Compact tertiary treatment based on the combination of MBBR and contained hollow fibre UF-membranes
The paper describes a tertiary treatment method (intended for water reuse) based on the moving bed biofilm reactor (MBBRTM), followed by a high-rate biomass separation step such as disc filter, DAF or Actifl o and followed by UF. Results from an experimental period carried out in pilot scale at the...
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Veröffentlicht in: | Desalination and water treatment 2012-04, Vol.42 (1-3), p.80-86 |
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creator | ØDEGAARD, Hallvard MENDE, Ulrich SKJERPING, Eirik Olsen SIMONSEN, Simon STRUBE, Rune BUNDGAARD, Erik |
description | The paper describes a tertiary treatment method (intended for water reuse) based on the moving bed biofilm reactor (MBBRTM), followed by a high-rate biomass separation step such as disc filter, DAF or Actifl o and followed by UF. Results from an experimental period carried out in pilot scale at the Gardermoen WWTP in Norway are described. Focus was on the use of the Hydrotech disc filter in combination with a contained, hollow fiber, outside-in ultrafiltration membrane unit. Different coagulation scenarios were tested and compared to the one based on the effluent from the full scale plant that uses coagulation/flocculation and DAF after the MBBR. It is concluded that the MBBR - high rate separation - UF process (the TERFLEX® process) offers an interesting and competitive alternative to the activated sludge based MBR. The best result when the UF membrane was used after primary biomass separation by DAF. The use of disc fi lter as the high rate biomass process ahead of the UF offers a very compact solution. |
doi_str_mv | 10.1080/19443994.2012.683145 |
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Results from an experimental period carried out in pilot scale at the Gardermoen WWTP in Norway are described. Focus was on the use of the Hydrotech disc filter in combination with a contained, hollow fiber, outside-in ultrafiltration membrane unit. Different coagulation scenarios were tested and compared to the one based on the effluent from the full scale plant that uses coagulation/flocculation and DAF after the MBBR. It is concluded that the MBBR - high rate separation - UF process (the TERFLEX® process) offers an interesting and competitive alternative to the activated sludge based MBR. The best result when the UF membrane was used after primary biomass separation by DAF. 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The use of disc fi lter as the high rate biomass process ahead of the UF offers a very compact solution.</description><subject>Activated sludge</subject><subject>Applied sciences</subject><subject>Biofilms</subject><subject>Biomass</subject><subject>Bioreactors</subject><subject>Coagulation</subject><subject>Discs</subject><subject>Disks</subject><subject>Exact sciences and technology</subject><subject>Filters (fluid)</subject><subject>Flocculation</subject><subject>Hollow fiber membranes</subject><subject>Membranes</subject><subject>Pollution</subject><subject>Separation</subject><subject>Sludge</subject><subject>Tertiary</subject><subject>Ultrafiltration</subject><subject>Wastewater treatment plants</subject><subject>Water reuse</subject><subject>Water treatment and pollution</subject><subject>Water treatment plants</subject><issn>1944-3994</issn><issn>1944-3986</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNpdkF1LwzAUhosoOOb-gRcBEbzpzMdp2ly64VSYCOKuS5ImrKNtZpIh_ntTprswF8nJ4TkvhyfLrgmeE1zheyIAmBAwp5jQOa8YgeIsm4ztnImKn59qAZfZLIQdTqeAsgA6yfTS9XupI4rGx1b6bxS9kbE3Q0RKBtMgN6C4NUi7XrWDjG36O4teF4t3JIcm9Yco2yGBW9d17gvZVnmDNqu8N73ycjDhKruwsgtm9vtOs83q8WP5nK_fnl6WD-tcM1rGPF2NAKUplVoZY7WyoCylXAqpAASUJeXcsBILIIJrxRopGzBCCWuBFGya3R1z9959HkyIdd8GbbouLeEOoSaY4qogFPOE3vxDd-7gh7RdTQQDzBM2BsKR0t6F4I2t977tk6QUVY_y6z_59Si_PspPY7e_4TJo2dkkQbfhNEuLivCiwuwHgPODpw</recordid><startdate>20120401</startdate><enddate>20120401</enddate><creator>ØDEGAARD, Hallvard</creator><creator>MENDE, Ulrich</creator><creator>SKJERPING, Eirik Olsen</creator><creator>SIMONSEN, Simon</creator><creator>STRUBE, Rune</creator><creator>BUNDGAARD, Erik</creator><general>Desalination Publications</general><general>Elsevier Limited</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QH</scope><scope>7QL</scope><scope>7QO</scope><scope>7ST</scope><scope>7T7</scope><scope>7TN</scope><scope>7UA</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>FR3</scope><scope>H96</scope><scope>H97</scope><scope>KR7</scope><scope>L.G</scope><scope>M7N</scope><scope>P64</scope><scope>SOI</scope><scope>7SU</scope></search><sort><creationdate>20120401</creationdate><title>Compact tertiary treatment based on the combination of MBBR and contained hollow fibre UF-membranes</title><author>ØDEGAARD, Hallvard ; 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subjects | Activated sludge Applied sciences Biofilms Biomass Bioreactors Coagulation Discs Disks Exact sciences and technology Filters (fluid) Flocculation Hollow fiber membranes Membranes Pollution Separation Sludge Tertiary Ultrafiltration Wastewater treatment plants Water reuse Water treatment and pollution Water treatment plants |
title | Compact tertiary treatment based on the combination of MBBR and contained hollow fibre UF-membranes |
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