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Type of publication: research article
Type of publication (PDB): Straipsnis konferencijos medžiagoje Clarivate Analytics Web of Science ar/ir Scopus / Article in Clarivate Analytics Web of Science or Scopus DB conference proceedings (P1a)
Field of Science: Aplinkos inžinerija / Environmental engineering (T004)
Author(s): Kazakevičienė, Jurgita;Aškinis, Simanas
Title: Laboratory-scale investigation of wastewater purification in filters with dolomite chippings media
Is part of: Research for rural development 2011 : annual 17th international scientific conference proceedings, Jelgava, Latvia. Jelgava : Latvia University of Agriculture, 2011, no. 2
Extent: p. 159-163
Date: 2011
Keywords: Dolomite chippings media;Wastewater cleaning;Cleaning efficiency
Abstract: The article explores the possibility of the vertical filter instead of sand used for more coarse media for recharging, which would reduce the risk of freezing and clogging and ensure the cleaning of wastewater up to the limits. For this purpose the dolomite chippings have been chosen for research. It was equipped with two 0.2 m2 filters area: one of their models was 0.4 m dolomite chippings layer, liie other 0.8 m. They have been loaded by the wastewater after the primary cleaning in the septic system. Medium contamination in organic pollutants have been 358 mg 021/1, P 14.6 mg L"', N(otal 108.5 mg L"1, suspended solids 161.1 mgL"1, pH 7.8. Hydraulic load of the filters was 0.03 m3 m~2 d~l. Wastewater flowing through a vertical sand layer by an average of 98.2% of the organic pollutants to be detained. The average of effluent wastewater contamination of the filter was 22 mg O, L1. In the filter with dolomite chippings media can be cleaned wastewater with pollution reaches 500 mg O, L"'. The maximum load of organic pollutants is 14 mg O, L1. The tration path length to ensure wastewater cleaning up tolerance 0.8 m. In the filter with dolomite chippings media Ptota| is cleaned even 87.0%, Ntotal only 13.0% efficiency
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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