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Study on the Stability and Efficiency of Supported Catalysts in HCO3-/H2O2System

摘要第4-6页
Abstract第6-7页
1 Introduction第17-60页
    1.1 Water Pollution第17-18页
    1.2 Water Pollution with Organic Compounds第18-19页
    1.3 Conventional Technologies and Water Pollution第19-20页
    1.4 Advanced Oxidation Process (AOPs)第20-28页
        1.4.1 Catalytic Wet Hydrogen Peroxide Oxidation (CWPOs) Appeared to be the Best Solution第22页
        1.4.2 Application and Limitations of Fenton's Based Technology in Waste Water Treatment第22-24页
        1.4.3 Need for Searching an Alternative of Fenton's like Reagent in Waste Water Treatment第24-27页
        1.4.4 Application of Heterogeneous Catalyst in the Treatment of Wastewater第27-28页
    1.5 Hydrotalcite Based Supported Catalyst第28-33页
        1.5.1 Structure of Hydrotalcite第28-31页
        1.5.2 Layered Double Hydrotacites as Catalyst第31-32页
        1.5.3 Metals Exchanged Zeolites Based Supported Catalyst第32-33页
    1.6 Challenges in Catalytic Waste Water Treatments第33-35页
    1.7 Bicarbonate Activation of Hydrogen Peroxide system (BAP)第35-40页
        1.7.1 Role of Bicarbonate Activation of Hydrogen Peroxide (BAP) in Wastewater (M/HCO_3~-/H_2O_2 system)第35-38页
        1.7.2 Future of BAP System in the Development of Green Treatment System第38-40页
    1.8 Target Strategy and Content第40-41页
    1.9 Research Aim and Conclusion第41-42页
    References第42-60页
2 Degradation of Chlorophenols by Supported Co-Mg-Al LDH BasedCatalyst in BAP System第60-85页
    2.1 Experimental Section第61-64页
        2.1.1 Chemicals and Reagents第61-62页
        2.1.2 Preparation of Powdered Catalyst for Bench Experiments (CoMgAl-HTs and MgAl-HTs)第62页
        2.1.3 Preparation of Supported Catalyst for Fixed Bed Experiments (CoMgAl-SHTs)第62-63页
        2.1.4 Pollutants Degradation in Bench Test Experiments第63页
        2.1.5 Pollutants Degradation in Fixed Bed Experiments第63页
        2.1.6 Analyses第63-64页
    2.2 Results and Discussion第64-69页
        2.2.1 Characterization of powdered catalysts第64-65页
        2.2.2 Activity of Catalyst/HCO_3~-/H_2O_2 System on Bench Level第65-69页
    2.3 Mechanistic Discussions第69-76页
    2.4 Application of Catalyst in Fixed Bed Reactor第76-78页
    2.5 Conclusions第78页
    References第78-85页
3 Controlled Leaching with Prolonged Activity for Co-LDH SupportedCatalyst during Treatment of Organic Dyes Using BAP System第85-113页
    3.1 Experimental section第87-89页
        3.1.1 Chemical and Reagents第87页
        3.1.2 Preparation of Powdered Catalyst for Bench Expeirments (CoMgAl-HTs andMgAI-HTs)第87-88页
        3.1.3 Preparation of Catalyst for Fixed Bed第88页
        3.1.4 Degradation of Methylene Orange and Methylene Blue in Bench Experiment第88页
        3.1.5 Degradation of Methylene Blue in Fixed Bed Experiments第88-89页
        3.1.6 Procedure of Analysis第89页
    3.2 Result and Discussion第89-93页
        3.2.1 Catalyst Characterizations第89-93页
    3.3 Catalytic Performance of CoMgAl Catalysts in the Degradation of Methyl Orange第93-96页
    3.4 Effect of Operating Parameters第96-102页
        3.4.1 Effect of Hydrogen Peroxide第96-97页
        3.4.2 Effect of Sodium Bicarbonate第97-98页
        3.4.3 Effect of Catalyst Dose第98-99页
        3.4.4 Effect of Solution pH第99-100页
        3.4.5 Influence of Anions第100-101页
        3.4.6 Role of Bicarbonate in Controlling Catalyst Leaching第101-102页
    3.5 Stability and Life of CoMgAl-Na-Y Supported Catalyst in Fixed Bed Glass Reactor第102-104页
    3.6 Mechanistic Study for the Presence of Main Reactive Oxygen Species(ROS)第104-107页
    3.7 Conclusion第107页
    References第107-113页
4 Effect of Cu on Promoting the Catalyst Activity of CoMgAl LDH BasedCatalyst Using Chlorophenols as Target Compounds第113-150页
    4.1 Experimental Section第116-118页
        4.1.1 Chemical and Reagents第116页
        4.1.2 Preparation of Powdered Catalyst for Bench Experiments第116-117页
        4.1.3 Catalyst Characterization Techniques第117页
        4.1.4 Degradation and Analysis of CPs (chlorophenols) During Bench Expeirment第117-118页
        4.1.5 Procedure for Monitoring the Stability of the Powdered Catalyst第118页
    4.2 Results and Discussion第118-124页
        4.2.1 Catalyst Characterization第118-124页
    4.3 Catalytic Performance第124-137页
        4.3.1 Influence of Different Metals on the Activity of MgAl Based Catalyst第124-125页
        4.3.2 Effect of Cu on Promotion CP Degradation with CuCoMgAl Catalyst Derived from CoMgAl Based LDH Catalyst第125-127页
        4.3.3 Redox Properties of CuCoMgAl Catalyst第127-129页
        4.3.4 Stability of CuCoMgAl Catalyst第129-130页
        4.3.5 Activity of CuCoMgAl Catalyst in Bicarbonate Activation of Hydrogen Peroxide System第130-131页
        4.3.6 Effect of CP Concentration on the Activity of the Catalyst...115第131-132页
        4.3.7 Effect of H_2O_2 on the Degradation of 4-Chlorophenol第132-133页
        4.3.8 Effect of Bicarbonate on the Degradation of 4-CP第133-134页
        4.3.9 Effect of Temperature on the Degradation of 4-CP第134-135页
        4.3.10 Effect of Solution pH on Degradation of CP第135-136页
        4.3.11 Activity of Catalyst for Other Organic Compounds第136-137页
    4.4 Mechanistic Study第137-142页
        4.4.1 Detection of Free Radicals第138-141页
        4.4.2 Possible Reaction Mechanism第141-142页
    4.5 Conclusion第142页
    References第142-150页
5 Project Summary and Future Out Look第150-153页
    5.1 Project Summary第150-151页
    5.2 Future Out Look第151-153页
Acknowledgement第153-155页
List of Articles Published During PhD第155页

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