Search Results - "Tenno, Taavo"

ANAMMOX-denitrification biomass in microbial fuel cell to enhance the electricity generation and nitrogen removal efficiency by Zekker, Ivar, Bhowmick, Gourav Dhar, Priks, Hans, Nath, Dibyojyoty, Rikmann, Ergo, Jaagura, Madis, Tenno, Taavo, Tämm, Kaido, Ghangrekar, Makarand Madhao

“…The inoculum biomass was collected from a pilot-scale (3 m 3 process tank) nitritation-anaerobic ammonium oxidation (ANAMMOX) (deammonification moving bed…”
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Nitrite inhibition and limitation - the effect of nitrite spiking on anammox biofilm, suspended and granular biomass by Raudkivi, Markus, Zekker, Ivar, Rikmann, Ergo, Vabamäe, Priit, Kroon, Kristel, Tenno, Taavo

“…Anaerobic ammonium oxidation (anammox) has been studied extensively while no widely accepted optimum values for nitrite (both a substance and inhibitor) has…”
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Start-Up of Anammox SBR from Non-Specific Inoculum and Process Acceleration Methods by Hydrazine by Zekker, Ivar, Artemchuk, Oleg, Rikmann, Ergo, Ohimai, Kelvin, Dhar Bhowmick, Gourav, Madhao Ghangrekar, Makarand, Burlakovs, Juris, Tenno, Taavo

“…Biological nutrient removal from wastewater to reach acceptable levels is needed to protect water resources and avoid eutrophication. The start-up of an…”
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The influence of lower temperature, influent fluctuations and long retention time on the performance of an upflow mode laboratory-scale septic tank by Daija, Laura, Selberg, Aare, Rikmann, Ergo, Zekker, Ivar, Tenno, Taavo, Tenno, Toomas

“…The influence of temperature in a range of 15–5°C, fluctuations in soluble chemical oxygen demand (sCOD) and suspended solids (SS) of the influent and also…”
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Modelling the solubility of sparingly soluble compounds depending on their particles size by Tenno, Toomas, Rikmann, Ergo, Zekker, Ivar, Tenno, Taavo

“…The aim of the current study was to investigate and model particle size dependence of the dissolution process of Ca[(OH).sub.2], CaC[O.sub.3], and oil shale…”
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Nitric oxide for anammox recovery in a nitrite-inhibited deammonification system by Zekker, Ivar, Rikmann, Ergo, Tenno, Toomas, Loorits, Liis, Kroon, Kristel, Fritze, Hannu, Tuomivirta, Tero, Vabamäe, Priit, Raudkivi, Markus, Mandel, Anni, DC. Rubin, Sergio S.C, Tenno, Taavo

“…The anaerobic ammonium oxidation (anammox) process is widely used for N-rich wastewater treatment. In the current research the deammonification reactor in a…”
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Sulfate-reducing anaerobic ammonium oxidation as a potential treatment method for high nitrogen-content wastewater by Rikmann, Ergo, Zekker, Ivar, Tomingas, Martin, Tenno, Taavo, Menert, Anne, Loorits, Liis, Tenno, Toomas

“…After sulfate-reducing ammonium oxidation (SRAO) was first assumed in 2001, several works have been published describing this process in laboratory-scale…”
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Modification of nitrifying biofilm into nitritating one by combination of increased free ammonia concentrations, lowered HRT and dissolved oxygen concentration by Zekker, Ivar, Rikmann, Ergo, Tenno, Toomas, Menert, Anne, Lemmiksoo, Vallo, Saluste, Alar, Tenno, Taavo, Tomingas, Martin

“…Nitrifying biomass on ring-shaped carriers was modified to nitritating one in a relatively short period of time （37 days） by limiting the air supply, changing…”
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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) by Zekker, Ivar, Rikmann, Ergo, Tenno, Toomas, Lemmiksoo, Vallo, Menert, Anne, Loorits, Liis, Vabamäe, Priit, Tomingas, Martin, Tenno, Taavo

“…The anammox bacteria were enriched from reject water of anaerobic digestion of municipal wastewater sludge onto moving bed biofilm reactor (MBBR) system…”
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Ameliorating effect of nitrate on nitrite inhibition for denitrifying P-accumulating organisms by Zekker, Ivar, Mandel, Anni, Rikmann, Ergo, Jaagura, Madis, Salmar, Siim, Ghangrekar, Makarand Madhao, Tenno, Taavo

