CURRICULUM VITAE:

Place of birth: Sofia, Bulgaria

Date of birth: 1959

Nationality: Bulgarian

EDUCATION AND ACADEMIC DEGREES OBTAINED:

1979-1984 - MSc in geology-geochemistry at Sofia University “St. Kliment Ohridski”, Faculty of Geology and Geography 

1991 - PhD in mineralogy and crystallography at Institute of Applied Mineralogy, Bulgarian Academy of Sciences

2006 - DSc at Central Laboratory of Mineralogy and Crystallography, Bulgarian Academy of Sciences

ACADEMIC POSITIONS IN THE LAST FIVE YEARS

2022 – currently, Corresponding member of the Bulgarian Academy of Sciences

2007 – currently, Professor, Institute of Mineralogy and Crystallography, “Acad. Ivan Kostov”, Bulgarian Academy of Sciences 

FIELD OF INTEREST:

Biomass; Coal; Municipal solid waste; Petroleum coke; Geology, Mineralogy, Geochemistry; Solid waste products; Fly ashes; Chars; Refuse-derived fuels; New building materials; Catalysts; Sorbents; Combustion; Pyrolysis; Gasification; Thermoelectric power stations; Trace elements; Environmental protection

LIST OF SELECTED PUBLICATIONS AND PATENTS:

1. Vassilev S., Vassileva C., Petrova N. 2022. Thermal behaviour of biomass ashes in air and inert atmosphere with respect to their decarbonation. Fuel, 314: 122766.

2. Zhang X., Bai J., Vassilev S., Kong L., Huang L., Li H., Bai Z., Li P., Li W. 2022. Effect of phosphorus-based additives on ash fusion characteristics of high-sodium coal under gasification condition. Fuel, 317: 123472.

3. Vassilev S., Vassileva C., Petrova N. 2021. Mineral carbonation of biomass ashes in relation to their CO2 capture and storage potential. ACS Omega, 6 (22): 14598-14611. 

4. Shi W., Laabs M., Reinmoller M., Kong L., Vassilev S., Guhl S., Bai J., Meyer B., Li W. 2021. The fusion mechanism of complex minerals mixture and prediction model for flow temperature of coal ash for gasification. Fuel, 305: 121448.

5. He C., Cao F., Wei Y., Zhao Z., Cui L., Qin Y., Vassilev S., Vassileva C. 2021. Morphological changes and ash fusibility of coal, rice straw and their mixture during CO2 gasification. Fuel, 292: 120372.

6. Shi W., Bai J., Kong L., Li H., Bai Z., Vassilev S., Li W. 2021. An overview of the coal ash transition process from solid to slag. Fuel, 287: 119537.

7. Vassilev S., Kossev K., Vassileva C. 2020. Trace elements in water-soluble fractions from Bulgarian coal fly ashes and their technological and environmental importance. Energy and Fuels, 34 (11): 13782-13798.

8. Vassilev S., Vassileva C. 2020. Extra CO2 capture and storage by carbonation of biomass ashes. Energy Conversion and Management, 204: 112331.

9. Vassilev S., Vassileva C. 2020. Contents and associations of rare earth elements and yttrium in biomass ashes. Fuel, 262: 116525.

10. Vassilev S., Vassileva C. 2019. Water-soluble fractions of biomass and biomass ash and their significance for biofuel application. Energy and Fuels, 33 (4): 2763-2777.

11. Qin Y.-H, Feng M.-M, Zhao Z.-B., Vassilev S., Feng J., Vassileva C., Li W.-Y. 2018. Effect of biomass ash addition on coal ash fusion process under CO2 atmosphere. Fuel, 231: 417-426.

12. Vassilev S., Vassileva C., Song Y.-C., Li W.-Y., Feng J. 2017. Ash contents and ash-forming elements of biomass and their significance for solid biofuel combustion. Fuel, 208: 377-409.

