Solvent dewaxing waxy hydrocarbon oils using dewaxing aid

Details Solvent dewaxing waxy hydrocarbon oils using dewaxing aid Solvent dewaxing waxy hydrocarbon oils using dewaxing aid

1978-07-21

1982-02-16

Gantz, Delbert E.

Mineral oils: processes and products

Paraffin wax; treatment or recovery

Separation of paraffin from oil

C10G 7304

Patent

active

043158137

ABSTRACT:
In a solvent dewaxing process wherein a waxy hydrocarbon oil is mixed with a dewaxing aid and dewaxing solvent and chilled to form a slurry comprising solid particles of wax and a mixture of dewaxed oil and solvent, the improvement which comprises using a polymeric dewaxing aid comprising a condensation product of naphthalene and chlorinated wax having an average molecular weight ranging from about 20,000 to 500,000 and a molecular weight distribution exceeding the range of from about 10,000 to 1,000,000.

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