Mineral oils: processes and products – Fractionation – Liquid extraction with solvents
Patent
1974-12-04
1976-04-27
Levine, Herbert
Mineral oils: processes and products
Fractionation
Liquid extraction with solvents
208325, 260705, C10G 2122, C10G 2128
Patent
active
039533247
ABSTRACT:
Sulfolane is recovered from the extract and raffinate product streams of an extraction process employing sulfolane as the solvent by contacting the extract and raffinate product streams with a solid adsorbent and regenerating the adsorbent by displacing the adsorbed solvent with extraction process feed.
REFERENCES:
patent: 2964465 (1960-12-01), Brown et al.
patent: 3470087 (1969-09-01), Broughton
patent: 3763037 (1973-10-01), Thompson
Deal Carl H.
Garnett Stephen H.
Levine Herbert
Shell Oil Company
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