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Acta Chimica Slovaca

The Journal of Slovak University of Technology in Bratislava

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1337-978X
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Alternative processes of nitrogen removal from wastewater — startup of nitritation reactor

Ngoc Cao Thanh Hong
  • Corresponding author
  • Department of Environmental Engineering, Faculty of Chemical and Food Technology, Slovak University of Technology, Radlinskeho 9, 812 37 Bratislava, Slovak Republic
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/ Stanislava Vlčková
  • Department of Environmental Engineering, Faculty of Chemical and Food Technology, Slovak University of Technology, Radlinskeho 9, 812 37 Bratislava, Slovak Republic
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/ Miloslav Drtil
  • Department of Environmental Engineering, Faculty of Chemical and Food Technology, Slovak University of Technology, Radlinskeho 9, 812 37 Bratislava, Slovak Republic
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Published Online: 2017-06-23 | DOI: https://doi.org/10.1515/acs-2017-0012

Abstract

Efficient nitritation was tested in SBR with the aim to accumulate nitrites and to minimize nitrates production in reject wastewater with 500 mg L-1 (NH4++ NH3)-N and with different molar ratios of HCO3-: (NH4++ NH3)-N (1.1-2.1). More than 80 % efficiency of nitritation and permanent inhibition of NOB were achieved at the ratios of 1.71.9 and at the loading of 0.16-0.6 kg (NH4++ NH3)-N m-3 d-1. Under these conditions, the outflow pH was in the range of 5.9-6.5, outflow c (NO2- + HNO2)-N increased up to 400 mg L-1 and c (NO3-)-N dropped below 50 mg L-1. Undissociated HNO2 was confirmed as the main inhibitor of NOB.

Keywords: AOB; nitritation; NOB inhibition; sequencing batch reactor; sludge reject water

References

  • Anthonisen AC, Loehr RC, Prakasam TBS, Srinath EG (1976) Journal Water Pollut. Control Federation 48: 835-852.Google Scholar

  • Drtil M, Hutňan M (2013) Technologický projekt. Fakulta chemickej a potravinárskej technológie STU v Bratislave.Google Scholar

  • Drtil M, Imreová Z (2016) Proceeding of the 9 biennial Conference AČE SR Odpadové vody/Wastewaters, Štrbské Pleso, 19-21 October 2016: 363-368.Google Scholar

  • Imreová Z, Drtil M (2014) Vodní hospodářství 64/10: 5-10.Google Scholar

  • Imreová Z, Drtil M (2015) Vodní hospodářství 65/10: 7-10.Google Scholar

  • Jenicek P, Svehla P, Zabranska J, Dohanyos M (2004) Water Sci. Technol. 5-6: 73-79.Google Scholar

  • Kouba V, Hejnic J, Widiayuningrum P, Bartáček J (2015) Vodní hospodářství 65/6: 1-4.Google Scholar

  • Lackner S, Gilbert EM, Vlaeminck SE, Joss A, Horn H, van Loosdrecht MCM (2014) Water Research 55: 292-303.CrossrefGoogle Scholar

  • Pitter P (2009) Hydrochemie, 5th Edition. Vydavateľství VŠCHT Praha.Google Scholar

  • Radechovský J, Švehla P, Pacek L, Hrnčířová H, Hloušek T, Nečada S (2015) Vodní hospodářství 65/3: 10-12.Google Scholar

  • Svehla P, Bartacek J, Pacek L, Hrncirova H, Radechovsky J, Hanc A, Jenicek P (2014) Chemical Papers 68/7: 871-878.Google Scholar

About the article

Published Online: 2017-06-23

Published in Print: 2017-04-25


Citation Information: Acta Chimica Slovaca, ISSN (Online) 1337-978X, DOI: https://doi.org/10.1515/acs-2017-0012.

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© Faculty of Chemical and Food Technology, Slovak University of Technology in Bratislava . This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License. BY-NC-ND 4.0

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