Efthymios Darakas Associate Professor Contact: Personal website : //users.auth.gr/darakas E-mail:...

Efthymios DarakasAssociate Professor

Contact:Personal website : http://users.auth.gr/darakasE-mail: [email protected]: + 30 2310 995719

Laboratory of Environmental Engineering & Planning

Department of Civil Engineering

Aristotle University of Thessaloniki

http://users.auth.gr/darakas

mailto:[email protected]




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

Research interests: Environmental Pollution ControlWater - Wastewater (Quality & Treatment)Water disinfection - Fecal Indicator Bacteria KineticsSolid Waste Management




Thessaloniki

Athens

~ 500 Km




Thessaloniki




Aristotle University of ThessalonikiDepartment of Civil Engineering




Department of Civil EngineeringDivision of Hydraulics & Environmental Engineering


Quality assessment of water, wastewater and solid waste


Education - Research

Equipment


CertificationQuality assessment of water, wastewater and solid waste


Dr. Efthymios DarakasAssociate Professor

Dr. Antigoni ZafirakouAssistant Professor

Maria PetalaDr. Chem. Eng.

Vasilios TsiridisDr. Chem. Eng.

Domniki IoannidouM Sc Civ. Eng.

Anastasia BelouChem. Eng.

STUDENTS - Ph D CANDIDATES

Personnel


Prof . K. Katsifarakis

http://www.google.gr/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&docid=X3NLVhWyUNNQRM&tbnid=v7VKwt_EwoTpNM:&ved=0CAUQjRw&url=http://users.auth.gr/darakas/&ei=POTDU8-OGsOkO6G-gIgO&bvm=bv.70810081,d.bGQ&psig=AFQjCNFDBs51U_T4E-5tR39FcVJ8GyetQw&ust=1405433274549840

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http://www.google.gr/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&docid=7gIAgK9qeYw5ZM&tbnid=TXG0Na3nXA8JrM:&ved=0CAUQjRw&url=http://www.prd.uth.gr/el/staff/v_tsiridis&ei=FeXDU66IC4KxO5rVgdgO&bvm=bv.70810081,d.bGQ&psig=AFQjCNEvOrwTjIPEZ2l45ucKJ6f_p5AQOg&ust=1405433489448377

Main Activities / Research fields

– 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



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)



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


Recent publications (2013 -2015)


Studies for the qualitative and quantitative characteristics of Municipal Solid Waste of Thessaloniki(Photos during sampling campaigns)


Thessaloniki198719992007

Studies for the qualitative and quantitative characteristics of Municipal Solid Waste of Thessaloniki(Photo: MSW sorting)


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


Ecotoxicology studies


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

Pseudokirchneriella subcapitata ISO 8692:2012- Maximum sample concentration: 100 %- Exposure condition: 72 h, 22-25 οC, ~7000 lux- Measurement: % growth inhibition

Daphnia magnaISO 6341:1996- Maximum sample concentration : 100 %- Exposure conditions: 24 h, 20 oC- Measurement: % immobilization


Ecotoxicity tests / Microtox system

Vibrio fischeri

Microtox Bench Analyzer




1. Environmental Engineering - Wastewater treatment (Core)

2. Laboratory methods for Water and Wastewater Quality Assessment (Elective - Laboratory)

3. Water – Wastewater Treatment Processes (Elective)

4. Municipal Solid Waste Management (Elective)

Courses

Efthymios Darakas Associate Professor Contact: Personal website : //users.auth.gr/darakas E-mail:...

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