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Advanced Wastewater Treatment with Ultrafiltration

Thema:

Publikationsform: Fachartikel
Artikelnummer: 05399_2015_SP2_02
Zeitschrift: Advanced Wastewater Treatment with Ultrafiltration
Erscheinungsdatum: 01.01.1970
Autor: Lena Causemann / Stefan Krause
Herausgeber: Ultrafiltration membranes have attracted wastewater treatment technologies worldwide during the past 15 years. Within a first research project, “post-filtration (polishing) for advanced wastewater treatment by membrane operation” (NAWAMem) post-filtration in combination with a chemical precipitation was investigated with two main goals (1) to investigate the fouling behavior of the membranes and (2) to limit the P-effluent < 0.1 mg/l. The investigation was performed with the effluent of conventional wastewater treatment plants (wwtp). During the NAWAMem research-project it was shown that a phosphorus concentration below 0.1 mgP/l is possible to maintain. Experiments with the mechanical cleaning process (MCP) in combination with backwashing achieved very high capability of the membranes ( —› low fouling). Opposed to MBR process the dead-end operation of the membrane modules was successful due to low energy demand and stable pH-conditions. The development of this new process is still at the very early state.
Verlag: DIV Deutscher Industrieverlag GmbH
Publikationsformat: PDF
Themenbereich: gwf - Wasser|Abwasser

Details

Ultrafiltration membranes have attracted wastewater treatment technologies worldwide during the past 15 years. Within a first research project, “post-filtration (polishing) for advanced wastewater treatment by membrane operation” (NAWAMem) post-filtration in combination with a chemical precipitation was investigated with two main goals (1) to investigate the fouling behavior of the membranes and (2) to limit the P-effluent < 0.1 mg/l. The investigation was performed with the effluent of conventional wastewater treatment plants (wwtp). During the NAWAMem research-project it was shown that a phosphorus concentration below 0.1 mgP/l is possible to maintain. Experiments with the mechanical cleaning process (MCP) in combination with backwashing achieved very high capability of the membranes ( —› low fouling). Opposed to MBR process the dead-end operation of the membrane modules was successful due to low energy demand and stable pH-conditions. The development of this new process is still at the very early state.

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