Riku Vahala
Professor, Water and wastewater engineering at Aalto University School of Business
Schools
- Aalto University School of Business
Links
Biography
Aalto University School of Business
CURRICULUM VITAE
Education
2006: Doctor’s degree, Helsinki University of Technology. Major: Water and Wastewater Engineering. 1994: Master’s degree, Helsinki University of Technology. Major: Environmental Engineering
Expertise
Water and wastewater engineering
Professional career
- 2008-: Aalto University, Water and Environmental Engineering / Professor and Research Group Manager.
- 1998-2007: Finnish Water and Waste Water Works Association / Senior Adviser.
- 1995-2000: Helsinki Polytechnic / Part-time lecturer .
- 1995-1998: Helsinki University of Technology, Laboratory of Water and Wastewater Engineering / Doctoral student.
- 1992-1994: LT Consultants Ltd / Project Engineer.
Major Positions of Trust
- 2012-The Supreme Administrative Court, Expert Counsellor on the Environment.
- 2011-2014 Integrated project ”PREPARED – Enabling Change”, Member of the Project Advisory Committee.
- 2009-2012: Finnish Water Forum, Member of the Board, Chair of the Committee in educational matters (2011).
- 2009-2015 “Old man” of The Guild of Civil Engineers.
- 2006-2007: Water Supply Pool, The National Board of Economic Defence (NBED), Secretary of the Pool.
- 2006-2008: “Decade for Water” –programme, Ministry of Forestry and Agriculture, Manager of the strategy work.
- 2006-2011: Integrated project ”TECHNEAU” (Technology Enabled Universal Access to Safe Drinking Water), Chair of the Project Advisory Committee.
- 2006-2007: Eureau, Chair of the Joint Working Group for Research.
- 2004-2005: Water Supply and Sanitation Technology Platform (WSSTP), Chair of the Board , Chair of the Thematic Working Group 2 “Water for People”
- 2003-2005: The Helsinki Commission (HELCOM), Observer Member representing Eureau.
- 2003-2006: 4. Nordic Drinking Water Conference, Chair of the Programme Committee. 5. Nordic Drinking Water Conference, Member of the Programme Committee.
- 2002-2005: IWA Leading Edge Conference on Water and Wastewater Technologies, Member of Programme Committee.
- 2001- National Journal for Water Resources Engineering (Vesitalous), Member of the Editorial Board, Issue Editor of several editions.
- 1999-2005: Eureau, Member of Waste Water Commission.
- 1999-2004: European Commission (EC), Regulators Group for Construction Products in contact with Drinking Water (RG-CPDW).
- 1998-2002: National Technology Agency of Finland, Technology Programme on Water Services 1997-2001, Programme Manager.
- 1998-2008: European Union of National Associations of Water Suppliers and Waste Water Services (Eureau), Member of Drinking Water Commission.
Professional Affiliations
- 2004- John Snow -society.
- 2003- WaterFinns ry (NGO), Chair of the Board (2009-2012).
- 1999- Finnish Water Association, Secretary of Water Quality subcommittee (1999-2010), Board member (2011-), Chair of the Board (2014-)
- 1984- Association of Finnish Civil Engineers, Board member (2016-)
Peer-reviewed scientific articles
Journal article-refereed, Original research16S rRNA gene-based characterization of bacteria potentially associated with phosphate and carbonate precipitation from a granular autotrophic nitrogen removal bioreactor
Gonzalez-Martinez, Alejandro; Rodriguez-Sanchez, Alejandro; Rivadeneyra, María Angustias; Rivadeneyra, Almudena; Martin-Ramos, Daniel; Vahala, Riku; Gonzalez-Lopez, Jesús2017 in APPLIED MICROBIOLOGY AND BIOTECHNOLOGY (SPRINGER)ISSN: 0175-7598Start-up and operation of an aerobic granular sludge system under low working temperature inoculated with cold-adapted activated sludge from Finland
Gonzalez-Martinez, Alejandro; Muñoz-Palazon, Barbara; Rodriguez-Sanchez, Alejandro; Maza-Márquez, Paula; Mikola, Anna; Gonzalez-Lopez, Jesus; Vahala, Riku2017 in BIORESOURCE TECHNOLOGY (ELSEVIER SCI LTD)ISSN: 0960-8524Bacterial diversity and population shifts driven by spotlight wastewater micropollutants in low-temperature highly nitrifying activated sludge
Kruglova, Antonina; Gonzalez-Martinez, Alejandro; Kråkström, Matilda; Mikola, Anna; Vahala, Riku2017 in SCIENCE OF THE TOTAL ENVIRONMENT (Elsevier Science B.V.)ISSN: 0048-9697Estimating water and wastewater pipe failure consequences and the most detrimental failure modes
Laakso, Tuija; Ahopelto, Suvi Karoliina; Lampola, Tiia; Kokkonen, Teemu; Vahala, Riku2017 in Water Science and Technology: Water Supply (IWA Publishing)ISSN: 1606-9749Nitrogen and Phosphorus Harvesting from Human Urine Using a Stripping, Absorption, and Precipitation Process
Pradhan, Surendra K.; Mikola, Anna; Vahala, Riku2017 in ENVIRONMENTAL SCIENCE AND TECHNOLOGY (AMER CHEMICAL SOC)ISSN: 0013-936XThe Spatial Distribution of Nitrite Concentrations in a Large Drinking Water Distribution System in Finland
