• Achieving nitritation and anammox enrichment in a single moving-bed biofilm reactor treating reject waterZekker, Ivar; Rikmann, Ergo; Tenno, Taavo; Saluste, Anne; Tomingas, Martin; Menert, Anne; Loorits, Liis; Lemmiksoo, Vallo; Tenno, ToomasEnvironmental technology2012 / p. 703-710 : ill https://pubmed.ncbi.nlm.nih.gov/22629646/
• Achieving nitritation and anammox enrichment in single moving bed biofilm reactor treating reject waterZekker, Ivar; Rikmann, Ergo; Tenno, Toomas; Saluste, Anne; Lemmiksoo, Vallo; Menert, Anne; Loorits, Liis; Tenno, TaavoAGRO 2011 : 8th IWA International Symposium on Waste Management Problems in Agroindustries : Cesme, Izmir, Turkey, 22-24 June 2011 : proceedings. 22011 / p. 827-828 https://www.tandfonline.com/doi/full/10.1080/09593330.2011.588962
• Anammox enrichment from reject water on blank biofilm carriers and carriers containing nitrifying biomass : operation of two moving bed biofilm reactors (MBBR)Zekker, Ivar; Rikmann, Ergo; Tenno, Toomas; Lemmiksoo, Vallo; Menert, Anne; Loorits, Liis; Vabamäe, Priit; Tomingas, Martin; Tenno, TaavoBiodegradation2012 / p. 547-560 : ill https://www.researchgate.net/publication/221811952_Anammox_enrichment_from_reject_water_on_blank_biofilm_carriers_and_carriers_containing_nitrifying_biomass_Operation_of_two_moving_bed_biofilm_reactors_MBBR
• 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 https://www.scopus.com/sourceid/16337 https://www.scopus.com/record/display.uri?eid=2-s2.0-84921673509&origin=inward&txGid=bebddd189bba956fffbf3c2d0cc45ddd https://jcr.clarivate.com/jcr-jp/journal-profile?journal=J%20BIOSCI%20BIOENG&year=2014 https://www.webofscience.com/wos/woscc/full-record/WOS:000345189300012
• 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 https://www.scopus.com/sourceid/21552 https://www.scopus.com/record/display.uri?eid=2-s2.0-84883022377&origin=resultslist&sort=plf-f&src=s&sot=b&sdt=b&s=DOI%2810.1080%2F09593330.2013.803134%29&sessionSearchId=2578bba73f583d2598e5d9854114f0a3 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=ENVIRON%20TECHNOL&year=2013 https://www.webofscience.com/wos/woscc/full-record/WOS:000332322200006
• Effect of bicarbonate concentration on Anaerobic ammonium oxidation for efficient autotrophic nitrogen removalZekker, Ivar; Rikmann, Ergo; Tenno, Toomas; Menert, Anne; Lemmiksoo, Vallo; Kolberg, K.; Tenno, TaavoIWA Specialist Conference Water and Industry : Valladolid, Spain, 1-4 May 2011 : final program2011 / p. 16
• 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 https://www.scopus.com/sourceid/19700175585 https://www.scopus.com/record/display.uri?eid=2-s2.0-84953838922&origin=resultslist&sort=plf-f&src=s&sid=36ceddf0345397a3192e81e230848760&sot=b&sdt=b&s=DOI%2810.1080%2F19443994.2014.984339%29&sl=34&sessionSearchId=36ceddf0345397a3192e81e230848760&relpos=0 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=DESALIN%20WATER%20TREAT&year=2016 https://www.webofscience.com/wos/woscc/full-record/WOS:000367838000027