Source: http://imc.bas.bg/eng/index.php/staff/29-kalvachev-yuri
Timestamp: 2019-04-20 06:45:47+00:00

Document:
M.Sc. in Chemistry, 1988, Sofia University, Sofia, Bulgaria, Thesis title: Interaction of butanols with ZSM-5 zeolites.
"Design of new materials for ecological application" (DOO2-104), Principle Organization – CLMC-BAS; principle investigator (PI), financially supported by NSFB.
"Remote Instrumentation in Next-generation Grids", Principle Organization – CLMC-BAS; PI, financially supported by NSFB.
"Remote Instrumentation in Next-generation Grids", financially supported by the Sixth Framework Programme of the European Commission.
"Gold based catalysts for environmental important reactions", financially supported by Collaborative Lincage Grant of NATO.
1. C. Bezouhanova, C. Dimitrov, V. Nenova, Yu. Kalvachev, and H. Lehert, 1989.
Dehydrogenation of alcohols on HZSM-5 zeolites, Stud.Surf.Sci.Catal., 49, 1223-1231.
2. Yu. Kalvachev, C. Bezouhanova, and H. Lehert, 1991. IR study of interaction of n-butanols with HZSM-5,Zeolites, 11, 73-76.
3. C. Bezouhanova, Yu. Kalvachev, V. Nenova, and H. Lehert, 1991. Dehydrogenation of benzyl alcohols on ZSM-5 zeolites, J.Molec.Catal., 68, 295-300.
4. C. Bezouhanova, Yu. Kalvachev, and H. Lehert, 1992. Interaction of cyclic alcohols with ZSM-5 zeolites, Proc. 7th Int.Symp. Heterogeneous Catalysis, Bourgas, 259-264.
5. C. Bezouhanova, Yu. Kalvachev, and H. Lehert, 1991. Infrared study of cyclohexanol chemisorption in SAPO molecular sieves, J.Chem.Soc., Faraday Trans., 87, 3315-3317.
6. C. Bezouhanova, Yu. Kalvachev, and H. Lehert, 1992. Dehydrogenation of cyclic alcohols in the presence of ZSM-5 zeolites, Catalysis of organic reactions, Marsel Dekker, p. 185-192.
7. Yu. Kalvachev, C. Bezouhanova, and H. Lehert, 1992. Comparison of HZSM-5 and SAPO-5 in 1-hexanol conversion, Collec.Czech.Chem.Commun., 57, 739-744.
8. C. Bezouhanova, Yu. Kalvachev, and H. Lehert, 1992. IR characteristics of alcohol reactivity on HZSM-5 zeolites,J.Molec. Structure, 271, 37-44.
9. Юрий Кълвачев, 1992. Изследване на взаимодействието на алкохоли със зеолити тип пентасил и молекулни сита тип SAPO, Автореферат на дисертация, СУ „Св. Климент Охридски”, София, 36 стр.
10. C. Bezouhanova, Yu. Kalvachev, and H. Lehert, 1993. Active sites in HZSM-5 and SAPO molecular sieves for alcohol conversion, Proceedings of the 10th International Congress on Catalysis, Budapest, 1739-1742.
11. C. Bezoukhanova and Yu. Kalvachev, 1994. Alcohol reactivity on zeolites and molecular sieves, Catal.Rev.–Sci.Eng., 36, 125-143.
12. Yu. Kalvachev, A. Spojakina, N. Kostova, and L. Dimitrov, 1995. Acid-base properties of ALPO-5 molecular sieves modified by nickel and molybdenum, Stud.Surf.Sci.Catal., 90, 413-418.
13. K. Tenchev, Yu. Kalvachev, and C. Bonev, 1996. Diferential scanning calorimetry study of carbon monoxide over Pd/Al2O3 catalysts, Proc.8th Int.Symposium heterogeneous Catalysis, Varna, p.135-140.
14. Yu. Kalvachev, T. Hayashi, S. Tsubota, and M. Haruta, 1997. Selective partial oxidation of propylene to propylene oxide on Au/Ti-MCM catalysts in the presence of hydrogen and oxygen, Stud.Surf.Sci.Catal., 110, 965-972.
