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Electrochemical oxidation of stabilized landfill leachate on DSA electrodes

Turro Elisabetta , Giannis Apostolos, Cossu, R, Gidarakos Evaggelos, Mantzavinos Dionysis, Katsaounis Alexandros

Απλή Εγγραφή


URIhttp://purl.tuc.gr/dl/dias/065611DA-0B4D-4ADC-9709-A50A8C068A14-
Αναγνωριστικόhttp://www.sciencedirect.com/science/article/pii/S0304389411003888-
Αναγνωριστικόhttps://doi.org/10.1016/j.jhazmat.2011.03.085-
Γλώσσαen-
Μέγεθος6 pagesen
ΤίτλοςElectrochemical oxidation of stabilized landfill leachate on DSA electrodesen
ΔημιουργόςTurro Elisabetta en
ΔημιουργόςGiannis Apostolosen
ΔημιουργόςCossu, Ren
ΔημιουργόςGidarakos Evaggelosen
ΔημιουργόςΓιδαρακος Ευαγγελοςel
ΔημιουργόςMantzavinos Dionysisen
ΔημιουργόςΜαντζαβινος Διονυσηςel
ΔημιουργόςKatsaounis Alexandrosen
ΔημιουργόςΚατσαουνης Αλεξανδροςel
ΕκδότηςElsevieren
ΠερίληψηThe electrochemical oxidation of stabilized landfill leachate with 2960 mg L(-1) chemical oxygen demand (COD) over a Ti/IrO(2)-RuO(2) anode was investigated in the presence of HClO(4) as the supporting electrolyte. Emphasis was given on the effect of electrolysis time (up to 240 min) and temperature (30, 60 and 80°C), current density (8, 16 and 32 mA cm(-2)), initial effluent's pH (0.25, 3, 5 and 6), HClO(4) concentration (0.25 and 1M) and the addition of NaCl (20 and 100mM) or Na(2)SO(4) (20mM) as source of extra electrogenerated oxidants on performance; the latter was evaluated regarding COD, total carbon (TC), total phenols (TPh) and color removal. Moreover, the anode was studied by scanning electron microscopy and cyclic voltammetry. The main parameters affecting the process were the effluent's pH and the addition of salts. Treatment for 240 min at 32 mA cm(-2) current density, 80°C and the pH adjusted from its inherent value of 0.25 (i.e. after the addition of HClO(4)) to 3 yielded 90% COD, 65% TC and complete color and TPh removal at an electricity consumption of 35 kWh kg(-1) COD removed. Comparable performance (i.e. 75% COD reduction) could be achieved without pH adjustment but with the addition of 100mM NaCl consuming 20 kWh kg(-1) COD removed.en
ΤύποςPeer-Reviewed Journal Publicationen
ΤύποςΔημοσίευση σε Περιοδικό με Κριτέςel
Άδεια Χρήσηςhttp://creativecommons.org/licenses/by/4.0/en
Ημερομηνία2015-11-01-
Ημερομηνία Δημοσίευσης2011-
Θεματική ΚατηγορίαEffluenten
Θεματική ΚατηγορίαElectrolysisen
Θεματική ΚατηγορίαLandfillen
Θεματική ΚατηγορίαOperating factorsen
Θεματική ΚατηγορίαTi/IrO2–RuO2en
Βιβλιογραφική ΑναφοράE. Turro, A. Giannis, R. Cossu, E. Gidarakos, D. Mantzavinos and A. Katsaounis, "Electrochemical oxidation of stabilized landfill leachate on DSA electrodes", J. Hazard. Mater., vol. 190, no. 1-3, pp. 460-465, Jun. 2011. doi:10.1016/j.jhazmat.2011.03.085en

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