Application of Extreme Doses of Aluminium for Growth Control of Filmentous Bacteria Microthrix Parvicella in an Activated Sludge System - Laboratory Investigations

Marek Geneja

Application of Extreme Doses of Aluminium for Growth Control of Filmentous Bacteria Microthrix Parvicella in an Activated Sludge System - Laboratory Investigations

Abstrakt

Laboratory investigations of aluminium (PAX-16) application for control of population of filamentous bacteria Microthrix Parvicella in a three-phase bioreactor in lab-scale were performed. Dosing of small aluminium doses (approximately 0.5 mgAl/gMLSS·d) in the period preceding seasonal growth of M.Parvicella failed to prevent mass growth of this microorganism leading to activated sludge bulking phenomenon (SVI-250 ml/gMLSS) after the temperature in the bioreactor was decreased below 15°C. Application of aluminium doses of approximately 10 mgAl/gMLSS resulted in rapid M.Parvicella growth inhibition and the decrease of SVI to 100 ml/gMLSS. However very intensive destruction of M.Parvicella filamentous structures and stability caused significant turbidity growth and the flocs stability weakening.

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Marek Geneja dr inż.

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Kategoria:: Publikacja w czasopiśmie
Typ:: artykuł w czasopiśmie wyróżnionym w JCR
Opublikowano w:: POLISH JOURNAL OF ENVIRONMENTAL STUDIES nr 4, strony 45 - 53,
ISSN: 1230-1485
Język:: angielski
Rok wydania:: 2009
Opis bibliograficzny:: Geneja M.: Application of Extreme Doses of Aluminium for Growth Control of Filmentous Bacteria Microthrix Parvicella in an Activated Sludge System - Laboratory Investigations// POLISH JOURNAL OF ENVIRONMENTAL STUDIES. -Vol. 4, (2009), s.45-53
Weryfikacja:: Politechnika Gdańska