Borys Zlobenko

: 9 mars 2020

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State Institution "Institute of Environmental Geochemistry of the National Academy of Sciences of Ukraine" is a state nonprofit scientific institution with the rights of a legal entity. SI "IEG NAS of Ukraine" is a leading scientific institution dealing with the problems of radioactive waste management, and ecological and radiation safety. The Institute is subordinated to the National Academy of Sciences of Ukraine as a part of the Nuclear Physics and Energy Department.

The Institute staff carries out fundamental and applied research in the sphere of:

  • scientific support of nuclear fuel cycle;
  • geochemistry, radiogeochemistry;
  • technogenic and environmental safety;
  • problems of decontamination of territories and equipment;
  • mathematic modelling technogenic processes;
  • instrument-making in the sphere of nuclear, radiation and environmental safety

The Institute supported the scientific program of the European Commission project "European Technology Platform - Implementation of the Geological Waste Disposal" and became its member []

Our Institute conducts research and development activities to address all kinds of problems from laboratory research to final implementation of the technological processes. Our Institute developed an innovative solution that offers cost effective solution to utilization problematic radioactive and hazardous waste, such as oil-contaminated waste, sludge and health care waste containing radioactive substances. We uses technology of gasification that allows utilizing waste of different type with a minimum environmental ; The objective of the project is to  study, which includes first focusing on the decomission radioactive waste.

 Developing and investigation of host matrices suitable for immobilization of rarioactive ROLW/organics sludge. As practice shows, methods based on the use of different sorbents are most effective. Among the well-known sorbents, their advantages are highly dispersed nanosorbents on the basis of thermo-expanded graphite (TEG).Process immobilisation is more difficulties in compare with immobilisation of inorganic perlite in cement. The main difference lies in the fact that, ROLW /organic sludge are not compatible with inorganic matrix. It means does not exist significant interaction between particles of geopolymer matrix. Better interaction- reduction of the surface tension of organic particles can be achieved adding of special additives. Scientific scope includes the bread research of solidification process and properties of produced compounds with main objective – to provide the production of matrix satisfied waste acceptance criteria and requirements. It planned to study physical-chemical processes occurring at production of clay-cement compound and geopolymer: heat generation, mixing method, liquid and sludge phase arising and others. It will be determinate all main characteristics of matrix compounds (mechanical stability, water resistance and others).

The Institute experts closely worked in EuropeAid projects :

  • Contract OSAT-E № 21-03/020-1253 “Integrated waste management programme for ChNPP”, Kiev, Ukraine, 2003
  • Tacis project “Development of a National Strategy and Concept for State Programme for Radioactive Waste Management in Ukraine”
  • INSC Project – “Improvement of the Infrastructure for radioactive waste management in the Chernobyl Exclusion Zone. Phase I: Safety Assessment, Ukraine”, 2010-2012
  • INSC Project – – B “Disposal concepts for radioactive waste in Ukraine”
  • The Institute contributed to a number of collaborative projects, including IAEA coordinated research project: “Treatment of Irradiated Graphite to Meet Waste Acceptance Criteria for Disposal”, the EURATOM Project: “CArbon-14 Source Term”, (CAST WP5-Graphite) and IAEA research agreement: "Behaviors of Cementitous Materials in Long Term Storage and Disposal -IAEA-TECDOC-1701 and CRP on Processing Technologies for High Level Waste, Formulation of Matrices and Characterization of Waste Forms (IAEA agreement №17169).

Mots clés et domaine d'activité:

 Sciences de la Terre
 Innovation & Recherche

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