Investigations on the effectiveness of wastewater purification in medium sand with assisting opoka rock layer

• Autorzy: Kalenik Marek , Chalecki Marek

Identyfikatory

DOI

10.37190/epe210105

• Języki publikacji: EN

Abstrakty

EN

The objective of the undertaken investigations was to examine in laboratory conditions whether an introduction of an assisting opoka rock layer with the granulation of 1–6 mm into the ground improves the removal efficiency of nitrogen and phosphorus compounds from domestic sewage. The performed investigations concerned the layer supporting the removal efficiency of domestic sewage in a home sewage treatment plant under infiltration drainage. The model investigations of wastewater purification were carried out in a medium sand bed with an assisting, 0.10 and 0.20 m thick opoka rock layer. The effectiveness of wastewater purification related to basic qualitative indicators (total suspended solids – TSS, BOD₅, COD, total nitrogen, total phosphorus) was in line with the Polish standards on sewage disposal into grounds and surface water. The medium sand soil bed with the 0.20 m thick assisting opoka rock layer showed higher effectiveness of wastewater purification than that 0.10 m thick. The application of the 0.20 m thick opoka rock layer increased the removal efficiency regarding TSS by 6.2%, total nitrogen by 20.4%, ammonium nitrogen by 8.3% and total phosphorus by 2.9%, and removal efficiency regarding BOD₅ by 1.2% and COD by 1.9% with relation to the 0.10 m thick assisting layer (all percentages − in average). The results confirm that the natural opoka rock with the granulation of 1–6 mm can be used to assist in the removal of nitrogen and phosphorus compounds from wastewater with the application of infiltration drainage.

Słowa kluczowe

EN

drainage; infiltration; medium grain sand; BOD5; COD; treated sewage

PL

drenaż; infiltracja; piasek średnioziarnisty; BZT5; ChZT; ścieki oczyszczone

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Environment Protection Engineering
• Rocznik: 2021
• Tom: Vol. 47, nr 1
• Strony: 53--65
• Opis fizyczny: Bibliogr. 25 poz., rys., tab.

Twórcy

autor

Kalenik Marek

• Warsaw University of Life Sciences – SGGW, Institute of Environmental Engineering, Department of Hydraulics and Sanitary Engineering, Nowoursynowska 159, 02-776 Warsaw, Poland

autor

Chalecki Marek

• Warsaw University of Life Sciences – SGGW, Institute of Civil Engineering, Department of Mechanics and Building Structures, Nowoursynowska 159, 02-776 Warsaw, Poland

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).