Abstract
Kinetics and efficiency of Fenton’s and ozonation processes for the pretreatment of two landfill leachates (fresh and mature) resulting from municipal waste disposal were studied. Both samples presented high organic load, high toxicity and low biodegradability. These were the reasons why oxidative treatment was proposed. Fresh and mature leachate showed different behaviors in the oxidation experiments. The final extents of removal were attained in comparable time intervals in both oxidation systems. Maximal removal of organics by the Fenton’s oxidation reached more than 50 % according to COD. Zero or first order kinetics were found the best to describe the organic components (in terms of COD and DOC) removal by the Fenton’s oxidation for both landfill leachates. Higher reaction rate values of the Fenton’s oxidation were achieved with fresh leachate samples. The efficiency of initial organics removal with ozone was about 70 % for mature leachate, while in case of the fresh one only 41 % of COD were removed. The best fits of COD and DOC experimental data from oxidation of fresh and mature leachates were obtained by a combined kinetic model. No significant improvement of the biodegradability of landfill leachates was achieved using these treatment procedures. Regarding toxicity, ozonation showed to be more effective than the Fenton’s oxidation. Advanced oxidation experiments confirmed that the Fenton’s oxidation and ozonation are comparable oxidative treatment techniques for the reduction of organic pollution in the investigated municipal landfill leachates. However, neither of them is effective enough to be used as a pretreatment method followed by biological treatment.
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References
APHA, AWWA, WEF (2005). In A. E. Greenberg, L. S. Clesceri, & A. Eaton (Eds.), Standard methods for the examination of water and wastewater (22nd ed.). Washington, DC, USA: APHA.
Bigot, V., Luck, F., Pailard, H., & Wagner, A. (1995). Industrial application of advanced oxidation for landfill lechate treatment. In Proceedings of the 12th World Congress of the International Ozone Association, 15–8 May 1995 (pp. 439–450). Lille, France.
Bila, D. M., Montalvão, A. F., Silva, A. C., & Dezotti, M. (2005). Ozonation of a landfill leachate: evaluation of toxicity removal and biodegradability improvement. Journal of Hazardous Materials, 117, 235–242. DOI: 10.1016/j.jhazmat. 2004.09.022.
Chaturapruek, A., Visvanathan, C., & Ahn, K. H. (2005). Ozonation of membrane bioreactor effluent for landfill leachate treatment. Environmental Technology, 26, 65–73. DOI: 10.1080/09593332608618583.
Deng, Y., & Englehardt, J. D. (2006). Treatment of landfill leachate by the Fenton process. Water Research, 40, 3683–3694. DOI: 10.1016/j.watres.2006.08.009.
Goi, A., & Trapido, M. (2002). Hydrogen peroxide photolysis, Fenton reagent and photo-Fenton for the degradation of nitrophenols: a comparative study. Chemosphere, 46, 913–922. DOI: 10.1016/S0045-6535(01)00203-X.
Hermosilla, D., Cortijo M., & Huang, C. P. (2009). Optimizing the treatment of landfill leachate by conventional Fenton and photo-Fenton processes. Science of the Total Environment, 407, 3473–3481. DOI: 10.1016/j.scitotenv.2009.02.009.
ISO 5663 (1984). Water quality — Determination of Kjeldahl nitrogen — Method after mineralization with selenium. Geneve, Switzerland: International Organisation for Standardisation.
ISO 5813 (1983). Water quality — Determination of dissolved oxygen — Iodometric method. Geneve, Switzerland: International Organisation for Standardisation.
ISO 5815-1 (2003). Water Quality — Determination of biochemical oxygen demand after n days (BODn) — Part 1: Dilution and seeding method with allylthiourea addition. Geneve, Switzerland: International Organisation for Standardisation.
ISO 6060 (1989). Water quality — Determination of chemical oxygen demand. Geneve, Switzerland: International Organisation for Standardisation.
ISO 7150-1 (1984). Water quality — Determination of ammonium — Part 1: Manual spectrometric method. Geneve, Switzerland: International Organisation for Standardisation.
