Dr.sc.ing. senior researcher, (M.Sc.chem) Kristina Tihomirova

  • E-pasts: kristina.tihomirova@rtu.lv

Main research interests:

  • Water and wastewater treatment processes and technologies
  • Optimization of water and wastewater treatment processes
  • Water and wastewater quality
  • Biofiltration technologies

Major papers:

  1. Gruškeviča, K., Būmanis, Ģ., Tihomirova, K., Bajāre, D., Juhna, T. Alkaline Activated Material as the Adsorbent for Uptake of High Concentration of Zinc from Wastewater. Key Engineering Materials, 2016, Vol.721, 123.-127.lpp. ISSN 1662-9795. doi:10.4028/www.scientific.net/KEM.721.123
  2. Tihomirova K., Gruškeviča K., Mežule L., Juhna T. (2016) Application of organic matter fractionation technoque for evaluation of coagulation-biofiltration process at full scale WTP. International Journal of Environmental Engineering, Vol. 3 (1), 6-8.
  3. K.Tihomirova, B.Dalecka and L.Mezule (2016). Application of conventional HPLC RI technique for sugar analysis in hydrolysed hay. Agronomy Research Vol.14(0).
  4. Zajacs, A., Zemītis, J., Prozuments, A., Tihomirova, K., Borodiņecs, A. (2015) Sustainable City Development: Implementation Practices in Riga. Applied Mechanics and Materials, Vol.725-726, 1470-1476.
  5. Oliveira, C., Gruškeviča, K., Juhna, T., Tihomirova, K., Alves, A., Madeira, L. (2014) Removal of Paraquat Pesticide with Fenton Reaction in a Pilot Scale Water System. Drinking Water Engineering and Science, Vol.7, No.1, 11-21.
  6. Zajacs, A., Zemītis, J., Tihomirova, K., Borodiņecs, A. (2014) Concept of Smart City: First Experience from City of Riga. Journal of Sustainable Architecture and Civil Engineering, Vol 7, No 2, 54-59.
  7. Tihomirova, K., Briedis, A., Rubulis, J., Juhna, T. Effect of biomass adaptation to biodegradation of dissolved organic carbon in water (2012) Biodegradation, 23 (2), pp. 319-324.
  8. Tihomirova, K., A. Briedis, Rubulis J. and Juhna T. (2012) Effect of biostimulation on biodegradation of dissolved organic carbon in biological filters, Drink. Water Eng. Sci., 5, 23-29.
  9. Tihomirova K., Neilands K., Rubulis J., Mežinskis G., Pavlovska I., Juhna T. (2010) Optimization of Coagulation Process for Removal on NOM in Humic Rich Water of Riga (Latvia) // Водоочистка, Водоподготовка, Водоснабжение. 8, 18-24.
  10. Tihomirova, K., Rubulis, J., Juhna, T. (2010) Changes of NOM Fractions during Conventional Drinking Water Treatment Process in Riga, Latvia. Water Science and Technology: Water Supply, Vol.10, No.2, 157-163.
  11. Tihomirova, K., Rubulis, J., Juhna, T. (2008) Determination of Biodegradable Dissolved Organic Carbon in Waters: Comparision of Suspended and Attached Biomass Methods. Construction Science. Nr.9, 115-123.

Books:

  1. Zabašta, A., Juhna, T., Tihomirova, K., Rubulis, J., Ribickis, L. (2014) Latvian Practices for Protecting Water and Wastewater Infrastructure. No: Securing Water and Wastewater Systems. Vol.2. S.Hakim, R.Clark red. New York; Dordrecht; London: Springer International Publishing, 315-342 ISBN 9783319010915.
  2. Tihomirova, K. (2011) Natural Organic Matter Removal from Water and Its Influence on the Water Quality in Distribution Network. Saarbrücken: LAP LAMBERT Academic Publishing, 172. ISBN 978-3-8465-2340-7.

