Biological treatment of anaerobic digester supernatant by anaerobic ammonium oxidation method in UASB systemTomingas, Martin; Zekker, Ivar; Rikmann, Ergo; Tenno, Toomas; Menert, Anne; Kroon, Kristel; Tenno, TaavoSustainChem2011 : International Conference on Materials and Technologies for Green Chemistry jointly with Workshop of COST Action CM0903 (UBIOCHEM-II) : September 5-9, 2011, Tallinn, Estonia : abstract book and program2011 / p. 140

Comparison of sulfate-reducing and conventional Anammox upflow anaerobic sludge blanket reactorsRikmann, Ergo; Zekker, Ivar; Tomingas, Martin; Vabamäe, Priit; Kroon, Kristel; Saluste, Alar; Tenno, Taavo; Menert, Anne; Rubin, Sergio S.C.Journal of bioscience and bioengineering2014 / p. 426-433 : ill https://doi.org/10.1016/j.jbiosc.2014.03.012 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Deammonification process start-up after enrichment of anammox microorganisms from reject water in a moving-bed biofilm reactorZekker, Ivar; Rikmann, Ergo; Tenno, Toomas; Kroon, Kristel; Vabamäe, Priit; Salo, Erik; Tenno, Taavo; Loorits, Liis; Dc Rubin, Sergio S. C.; Vlaeminck, Siegfried E.Environmental Technology (United Kingdom)2013 / p. 3095 - 3101 https://doi.org/10.1080/09593330.2013.803134 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Nitric oxide for anammox recovery in a nitrite-inhibited deammonification systemZekker, Ivar; Rikmann, Ergo; Tenno, Toomas; Loorits, Liis; Kroon, Kristel; Fritze, Hannu; Tuomivirta, Tero; Vabamäe, Priit; Raudkivi, Markus; Mandel, Anni; Rubin, Sergio S.C.; Tenno, TaavoEnvironmental Technology (United Kingdom)2015 / p. 2477 - 2487 https://doi.org/10.1080/09593330.2015.1034791 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Rapid start- up of autotrophic nitrogen removal process after inoculation with microorganisms from yeast factory anaerobic tankZekker, Ivar; Kroon, Kristel; Pitk, Peep; Loorits, LiisTÜ ja TTÜ doktorikool “Funktsionaalsed materjalid ja tehnoloogiad”2013 / [1] p. : ill

Step-wise temperature decreasing cultivates a biofilm with high nitrogen removal rates at 9°C in short-term anammox biofilm testsZekker, Ivar; Rikmann, Ergo; Mandel, Anni; Kroon, Kristel; Seiman, Andrus; Mihkelson, Jana; Tenno, Taavo; Tenno, ToomasEnvironmental technology2016 / p. 1933 - 1946 https://doi.org/10.1080/09593330.2015.1135995 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Sulfate-reducing anammox for sulfate and nitrogen containing wastewatersRikmann, Ergo; Zekker, Ivar; Tomingas, Martin; Tenno, Toomas; Loorits, Liis; Vabamäe, Priit; Mandel, Anni; Raudkivi, Markus; Daija, Laura; Kroon, Kristel; Tenno, TaavoDesalination and Water Treatment2016 / p. 3132 - 3141 https://doi.org/10.1080/19443994.2014.984339 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS