Chemical Engineering

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Dragomir S. Yankov

Head of Biochemical Reactors Laboratory
Institute of Chemical Engineering
Institute of Chemical Engineering Bulgarian Academy of Sciences


Dragomir S Yankov is the Director of Institute of Chemical Engineering, Bulgarian Academy of Sciences. He earned his MSc degree in Chemistry (Chemical Cybernetics) from Sofia University, Bulgaria in the year 1984. He has worked at Institute of Chemical Engineering throughout his professional career. He joined the Institute as a Research Fellow in the year 1984, where he received his PhD degree. He is currently a Professor in Chemical Engineering. He is a member of the Editorial Board of the Bulgarian Chemical Communications and Journal of Advanced Chemical Engineering.

Research Interest

 His research interests are the fields of kinetics and modelling of enzyme processes with free and immobilised enzymes and cells, separation processes in biotechnology -application of aqueous two phase systems for separation and purification of bioproducts, separation of products from fermentation broth by extraction, membrane methods and supercritical extraction, antibiotics production and separation.


  • Dragomir S. Yankov,†Roumiana P. Stateva,J. P. Martin Trusler,*‡ andGeorgi St. Cholakov (2006) Liquid−Liquid Equilibria in Aqueous Two-Phase Systems of Poly(ethylene glycol) and Poly(ethyleneimine):  Experimental Measurements and Correlation. J. Chem. Eng. Data 51 (3), pp 1056–1061

  • Dragomir S. Yankov†, J. P. Martin Trusler*, Boyan Y. Yordanov† and Roumiana P. Stateva (2008) Influence of Lactic Acid on the Formation of Aqueous Two-Phase Systems Containing Poly(ethylene glycol) and Phosphates. J. Chem. Eng. Data 53 (6), pp 1309–1315

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