Desulfurization of residual petroleum oils with a catalyst calci

Details Desulfurization of residual petroleum oils with a catalyst calci Desulfurization of residual petroleum oils with a catalyst calci

1976-01-22

1977-03-22

Crasanakis, George

Mineral oils: processes and products

Refining

Sulfur removal

C10G 2302

Patent

active

040135470

ABSTRACT:
Residual oils comprising asphaltenes, metal compounds, and refractory sulfur compounds are hydrodesulfurized by contact with a unique type of cobalt-molybdenum-alumina catalyst characterized by certain critical physical properties of surface area, pore volume, pore size distribution, and by a specific type of active surface area, all resulting from a final calcining step carried out at temperatures between about 1250.degree. and 1400.degree. F for a sufficient time to give a pore size distribution such that at least about 40% of the total pore volume is in pores in the 75-100 angstrom diameter range.

REFERENCES:
patent: 3322666 (1967-05-01), Beuther et al.
patent: 3340180 (1967-09-01), Beuther et al.
patent: 3753894 (1973-08-01), Shoemaker et al.
patent: 3770618 (1973-11-01), Adams et al.
patent: 3853788 (1974-12-01), Feins et al.
patent: 3853791 (1974-12-01), Feins

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