Rantanen, Pirjo-Liisa; Keinänen-Toivola, Minna M.; Ahonen, Merja; Mellin, Ilkka; Zhang, Duoying; Laakso, Tuula; Vahala, Riku2017 in JOURNAL OF WATER RESOURCE AND PROTECTION (AMER CHEMICAL SOC)ISSN: 1945-3094Performance and bacterial community structure of a granular autotrophic nitrogen removal bioreactor amended with high antibiotic concentrations
Rodriguez-Sanchez, Alejandro; Margareto, Alejandro; Robledo-Mahon, Tatiana; Aranda, Elisabet; Diaz-Cruz, Silvia; Gonzalez-Lopez, Jesus; Barcelo, Damia; Vahala, Riku; Gonzalez-Martinez, Alejandro2017 in CHEMICAL ENGINEERING JOURNAL (Elsevier Science)ISSN: 1385-8947Data utilization at finnish water and wastewater utilities Current practices vs. state of the art
Sirkiä, Jukka; Laakso, Tuija; Ahopelto, Suvi; Ylijoki, Ossi; Porras, Jari; Vahala, Riku2017 in UTILITIES POLICY (ELSEVIER SCI LTD)ISSN: 0957-1787Performance and microbial community structure characterization of a CIC anaerobic reactor for the treatment of cassava wastewater
Su, Chengyuan; Lu, Yuxiang; Qin, Jingjing; Zheng, Peng; Qiu, Rui; Chen, Menglin; Vahala, Riku; Wang, Yu2017 in ECOLOGICAL ENGINEERING (Elsevier Science B.V.)ISSN: 0925-8574Toxicological impacts of antibiotics on aquatic micro-organisms A mini-review
Välitalo, Pia; Kruglova, Antonina; Mikola, Anna; Vahala, Riku2017 in INTERNATIONAL JOURNAL OF HYGIENE AND ENVIRONMENTAL HEALTH (Urban und Fischer Verlag Jena)ISSN: 1438-4639Synthesis, characterization and exploitation of nano-TiO2/feldspar-embedded chitosan beads towards UV-assisted adsorptive abatement of aqueous arsenic (As)
Yazdani, Roza; Bhatnagar, Amit; Vahala, Riku2017 in CHEMICAL ENGINEERING JOURNAL (Elsevier Science)ISSN: 1385-8947Performance and bacterial community dynamics of a CANON bioreactor acclimated from high to low operational temperatures
Gonzalez-Martinez, Alejandro; Rodriguez-Sanchez, Alejandro; Jesus Garcia-Ruiz, Maria; Munoz-Palazon, Babara; Cortes-Lorenzo, Carmen; Osorio, Franscisco; Vahala, Riku2016 in CHEMICAL ENGINEERING JOURNAL (Elsevier Science)ISSN: 1385-8947Detection of comammox bacteria in full-scale wastewater treatment bioreactors using tag-454-pyrosequencing
Gonzalez-Martinez, Alejandro; Rodriguez-Sanchez, Alejandro; van Loosdrecht, M. C M; Gonzalez-Lopez, Jesus; Vahala, Riku2016 in ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH (SPRINGER HEIDELBERG)ISSN: 0944-1344Adaptive data-derived anomaly detection in the activated sludge process of a large-scale wastewater treatment plant
Haimi, Henri; Mulas, Michela; Corona, Francesco; Marsili-Libelli, Stefano; Lindell, Paula; Heinonen, Mari; Vahala, Riku2016 in ENGINEERING APPLICATIONS OF ARTIFICIAL INTELLIGENCE (Elsevier Limited)ISSN: 0952-1976Nitrous Oxide Production at a Fully Covered Wastewater Treatment Plant Results of a Long-Term Online Monitoring Campaign
Kosonen, Heta; Heinonen, Mari; Mikola, Anna; Haimi, Henri; Mulas, Michela; Corona, Francesco; Vahala, Riku2016 in ENVIRONMENTAL SCIENCE AND TECHNOLOGY (AMER CHEMICAL SOC)ISSN: 0013-936XComparative study of emerging micropollutants removal by aerobic activated sludge of large laboratory-scale membrane bioreactors and sequencing batch reactors under low-temperature conditions
Kruglova, Antonina; Kråkström, Matilda; Riska, Mats; Mikola, Anna; Rantanen, Pirjo; Vahala, Riku; Kronberg, Leif2016 in BIORESOURCE TECHNOLOGY (ELSEVIER SCI LTD)ISSN: 0960-8524Chemical Synthesis and Self-Assembly of a Ladderane Phospholipid
Mercer, Jaron A M; Cohen, Carolyn M.; Shuken, Steven R.; Wagner, Anna M.; Smith, Myles W.; Moss, Frank R.; Smith, Matthew D.; Vahala, Riku; Gonzalez-Martinez, Alejandro; Boxer, Steven G.; Burns, Noah Z.2016 in Journal of the American Chemical Society (American Chemical Society ACS)ISSN: 0002-7863Full-scale implementation of an advanced control system on a biological wastewater treatment plant
Mulas, Michela; Corona, Francesco; Sirviö, Jukka; Hyvönen, Seppo; Vahala, Riku2016 in IFAC-PapersOnLine (Elsevier Science Ltd (Pergamon))ISSN: 2405-8963Performance and bacterial community structure of a submerged biofilter subjected to high ammonium and high organic carbon concentrations
Rodriguez-Sanchez, Alejandro; Mikola, Anna; Muñoz-Palazon, Barbara; Vahala, Riku; Gonzalez-Martinez, Alejandro2016 in INTERNATIONAL BIODETERIORATION AND BIODEGRADATION (Elsevier Limited)ISSN: 0964-8305Process performance and bacterial community dynamics of partial-nitritation biofilters subjected to different concentrations of cysteine amino acid
Rodriguez-Sanchez, Alejandro; Munoz-Palazon, Barbara; Maza-Marquez, Paula; Gonzalez-Lopez, Jesus; Vahala, Riku; Gonzalez-Martinez, Alejandro2016 in Biotechnology Progress (Wiley-Blackwell)ISSN: 8756-7938Distribution and microbial community structure analysis of a single-stage partial nitritation/anammox granular sludge bioreactor operating at low temperature
Rodriguez-Sanchez, Alejandro; Purswani, Jessica; Lotti, Tommaso; Maza-Marquez, Paula; van Loosdrecht, M. C M; Vahala, Riku; Gonzalez-Martinez, Alejandro2016 in Environmental Technology (Taylor and Francis Ltd.)ISSN: 0959-3330Adsorptive removal of arsenic(V) from aqueous phase by feldspars Kinetics, mechanism, and thermodynamic aspects of adsorption
