C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 7/144 (2006.01) C07C 7/00 (2006.01) C07C 7/10 (2006.01) C10G 21/28 (2006.01) C10G 31/00 (2006.01) C10G 53/04 (2006.01)
Patent
CA 2096656
2096656 9210448 PCTABS00013 Raffinate yield from solvent extraction is improved when the extract phase (5) recovered from the solvent extraction process (2) is subjected to a membrane separation step (6) wherein a saturates/1-ring aromatics rich retentate (8) is produced and a 2+ ring aromatics rich permeate (7) are produced and the saturates/1-ring aromatic rich retentate phase is recycled to the solvent extraction process.
Chen Tan-Jen
Sweet James R.
Borden Ladner Gervais Llp
Exxon Research And Engineering Company
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