Other publications:

  1. Yuri Dekhtyar, Tālis Juhna, Marina Romanova, Anna Stanka, Kristīna Tihomirova. (2016) Modification of Surface Charge of Polypropylene Substrate for Improvement of Microorganism Adhesion in Water Treatment Process. Materials Science (Medziagotyra)
  2. Tihomirova K., Gruškeviča K., Mežule L., Juhna T. (2015) Application of organic matter fractionation technique for evaluation of coagulation-biofiltration process at a full scale WTP. Civil, Structural and Environmental Engineering conference – ACSEE2015, 10-11 October Zurich, Switzerland.
  3. Zajacs, A., Zemītis, J., Tihomirova, K., Borodiņecs, A. (2014)Concept of Smart City: First Experience from City of Riga. No: Proceedings of 4th International Conference “Advanced Construction 2014”, Kaunas University of Technology, 9-10 October Kaunas, pp. 265-265.
  4. Ruģele, K., Gavare, M., Grūbe, M., Tihomirova, K., Skripsts, Ē., Larsona, S., Rubulis, J. (2013) Characterization of Lactose Consumption during the Biogas Production from Acid Whey by FT-IR Spectroscopy. No: International Conference on Environmental, Biological, Ecological Sciences and Engineering (ICEBESE 2013), World Academy of Science, Engineering and Technology, 15-16 May, pp. 253-258.
  5. Tihomirova, K., Dejus, S., Mežule, L., Juhna, T. (2012) Modelling of the Biodegradation Processes in the Biofilters. No: Publications of the IWA 4th Eastern European Young and Senior Water Professionals Conference, Saint Petersburg, 4-5 October,  pp. 446-454.
  6. Neščerecka, A., Tihomirova, K., Rubulis, J. (2012) Determination of Microorganism Growth Potential in Water Supply Systems by Flow Cytometry. No: Riga Technical University 53rd International Scientific Conference: Dedicated to the 150th Anniversary and the 1st Congress of World Engineers and Riga Polytechnical Institute / RTU Alumni: Digest: Riga Technical University 53rd International Scientific Conference: Dedicated to the 150th Anniversary and the 1st Congress of World Engineers and Riga Polytechnical Institute / RTU Alumni, Latvija, Riga, 11-12 October, pp. 421-421.
  7. Brovkina, J., Shulga, G., Ozoliņš, J., Neilands, R., Tihomirova, K., Podjava, A. (2012) Effect of Ozonation of the Pre-Coagulated Model Wastewater on Removal of Wood Pollutants. No: Abstracts of the Riga Technical University 53rd International Scientific Conference Dedicated to the 150th Anniversary and the 1st Congress of World Engineers and Riga Polytechnical institute / RTU Alumni: Section: Material Science and Applied Chemistry, Latvija, Rīga, 11-12 October, pp. 89-89.
  8. Tihomirova K., Mežule L., and Juhna T. (2012) Application of flow cytometry for characterization of biomass during ABE fermentation process//In Proceedings: 20th European Biomass Conference and Exhibition” − Italy: Milan ETA-Florence Renewable Energies, In Press
  9. Tihomirova, K., Gavare, M., Mežule, L., Grūbe, M., Juhna, T. (2011) Application of FT-IR for Characterization of Biomass Isolated from Surface and Drinking Water with High Concentration of Natural Organic Matter. No: The 8th International Conference “Environmental Engineering”: Selected Papers: The 8th International Conference on Environmental Engineering, Lithuania, Vilnius, 19-20 May, pp. 672-678.
  10. Gruškeviča, K., Tihomirova, K., Juhna, T. (2010) Comparison of Methods for Isolation of Natural Organic Matter (NOM) from Loose Deposits of Drinking Water Distribution Systems. No: Integrated Water Resources Management Karlsruhe, Germany, Karlsruhe, 24-25 November, pp. 249-255.