Yazdani, Maryam Roza; Tuutijärvi, Tanja; Bhatnagar, Amit; Vahala, Riku2016 in JOURNAL OF MOLECULAR LIQUIDS (Elsevier)ISSN: 0167-7322Microbes in biological processes for municipal landfill leachate treatment Community, function and interaction
Zhang, Duoying; Vahala, Riku; Wang, Yu; Smets, Barth F.2016 in INTERNATIONAL BIODETERIORATION AND BIODEGRADATION (Elsevier Limited)ISSN: 0964-8305Shall we use hardware sensor measurements or soft-sensor estimates? Case study in a full-scale WWTP
Haimi, Henri; Corona, Francesco; Mulas, Michela; Sundell, Laura; Heinonen, Mari; Vahala, Riku2015 in ENVIRONMENTAL MODELLING AND SOFTWARE (ELSEVIER SCI LTD)ISSN: 1364-8152Predictive control of an activated sludge process an application to the Viikinmäki wastewater treatment plant
Mulas, M.; Tronci, S.; Corona, F.; Haimi, H.; Lindell, Paula; Heinonen, M.; Vahala, R.; Baratti, R.2015 in JOURNAL OF PROCESS CONTROL (Elsevier Limited)ISSN: 0959-1524Do wastewater treatment plants act as a potential point source of microplastics? Preliminary study in the coastal Gulf of Finland, Baltic Sea
Talvitie, Julia; Heinonen, Mari; Pääkkönen, Jari-Pekka; Vahtera, Emil; Mikola, Anna; Setälä, Outi; Vahala, Riku2015 in WATER SCIENCE AND TECHNOLOGY (IWA Publishing)ISSN: 0273-1223Biodegradation of ibuprofen, diclofenac and carbamazepine in nitrifying activated sludge under 12 degrees C temperature conditions
Kruglova, Antonina; Ahlgren, Pia; Korhonen, Nasti; Rantanen, Pirjo; Mikola, Anna; Vahala, Riku2014 in SCIENCE OF THE TOTAL ENVIRONMENT (Elsevier Science B.V.)ISSN: 0048-9697Biodegradation of ibuprofen, diclofenac and carbamazepine in nitrifying activated sludge under 12 °C temperature conditions
Kruglova, Antonina; Ahlgren, Pia; Korhonen, Nasti; Rantanen, Pirjo; Mikola, Anna; Vahala, Riku2014 in SCIENCE OF THE TOTAL ENVIRONMENT (Elsevier Science B.V.)ISSN: 0048-9697N2O emissions from secondary clarifiers and their contribution to the total emissions of the WWTP
Mikola, Anna; Heinonen, Mari; Kosonen, Heta; Leppänen, Maarit; Rantanen, Pirjo; Vahala, Riku2014 in WATER SCIENCE AND TECHNOLOGY (IWA Publishing)ISSN: 0273-1223Wasterwater analysis reveals regional variability in exposure to abused drugs and opioids in Finland
Vuori, Erkki; Happonen, Maiju; Gergov, Merja; Nenonen, Timo; Järvinen, Ari; Kerola, Raimo; Vahala, Riku2014 in SCIENCE OF THE TOTAL ENVIRONMENT (Elsevier Science B.V.)ISSN: 0048-9697Monitoring nitrate concentrations in the denitrifying post-filtration unit of a municipal wastewater treatment plant
Corona, Francesco; Mulas, Michela; Haimi, Herni; Sundell, Laura; Heinonen, Mari; Vahala, Riku2013 in JOURNAL OF PROCESS CONTROL (Elsevier Limited)ISSN: 0595-1524Data-derived soft-sensors for biological wastewater treatment plants: An overview
Haimi, Herni; Mulas, Michela; Corona, Francesco; Vahala, Riku2013 in ENVIRONMENTAL MODELLING AND SOFTWARE (ELSEVIER SCI LTD)ISSN: 1364-8152Centralized water and wastewater treatment as a greenhouse gas producer in Finland
Laakso, Tuija; Toivikko, Saijariina; Vahala, Riku2012 in JOURNAL OF WATER AND CIMATE CHANGE (IWA Publishing)ISSN: 2040-2244Full-scale investigation of the influence of flow equalization and prefermentation on nitrification
Mikola, Anna; Rantanen, Pirjo; Vahala, Riku; Rautiainen, Jyri2012 in WATER ENVIRONMENT RESEARCH (Water Environment Federation)ISSN: 1061-4303Nitrate Estimation in the Denitrifying Post-filtration Unit of a Municipal Wastewater Treatment Plant: the Viikinmäki Case
Mulas, Michela; Corona, Francesco; Haimi, Herni; Sundell, Laura; Heinonen, Mari; Vahala, Riku2012 in WATER SCIENCE AND TECHNOLOGY (IWA Publishing)ISSN: 0273-1223Maghemite nanoparticles for As(V) removal: desorption characteristics and adsorbent recovery
Tuutijärvi, Tanja; Vahala, Riku; Sillanpää, Mika; Chen, Guohua2012 in Environmental Technology (Taylor and Francis Ltd.)ISSN: 0959-3330Effect of Competing Anions on Arsenate Adsorption onto Maghemite Nanoparticles
Tuutijärvi, Tanja; Repo, Eveliina; Vahala, Riku; Sillanpää, Mika; Chen, Guohua2012 in CHINESE JOURNAL OF CHEMICAL ENGINEERING (Chemical Industry Press)ISSN: 1004-9541Factors Affecting the Quality of the Plant Influent and Its Suitability for Prefermentation and the Biological Nutrient Removal Process
Mikola, Anna; Vahala, Riku; Rautiainen, Jyri2011 in JOURNAL OF ENVIRONMENTAL ENGINEERING: ASCE (American Society of Civil Engineers (ASCE))ISSN: 0733-9372Process automation in Wastewater Treatment Plants: the Finnish experience
Haimi, Henri; Mulas, Michela; Vahala, Riku2010 in E-WATER (European Water Association)Leakage detection in a real distribution network using a SOM
Aksela, Kia; Vahala, Riku2009 in Urban Water Journal (Taylor and Francis Ltd.)Secondary clarifier conditionsconducting to secondary phosphorus release in a BNR plant
Mikola, Anna; Rautiainen, Jyri; Vahala, Riku2009 in WATER SCIENCE AND TECHNOLOGY (IWA Publishing)ISSN: 0273-1223The effect of GAC filtration on bacterical regrowth and nitrification in a simulated water main.
