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REMOVAL EFFICIENCY OF NITROGEN AND PHOSPHORUS FROM DAIRY WASTEWATER ANAEROBIC REACTOR WITH CAGE MIXING SYSTEM
 
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Katedra Inżynierii Środowiska, Wydział Nauk o Środowisku, Uniwersytet Warmińsko-Mazurski w Olsztynie, 10-720 Olsztyn, ul. Warszawska 117a
 
 
Publication date: 2016-06-15
 
 
Inż. Ekolog. 2016; 48:78-87
 
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An alternative to aerobic wastewater treatment systems are anaerobic reactors. When designing anaerobic reactors attention is paid to the appropriate filling, pumping systems, or mixing systems, enabling the re-duction of technological limitations, which contribute to the improvement of end effects such as, quantity and quality of the resulting biogas and the quality of treated wastewater. Described experiment related to researches on the evaluation of the efficiency of removing contamina-tions from synthetic dairy waste water using anaerobic reactor equipped with an innovative mixing sys-tem. The efficiency of removal of organic compounds made studies ranged from 96.25% to 99.03%. The concentration of total nitrogen in raw wastewater was at a level of 148.36 ± 0 mg N/dm3 to 593.42 ± 94,92 mg N/dm3, and treated wastewater from 21.66 ± 19.71 mg N/dm3 to 28.73 ± 0.4 mg N/dm3. The concentration of total phosphorus in raw wastewater was at a level of 110 ± 0 mg P/dm3 to 441.16 ± 19.83 mg P/dm3, and treated wastewater from 16.49 ± 16.13 mg P/dm3 to 354 ± 14.18 mg P/dm3. The methane content of the biogas produced was at a level of from 0.0413 dm3 per 1 g COD introduced to 0.4367 dm3 per 1 g COD introduced.
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