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高效低温NH3-SCR脱硝铜(铁)基氧化物催化剂的制备与性能

Abstract in English第5-7页
Abstract in Chinese第8-21页
Chapter 1 Introduction第21-39页
    1.1 Research background第21-23页
        1.1.1 Sources and hazards of Nitrogen oxides第22页
        1.1.2 Nitrogen oxides emission in China第22-23页
    1.2 Types of De NOx technique第23-25页
        1.2.1 Selective non catalytic reduction (SNCR)第23-24页
        1.2.2 Non-selective catalytic reduction (NSCR)第24页
        1.2.3 Selective catalytic reduction (SCR)第24-25页
    1.3 NH_3-SCR of NO chemistry第25-26页
    1.4. Catalyst for NH_3-SCR reaction第26-34页
        1.4.1. Cu-based catalysts第26-31页
        1.4.2. Ce based catalysts第31-33页
        1.4.3. Fe based catalysts第33-34页
    1.5 Effect of reaction condition第34-38页
        1.5.1 Effect of H_2O第34-36页
        1.5.2 Effect of SO_2第36-37页
        1.5.3 Effect of Alkali and alkaline earth metals第37-38页
    1.6 Research content of the thesis第38-39页
Chapter 2 Experimental section第39-46页
    2.1 chemical reagents第39-40页
        2.1.1 Chemical reagents第39-40页
        2.1.2 Apparatus第40页
    2.2 Characterization techniques第40-42页
        2.2.1 XRD measurement第40页
        2.2.2 XRF test第40-41页
        2.2.3 TEM analysis第41页
        2.2.4 BET surface area第41页
        2.2.5 Temperature program reduction with H_2 (H_2-TPR)第41页
        2.2.6 Temperature program desorption (TPD)第41-42页
        2.2.7 X-ray photoelectron spectroscopy (XPS)第42页
        2.2.8 In situ diffuse reflectance Fourier transform infrared spectrum (DRIFTS)第42页
    2.3 Catalyst preparation第42-44页
        2.3.1 Cu_x-Ce_(0.5-x)-Zr_(0.5) (x = 0.1-0.5) oxides第42-43页
        2.3.2 Cu_x-Nb_(1.1-x) (x = 0.45, 0.35, 0.25, 0.15) oxides第43页
        2.3.3 Fe_x-Nb_(0.5-x)-Ce_(0.5) (x = 0.45, 0.4, 0.35) oxides第43-44页
    2.4 Catalytic activity measurement第44-45页
    2.5 TOF calculation第45-46页
Chapter 3 Synergistic Effect between Copper and Cerium on the Performance of Cu_x-Ce_(0.5-x)-Zr_(0.5) (x = 0.1-0.5) Oxides Catalysts for Selective Catalytic Reduction of NO with Ammonia第46-75页
    3.1 Introduction第46页
    3.2 Results and discussion第46-54页
        3.2.1 Catalytic activity for NH_3-SCR第46-48页
        3.2.2 Effect of GHSV第48-50页
        3.2.3 Effect of SO_2 and H_2O第50-52页
        3.2.4 Separated NH_3 and NO oxidation第52-54页
    3.3 Analysis and characterizations第54-66页
        3.3.1 Results of XRD and BET surface area第54-55页
        3.3.2 Raman Study第55-56页
        3.3.3 H_2-TPR measurement第56-58页
        3.3.4 XPS analysis第58-62页
        3.3.5 NH_3-TPD study第62-63页
        3.3.6 NO-TPD evaluation第63-64页
        3.3.7 Synergistic effect of Cu and Ce第64-66页
    3.4. In situ DRIFTS Studies第66-73页
        3.4.1 Adsorption of NH_3/NO + O_2第66-68页
        3.4.2 Reaction between nitrogen oxides and adsorbed ammonia species第68-69页
        3.4.3 Reaction between ammonia and adsorbed nitrogen oxides species第69-70页
        3.4.4 NH_3 + NO + O_2 co-adsorption第70-73页
    3.5 Brief summery第73-75页
Chapter 4: Cu_x-Nb_(1.1-x) (x = 0.45, 0.35, 0.25, 0.15) bimetal oxides catalysts for thelow temperature selective catalytic reduction of NO with NH_3第75-110页
    4.1 Introduction第75页
    4.2 Results and discussion第75-83页
        4.2.1 Catalytic activity for NH_3-SCR第75-77页
        4.2.2 Effect of GHSV第77-78页
        4.2.3 H_2O and SO_2 stability第78-82页
        4.2.4 Separated NO and NH_3 oxidation第82-83页
    4.3 Analysis and characterizations第83-99页
        4.3.1 XRD and BET results第83-86页
        4.3.2 Raman spectra study第86-87页
        4.3.3 TEM analysis第87-88页
        4.3.4 H_2-TPR results第88-90页
        4.3.5 NH_3-TPD analysis第90-91页
        4.3.6 NO-TPD measurement第91-92页
        4.3.7 XPS study第92-94页
        4.3.8 Relative TOF results第94-95页
        4.3.9 Interaction between Cu and Nb oxides第95-99页
    4.4. In situ DRIFTS study第99-108页
        4.4.1 NH_3 or NO + O_2 adsorption ability第99-103页
        4.4.2 Reaction between adsorbed NH_3 and NO+O_2 species第103-105页
        4.4.3 Reaction between adsorbed NO+O_2 and NH_3 species第105-106页
        4.4.4 Co-adsorption of NO + O_2 + NH_3第106-108页
    4.5. Brief summery第108-110页
Chapter 5 Promotional effects of Nb on NH_3-SCR of NO over Fe_x-Nb_(0.5-x)-Ce_(0.5) (x = 0.45, 0.4, 0.35) oxides catalysts第110-139页
    5.1 Introduction第110-111页
    5.2. Results and discussion第111-118页
        5.2.1 Catalytic activity for NH_3-SCR第111-113页
        5.2.2 Effect of SO_2 and H_2O第113-116页
        5.2.3 NO and NH_3 separate oxidation第116-118页
    5.3. Analysis and characterizations第118-128页
        5.3.1 Texture property第118-120页
        5.3.2 H_2-TPR study第120-121页
        5.3.3 NH_3-TPD analysis第121-122页
        5.3.4 NO-TPD results第122-124页
        5.3.5 XPS study第124-128页
    5.4. In situ DRIFTS study第128-138页
        5.4.1 Separate adsorption of NH_3 and NO + O_2第128-130页
        5.4.2 Reaction between absorbed NH_3 and NO+O_2第130-131页
        5.4.3 Reaction between ammonia and adsorbed nitrogen oxides species第131-133页
        5.4.4 Co-adsorption of NO+O_2+NH_3第133-135页
        5.4.5 Promotional effects of Nb on Fe0.5-Ce0.5第135-138页
    5.5. Brief summery第138-139页
Conclusion第139-142页
References第142-157页
Acknowledgement第157-158页
Publications during Ph.D. education第158页

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