OZONE AND UV/OZONE FOR RB5 REMOVAL FROM WATER/ Oladipo Akeem OYEFUGA; Supervisor: Şifa DOĞAN

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1 CHAPTER 1
1 INTRODUCTION
1 Background Information
1 Global Water Pollution
4 Effect of water Pollution
6 Industrial Pollution
6 Activities causing Industrial Pollution
7 Causes of Industrial Pollution
7 Advance Oxidation Processes for Wastewater Treament
7 Advanced oxidation process (AOPS)
9 Steps involved in AOPs
10 Advantages of AOPs
10 Application of AOPs
11 Ozonation
12 Importance of Treating Industrial Pollution (Textile Dye)
12 Textile dye
13 Importanace of treating industrial pollution (textile dye)
14 Aim of Study
15 CHAPTER 2
15 LITERATURE REVIEW
15 Textile Industry in Turkey
19 Wastewater Treatment in Textile Industry
17 Environmental Aspect
20 Colorant
21 Dye
21 Classification of Dye
22 Classification of Dye According to Chemical Structure
25 Classification of Dye According to application Methods
26 Existing Approach of Dye removal
27 Biodegradation
28 Electrochemical Techniques
29 Electrocoagulation
30 Coagulation and Flocculation
31 Sonolysis(Combine with Ozonation)
32 Ozone Treatment
33 Photocatalyst (Plasmonic Photodegradation Under UV)
33 Ion Exchange
34 Ozonation
35 Advantages and Disadvantages of Ozonation
36 Ozone
37 Ozone Mechanism
37 Factors Affecting Ozonation
41 Ozonation of Reactive Black 5
41 Reactive Black 5
41 Studies of Reactive Black 5 Removal
44 CHAPTER 3
44 MATERIALS AND METHODOLOGY
44 Materials
44 Gaseous Ozone Measurement Using Ki Method
45 Sample Preparation (Reactive Black 5 Solution)
46 Methods
46 Experimental Method
48 Analytical Method
48 Standard Calibration of Rb5 Using Uv-2450 Spectrophotometer
50 UV-2450 Spectrophotometric Analysis of Rb5
50 TOC Analysis of Reactive Black 5 Solution
51 UV-2450 Spectrophotometric Analysis of Rb5 Before And After UV
51 UV-2450 Analysis of Rb5 after UV-Ozone
52 CHAPTER 4
52 RESULTS AND DISCUSSION
52 Results
52 Results for Ki Method and Ozonation
52 Result for Ki Method and Ozonation at pH 3
58 RESULT AT pH 7
66 Result at pH 10
71 Result for TOC
72 Result for UV /Ozone Analysis
76 CHAPTER 5
76 CONCLUSION
76 Conclusion
77 REFERENCES
Tez notu: Thesis (MSc) - CYPRUS INTERNATIONAL UNIVERSITY INSTITUTE OF GRADUATE STUDIES AND RESEARCH Environmental Science Master Department Özet: ABSTRACT Water is an important resource that is needed for human development and life on earth. Textile industry is among one of the human-made activity that uses a large sum of water and as a result produces large amount of waste-water.The waste-water generated by textile industry are composed of recalcitrant and toxic dyes which are life threatening to both aquatic and land organism. The study was aimed for the removal of reactive black 5 from an aqueous solution using ozone.Gaseous ozone concentration using KI method was used to determine if the ozone generator was functioning correctly and consistently.Ozone was used for the deolorization and decomposition of reactive black 5 from solution. During the process, UV was also combined with ozone for the removal the dye from aqueous solution. The ozonation was conducted in three different Ph (pH 3,7 and 10), for each pH the process was conducted three times except for pH 10 which as conducted two twice. During the process, the samples that was collected was analyzed using UV-2450 spectrophotometer. The recordings was monitored for the degradation/ decolorization of RB5. High decolorization and degradation of RB5 occurred at pH 10 compared to pH 3and pH 7.Samples was also analyzed using TOC during the ozonation, the results showed no minerization and no change in TOC during the reaction. The combination of UV water sterilizer and Ozone for degradation and decolorization of RB5 did not have a high % removal compared to the use of only ozonation at pH 10. The highest % removal of RB5 at pH 3 was between 75-87%, for pH 7 was between 82-95%, and for pH 10 was between 98-99.9%. The highest % removal for UV/Ozone combination was 90%. Key words: Ozonation; textile waste water treatment; combined ozonation and UV treatment; Advanced oxidation process
Materyal türü: Thesis
Mevcut
Materyal türü Geçerli Kütüphane Koleksiyon Yer Numarası Durum Notlar İade tarihi Barkod Materyal Ayırtmaları
Thesis Thesis CIU LIBRARY Tez Koleksiyonu Tez Koleksiyonu YL 1756 O94 2020 (Rafa gözat(Aşağıda açılır)) Kullanılabilir Environmental Science Department T1954
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Thesis (MSc) - CYPRUS INTERNATIONAL UNIVERSITY INSTITUTE OF GRADUATE STUDIES AND RESEARCH Environmental Science Master Department

