A rotating biological contactor or RBC is a biological fixed-film treatment process used in the secondary treatment of wastewater following primary treatment. The primary treatment process involves removal of grit, sand and coarse suspended material through a screening process, followed by settling of suspended solids. The RBC process allows the wastewater to come in contact with a biological film in order to remove pollutants in the wastewater before discharge of the treated wastewater to the environment, usually a body of water (river, lake or ocean). A rotating biological contactor is a type of secondary (biological) treatment process. It consists of a series of closely spaced, parallel discs mounted on a rotating shaft which is supported just above the surface of the wastewater. Microo
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| - Tauchkörperverfahren (de)
- Rotating biological contactor (en)
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| - Als Tauchkörperverfahren bezeichnet man eine Form der Abwasserreinigung. Hierbei taucht eine Tropfkörper genannte Besiedlungsfläche für sessile Mikroorganismen in den Bioreaktor. Durch Drehung des Tauchkörpers (Scheiben beim Scheibentauchkörper, andere Formen beim Rotationstauchkörper) taucht ein Teil der Bewuchsfläche zyklisch aus dem Abwasser auf und kann dabei den Sauerstoff aus der Atmosphäre aufnehmen. Scherkräfte bei der Drehbewegung lösen zu dicke Biofilme von der Bewuchsfläche ab, diese werden in einem anschließenden Anlagenteil bei der Nachklärung vom gereinigten Abwasser abgetrennt. (de)
- A rotating biological contactor or RBC is a biological fixed-film treatment process used in the secondary treatment of wastewater following primary treatment. The primary treatment process involves removal of grit, sand and coarse suspended material through a screening process, followed by settling of suspended solids. The RBC process allows the wastewater to come in contact with a biological film in order to remove pollutants in the wastewater before discharge of the treated wastewater to the environment, usually a body of water (river, lake or ocean). A rotating biological contactor is a type of secondary (biological) treatment process. It consists of a series of closely spaced, parallel discs mounted on a rotating shaft which is supported just above the surface of the wastewater. Microo (en)
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| - Als Tauchkörperverfahren bezeichnet man eine Form der Abwasserreinigung. Hierbei taucht eine Tropfkörper genannte Besiedlungsfläche für sessile Mikroorganismen in den Bioreaktor. Durch Drehung des Tauchkörpers (Scheiben beim Scheibentauchkörper, andere Formen beim Rotationstauchkörper) taucht ein Teil der Bewuchsfläche zyklisch aus dem Abwasser auf und kann dabei den Sauerstoff aus der Atmosphäre aufnehmen. Scherkräfte bei der Drehbewegung lösen zu dicke Biofilme von der Bewuchsfläche ab, diese werden in einem anschließenden Anlagenteil bei der Nachklärung vom gereinigten Abwasser abgetrennt. (de)
- A rotating biological contactor or RBC is a biological fixed-film treatment process used in the secondary treatment of wastewater following primary treatment. The primary treatment process involves removal of grit, sand and coarse suspended material through a screening process, followed by settling of suspended solids. The RBC process allows the wastewater to come in contact with a biological film in order to remove pollutants in the wastewater before discharge of the treated wastewater to the environment, usually a body of water (river, lake or ocean). A rotating biological contactor is a type of secondary (biological) treatment process. It consists of a series of closely spaced, parallel discs mounted on a rotating shaft which is supported just above the surface of the wastewater. Microorganisms grow on the surface of the discs where biological degradation of the wastewater pollutants takes place. Rotating biological contactors (RBCs) are capable of withstanding surges in organic load. To be successful, micro-organisms need both oxygen to live and food to grow. Oxygen is obtained from the atmosphere as the disks rotate. As the micro-organisms grow, they build up on the media until they are sloughed off due to shear forces provided by the rotating discs in the sewage. Effluent from the RBC is then passed through a clarifier where the sloughed biological solids in suspension settle as a sludge. (en)
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