All Stories

  1. Life cycle assessment of hydrogen and helium as carrier gases in gas chromatography analysis

    Article • Green Chemistry, January 2026, Royal Society of Chemistry

    Ivan Kozyatnyk

  2. Early-stage sustainability assessment of greywater treatment with Moringa oleifera seed extract and biochar

    Article • Journal of Cleaner Production, January 2026, Elsevier

    Ivan Kozyatnyk

  3. TOWARDS A CIRCULAR AND SUSTAINABLE UKRAINE: LIFE CYCLE ASSESSMENT PROGRESS IN POLICY, TECHNOLOGY, AND ACADEMIA

    Article • Матеріали міжнародної науково-практиченої конференції "Екологія Людина Суспільство", November 2025, Kyiv Politechnic Institute

    Ivan Kozyatnyk

  4. AI-accelerated innovations in photodegradation and depolymerization of waste plastics: a critical review on mechanistic insights, environmental impact, and future perspectives

    Article • European Polymer Journal, November 2025, Elsevier

    Ivan Kozyatnyk

  5. Adsorption of organic contaminants of emerging concern using microalgae-derived hydrochars

    Article • Scientific Reports, March 2025, Springer Science + Business Media

    Ivan Kozyatnyk

  6. Impact of Chemical and Physical Treatments on the Structural and Surface Properties of Activated Carbon and Hydrochar

    Article • ACS Sustainable Chemistry & Engineering, February 2025, American Chemical Society (ACS)

    Ivan Kozyatnyk

  7. Exploring biochar and Moringa oleifera seed proteins for greywater remediation on small farms

    Article • Bioresource Technology, August 2024, Elsevier

    Ivan Kozyatnyk

  8. Emission of volatile organic compounds during open fire cooking with wood biomass: Traditional three-stone open fire vs. gasifier cooking stove in rural Kenya

    Article • The Science of The Total Environment, July 2024, Elsevier

    Ivan Kozyatnyk

  9. Emission of Volatile Organic Compounds During Open Fire Cooking with Wood Biomass: Traditional Three-Stone Open Fire vs. Gasifier Cooking Stove in Rural Kenya

    Article • January 2024, Elsevier

    Ivan Kozyatnyk

  10. Use of biochar and Moringa oleifera in greywater treatment to remove heavy metals and contaminants of emerging concern

    Article • Bioresource Technology Reports, December 2023, Elsevier

    Ivan Kozyatnyk

  11. Effect of Product Removal in Hydrogen Peroxide Electrosynthesis on Mesoporous Chromium(III) Oxide

    Article • ACS Applied Nano Materials, October 2023, American Chemical Society (ACS)

    Ivan Kozyatnyk

  12. Influence of hydrothermal carbonization conditions on the porosity, functionality, and sorption properties of microalgae hydrochars

    Article • Scientific Reports, May 2023, Springer Science + Business Media

    Ivan Kozyatnyk

  13. Impact of temperature and residence time on the hydrothermal carbonization of organosolv lignin

    Article • Journal of Analytical and Applied Pyrolysis, September 2022, Elsevier

    Ivan Kozyatnyk

  14. Removal of contaminants of emerging concern from multicomponent systems using carbon dioxide activated biochar from lignocellulosic feedstocks

    Article • Bioresource Technology, November 2021, Elsevier

    Ivan Kozyatnyk

  15. Regeneration of saturated activated carbon by electro-peroxone and ozonation: Fate of micropollutants and their transformation products

    Article • The Science of The Total Environment, July 2021, Elsevier

    Ivan Kozyatnyk

  16. Self-generation of low ash carbon microspheres from the hydrothermal supernatant of anaerobic digestate: Formation insights and supercapacitor performance

    Article • Chemical Engineering Journal Advances, May 2021, Elsevier

    Ivan Kozyatnyk

  17. New approach for the assessment of the contribution of adsorption, biodegradation and self-bioregeneration in the dynamic process of biologically active carbon functioning

    Article • Chemosphere, June 2020, Elsevier

    Ivan Kozyatnyk

  18. Comparative environmental assessment of end-of-life carbonaceous water treatment adsorbents

    Article • Bioresource Technology, April 2020, Elsevier

    Ivan Kozyatnyk

  19. Valorization of Humic Acids by Hydrothermal Conversion into Carbonaceous Materials: Physical and Functional Properties

