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Type of publication: 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;Radzevičius, Algirdas;Česonienė, Laima
Title: Efficiency of operating of Kaunas WWTP digester
Is part of: Rural development 2013 : 6th international scientific conference, 28-29 November, 2013, Akademija : proceedings. Akademija : Aleksandras Stulginskis University, Vol. 6, b. 3 (2013)
Extent: p. 234-238
Date: 2013
Keywords: Digester;Sludge;Biogas
Abstract: Management of waste water sludge is one of the most topical environmental problems that is being gradually solved in Lithuanian waste water treatment plants. Anaerobic sludge digestion is an essential part of sludge treatment. Digestion process not only mineralizes organic pollutants and reduces amount of sludge, but also produces biogas which can be used for energy needs. Different technological and hydraulic factors affect work efficiency of digester. This article analyses the effect of temperature, amount and composition of sludge as well as the process of stirring sludge on gas discharge in Kaunas WWTP digester. It has been determined that degradation degree of organic material affects production of biogas. Sludge digestion process is performed in a narrow temperature interval and for this reason no temperature effect has been observed on the machinery. By stirring sludge effectively a better biogas output can be obtained
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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