15. Yu. Kalvachev, T. Hayashi, S. Tsubota, and M. Haruta, 1999. Vapor-phase selective oxidation of aliphatic hydrocarbons over gold deposited on mesoporous titanium silicates in the co-presence of oxygen and hydrogen,J.Catal., 186, 228-233.
16. Yu. Kalvachev and F. Verpoort, 2000. CuKMo catalysts for simultaneous removal of diesel soot and nitrogen oxides, Proc. 9th Int. Symp. Heterogeneous Catalysis, Varna, p.713-718.
17. Yu.Kalvachev, 2003. Oxidation of hydrocarbons over nanosized gold catalysts, Nanoscience & nanotechnology,3, Eds. E. Balabanova, I. Dragieva, Heron press, Sofia, 45-47.
18. Yu. Kalvachev, V. Kostov-Kytin and H. Papp, 2004. IR investigation of NO adsorption over nanosized gold deposited on titanosilicates ETS-4 and ETS-10 Nanoscience & nanotechnology 4, eds E. Balabanova, I. Dragieva, Heron Press, Sofia, 168-171.
19. V. Kostov-Kytin, Yu. Kalvachev, 2004. Hydrothermal synthesis and characterization of novel sodium zirconosilicates, Micro-and mesoporous mineral Phases, Accademia Nazionale dei Lincei, Rome, 235-240.
20. V. Kostov-Kytin, Yu. Kalvachev, 2005. Synthesis of kenyaite in Zr-containing reaction medium Compt. rend. Acad. bulg. Sci., 58, 185-190.
21. В. Костов-Китин, Ю. Кълвачев, 2005. Хидротермален синтез и характеристика на нови натриеви цирконосиликати. – Юбилеен сборник 10 години Централна лаборатория по минералогия и кристалография “Акад. Иван Костов”, акад. издателство “Марин Дринов”, 159-162.
22. Ю. Кълвачев, В. Костов-Китин, 2005. Златни катализатори, в реакции важни за екологията. – Юбилеен сборник 10 години Централна лаборатория по минералогия и кристалография “Акад. Иван Костов”, акад. издателство “Марин Дринов”, 163-166.
23. V. Kostov-Kytin, B. Mihailova, Yu. Kalvachev, M. Tarasov, 2005. Atomic arrangements in amorphous sodium precursor powders, Microporous and Mesoporous Materials, 86, 223-230.
24. Yu. Kalvachev, V. Kostov-Kytin, S. Todorova, K. Tenchev, G. Kadinov, 2006. Synthetic kenyaite as catalyst support for hydrocarbon combustion, Appl. Catal., B, 66, 192-197.
25. В. Стоилов, И. Дончев, О. Петров, В. Петкова, Ю. Кълвачев, Н. Лихарева, 2006. Минерален състав и сравнителна характеристика на български фосфорити с олигоценска възраст, Rev. Bul. Geol. Soc., 67, 143-148.
26. S. Todorova, K. Tenchev, G. Kadinov, Yu. Kalvachev, V. Kostov-Kytin, 2007. Particle size and support effects on the complete benzene oxidation by Co and Co-Pt catalysts, J. Mater. Sci., 42, 3315-3320.
28. V. Ganev, Yu.Kalvachev, L.Macheva, J. Harizanova, 2007. Grid integration of remote accessed instruments used in the earth sciences, 7th International conference – modern management of mine producing, geology and environmental protection, Albena, Bulgaria, ISBN 954918181-2.
29. Yu. Kalvachev, V. Ganev, L. Macheva, J. Harizanova, 2007. Requirements of user communities for remote accessed instruments in material science, 15th IMEKO Symposium, Iasi, Romania, p. 561-566.
30. V. Kostov-Kytin, S. Ferdov, Yu. Kalvachev, B. Mihailova, O. Petrov, 2007. Hydrotermal synthesis of microporous titanosilicates, Microporous and Mesoporous Materials, 105, 232-238.
