Process for the separation of saturated hydrocarbons from a hydr

Details Process for the separation of saturated hydrocarbons from a hydr Process for the separation of saturated hydrocarbons from a hydr

1980-11-19

1983-03-08

Gantz, Delbert E.

Mineral oils: processes and products

Paraffin wax; treatment or recovery

Separation of paraffin from oil

C10G 2100, C10G 2102

Patent

active

043760350

ABSTRACT:
The invention relates to a process for the separation of a hydrocarbon charge into a fraction which precipitates at the operating temperature and a fraction which remains liquid at that temperature.
This process is of the incremental-dilution type and entails the use of a solvent whose composition changes at least once in the course of the various dilutions and of an antisolvent whose proportion in the solvent diminishes from at least one of the dilutions to the next dilution.
Application: Dewaxing of oils.

REFERENCES:
patent: 2342798 (1944-02-01), Fischer
patent: 2760904 (1956-08-01), Ford
patent: 3642609 (1972-02-01), Mayer et al.
patent: 3871991 (1975-03-01), Shaw

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