    Article • ACS Sustainable Chemistry & Engineering, January 2019, American Chemical Society (ACS)

    Ivan Kozyatnyk

  20. Multivariate assessment of barriers materials for treatment of complex groundwater rich in dissolved organic matter and organic and inorganic contaminants

    Article • Journal of Environmental Chemical Engineering, August 2017, Elsevier

    Ivan Kozyatnyk

  21. Fractionation and size-distribution of metal and metalloid contaminants in a polluted groundwater rich in dissolved organic matter

    Article • Journal of Hazardous Materials, November 2016, Elsevier

    Ivan Kozyatnyk

  22. Filtration Materials for Groundwater: A Guide to Good Practice

    Article • Water Intelligence Online, May 2016, IWA Publishing

    Ivan Kozyatnyk

  23. Adsorption of Natural Organic Matter onto the Products of Water-Pipe Corrosion

    Article • Water Air & Soil Pollution, June 2015, Springer Science + Business Media

    Ivan Kozyatnyk

  24. On the leaching of mercury by brackish seawater from permeable barriers materials and soil

    Article • Journal of Environmental Chemical Engineering, June 2015, Elsevier

    Ivan Kozyatnyk

  25. Evaluation of barrier materials for removing pollutants from groundwater rich in natural organic matter

    Article • Water Science & Technology Water Supply, April 2014, IWA Publishing

    Ivan Kozyatnyk

  26. Oxidized fulvic acid adsorption on activated carbon

    Article • Water Science & Technology Water Supply, September 2013, IWA Publishing

    Ivan Kozyatnyk

  27. Influence of oxidation on fulvic acids composition and biodegradability

    Article • Chemosphere, August 2013, Elsevier

    Ivan Kozyatnyk

  28. Removing of fulvic acids by ozonation and biological active carbon filtration

    Article • Water Research, October 2010, Elsevier

    Ivan Kozyatnyk

  29. Equilibrium adsorption of fulvic acids on activated carbon and its dependance on preozonization of solutions

    Article • Journal of Water Chemistry and Technology, August 2010, Allerton Press

    Ivan Kozyatnyk

  30. The effect of water ozonation on the efficiency of extracting natural organic matter during filtration through biologically activated carbon

    Article • Journal of Water Chemistry and Technology, June 2010, Allerton Press

    Ivan Kozyatnyk

  31. The change of the content in water of biologically accessible organic carbon in the course of water treatment

    Article • Journal of Water Chemistry and Technology, December 2009, Allerton Press

    Ivan Kozyatnyk

  32. Adsorption and heterogeneous catalytic oxidation of organic matter in aqueous solutions

    Article • Journal of Water Chemistry and Technology, October 2009, Allerton Press

    Ivan Kozyatnyk

  33. The effect of preliminary ozonization on the bioregeneration of activated carbon during its long-term service

    Article • Journal of Water Chemistry and Technology, August 2009, Allerton Press

    Ivan Kozyatnyk

  34. Influence of surface chemistry and structure of activated carbon on adsorption of fulvic acids from water solution

    Article • Water Science & Technology Water Supply, July 2009, IWA Publishing

    Ivan Kozyatnyk

  35. Adsorption-catalytic removal of fulvic acids on activated carbons in the presence of hydrogen peroxide

    Article • Journal of Water Chemistry and Technology, April 2009, Allerton Press

    Ivan Kozyatnyk

  36. The impact of surface chemistry of activated carbon and its structure on adsorption of fulvic acids from aqueous solutions

    Article • Journal of Water Chemistry and Technology, December 2008, Allerton Press

    Ivan Kozyatnyk

  37. The impact of various oxidation modes on the variation of structural characteristics of activated carbon

    Article • Journal of Water Chemistry and Technology, October 2008, Allerton Press

    Ivan Kozyatnyk

  38. The use of hydrogen peroxide for raising the efficiency of filter operation with biologically activated carbon

    Article • Journal of Water Chemistry and Technology, April 2008, Allerton Press

    Ivan Kozyatnyk

  39. Natural bioregeneration of activated carbons in filters for add-on treatment of drinking water during their continuous operation

    Article • Journal of Water Chemistry and Technology, December 2007, Allerton Press

    Ivan Kozyatnyk