31. N. Zidarov, B. Shivachev, Yu. Kalvachev, H. Stanchev, 2007. Caledonite from the madan ore district, central Rhodopes, south Bulgaria, Compt. rend. Acad. bulg. Sci., 60, 1303-1308.
32. Yu.Kalvachev, V. Ganev, L. Macheva, J. Harizanova, B. Harizanov, 2008. Systematization and analysis of remote accessed instruments and user community requirements, in “Grid Enabled Remote Instrumentation”, Series: Signals and Communication Technology, Davoli, F.; Meyer, N.; Pugliese, R.; Zappatore, S. (Eds.), pp. 213-226.
33. R V. Ganev, L. Macheva, Yu. Kalvachev, J. Harizanova, 2008. Remote access and grid opportunities of synchrotron radiation technologies applied in the earth and environmental sciences”, 8th International conference – modern management of mine producing, geology and environmental protection, Albena, Bulgaria, 569-575.
34. V. Stengl, S. Bakardjieva, V. Houskova, N.Petrova, Yu. Kalvachev, 2008. TiO2/ZnS nanocomposites- characterization and visible-light photocatalytic activity, Second International Symposium, Advanced Micro- and Mesoporous materials, K. Hadjiivanov, V. Valtchev, S. Mintova, G. Vayssilov (Eds.), 74-86.
35. N. Zidarov, O. Petrov, M. Tarassov, Z. Damyanov, E. Tarassova, V. Petkova, Yu. Kalvachev, Z. Zlatev, 2009. Mn-rich norsethite from the Kremikovtsi ore deposit, Bulgaria, Neues Jahrbuch fuer Mineralogie – Abhandlungen, 186, 321-331.
36. V. Petkova, Yu. Kalvachev, V. Yaneva, 2009. Phase transformation of mechanically activated nano-sized tunisian natural apatite. Nanoscience & nanotechnology 9, eds E. Balabanova, I. Dragieva, Heron Press, Sofia, 239-243.
37. В. Петкова, Ю. Кълвачев, О. Петров, 2009. Изследване на структурните и спектроскопски свойства на наноразмерни природни апатити” – сборник доклади от I-ви национален кристалографски симпозиум, aкад. издателство „Марин Дринов“, 74-78.
38. Yu. Kalvachev, V. Ganev, L. Macheva, O. Plopa, R. Ciobanu, 2009. Grid-embedded remote instrumentation applied in the earth sciences. 9th International conference – modern management of mine producing, geology and environmental protection, Albena, Bulgaria, 79-86.
39. I. Chepurna, V. Kanibolotskyy, V. Strelko, S. Prudius, S. Meleshevych, Yu. Kalvachev, 2010. Mesoporous Spherically Granulated Sulfated Zirconium Dioxide Synthesized by Sol-Gel Method, Third International Symposium, Advanced Micro- and Mesoporous materials, K. Hadjiivanov, V. Valtchev, S. Mintova, G. Vayssilov (Eds.), 94-105.
40. Yu. Kalvachev, 2010. Dissemination and exploitation of grids in earth science, 10th International conference – modern management of mine producing, geology and environmental protection, Albena, Bulgaria, 1111-1119.
41. V. Georgieva, T. Todorova, L. Dimitrov, D. Nihtianova, Yu. Kalvachev, V. Valtchev, 2011. Effect of silica sources on BEA and MFI type nanozeolite formation, Nanoscience & nanotechnology 11, eds E. Balabanova, I. Dragieva, Heron Press, Sofia, 38-41.
42. L. Dimitrov, V. Valtchev, D. Nihtianova, Yu. Kalvachev, 2011. Submicrometer Zeolite A Crystals Formation: Low-Temperature Crystallization Versus Vapor Phase Gel Transformation, Cryst. Growth Des., 11,4958–4962.
43. C. Hamciuc, E. Hamciuc, L. Okrasa, Yu. Kalvachev, 2012. The effect of zeolite L content on dielectric behaviour and thermal stability of polyimide thin films, J.Mater.Sci., 47, 6354-6365.

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