Removal of VOCs from groundwater using membrane-assisted solvent extraction

A membrane‐assisted solvent extraction (MASX) system coupled to a membrane‐assisted distillation stripping (MADS) system for use in decontaminating ground‐water is evaluated. Volatile organic compounds (VOCs) in the groundwater are extracted in the MASX unit using a sunflower oil solvent. In the MAD...

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Veröffentlicht in:AIChE journal 1994-01, Vol.40 (1), p.166-177
Hauptverfasser: Hutter, Joseph C., Vandegrift, George F., Nuñez, Luis, Redfield, David H.
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container_title AIChE journal
container_volume 40
creator Hutter, Joseph C.
Vandegrift, George F.
Nuñez, Luis
Redfield, David H.
description A membrane‐assisted solvent extraction (MASX) system coupled to a membrane‐assisted distillation stripping (MADS) system for use in decontaminating ground‐water is evaluated. Volatile organic compounds (VOCs) in the groundwater are extracted in the MASX unit using a sunflower oil solvent. In the MADS unit, VOCs are stripped from the sunflower oil, which is recycled to the MASX unit. Thermodynamic data for the sunflower oil‐water‐VOCs system were measured. The results were used along with published membrane mass‐transfer data to design MASX and MADS modules.
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subjects 540250 - Environment, Terrestrial- Site Resource & Use Studies- (1990-)
Applied sciences
CLEANING
ENVIRONMENTAL SCIENCES
Exact sciences and technology
EXTRACTION
GROUND WATER
Groundwaters
HYDROGEN COMPOUNDS
LAND RECLAMATION
MATTER
MEMBRANE TRANSPORT
Natural water pollution
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
Pollution
SEPARATION PROCESSES
SOLVENT EXTRACTION
THERMODYNAMIC PROPERTIES
VOCs
VOLATILE MATTER
Volatile organic compounds
WATER
Water treatment and pollution
title Removal of VOCs from groundwater using membrane-assisted solvent extraction
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