Process for treating sour petroleum distillates

Details Process for treating sour petroleum distillates Process for treating sour petroleum distillates

1978-08-28

1980-05-20

Crasanakis, George

Mineral oils: processes and products

Refining

Sweetening

C10G 2706

Patent

active

042038278

ABSTRACT:
A process for treating a mercaptan-containing sour petroleum distillate is disclosed. A sour petroleum distillate, in admixture with an oxidizing agent, is passed into contact with a catalytic composite in the presence of an alkaline reagent, said catalytic composite comprising a metal chelate mercaptan oxidation catalyst and a quaternary ammonium compound impregnated on a solid adsorbent support disposed as a fixed bed in a first treating zone. The effluent from said first zone, in admixture with an oxidizing agent, is then passed into contact with a catalytic composite in the presence of an alkaline reagent, said catalytic composite comprising a metal chelate mercaptan oxidation catalyst impregnated on a solid adsorbent support disposed as a fixed bed in a second treating zone. A petroleum distillate, substantially free of mercaptan sulfur, is recovered from the second treating zone.

REFERENCES:
patent: 2744854 (1956-05-01), Urban, Jr.
patent: 3108081 (1963-10-01), Gleim et al.
patent: 4070271 (1978-01-01), Carlson et al.

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