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Micro-Mesoporous Metallosilicates

Synthesis, Characterization, and Catalytic Applications
1. Aufl.

von: Peng Wu, Hao Xu
142,99 €
Verlag:	Wiley-VCH (D)
Format:	PDF
Veröffentl.:	05.03.2024
ISBN/EAN:	9783527839360
Sprache:	englisch
Anzahl Seiten:	496

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Micro-Mesoporous Metallosilicates Up-to-date and in-depth text bridging the technology gap between fundamental research and industry-scale applications of porous materials for catalysis Micro-Mesoporous Metallosilicates: Synthesis, Characterization, and Catalytic Applications comprehensively introduces the chemistry and catalytic technologies of metallosilicates, an important family of microporous crystalline zeolite and heteroatom-containing mesoporous materials, with a primary focus on design synthesis, characterization, theoretical studies, and catalytic applications of titanosilicates, tin-silicates, germanosilicates and Ti-mesosilica, and more. The text covers recent advances in the synthesis of titanosilicates, including hydrothermal synthesis, dry-gel conversion, fluoride-assisted synthesis, and post-synthesis methods, along with the synthesis of metallosilicates with two-dimensional lamellar structures and their structural modifications as well as applications in selective oxidation reactions. The text also discusses synthesis of germanosilicates with specially designed organic structure-directing agents, synthesis and catalytic applications of heteroatom-containing mesoporous silica, and dendritic mesoporous silica nanoparticles with unique wrinkled center-radial structures. Overall, every important porous metallosilicate and its synthesis, characterization, pore engineering, catalytic application, and industrial technique and process are covered. Specific sample topics discussed in Micro-Mesoporous Metallosilicates include: <ul><li>Chemical post-modifications of titanosilicates, in terms of the effects on transfer, adsorption/desorption, and surface reactions</li><li>X-Ray based techniques, ultraviolet-visible-near infrared spectroscopy, Raman spectroscopy, and solid-state NMR spectroscopy</li><li>Theoretical calculation as an effective tool and supplement to understand the catalytic active center, structural character, and Brønsted/Lewis acidity</li><li>Titanosilicates in the liquid-phase epoxidation reaction of propylene and propylene chloride to corresponding epoxides</li><li>Effects of particle sizes, oxidation state, and location sites of Au nanoparticles, and epoxidation performance of Ti-containing materials</li></ul> Delivering cutting-edge research and bridging the technology gap between fundamental research and industrial applications, Micro-Mesoporous Metallosilicates is a valuable resource for chemists, materials scientists, chemical engineers, and experienced researchers in related fields.

