The effects of nickel on the completely mixed activated sludge process

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dc.contributor.authorSujarittanonta, Suthiraken
dc.contributor.committeechairSherrard, Joseph H.en
dc.contributor.committeememberKing, Paul H.en
dc.contributor.committeememberRandall, Clifford W.en
dc.contributor.committeememberWightman, James P.en
dc.contributor.committeememberDrew, Stephan W.en
dc.contributor.departmentCivil Engineeringen
dc.date.accessioned2014-03-14T21:16:55Zen
dc.date.adate2012-08-01en
dc.date.available2014-03-14T21:16:55Zen
dc.date.issued1979-04-05en
dc.date.rdate2012-08-01en
dc.date.sdate2012-08-01en
dc.description.abstractThe purpose of this investigation was to conduct batch and continuous flow laboratory experiments with bench scale activated sludge units to determine the effects of nickel on the completely mixed activated sludge process. The model units were located in a constant temperature room maintained at 20±2°C. The batch reactors were operated under acclimated and shock loaded condition with various nickel concentration to determine its effects on the rate of COD removal. The continuous flow units were operated until steady state conditions were obtained at each mean cell residence time studied and then data were recorded for an approximate 7 days period and averaged to obtain one steady state data point. Nickel was added to the waste water at various concentration to determine its effects on COD removal efficiency, degree of nitrification and on the biokinetic constants Ymax and kd.en
dc.description.degreePh. D.en
dc.format.extentxv, 191 leavesen
dc.format.mediumBTDen
dc.format.mimetypeapplication/pdfen
dc.identifier.otheretd-08012012-040713en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-08012012-040713/en
dc.identifier.urihttp://hdl.handle.net/10919/39011en
dc.language.isoenen
dc.publisherVirginia Techen
dc.relation.haspartLD5655.V856_1979.S84.pdfen
dc.relation.isformatofOCLC# 05132554en
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subject.lccLD5655.V856 1979.S84en
dc.subject.lcshNickelen
dc.subject.lcshSewage sludgeen
dc.subject.lcshSewage -- Purification -- Activated sludge processen
dc.titleThe effects of nickel on the completely mixed activated sludge processen
dc.typeDissertationen
dc.type.dcmitypeTexten
thesis.degree.disciplineCivil Engineeringen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.leveldoctoralen
thesis.degree.namePh. D.en

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