  11. Tihomirova, K., Neilands, K., Rubulis, J., Juhna, T. (2010) Dissolved Organic Matter in Drinking Water Distribution Network of Humus-Rich Waters. No: Integrated Water Resources Managment Karlsruhe 2010: WRM, Germany, Karlsruhe, 24-25 November, pp. 1-1.
  12. Tihomirova, K., Gruškeviča, K., Neilands, R., Juhna, T. (2010) Системы очистки сточных вод и подготовки питьевой воды в Латвии: проблемы и перспективы. No: YWP Workshop at Ecwatech 2010: Conference Paper, Russia, Moscow, 1-1 June,  pp. 1-7.
  13. Tihomirova, K., Neilands, K., Rubulis, J., Mežinskis, G., Pavlovska, I., Juhna, T. (2010) Optimization of Coagulation Process for Removal on NOM in Humic Rich Water of Riga (Latvia). No: Water and Wastewater Treatment Plants in Towns and Communities of the XXI Century: Technologies, Design & Operation, Russia, Moscow, 2-4 June, pp. 1-7.
  14. Tihomirova, K., Grube, M., Juhna, T. (2009) Application of FT-IR for Characterization of Biomass Isolated from Drinking Water . No: XIII European Conference on the Spectroscopy of Biological Molecules, Italy, Palermo, 28 August-2 September, pp. 19-19.
  15. Tihomirova, K., Rubulis, J., Juhna, T., Briedis, A. (2009) Measurements of BDOC Kinetics in Humic-Rich Drinking Water. No: The Conference Proceedings of IWA 1st Eastern European Regional Young Water Professionals Conference, Belarus, Minsk, 21-22 May, pp. 332-338.
  16. Tihomirova, K., Rubulis, J., Juhna, T. (2009) Monitoring of NOM Fractions in Raw Water and in the Water Treatment Plant in Riga, Latvia. No: The Conference Proceedings IWA 1st Eastern European Regional Young Water Professionals Conference, Belarus, Мinsk, 21-22 May, pp. 323-332.
  17. Gruškeviča, K., Tihomirova, K., Rubulis, J., Juhna, T. (2009) Organic Matter Isolation from Loose Deposits in Drinking Water Distribution System. No: The Conference Proceedings 1st IWA East European Regional Young Water Professionals Conference, Belarus, Мinsk, 21-22 May, pp. 278-284.
  18. Gruškeviča, K., Juhna, T., Østerhus, S., Tihomirova, K. (2008) Influence of Water Velocity and NOM Composition on Corrosion of Iron Pipes. No: Cost Action 637 METEAU Materials and Related Substances in Drinking Water: Programme and Abstracts Book, Portugal, Lisbon, 29-31 October, pp. 24-25.
  19. Tihomirova, K., Juhna, T. Changes of NOM Fractions during Optimization of Coagulation Process on the Drinking Water Treatment Process in Riga, Latvia. No: Natural Organic Matter: from Source to Tap: Conference Proceedings, United Kingdom, Bath, 2-4 September, pp. 603-610.
  20. Rubulis J., Tihomirova K., Henning L., Juhna T. (2008) Optimization of NOM Removal During Conventional Drinking Water by NOM-fractionation and LC-OCD Analyses at Daugava WTP in Riga, Latvia // NOM Research from Source to Tap. – Bath, pp. 575-584.
  21. Juhna, T., Rubulis, J., Tihomirova, K. (2008) Changes of NOM Fractions during Conventional Drinking Water Treatment Process in Riga, Latvia. No: 5th IWA Leading Edge Conference on Water and Wastewater Technologies, Switzerland, Zürich, 1-4 June, pp. 120-128.
  22. Juhna, T., Tihomirova, K., Koliškins, A., Nazarovs, S., Rubulis, J., Lukjaņeca, I., Vital, M., Hammes, F. (2007) Simulation of Bacterial Regrowth in Water Networks by Modelling of Pseudomonas Fluorescens Growth in a Lab Biofilm Reactor. No: Proceedings of the Combined International Conference of Computing and Control for the Water Industry (CCWI 2007) and Sustainable Urban Water Management (SUWM 2007), United Kingdom, Leicester, 3-5 September, pp. 229-236.