Solvent dewaxing process

Details Solvent dewaxing process Solvent dewaxing process

1977-07-05

1978-09-19

Levine, Herbert

Mineral oils: processes and products

Paraffin wax; treatment or recovery

Separation of paraffin from oil

208 37, C10G 4308

Patent

active

041152433

ABSTRACT:
A process for dewaxing heavy distillate and residual petroleum oil stocks wherein a waxy oil stock, prediluted with 1-2.5 volumes dewaxing solvent, is cooled to about the depressed cloud point, wherein the cooled, prediluted waxy oil stock is treated with dewaxing solvent, in increments of 0.3-1.5 volumes each to a total dilution of 3.5 to 4 volumes solvent, under conditions of good mixing and cooling at about 1.degree.-8.degree. F/min, to a desired separation temperature for precipitating wax crystals and producing a dewaxed oil.

REFERENCES:
patent: 3350297 (1977-10-01), Torobin
patent: 3850740 (1974-11-01), Gudelis et al.
Chen et al., "Chemical Engineering" Mar. 19, 1973, pp. 105-111.

Affiliated with

Also associated with

Rating

Solvent dewaxing process does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Solvent dewaxing process, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Solvent dewaxing process will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2117619