Vahala, R.; Niemi, R.; Kiuru, H.; Laukkanen, R.1999 in JOURNAL OF APPLIED MICROBIOLOGY (BLACKWELL PUBLISHING)Controlling AOX and THM formation by ozonation and two step GAC filtration
Vahala, R.; Långvik, V.-A.; Laukkanen, R.1999 in WATER SCIENCE AND TECHNOLOGY (IWA Publishing)The effects of nutrients on MOM removal in BAC filtration
Vahala, R.; Moramarco, V.; Niemi, R.; Rintala, J.Laukkanen1998 in Acta hydrochimica et hydrobiologica (John Wiley and Sons Ltd)Evaluating ozone dose for AOC removal in two step GAC-filters
Vahala, R.; Ala-Peijari, T.; Rintala, J.; Laukkanen, R.1998 in WATER SCIENCE AND TECHNOLOGY (IWA Publishing)The evaluation of drinking water treatment performed with HPSEC
Vuorio, E.; Vahala, Riku; Rintala, J.; Laukkanen, R.1998 in ENVIRONMENT INTERNATIONAL (Elsevier Limited)
16S rRNA gene-based characterization of bacteria potentially associated with phosphate and carbonate precipitation from a granular autotrophic nitrogen removal bioreactor
Gonzalez-Martinez, Alejandro; Rodriguez-Sanchez, Alejandro; Rivadeneyra, María Angustias; Rivadeneyra, Almudena; Martin-Ramos, Daniel; Vahala, Riku; Gonzalez-Lopez, Jesús
2017 in APPLIED MICROBIOLOGY AND BIOTECHNOLOGY (SPRINGER)ISSN: 0175-7598
Start-up and operation of an aerobic granular sludge system under low working temperature inoculated with cold-adapted activated sludge from Finland
Gonzalez-Martinez, Alejandro; Muñoz-Palazon, Barbara; Rodriguez-Sanchez, Alejandro; Maza-Márquez, Paula; Mikola, Anna; Gonzalez-Lopez, Jesus; Vahala, Riku
2017 in BIORESOURCE TECHNOLOGY (ELSEVIER SCI LTD)ISSN: 0960-8524
Bacterial diversity and population shifts driven by spotlight wastewater micropollutants in low-temperature highly nitrifying activated sludge
Kruglova, Antonina; Gonzalez-Martinez, Alejandro; Kråkström, Matilda; Mikola, Anna; Vahala, Riku
2017 in SCIENCE OF THE TOTAL ENVIRONMENT (Elsevier Science B.V.)ISSN: 0048-9697
Estimating water and wastewater pipe failure consequences and the most detrimental failure modes
Laakso, Tuija; Ahopelto, Suvi Karoliina; Lampola, Tiia; Kokkonen, Teemu; Vahala, Riku
2017 in Water Science and Technology: Water Supply (IWA Publishing)ISSN: 1606-9749
Nitrogen and Phosphorus Harvesting from Human Urine Using a Stripping, Absorption, and Precipitation Process
Pradhan, Surendra K.; Mikola, Anna; Vahala, Riku
2017 in ENVIRONMENTAL SCIENCE AND TECHNOLOGY (AMER CHEMICAL SOC)ISSN: 0013-936X
The Spatial Distribution of Nitrite Concentrations in a Large Drinking Water Distribution System in Finland
Rantanen, Pirjo-Liisa; Keinänen-Toivola, Minna M.; Ahonen, Merja; Mellin, Ilkka; Zhang, Duoying; Laakso, Tuula; Vahala, Riku
2017 in JOURNAL OF WATER RESOURCE AND PROTECTION (AMER CHEMICAL SOC)ISSN: 1945-3094
Performance and bacterial community structure of a granular autotrophic nitrogen removal bioreactor amended with high antibiotic concentrations
Rodriguez-Sanchez, Alejandro; Margareto, Alejandro; Robledo-Mahon, Tatiana; Aranda, Elisabet; Diaz-Cruz, Silvia; Gonzalez-Lopez, Jesus; Barcelo, Damia; Vahala, Riku; Gonzalez-Martinez, Alejandro
2017 in CHEMICAL ENGINEERING JOURNAL (Elsevier Science)ISSN: 1385-8947
Data utilization at finnish water and wastewater utilities Current practices vs. state of the art
Sirkiä, Jukka; Laakso, Tuija; Ahopelto, Suvi; Ylijoki, Ossi; Porras, Jari; Vahala, Riku
2017 in UTILITIES POLICY (ELSEVIER SCI LTD)ISSN: 0957-1787
Performance and microbial community structure characterization of a CIC anaerobic reactor for the treatment of cassava wastewater
Su, Chengyuan; Lu, Yuxiang; Qin, Jingjing; Zheng, Peng; Qiu, Rui; Chen, Menglin; Vahala, Riku; Wang, Yu
2017 in ECOLOGICAL ENGINEERING (Elsevier Science B.V.)ISSN: 0925-8574
Toxicological impacts of antibiotics on aquatic micro-organisms A mini-review
Välitalo, Pia; Kruglova, Antonina; Mikola, Anna; Vahala, Riku
2017 in INTERNATIONAL JOURNAL OF HYGIENE AND ENVIRONMENTAL HEALTH (Urban und Fischer Verlag Jena)ISSN: 1438-4639
Synthesis, characterization and exploitation of nano-TiO2/feldspar-embedded chitosan beads towards UV-assisted adsorptive abatement of aqueous arsenic (As)
Yazdani, Roza; Bhatnagar, Amit; Vahala, Riku
2017 in CHEMICAL ENGINEERING JOURNAL (Elsevier Science)ISSN: 1385-8947
Performance and bacterial community dynamics of a CANON bioreactor acclimated from high to low operational temperatures
Gonzalez-Martinez, Alejandro; Rodriguez-Sanchez, Alejandro; Jesus Garcia-Ruiz, Maria; Munoz-Palazon, Babara; Cortes-Lorenzo, Carmen; Osorio, Franscisco; Vahala, Riku
2016 in CHEMICAL ENGINEERING JOURNAL (Elsevier Science)ISSN: 1385-8947
Detection of comammox bacteria in full-scale wastewater treatment bioreactors using tag-454-pyrosequencing
Gonzalez-Martinez, Alejandro; Rodriguez-Sanchez, Alejandro; van Loosdrecht, M. C M; Gonzalez-Lopez, Jesus; Vahala, Riku
2016 in ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH (SPRINGER HEIDELBERG)ISSN: 0944-1344
Adaptive data-derived anomaly detection in the activated sludge process of a large-scale wastewater treatment plant
Haimi, Henri; Mulas, Michela; Corona, Francesco; Marsili-Libelli, Stefano; Lindell, Paula; Heinonen, Mari; Vahala, Riku
2016 in ENGINEERING APPLICATIONS OF ARTIFICIAL INTELLIGENCE (Elsevier Limited)ISSN: 0952-1976
Nitrous Oxide Production at a Fully Covered Wastewater Treatment Plant Results of a Long-Term Online Monitoring Campaign
Kosonen, Heta; Heinonen, Mari; Mikola, Anna; Haimi, Henri; Mulas, Michela; Corona, Francesco; Vahala, Riku
2016 in ENVIRONMENTAL SCIENCE AND TECHNOLOGY (AMER CHEMICAL SOC)ISSN: 0013-936X
Comparative study of emerging micropollutants removal by aerobic activated sludge of large laboratory-scale membrane bioreactors and sequencing batch reactors under low-temperature conditions
Kruglova, Antonina; Kråkström, Matilda; Riska, Mats; Mikola, Anna; Rantanen, Pirjo; Vahala, Riku; Kronberg, Leif
2016 in BIORESOURCE TECHNOLOGY (ELSEVIER SCI LTD)ISSN: 0960-8524
Chemical Synthesis and Self-Assembly of a Ladderane Phospholipid
Mercer, Jaron A M; Cohen, Carolyn M.; Shuken, Steven R.; Wagner, Anna M.; Smith, Myles W.; Moss, Frank R.; Smith, Matthew D.; Vahala, Riku; Gonzalez-Martinez, Alejandro; Boxer, Steven G.; Burns, Noah Z.
