Efficiency of removing organic pollutants from wastewater in a household wastewater treatment plant with a hybrid reactor

• Autorzy: Marzec M.

Identyfikatory

DOI

10.12911/22998993/65088

• Języki publikacji: EN

Abstrakty

EN

The purpose of the study is to evaluate the efficiency of removing organic pollutants from wastewater in a household wastewater treatment plant with a hybrid reactor. The efficiency of the plant was analyzed in terms of decreasing BOD₅, COD and the content of total suspended solids in differentiated technological conditions. The variable parameter was the length of the reactor aeration phase and the dwell phase. Six different aeration variants were analyzed. The efficiency of a wastewater treatment plant with a hybrid reactor in terms of reducing BOD₅ oscillated from 81 to 90%, COD – 64–84%, whereas total suspended solids – 66–89% which, as a rule, was not sufficient to achieve standard levels. The best results were achieved for the following variants: 2h aeration – 2h dwell and 1h aeration – 0.5h dwell. Lower efficiency of the plant could have been attributed to operational problems, mainly failures of the plant control system and uneven conditions such as air temperature, volume and composition of wastewater received in the plant.

Słowa kluczowe

EN

wastewater treatment; hybrid reactor; BOD5; COD; TSS

• Wydawca: Polskie Towarzystwo Inżynierii Ekologicznej ; Lublin University of Technology
• Czasopismo: Journal of Ecological Engineering
• Rocznik: 2016
• Tom: Vol. 17, nr 5
• Strony: 240--246
• Opis fizyczny: Bibliogr. 16 poz., rys., tab.

Twórcy

autor

Marzec M.

• Department of Environmental Engineering and Geodesy, University of Life Sciences in Lublin, Leszczyńskiego 7, 20-069 Lublin, Poland

Bibliografia

• 1. The efficiency of a TRYBIO household wastewater treatment plant with a hybrid reactor in terms of reducing BOD5 oscillated from 81 to 90%, COD – 64–84%, whereas total suspended solids – 66–89% which, as a rule, was not sufficient to achieve standard levels set for such indicators.
• 2. The best effects of removing organic pollutants expressed as BOD5 and COD were achieved for the following variants: aeration – 2h, dwell – 2h and aeration – 1h, dwell – 0.5h.
• 3. Removal of organic pollutants from wastewater in the treatment plant with a hybrid reactor was dependent on the dynamics of conversion of nitrogen and phosphorus compounds and indirectly on the thermal and oxygen conditions inside the reactor.
• 4. Highly differentiated indicators of efficiency for respective variants of analyses result from the fact that the analyses were carried out in field conditions and over a long period of time, which is connected with a considerable differentiation of conditions, including ambient temperature, volume and composition of wastewater received in the plant.
• 5. Providing an efficient system of control to maintain the optimum technological conditions and signal emergencies is the fundamental condition for efficient operation of onsite wastewater treatment plants with a hybrid reactor.
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Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę.