Utilization of Captor sponges to maintain nitrification and denitrification in BNR activated sludge at low aerobic MCRTs

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dc.contributor.authorLiu, Hanpingen
dc.contributor.committeechairRandall, Clifford W.en
dc.contributor.committeememberBoardman, Gregory D.en
dc.contributor.committeememberLove, Nancy G.en
dc.contributor.departmentCivil Engineeringen
dc.date.accessioned2014-03-14T21:47:06Zen
dc.date.adate2005-10-07en
dc.date.available2014-03-14T21:47:06Zen
dc.date.issued1996-02-05en
dc.date.rdate2005-10-07en
dc.date.sdate2005-10-07en
dc.description.abstractThe performance of Captor media integration into the aerobic zone of an activated sludge wastewater treatment system operated at low MCRTs was evaluated using a pilot scale Virginia Initiative Project (VIP) process. Two separate trains were operated, one with Captor media incorporated into the aerobic zone of the system, referred to as an Integrated Fixed Film Activated Sludge (IF AS) system, and the other as a control system, i.e., with no media in the aerobic reactors. The wastewater used for this research was pumped from a main municipal sewer of the Blacksburg-VPI Sanitation Authority Collection System. The TKN of the wastewater was supplemented by the addition of urea to maintain the influent ammonia concentration around 55 mg/L as nitrogen. Sodium acetate was added to maintain the influent COD around 450 mg/L and Sodium bicarbonate was added to maintain the pH in the aerobic zone around 7. The system was operated at MCRTs of 1.7, 1.0 and 0.3 days with the operating temperature around 12 C.en
dc.description.degreeMaster of Scienceen
dc.format.extentxii, 150 leavesen
dc.format.mediumBTDen
dc.format.mimetypeapplication/pdfen
dc.identifier.otheretd-10072005-094846en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-10072005-094846/en
dc.identifier.urihttp://hdl.handle.net/10919/45078en
dc.language.isoenen
dc.publisherVirginia Techen
dc.relation.haspartLD5655.V855_1996.L58.pdfen
dc.relation.isformatofOCLC# 34798130en
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectwastewater treatmenten
dc.subject.lccLD5655.V855 1996.L58en
dc.titleUtilization of Captor sponges to maintain nitrification and denitrification in BNR activated sludge at low aerobic MCRTsen
dc.typeThesisen
dc.type.dcmitypeTexten
thesis.degree.disciplineCivil Engineeringen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.levelmastersen
thesis.degree.nameMaster of Scienceen

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