2016 in Journal of the American Chemical Society (American Chemical Society ACS)ISSN: 0002-7863
Full-scale implementation of an advanced control system on a biological wastewater treatment plant
Mulas, Michela; Corona, Francesco; Sirviö, Jukka; Hyvönen, Seppo; Vahala, Riku
2016 in IFAC-PapersOnLine (Elsevier Science Ltd (Pergamon))ISSN: 2405-8963
Performance and bacterial community structure of a submerged biofilter subjected to high ammonium and high organic carbon concentrations
Rodriguez-Sanchez, Alejandro; Mikola, Anna; Muñoz-Palazon, Barbara; Vahala, Riku; Gonzalez-Martinez, Alejandro
2016 in INTERNATIONAL BIODETERIORATION AND BIODEGRADATION (Elsevier Limited)ISSN: 0964-8305
Process performance and bacterial community dynamics of partial-nitritation biofilters subjected to different concentrations of cysteine amino acid
Rodriguez-Sanchez, Alejandro; Munoz-Palazon, Barbara; Maza-Marquez, Paula; Gonzalez-Lopez, Jesus; Vahala, Riku; Gonzalez-Martinez, Alejandro
2016 in Biotechnology Progress (Wiley-Blackwell)ISSN: 8756-7938
Distribution and microbial community structure analysis of a single-stage partial nitritation/anammox granular sludge bioreactor operating at low temperature
Rodriguez-Sanchez, Alejandro; Purswani, Jessica; Lotti, Tommaso; Maza-Marquez, Paula; van Loosdrecht, M. C M; Vahala, Riku; Gonzalez-Martinez, Alejandro
2016 in Environmental Technology (Taylor and Francis Ltd.)ISSN: 0959-3330
Adsorptive removal of arsenic(V) from aqueous phase by feldspars Kinetics, mechanism, and thermodynamic aspects of adsorption
Yazdani, Maryam Roza; Tuutijärvi, Tanja; Bhatnagar, Amit; Vahala, Riku
2016 in JOURNAL OF MOLECULAR LIQUIDS (Elsevier)ISSN: 0167-7322
Microbes in biological processes for municipal landfill leachate treatment Community, function and interaction
Zhang, Duoying; Vahala, Riku; Wang, Yu; Smets, Barth F.
2016 in INTERNATIONAL BIODETERIORATION AND BIODEGRADATION (Elsevier Limited)ISSN: 0964-8305
Shall we use hardware sensor measurements or soft-sensor estimates? Case study in a full-scale WWTP
Haimi, Henri; Corona, Francesco; Mulas, Michela; Sundell, Laura; Heinonen, Mari; Vahala, Riku
2015 in ENVIRONMENTAL MODELLING AND SOFTWARE (ELSEVIER SCI LTD)ISSN: 1364-8152
Predictive control of an activated sludge process an application to the Viikinmäki wastewater treatment plant
Mulas, M.; Tronci, S.; Corona, F.; Haimi, H.; Lindell, Paula; Heinonen, M.; Vahala, R.; Baratti, R.
2015 in JOURNAL OF PROCESS CONTROL (Elsevier Limited)ISSN: 0959-1524
Do wastewater treatment plants act as a potential point source of microplastics? Preliminary study in the coastal Gulf of Finland, Baltic Sea
Talvitie, Julia; Heinonen, Mari; Pääkkönen, Jari-Pekka; Vahtera, Emil; Mikola, Anna; Setälä, Outi; Vahala, Riku
2015 in WATER SCIENCE AND TECHNOLOGY (IWA Publishing)ISSN: 0273-1223
Biodegradation of ibuprofen, diclofenac and carbamazepine in nitrifying activated sludge under 12 degrees C temperature conditions
Kruglova, Antonina; Ahlgren, Pia; Korhonen, Nasti; Rantanen, Pirjo; Mikola, Anna; Vahala, Riku
2014 in SCIENCE OF THE TOTAL ENVIRONMENT (Elsevier Science B.V.)ISSN: 0048-9697
Biodegradation of ibuprofen, diclofenac and carbamazepine in nitrifying activated sludge under 12 °C temperature conditions
Kruglova, Antonina; Ahlgren, Pia; Korhonen, Nasti; Rantanen, Pirjo; Mikola, Anna; Vahala, Riku
2014 in SCIENCE OF THE TOTAL ENVIRONMENT (Elsevier Science B.V.)ISSN: 0048-9697
N2O emissions from secondary clarifiers and their contribution to the total emissions of the WWTP
Mikola, Anna; Heinonen, Mari; Kosonen, Heta; Leppänen, Maarit; Rantanen, Pirjo; Vahala, Riku
2014 in WATER SCIENCE AND TECHNOLOGY (IWA Publishing)ISSN: 0273-1223
Wasterwater analysis reveals regional variability in exposure to abused drugs and opioids in Finland
Vuori, Erkki; Happonen, Maiju; Gergov, Merja; Nenonen, Timo; Järvinen, Ari; Kerola, Raimo; Vahala, Riku
2014 in SCIENCE OF THE TOTAL ENVIRONMENT (Elsevier Science B.V.)ISSN: 0048-9697
Monitoring nitrate concentrations in the denitrifying post-filtration unit of a municipal wastewater treatment plant
Corona, Francesco; Mulas, Michela; Haimi, Herni; Sundell, Laura; Heinonen, Mari; Vahala, Riku
2013 in JOURNAL OF PROCESS CONTROL (Elsevier Limited)ISSN: 0595-1524
Data-derived soft-sensors for biological wastewater treatment plants: An overview
Haimi, Herni; Mulas, Michela; Corona, Francesco; Vahala, Riku
2013 in ENVIRONMENTAL MODELLING AND SOFTWARE (ELSEVIER SCI LTD)ISSN: 1364-8152
Centralized water and wastewater treatment as a greenhouse gas producer in Finland
Laakso, Tuija; Toivikko, Saijariina; Vahala, Riku
2012 in JOURNAL OF WATER AND CIMATE CHANGE (IWA Publishing)ISSN: 2040-2244
Full-scale investigation of the influence of flow equalization and prefermentation on nitrification
Mikola, Anna; Rantanen, Pirjo; Vahala, Riku; Rautiainen, Jyri
2012 in WATER ENVIRONMENT RESEARCH (Water Environment Federation)ISSN: 1061-4303
Nitrate Estimation in the Denitrifying Post-filtration Unit of a Municipal Wastewater Treatment Plant: the Viikinmäki Case
Mulas, Michela; Corona, Francesco; Haimi, Herni; Sundell, Laura; Heinonen, Mari; Vahala, Riku
2012 in WATER SCIENCE AND TECHNOLOGY (IWA Publishing)ISSN: 0273-1223
Maghemite nanoparticles for As(V) removal: desorption characteristics and adsorbent recovery
Tuutijärvi, Tanja; Vahala, Riku; Sillanpää, Mika; Chen, Guohua
2012 in Environmental Technology (Taylor and Francis Ltd.)ISSN: 0959-3330
Effect of Competing Anions on Arsenate Adsorption onto Maghemite Nanoparticles
Tuutijärvi, Tanja; Repo, Eveliina; Vahala, Riku; Sillanpää, Mika; Chen, Guohua
2012 in CHINESE JOURNAL OF CHEMICAL ENGINEERING (Chemical Industry Press)ISSN: 1004-9541
Factors Affecting the Quality of the Plant Influent and Its Suitability for Prefermentation and the Biological Nutrient Removal Process
Mikola, Anna; Vahala, Riku; Rautiainen, Jyri
2011 in JOURNAL OF ENVIRONMENTAL ENGINEERING: ASCE (American Society of Civil Engineers (ASCE))ISSN: 0733-9372
Process automation in Wastewater Treatment Plants: the Finnish experience
Haimi, Henri; Mulas, Michela; Vahala, Riku
2010 in E-WATER (European Water Association)Leakage detection in a real distribution network using a SOM
Aksela, Kia; Vahala, Riku
2009 in Urban Water Journal (Taylor and Francis Ltd.)Secondary clarifier conditionsconducting to secondary phosphorus release in a BNR plant
Mikola, Anna; Rautiainen, Jyri; Vahala, Riku
2009 in WATER SCIENCE AND TECHNOLOGY (IWA Publishing)ISSN: 0273-1223
The effect of GAC filtration on bacterical regrowth and nitrification in a simulated water main.
