See veebileht kasutab küpsiseid kasutaja sessiooni andmete hoidmiseks. Veebilehe kasutamisega nõustute ETISe kasutustingimustega. Loe rohkem
Olen nõus

Ergo Rikmann

https://www.etis.ee/CV/Ergo_Rikmann/est
8.06.1973
737 5181
56 912 374
ergo.rikmann@ut.ee

Teenistuskäik

Töökohad ja ametid
01.01.2020–...   
Tartu Ülikool, Loodus- ja täppisteaduste valdkond, keemia instituut, keemik (0,60)
2010–...   
Tartu Ülikool, lepinguline töötaja (1,00)
01.02.2016–31.12.2019   
Tartu Ülikool, Loodus- ja täppisteaduste valdkond, keemia instituut, keemik (1,00)
01.01.2016–31.01.2016   
Tartu Ülikool, Loodus- ja täppisteaduste valdkond, keemia instituut, keemik (0,90)
01.01.2015–31.12.2015   
Tartu Ülikool, Loodus- ja tehnoloogiateaduskond, Tartu Ülikooli Keemia Instituut, keemik (0,90)
01.10.2013–31.12.2014   
Tartu Ülikool, Loodus- ja tehnoloogiateaduskond, Tartu Ülikooli Keemia Instituut, keemik (1,00)
01.04.2011–30.09.2013   
Tartu Ülikool, Loodus- ja tehnoloogiateaduskond, Tartu Ülikooli Keemia Instituut, keemik (0,90)
2007–31.12.2007   
Tallinna Tehnikaülikool, Matemaatika-loodusteaduskond, Keemiainstituut, grandi põhitäitja (1,00)
01.01.1999–31.12.2005   
PIC Eesti AS (praegune Sweco Eesti AS)
 
 
Haridustee
1992–1997   
Tallinna Tehnikaülikool, Keemiatehnika õppesuund
 
 
Lisainfo
Google Scholar profiil: https://scholar.google.com/citations?user=2DmDjg4AAAAJ&hl=en&oi=ao
;

Kvalifikatsioon

Teaduskraadid
Ergo Rikmann, doktorikraad, 2019, (juh) Toomas Tenno; Anne Menert, Autotrophic nitrogen removal and relevant equilibrial processes (Autotroofne lämmastikuärastus ja sellega seotud tasakaalulised protsessid), Tartu Ülikool, Loodus- ja täppisteaduste valdkond, keemia instituut.
Ergo Rikmann, magistrikraad (teaduskraad), 2000, (juh) Raivo Vilu, Vadaku anaeroobse töötlemise tehnoloogia väljatöötamine, Tallinna Tehnikaülikool, Keemia ja materjalitehnoloogia teaduskond.
 
 
Teadustöö põhisuunad
ETIS KLASSIFIKAATOR: 1. Bio- ja keskkonnateadused; 1.8. Keskkonnaseisundit ja keskkonnakaitset hõlmavad uuringud; CERCS KLASSIFIKAATOR: T270 Keskkonnatehnoloogia, reostuskontroll
ETIS KLASSIFIKAATOR: 1. Bio- ja keskkonnateadused; 1.9. Keskkonnaohtlikke aineid käsitlevad uuringud; CERCS KLASSIFIKAATOR: P305 Keskkonnakeemia
ETIS KLASSIFIKAATOR: 4. Loodusteadused ja tehnika; 4.11. Keemia ja keemiatehnika; CERCS KLASSIFIKAATOR: P400 Füüsikaline keemia
 
 
Lisainfo
Uuringud autotroofilise lämmastikuärastuse, tasakaaluliste protsesside ja biomaterjalide põhiste komposiitmaterjalide alal.

Jooksvad projektid

Lõppenud projektid

Juhendatud väitekirjad

Publikatsioonid

Klass
Aasta
Publikatsioon
 
1.1.
2019
Zekker, Ivar; Kiviruut, Aimar; Rikmann, Ergo; Mandel, Anni; Jaagura, Madis; Tenno, Toomas; Artemchuk, Oleg; Rubin, Sergio dC; Tenno, Taavo (2019). Enhanced Efficiency of Nitritating-Anammox Sequencing Batch Reactor Achieved at Low Decrease Rates of Oxidation-Reduction Potential. Environmental Engineering Science, 36 (3), 350−360.10.1089/ees.2018.0225.
1.1.
2018
Rikmann, E.; Zekker, I.; Tenno, T.; Saluste, A.; Tenno, T. (2018). Inoculum-free start-up of biofilm- and sludge-based deammonification systems in pilot scale. International Journal of Environmental Science and Technology, 15 (1), 133−148.10.1007/s13762-017-1374-3.
1.1.
2018
Liiv, Juri; Teppand, Tonis; Rikmann, Ergo; Tenno, Toomas (2018). Novel ecosustainable peat and oil shale ash-based 3D-printable composite material. Sustainable Materials and Technologies , 17, UNSP e00067.10.1016/j.susmat.2018.e00067.
1.1.
2018
Tenno, Toomas; Rikmann, Ergo; Zekker, Ivar; Tenno, Taavo (2018). Modelling the solubility of sparingly soluble compounds depending on their particles size. Proceedings of the Estonian Academy of Sciences, 67 (3, 2), 300−302.10.3176/proc.2018.3.10.
1.1.
2017
Tenno, Toomas; Uiga, Kalev; Mashirin, Alexsey; Zekker, Ivar; Rikmann, Ergo (2017).

