Efthymios Darakas Associate Professor Contact : Personal website : http://users.auth.gr/darakas E-mail: [email protected]Phone: + 30 2310 995719 Laboratory of Environmental Engineering & Planning Department of Civil Engineering Aristotle University of Thessaloniki
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Efthymios Darakas Associate Professor Contact: Personal website : //users.auth.gr/darakas E-mail: [email protected].
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Laboratory of Environmental Engineering & Planning
Department of Civil Engineering
Aristotle University of Thessaloniki
Qualifications:B Sc in Chemistry (1981), University of Stockholm, Sweden M Sc in Org. Chemistry (1982), University of Stockholm, SwedenPh D in Environmental Engineering, (1999), A.U.Th. Greece
– Water quality control– Treatment of water and wastewater– Environmental Pollution– Application of environmental friendly techniques
for water disinfection (Solar disinfection)– Fecal indicator bacteria kinetics– Municipal solid waste management
(Characterization and treatment)– Ecotoxicity tests / Leaching tests
Laboratory of Environmental Engineering & Planning
Laboratory of Environmental Engineering & Planning
S. Giannakis, (2014), Solar disinfection of secondary effluent and the subsequent bacterial regrowth: considerations, limitations and environmental perspectives, (Ph D Thesis)
Graphical abstracts
Water disinfection - Fecal indicator bacteria kinetics - (MF)
Laboratory of Environmental Engineering & Planning
Laboratory of Environmental Engineering & Planning
0 60 120 180 240 300 360Time (min or hours)
0
200000
400000
600000
800000
1000000
Po
pu
lati
on
(C
FU
/mL
)
Indicative kinetics
Population vs. Time
0 60 120 180 240 300 360Time (min or hours)
100
1000
10000
100000
1000000
Po
pu
lati
on
(C
FU
/mL
)
Indicative kinetics
Population vs. Time
Kinetic curves• (linear or) log Y axis
Kinetics description and removal efficiency/regrowth presentation
E. Darakas, V. Tsiridis, M. Petala and A. Kungolos (2013), “Hexavalent chromium release from lignite fly ash and related ecotoxic effects”, Journal of Environmental Science and Health, Part A, Volume 48, Issue 11, pages 1390-1398
Stefanos Giannakis, Ana Isabel Merino Gamo, Efthymios Darakas, Antoni Escalas-Cañellas, César Pulgarin (2013), ”Impact of different light intermittence regimes on bacteria during simulated solar treatment of secondary effluent: Implications of the inserted dark periods”, Solar Energy, Volume 98, Part C, Pages 572-581
Stefanos Giannakis, Efthymios Darakas, Antoni Escalas-Cañellas, César Pulgarin (2014), ”The antagonistic and synergistic effects of temperature during solar disinfection of synthetic secondary effluent”, Journal of Photochemistry and Photobiology A: Chemistry, Volume 280, Pages 14-26
N. Suchkova, I. Tsiripidis, D. Alifragkis, J. Ganoulis, E. Darakas, Th. Sawidis (2014), “Assessment of phytoremediation potential of native plants during the reclamation of an area affected by sewage sludge”, Ecological Engineering, Volume 69, Pages 160-169
Stefanos Giannakis, Ana Isabel Merino Gamo, Efthymios Darakas, Antoni Escalas-Cañellas, César Pulgarin (2014), “Monitoring the post-irradiation E. coli survival patterns in environmental water matrices: implications in handling solar disinfected wastewater”, Chemical Engineering Journal, Volume 253, Pages 366-376
Athanasios Kungolos, Christina Emmanouil, Vasiliki Manakou, Efthymios Darakas (2014), “Assessment of vulnerable freshwater ecosystems and various aquatic effluents by means of ecotoxicological assays”, Desalination and Water Treatment, DOI:10.1080/19443994.2014.933617
Stefanos Giannakis, Efthymios Darakas, Antoni Escalas-Cañellas, César Pulgarin (2014), “Elucidating bacterial regrowth: Effect of disinfection conditions in dark storage of solar treated secondary effluent”, Journal of Photochemistry and Photobiology A: Chemistry, Volume 290, Pages 43-53
Stefanos Giannakis, Stefanos Papoutsakis, Efthymios Darakas, Antoni Escalas-Cañellas, Christian Pétrier, César Pulgarin (2015), “Ultrasound enhancement of near-neutral photo-Fenton for effective E. coli inactivation in wastewater”, Ultrasonics Sonochemistry, Volume 22, Pages 515-526
Laboratory of Environmental Engineering & Planning
Recent publications (2013 -2015)
Laboratory of Environmental Engineering & Planning
Studies for the qualitative and quantitative characteristics of Municipal Solid Waste of Thessaloniki(Photos during sampling campaigns)
Laboratory of Environmental Engineering & Planning
Thessaloniki198719992007
Studies for the qualitative and quantitative characteristics of Municipal Solid Waste of Thessaloniki(Photo: MSW sorting)
Laboratory of Environmental Engineering & Planning
Leaching of solid waste
Dynamic tests- EN 14405:2004- NEN 7343:1995
Batch/shaking tests- EN 12457/1-4:2002
pHstat/availability tests
- EN 14997:2006- NEN 7341:1995
Monolithic/diffusion tests- EN 15863:2012- NEN 7375:1995
Agrochemicals
Nanoparticles
Environmental matrices
Laboratory of Environmental Engineering & Planning
Ecotoxicology studies
Laboratory of Environmental Engineering & Planning
Ecotoxicity testsVibrio fischeri (Microtox test)ISO 11348-3:2008- Emits light as a by-product of its cellular respiration- Maximum sample concentration: 80 %- Exposure conditions: 5, 15, or 30 min, 15 οC- Measurement: % bioluminescence inhibition