Vahala, R.; Niemi, R.; Kiuru, H.; Laukkanen, R.
1999 in JOURNAL OF APPLIED MICROBIOLOGY (BLACKWELL PUBLISHING)Controlling AOX and THM formation by ozonation and two step GAC filtration
Vahala, R.; Långvik, V.-A.; Laukkanen, R.
1999 in WATER SCIENCE AND TECHNOLOGY (IWA Publishing)The effects of nutrients on MOM removal in BAC filtration
Vahala, R.; Moramarco, V.; Niemi, R.; Rintala, J.Laukkanen
1998 in Acta hydrochimica et hydrobiologica (John Wiley and Sons Ltd)Evaluating ozone dose for AOC removal in two step GAC-filters
Vahala, R.; Ala-Peijari, T.; Rintala, J.; Laukkanen, R.
1998 in WATER SCIENCE AND TECHNOLOGY (IWA Publishing)The evaluation of drinking water treatment performed with HPSEC
Vuorio, E.; Vahala, Riku; Rintala, J.; Laukkanen, R.
1998 in ENVIRONMENT INTERNATIONAL (Elsevier Limited)Conference proceedingsArsenic removal using nano-TiO2/chitosan/feldspar hybrid: Bio-bead development and arsenate adsorption
Yazdani, M.; Haimi, H.; Vahala, R.; Janiszewski, Mateusz; Bhatnagar, Amit2016 in Arsenic in the Environment - Proceedings (TAYLOR & FRANCIS)ISBN: 9781138029415ISSN: 2154-6568Microbes in municipal landfill leachate treatment: community, function and interaction
Zhang, Duoying; Vahala, Riku; Wang, Yu; Smets, Barth F.2015 ISBN: 978-0-646-94506-4Data derived sensor fault detection in the activated sludge process of the Viikinmäki wastewater treatment plant
Haimi, Henri; Mulas, Michela; Corona, Francesco; Marsili-Libelli, Stefano; Lindell, Paula; Heinonen, Mari; Vahala, Riku2013 Shall we use hardware sensor measurements or soft-sensor estimates?Case study in a full-scale WWTP
Haimi, Haimi; Mulas, Michela; Corona, Francesco; Lindell, Paula; Heinonen, Mari; Vahala, Riku2013 An application of predictive control to the Viikinmäki wastewater treatment plant
Mulas, Michela; Tronci, Stefania; Corona, Francesco; Haimi, Henri; Lindell, Paula; Heinonen, Mari; Vahala, Riku; Baratti, Roberto2013 ISSN: 0000-0000Outlier detection for the denitrifying post-filtration unit of a municipal wastewater treatment plant: The Viikinmäki case
Haimi, Henri; Mulas, Michela; Corona, Francesco; Sundell, Laura; Heinonen, Mari; Vahala, Riku2011 Estimating nitrate concentration in the post-denitri?cation unit of a municipal wastewater treatment plant
Mulas, Michela; Corona, Francesco; Haimi, Henri; Sundell, Laura; Heinonen, Mari; Vahala, Riku2011 Nitrate estimation in the denitrifying post-filtration unit of a municipal wastewater treatment plant: The Viikinmäki case
Mulas, Michela; Corona, Francesco; Haimi, Henri; Sundell, Laura; Heinonen, Mari; Vahala, Riku2011 The effect of sewer network conditions on the quality of plant influent waste water and the performance of the BNR process
Mikola, Anna; Vahala, Riku; Rautiainen, Jyri2009 ISSN: 1938-6478Secondary clarifier conditions conducting to secondary phosphorus release in a BNR plant
Mikola, Anna; Rautiainen, Jyri; Vahala, Riku2009 New requirements to safeguard Finnish drinking water
Keinänen, J.; Vahala, Riku2008 The effect of contact time, pH and ozone dose on the formation of biodegradable NOM during ozonation
Vahala, R.; Miettinen, I.; Laukkanen, R.1998 Evaluation of operational conditions for intermediate ozonation
Vahala, R.; Miettinen, I; Korhonen, S.; Laukkanen, R.1998 The effect of drinking water treatment on NOM characteristics analysed with HPSEC
Vuorio, E.; Vahala, R.; Rintala, J.; Laukkanen, R.1997
Arsenic removal using nano-TiO2/chitosan/feldspar hybrid: Bio-bead development and arsenate adsorption
Yazdani, M.; Haimi, H.; Vahala, R.; Janiszewski, Mateusz; Bhatnagar, Amit
2016 in Arsenic in the Environment - Proceedings (TAYLOR & FRANCIS)ISBN: 9781138029415
ISSN: 2154-6568
Microbes in municipal landfill leachate treatment: community, function and interaction
Zhang, Duoying; Vahala, Riku; Wang, Yu; Smets, Barth F.
