Personal Page of Dr. Yu. Kalvachev

Yuri Angelov KALVACHEV
Research Associate, Dr.

Institute of Mineralogy and Crystallography (CLMC),
Bulgarian Academy of Sciences (BAS)
Web site: http://www.clmc.bas.bg
1113 Sofia, Acad. G. Bonchev Str., Bl. 107, BULGARIA
Phone: (+3592) 8700161/39; Fax.: (+3592) 9797056;
E-mail: kalvachev@clmc.bas.bg

CURRICULUM VITAE:

Place of birth: Gotse Delchev, Bulgaria
Date of birth: 12th of December 1963
Nationality: Bulgarian

EDUCATION AND ACADEMIC DEGREES OBTAINED:

University education: 1983-1988, Sofia University, Department of Chemistry, Division of Organic Chemistry, Sofia, Bulgaria
M.Sc. in Chemistry, 1988, Sofia University, Sofia, Bulgaria, Thesis title: Interaction of butanols with ZSM-5 zeolites.
Ph.D. in Chemistry, 1993, Sofia University, Department of Chemistry, Sofia, Bulgaria, Thesis title: Investigation of alcohols with ZSM-5 zeolites and SAPO molecular sieves

FIELD OF INTEREST:

Heterogeneous catalysis, Catalysis by gold, Infrared spectroscopy, Selective and complete oxidation of hydrocarbons, microporous, mesoporous and layer materials

POSTDOC FELLOWSHIPS:

Science and Technology Agency of Japan, 1996-1997, Osaka National Research Institute, Japan
Texaco Technology Grant, 1998-1999, University of Ghent, Belgium
Alexander von Humboldt-Stiftung / Foundation, 2001-2002, University of Leipzig, Germany

PROJECTS:

2009 - 2010
- "Design of new materials for ecological application" (DOO2-104), Principle Organization – CLMC-BAS; principle investigator (PI), financially supported by NSFB.
2008 - 2010
- "Remote Instrumentation in Next-generation Grids", Principle Organization – CLMC-BAS; PI, financially supported by NSFB.
2006 - 2008
- "Remote Instrumentation in Next-generation Grids", financially supported by the Sixth Framework Programme of the European Commission.
2001 - 2002
- "Gold based catalysts for environmental important reactions", financially supported by Collaborative Lincage Grant of NATO.

LIST OF SELECTED PUBLICATIONS AND PATENTS:

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. 7^th 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.8^th 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. 9^th 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, 15^th 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.