Removal of Synthetic Organic Foulants by Granular Activated Carbon Filters and Ultrafiltration Membrane
Abstract
In this study granular activated carbon (GAC) was used as pretreatment for foul control in ultrafiltration (UF) membrane process. First the adsorptive parameters for phenol, chlorophenol, nitrophenol and hydroquinone on GAC were determined. The equilibrium data fits well to Langmuir adsorption isotherm rather than Freundlich model. Breakthrough curves were obtained from fixed bed experiments and column parameter were calculated from it. GAC filters were then used in combination with UF membrane system. The percent retentions of the four organic substances under study were determined and the declines in flux were observed. The problems associated with powdered activated carbon like cake formation over membrane surface, long back wash time and blackening of pipes were not observed for GAC.
Kurzfassung
In dieser Untersuchung wurde granulierte Aktivkohle (GAC) als Vorbehandlungsmittel in Ultrafiltrationsverfahren zur Fouling-Kontrolle eingesetzt. Zuerst wurden die Adsorptionsparameter für Phenol, Chlorphenol, Nitrophenol und Hydrochinon bestimmt. Die Gleichgewichtswerte lassen sich besser mit dem Langmuir-Isothermenmodell als mit dem Freundlich-Modell anpassen. Die Durchbruchkurven wurden in Festbett-Experimenten aufgenommen und die Säulenparameter wurden aus diesen Kurven ermittelt. Dann wurden die GAC-Filter in Kombination mit den Ultrafiltrationsmembranen eingesetzt. Es wurde die prozentuale Retention der vier untersuchten Verbindungen bestimmt. Die Flussreduktion wurde ermittelt. Probleme wie sie für Aktivkohlepulver beobachtet wurden, wie z.B. Bildung von Filterkuchen an der Membranoberfläche, lange Rückspülzeiten und Schwärzung der Verrohrung, wurden mit GAC nicht gefunden.
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© 2012, Carl Hanser Publisher, Munich
Articles in the same Issue
- Contents/Inhalt
- Contents
- Abstracts
- Abstracts
- Application
- Troubles with the Solution: Fabric Softeners and Odour Properties
- Micellar Catalysis on 1,10-Phenanthroline Promoted Chromic Acid Oxidation of Glycerol in Aqueous Media
- Environmental Chemistry
- Kinetics, Equilibrium, and Isotherm of the Adsorption of Chlorine by TDRP
- Removal of Synthetic Organic Foulants by Granular Activated Carbon Filters and Ultrafiltration Membrane
- Physical Chemistry
- Effect of Temperature and Added Counter Ions on Micelle Formation of Guanidine Surfactants
- Effect of Molecular Structure on Interfacial Activity and Emulsification Property
- Synthesis
- Synthesis and Emulsification Properties of Organosilicone Modified Sodium Sulfonate of Alkanolamide Succinic Acid Monoester with Palm Oil
- Fluorescent-Tagged Double-Hydrophilic Block Copolymer as a Green Inhibitor for Calcium Carbonate Scales
- Synthesis and Surface Properties of Novel Gemini Surfactants
- Review
- Alkyl Poly Glucosides (APGs) Surfactants and Their Properties: A Review
Articles in the same Issue
- Contents/Inhalt
- Contents
- Abstracts
- Abstracts
- Application
- Troubles with the Solution: Fabric Softeners and Odour Properties
- Micellar Catalysis on 1,10-Phenanthroline Promoted Chromic Acid Oxidation of Glycerol in Aqueous Media
- Environmental Chemistry
- Kinetics, Equilibrium, and Isotherm of the Adsorption of Chlorine by TDRP
- Removal of Synthetic Organic Foulants by Granular Activated Carbon Filters and Ultrafiltration Membrane
- Physical Chemistry
- Effect of Temperature and Added Counter Ions on Micelle Formation of Guanidine Surfactants
- Effect of Molecular Structure on Interfacial Activity and Emulsification Property
- Synthesis
- Synthesis and Emulsification Properties of Organosilicone Modified Sodium Sulfonate of Alkanolamide Succinic Acid Monoester with Palm Oil
- Fluorescent-Tagged Double-Hydrophilic Block Copolymer as a Green Inhibitor for Calcium Carbonate Scales
- Synthesis and Surface Properties of Novel Gemini Surfactants
- Review
- Alkyl Poly Glucosides (APGs) Surfactants and Their Properties: A Review