• 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 bacteria enrichment and phylogenic analysis in moving bed biofilm reactorsZekker, Ivar; Rikmann, Ergo; Tenno, Toomas; Vabamäe, Priit; Tomingas, Martin; Menert, Anne; Loorits, Liis; Tenno, TaavoEnvironmental engineering science2012 / p. 946-950 https://www.liebertpub.com/doi/abs/10.1089/ees.2011.0146?journalCode=ees
• 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
• 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
• 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 https://www.scopus.com/sourceid/21552 https://www.scopus.com/record/display.uri?eid=2-s2.0-84938415060&origin=inward&txGid=1773bd067f16dac628ff21b7702107ef https://jcr.clarivate.com/jcr-jp/journal-profile?journal=ENVIRON%20TECHNOL&year=2015 https://www.webofscience.com/wos/woscc/full-record/WOS:000359774000010
• Nitritating-anammox biomass tolerant to high dissolved oxygen concentration and C/N ratio in treatment of yeast factory wastewaterZekker, Ivar; Rikmann, Ergo; Tenno, Toomas; Seiman, Andrus; Loorits, LiisEnvironmental technology2014 / p. 1565-1576 : ill https://doi.org/10.1080/09593330.2013.874492 https://www.scopus.com/sourceid/21552 https://www.scopus.com/record/display.uri?eid=2-s2.0-84894283296&origin=inward&txGid=383dd1574f3c7a429c443c043e5c7451 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=ENVIRON%20TECHNOL&year=2014 https://www.webofscience.com/wos/woscc/full-record/WOS:000331357100015
• 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
• Start-up of low-temperature anammox in UASB from mesophilic yeast factory anaerobic tank inoculumZekker, Ivar; Rikmann, Ergo; Seiman, Andrus; Loorits, LiisEnvironmental technology2015 / p. 214-225 : ill https://doi.org/10.1080/09593330.2014.941946 https://www.scopus.com/sourceid/21552 https://www.scopus.com/record/display.uri?eid=2-s2.0-84911887840&origin=inward&txGid=b243e48f8d73498cb930282481c7110a https://jcr.clarivate.com/jcr-jp/journal-profile?journal=ENVIRON%20TECHNOL&year=2015 https://www.webofscience.com/wos/woscc/full-record/WOS:000345142500009
• Sulfate-reducing anaerobic ammonium oxidation as a potential treatment method for high nitrogen-content wastewaterRikmann, Ergo; Zekker, Ivar; Tomingas, Martin; Tenno, Toomas; 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. 755-762 https://www.researchgate.net/publication/348845233_Sulfate-reducing_anaerobic_ammonium_oxidation_as_a_potential_treatment_method_for_high_nitrogen-content_wastewater
• Sulfate-reducing anaerobic ammonium oxidation as a potential treatment method for high nitrogen-content wastewaterRikmann, Ergo; Zekker, Ivar; Tomingas, Martin; Tenno, Taavo; Menert, Anne; Loorits, Liis; Tenno, ToomasBiodegradation2012 / p. 509-524 : ill https://www.researchgate.net/publication/348845233_Sulfate-reducing_anaerobic_ammonium_oxidation_as_a_potential_treatment_method_for_high_nitrogen-content_wastewater
• 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