13. Qin Y.-H, Han Q.-Q., Zhao Z.-B., Du Z.-Y., Feng J., Li W.-Y., Vassilev S., Vassileva C. 2017. Impact of biomass addition on organic structure and mineral matter of char during coal-biomass co-gasification under CO2 atmosphere. Fuel, 202: 556-562.

14. Vassilev S., Vassileva C. 2016. Composition, properties and challenges of algae biomass for biofuel application: An overview. Fuel, 181: 1-33.

15. Vassilev S., Vassileva C., Vassilev V. 2015. Advantages and disadvantages of composition and properties of biomass in comparison with coal: An overview. Fuel, 158: 330-350.

16. Vassilev S., Vassileva C., Baxter D. 2014. Trace element concentrations and associations in some biomass ashes. Fuel, 129: 292-313.

17. Vassilev S., Baxter D., Vassileva C., 2014. An overview of the behaviour of biomass during combustion: Part II. Ash fusion and ash formation mechanisms of biomass types. Fuel, 117: 152-183.

18. Vassilev S., Baxter D., Vassileva C. 2013. An overview of the behaviour of biomass during combustion: Part I. Phase-mineral transformations of organic and inorganic matter. Fuel, 112: 391-449.

19. Vassilev S., Baxter D., Andersen L., Vassileva, C. 2013. An overview of the composition and application of biomass ash. Part 2. Potential utilization, technological and ecological advantages and challenges. Fuel, 105: 19-39.

20. Vassilev S., Baxter D., Andersen L., Vassileva C. 2013. An overview of the composition and application of biomass ash. Part 1. Phase-mineral and chemical composition and classification. Fuel, 105: 40-76.

21. Vassilev S., Baxter D., Andersen L., Vassileva C., Morgan T. 2012. An overview of the organic and inorganic phase composition of biomass. Fuel, 94: 1-33.

22. Vassilev S., Baxter D., Andersen L., Vassileva C. 2010. An overview of the chemical composition of biomass. Fuel, 89: 913-933.

23. Vassilev S., Vassileva C., Baxter D., Andersen L. 2009. A new approach for the combined chemical and mineral classification of the inorganic matter in coal. 2. Potential applications of the classification systems. Fuel, 88: 246-254.

24. Vassilev S., Vassileva C. 2009. A new approach for the combined chemical and mineral classification of the inorganic matter in coal. 1. Chemical and mineral classification systems. Fuel, 88: 235-245.

25. Vassilev S., Vassileva C. 2007. A new approach for the classification of coal fly ashes based on their origin, composition, properties, and behaviour. Fuel, 86: 1490-1512.

26. Vassilev S., Vassileva C. 2005. Methods for characterization of composition of fly ashes from coal-fired power stations: a critical overview. Energy and Fuels, 19: 1084-1098.

27. Vassilev S., Menendez R. 2005. Phase-mineral and chemical composition of coal fly ashes as a basis for their multicomponent utilization. 4. Characterization of heavy concentrates and improved fly ash residues. Fuel, 84: 973-991.

28. Vassilev S., Vassileva C., Karayigit A., Bulut Y., Alastuey A., Querol X. 2005. Phase-mineral and chemical composition of fractions separated from composite fly ashes at the Soma power station, Turkey. International Journal of Coal Geology, 61: 65-85.

29. Vassilev S., Vassileva C., Karayigit A., Bulut Y., Alastuey A., Querol X. 2005. Phase-mineral and chemical composition of composite samples from feed coals, bottom ashes and fly ashes at the Soma power station, Turkey. International Journal of Coal Geology, 61: 35-63.

30. Vassilev S., Menendez R., Borrego A., Diaz-Somoano M., Martinez-Tarazona M.R. 2004. Phase-mineral and chemical composition of coal fly ashes as a basis for their multicomponent fly ash utilization. 3. Characterization of magnetic and char concentrates. Fuel, 83: 1563-1583.

