ДепартаментПриродни науки

Доц. д-р Вилма Стоянова

Доц. д-р Вилма Стоянова

 

  

доц. д-р Вилма Стоянова

e-mail: vpetkova@nbu.bg

Академична длъжност: доцент

Научна степен: доктор

 

Образование:

Докторат 1987 - 1993, Химико-технологичени и металургичен университет, София

Магистър 1979 - 1985, Химико-технологичени и металургичен университет, София


Членство в организации:

• член на Българското дружество по термичен анализ
• ICTAC, международна конфедерация по термичен анализи и калориметрия

Участие в национални и международни проекти:

  1. Управление на риска от природни и антропогенни свлачища в гръцко-български трансграничен регион“ (RISKLIDES) по сключен Договор към Оперативна програма за европейско териториално сътрудничество Гърция - България 2007-2013 г.“ 2010-2013
  2. Термохимични и механохимични изследвания при получаване на екологично балансирани минерални торове“ БАН (България) и Естонската академия на науките (Естония), 2004-2006 г.
  3. „Получаване на органо-минерални подобрители на почвите“ – ЕБР, БАН (България) и Естонската академия на науките (Естония), 2007-2012 г.

Член екип по проекти:

  1. Дизайн на нови материали за приложение в екологията – 2008-2010 г.
  2. Лаборатория за екологичен контрол – 2010-2012 г.
  3. Механохимичен синтез, активиране и характеризиране на неорганични химични системи: смесени оксиди, сулфиди, селениди и карбонати, 2012-2013 г.

 

По-важни публикации:

  1. Kadiyski Milen, Stoyan Sarov, Georgi Frangov, Vladislav Kostov-Kytin, Svetla Sarova, Ventseslav Stoyanov, Luba Macheva, Vilma Petkova, Theodosios T. Papaliangas, Risk management of Koprivlen landslides: a case study, In Proc.: Xth Anniversary Scientific Conference with International Participation, “SPACE, ECOLOGY, SAFETY - SES 2014“, 12 – 14 November 2014, Sofia, Bulgaria, Space Research and Technology Institute – Bulgarian Academy of Sciences, ISSN 1313 – 3888, (2015), 363-373 (in english)
  2. Petkova Vilma, Svetla Sarova, Milen Kadiyski, Vladislav Kostov-Kytin, Ralitza Gurova, Ventseslav Stoyanov, Stoyan Sarov, Theodosios T. Papaliangas – GIS layers of areas with an increased risk of landslides for the project “RISK management of natural and anthropogenic landsLIDES in the Greek-Bulgarian cross-border area, In Proc.: Xth Anniversary Scientific Conference with International Participation, “SPACE, ECOLOGY, SAFETY - SES 2014“, 12 – 14 November 2014, Sofia, Bulgaria, Space Research and Technology Institute – Bulgarian Academy of Sciences, ISSN 1313 – 3888, (2015), 374-388 (in bulgarian)
  3. Donkova Borjana, Vilma Petkova, Comparison between thermal behaviour of γ-MnC2O4.2H2O in oxidative and inert media, Bulgarian Chemical Communications, ISSN: 0324-1130, Volume 47, Number 1, (2015), 185–189 IF=0.201
  4. Petkova Vilma, Violeta Koleva, Bilyana Kostova, Stoyan Sarov, Structural and thermal transformations on high energy milling of natural apatite, J Therm Anal Calorim, ISSN 1388-6150, Volume 121, Issue 1, (2015), 217-225 IF=2.042
  5. Cherkezova-Zheleva Zara P., Katerina L. Zaharieva, Martin P. Tsvetkov, Vilma S. Petkova, Maria M. Milanova, Ivan G. Mitov, Impact of preparation method and chemical composition on physicochemical and photocatalytic properties of nano-dimensional magnetite-type materials, American Mineralogist, ISSN: 0003-004X, Volume 100, (2015), 1257–1264 IF=1.964
  6. Серафимова Екатерина, Силвия Миленкова, Венцеслав Стоянов, Йончо Пеловски, Вилма Петкова, Механични изпитвания на композити от керамични материали, In: Proc. of 15th INTERNATIONAL SCIENTIFIC CONFERENCE VSU'2015, Editors: V. Stoyanov and D. Partov, vol. 1, 4–5 June 2015, Sofia, Bulgaria ISSN: 1314-071X, (2015), v.2, 456-461
  7. Серафимова Екатерина, Венцеслав Стоянов, Йончо Пеловски, Вилма Петкова, Механични изпитвания на киселинно третирани смеси от птичи екскременти със сярна киселина, In: Proc. of 15th INTERNATIONAL SCIENTIFIC CONFERENCE VSU'2015, Editors: V. Stoyanov and D. Partov, vol. 1, 4–5 June 2015, Sofia, Bulgaria ISSN: 1314-071X, (2015), v.2, 462-468
  8. Ташева Анна, Вилма Петкова, Биляна Костова, Венцеслав Стоянов, Биоотпадък от птицепроизводство (черупки от яйца). Част 2. Органични технологични приложения, In: Proc. of 15th INTERNATIONAL SCIENTIFIC CONFERENCE VSU'2015, Editors: V. Stoyanov and D. Partov, vol. 1, 4–5 June 2015, Sofia, Bulgaria ISSN: 1314-071X, (2015), v.3, 235-240
  9. Glavcheva Z., D. Yancheva, E. Velcheva, B. Stamboliyska, N. Petrova, V. Petkova, G. Lalev, V. Todorov, Analytical studies of the Alexandrovo Thracian tomb wall paintings, Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, ISSN: 1386-1425, 152, (2016), 622–6281. Petkova V., V. Yaneva, Phase transformation of mechanically activated nano-sized Tunisian carbonate substituted Apatite. Part II. - Journal of the Balkan Tribological Association (JBTA), ISSN 1310-4772, v. 16 (1), (2010), 88-100. IF2. Petkova V., V. Yaneva, Thermal Behavior and Phase Transformations of Nanosized Apatite (Syria). - Journal of Thermal Analysis and Calorimetry, v. 99 (1), (2010), 179-189, ISSN 1388–6150, DOI: 10.1007/s10973-009-0149-6. IF3. Petkova V., V. Yaneva, Thermal investigations on phase transformations of Syrian phosphorite: Part I. - Journal of Thermal Analysis and Calorimetry, ISSN 1388–6150, v. 100 (1), (2010), 51-56, DOI: 10.1007/s10973-009-0187-0. IF4. Petkova V., V. Yaneva, Thermal investigations on phase transformations of Syrian phosphorite: Part III. - Journal of the Balkan Tribological Association (JBTA), ISSN 1310-4772, v. 16 (2), (2010), 223–232. IF
  10. Petkova V., V. Yaneva, Phase Transformation of Mechanically Activated Nano-sized Tunisian Carbonate Substituted Apatite, Part IІІ. - Journal of the Balkan Tribological Association (JBTA), ISSN 1310-4772, v. 16 (3), (2010), 421–433. IF
