Method for preparing hydrocarbon mixture solvent

Details Method for preparing hydrocarbon mixture solvent Method for preparing hydrocarbon mixture solvent

1987-07-02

1989-01-03

Davis, Curtis R.

Chemistry of hydrocarbon compounds

Compound or reaction product mixture

208143, 208144, 585266, 585268, 585269, 585270, C07C 900

Patent

active

047958405

ABSTRACT:
The present invention provides a method for preparing a hydrocarbon mixture solvent comprising 1 to 15 wt % of alkyl tetralins and 0 to 10 wt % of aromatic hydrocarbons and having a boiling point of 160.degree. to 300.degree. C., the solvent being substantially free from naphthalene and biphenyl; the method being characterized by comprising the steps of subjecting a kerosene fraction having a boiling point of 150.degree. to 300.degree. C. to a nucleus hydrogenation treatment at a temperature of 100.degree. to 300.degree. C. at a pressure of 30 to 100 kg/cm.sup.2 in the presence of a metallic catalyst for nucleus hydrogenation of aromatic nuclei; separating and removing at least a part of n-paraffins in the kerosene therefrom by the use of a molecular sieve made from a synthesized zeolite having pores of 5 .ANG. in diameter in order to obtain a residual oil; and subjecting the latter to a rectification.

REFERENCES:
patent: 2988502 (1961-06-01), Ricards et al.
patent: 4036734 (1977-07-01), Manne et al.

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