The removal of nitrogen and phosphorus from reject water of municipal wastewater treatment plant using ferric and nitrate bioreductions

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dc.contributor.authorGuo, Cheng Hong
dc.contributor.authorStabnikov, Victor
dc.contributor.authorIvanov, Volodymyr M.
dc.date.accessioned2013-02-19T14:51:21Z
dc.date.available2013-02-19T14:51:21Z
dc.date.issued2010
dc.description.abstractReject water, which is the liquid fraction produced after dewatering of anaerobically digested activated sludge on the municipal wastewater treatment plants (MWWTPs), contributes up to 80% of the nitrogen and phosphorus loads to the MWWTP. It was proposed to combine the removal of nitrogen from reject water using the sequential biooxidation of and bioreduction of NO3- with precipitation of phosphate by Fe2+ ions produced due to bioreduction of Fe3+ in iron ore. Bioreduction of NO3- decreased Fe3+ bioreduction rate in reject water from 37 to 21 mg Fe2+/L d due to competition between NO3- and Fe3+ for electron donors. Addition of acetate as electron donor increased both bioreduction rates of Fe3+ and NO3- but acetate interfered with the competition between nitrate and phosphate anions reacting with ferrous cations decreasing efficiency of the phosphate removal from reject water. The stages of denitrification and ferric bioreduction/phosphate precipitation must be performed sequentially.uk_UK
dc.identifier.citationGuo, C. The removal of nitrogen and phosphorus from reject water of municipal wastewater treatment plant using ferric and nitrate bioreductions. / C. Guo, V. Stabnikov, V. Ivanov // Bioresource Technology. – 2010. – Vol. 101, № 11. – P. 3992–3999.uk_UK
dc.identifier.urihttps://dspace.nuft.edu.ua/handle/123456789/6424
dc.language.isoenuk_UK
dc.subjectnitrate reductionuk_UK
dc.subjectinhibitionuk_UK
dc.subjectiron oreuk_UK
dc.subjectphosphorus removaluk_UK
dc.subjectinhibitionuk_UK
dc.subjectвідновлення нітратівuk_UK
dc.subjectвідхідна водаuk_UK
dc.subjectзалізна рудаuk_UK
dc.subjectвидалення фосфоруuk_UK
dc.subjectінгібуванняuk_UK
dc.subjectвосстановление нитратовuk_UK
dc.subjectотходная водаuk_UK
dc.subjectжелезная рудаuk_UK
dc.subjectудаление фосфораuk_UK
dc.subjectингибированиеuk_UK
dc.subjectкафедра біотехнології і мікробіології
dc.titleThe removal of nitrogen and phosphorus from reject water of municipal wastewater treatment plant using ferric and nitrate bioreductionsuk_UK
dc.typeArticleuk_UK

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