ISO 8245 (1999). Water quality — Guidelines for the determination of total organic carbon (TOC) and dissolved organic carbon (DOC). Geneve, Switzerland: International Organisation for Standardisation.
ISO 10304-1 (1992). Water quality — Determination of dissolved fluoride, chloride, nitrite, orthophosphate, bromide, nitrate and sulphate ions using liquid chromatography of ions — Part 1: Method for water with low contamination. Geneve, Switzerland: International Organisation for Standardisation.
ISO 11348-2 (1998). Water quality — Determination of the inhibitory effect of water samples on the light emission of Vibrio fischeri (Luminescent bacteria test) — Part 2: Method using liquid-dried bacteria. Geneve, Switzerland: International Organisation for Standardisation.
Kim, J.-S., Kim, H.-Y., Won, C.-H., & Kim, J.-G. (2001). Treatment of leachate produced in stabilized landfills by coagulation and Fenton oxidation process. Journal of the Chinese Institute of Chemical Engineers, 32, 425–429.
Kurniawan, T. A., Lo, W.-H., & Chan, G. Y. S. (2006). Physicochemical treatments for removal of recalcitrant contaminants from landfill leachates. Journal of Hazardous Materials, 129, 80–100. DOI: 10.1016/j.jhazmat.2005.08.010.
Neyens, E., & Baeyens, J. (2003). A review of classic Fenton’s peroxidation as an advanced oxidation technique. Journal of Hazardous Materials, 98, 33–50. DOI: 10.1016/S0304-3894(02)00282-0.
Ratanatamskul, C., & Auesuntrachun, P. (2009). Removal of COD and colour from old-landfill leachate by Advanced Oxidation Processes. International Journal of Environment and Waste Management, 4, 470–480. DOI: 10.1504/IJEWM.2009. 027410.
Renou, S., Givaudan, J. G., Poulain, S., Dirassouyan, F., & Moulin, P. (2008). Landfill leachate treatment: Review and opportunity. Journal of Hazardous Materials, 150, 468–493. DOI: 10.1016/j.jhazmat.2007.09.077.
Silva, A. C., Dezotti, M., & Sant’Anna, G. L., Jr. (2004). Treatment and detoxification of a sanitary landfill leachate. Chemosphere, 55, 207–214. DOI: 10.1016/j.chemosphere. 2003.10.013.
Tizaoui, C., Bouselmi, L., Mansouri, L., & Ghrabi, A. (2007). Landfill leachate treatment with ozone and ozone/hydrogen peroxide systems. Journal of Hazardous Materials, 140, 316–324. DOI: 10.1016/j.jhazmat.2006.09.023.
Wang, F., El-Din, M. G., & Smith, D. W. (2004). Ozonation of biologically treated landfill leachate: Treatment efficiency and molecular size distribution analysis. Environmental Technology, 25, 1277–1283. DOI: 10.1080/09593332508618371.
Wang, F., Smith, D.W., & El-Din, M. G. (2006). Aged raw land-fill leachate: Membrane fractionation, O3 only and O3/H2O2 oxidation, and molecular size distribution analysis. Water Research, 40, 463–474. DOI: 10.1016/j.watres.2005.11.038.
Zgajnar Gotvajn, A., Zagorc-Koncan, J., & Cotman, M. (2009). Comparison of different methods for removal of metals from landfill leachate. In Proceedings of the 12th International Waste Management and Landfill Symposium, 5–9 October 2009 (pp. 1–10). S. Margherita di Pula, Italy: International Waste Working Group.
Zhang, H., Choi, H. J., & Huang, C.-P. (2006). Treatment of landfill leachate by Fenton’s reagent in a continuous stirred tank reactor. Journal of Hazardous Materials, 136, 618–623. DOI: 10.1016/j.jhazmat.2005.12.040.
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Derco, J., Gotvajn, A.Ž., Zagorc-Končan, J. et al. Pretreatment of landfill leachate by chemical oxidation processes. Chem. Pap. 64, 237–245 (2010). https://doi.org/10.2478/s11696-009-0116-5
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DOI: https://doi.org/10.2478/s11696-009-0116-5