Modelling Closed Equilibrium Systems of H2O–dissolved CO2–solid CaCO3

. Journal of Physical Chemsitry A, 121 (16), 3094−3100.10.1021/acs.jpca.7b00237.
1.1.
2017
Raudkivi, Markus; Zekker, Ivar; Rikmann, Ergo; Vabamae, Priit; Kroon, Kristel; Tenno, Taavo (2017). Nitrite inhibition and limitation - the effect of nitrite spiking on anammox biofilm, suspended and granular biomass. Water Science and Technology, 75 (2), 313−321.10.2166/wst.2016.456.
1.1.
2016
Toomas Tenno, Ergo Rikmann, Ivar Zekker, Taavo Tenno, Laura Daija, Alexey Mashirin (2016). Modelling equilibrium distribution of carbonaceous ions and molecules in a heterogeneous system of CaCO3–water–gas. Proceedings of the Estonian Academy of Sciences. Chemistry, 65 (1), 68−77.10.3176/proc.2016.1.07.
1.1.
2016
Zekker, Ivar; Rikmann, Ergo; Mandel, Anni; Kroon, Kristel; Seiman, Andrus; Mihkelson, Jana; Tenno, Taavo; Tenno, Toomas (2016). Step-wise temperature decreasing cultivates a biofilm with high nitrogen removal rates at 9 degrees C in short-term anammox biofilm tests. Environmental Technology, 37 (15), 1933−1946.10.1080/09593330.2015.1135995.
1.1.
2016
Daija, Laura; Selberg, Aare; Rikmann, Ergo; Zekker, Ivar; Tenno, Taavo; Tenno, Toomas (2016). The influence of lower temperature, influent fluctuations and long retention time on the performance of an upflow mode laboratory-scale septic tank. Desalination and Water Treatment, 57 (40), 18679−18687.10.1080/19443994.2015.1094421.
1.2.
2016
Zekker, I.; Rikmann, E.; Mandel, A.; Raudkivi, M.; Kroon, K.; Loorits, L.; Seiman, A.; Fritze, H.; Vabamäe, P.; Tenno, T.; Tenno, T. (2016). Increased Nitrogen Removal in Cold Deammonification Biofilm Reactor (9-15°c) By Smooth Temperature Decreasing. Environmental and Ecological Engineering, 2, 1933−1946.10.1080%2F09593330.2015.1135995.
1.1.
2015
Rikmann, E.; Zekker, I.; Tomingas, M.; Tenno, T.; Loorits, L.; Vabamäe, P.; Mandel, A.; Raudkivi, M.; Daija, L.; Kroon, K.; Tenno, T. (2015). Sulfate-reducing Anammox for Sulfate and Nitrogen Containing Wastewaters. Desalination and Water Treatment, 57 (7), 3132−3141.10.1080/19443994.2014.984339.
1.1.
2015
Zekker, I.; Rikmann, E.; Tenno, T.; Loorits, L.; Kroon, K.; Vabamäe, P.; Mandel, A.; Raudkivi, M.; Daija, L.; RUBIN, S. S.C. DC.; Tenno, T. (2015). Nitric oxide for anammox recovery in nitrite-inhibited deammonification system. Environmental Technology, 36 (19), 2477−2487.10.1080/09593330.2015.1034791.
1.2.
2015
Zekker, I.; Rikmann, E.; Mandel, A.; Raudkivi, M.; Kroon, K.; Loorits, L.; Seiman, A.; Tenno, T.; Tenno, T. (2015). SMOOTH TEMPERATURE DECREASING FOR NITROGEN REMOVAL IN COLD (9-15° C) ANAMMOX BIOFILM REACTOR TESTS. European Scientific Journal, 508−525.
3.2.
2015
Zekker, I.; Rikmann, E.; Mandel, A.; Raudkivi, M.; Kroon, K.; Loorits, L.; Tenno, T.; Tenno, T. (2015). High nitrite concentration inhibits nitrite-adapted granular anammox biomass less compared to biofilm. ICSD, Belgrad, 12-15 nov 2015. ICSD, XX−XX.
3.2.
2015
Zekker, I.; Rikmann, E.; Mandel, A.; Kroon, K.; Seiman, A.; Tenno, T.; Tenno, T. (2015). Increased Nitrogen Removal In Cold (9-15° C) Deammonification Biofilm By Smooth Temperature Decrease. The 12th IWA Leading Edge Conference on Water and Wastewater Technologies, 30 may-3rd june, Hong Kong, China. IWA , XX−XX.
3.2.
2015
Zekker, I.; Rikmann, E.; Mandel, A.; Raudkivi, M.; Kroon, K.; Loorits, L.; Seiman, A.; Tenno, T.; Tenno, T. (2015). SMOOTH TEMPERATURE DECREASING FOR NITROGEN REMOVAL IN COLD (9-15° C) ANAMMOX BIOFILM REACTOR TESTS. 3rd Annual International Interdisciplinary Conference AIIC 2015 08-11, July, Azores, Portugal,. AIIC, 13−13.
3.4.
2015
Zekker, I.; Rikmann, E.; Mandel, A.; Raudkivi, M.; Kroon, K.; Loorits, L.; Seiman, A.; Fritze, H.; Vabamäe, P.; Tenno, T.; Tenno, T. (2015). NITRIC OXIDE FOR ANAMMOX RECOVERY IN NITRITE-INHIBITED DEAMMONIFICATION. XVth World Water Congress, 25 - 29 May, Edinburgh, Scotland. IWA , XX−XX.
1.1.
2014
Rikmann, Ergo; Zekker, Ivar; Tomingas, Martin; Vabamaee, Priit; Kroon, Kristel; Saluste, Alar; Tenno, Taavo; Menert, Anne; Loorits, Liis; Rubin, Sergio S. C. dC; Tenno, Toomas (2014). Comparison of sulfate-reducing and conventional Anammox upflow anaerobic sludge blanket reactors. Journal of Bioscience and Bioengineering, 118 (4), 426−433.10.1016/j.jbiosc.2014.03.012.
1.1.
2014
Zekker, I; Rikmann, E; Tenno, T; Seiman, A; Loorits, L; Kroon, K; Tomingas, M; Vabamäe, P; Tenno, T. (2014). Nitritating-anammox biomass tolerant to high dissolved oxygen concentration and C/N ratio in treatment of yeast factory wastewater. Environmental Technology, 35 (12), 1565−1576.
1.1.
2014
Zekker, I; Rikmann, E; Loorits, L; Tenno, T; Fritze, H; Tuomivirta, T; Kroon, K; Vabamäe, P; Seiman, A; Raudkivi, M; Mandel, A; Tenno, T. (2014). Start-up of low temperature anammox in UASB from mesophilic yeast factory anaerobic tank inoculum. Environmental Technology, 36 (2), 214−225.10.1080/09593330.2014.941946.
3.4.
2014
Zekker, I; Rikmann, E; Mandel, A; Mihkelson, J; Tenno, T; Kroon, K; Tenno, T. (2014). Increased Nitrogen Removal in Cold 9-15°C Deammonification Biofilm Reactor Tests by Smooth temperature lowering. Global conference on energy, soil, water, air and environment, Dubai-United Arab Emirates, December11-12.: Global conference on energy, soil, water, air and environment, Dubai-United Arab Emirates, December11-12.. 7−7.
5.2.
2014
Zekker, I; Rikmann, E; Tenno, T; Kroon, K; Vabamäe, P; Salo, E; Raudkivi, M; Loorits, L; Tenno, T. (2014). DEAMMONIFICATION PROCESS START-UP AFTER ENRICHMENT OF ANAMMOX MICROORGANISMS FROM REJECT WATER IN A MOVING BED BIOFILM REACTOR (MBBR). Conference Program IWA 6TH YOUNG WATER PROFESSIONALS CONFERENCE «EAST MEETS WEST» EASTERN EUROPEAN. ISTANBUL TURKEY 28-30 MAY 2014,.
5.2.
2014
ZEKKER, I; RIKMANN, E; TENNO, T; LOORITS, L; KROON, K; FRITZE, H; TUOMIVIRTA, T; VABAMÄE, P; RAUDKIVI, M; MANDEL, A; DC. RUBIN, S; TENNO, T. (2014). NITRIC OXIDE FOR ANAMMOX RECOVERY IN NITRITE-INHIBITED DEAMMONIFICATION SYSTEM. Crete, Chania, 2014, 2-5 sept 4th Int Conf on Hazardous Waste management. Crete, Chania,.
1.1.
2013
ZEKKER, I; RIKMANN, E; TENNO, T; KROON, K; VABAMÄE, P; SALO, E; LOORITS, L; RUBIN, S; TENNO, T (2013). Deammonification process start-up after enrichment of anammox microorganisms from reject water in a moving bed biofilm reactor (MBBR). Environmental Technology, 34 (23), 3095−3101.10.1080/09593330.2013.803134.
3.4.
2013
Zekker, I; Kroon, K; Pitk, P; Rikmann, E; Tenno, T; Vabamäe, P; Loorits, L; Rubin, S; Fritze, H; Tuomivirta, T; Tenno, T. (2013). Anaerobic Ammonium Oxidation in Upflow Anaerobic Sludge Blanket Reactor for Reject Water Treatment. 6th Annual International Conference on Agriculture, 15-18 July 2013: Abstract Book. Ed. Papanikos, G. Athens, Greece, 77.
5.2.
2013
Zekker, I.; Rikmann, E.; Kroon, K.; Vabamäe, P.; Tenno, T.; Loorits, L.; Tenno, T. (2013). ANAEROOBSE AMMONIUMLÄMMASTIKU OKSÜDATSIOONI PROTSESSI KIIRE KÄIVITAMINE SPETSIIFILISE SEEMNEMUDATA. Eesti XXXIII Keemiapäevad; Tallinn, Eesti; 11 Oct, 2013. 75−75.
5.2.
2013
Rikmann, E.; Zekker, I.; Saluste, A.; Tenno, T.; Tenno, T. (2013). Autotroofse lämmastikuärastuse käivitamine pilootskaalas. Eesti XXXIII Keemiapäevad; Tallinn, Eesti; 11 Oct, 2013..
5.2.
2013
ZEKKER, Ivar; RIKMANN, Eergo; TENNO, Toomas; KROON, Kristel; VABAMÄE, Priit; Fritze, Hannu; Tuomivita, Tero; LOORITS, Liis; RUBIN, S; TENNO, Taavo (2013). Deammonification process start-up after enrichment of anammox microorganisms from reject water in a moving bed biofilm reactor (MBBR). Book of Abstracts Down to Earth, Tallinn University , Estonia: The 2nd Conference of Doctoral School of Earth Sciences and Ecology, Down to Earth; Tallinn University; Estonia; 16-17 May, 2013. Tallinn, 65−65.
5.2.
2013
ZEKKER, I; RIKMANN, E; TENNO, T; KROON, K; VABAMÄE, P; SALO, E; LOORITS, L; RUBIN, S; TENNO, T. (2013). Deammonification process start-up after enrichment of anammox microorganisms from reject water in a moving bed biofilm reactor (MBBR). Asset Management for Enhancing Energy Efficiency in Water and Wastewater Systems; Marbella, Hispaania; 2013, 24-26 april. Marbella, Hispaania,.
5.2.
2013
Zekker, I; Kroon, K; Pitk, P; Rikmann, E; Tenno, T; Vabamäe, P; Loorits, L; Rubin, S; Fritze, H; Tuomivirta, T; Tenno, T. (2013). Rapid start- up of autotrophic nitrogen removal process after inoculation with microorganisms from yeast factory anaerobic tank. TÜ ja TTÜ doktorikooli “Funktsionaalsed materjalid ja tehnoloogiad” kolmas teaduskonverents; Tallinn, Eesti; 07.-08.03.2013. Tallinn,.
5.2.
2013
Rikmann, E; Saluste, A; Zekker, I; Selberg, A; Tenno, T; Tenno, T. (2013). Start- up of autotrophic nitrogen removal of reject water from anaerobic digestion of municipal wastewater sludge. TÜ ja TTÜ doktorikooli “Funktsionaalsed materjalid ja tehnoloogiad” kolmas teaduskonverents; Tallinn, Eesti; 07.-08.03.2013. Tallinn,.
1.1.
2012
Zekker, I.; Rikmann, E.; Tenno, T.; Vabamäe, P.; Tomingas, M.; Menert, A.; Loorits, L.; Tenno, T. (2012). Anammox Bacteria Enrichment and Phylogenic Analysis in Moving Bed Biofilm Reactors. Environmental Engineering Science, 29 (10), 946−950.10.1089/ees.2011.0146.
1.1.
2012
Zekker, I.; Rikmann, E.; Tenno, T.; Lemmiksoo, V.; Menert, A.; Loorits, L.; Vabamäe, P.; Tomingas, M.; Tenno, T. (2012). Anammox enrichment from reject water on blank biofilm carriers and carriers containing nitrifying biomass: operation of two moving bed biofilm reactors (MBBR). Biodegradation, 23 (4), 547−560.10.1007/s10532-011-9532-7.
1.1.
2012
Rikmann, E.; Zekker, I.; Tomingas, M.; Tenno, T.; Menert, A.; Loorits, L.; Tenno, T. (2012). Sulfate-reducing anaerobic ammonium oxidation as a potential treatment method for high nitrogen-content wastewater. Biodegradation, 23 (4), 509−524.10.1007/s10532-011-9529-2.
1.1.
2012
Zekker, I.; Rikmann, E.; Tenno, T.; Saluste, A.; Tomingas, M.; Menert, A.; Loorits, L.; Lemmiksoo, V.; Tenno, T. (2012). Achieving nitritation and anammox enrichment in single moving- bed biofilm reactor treating reject water. Environmental Technology, 33 (6), 703−710.10.1080/09593330.2011.588962.
1.1.
2012
Rikmann, E.; Zekker, I.; Kroon, K.; Saluste, A.; Vabamäe, P.; Tenno, T; Menert, A.; Loorits, L.; Tenno, T. (2012). Sulfate- reducing and nitrite-dependent anammox for ammonium removal. Communications in Agricultural and Applied Biological Sciences, 77, 1, 227−230.
1.1.
2012
Zekker, I.; Kroon, K.; Rikmann, E.; Tenno, T.; Tomingas, M.; Vabamäe, P.; Vlaeminck, S.E.; Tenno, T. (2012). Accelerating effect of hydroxylamine and hydrazine on nitrogen removal rate in moving bed biofilm reactor. Biodegradation, 23 (5), 739−749.10.1007/s10532-012-9549-6.
1.1.
2012
Zekker, Ivar; Rikmann, Ergo; Tenno, Toomas; Vabamäe, Priit; Kroon, Kristel; Loorits, Liis; Saluste, Alar; Tenno, Taavo (2012). Effect of HCO3- concentration on anammox nitrogen removal rate in a moving bed biofilm reactor. Environmental Technology, 33 (20), 2263−2271.10.1080/09593330.2012.665487.
1.2.
2012
Zekker, I; Rikmann, E; Tenno, T; Vabamäe, P; Kroon, K; Tomingas, M; Rubin, S. S.C. dC; Salo, E; Tenno, T. (2012). Anammox SBR for treatment of yeast factory wastewater. Hydrology: Current research, 3 (4, 4), 67−67.
5.2.
2012
Zekker, I.; Rikmann, E.; Tenno, T.; Vabamäe, P.; Kroon, K.; Saluste, A.; Tenno, T. (2012). Ammonium removal by sulfate- reducing and nitrite- dependent anammox. The 14th International Symposium on Microbial Ecology, ISME14; Copenhagen, Denmark; 19-24 August 2012.. 32−32.
5.2.
2012
Zekker, I.; Rikmann, E.; Tenno, T.; Vabamäe, P.; Kroon, K.; Tomingas, M.; Saluste, A.; Tenno, T. (2012). Floc-based anammox biomass stability in SBR treating yeast factory wastewater. Scientific Programme: 4th Euchems Chemistry Congress, Praha, Tsehhi. 26-30 Aug. 2012.
5.2.
2012
Zekker, I; Rikmann, E; Tenno, T; Vabamäe, P; Kroon, K; Tomingas, M; Salo, E; Tenno, T. (2012). Anammox SBR for treatment of yeast factory wastewater. International conference on Hydrology and groundwater Expo, San Antonio, USA, 10-12 Sept 2012: International conference on Hydrology and groundwater Expo, San Antonio, USA, 10-12 Sept 2012. San Antonio, USA,.
1.1.
2011
Zekker, Ivar; Rikmann, Ergo; Tenno, Toomas; Menert, Anne; Lemmiksoo, Vallo; Saluste, Alar; Tenno, Taavo; Tomingas, Martin (2011). Modification of nitrifying biofilm into nitritating one by combination of increased free ammonia concentrations, lowered HRT and dissolved oxygen concentration. Journal of Environmental Sciences, 23 (7), 1113−1121.10.1016/S1001-0742(10)60523-2.
3.2.
2011
Zekker, I.; Rikmann, E.; Tenno, T.; Saluste, A.; Lemmiksoo, V.; Menert, A.; Loorits, L.; Tenno, T. (2011). Achieving nitritation and anammox enrichment in single moving bed biofilm reactor treating reject water. AGRO 2011, 8th IWA International Symposium on Waste Management Problems in Agroindustries. Cesme, Izmir, Turkey, 22-24 June 2011. Proceedings, 2: AGRO 2011, 8th IWA International Symposium on Waste Management Problems in Agroindustries. 827−828.
3.2.
2011
Rikmann, E.; Zekker, I.; Tomingas, M.; Tenno, T.; Menert, A.; Loorits, L.; Tenno, T. (2011). Sulfate-reducing anaerobic ammonium oxidation as a potential treatment method for high nitrogen-content wastewater. AGRO 2011, 8th IWA International Symposium on Waste Management Problems in Agroindustries. Cesme, Izmir, Turkey, 22-24 June 2011. Proceedings, 2: AGRO 2011, 8th IWA International Symposium on Waste Management Problems in Agroindustries. 755−762.
5.2.
2011
Zekker, I.; Rikmann, E.; Tenno, T.; Menert, A.; Lemmiksoo, V.; Kolberg, K.; Tenno, T. (2011). Effect of bicarbonate concentration on Anaerobic ammonium oxidation for efficient autotrophic nitrogen removal. IWA Specialist Conference Water and Industry. Valladolid, Spain, 1-4 May 2011 : Final Program. Valladolid, Spain, 16.
5.2.
2011
Zekker, I.; Tenno, T.; Tenno, T.; Lemmiksoo, V.; Rikmann, E.; Menert, A.; Kolberg, K.; Tomingas, M.; Kroon, K.; Vabamäe, P. (2011). Specific nitrite oxidation rate on high surfaced biofilm carriers dependent on free ammonia and temperature. 2nd Workshop on Bacterial and Fungal Biofilms, Ghent University Center for Sociomicrobiology, 22 September 2011. Ghent, Belgium,.
5.2.
2011
Zekker, I.; Rikmann, E.; Tenno, T.; Menert, A.; Kroon, K.; Tomingas, M.; Vabamäe, P.; Tenno, T. (2011). Anaerobic ammonium oxidation process performance with optimum bicarbonate concentration. Agricultural Research. Abstract Book from the 4th Annual International Symposium on Agricultural Research 18-21 July 2011, Athens, Greece: 4th Annual International Symposium on Agriculture, 18-21 July 2011, Athens, Greece. Ed. Gregory T. Papanikos. The Athens Institute for Education and Research, 69−71.
5.2.
2011
Tomingas, M.; Zekker, I.; Rikmann, E.; Tenno, T.; Menert, A.; Kroon, K.; Tenno, T. (2011). Biological treatment of anaerobic digester supernatant by anaerobic ammonium oxidation method in UASB system. Abstract Book & Program: International Conference on Materials and Technologies for Green Chemistry, 5-9 September 2011, Talllinn, Estonia. Ed. Borissova, M. 140.
5.2.
2011
Zekker, I.; Kroon, K.; Rikmann, E., Tenno, T.; Menert, A. Tenno, T. (2011). Anaeroobse ammooniumilämmastiku oksüdatsiooni protsessi kiirendamine NH2OH ja N2H4-ga = Acceleration of the oxidation process of ammonia nitrogen with the aid of NH2OH and N2H4. XXXII Eesti keemiapäevad : teaduskonverentsi teesid = 32th Estonian Chemistry Days : abstracts of scientific conference. Tartu Ülikooli Kirjastus, 114.
3.5.
2010
Menert, A.; Michelis, M.; Rikmann, E.; Blonskaja, V.; Kaljurand, M.; Kallaste, T. (2010). Biolagunevate jäätmete fermentatsioon taastuvate energiaallikate saamiseks. TEUK XII. Taastuvate energiaallikate uurimine ja kasutamine. Kaheteistkümnenda konverentsi kogumik. Investigation and usage of renewable energy sources. Twelth Conference Proceedings: XII TEUK, Taastuvate energiaallikate uurimine ja kasutamine; Tartu; 11. november 2010. Toim. Vollmer, E.; Normak, A. Eesti Maaülikool, 49−59.
5.2.
2010
Zekker, I.; Tenno, T.; Tenno, T.; Lemmiksoo, V.; Rikmann, E.; Menert, A.; Kolberg, K. (2010). Research of specific nitrite oxidation rate on high surfaced biofilms carriers with free ammonia and temperature variations. Book of Abstracts: 3rd EuCheMS Chemistry Congress Chemistry - the Creative Force. 29 August - 2 September 2010, Nürnberg/Germany. The Gesellschaft Deutscher Chemiker (GDCh), 42.
5.2.
2010
Rikmann, E.; Menert, A.; Blonskaja, V.; Kurissoo, T.; Zub, S.; Tenno, T. (2010). Sulfate-dependent anaerobic ammonium oxidation in baker's yeast wastewater. Book of Abstracts: 7th International Conference ORBIT 2010, Organic Resources in the Carbon Economy, 29th June to 3rd July 2010 Heraklion Crete, Greece. Ed. Lasaridi, K.; Manios, T.; Bidlingmaier, W.; Abeliotis, K.; Bertoldi, M.; Diaz L.F.; Stentiford, E.I. Thessaloniki, Greece: Grafima publications, 204.
3.1.
2008
Menert, A.; Vaalu, T.; Michelis, M.; Blonskaja, V.; Rikmann, E.; Mets, A.; Vilu, R. (2008). Influence of thermal pre-treatment on mesophilic anaerobic digestion of sludges. 7th International Conference Environmental Engineering : Water Engineering. Energy for Buildings : Selected Papers. Ed. Cygas, D.; Froehner, K.D. Vilnius, Lithuania: VGTU Press "Technika", 625−635.
5.2.
2004
Lepane, V.; Menert, A.; Michelis, M.; Rikmann, E.; Vilu, R. (2004). Analysis of extracellular polymeric substances from pretreated sludge by high-performance size exclusion chromatography. Book of Abstracts: International Symposium Analytical Forum 2004, 4-8 July 2004, Warsaw, Poland. Warsaw, Poland, 202.
3.2.
2003
Menert, A.; Rikmann, E.; Michelis, M.; Vaalu, T.; Blonskaja, V.; Vilu, R. (2003). Anaerobic mesophilic digestion of sludge with extra-thermophilic and high pH pre-treatment. In: Bioremediation and Leachate Treatment : Proceedings of Kalmar ECO-TECH´03 (451−463).. RVFs UTVECKLINGSSATSNING DEPONERING . (Rapport nr 2, 2004).
1.1.
2001
Pikkov, L.; Kallas, J.; Ruutmann, T.; Rikmann, E. (2001). Characteristics of activated carbon produced from biosludge and its use in wastewater post-treatment. Environmental Technology, 22 (2), 229−236.
1.2.
2001
Blonskaja, V.; Mölder, H.; Menert, A.; Rikmann, E.; Vilu, R. (2001). An investigation and microcalorimetric monitoring of anaerobic treatment of concentrated waste in the cheese industry. European Water Management, 4 (1), 59−64.
5.2.
1999
Blonskaja, V.; Mölder, H.; Menert, A.; Rikmann, E.; Vilu, R. (1999). An investigation and microcalorimetric monitoring of anaerobic treatment of concentrated waste in the cheese industry. Conference Proceedings: Copenhagen Waste and Water Conference '99. 2nd International Conference on Integrated Sustainable Waste and Water Management and Green Procurement. Copenhagen, Denmark, 1 -3 June 1999. Copenhagen, Denmark, 3 p.
5.2.
1997
Pikkov, L.;. Kallas, J.; Rikmann, E. (1997). Possibilities of production of active carbon from biological sludge. 23rd Estonian Chemistry Days: 23rd Estonian Chemistry Days : abstracts of scientific conference. Tallinn: Eesti Keemia Selts, 117.
5.2.
1997
Pikkov, L.; Kallas, J.; Rikmann, E. (1997). Aktiivsöe valmistamise võimalused biomudast. XXIII Eesti keemiapäevad : teaduskonverentsi ettekannete referaadid: XXIII Eesti keemiapäevad. Tallinn: Eesti Keemia Selts, 107−107.
17.03.2020

Ergo Rikmann

https://www.etis.ee/CV/Ergo_Rikmann/eng
8.06.1973
737 5181
56 912 374
ergo.rikmann@ut.ee

Career

Institutions and positions
01.01.2020–...   
University of Tartu, Faculty of Science and Technology, Institute of Chemistry, Chemist (0,60)
2010–...   
University of Tartu, Other staff (1,00)
01.02.2016–31.12.2019   
University of Tartu, Faculty of Science and Technology, Institute of Chemistry, Chemist (1,00)
01.01.2016–31.01.2016   
University of Tartu, Faculty of Science and Technology, Institute of Chemistry, Chemist (0,90)
01.01.2015–31.12.2015   
University of Tartu, Faculty of Science and Technology (old), Institute of Chemistry, Tartu University, Chemist (0,90)
01.10.2013–31.12.2014   
University of Tartu, Faculty of Science and Technology (old), Institute of Chemistry, Tartu University, Chemist (1,00)
01.04.2011–30.09.2013   
University of Tartu, Faculty of Science and Technology (old), Institute of Chemistry, Tartu University, Chemist (0,90)
2007–31.12.2007   
Tallinn University of Technology , Faculty of Science, Department of Chemistry, Other staff (1,00)
01.01.1999–31.12.2005   
Other staff
 
 
Education
1992–1997   
 
 
Additional information
Google Scholar profile: https://scholar.google.com/citations?user=2DmDjg4AAAAJ&hl=en&oi=ao;

Qualifications

Academic degrees
Ergo Rikmann, Doctor's Degree, 2019, (sup) Toomas Tenno; Anne Menert, Autotrophic nitrogen removal and relevant equilibrial processes, University of Tartu, Faculty of Science and Technology, Institute of Chemistry.
Ergo Rikmann, Research Master's Degree, 2000, (sup) Raivo Vilu, Vadaku anaeroobse töötlemise tehnoloogia väljatöötamine (Development of anaerobic digestion technology for treatment of cheese whey), Tallinn University of Technology Faculty of Chemical and Materials Technology.
 
 
Fields of research
ETIS CLASSIFICATION: 1. Biosciences and Environment; 1.8. Research relating to the State of the Environment and to Environmental Protection; CERCS CLASSIFICATION: T270 Environmental technology, pollution control
ETIS CLASSIFICATION: 1. Biosciences and Environment; 1.9. Research into Substances Hazardous to the Environment; CERCS CLASSIFICATION: P305 Environmental chemistry
ETIS CLASSIFICATION: 4. Natural Sciences and Engineering; 4.11. Chemistry and Chemical Technology; CERCS CLASSIFICATION: P400 Physical chemistry
 
 
Additional information

Projects in progress

Completed projects

Supervised dissertations

Publications

Category
Year
Publication
 
1.1.
2019
Zekker, Ivar; Kiviruut, Aimar; Rikmann, Ergo; Mandel, Anni; Jaagura, Madis; Tenno, Toomas; Artemchuk, Oleg; Rubin, Sergio dC; Tenno, Taavo (2019). Enhanced Efficiency of Nitritating-Anammox Sequencing Batch Reactor Achieved at Low Decrease Rates of Oxidation-Reduction Potential. Environmental Engineering Science, 36 (3), 350−360.10.1089/ees.2018.0225.
1.1.
2018
Rikmann, E.; Zekker, I.; Tenno, T.; Saluste, A.; Tenno, T. (2018). Inoculum-free start-up of biofilm- and sludge-based deammonification systems in pilot scale. International Journal of Environmental Science and Technology, 15 (1), 133−148.10.1007/s13762-017-1374-3.
1.1.
2018
Liiv, Juri; Teppand, Tonis; Rikmann, Ergo; Tenno, Toomas (2018). Novel ecosustainable peat and oil shale ash-based 3D-printable composite material. Sustainable Materials and Technologies , 17, UNSP e00067.10.1016/j.susmat.2018.e00067.
1.1.
2018
Tenno, Toomas; Rikmann, Ergo; Zekker, Ivar; Tenno, Taavo (2018). Modelling the solubility of sparingly soluble compounds depending on their particles size. Proceedings of the Estonian Academy of Sciences, 67 (3, 2), 300−302.10.3176/proc.2018.3.10.
1.1.
2017
Tenno, Toomas; Uiga, Kalev; Mashirin, Alexsey; Zekker, Ivar; Rikmann, Ergo (2017).

