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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/

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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

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Aktiivsöe valmistamise võimalused biomudastPikkov, Lui; Kallas, Juha; Rikmann, ErgoXXIII Eesti keemiapäevad : teaduskonverentsi ettekannete referaadid1997 / lk. 107

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journal article EST / journal article ENG

Ameliorating effect of nitrate on nitrite inhibition for denitrifying P-accumulating organismsZekker, Ivar; Mandel, Anni; Rikmann, Ergo; Jaagura, Madis; Salmar, Siim; Ghangrekar, Makarand Madhao; Tenno, TaavoScience of the total environment2021 / art. 149133, 10 p. : ill https://doi.org/10.1016/j.scitotenv.2021.149133 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

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An investigation and microcalorimetric monitoring of anaerobic treatment of concentrated waste in the cheese industryBlonskaja, Viktoria; Mölder, Heino; Menert, Anne; Rikmann, Ergo; Vilu, RaivoEuropean water management2001 / 1, p. 59-64 : ill

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An investigation and microcalorimetric monitoring of anaerobic treatment of concentrated waste in the cheese industryBlonskaja, Viktoria; Mölder, Heino; Menert, Anne; Rikmann, Ergo; Vilu, RaivoCopenhagen Waste and Water Conference '99 including EcoProcura Copenhagen '99 : The 2nd International Conference on Integrated Sustainable Waste and Water Management and Green Procurement : June 1-3, 1999 : conference proceedings1999 / [3] p

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Anaerobic ammonium oxidation process performance with optimum bicarbonate concentrationZekker, Ivar; Rikmann, Ergo; Tenno, Toomas; Menert, Anne; Tomingas, Martin; Kroon, K.; Vabamäe, Priit; Tenno, TaavoAgricultural research : abstract book from the 4th Annual International Symposium on Agricultural Research : 18-21 July 2011, Athens, Greece2011 / p. 69-71 : ill

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Anaerobic mesophilic digestion of sludge with extra-thermophilic and high pH pre-treatmentMenert, Anne; Rikmann, Ergo; Michelis, Merje; Vaalu, Tarmo; Blonskaja, Viktoria; Vilu, Raivo4th Conference on the Establishment of Cooperation between Companies and Institutions in the Baltic Sea Region (Kalmar Eco-Tech'03) : 25-27 November, 2003, Kalmar, Sweden : book of abstracts2003 / p. 115 https://open.lnu.se/index.php/eco-tech/article/view/2102

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Anaerobic mesophilic digestion of sludge with extra-thermophilic and high pH pre-treatmentMenert, Anne; Rikmann, Ergo; Michelis, Merje; Vaalu, Tarmo; Blonskaja, Viktoria; Vilu, RaivoProceedings of 4th Conference on the Establishment of Cooperation between Companies and Institutions in the Baltic Sea Region2005 / p. 451-463 https://open.lnu.se/index.php/eco-tech/article/view/2102

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Anaeroobse ammoniumlämmastiku oksüdatsiooni protsessi kiirendamine NH2OH ja N2H4-gaZekker, Ivar; Kroon, K.; Rikmann, Ergo; Tenno, Toomas; Menert, Anne; Tenno, TaavoXXXII Eesti Keemiapäevad : teaduskonverentsi teesid2011 / lk. 114 https://www.ester.ee/record=b2679915*est

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Analysis of extracellular polymeric substances from pre-treated sludge by high-performance size exclusion chromatographyLepane, Viia; Menert, Anne; Michelis, Merje; Rikmann, Ergo; Vilu, RaivoInternational Symposium Analytical Forum 2004 : Warsaw, Poland : Book of abstracts2004 / p. 202

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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

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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

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ANAMMOX-denitrification biomass in microbial fuel cell to enhance the electricity generation and nitrogen removal efficiencyZekker, Ivar; Bhowmick, Gourav Dhar; Priks, Hans; Nath, Dibyojyoty; Rikmann, Ergo; Jaagura, MadisBiodegradation2020 / p. 249 - 264 https://doi.org/10.1007/s10532-020-09907-w Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

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Biolagunevate jäätmete fermentatsioon taastuvate energiaallikate saamiseksMenert, Anne; Michelis, Merje; Rikmann, Ergo; Blonskaja, Viktoria; Kaljurand, Mihkel; Kallaste, TiitTEUK XII : taastuvate energiaallikate uurimine ja kasutamine : kaheteistkümnenda konverentsi kogumik2010 / lk. 49-59 : ill

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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

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Characteristics of activated carbon produced from biosludge and its use in wastewater post-treatmentPikkov, Lui; Kallas, Juha; Rüütmann, Tiia; Rikmann, ErgoEnvironmental technology2001 / p. 229-236 : ill

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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

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journal article EST / journal article ENG

Enhanced efficiency of nitritating-anammox sequencing batch reactor achieved at low decrease rates of oxidation-reduction potentialZekker, Ivar; Kivirüüt, Aimar; Rikmann, Ergo; Mandel, Anni; Jaagura, Madis; Tenno, Toomas; Artemchuk, Oleg; Rubin, Sergio Dc; Tenno, TaavoEnvironmental Engineering Science2019 / p. 350-360 https://doi.org/10.1089/ees.2018.0225 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

journal article EST / journal article ENG

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Influence of thermal pre-treatment on mesophilic anaerobic digestion of sludgesMenert, Anne; Vaalu, Tarmo; Michelis, Merje; Blonskaja, Viktoria; Rikmann, Ergo; Mets, Aita; Vilu, RaivoThe 7th International Conference : Environmental Engineering : May 22-23, 2008, Vilnius, Lithuania : selected papers. Volume II, Water engineering. Energy for buildings2008 / p. 625-635 : ill

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Mainstream-sidestream wastewater switching promotes anammox nitrogen removal rate in organic-rich, low-temperature streamsZekker, Ivar; Raudkivi, Markus; Artemchuk, Oleg; Rikmann, Ergo; Priks, Hans; Jaagura, Madis; Tenno, TaavoEnvironmental technology2021 / 10 p. : ill https://doi.org/10.1080/09593330.2020.1721566 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

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Modification of nitrifying biofilm into nitritating one by combination of increased free ammonia concentrations, lowered HRT and dissolved oxygen concentrationZekker, Ivar; Rikmann, Ergo; Tenno, Toomas; Menert, Anne; Lemmiksoo, Vallo; Saluste, Anne; Tenno, Taavo; Tomingas, MartinJournal of environmental sciences2011 / p. 1113-1121 : ill https://www.sciencedirect.com/science/article/pii/S1001074210605232

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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

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Possibilities of production of active carbon from biological sludgePikkov, Lui; Kallas, Juha; Rikmann, Ergo23rd Estonian Chemistry Days : abstracts of scientific conference1997 / p. 117

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Research of specific nitrite oxidation rate on high surfaced biofilms carriers with free ammonia and temperature variationsZekker, Ivar; Tenno, Toomas; Tenno, Taavo; Lemmiksoo, Vallo; Rikmann, Ergo; Menert, Anne; Kolberg, K.3rd EuCheMS Chemistry Congress : Chemistry - the Creative Force : 29.08.-02.09.2010, Nürnberg, Germany : [abstracts]2010 / [1] p https://www.etis.ee/Portal/Publications/Display/e183db0e-18fc-43e3-9bab-bdc76c638e92

book article

Rikmann, Ergo (author)

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