Includes REFERENCES: sheets 77-89

ABSTRACT Water is an important resource that is needed for human development and life on earth. Textile industry is among one of the human-made activity that uses a large sum of water and as a result produces large amount of waste-water.The waste-water generated by textile industry are composed of recalcitrant and toxic dyes which are life threatening to both aquatic and land organism. The study was aimed for the removal of reactive black 5 from an aqueous solution using ozone.Gaseous ozone concentration using KI method was used to determine if the ozone generator was functioning correctly and consistently.Ozone was used for the deolorization and decomposition of reactive black 5 from solution. During the process, UV was also combined with ozone for the removal the dye from aqueous solution. The ozonation was conducted in three different Ph (pH 3,7 and 10), for each pH the process was conducted three times except for pH 10 which as conducted two twice. During the process, the samples that was collected was analyzed using UV-2450 spectrophotometer. The recordings was monitored for the degradation/ decolorization of RB5. High decolorization and degradation of RB5 occurred at pH 10 compared to pH 3and pH 7.Samples was also analyzed using TOC during the ozonation, the results showed no minerization and no change in TOC during the reaction. The combination of UV water sterilizer and Ozone for degradation and decolorization of RB5 did not have a high % removal compared to the use of only ozonation at pH 10. The highest % removal of RB5 at pH 3 was between 75-87%, for pH 7 was between 82-95%, and for pH 10 was between 98-99.9%. The highest % removal for UV/Ozone combination was 90%. Key words: Ozonation; textile waste water treatment; combined ozonation and UV treatment; Advanced oxidation process

1 CHAPTER 1

1 INTRODUCTION

1 Background Information

1 Global Water Pollution

4 Effect of water Pollution

6 Industrial Pollution

6 Activities causing Industrial Pollution

7 Causes of Industrial Pollution

7 Advance Oxidation Processes for Wastewater Treament

7 Advanced oxidation process (AOPS)

9 Steps involved in AOPs

10 Advantages of AOPs

10 Application of AOPs

11 Ozonation

12 Importance of Treating Industrial Pollution (Textile Dye)

12 Textile dye

13 Importanace of treating industrial pollution (textile dye)

14 Aim of Study

15 CHAPTER 2

15 LITERATURE REVIEW

15 Textile Industry in Turkey

19 Wastewater Treatment in Textile Industry

17 Environmental Aspect

20 Colorant

21 Dye

21 Classification of Dye

22 Classification of Dye According to Chemical Structure

25 Classification of Dye According to application Methods

26 Existing Approach of Dye removal

27 Biodegradation

28 Electrochemical Techniques

29 Electrocoagulation

30 Coagulation and Flocculation

31 Sonolysis(Combine with Ozonation)

32 Ozone Treatment

33 Photocatalyst (Plasmonic Photodegradation Under UV)

33 Ion Exchange

34 Ozonation

35 Advantages and Disadvantages of Ozonation

36 Ozone

37 Ozone Mechanism

37 Factors Affecting Ozonation

41 Ozonation of Reactive Black 5

41 Reactive Black 5

41 Studies of Reactive Black 5 Removal

44 CHAPTER 3

44 MATERIALS AND METHODOLOGY

44 Materials

44 Gaseous Ozone Measurement Using Ki Method

45 Sample Preparation (Reactive Black 5 Solution)

46 Methods

46 Experimental Method

48 Analytical Method

48 Standard Calibration of Rb5 Using Uv-2450 Spectrophotometer

50 UV-2450 Spectrophotometric Analysis of Rb5

50 TOC Analysis of Reactive Black 5 Solution

51 UV-2450 Spectrophotometric Analysis of Rb5 Before And After UV

51 UV-2450 Analysis of Rb5 after UV-Ozone

52 CHAPTER 4

52 RESULTS AND DISCUSSION

52 Results

52 Results for Ki Method and Ozonation

52 Result for Ki Method and Ozonation at pH 3

58 RESULT AT pH 7

66 Result at pH 10

71 Result for TOC

72 Result for UV /Ozone Analysis

76 CHAPTER 5

76 CONCLUSION

76 Conclusion

77 REFERENCES

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