Modelling Closed Equilibrium Systems of H2O–dissolved CO2–solid CaCO3

. Journal of Physical Chemsitry A, 121 (16), 3094−3100.10.1021/acs.jpca.7b00237.
1.1.
2017
Raudkivi, Markus; Zekker, Ivar; Rikmann, Ergo; Vabamae, Priit; Kroon, Kristel; Tenno, Taavo (2017). Nitrite inhibition and limitation - the effect of nitrite spiking on anammox biofilm, suspended and granular biomass. Water Science and Technology, 75 (2), 313−321.10.2166/wst.2016.456.
1.1.
2016
Toomas Tenno, Ergo Rikmann, Ivar Zekker, Taavo Tenno, Laura Daija, Alexey Mashirin (2016). Modelling equilibrium distribution of carbonaceous ions and molecules in a heterogeneous system of CaCO3–water–gas. Proceedings of the Estonian Academy of Sciences. Chemistry, 65 (1), 68−77.10.3176/proc.2016.1.07.
1.1.
2016
Zekker, Ivar; Rikmann, Ergo; Mandel, Anni; Kroon, Kristel; Seiman, Andrus; Mihkelson, Jana; Tenno, Taavo; Tenno, Toomas (2016). Step-wise temperature decreasing cultivates a biofilm with high nitrogen removal rates at 9 degrees C in short-term anammox biofilm tests. Environmental Technology, 37 (15), 1933−1946.10.1080/09593330.2015.1135995.
1.1.
2016
Daija, Laura; Selberg, Aare; Rikmann, Ergo; Zekker, Ivar; Tenno, Taavo; Tenno, Toomas (2016). The influence of lower temperature, influent fluctuations and long retention time on the performance of an upflow mode laboratory-scale septic tank. Desalination and Water Treatment, 57 (40), 18679−18687.10.1080/19443994.2015.1094421.
1.2.
2016
Zekker, I.; Rikmann, E.; Mandel, A.; Raudkivi, M.; Kroon, K.; Loorits, L.; Seiman, A.; Fritze, H.; Vabamäe, P.; Tenno, T.; Tenno, T. (2016). Increased Nitrogen Removal in Cold Deammonification Biofilm Reactor (9-15°c) By Smooth Temperature Decreasing. Environmental and Ecological Engineering, 2, 1933−1946.10.1080%2F09593330.2015.1135995.
1.1.
2015
Rikmann, E.; Zekker, I.; Tomingas, M.; Tenno, T.; Loorits, L.; Vabamäe, P.; Mandel, A.; Raudkivi, M.; Daija, L.; Kroon, K.; Tenno, T. (2015). Sulfate-reducing Anammox for Sulfate and Nitrogen Containing Wastewaters. Desalination and Water Treatment, 57 (7), 3132−3141.10.1080/19443994.2014.984339.
1.1.
2015
Zekker, I.; Rikmann, E.; Tenno, T.; Loorits, L.; Kroon, K.; Vabamäe, P.; Mandel, A.; Raudkivi, M.; Daija, L.; RUBIN, S. S.C. DC.; Tenno, T. (2015). Nitric oxide for anammox recovery in nitrite-inhibited deammonification system. Environmental Technology, 36 (19), 2477−2487.10.1080/09593330.2015.1034791.
1.2.
2015
Zekker, I.; Rikmann, E.; Mandel, A.; Raudkivi, M.; Kroon, K.; Loorits, L.; Seiman, A.; Tenno, T.; Tenno, T. (2015). SMOOTH TEMPERATURE DECREASING FOR NITROGEN REMOVAL IN COLD (9-15° C) ANAMMOX BIOFILM REACTOR TESTS. European Scientific Journal, 508−525.
3.2.
2015
Zekker, I.; Rikmann, E.; Mandel, A.; Raudkivi, M.; Kroon, K.; Loorits, L.; Tenno, T.; Tenno, T. (2015). High nitrite concentration inhibits nitrite-adapted granular anammox biomass less compared to biofilm. ICSD, Belgrad, 12-15 nov 2015. ICSD, XX−XX.
3.2.
2015
Zekker, I.; Rikmann, E.; Mandel, A.; Kroon, K.; Seiman, A.; Tenno, T.; Tenno, T. (2015). Increased Nitrogen Removal In Cold (9-15° C) Deammonification Biofilm By Smooth Temperature Decrease. The 12th IWA Leading Edge Conference on Water and Wastewater Technologies, 30 may-3rd june, Hong Kong, China. IWA , XX−XX.
3.2.
2015
Zekker, I.; Rikmann, E.; Mandel, A.; Raudkivi, M.; Kroon, K.; Loorits, L.; Seiman, A.; Tenno, T.; Tenno, T. (2015). SMOOTH TEMPERATURE DECREASING FOR NITROGEN REMOVAL IN COLD (9-15° C) ANAMMOX BIOFILM REACTOR TESTS. 3rd Annual International Interdisciplinary Conference AIIC 2015 08-11, July, Azores, Portugal,. AIIC, 13−13.
3.4.
2015
Zekker, I.; Rikmann, E.; Mandel, A.; Raudkivi, M.; Kroon, K.; Loorits, L.; Seiman, A.; Fritze, H.; Vabamäe, P.; Tenno, T.; Tenno, T. (2015). NITRIC OXIDE FOR ANAMMOX RECOVERY IN NITRITE-INHIBITED DEAMMONIFICATION. XVth World Water Congress, 25 - 29 May, Edinburgh, Scotland. IWA , XX−XX.
1.1.
2014
Rikmann, Ergo; Zekker, Ivar; Tomingas, Martin; Vabamaee, Priit; Kroon, Kristel; Saluste, Alar; Tenno, Taavo; Menert, Anne; Loorits, Liis; Rubin, Sergio S. C. dC; Tenno, Toomas (2014). Comparison of sulfate-reducing and conventional Anammox upflow anaerobic sludge blanket reactors. Journal of Bioscience and Bioengineering, 118 (4), 426−433.10.1016/j.jbiosc.2014.03.012.
1.1.
2014
Zekker, I; Rikmann, E; Tenno, T; Seiman, A; Loorits, L; Kroon, K; Tomingas, M; Vabamäe, P; Tenno, T. (2014). Nitritating-anammox biomass tolerant to high dissolved oxygen concentration and C/N ratio in treatment of yeast factory wastewater. Environmental Technology, 35 (12), 1565−1576.
1.1.
2014
Zekker, I; Rikmann, E; Loorits, L; Tenno, T; Fritze, H; Tuomivirta, T; Kroon, K; Vabamäe, P; Seiman, A; Raudkivi, M; Mandel, A; Tenno, T. (2014). Start-up of low temperature anammox in UASB from mesophilic yeast factory anaerobic tank inoculum. Environmental Technology, 36 (2), 214−225.10.1080/09593330.2014.941946.
3.4.
2014
Zekker, I; Rikmann, E; Mandel, A; Mihkelson, J; Tenno, T; Kroon, K; Tenno, T. (2014). Increased Nitrogen Removal in Cold 9-15°C Deammonification Biofilm Reactor Tests by Smooth temperature lowering. Global conference on energy, soil, water, air and environment, Dubai-United Arab Emirates, December11-12.: Global conference on energy, soil, water, air and environment, Dubai-United Arab Emirates, December11-12.. 7−7.
5.2.
2014
Zekker, I; Rikmann, E; Tenno, T; Kroon, K; Vabamäe, P; Salo, E; Raudkivi, M; Loorits, L; Tenno, T. (2014). DEAMMONIFICATION PROCESS START-UP AFTER ENRICHMENT OF ANAMMOX MICROORGANISMS FROM REJECT WATER IN A MOVING BED BIOFILM REACTOR (MBBR). Conference Program IWA 6TH YOUNG WATER PROFESSIONALS CONFERENCE «EAST MEETS WEST» EASTERN EUROPEAN. ISTANBUL TURKEY 28-30 MAY 2014,.
5.2.
2014
ZEKKER, I; RIKMANN, E; TENNO, T; LOORITS, L; KROON, K; FRITZE, H; TUOMIVIRTA, T; VABAMÄE, P; RAUDKIVI, M; MANDEL, A; DC. RUBIN, S; TENNO, T. (2014). NITRIC OXIDE FOR ANAMMOX RECOVERY IN NITRITE-INHIBITED DEAMMONIFICATION SYSTEM. Crete, Chania, 2014, 2-5 sept 4th Int Conf on Hazardous Waste management. Crete, Chania,.
1.1.
2013
ZEKKER, I; RIKMANN, E; TENNO, T; KROON, K; VABAMÄE, P; SALO, E; LOORITS, L; RUBIN, S; TENNO, T (2013). Deammonification process start-up after enrichment of anammox microorganisms from reject water in a moving bed biofilm reactor (MBBR). Environmental Technology, 34 (23), 3095−3101.10.1080/09593330.2013.803134.
3.4.
2013
