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Comparison And Optimization Of Ozone – Based Advanced Oxidation Processes In The Treatment Of Stabilized Landfill Leachate

Leachate pollution is one of the main problems in landfilling. Among the most problematic parameters in stabilized leachate are COD, ammonia, and color. The treatment technology that can be used may differ based on the type of leachate produced. Even after treatment, the effluent characteristics are...

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Main Author: Abuamro, Salem S. S.
Format: Thesis
Language:English
Published: 2013
Subjects:
TA1-2040 Engineering (General). Civil engineering (General)
Online Access:http://eprints.usm.my/45205/1/Salem%20S.%20S.%20Abuamro24.pdf
http://eprints.usm.my/45205/
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spelling my.usm.eprints.45205 http://eprints.usm.my/45205/ Comparison And Optimization Of Ozone – Based Advanced Oxidation Processes In The Treatment Of Stabilized Landfill Leachate Abuamro, Salem S. S. TA1-2040 Engineering (General). Civil engineering (General) Leachate pollution is one of the main problems in landfilling. Among the most problematic parameters in stabilized leachate are COD, ammonia, and color. The treatment technology that can be used may differ based on the type of leachate produced. Even after treatment, the effluent characteristics are always hard to comply with the discharge standard. Ozonation is one of the chemical processes that can be used in the treatment of landfill leachate. However, its performance when use alone is low; its effectiveness can be improved using advanced oxidants. To date, application of Fenton and persulfate reagents separately to improve ozonation process in one ozone reactor was not well established. The study aimed to evaluate and compare the performance of the three treatment processes, namely ozone, ozone/Fenton and ozone/persulfate in treating stabilized leachate separately at different experimental conditions. A central composite design (CCD) with response surface methodology (RSM) was applied to evaluate the relationships between operating variables. Based on statistical analysis, quadratic models for the four responses (COD, NH3–N, Color, and ozone consumption (OC)) proved to be significant with very low probability values (<0.0001). For the three optimization designs; the predicted results fitted well with the results of the laboratory experiment. This study also investigated the effects of the three treatment processes on the biodegradable and soluble characteristics of stabilized leachate. The biodegradability (BOD5/COD ratio) in stabilized leachate was 0.034, and it’s improved to 0.05, 0.14 and 0.29 by applying O3, O3/fenton and O3/persulfate, respectively. 2013-07 Thesis NonPeerReviewed application/pdf en http://eprints.usm.my/45205/1/Salem%20S.%20S.%20Abuamro24.pdf Abuamro, Salem S. S. (2013) Comparison And Optimization Of Ozone – Based Advanced Oxidation Processes In The Treatment Of Stabilized Landfill Leachate. PhD thesis, Universiti Sains Malaysia.
institution Universiti Sains Malaysia
building Hamzah Sendut Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Sains Malaysia
content_source USM Institutional Repository
url_provider http://eprints.usm.my/
language English
topic TA1-2040 Engineering (General). Civil engineering (General)
spellingShingle TA1-2040 Engineering (General). Civil engineering (General)
Abuamro, Salem S. S.
Comparison And Optimization Of Ozone – Based Advanced Oxidation Processes In The Treatment Of Stabilized Landfill Leachate
description Leachate pollution is one of the main problems in landfilling. Among the most problematic parameters in stabilized leachate are COD, ammonia, and color. The treatment technology that can be used may differ based on the type of leachate produced. Even after treatment, the effluent characteristics are always hard to comply with the discharge standard. Ozonation is one of the chemical processes that can be used in the treatment of landfill leachate. However, its performance when use alone is low; its effectiveness can be improved using advanced oxidants. To date, application of Fenton and persulfate reagents separately to improve ozonation process in one ozone reactor was not well established. The study aimed to evaluate and compare the performance of the three treatment processes, namely ozone, ozone/Fenton and ozone/persulfate in treating stabilized leachate separately at different experimental conditions. A central composite design (CCD) with response surface methodology (RSM) was applied to evaluate the relationships between operating variables. Based on statistical analysis, quadratic models for the four responses (COD, NH3–N, Color, and ozone consumption (OC)) proved to be significant with very low probability values (<0.0001). For the three optimization designs; the predicted results fitted well with the results of the laboratory experiment. This study also investigated the effects of the three treatment processes on the biodegradable and soluble characteristics of stabilized leachate. The biodegradability (BOD5/COD ratio) in stabilized leachate was 0.034, and it’s improved to 0.05, 0.14 and 0.29 by applying O3, O3/fenton and O3/persulfate, respectively.
format Thesis
author Abuamro, Salem S. S.
author_facet Abuamro, Salem S. S.
author_sort Abuamro, Salem S. S.
title Comparison And Optimization Of Ozone – Based Advanced Oxidation Processes In The Treatment Of Stabilized Landfill Leachate
title_short Comparison And Optimization Of Ozone – Based Advanced Oxidation Processes In The Treatment Of Stabilized Landfill Leachate
title_full Comparison And Optimization Of Ozone – Based Advanced Oxidation Processes In The Treatment Of Stabilized Landfill Leachate
title_fullStr Comparison And Optimization Of Ozone – Based Advanced Oxidation Processes In The Treatment Of Stabilized Landfill Leachate
title_full_unstemmed Comparison And Optimization Of Ozone – Based Advanced Oxidation Processes In The Treatment Of Stabilized Landfill Leachate
title_sort comparison and optimization of ozone – based advanced oxidation processes in the treatment of stabilized landfill leachate
publishDate 2013
url http://eprints.usm.my/45205/1/Salem%20S.%20S.%20Abuamro24.pdf
http://eprints.usm.my/45205/
_version_ 1643711219016663040
score 13.211869

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