• 1
    Tengrui, L., AL-Harbawi, A.F., Bo, L.M., & Jun, Z. (2007). Characteristics of nitrojen removal from old landfill leachate by sequencing batch biofilm reactor. Journal of Applied Science 211214.
  • 2
    Ghafari, S., Aziz, H.A., & Isa, M.H. (2005). Coagulation process for semi-aerobic leachate treatment using poly-aluminum chloride. In The AEESEAP International Conference “Engineering a Better Environment for Mankind”, Kuala Lumpur, Malaysia, 79.
  • 3
    Christensen, T.H., Kjeldsen, P., Bjerg, P.L., Jensen, D.L., Christensen, J.B. A., Baum, A., Albrechtsen, H., & Heron, G. (2001). Biogeochemistry of landfill leachate plumes. Applied Geochemistry 16, 659718.
  • 4
    Scotish Environment Protection Agency, (SEPA), (2003). Guidance on Monitoring of Landfill Leachate, Groundwater, and Surface Water. V2. SEPA Guidance Document, 195.
  • 5
    Schrab, G.E., Brown, K.W., & Donnelly, K.C. (1993). Acute and genetic toxicity of municipal landfill leachate. Water, Air, and Soil Pollution. 69, 99112.
  • 6
    Aziz, H.A., Adlan, M.N., Zahari, M.S.M., & Alias, S. (2004). Removal of ammoniacal nitrogen (N-NH3) from municipal solid waste leachate by using activated carbon and limestone, Waste Management and Research, 22, 371375.
  • 7
    Orhon, D.S., & Cokgor, E.U. (1997). Characterization and COD fractionation of domestic wastewaters, Environmental Pollution, 95, 191204.
  • 8
    Doğruel, S., Köktuna, M., Çokgör, E.U., Sözena, S., & Orhona, D. (2011). Particle size distribution based evaluation of biodegradation and treatability for leachate from organic waste, Journal of Chemical Technology and Biotechnology, 86, 13641373
  • 9
    Wentzel, M.C., Mbewe, A., Lakay, M.T., & Ekama, G.A. (1999). Batch test for characterization of the carbonaceous materials in municipal wastewaters, Water SA, 25, 327336.
  • 10
    Chae, K.J., Oh, S.E., Lee, S.T., Bae, J.W., & Kim, S. (2000). The optimum substrate to biomass ratio to reduce net biomass yields and inert compounds in biological leachate treatment under pure-oxygen conditions. Bioprocess Engineering, 23, 235243.
  • 11
    Aziz, S.Q., Aziz, H.A., Yusoff, M.S., Bashir, M.J.K., & Umar, M. (2010). Leachate characterization in semi-aerobic and anaerobic sanitary landfills: A comparative study, Journal of Environmental Management, 12, 2608-2614.
  • 12
    Goi, A., Veressinina, Y., & Trapido, M. (2009). Combination of ozonation and the Fenton processes for landfill leachate treatment: Evaluation of treatment efficiency, Ozone Science and Engineering, 31, 2836.
  • 13
    Baig, S., & Liechti, P.A. (2001). Ozone treatment for biorefractory COD removal, Water Science and Technology, 43, 197204.
  • 14
    Cortez, S., Teixeira, P., Oliveira, R., & Mota, M. (2010). Ozonation as polishing treatment of mature landfill leachate. Journal of Hazardous Materials, 182, 730734.
  • 15
    Erden, G., & Filibeli, A. (2011). Effects of Fenton pre-treatment on waste activated sludge properties, Clean: Soil, Air, Water, 39, 626632.
  • 16
    Özdemir, C., Öden, M.K., ahinkaya, S.S., & KalipçI, E. (2011). Color removal from synthetic textile wastewater by Sono-Fenton process. Clean: Soil, Air, Water, 39, 6067.
  • 17
    Mohajeri, S., Aziz, H.A., Isa, M.H., Bashir, M.J.K., Mohajeri, L., & Adlan, M.N. (2010). Influence of Fenton reagent oxidation on mineralization and decolorization of municipal landfill leachate. Journal of Environmental Science and Health Part A Toxic/Hazard Substance and Environmental Engineering, 45, 692698.
  • 18
    Galehdar, M., Younesi, H., Hadavifar, M., Zinatizadeh, & A.A. (2009). Optimization of a photo-assisted Fenton oxidation process: A statistical model for MDF effluent treatment. Clean: Air, Soil, Water, 37, 629637.
  • 19
    Tizaoui, C., Bouselmi, L., Mansouri, L., Ghrabi, & A. (2007). Landfill leachate treatment with ozone and ozone/hydrogen peroxide systems, Journal of Hazardous Materials, 140, 316324.
  • 20
    Huling, S.G., & Pivetz, B.E., (2006). In-situ chemical oxidation: Engineering Issue. EPA/600/R-06/072. Cincinnati, OH. Office of Research and Development, National Risk Management Research Laboratory, USEPA.
