Submitted: 01 May 2015
Accepted: 28 May 2015
ePublished: 15 Oct 2017
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Avicenna J Environ Health Eng. 2015;2(1): 3239-3239.
doi: 10.17795/ajehe3239
  Abstract View: 1035
  PDF Download: 529

Research Article

Stabilization of Excess Sludge From Poultry Slaughterhouse Wastewater Treatment Plant by the Fenton Process

Zeinab Masoumi 1, Reza Shokoohi 1, Zeinab Atashzaban 1, Nahid Ghobadi 1, Ali Reza Rahmani 1*

1 Department of Environmental Health Engineering, Faculty of Health and Research Center for Health Sciences, Hamadan University of Medical Sciences, Hamadan, IR Iran


For stabilization of excess sludge in activated sludge process, the Fenton process was applied as a safe technique and its effectiveness was experimentally examined. In order to carry out experiments, a batch reactor with the effective volume of 0.5 L was used. Effect of hydraulic retention time, pH, H2O2, and Fe concentrations on sludge stabilization were investigated. Before and after the process, the content of total solids (TS), volatile solid (VS), chemical oxygen demand (COD), and color were measured. The study showed that, the best efficiency was obtained when iron concentration was 60 mg/L, duration of the process was 150 minutes, pH = 3, and H2O2 concentration was 4000 mg/L. The Fenton process can reduce the values of TS, VS, COD, and color to 50%, 61%, 53% and 61%, respectively. By analogy to conventional methods, the Fenton process is an effective method that can be suggested to stabilize excess sludge.
Keywords: Wastewater, Poultry, Slaughterhouse, SludgeCopyright
Copyright © 2015, Hamadan University of Medical Sciences. This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/) which permits copy and redistribute the material just in noncommercial usages, provided the original work is properly cited.
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