ORIGINAL RESEARCH
Efficiency of Nutrient Removal from Household
Wastewater in Nonwoven Bioreactors
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1
Department of Sanitary Engineering and Water Management, University of Agriculture in Kraków, Poland
2
Department of Geoinformation Photogrammetry and Remote Sensing of Environment,
AGH University of Science and Technology in Kraków, Poland
3
Department of Environmental Management and Protection,
AGH University of Science and Technology in Kraków, Poland
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Department of Ecology, Climatology and Air Protection, University of Agriculture in Kraków, Poland
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Institute of Biosystems Engineering, Poznan University of Life Sciences, Poznań, Poland
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Department of Hydraulic and Sanitary Engineering Poznan University of Life Sciences, Poznań, Poland
Submission date: 2018-01-30
Final revision date: 2018-04-25
Acceptance date: 2018-04-27
Online publication date: 2019-02-04
Publication date: 2019-03-01
Corresponding author
Robert Mazur
Faculty of Mining Surveying and Environmental Engineering AGH University of Science and Technology, Kawiory St. 26 A Room no. 210, Faculty of Mining Surveying and Environmental Engineering AGH University of Science and Technology, 30-059 Ktaków, Poland
Pol. J. Environ. Stud. 2019;28(4):2099-2108
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ABSTRACT
Our paper presents results of nutrient removal from household wastewater in the bioreactors with
nonwoven filters. The experimental system was constructed from two groups of bioreactors in laboratory
scale with gravity-fed wastewater supply. The variable differentiating the work of both tested systems was
the method of sewage dosing. In both experimental groups, there was a statistically significant reduction
ratio of nitrite nitrogen, ammonia nitrogen, phosphate, and sulfide ions. In spite of the marked difference
between concentrations of investigated nutrients in treated wastewater between the experimental groups
was not possible to demonstrate in most cases the statistically significant differences. The bioreactors
fed once every 12 hours showed an additional effect of desiccation of part of a nonwoven filter and
a significant deterioration in the quality of treated sewage. The tested systems of reactors provide
the scientific promises for their use on an industrial scale as a system with partial treatment of household
sewage. The contents of nutrients in treated wastewater, however, still exceeds the permissible level
specified in the standard for treated sewage.