Organic compounds fractionation for domestic wastewater treatment modeling

• Autorzy: Makowska M. , Spychala M.
• Języki publikacji: EN

Abstrakty

EN

Organic compounds in domestic wastewater have a highly differentiated composition, which depends on the source of wastewater. Detailed fractionation of organic pollutants is indispensible to determine their transformation during treatment processes. Mathematical modeling requires the division of organic compounds in wastewater into the fractions: dissolved, suspended, biodegradable, and unbiodegradable. It is possible to determine the content of fractions based on BOD₅, COD, and reaction rate coefficients. In this work, fractions of organic pollutants in wastewater, originating from small sources and treated in small treatment plants (0.66-22.00 m³/d), were identified. For comparison, fractions of organic pollutants in a medium municipal wastewater treatment plant (WWTP) of 4,000 m³/d capacity have been determined. It was found that the wastewater from small sources and households differ in composition from typical municipal sewage. They are characterized by higher contents of dissolved and suspended biodegradable fractions. A similar result was found for septic tank effluent. The high content of biodegradable compounds and relatively large reaction rate coefficients positively affect the efficiency of pollutant removal.

Słowa kluczowe

EN

organic compound; fractionation; domestic waste water; waste water treatment; waste water treatment plant; individual waste water treatment plant; small waste water treatment plant; modelling

• Wydawca: -
• Czasopismo: Polish Journal of Environmental Studies
• Rocznik: 2014
• Tom: 23
• Numer: 1
• Opis fizyczny: p.131-137,fig.,ref.

Twórcy

autor

Makowska M.

• Department of Hydraulic and Sanitary Engineering, Poznan University of Life Sciences, Piatkowska 94A, 60-649 Poznan, Poland

autor

Spychala M.

• Department of Hydraulic and Sanitary Engineering, Poznan University of Life Sciences, Piatkowska 94A, 60-649 Poznan, Poland

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