Lead inhibition on urea hydrolyzing microorganisms under batch conditions

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dc.contributor.authorKılıç, Ahmet
dc.contributor.authorKoçyiğit, Hikmet.
dc.date.accessioned13.07.201910:50:10
dc.date.accessioned2019-07-16T09:15:06Z
dc.date.available13.07.201910:50:10
dc.date.available2019-07-16T09:15:06Z
dc.date.issued2010
dc.departmentMühendislik Fakültesi
dc.description.abstractLead Pb(II), inhibition of microbial calcium precipitation by ureolytic microorganisms was carried out with a glucose containing mineral medium under batch conditions over an incubation period of 120 hours Substrate removal rate fitted a zero order up to 70(th) hour and first order kinetic after that time for all samples containing lead concentrations of 0-64 mg/L The increase of Pb(II) concentrations from 0 to 64 mg/L reduced constant of substrate degradation rate from 10 26 to 4 04 mg glucose/L h and from 0 027 to 0 005 l/h for zero (k(0)) and first order kinetic constant (k(1)) respectively The Pb(11) at concentration higher than 16 mg/L mainly inhibited both substrate removal and nitrification process Although nitrification was inhibited at higher concentrations of lead its inhibition caused precipitation of calcium due to high pH and alkalinity levels in the samples As a result that a modified Monod inhibition model was applied to BOD data BOD removal rate inhibited non-competitively The non-competitive inhibition constants (K(1)) were 104 mg/L for K(s), and 373 mg/L for R(max) at Pb(11) concentration of 64 mg/L
dc.identifier.doi10.2478/V10133-010-0079-2
dc.identifier.endpage2091en_US
dc.identifier.issn1310-2818
dc.identifier.issue4en_US
dc.identifier.scopusqualityQ3
dc.identifier.startpage2085en_US
dc.identifier.urihttps://doi.org/10.2478/V10133-010-0079-2
dc.identifier.urihttps://hdl.handle.net/20.500.12451/4288
dc.identifier.volume24en_US
dc.identifier.wosWOS:000284717900008
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherDiagnosis Press Ltd.
dc.relation.ispartofBiotechnology & Biotechnological Equipment
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectInhibition
dc.subjectLead
dc.subjectNon-Competitive
dc.subjectUreolytic Microbial Activity
dc.subjectCalcium Precipitation
dc.titleLead inhibition on urea hydrolyzing microorganisms under batch conditions
dc.typeArticle

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