Removal of trace olefins from aromatic hydrocarbons

Details Removal of trace olefins from aromatic hydrocarbons Removal of trace olefins from aromatic hydrocarbons

1987-04-03

1989-01-03

Garvin, Patrick P.

Mineral oils: processes and products

Refining

With solid catalyst or absorbent

208177, 208299, 585467, 585468, C10G 2503

Patent

active

047955503

ABSTRACT:
This invention presents a novel treating process for the removal of trace quantities of olefinic impurities from a hydrocarbon process stream. Specifically, this process operates at liquid phase conditions treating hydrocarbon streams comprising substantially aromatics and naphthenes having Bromine Index values of about 50 to 2,000. A solid medium comprising a crystalline aluminosilicate zeolite and a refractory oxide is used to reduce the level of olefin impurities to Bromine Index values of 0.1 to 50.

REFERENCES:
patent: 2778863 (1957-01-01), Maisel et al.
patent: 3400169 (1968-09-01), Eng et al.
patent: 3835037 (1974-09-01), Fairweather et al.
patent: 3888939 (1975-06-01), Rosback
patent: 4309281 (1982-01-01), Dessau
patent: 4395372 (1983-07-01), Kluttz et al.
patent: 4421941 (1983-12-01), Olson et al.

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