Separation of hydrocarbon dewaxing and deasphalting solvents fro

Details Separation of hydrocarbon dewaxing and deasphalting solvents fro Separation of hydrocarbon dewaxing and deasphalting solvents fro

1990-12-05

1993-01-26

Sever, Frank

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

21050037, B01D 6102, B01D 7160

Patent

active

051820242

ABSTRACT:
Hydrocarbon solvents used or the dewaxing and/or deasphalting of oils can be recovered by the selective permeation of said solvents through an interfacially polymerized membrane under reverse osmosis conditions.

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"In Situ-Formed Condensation Polymers for Reverse Osmosis Membranes: Second Phase" North Star Research Institute, Dept. of Interior NTIS Pub #PB 234198.
"Continued Evaluation of In Situ-Formed Condensation Polymers for Reverse Osmosis Membranes" Midwest Research Inst. US Dept of Comm. NTIS Pub #PB 253193.

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