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Wastewater and Sludge

Wastewater and sludge characterisation; organic carbon and biological nutrients removal;  suspended and attached growth systems (conventional activated sludge, BNR, SBR, RBC, Biomembranes); sludge characteristics and settling properties; filamentous organisms and bulking; anaerobic processes for sludge treatment; on site and small scale mechanical and natural treatment systems; tertiary and advanced treatment and disinfection; co-treatment of industrial and domestic wastewaters; treatment of leachates, septage and strong wastewaters.

Selected Research Projects.

  • Investigation of organic micropollutants’ fate in wastewater treatment and study of their behavior during wastewater disposal to the aquatic environment – WATERMICROPOL, (Ministry of Education, THALIS, 2012-2015).
  • Assessment of filamentous bulking and foaming problems at Preveza WWTP and formulation of control strategies (Municipality of Preveza, 2012).
  • Assessment of the possibility to reduce Psyttalia WWTP’s operational cost (Athens Water Supply and Sewerage Company - EYDAP SA, 2011).
  • Assessment of the activated sludge bulking control strategies through the use of anoxic selectors or chlorination (Joint Venture for the Design and Construction of 2nd Phase Psyttalia Biological Treatment Works, 2010-2011).
  • Fate of endocrine disrupters through disinfection of biologically treated wastewater (ΝΤUA, 2010-2012).
  • Occurrence of emerging contaminants in Psyttalia municipal wastewater (Athens Water Supply and Sewerage Company - EYDAP SA, 2010-2011).
  • Consulting services for the evaluation of the operation of Ioannina WWTP and the Industrial Area for flood control (Municipality of Ioannina, 2009-2011).
  • Consulting services for the treatment and reuse of wastewater at Psyttalia WWTP (Joint Venture for the Design and Construction of 2nd Phase Psyttalia Biological Treatment Works, 2009-2011).
  • Updating of the wastewater management masterplan of Ioannina prefecture (Municipality of Ioannina, 2008).
  • Consulting services for the upgrading of Ioannina WWTP (Municipality of Ioannina, 2008).
  • Evaluation of the required wastewater treatment capacity for the City of Rodos, (Soth Aegean Region, 2008).  
  • Evaluation of the operation of the industrial wastewater treatment plant of MANOS SA at the Volos Industial Area, (MANOS SA, 2008). 
  • Consulting services for Chios WWTP (Municipality of Chios, 2008).
  • Management of sludge produced at Kerkyra’s WWTP, (Municipality of Kerkyra, 2008).
  • Evaluation of biofouling of MBR wastewater treatment systems, (NTUA, 2007-2009).
  • Evaluation of the use of centrifuges for the dewatering of municipal sludge, (Pieralisi Hellas SA, 2007-2008).
  • Assessment of Fira WWTP, (Municipality of Santorini, 2007).
  • Development of the molecular technique FISH to provide for the quantitative and qualitative estimation and the viability of filamentous bacteria at biological nutrient removal activated sludge palnts (GSRT, 2006-2009).
  • Evaluation of the operation of Psyttalia WWTP (EYDAP, 2006-2007).
  • Consulting services for the evaluation of Ioannina WWTP operation (Municipality of Ioannina, 2006-2007).
  • Assessment of alternative filamentous bulking and foaming control methods with the addition of chemicals (Joint Venture for the Design and Construction of 2nd Phase Psyttalia Biological Treatment Works, 2006-2007).
  • Toxicity and biodegradation evaluation of endocrine distruptor chemicals, (Ministry of Education, Pythagoras, EPEAEK, 2005-2007).
  • Development of the molecular technique FISH to provide for the quantitative and qualitative estimation and the viability of filamentous bacteria at biological nutrient removal activated sludge palnts (Ministry of Education, Pythagoras II, EPEAEK, 2005-2007).
  • Development and application of mathematical modeling for attached and suspened growth wastewater treatment systems (NTUA, 2003-2006).
  • Evaluation of Marcopoulo WWTP, (Municipality of Marcopoulo, ADEM, 2003).
  • Determination and evaluation of the industrial wastewater entering the Urban Wastewater treatment plant of Volos (Municipal Enterprise for Water and Sewage of Volos, 2002-2003).
  • Treatment of lechates of the sanitary landfill of Volos (Municipal Enterprise for Water and Sewage of Volos, 2002-2003).
  • Experimental and mathematical modeling of activated sludge bulking at Ioannina WWTP, (PENED – GSRT, 2001-2006).
  • Wastewater rotating biological contactor treatment system, (NTUA, 2000-2001).
  • Operation of Psyttalia pilot scale wastewater treatment system (Joint Venture for the Design and Construction of 2nd Phase Psyttalia Biological Treatment Works, 2000).
  • Anaerobic primary sludge hydrolysis: Operational parameters and mathematical simulation, (NTUA, 2000).
  • Activated Sludge Bulking in Wastewater Treatment Plants (General Secretariat for Research, 1996-1998.)
  • Optimisation of flow Patterns in Nutrient Removal Plants for Prevention of Activated Sludge Bulking (EU- DG XII, 1993-1996).
  • Chemically Assisted Sedimentation of Wastewaters (Chemical Industries of North Greece, 1996).
  • Treatability of the Sewage of Volos (Themeliodomi SA- Passavant Werke, 1995).
  • Treatment and Disposal of Hospital Wastes (Ministry of Health, 1994-1996).
  • Production and treatment of leachate in sanitary Landfills: Laboratory and field investigation, (Greek Secretariat for Research, 1994-1996). 
  • Operation of a Pilot Plant for Wastewater Treatment (Water Corporation of Athens, NATO, 1992-1995).
  • Design and Optimisation of Septage Receiving Treatment Plants (GSRT-EYDAP, 1992-1993).