Pentane insoluble asphaltene removal

Details Pentane insoluble asphaltene removal Pentane insoluble asphaltene removal

1973-09-13

1976-04-06

Gantz, Delbert E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Plural serial stages of chemical conversion

208110, 208112, 208158, 208264, C10G 3406

Patent

active

039487563

ABSTRACT:
The maximum conversion and desulfurization of residual petroleum oils having a high content of asphaltenes can be attained by first converting a maximum amount of the asphaltenes contained in these feeds by pretreating the feeds with hydrogen under a selected combination of operating conditions. Conditions of temperature between 700.degree. and 800.degree.F, liquid space velocity between 0.1 and 2.0 V.sub.f /hr/V.sub.r and hydrogen partial pressure between 1200 and 3000 psig, result in a maximum conversion of asphaltenes when 5 to 45 volume percent of the 975.degree.F+ fraction in the feedstock is converted to lower boiling fractions.

REFERENCES:
patent: 2768936 (1956-10-01), Anderson et al.
patent: 2950242 (1960-08-01), Thorpe et al.
patent: 3068168 (1962-12-01), Anderson et al.
patent: 3183179 (1965-05-01), Schuman
patent: 3429801 (1969-02-01), Gleim et al.
patent: 3622499 (1971-11-01), Stine et al.

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