Journal
JOURNAL OF HAZARDOUS MATERIALS
Volume 101, Issue 2, Pages 179-190Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0304-3894(03)00176-6
Keywords
phenol; extraction; wastewater; theoretical calculation; recycle
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A novel extraction procedure has been developed for treating phenolic wastewater. Alcohols, amines, and organic acids were applied as extractants in separation of phenol from the wastewater containing 6000 mg/l phenol and 5% salts discharged by chemical plants, >99% phenol was recovered by extracting with octanol. The interactions of phenol with alcohols, amines, and organic acids were studied by a theoretical calculation with GAUSSIAN 98. The extraction efficiency is strongly dependent on the intermolecular interactions between the phenol and extractants. Based on the experimental and theoretical studies, a pilot-scale LLES was set-up and worked well. (C) 2003 Elsevier B.V. All rights reserved.
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