  • 21
    Deng, Y.C., & Ezyske, M. (2011). Sulfate radical-advanced oxidation process (SR-AOP) for simultaneous removal of refractory organic contaminants and ammonia in landfill leachate, Water Research 45, 61896194.
  • 22
    House D.A. (1962). Kinetics and mechanism of oxidations by peroxydisulfate. Chemical Reviews, 62, 185203.
  • 23
    Bashir, M.J.K., Aziz, H.A., & Yusoff, M.S. (2011). New sequential treatment for mature landfill leachate by cationic/anionic and anionic/cationic processes: Optimization and comparative study. Journal of Hazardous Materials, 186, 92102.
  • 24
    Aziz, H.A., Alias, S., Adlan, M.N., Asaari, F.A.H., & Zahari, M.S. (2007). Colour removal from landfill leachate by coagulation and flocculation processes, Bioresource Technology 98, 218220.
  • 25
    APHA. (2005). Standard methods for the examination of water and wastewater, American Public Health Association (APHA), 21st ed., Washington DC.
  • 26
    Hu, Z., Chandrana, K., Smetsa, B.F., & Grassob, D. (2002). Evaluation of a rapid physical–chemical method for the determination of extant soluble COD, Water Research, 36, 617624.
  • 27
    Xu, X. Zeng, G. Peng, Y., & Zeng, Z. (2012). Potassium persulfate promoted catalytic wet oxidation of fulvic acid as a model organic compound in landfill leachate with activated carbon, Chemical Engineering Journal, 200202, 25–31.
  • 28
    Block, P.A., Brown, R.A., & Robinson, D. (2004). Novel activation technologies for sodium persulfate in situ chemical oxidation. In 4th Int. Conf. on the Remediation of Chlorinated and Recalcitrant Compounds, Battelle, Monterey, CA.
  • 29
    Gao, Y., Gao, N., Deng, Y., Yang, Y., & Ma, Y. (2012). Ultraviolet (UV) light-activated persulfate oxidation of sulfamethazine in water, Chemical Engineering Journal, 196, 248253
  • 30
    Langlais, B., Reckhow, D.A., & Brink, D.R. (1991). Ozone in water treatment: Application and engineering (first edition), Chelsea, MI: Lewis Publishers Inc.
  • 31
    Geenens, D., Bixio, B., & Thoeye, C. (2001). Combined ozone-activated sludge treatment of landfill leachate. Water Science and Technology, 44, 35965.
  • 32
    Trebouet, D., Schlumpf, J.P., Jaounen, P., & Quemeneur, F. (2001). Stabilized landfill leachate treatment by combined physicochemical-nanofiltration processes. Water Research, 35, 3542.
  • 33
    Bilgili, M. S., Demir, A., Akkaya, E., & Ozkaya, B. (2008). COD fractions of leachate from aerobic and anaerobic pilot scale landfill reactors, Journal of Hazardous Materials, 158, 157163
  • 34
    Eremektare, G., Selcuk, H., & Meric, S. (2005). Effect of ozone oxidation on inert COD fractions and the toxicity in textile finishing industry wastewater. In Proceeding of the 9th international conference on environmental science and technology, Rhodes island, Greece, 16
  • 35
    George, Ch., Rassy, H., & Chovelon, J. (2001). Reactivity of Selected Volatile Organic Compounds (VOCs) Toward the Sulfate Radical (SO4). International Journal of Chemical Kinetics, 33, 539547.
  • 36
    Leitzke, O., Reid, A., Geiger, M., & Laumen, B. (1997). The state of development and operational experience gained with processing leachate with a combination of ozone and biological treatment. Proceedings of the International Symposium on Ozone, IOA Tagungsband, V-B: Advanced Oxidation Processes, Berlin, 5, pp. 119.
  • 37
    Hagman, M., Heander, E., & Jansen, J.L.C. (2008). Advanced oxidation of refractory organics in leachate–potential methods and evaluation of biodegradability of the remaining substrate, Environmental Technology 29, 941946.
  • 38
    Barbusiński, K., & Pieczykolan, B. (2010). COD Removal from landfill leachate using Fenton oxidation and coagulation, Archiotechture Civil Engeneering Environment, 4, 93100.
  • 39
    Joglekar, A.M., & May, A.T. (1987). Product excellence through design of experiments, Cereal Foods World, 32, 857868
  • 40
    Nordin, M.Y., Venkatesh, V.C., Sharif, S., Elting, S., & Abdullah, A. (2004). Application of response surface methodology in describing the performance of coated carbide tools when turning AISI 104 steel. Journal of Material Processing Technology, 145, 4658.
  • 41
    Abu Amr, S.S., & Aziz, H.A. (2012). New treatment of stabilized leachate by ozone/Fenton in the advanced oxidation process. Waste Management, 32, 16931698
  • 42
    Abu Amr, S., Aziz, H.A, Adlan, M.N., & Aziz, S.Q. (2012). Effect of Ozone and Ozone/Fenton in the advanced oxidation process on Biodegradable Characteristics of Semi-aerobic Stabilized Leachete. Clean: Air, Soil, Water, 0, 15.