent: 3496095 (1970-02-01), Lewis
patent: 3654135 (1972-04-01), Wegener et al.
patent: 3689401 (1972-09-01), Gomi et al.

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