Zekker, I; Kroon, K; Pitk, P; Rikmann, E; Tenno, T; Vabamäe, P; Loorits, L; Rubin, S; Fritze, H; Tuomivirta, T; Tenno, T. (2013). Anaerobic Ammonium Oxidation in Upflow Anaerobic Sludge Blanket Reactor for Reject Water Treatment. 6th Annual International Conference on Agriculture, 15-18 July 2013: Abstract Book. Ed. Papanikos, G. Athens, Greece, 77.
5.2.
2013
Zekker, I.; Rikmann, E.; Kroon, K.; Vabamäe, P.; Tenno, T.; Loorits, L.; Tenno, T. (2013). ANAEROOBSE AMMONIUMLÄMMASTIKU OKSÜDATSIOONI PROTSESSI KIIRE KÄIVITAMINE SPETSIIFILISE SEEMNEMUDATA. Eesti XXXIII Keemiapäevad; Tallinn, Eesti; 11 Oct, 2013. 75−75.
5.2.
2013
Rikmann, E.; Zekker, I.; Saluste, A.; Tenno, T.; Tenno, T. (2013). Autotroofse lämmastikuärastuse käivitamine pilootskaalas. Eesti XXXIII Keemiapäevad; Tallinn, Eesti; 11 Oct, 2013..
5.2.
2013
ZEKKER, Ivar; RIKMANN, Eergo; TENNO, Toomas; KROON, Kristel; VABAMÄE, Priit; Fritze, Hannu; Tuomivita, Tero; LOORITS, Liis; RUBIN, S; TENNO, Taavo (2013). Deammonification process start-up after enrichment of anammox microorganisms from reject water in a moving bed biofilm reactor (MBBR). Book of Abstracts Down to Earth, Tallinn University , Estonia: The 2nd Conference of Doctoral School of Earth Sciences and Ecology, Down to Earth; Tallinn University; Estonia; 16-17 May, 2013. Tallinn, 65−65.
5.2.
2013
ZEKKER, I; RIKMANN, E; TENNO, T; KROON, K; VABAMÄE, P; SALO, E; LOORITS, L; RUBIN, S; TENNO, T. (2013). Deammonification process start-up after enrichment of anammox microorganisms from reject water in a moving bed biofilm reactor (MBBR). Asset Management for Enhancing Energy Efficiency in Water and Wastewater Systems; Marbella, Hispaania; 2013, 24-26 april. Marbella, Hispaania,.
5.2.
2013
Zekker, I; Kroon, K; Pitk, P; Rikmann, E; Tenno, T; Vabamäe, P; Loorits, L; Rubin, S; Fritze, H; Tuomivirta, T; Tenno, T. (2013). Rapid start- up of autotrophic nitrogen removal process after inoculation with microorganisms from yeast factory anaerobic tank. TÜ ja TTÜ doktorikooli “Funktsionaalsed materjalid ja tehnoloogiad” kolmas teaduskonverents; Tallinn, Eesti; 07.-08.03.2013. Tallinn,.
5.2.
2013
Rikmann, E; Saluste, A; Zekker, I; Selberg, A; Tenno, T; Tenno, T. (2013). Start- up of autotrophic nitrogen removal of reject water from anaerobic digestion of municipal wastewater sludge. TÜ ja TTÜ doktorikooli “Funktsionaalsed materjalid ja tehnoloogiad” kolmas teaduskonverents; Tallinn, Eesti; 07.-08.03.2013. Tallinn,.
1.1.
2012
Zekker, I.; Rikmann, E.; Tenno, T.; Vabamäe, P.; Tomingas, M.; Menert, A.; Loorits, L.; Tenno, T. (2012). Anammox Bacteria Enrichment and Phylogenic Analysis in Moving Bed Biofilm Reactors. Environmental Engineering Science, 29 (10), 946−950.10.1089/ees.2011.0146.
1.1.
2012
Zekker, I.; Rikmann, E.; Tenno, T.; Lemmiksoo, V.; Menert, A.; Loorits, L.; Vabamäe, P.; Tomingas, M.; Tenno, T. (2012). Anammox enrichment from reject water on blank biofilm carriers and carriers containing nitrifying biomass: operation of two moving bed biofilm reactors (MBBR). Biodegradation, 23 (4), 547−560.10.1007/s10532-011-9532-7.
1.1.
2012
Rikmann, E.; Zekker, I.; Tomingas, M.; Tenno, T.; Menert, A.; Loorits, L.; Tenno, T. (2012). Sulfate-reducing anaerobic ammonium oxidation as a potential treatment method for high nitrogen-content wastewater. Biodegradation, 23 (4), 509−524.10.1007/s10532-011-9529-2.
1.1.
2012
Zekker, I.; Rikmann, E.; Tenno, T.; Saluste, A.; Tomingas, M.; Menert, A.; Loorits, L.; Lemmiksoo, V.; Tenno, T. (2012). Achieving nitritation and anammox enrichment in single moving- bed biofilm reactor treating reject water. Environmental Technology, 33 (6), 703−710.10.1080/09593330.2011.588962.
1.1.
2012
Rikmann, E.; Zekker, I.; Kroon, K.; Saluste, A.; Vabamäe, P.; Tenno, T; Menert, A.; Loorits, L.; Tenno, T. (2012). Sulfate- reducing and nitrite-dependent anammox for ammonium removal. Communications in Agricultural and Applied Biological Sciences, 77, 1, 227−230.
1.1.
2012
Zekker, I.; Kroon, K.; Rikmann, E.; Tenno, T.; Tomingas, M.; Vabamäe, P.; Vlaeminck, S.E.; Tenno, T. (2012). Accelerating effect of hydroxylamine and hydrazine on nitrogen removal rate in moving bed biofilm reactor. Biodegradation, 23 (5), 739−749.10.1007/s10532-012-9549-6.
1.1.
2012
Zekker, Ivar; Rikmann, Ergo; Tenno, Toomas; Vabamäe, Priit; Kroon, Kristel; Loorits, Liis; Saluste, Alar; Tenno, Taavo (2012). Effect of HCO3- concentration on anammox nitrogen removal rate in a moving bed biofilm reactor. Environmental Technology, 33 (20), 2263−2271.10.1080/09593330.2012.665487.
1.2.
2012
Zekker, I; Rikmann, E; Tenno, T; Vabamäe, P; Kroon, K; Tomingas, M; Rubin, S. S.C. dC; Salo, E; Tenno, T. (2012). Anammox SBR for treatment of yeast factory wastewater. Hydrology: Current research, 3 (4, 4), 67−67.
5.2.
2012
Zekker, I.; Rikmann, E.; Tenno, T.; Vabamäe, P.; Kroon, K.; Saluste, A.; Tenno, T. (2012). Ammonium removal by sulfate- reducing and nitrite- dependent anammox. The 14th International Symposium on Microbial Ecology, ISME14; Copenhagen, Denmark; 19-24 August 2012.. 32−32.
5.2.
2012
Zekker, I.; Rikmann, E.; Tenno, T.; Vabamäe, P.; Kroon, K.; Tomingas, M.; Saluste, A.; Tenno, T. (2012). Floc-based anammox biomass stability in SBR treating yeast factory wastewater. Scientific Programme: 4th Euchems Chemistry Congress, Praha, Tsehhi. 26-30 Aug. 2012.
5.2.
2012
Zekker, I; Rikmann, E; Tenno, T; Vabamäe, P; Kroon, K; Tomingas, M; Salo, E; Tenno, T. (2012). Anammox SBR for treatment of yeast factory wastewater. International conference on Hydrology and groundwater Expo, San Antonio, USA, 10-12 Sept 2012: International conference on Hydrology and groundwater Expo, San Antonio, USA, 10-12 Sept 2012. San Antonio, USA,.
1.1.
2011
Zekker, Ivar; Rikmann, Ergo; Tenno, Toomas; Menert, Anne; Lemmiksoo, Vallo; Saluste, Alar; Tenno, Taavo; Tomingas, Martin (2011). Modification of nitrifying biofilm into nitritating one by combination of increased free ammonia concentrations, lowered HRT and dissolved oxygen concentration. Journal of Environmental Sciences, 23 (7), 1113−1121.10.1016/S1001-0742(10)60523-2.
3.2.
2011
Zekker, I.; Rikmann, E.; Tenno, T.; Saluste, A.; Lemmiksoo, V.; Menert, A.; Loorits, L.; Tenno, T. (2011). Achieving nitritation and anammox enrichment in single moving bed biofilm reactor treating reject water. AGRO 2011, 8th IWA International Symposium on Waste Management Problems in Agroindustries. Cesme, Izmir, Turkey, 22-24 June 2011. Proceedings, 2: AGRO 2011, 8th IWA International Symposium on Waste Management Problems in Agroindustries. 827−828.
