Catalyst for the selective hydrogenation of polyunsaturated orga

Details Catalyst for the selective hydrogenation of polyunsaturated orga Catalyst for the selective hydrogenation of polyunsaturated orga

1987-07-09

1988-03-29

Davis, Curtis R.

Chemistry of hydrocarbon compounds

Adding hydrogen to unsaturated bond of hydrocarbon, i.e.,...

Partial

585260, 585276, 585277, C07C 505

Patent

active

047345403

ABSTRACT:
A process is presented which is useful for the selective hydrogenation of polyunsaturated organic compounds. The resultant product of such a reaction produces the monoolefinic equivalents of the hydrogenated polyunsaturated organic compounds. The catalyst used in this selective hydrogenation process comprises nickel and sulfur deposited on the surface of an alumina support. The preferred catalyst does not contain halogens, noble metals, alkaline earth metals, or alkali metals and is characterized by having only a very low percentage of the total pore volume being provided by pores having an average pore diameter less than 150 angstroms. The great majority of the pore volume is present in the form of macropores having diameters of 500 to 1500 angstroms.

REFERENCES:
patent: 3472763 (1969-10-01), Cosyns et al.
patent: 3726936 (1973-04-01), Pitzer
patent: 3793388 (1974-02-01), Pitzer
patent: 4167529 (1979-09-01), Wideman
patent: 4658080 (1987-04-01), McFarland

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