  11. Petkova V., E. Serafimova, N. Petrova, Y. Pelovski, Thermochemistry of triboactivated Natural and NH4-exchanged Clinoptilolite mixed with Tunisian Apatite, Journal of Thermal Analysis and Calorimetry, ISSN 1388-6150, Volume 105, Issue 2, (2011), 535-544, DOI: 10.1007/s10973-010-1224-8 IF
  12. Petkova V., Y. Pelovski, D. Paneva, I. Mitov, Influence of gas media on the thermal decomposition of second valence iron sulfates, Journal of Thermal Analysis and Calorimetry, ISSN 1388-6150, Volume 105, (2011), 793–803. IF
  13. Lilkov V., O. Petrov, V. Petkova, N. Petrova, Y. Tzvetanova, Study of the pozzolanic activity and hydration products of cement pastes with addition of natural zeolites. Hydration products in cement-zeolite pastes, Clay Minerals, Print ISSN: 0009-8558; Online ISSN: 1471-8030, Volume 46, Number 2, (2011), 241-250 (10). IF
  14. Petrova N., V. Petkova, Structural changes in the system natural apatite - NH(4) clinoptilolite during triboactivation, Bulgarian chemical communications, ISSN: 0324-1130, Volume 43, Issue 2, (2011), 301-307. IF
  15. Tõnsuaadu K., T. Kaljuvee, V. Petkova, R. Traksmaa, V. Bender, K. Kirsimäe, Impact of mechanical activation on physical and chemical properties of phosphorite concentrates, International Journal of Mineral Processing, ISSN: 0301-7516, 100, (2011), 104–109. IF
  16. Petkova V., V. Yaneva, Thermal investigations on phase transformations of Syrian phosphorite: Part II. - Journal of Environmental Protection and Ecology (JEPE), ISSN 1311-5065, V12, N0 4A, (2011), 2120-2131. IF
  17. Koleva V., V. Petkova, IR spectroscopic study of high energy activated Tunisian phosphorite, Vibrational Spectroscopy, ISSN: 0924-2031, 58, (2012), 125–132. IF
  18. Petkova V., V. Stoyanov, Y. Pelovski, TG–DTG–DTA in studying white self-compacting cement mortars, In Proc. of 10th International Seminar on Thermal Analysis and Calorimetry to the memory of Prof. Stanisław Bretsznajder, 28-30 September 2011, Płock, Poland, 223-225, ISBN 978-83-62081-69-1, Journal of Thermal Analysis and Calorimetry, ISSN 1388-6150, 109, (2012), 793-803. IF
  19. Petkova V., V. Yaneva, The effect of mechano-chemical activation on the chemical activity, structural and thermal properties of carbonate substituted apatite from Syria. Part I. Chemical, Structural, and Spectroscopic Investigations, Journal of Environmental Protection and Ecology (JEPE), ISSN 1311-5065, v. 13 (2A), (2012), 979-994. IF
  20. Petkova V., V. Yaneva, I. Dombalov, Y. Pelovski, The effect of mechano-chemical activation on the chemical activity, structural and thermal properties of carbonate substituted apatite from Syria. Part II. Thermal Investigations, Journal of Environmental Protection and Ecology (JEPE), ISSN 1311-5065, v. 13 (2A), (2012), 995-1007. IF
  21. Stoyanov V., B. Kostova, V. Petkova, Y. Pelovski, Structure of white cement mortars with high content of marble powder, Journal of Thermal Analysis and Calorimetry, ISSN 1388-6150, 110 (1), (2012), 405-412. IF
  22. Baláž M., V. Petková, P. Baláž, A. Zorkovská, A. Satka, Mechanically Activated Eggshell Waste Biomaterial: Thermal Decomposition and PVC Dechlorination, In Proc.: 16th Conference on Environment and Mineral Processing & Exhibition, VSB - Technical University of Ostrava, 7. - 9. 6. 2012, Ostrava, 2012, 13-20
  23. 18. Vilma Petkova, Ekaterina Serafimova, Tiit Kaljuvee, Yoncho Pelovsky Thermochemical Characterization of Chicken Litter as a Source for Energy Recovery, In Proc. of 10th International Seminar on Thermal Analysis and Calorimetry to the memory of Prof. Stanisław Bretsznajder, 28-30 September 2011, Płock, Poland, 141-142, ISBN 978-83-62081-69-1
  24. Petkova V., V. Stoyanov, Y. Pelovski, TG–DTG–DTA in studying white self-compacting cement mortars, In Proc. of 10th International Seminar on Thermal Analysis and Calorimetry to the memory of Prof. Stanisław Bretsznajder, 28-30 September 2011, Płock, Poland, 223-225, ISBN 978-83-62081-69-1, Journal of Thermal Analysis and Calorimetry, ISSN 1388-6150, 109, (2012), 797-806.
  25. Kostova Bilyana, Vilma Petkova, Effect of high-energy milling and thermal treatment on the solid-phase reactions in apatite–ammonium sulphate system, J Therm Anal Calorim, ISSN 1388-6150, (2014), 116, 737–746
  26. Maya G. Shopska, Zara P. Cherkezova-Zheleva, Daniela G. Paneva, Vilma Petkova, Georgi B. Kadinov, Ivan G. Mitov, Treatment of Biogenic Iron-Containing Materials, Croatica Chemica Acta, ISSN 0011-1643, e-ISSN 1334-417X, 87 (2) (2014) 161–170. http://dx.doi.org/10.5562/cca2374