3.2.
2011
Rikmann, E.; Zekker, I.; Tomingas, M.; Tenno, T.; Menert, A.; Loorits, L.; Tenno, T. (2011). Sulfate-reducing anaerobic ammonium oxidation as a potential treatment method for high nitrogen-content wastewater. AGRO 2011, 8th IWA International Symposium on Waste Management Problems in Agroindustries. Cesme, Izmir, Turkey, 22-24 June 2011. Proceedings, 2: AGRO 2011, 8th IWA International Symposium on Waste Management Problems in Agroindustries. 755−762.
5.2.
2011
Zekker, I.; Rikmann, E.; Tenno, T.; Menert, A.; Lemmiksoo, V.; Kolberg, K.; Tenno, T. (2011). Effect of bicarbonate concentration on Anaerobic ammonium oxidation for efficient autotrophic nitrogen removal. IWA Specialist Conference Water and Industry. Valladolid, Spain, 1-4 May 2011 : Final Program. Valladolid, Spain, 16.
5.2.
2011
Zekker, I.; Tenno, T.; Tenno, T.; Lemmiksoo, V.; Rikmann, E.; Menert, A.; Kolberg, K.; Tomingas, M.; Kroon, K.; Vabamäe, P. (2011). Specific nitrite oxidation rate on high surfaced biofilm carriers dependent on free ammonia and temperature. 2nd Workshop on Bacterial and Fungal Biofilms, Ghent University Center for Sociomicrobiology, 22 September 2011. Ghent, Belgium,.
5.2.
2011
Zekker, I.; Rikmann, E.; Tenno, T.; Menert, A.; Kroon, K.; Tomingas, M.; Vabamäe, P.; Tenno, T. (2011). Anaerobic ammonium oxidation process performance with optimum bicarbonate concentration. Agricultural Research. Abstract Book from the 4th Annual International Symposium on Agricultural Research 18-21 July 2011, Athens, Greece: 4th Annual International Symposium on Agriculture, 18-21 July 2011, Athens, Greece. Ed. Gregory T. Papanikos. The Athens Institute for Education and Research, 69−71.
5.2.
2011
Tomingas, M.; Zekker, I.; Rikmann, E.; Tenno, T.; Menert, A.; Kroon, K.; Tenno, T. (2011). Biological treatment of anaerobic digester supernatant by anaerobic ammonium oxidation method in UASB system. Abstract Book & Program: International Conference on Materials and Technologies for Green Chemistry, 5-9 September 2011, Talllinn, Estonia. Ed. Borissova, M. 140.
5.2.
2011
Zekker, I.; Kroon, K.; Rikmann, E., Tenno, T.; Menert, A. Tenno, T. (2011). Anaeroobse ammooniumilämmastiku oksüdatsiooni protsessi kiirendamine NH2OH ja N2H4-ga = Acceleration of the oxidation process of ammonia nitrogen with the aid of NH2OH and N2H4. XXXII Eesti keemiapäevad : teaduskonverentsi teesid = 32th Estonian Chemistry Days : abstracts of scientific conference. Tartu Ülikooli Kirjastus, 114.
3.5.
2010
Menert, A.; Michelis, M.; Rikmann, E.; Blonskaja, V.; Kaljurand, M.; Kallaste, T. (2010). Biolagunevate jäätmete fermentatsioon taastuvate energiaallikate saamiseks [Fermentation of biodegradable waste for production of renewable energy sources]. TEUK XII. Taastuvate energiaallikate uurimine ja kasutamine. Kaheteistkümnenda konverentsi kogumik. Investigation and usage of renewable energy sources. Twelth Conference Proceedings: XII TEUK, Taastuvate energiaallikate uurimine ja kasutamine; Tartu; 11. november 2010. Toim. Vollmer, E.; Normak, A. Eesti Maaülikool, 49−59.
5.2.
2010
Zekker, I.; Tenno, T.; Tenno, T.; Lemmiksoo, V.; Rikmann, E.; Menert, A.; Kolberg, K. (2010). Research of specific nitrite oxidation rate on high surfaced biofilms carriers with free ammonia and temperature variations. Book of Abstracts: 3rd EuCheMS Chemistry Congress Chemistry - the Creative Force. 29 August - 2 September 2010, Nürnberg/Germany. The Gesellschaft Deutscher Chemiker (GDCh), 42.
5.2.
2010
Rikmann, E.; Menert, A.; Blonskaja, V.; Kurissoo, T.; Zub, S.; Tenno, T. (2010). Sulfate-dependent anaerobic ammonium oxidation in baker's yeast wastewater. Book of Abstracts: 7th International Conference ORBIT 2010, Organic Resources in the Carbon Economy, 29th June to 3rd July 2010 Heraklion Crete, Greece. Ed. Lasaridi, K.; Manios, T.; Bidlingmaier, W.; Abeliotis, K.; Bertoldi, M.; Diaz L.F.; Stentiford, E.I. Thessaloniki, Greece: Grafima publications, 204.
3.1.
2008
Menert, A.; Vaalu, T.; Michelis, M.; Blonskaja, V.; Rikmann, E.; Mets, A.; Vilu, R. (2008). Influence of thermal pre-treatment on mesophilic anaerobic digestion of sludges. 7th International Conference Environmental Engineering : Water Engineering. Energy for Buildings : Selected Papers. Ed. Cygas, D.; Froehner, K.D. Vilnius, Lithuania: VGTU Press "Technika", 625−635.
5.2.
2004
Lepane, V.; Menert, A.; Michelis, M.; Rikmann, E.; Vilu, R. (2004). Analysis of extracellular polymeric substances from pretreated sludge by high-performance size exclusion chromatography. Book of Abstracts: International Symposium Analytical Forum 2004, 4-8 July 2004, Warsaw, Poland. Warsaw, Poland, 202.
3.2.
2003
Menert, A.; Rikmann, E.; Michelis, M.; Vaalu, T.; Blonskaja, V.; Vilu, R. (2003). Anaerobic mesophilic digestion of sludge with extra-thermophilic and high pH pre-treatment. In: Bioremediation and Leachate Treatment : Proceedings of Kalmar ECO-TECH´03 (451−463).. RVFs UTVECKLINGSSATSNING DEPONERING . (Rapport nr 2, 2004).
1.1.
2001
Pikkov, L.; Kallas, J.; Ruutmann, T.; Rikmann, E. (2001). Characteristics of activated carbon produced from biosludge and its use in wastewater post-treatment. Environmental Technology, 22 (2), 229−236.
1.2.
2001
Blonskaja, V.; Mölder, H.; Menert, A.; Rikmann, E.; Vilu, R. (2001). An investigation and microcalorimetric monitoring of anaerobic treatment of concentrated waste in the cheese industry. European Water Management, 4 (1), 59−64.
5.2.
1999
Blonskaja, V.; Mölder, H.; Menert, A.; Rikmann, E.; Vilu, R. (1999). An investigation and microcalorimetric monitoring of anaerobic treatment of concentrated waste in the cheese industry. Conference Proceedings: Copenhagen Waste and Water Conference '99. 2nd International Conference on Integrated Sustainable Waste and Water Management and Green Procurement. Copenhagen, Denmark, 1 -3 June 1999. Copenhagen, Denmark, 3 p.
5.2.
1997
Pikkov, L.;. Kallas, J.; Rikmann, E. (1997). Possibilities of production of active carbon from biological sludge. 23rd Estonian Chemistry Days: 23rd Estonian Chemistry Days : abstracts of scientific conference. Tallinn: Eesti Keemia Selts, 117.
5.2.
1997
Pikkov, L.; Kallas, J.; Rikmann, E. (1997). Aktiivsöe valmistamise võimalused biomudast. XXIII Eesti keemiapäevad : teaduskonverentsi ettekannete referaadid: XXIII Eesti keemiapäevad. Tallinn: Eesti Keemia Selts, 107−107.
17.03.2020

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