2015 ISBN: 978-0-646-94506-4
Data derived sensor fault detection in the activated sludge process of the Viikinmäki wastewater treatment plant
Haimi, Henri; Mulas, Michela; Corona, Francesco; Marsili-Libelli, Stefano; Lindell, Paula; Heinonen, Mari; Vahala, Riku
2013 Shall we use hardware sensor measurements or soft-sensor estimates?Case study in a full-scale WWTP
Haimi, Haimi; Mulas, Michela; Corona, Francesco; Lindell, Paula; Heinonen, Mari; Vahala, Riku
2013 An application of predictive control to the Viikinmäki wastewater treatment plant
Mulas, Michela; Tronci, Stefania; Corona, Francesco; Haimi, Henri; Lindell, Paula; Heinonen, Mari; Vahala, Riku; Baratti, Roberto
2013 ISSN: 0000-0000
Outlier detection for the denitrifying post-filtration unit of a municipal wastewater treatment plant: The Viikinmäki case
Haimi, Henri; Mulas, Michela; Corona, Francesco; Sundell, Laura; Heinonen, Mari; Vahala, Riku
2011 Estimating nitrate concentration in the post-denitri?cation unit of a municipal wastewater treatment plant
Mulas, Michela; Corona, Francesco; Haimi, Henri; Sundell, Laura; Heinonen, Mari; Vahala, Riku
2011 Nitrate estimation in the denitrifying post-filtration unit of a municipal wastewater treatment plant: The Viikinmäki case
Mulas, Michela; Corona, Francesco; Haimi, Henri; Sundell, Laura; Heinonen, Mari; Vahala, Riku
2011 The effect of sewer network conditions on the quality of plant influent waste water and the performance of the BNR process
Mikola, Anna; Vahala, Riku; Rautiainen, Jyri
2009 ISSN: 1938-6478
Secondary clarifier conditions conducting to secondary phosphorus release in a BNR plant
Mikola, Anna; Rautiainen, Jyri; Vahala, Riku
2009 New requirements to safeguard Finnish drinking water
Keinänen, J.; Vahala, Riku
2008 The effect of contact time, pH and ozone dose on the formation of biodegradable NOM during ozonation
Vahala, R.; Miettinen, I.; Laukkanen, R.
1998 Evaluation of operational conditions for intermediate ozonation
Vahala, R.; Miettinen, I; Korhonen, S.; Laukkanen, R.
1998 The effect of drinking water treatment on NOM characteristics analysed with HPSEC
Vuorio, E.; Vahala, R.; Rintala, J.; Laukkanen, R.
1997 Non-refereed scientific articles
Unrefereed journal articlesVedenkäyttö ja automaattinen mittarinluenta
Aksela, Kia; Heino, Timo; Vahala, Riku2011 in VESITALOUS (International Ozone Association)ISSN: 0505-3838Huumejäämät jätevedessä
Vuori, Erkki; Ranta, Merja; Pirhonen, Jaakko; Heinonen, Mari; Vahala, Riku2010 in VESITALOUS (International Ozone Association)ISSN: 0505-3838
Vedenkäyttö ja automaattinen mittarinluenta
Aksela, Kia; Heino, Timo; Vahala, Riku
2011 in VESITALOUS (International Ozone Association)ISSN: 0505-3838
Huumejäämät jätevedessä
Vuori, Erkki; Ranta, Merja; Pirhonen, Jaakko; Heinonen, Mari; Vahala, Riku
2010 in VESITALOUS (International Ozone Association)ISSN: 0505-3838
Unrefereed conference proceedingsPipe-specific criticality classification as a tool for managing risks related to water and wastewater systems
Laakso, Tuija; Lampola, Tiia; Rantala, Jaakko; Kuronen, Reetta; Ahopelto, Suvi; Vahala, Riku2015 ISBN: 9781843395089Soft-sensors in wastewater treatment: The benefits of the data-driven approach
Haimi, Henri; Mulas, Michela; Vahala, Riku; Corona, Francesco2013 ISBN: 978-952-5183-44-3ISSN: 1455-6502Outlier detection for the denitrifying post-filtration unit of a municipal wastewater treatment plant: The Viikinmäki case The Viikinmäki case.
Haimi, Henri; Mulas, Michela; Corona, Francesco; Sundell, Laura; Heinonen, Mari; Vahala, Riku2011 Software-sensors as alternative to hardware-sensors for monitoring the post-denitri?cation unit of a municipal wastewater treatment plant The Viikinmäki case.
Mulas, Michela; Corona, Francesco; Haimi, Henri; Sundell, Laura; Heinonen, Mari; Vahala, Riku2011
Pipe-specific criticality classification as a tool for managing risks related to water and wastewater systems
Laakso, Tuija; Lampola, Tiia; Rantala, Jaakko; Kuronen, Reetta; Ahopelto, Suvi; Vahala, Riku
2015 ISBN: 9781843395089
Soft-sensors in wastewater treatment: The benefits of the data-driven approach
Haimi, Henri; Mulas, Michela; Vahala, Riku; Corona, Francesco
2013 ISBN: 978-952-5183-44-3
ISSN: 1455-6502
Outlier detection for the denitrifying post-filtration unit of a municipal wastewater treatment plant: The Viikinmäki case The Viikinmäki case.
Haimi, Henri; Mulas, Michela; Corona, Francesco; Sundell, Laura; Heinonen, Mari; Vahala, Riku
2011 Software-sensors as alternative to hardware-sensors for monitoring the post-denitri?cation unit of a municipal wastewater treatment plant The Viikinmäki case.
Mulas, Michela; Corona, Francesco; Haimi, Henri; Sundell, Laura; Heinonen, Mari; Vahala, Riku
2011 Scientific books (monographs)
Book (editor)Vesihuoltotekniikan verkostoseminaari
Vahala, R.1998
Vesihuoltotekniikan verkostoseminaari
Vahala, R.
1998 Publications intended for professional communities
Article in professional journalAallon vesitekniikan opetus uudistuu: kohti tulevaisuuden superosaajaa?