31. Vassilev S., Menendez R., Diaz-Somoano M., Martinez-Tarazona M.R. 2004. Phase-mineral and chemical composition of coal fly ashes as a basis for their multicomponent utilization. 2. Characterization of ceramic cenosphere and water-soluble salt concentrates. Fuel, 83: 585-603.

32. Vassilev S., Menendez R., Alvarez D., Diaz-Somoano M., Martinez-Tarazona M.R. 2003. Phase-mineral and chemical composition of coal fly ashes as a basis for their multicomponent utilization. 1. Characterization of feed coals and fly ashes. Fuel, 82: 1793-1811.

33. Vassilev S., Tascon J. 2003. Methods for characterization of inorganic and mineral matter in coal: a critical overview. Energy and Fuels, 17: 271-281.

34. Vassilev S, Braekman-Danheux C., Moliner R., Suelves I., Lazaro M.J., Thiemann T. 2002. Low cost catalytic sorbents for NOx reduction. 1. Preparation and characterization of coal char impregnated with model vanadium components and petroleum coke ash. Fuel, 81: 1281-1296.

35. Vassilev S., Eskenazy G., Vassileva C. 2001. Behaviour of elements and minerals during preparation and combustion of the Pernik coal, Bulgaria. Fuel Processing Technology, 72: 103-129.

36. Vassilev S., Eskenazy G., Vassileva C. 2000. Contents, modes of occurrence and behaviour of chlorine and bromine in combustion wastes from coal-fired power stations. Fuel, 79: 923-937.

37. Vassilev S., Eskenazy G., Vassileva C. 2000. Contents, modes of occurrence and origin of chlorine and bromine in coal. Fuel, 79: 903-921.

38. Vassilev S., Braekman-Danheux C., Laurent P., Thiemann T., Fontana A. 1999. Behaviour, capture and inertization of some trace elements during combustion of refuse-derived char from municipal solid waste. Fuel, 78: 1131-1145.

39. Vassilev S., Braekman-Danheux C. 1999. Characterization of refuse-derived char from municipal solid waste.  2. Occurrence, abundance and source of trace elements. Fuel Processing Technology, 59: 135-161.

40. Vassilev S., Braekman-Danheux C., Laurent P. 1999. Characterization of refuse-derived char from municipal solid waste.  1. Phase-mineral and chemical composition. Fuel Processing Technology, 59: 95-134.

41. Vassilev S., Vassileva C. 1998. Comparative chemical and mineral characterization of some Bulgarian coals. Fuel Processing Technology, 55: 55-69.

42. Vassilev S., Vassileva C. 1997. Geochemistry of coals, coal ashes and combustion wastes from coal-fired power stations. Fuel Processing Technology, 51: 19-45.

43. Vassilev S., Kitano K., Vassileva C. 1997. Relations between ash yield and chemical and mineral composition of coals. Fuel, 76: 3-8.

44. Vassilev S., Vassileva C. 1996. Occurrence, abundance and origin of minerals in coals and coal ashes. Fuel Processing Technology, 48: 85-106.

45. Vassilev S., Kitano K., Vassileva C. 1996. Some relationships between coal rank and chemical and mineral composition. Fuel, 75: 1537-1542.

46. Vassilev S., Vassileva C. 1996. Mineralogy of combustion wastes from coal-fired power stations. Fuel Processing Technology, 47: 261-280.

47. Vassilev S., Kitano K., Takeda S., Tsurue T. 1995. Influence of mineral and chemical composition of coal ashes on their fusibility. Fuel Processing Technology, 45: 27-51.

48. Vassilev S., Yossifova M., Vassileva C. 1994. Mineralogy and geochemistry of Bobov Dol coals, Bulgaria. International Journal of Coal Geology, 26: 185-214.

49. Vassilev S. 1994. Trace elements in solid waste products from coal burning at some Bulgarian thermoelectric power stations. Fuel, 73: 367-374.

50. Vassilev S. 1992. Phase mineralogy studies of solid waste products from coal burning at some Bulgarian thermoelectric power plants. Fuel, 71: 625-633.