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The Effect Of Combined Al2so4 And Persulfate On Cod, Color And Nh3–H Removal From Leachate

Author

Listed:
  • Salem S. Abu Amr

    (Universiti Kuala Lumpur, Malaysian Institute of Chemical and Bioengineering Technology (UniKl, MICET), Melaka, Malaysia)

  • Abbas F. M. Alkarkhi

    (Universiti Kuala Lumpur, Malaysian Institute of Chemical and Bioengineering Technology (UniKl, MICET), Melaka, Malaysia)

  • Marlia M. Hanafiah

    (School of Environmental and Natural Resource Sciences, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 Bangi,Selangor, Malaysia.)

  • Mohammed Shadi S Abujazar

    (Faculty of sciences, Al-Aqsa University, Gaza, Palestine.)

Abstract

In this paper, Al2SO4 was added to persulfate as an activator to increase reaction and to help insure oxidation during the leachate oxidation process. The effect of Al2SO4, persulfate dosage, pH and reaction time on COD, color and ammonia removal was investigated during landfill leachate treatment. A face centered composite design (FCCD) was employed to model and optimize the process. The results of the analysis of variance (ANOVA) showed that Al2SO4 has a significant effect on the selected responses. Furthermore, a second order model was selected to describe the relationship between input factors and the three responses. The maximum removal for COD, color and NH3-N was reported as 67%, 81%, and 48%, respectively, by using 5.5 ml from each persulfate and Al2SO4 dosage (0.2 M), 6 pH, and 105 (min) reaction time. The performance of combined S2O82-/Al2SO4 process compared with S2O82- alone and Al2SO4 alone, and the results showed that the combined method achieved a higher removal efficiency for COD, color, and NH3–N.

Suggested Citation

  • Salem S. Abu Amr & Abbas F. M. Alkarkhi & Marlia M. Hanafiah & Mohammed Shadi S Abujazar, 2017. "The Effect Of Combined Al2so4 And Persulfate On Cod, Color And Nh3–H Removal From Leachate," Acta Chemica Malaysia (ACMY), Zibeline International Publishing, vol. 1(2), pages 11-17, January.
    • Handle: RePEc:zib:zbacmy:v:1:y:2017:i:2:p:11-17
    DOI: 10.26480/acmy.02.2017.11.17
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