Keskinen, Marko; Vahala, Riku2014 in VESITALOUS (TKK/vesihuoltotekniikan laboratorio B1)ISSN: 0505-3838Suomen vesisektorin tulevaisuudesta
Vahala, Riku2008 in VESITALOUS (TKK/vesihuoltotekniikan laboratorio B1)ISSN: 0505-3838Suomen vesiohjelma (2008-2013) on käynnistynyt
Vahala, Riku; Klöve, Björn2008 in VESITALOUS (TKK/vesihuoltotekniikan laboratorio B1)Aktiivilhiilisuodatus osana talousveden valmistusta
Vahala, R.1999 in Kunnalliselämä (TKK/vesihuoltotekniikan laboratorio B1)Puhtaampaa talousvettä
Vahala, R.; Järvinen, A.1997 in Rnet (TKK/vesihuoltotekniikan laboratorio B1)Orgaanisen aineen vähentäminen kaksivaiheisella aktiivihiilisuodatuksella
Vahala, R.; Ala-Peijari, T.; Toivanen, E.1997 in VESITALOUS (TKK/vesihuoltotekniikan laboratorio B1)Removal of NOM by two-step GAC filtration in drinking water treatment - a case study
Vahala, R.; Laukkanen, R.; Järvinen, A.1996 in HUMUS- Nordic humus newsletter (TKK/vesihuoltotekniikan laboratorio B1)Bakteerikasvun vähentäminen vesijohtoverkostossa biologisen aktiivihiilisuodatuksen avulla
Vahala, Riku1995 in Kunnalliselämä (TKK/vesihuoltotekniikan laboratorio B1)Aktiivihiilen käyttö talousveden puhdistuksessa
Vahala, Riku1995 in VESITALOUS (TKK/vesihuoltotekniikan laboratorio B1)
Aallon vesitekniikan opetus uudistuu: kohti tulevaisuuden superosaajaa?
Keskinen, Marko; Vahala, Riku
2014 in VESITALOUS (TKK/vesihuoltotekniikan laboratorio B1)ISSN: 0505-3838
Suomen vesisektorin tulevaisuudesta
Vahala, Riku
2008 in VESITALOUS (TKK/vesihuoltotekniikan laboratorio B1)ISSN: 0505-3838
Suomen vesiohjelma (2008-2013) on käynnistynyt
Vahala, Riku; Klöve, Björn
2008 in VESITALOUS (TKK/vesihuoltotekniikan laboratorio B1)Aktiivilhiilisuodatus osana talousveden valmistusta
Vahala, R.
1999 in Kunnalliselämä (TKK/vesihuoltotekniikan laboratorio B1)Puhtaampaa talousvettä
Vahala, R.; Järvinen, A.
1997 in Rnet (TKK/vesihuoltotekniikan laboratorio B1)Orgaanisen aineen vähentäminen kaksivaiheisella aktiivihiilisuodatuksella
Vahala, R.; Ala-Peijari, T.; Toivanen, E.
1997 in VESITALOUS (TKK/vesihuoltotekniikan laboratorio B1)Removal of NOM by two-step GAC filtration in drinking water treatment - a case study
Vahala, R.; Laukkanen, R.; Järvinen, A.
1996 in HUMUS- Nordic humus newsletter (TKK/vesihuoltotekniikan laboratorio B1)Bakteerikasvun vähentäminen vesijohtoverkostossa biologisen aktiivihiilisuodatuksen avulla
Vahala, Riku
1995 in Kunnalliselämä (TKK/vesihuoltotekniikan laboratorio B1)Aktiivihiilen käyttö talousveden puhdistuksessa
Vahala, Riku
1995 in VESITALOUS (TKK/vesihuoltotekniikan laboratorio B1)Article in professional conference proceedingsBiological removal of pharmaceuticals in Sequencing Batch Reactors and Membrane Bioreactors under low temperature conditions
Mikola, Anna; Kruglova, Antonina; Riska, Mats; Kråkström, Matilda; Gonzalez Martinez, Alejandro; Vahala, Riku; Kronberg, Leif2015 Calcium carbonate powders as alkalization chemicals in nitrogen removal
Mikola, Anna; Karjalainen, Emmi; Aurola, Anne-Mari; Vahala, Riku2015
Biological removal of pharmaceuticals in Sequencing Batch Reactors and Membrane Bioreactors under low temperature conditions
Mikola, Anna; Kruglova, Antonina; Riska, Mats; Kråkström, Matilda; Gonzalez Martinez, Alejandro; Vahala, Riku; Kronberg, Leif
2015 Calcium carbonate powders as alkalization chemicals in nitrogen removal
Mikola, Anna; Karjalainen, Emmi; Aurola, Anne-Mari; Vahala, Riku
2015 Published development or research reportICA at municipal wastewater treatment plants in Finland
Haimi, Henri; Mulas, Michela; Sahlstedt, Kristian; Vahala, Riku2009 Advanced operation and control methods of municipal wastewater treatment processes in Finland operation and control methods of municipal wastewater treatment processes in Finland
Haimi, Henri; Mulas, Michela; Sahlstedt, Kristian; Vahala, Riku2009 ICA situation at municipal wastewater treatment plants in Finland
Haimi, Henri; Mulas, Michela; Sahlstedt, Kristian; Vahala, Riku2009 Kansallisaarteesta elämän lähteeksi
Vahala, Riku; Klöve, Björn2008 The respones of two step GAC-filters to backwashing
Mikola, A.; Vahala, R.; Laukkanen, R.1999 Nitrification in GAC-filtered, UV-disinfected and chloraminated ditribution system
Vahala, R.; Laukkanen, R.1998 The effects of nutrients on NOM removal in BAC filtration
Vahala, R.; Moramarco, V.; Rintala, J.; Laukkanen, R.1997 Removal of TOC by two-step GAC filtration in cold humic waters
Vahala, R.; Rintala, J.; Järvinen, A.1996
ICA at municipal wastewater treatment plants in Finland
Haimi, Henri; Mulas, Michela; Sahlstedt, Kristian; Vahala, Riku
2009 Advanced operation and control methods of municipal wastewater treatment processes in Finland operation and control methods of municipal wastewater treatment processes in Finland
Haimi, Henri; Mulas, Michela; Sahlstedt, Kristian; Vahala, Riku
2009 ICA situation at municipal wastewater treatment plants in Finland
Haimi, Henri; Mulas, Michela; Sahlstedt, Kristian; Vahala, Riku
2009 Kansallisaarteesta elämän lähteeksi
Vahala, Riku; Klöve, Björn
2008 The respones of two step GAC-filters to backwashing
Mikola, A.; Vahala, R.; Laukkanen, R.
1999 Nitrification in GAC-filtered, UV-disinfected and chloraminated ditribution system
Vahala, R.; Laukkanen, R.
1998 The effects of nutrients on NOM removal in BAC filtration
Vahala, R.; Moramarco, V.; Rintala, J.; Laukkanen, R.
1997 Removal of TOC by two-step GAC filtration in cold humic waters
Vahala, R.; Rintala, J.; Järvinen, A.
1996 Effect of emerging micropollutamts on activated sludge bacterial communities in conventional and membrane laboratory-scale bioreactors under 8°C
Kruglova, Antonina; Mikola, Anna; Gonzalez Martinez, Alejandro; Vahala, Riku2016
Effect of emerging micropollutamts on activated sludge bacterial communities in conventional and membrane laboratory-scale bioreactors under 8°C
Kruglova, Antonina; Mikola, Anna; Gonzalez Martinez, Alejandro; Vahala, Riku
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