Process for sweetening petroleum cuts without regular addition o

Details Process for sweetening petroleum cuts without regular addition o Process for sweetening petroleum cuts without regular addition o

1995-06-07

1997-01-07

Pal, Asok

Mineral oils: processes and products

Refining

Sweetening

208189, 208203, 208206, C10G 2700, C10G 2704

Patent

active

055913237

ABSTRACT:
A process for sweetening a petroleum cut containing mercaptans, wherein said petroleum cut is subjected to oxidation conditions by being contacted with a porous catalyst, in the presence of air said process being characterised in that said catalyst comprises 10 to 98% by weight of at least one mineral solid phase constituted of an alkaline aluminosilicate with a Si/Al atomic ratio less than or equal to 5, 1 to 60% by weight of active carbon, 0.02 to 2% by weight of at least one metal chelate and 0 to 20% by weight of at least one organic or mineral binding agent, has a basicity determined according to the 2896 ASTM standard with 20 milligrams of potash per gram and a total BET surface area of 10 m.sup.2 g.sup.-1, and contains inside its pore structure a permanent aqueous phase representing 0.1 to 40% by weight of dry catalyst.

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Berg, L. G. et al. "Nature of thermal effects of the products of the reaction of kaolinite with some bases", I2V. Vyssh. Urcheb Zaved., Khim. tehnol., 13(1), 93.6 (Russia) 1970.
Berg, L. G., et al., "Nature of thermal effects of the products of . . . ", Anim. Tekhnol, 13 (1), 93-6 (Russia) 1970).

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