Solvent recovery process for processing of hydrocarbons

Details Solvent recovery process for processing of hydrocarbons Solvent recovery process for processing of hydrocarbons

1978-05-10

1980-07-29

Levine, Herbert

Mineral oils: processes and products

Paraffin wax; treatment or recovery

Separation of paraffin from oil

208309, 208321, C10G 2128

Patent

active

042149754

ABSTRACT:
A solvent recovery portion of a solvent refining plant for producing oil products such as lubricating oils from a crude source of hydrocarbons such as petroleum hydrocarbons wherein there are provided at least three continuous flash stages or zones for which each successive stage or zone operates at pressure and temperature levels higher than the preceding one, the vapor from any successive stage or zone being employed as the heating medium in the preceding one to effect the vaporization in said preceding stage or zone.

REFERENCES:
patent: 2324112 (1943-07-01), Rupp et al.
patent: 2895908 (1959-07-01), Beavon
patent: 2907709 (1959-10-01), Benedict
patent: 2943050 (1960-06-01), Beavon
patent: 3461066 (1969-08-01), Morris et al.

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