Phosphate removal from return liquor of municipal wastewater treatment plant using iron-reducing bacteria

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dc.contributor.authorIvanov, Volodymyr M.
dc.contributor.authorStabnikov, Victor
dc.contributor.authorZhuang, W. Q.
dc.contributor.authorTay, Joo
dc.contributor.authorTay, Stephen
dc.date.accessioned2013-02-22T07:55:47Z
dc.date.available2013-02-22T07:55:47Z
dc.date.issued2005
dc.description.abstractThe application of iron-reducing bacteria (IRB) for phosphate removal from return liquor (liquid fraction after activated sludge digestion and anaerobic sludge dewatering) of municipal wastewater treatment plant was studied. Methods and Results: Enrichment culture and two pure cultures of IRB, Stenotrophomonas maltophilia BK and Brachymonas denitrificans MK identified by 16S rRNA gene sequencing, were produced using return liquor of WWTP as carbon and energy source and iron hydroxide as oxidant. The final concentration of phosphate increased from 70 to 90 mg l-1 in control and decreased from 70 to 1 mg l-1 in experiment. The mass ratio of removed P to produced Fe(II) was 0.17 g P g-1 Fe(II). S. maltophilia BK showed the ability to reduce Fe(III) using such xenobiotics as diphenylamine, m-cresol, 2,4-dichlorphenol and p-phenylphenol as sole source of carbon under anaerobic conditions. Bacterial reduction of ferric hydroxide enhanced phosphate removal from return liquor. Significance and Impact of Study: An ability of facultative anaerobes Stenotrophomonas maltophilia BK and Brachymonas denitrificans MK to reduce Fe(III) was shown. These bacteria can be used for anaerobic removal of phosphate and xenobiotics by bacterial reduction of ferric ions.uk_UK
dc.identifier.citationPhosphate removal from return liquor of municipal wastewater treatment plant using iron-reducing bacteria / V. Ivanov, V. Stabnikov, W. Zhuang, J. Tay, S. Tay // Journal of Applied Microbiology. – 2005. – Vol. 98, № 5. – P. 1152–1161.uk_UK
dc.identifier.urihttps://dspace.nuft.edu.ua/handle/123456789/6485
dc.language.isoenuk_UK
dc.subjectiron-reducing bacteriauk_UK
dc.subjectphosphateuk_UK
dc.subjectmunicipal wastewateruk_UK
dc.subjectreturn liquoruk_UK
dc.subjectзалізо-відновлювальні бактеріїuk_UK
dc.subjectфосфатuk_UK
dc.subjectміські стічні водиuk_UK
dc.subjectвідхідна водаuk_UK
dc.subjectжелезо-восстанавливающие бактерииuk_UK
dc.subjectгородские сточные водыuk_UK
dc.subjectотходная водаuk_UK
dc.subjectкафедра біотехнології і мікробіології
dc.titlePhosphate removal from return liquor of municipal wastewater treatment plant using iron-reducing bacteriauk_UK
dc.typeArticleuk_UK

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