“Clean technologies for sustainable environment – waters, waste, energy for circular economy“ (Clean&Circle) for creation and development of a Centre of Competence

Team - "Prof. Dr. Assen Zlatarov" University - Bourgas


Prof. Dr. Valentin Nenov

Lead researcher

Research topics: Physical-chemical and biological methods for wastewater treatment; Nutrient recovery; Bio-electrochemical systems for energy yield from waste organic matter; Biosensors


Assoc. Prof. Hyusein Yemendzhiev


Research topics: Bioelectrochemical systems; Environmental biotechnology; Microbial Biodiversity; Biodegradation; Industrial microbiology and production of biologically active compounds; Biosensors


Chief assist. prof. Dr. Gergana Peeva


Scientific interests are focused on wastewater treatment, microbiological fuel cells, nutrients recovery from water and sludge, targeted sedimentation of struvite.


Ralitza Koleva


Scientific interests include environmental biotechnology, microbiological fuel cells, water management



logo-en-gr Project BG05M2OP001-1.002-0019:„Clean technologies for sustainable environment – water, waste, energy for circular economy“, financed by the Operational programme “Science and Education for Smart Growth” 2014-2020, co-financed by the European union through the European structural and investment funds. logo-en-right

About Us

The project duration is from 30 March 2018 to 30 November 2023.
Leading organization is Sofia University "St. Kliment Ohridski"

Clean&Circle aims at building effective infrastructure and research capacity to develop innovations in the circular economy focusing on water, energy and waste management.


University of Forestry offers training, research ...
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