Институт по катализ
Българска академия на науките

Институт по катализ
Българска академия на науките

ул. Акад. Г. Бончев, сграда 11,
София 1113

тел: 02 9793563;
факс: 02 9712967;
e-mail: icatalys@ic.bas.bg

www.ic.bas.bg > Лични данни English

Лични данни  
Юрий Кълвачев
Проф., д-р
Заместник-директор

(+359 2) 9793989
(+359) 878 457425

email: kalvachev@ic.bas.bg


Области на научен интерес
  • Синтез на микропорести и мезопорести материали
  • Синтезно и постсинтезно модифициране на зеолити
  • Зеолитизация на въглищна пепел
  • Адсорбция на въглероден диоксид върху зеолити
  • Катализ за опазване на околната среда 

 Публикации:

1.      L. Dimitrov, V. Valtchev, D. Nihtianova, Yu. Kalvachev, Submicrometer Zeolite A Crystals Formation: Low-Temperature Crystallization Versus Vapor Phase Gel Transformation, Cryst. Growth Des., 11,4958–4962, 2011.
2.      C. Hamciuc, E. Hamciuc, L. Okrasa, Yu. Kalvachev, The effect of zeolite L content on dielectric behaviour and thermal stability of polyimide thin films, J.Mater.Sci., 47, 6354-6365, 2012.
3.      Yu. Kalvachev, M. Jaber, V. Mavrodinova, L. Dimitrov, D. Nihtianova, V. Valtchev, Seeds-induced fluoride media synthesis of nanosized zeolite Betacrystals, Microporous and Mesoporous Materials,177,  127–134, 2013.
4.      E.  Hamciuc, C. Hamciuc,V. Musteata, Yu. Kalvachev, A. Wolinska-Grabczyk, Preparation and characterizationof new polyimide films containingzeolite L and/or silica, High performance polymers, 26(2) 175–187, 2014.
5.      T. Todorova, Yu. Kalvachev, Seed-mediated approach to size-controlled synthesis of a mordenite type zeolite from organic template free initial gel, Bulg. Chem.Commun., 47, 409-416, 2015.
6.      S. Boycheva, D. Zgureva, B. Barbov, Yu. Kalvachev, Synthetic Micro-and Nanocrystalline Zeolites for Environmental Protection Systems in “Nanoscience Advances in CBRN Agents Detection”, NATO Science for Peace and Security Series A: Chemistry and Biology, Petkov, P., Tsiulyanu, D., Kulisch, W., & Popov, C. (Eds.) Springer, pp. 443-450, ISBN 978-94-017-9697, 2015
7.      E. Hamciuc, M. Ignat, C. Hamciuc, I. Stoica, L. Dimitrov, Yu. Kalvachev, M. Olariu,Electromechanical propertiesof polyimide composites–containing titanium dioxide nanotubes, High performance polymers, 27, 590-598, 2015.
8.      B. Barbov, Yu. Kalvachev, Seed-assisted synthesis of nanosized Beta zeolite, Compt. rend. Acad. bulg. Sci., 68, 983-990, 2015.
9.      Yu. Kalvachev, D. Zgureva, S. Boycheva, B. Barbov, N. Petrova, Synthesis of carbon dioxide adsorbents by zeolitization of fly ash, J.Therm.Anal.Calor., 124 (1), 101-106, DOI: 10.1007/s10973-015-5148-1, 2016.
10. T. Todorova, Yu. Kalvachev, H. Lazarova, M. Popova, Catalytic activity of modified mordenite in the reaction of m-xylene transformation, Compt. rend. Acad. bulg. Sci., 69 (10), 1283-1290, 2016.
11. K. Mladenova, S. Petrova, T. Andreeva, V. Moskova-Doumanova, T. Topouzova-Hristova, Yu. Kalvachev, K. Balashev, S. Bhattacharya, Ch. Chakarova, Z. Lalchev, J. Doumanov, Effects of Ca2+ ions on bestrophin-1 surface films, Colloids and Surfaces B: Biointerfaces, 149, 226-232, 2017.
12. M. Olariu, C. Hamciuc, L. Okrasa, E. Hamciuc, L. Dimitrov, Yu. Kalvachev, Electrical properties of polyimide composite films containing TiO2 nanotubes, Polymer Composites, DOI: 10.1002/pc.23851, 2017.
13. Yu. Kalvachev, T. Todorova, D. Nihtianova, H. Lazarova, M. Popova, Fluoride etching of mordenite and its influence on catalytic activity, J. Mater. Sci, 52,  5297-5308,DOI: 10.1007/s10853-017-0769-3, 2017.
14. M. Popova, H. Lazarova, Yu. Kalvachev, T. Todorova, A. Szegedi, P. Shestakova, G. Mali,V. Dasireddy, B. Likozar, Zr-modified hierarchical mordenite as heterogeneous catalyst for glycerol esterification, Catalysis Communication, 100, 10-14, doi: 10.1016/j.catcom.2017.06.009, 2017.
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11 Май 2020
Oбявява процедура за избор на наемател на помещение


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