Influence of Fenton Process on Treatability of Kerman City Solid Waste Leachate
"n "n "nBackgrounds and Objectives: Untreated leachate is discharging into the environment in the many countries of worldwide. Leachate treatment methods have not been unified so far due to variable composition of leachate. Moreover, the uncontrolled management of leachate, cause many...
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2010-07-01
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doaj-ab76ed6f95db4c9c86b1b8c72de9f8492021-09-02T05:04:03ZfasTehran University of Medical Sciencesسلامت و محیط2008-20292008-37182010-07-0132123134Influence of Fenton Process on Treatability of Kerman City Solid Waste LeachateM AhmadianN Jafarzadeh Haghighi fardM MalakootianM Loloei"n "n "nBackgrounds and Objectives: Untreated leachate is discharging into the environment in the many countries of worldwide. Leachate treatment methods have not been unified so far due to variable composition of leachate. Moreover, the uncontrolled management of leachate, cause many environmental dissociates. The aims of this study apply the Fenton process to decrease the pollutants of Kerman leachate."nMaterials and Methods: Rawleachatewas obtained fromcompactor vehicles used for the collection of Kerman city solid waste, before final disposal. In order to removal of biodegradable organic compounds, a rector was built based on characteristics of landfill Kerman city and raw leachate underwent anaerobic treatment in this pilot. In the next stage, treated leachate in the pilot, was affected by Fenton process. The optimized parameters in Fenton process including pH, reaction time and dosage of H2O2 and Fe2+ were also studied."nResults: The results showed that TSS, BOD5 and COD decrease to 62*, 96*and 89*, respectively, after 60 days treatment in the pilot. BOD5/COD ratio also decreased from 0.6 to 0.2 in anaerobic treated leachate. In optimum condition (pH=3, reaction time=75 min, Fe2+=1400 mg/L and H2O2 = 2500 mg/L) maximum COD removal was 78 * by Fenton process. BOD5/COD ratio increased from 0.2 to 0.51 which showed an increase in biodegradability of leachate as a result of Fenton process."nConclusion: anaerobic biologically treatment followed by Fenton processes could be assumed as an efficient process that could improved the leachate quality. Biological treatment to reduce leachate pollution alone was not enough. The most important Fenton process advantage is reduction of refractory and toxic leachate compounds and increasing leachate.s biodegradability. http://journals.tums.ac.ir/PdfMed.aspx?pdf_med=/upload_files/pdf/16219.pdf&manuscript_id=16219 Fenton processAnaerobic treatmentLeachateKerman City |
collection |
DOAJ |
language |
fas |
format |
Article |
sources |
DOAJ |
author |
M Ahmadian N Jafarzadeh Haghighi fard M Malakootian M Loloei |
spellingShingle |
M Ahmadian N Jafarzadeh Haghighi fard M Malakootian M Loloei Influence of Fenton Process on Treatability of Kerman City Solid Waste Leachate سلامت و محیط Fenton process Anaerobic treatment Leachate Kerman City |
author_facet |
M Ahmadian N Jafarzadeh Haghighi fard M Malakootian M Loloei |
author_sort |
M Ahmadian |
title |
Influence of Fenton Process on Treatability of Kerman City Solid Waste Leachate |
title_short |
Influence of Fenton Process on Treatability of Kerman City Solid Waste Leachate |
title_full |
Influence of Fenton Process on Treatability of Kerman City Solid Waste Leachate |
title_fullStr |
Influence of Fenton Process on Treatability of Kerman City Solid Waste Leachate |
title_full_unstemmed |
Influence of Fenton Process on Treatability of Kerman City Solid Waste Leachate |
title_sort |
influence of fenton process on treatability of kerman city solid waste leachate |
publisher |
Tehran University of Medical Sciences |
series |
سلامت و محیط |
issn |
2008-2029 2008-3718 |
publishDate |
2010-07-01 |
description |
"n "n "nBackgrounds and Objectives: Untreated leachate is discharging into the environment in the many countries of worldwide. Leachate treatment methods have not been unified so far due to variable composition of leachate. Moreover, the uncontrolled management of leachate, cause many environmental dissociates. The aims of this study apply the Fenton process to decrease the pollutants of Kerman leachate."nMaterials and Methods: Rawleachatewas obtained fromcompactor vehicles used for the collection of Kerman city solid waste, before final disposal. In order to removal of biodegradable organic compounds, a rector was built based on characteristics of landfill Kerman city and raw leachate underwent anaerobic treatment in this pilot. In the next stage, treated leachate in the pilot, was affected by Fenton process. The optimized parameters in Fenton process including pH, reaction time and dosage of H2O2 and Fe2+ were also studied."nResults: The results showed that TSS, BOD5 and COD decrease to 62*, 96*and 89*, respectively, after 60 days treatment in the pilot. BOD5/COD ratio also decreased from 0.6 to 0.2 in anaerobic treated leachate. In optimum condition (pH=3, reaction time=75 min, Fe2+=1400 mg/L and H2O2 = 2500 mg/L) maximum COD removal was 78 * by Fenton process. BOD5/COD ratio increased from 0.2 to 0.51 which showed an increase in biodegradability of leachate as a result of Fenton process."nConclusion: anaerobic biologically treatment followed by Fenton processes could be assumed as an efficient process that could improved the leachate quality. Biological treatment to reduce leachate pollution alone was not enough. The most important Fenton process advantage is reduction of refractory and toxic leachate compounds and increasing leachate.s biodegradability. |
topic |
Fenton process Anaerobic treatment Leachate Kerman City |
url |
http://journals.tums.ac.ir/PdfMed.aspx?pdf_med=/upload_files/pdf/16219.pdf&manuscript_id=16219 |
work_keys_str_mv |
AT mahmadian influenceoffentonprocessontreatabilityofkermancitysolidwasteleachate AT njafarzadehhaghighifard influenceoffentonprocessontreatabilityofkermancitysolidwasteleachate AT mmalakootian influenceoffentonprocessontreatabilityofkermancitysolidwasteleachate AT mloloei influenceoffentonprocessontreatabilityofkermancitysolidwasteleachate |
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