Demetallization and desulfurization of petroleum feed-stocks wit

Mineral oils: processes and products – Refining – Sulfur removal

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208215, 208251H, 208253, 252463, C10G 2302, B01J 2334

Patent

active

040453316

ABSTRACT:
A novel process for the demetallization of petroleum feedstocks comprising contacting a petroleum feedstock at elevated pressures and temperatures, and preferably in the presence of hydrogen, with a catalyst comprising a manganese component composited with alumina, said catalyst having a surface area in excess of 175 m.sup.2 /gm and having at least 60% of its pore volume in pores having diameters between 50 and 200 A. Preferred catalysts comprise between about 2 and 15 weight-percent manganese. Removal of more than 25%, usually more than 50%, of the organometallic impurities can be achieved.

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Rovesti; William C. "Demetallization of Heavy Residnal Oils" Ntis, Dept. of Commerce report EPA - 650/2-73-041.

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