Solvent dewaxing process

Details Solvent dewaxing process Solvent dewaxing process

1981-07-27

1982-10-19

Gantz, Delbert E.

Mineral oils: processes and products

Paraffin wax; treatment or recovery

Separation of paraffin from oil

C10G 7306, C10G 7332

Patent

active

043549217

ABSTRACT:
An improved method for solvent dewaxing oils in which a portion of the oil-solvent mixture is chilled to a temperature above its cloud point and a further portion is chilled to a temperature below its cloud point, the portions are combined to produce a mixture substantially at the cloud point, and the combined mixture further cooled to dewaxing temperature at which wax crystals are separated from the solvent and refined oil.

REFERENCES:
patent: 2887723 (1956-02-01), Hallie et al.
patent: 3038854 (1962-06-01), Kiersted, Jr.
patent: 3448588 (1966-07-01), Scoggin
patent: 3764517 (1973-10-01), Bodemuller, Jr.
patent: 3775288 (1973-11-01), Eagen et al.
patent: 4115241 (1978-09-01), Harrison et al.

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