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THE APPLICATION OF LIQUID MEMBRANE PROCESSES IN WASTEWATER TECHNOLOGY. PART 2. SEPARATION, CONCENTRATION AND THE SELECTIVE RECOVERY OF PHENOL FROM DILUTED AQUEOUS SOLUTIONS AND WASTEWATERS.

DOI: 10.1615/ICHMT.1997.IntSymLiqTwoPhaseFlowTranspPhen.270
8 pages

Smaranda Masu
Research Institute for Wastewater Treatment - Branch of Timisoara

Viorica Dalea
"Politehnica" University of Timisoara; Research Institute for Wastewater Treatment - Branch of Timisoara

V. Cocheci
"Politehnica" University of Timisoara; Research Institute for Wastewater Treatment - Branch of Timisoara

Résumé

The separation of two organic pollutant, phenol and acetic acid, as different mixtures in a wastewater is possible due to their different permeation rate through the permselective organic barriers of a double emulsion AIII/UII/AI (wastewater phase/organic phase/aqueous receiving phase). The factors that influenced the mass transfer through the organic phase had been studied: the amount of receiving agent in the internal phase and the hydrodynamic conditions (intensity and time of hydrodynamic regime) that provide the double emulsion. The process efficiencies had been studied as function of working conditions. The working range regarding the separation extent of the two pollutant species : acetic acid in wastewater phase and phenol in the receiving phase - had been set up.

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