“…Lowered air supply and organic carbon need are the key factors to reduce wastewater treatment costs and thereby, avoid eutrophication. Denitrifying PO43−-…”
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Mainstream-sidestream wastewater switching promotes anammox nitrogen removal rate in organic-rich, low-temperature streams by Zekker, Ivar, Raudkivi, Markus, Artemchuk, Oleg, Rikmann, Ergo, Priks, Hans, Jaagura, Madis, Tenno, Taavo

“…The main issues with mainstream anammox application are loss of bacterial activity by low temperatures and by a high organic content of wastewater. We…”
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Reuse of ferric sludge as an iron source for the Fenton-based process in wastewater treatment by Bolobajev, Juri, Kattel, Eneliis, Viisimaa, Marika, Goi, Anna, Trapido, Marina, Tenno, Taavo, Dulova, Niina

“…•Reused ferric sludge as an effective catalyst for the Fenton-based process.•Observed a similar Fenton-based treatment efficacy for up to 4 ferric sludge…”
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Step-wise temperature decreasing cultivates a biofilm with high nitrogen removal rates at 9°C in short-term anammox biofilm tests by Zekker, Ivar, Rikmann, Ergo, Mandel, Anni, Kroon, Kristel, Seiman, Andrus, Mihkelson, Jana, Tenno, Taavo, Tenno, Toomas

“…The anaerobic ammonium oxidation (anammox) and nitritation-anammox (deammonification) processes are widely used for N-rich wastewater treatment. When…”
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A pilot study of three-stage biological–chemical treatment of landfill leachate applying continuous ferric sludge reuse in Fenton-like process by Klein, Kati, Kivi, Arthur, Dulova, Niina, Zekker, Ivar, Mölder, Erik, Tenno, Toomas, Trapido, Marina, Tenno, Taavo

“…This pilot study describes a three-stage continuous process for treating landfill leachate containing significant concentrations of recalcitrant organic…”
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Nitritating-anammox biomass tolerant to high dissolved oxygen concentration and C/N ratio in treatment of yeast factory wastewater by Zekker, Ivar, Rikmann, Ergo, Tenno, Toomas, Seiman, Andrus, Loorits, Liis, Kroon, Kristel, Tomingas, Martin, Vabamäe, Priit, Tenno, Taavo

“…Maintaining stability of low concentration (<1 g L ⁻¹) floccular biomass in the nitritation-anaerobic ammonium oxidation (anammox) process in the sequencing…”
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Assessment of enhanced biological phosphorus removal process inhibition by Klein, Kati, Mandel, Anni, Lilleoja, Hegne, Salmar, Siim, Tenno, Taavo

“…Wastewater in industrial regions frequently contains substances which are potentially inhibitory to activated sludge treatment processes. Enhanced biological…”
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Removal of hazardous substances in municipal wastewater treatment plants by Kõrgmaa, Vallo, Laht, Mailis, Rebane, Riin, Lember, Erki, Pachel, Karin, Kriipsalu, Mait, Tenno, Taavo, Iital, Arvo

“…Chemical pollution poses a threat to the aquatic environment and to human health. Wastewater treatment plants are the last defensive line between the aquatic…”
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Hazardous waste landfill leachate treatment by combined chemical and biological techniques by Kattel, Eneliis, Kivi, Arthur, Klein, Kati, Tenno, Taavo, Dulova, Niina, Trapido, Marina

“…The efficacies of coagulation, ozonation, Fenton treatment, activated sludge process, Fenton treatment–activated sludge process (CHEM-BIO) and activated sludge…”
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Bio-recalcitrant pollutants removal from wastewater with combination of the Fenton treatment and biological oxidation by Trapido, Marina, Tenno, Taavo, Goi, Anna, Dulova, Niina, Kattel, Eneliis, Klauson, Deniss, Klein, Kati, Tenno, Toomas, Viisimaa, Marika

“…[Display omitted] •The Fenton pre-treatment of raw wastewaters was effective but costly.•The Fenton process is added to wastewater treatment scheme as an…”
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Comparison of sulfate-reducing and conventional Anammox upflow anaerobic sludge blanket reactors by RIKMANN, Ergo, ZEKKER, Ivar, TENNO, Toomas, TOMINGAS, Martin, VABAMAE, Priit, KROON, Kristel, SALUSTE, Alar, TENNO, Taavo, MENERT, Anne, LOORITS, Liis, RUBIN, Sergio S. C. dC

“…Autotrophic NH4(+) removal has been extensively researched, but few studies have investigated alternative electron acceptors (for example, SO4(2-)) in NH4(+)…”
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