Process for hydrogenating highly unsaturated heavy hydrocarbon c

Details Process for hydrogenating highly unsaturated heavy hydrocarbon c Process for hydrogenating highly unsaturated heavy hydrocarbon c

1975-04-21

1977-04-26

Levine, Herbert

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Plural serial stages of chemical conversion

252465, 252470, 260667, C10G 2302

Patent

active

040199762

ABSTRACT:
Process for hydrogenating a highly unsaturated hydrocarbon cut, boiling above 200.degree. C under atmospheric pressure, comprising passing said cut successively over two catalysts, each of which contains an alumina carrier, (a) at least one molybdenum and/or tungsten compound and (b) at least one nickel and/or cobalt compound, the ratio b/a expressed in gram-atoms of metals, being from 1.5:1 to 10:1 for the first catalyst and from 0.1:1 to 1:1 for the second catalyst and the alumina carrier of the first catalyst having a heat of neutralization by ammonia absorption lower than 10 calories per gram under an ammonia pressure of 300 mmHg.

REFERENCES:
patent: 2744052 (1956-05-01), Nozaki
patent: 2765617 (1956-10-01), Gluesenkamp et al.
patent: 3313859 (1967-04-01), Doane
patent: 3493493 (1970-02-01), Henke et al.
patent: 3728250 (1973-04-01), Hass et al.

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