Development of Hydrogenotrophic Denitritation Process for Municipal Wastewater

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dc.contributor.advisorEldyasti, Ahmed K.
dc.contributor.authorKhalil, Basma Sobhi Khalil Soliman
dc.date.accessioned2020-05-11T12:33:40Z
dc.date.available2020-05-11T12:33:40Z
dc.date.copyright2018-12
dc.date.issued2020-05-11
dc.date.updated2020-05-11T12:33:40Z
dc.degree.disciplineCivil Engineering
dc.degree.levelMaster's
dc.degree.nameMASc - Master of Applied Science
dc.description.abstractShortcut biological nitrogen removal has drawn research attention due to efficient removal of harmful nitrogenous compounds from wastewater by reducing energy and carbon requirements. In this thesis, the main objective is to develop a novel hydrogenotrophic denitritation system, in which high nitrite loading rate is reduced into nitrogen gas released to the air using a mixed bacterial consortium. This was proved first using a fed batch system followed by a sequential batch reactor (SBR) system under nitrite loading rate of 0.4 kg/m3d. The nitrite removal efficiency reached up to 97% and a final nitrite concentration of 5 mgNO2-N/L and a specific denitritation rate of 45 4.5 mgNO2-N/gVSS/d. The current study aims to achieve high rate nitrite removal using hydrogen gas. The proposed model is an important step to facilitate the coupling of this process with partial nitrification processes in a single reactor for side stream wastewater. This would lead to efficient nitrogen removal, and reduction in energy and aeration requirements.
dc.identifier.urihttps://hdl.handle.net/10315/37332
dc.languageen
dc.rightsAuthor owns copyright, except where explicitly noted. Please contact the author directly with licensing requests.
dc.subjectWater resources management
dc.subject.keywordsEnvironmental engineering
dc.subject.keywordsWastewater treatment
dc.subject.keywordsShortcut Biological Nitrogen Removal
dc.subject.keywordsResources Recovery
dc.subject.keywordsMicrobiology
dc.subject.keywordsHydrogenotrophic denitrification
dc.subject.keywordsRecycled Activated Sludge
dc.subject.keywordsSequential batch reactor
dc.subject.keywordsEnvironmentally Friendly
dc.subject.keywordsHydrogen
dc.subject.keywordsBiochemistry
dc.titleDevelopment of Hydrogenotrophic Denitritation Process for Municipal Wastewater
dc.typeElectronic Thesis or Dissertation

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