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2016 | 25 | 5 |
Tytuł artykułu

Optimizing operating conditions for advanced treatment of landfill leachate using the coagulation-fenton oxidation method

Autorzy
Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
High COD concentrations in effluent, high membrane loading, and frequent congestion on the membrane are three common shortcomings of treating landfill leachate using the biodegradation technique. Accordingly, advanced treatment of the bio-chemical effluent of landfill leachate by Fenton oxidation combined with coagulation technique were performed in this study. The experiment was designed with the response surface method (RSM) considering three factors, i.e., the dosages of polymeric ferric sulfate (PFS), n(H2O2)/ n(Fe2+), and H2O2. Experimental results show that the fitting curve has high significance and sensitivity, and the prediction error of the COD removal rate is smaller than ±5%. The results also show that H2O2 has the greatest influence on COD removal rate, while PFS has the smallest. The optimal operating conditions for landfill leachate with a COD concentration of 2,000 mg/l are: the dosages of PFS (the concentration is 0.05g/ml), and H2O2 (30%) and n(H2O2)/n(Fe2+) are 67 ml, 17 ml, and 6 respectively. The optimized COD removal rate can reach as high as 92.11%.
Słowa kluczowe
Wydawca
-
Rocznik
Tom
25
Numer
5
Opis fizyczny
p.1863-1871,fig.,ref.
Twórcy
autor
  • School of Environment, Guangxi University, Nanning 530004, Guangxi Zhuang Autonomous Region, China
autor
  • School of Environment, Guangxi University, Nanning 530004, Guangxi Zhuang Autonomous Region, China
autor
  • School of Environment, Guangxi University, Nanning 530004, Guangxi Zhuang Autonomous Region, China
autor
  • School of Environment, Guangxi University, Nanning 530004, Guangxi Zhuang Autonomous Region, China
autor
  • School of Environment, Guangxi University, Nanning 530004, Guangxi Zhuang Autonomous Region, China
Bibliografia
  • 1. Vedrenne M., Vas quez -Medrano R., Prato -Garcia D., et al. Characterization and detoxification of a mature landfill leachate using a combined coagulation–flocculation/photo Fenton treatment[J]. Journal of Hazardous Materials, 205, 208, 2012.
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  • 24. Amor C., De Torres -Soc ías E., Peres J.A., et al. Mature landfill leachate treatment by coagulation/flocculation combined with Fenton and solar photo-Fenton processes[J]. Journal of Hazardous Materials, 286, 261, 2015.
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  • 32. Jin -Song Guo , Abdulhussain A. Abbas , You -Peng Chen , Zhi -Ping Liu , Fang Fang , Peng Chen Treatment of landfill leachate using a combined stripping, Fenton, SBR, and coagulation process, Journal of Hazardous Materials. 178 (1-3), 699, 2009.
  • 33. Carlos Amor , Estefanía De Torres -Socías, Jos é A. Peres , Manuel I. Maldonado , Isabel Oller , Sixto Malato , Marco S. Lucas , Mature Landfill leachate treatment by coagulation/flocculation combined with Fenton and solar photo-Fenton processes, Journal of Hazardous Materials, 286, 261, 2015.
  • 34. Mahsa Moradi , Farshid Ghanbari Application of response surface method for coagulation process in leachate treatment as pretreatment for Fenton process: Biodegradability improvement, Journal of Water Process Engineering, 4, 67, 2014.
  • 35. Michel Vedrenne , Ruben Vas quez -Medrano , Dorian Prato -Garcia , Bernardo A. Frontana -Uribe , Jorge G. Ibanez Characterization and detoxification of a mature landfill leachate using a combined coagulation–flocculation/photo Fenton treatment, Journal of Hazardous Materials, 205-206, 208, 2012
Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.agro-22b79ec1-ccd3-4376-a31c-dfb112dac709
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