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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): Dapkienė, Midona;Česonienė, Laima;Radzevičius, Algirdas;Kazakevičienė, Jurgita
Title: Effect of wastewater water from Jsv "Agaras" slaughterhouse on the quality of water in Juodupe river
Is part of: Rural development 2011 : 5th international scientific conference, 24-25 November, 2011, Akademija : proceedings. Akademija : Aleksandras Stulginskis University, Vol. 5, b. 2 (2011)
Extent: p. 274-279
Date: 2011
Keywords: Wastewater from slaugterhouse;Sand--reed filters;Effect on environment
Abstract: Wastewater form slaughterhouses distinguishes itself with high concentrations of pollutants. To diminish the effect of slaughterhouses pollutants on the enviroment, different techniques to treat wastewater are used. In JSV"Agaras“ to treat wastewater from slaughterhouses a two stage treating facility with constructed wetlands was installed. Industrial wastewater treated in a natural system and untreated surface wastewater from the area of production are disharged into the Jupodupe river. This study looks into the effect of wastewater from JSV „Agaras“ on the water quality in the Juodupe river during the period of 2007-2010. It has been determined that pollution of surface wastewater form production areas of slaugterhouse does not exceed limit vlaues and can be disharged into the Juodupe river without further treating. The quality of treated wastewater did not deteriorate under the main indexes of pollution during the period of investigation and therefore conformed to the environmental requirements. This demonstrates that wastewater treatment facility with two-stage filters of sand-reed horizontal filtration works effectively. Investigation did not determine any negative effect of wastewater from slaughterhouses on the quality of the Juodupe river in the period of investigation. In 2010 the quality of water in the Juodupe river above and below the production area did not conform to the criteria of good class of environmental state according to nitrates and general nitrogen. River pollution is more often influenced by intensive agricultural activity carried out in the river catchment than it is by wastewater water discharged from slaugterhouses, as water below the slaughterhouse in separate cases was better than above the slaughterhouse
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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