Inhaltsverzeichnis

Preface xv 1 Synthesis of Titanosilicates 1 Xinqing Lu 1.1 Introduction 1 1.2 Synthesis of Medium-Pore Titanosilicates 5 1.2.1 TS-1 Synthesis 5 1.2.2 Ti-MWW Synthesis 6 1.2.3 TS-2 Synthesis 8 1.2.4 Synthesis of Other Medium-Pore Titanosilicates 9 1.3 Synthesis of Large-Pore Titanosilicates 9 1.3.1 Ti-Beta Synthesis 9 1.3.2 Ti-MOR Synthesis 10 1.3.3 Ti-MSE Synthesis 12 1.3.4 Synthesis of Other Large-Pore Titanosilicates 13 1.4 Synthesis of Extra-Large-Pore Titanosilicates 14 1.5 Synthesis of Mesoporous Titanosilicates 15 1.6 Synthesis of ETSs 17 1.7 Conclusions 18 References 18 2 Layered Heteroatom-Containing Zeolites 31 Hao Xu and Peng Wu 2.1 Introduction 31 2.2 Traditional Layered Heteroatom-Containing Zeolites 32 2.2.1 Heteroatom-Containing MWW-Type Layered Zeolites and Their Derivative Zeolitic Materials 32 2.2.2 Heteroatom-Containing Layered Zeolites Built from fer-Layers 36 2.3 Novel Layered Heteroatom-Containing Zeolites 41 2.3.1 Heteroatom-Containing MFI-Type Layered Zeolites 41 2.3.2 Germanosilicate-Derived Heteroatom-Containing Zeolites 44 2.4 Conclusions 45 Acknowledgments 46 References 46 3 Synthesis and Catalytic Applications of Sn- and Zr-Zeolites 53 Zhiguo Zhu 3.1 Introduction 53 3.2 Synthesis of Sn- and Zr-Zeolites 55 3.2.1 Bottom-up Approaches 56 3.2.2 Top-Down Approaches 63 3.3 General Remarks 66 3.4 Catalytic Applications of Sn- and Zr-Zeolites 67 3.4.1 Redox Catalysis 68 3.4.2 Lewis Acid Catalysis 71 3.4.3 Biomass Conversion 73 3.5 General Remarks 78 References 79 4 Synthesis of Germanosilicates 87 Jiuxing Jiang 4.1 Introduction 87 4.1.1 General Property of Ge/Si Oxides 87 4.1.2 Germanosilicate Glass 88 4.2 Isomorphous Substitution in Germanosilicates 89 4.2.1 Isomorphous Substitution Si in Germanate 89 4.2.2 Isomorphous Substitution Ge in Silicates 92 4.3 Inorganic Structure-Directing Effects 93 4.3.1 Structure-Directing Effects of Ge 93 4.3.2 Structure-Directing Effects of F− 94 4.4 Organic Structure-Directing Agents in Germanosilicate Synthesis 94 4.4.1 Organic Structure-Directing Agent Types and Revolutions 94 4.4.2 Two Important Families of OSDA 95 4.5 Structure Diversity of Germanosilicates/Silicogermanates 106 4.5.1 Relationship Between Composition and Structure 106 4.5.2 Pore Opening 106 4.6 Possibility of Elimination of Ge and Catalytic Research of Germanosilicates 108 4.6.1 The Price Concern of Ge 108 4.6.2 Removal of Ge in Zeolite Synthesis 108 4.6.3 Removal of Ge with Post-synthesis 109 4.6.4 Catalytic Research of Germanosilicates 112 4.7 Conclusions and Outlook 112 References 112 5 Structural Modifications on Germanosilicates 119 Ondřej Veselý, Maksym Opanasenko, and Jǐrí Čejka 5.1 Introduction 119 5.2 Germanosilicates to Layered Precursors 121 5.2.1 UTL to IPC-1P 121 5.3 ADOR Strategy for Developing New Zeolite Structures 125 5.3.1 Assembly 126 5.3.2 Disassembly 127 5.3.3 Organization 127 5.3.4 Reassembly 127 5.3.5 Liquid-phase ADOR 128 5.3.6 Vapor-phase ADOR 135 5.3.7 Reductive Degermanation 136 5.3.8 Solid-state Transformations 137 5.4 Structure Stabilization 139 5.4.1 Degermanation 139 5.4.2 Functionalization With Catalytic Sites 140 5.4.3 Slow Disassembly 141 5.4.4 Reverse ADOR 141 5.5 Germanosilicate-Derived Catalysts 142 5.5.1 Summary and Perspectives 144 Acknowledgements 146 References 146 6 Heteroatom-Containing Dendritic Mesoporous Silica Nanoparticles 153 Bo Peng, Jia-Feng Zhou, Meng Ding, Laurent Bonneviot, and Kun Zhang 6.1 Introduction 153 6.2 Main Synthetic Methods and Formation Mechanism of Pure Silica-Based Dendritic Mesoporous Silica Nanoparticles (DMSNs) 155 6.2.1 Main Synthetic Methods of Dendritic Mesoporous Silica Nanoparticles (DMSNs) 155 6.2.2 Unified Formation Mechanism of Dendritic Mesoporous Silica Nanoparticles 155 6.3 Synthesis of Heteroatom-Containing DMSNs and Their Catalytic Applications 164 6.3.1 One-Pot Doping Strategy for DMSNs Containing Heteroatoms (Al/Ti/V/Sn/Mn/Fe/Co) 165 6.3.2 Post-grafting for Surface Metal Complexes 167 6.3.3 Loading of Metal and/or Metal Oxide Nanoparticles Within the Nanopores 169 6.4 Summary and Perspectives 173 Acknowledgments 173 References 173 7 Chemical Post-Modifications of Titanosilicates 181 Fang Nan, Liu Dongxu, Yu Yunkai, and Liu Yueming 7.1 Introduction 181 7.2 Diffusion and Adsorption/Desorption 182 7.2.1 Hierarchical Titanosilicates 182 7.2.2 Surface Hydrophilicity and Hydrophobicity 183 7.3 Surface Reaction 184 7.3.1 Ti Active Sites Content 184 7.3.2 Ti Active Sites Distribution 186 7.3.3 Ti Active Sites Properties 187 7.4 Solvent Effect 196 7.4.1 Effect of Solvent on Diffusion 197 7.4.2 Effect of Solvent on Adsorption/Desorption 199 7.4.3 Effect of Solvent on Surface Reactions 200 7.5 Conclusions and Prospects 204 References 204 8 Spectroscopic Characterization of Heteroatom-Containing Zeolites 217 Guodong Qi, Jun Xu, and Feng Deng 8.1 X-Ray Technique 217 8.1.1 XRD Determination of Framework Structure and Heteroatoms in Zeolites 217 8.1.2 XAS Characterization of Metals in Zeolite 219 8.1.3 XPS Analysis of the Chemical State of Metal Species 222 8.2 Ultraviolet–Visible-Near Infrared (UV–VIS–NIR) Spectroscopy 224 8.2.1 UV–VIS–NIR Characterization of Framework and Non-Framework Metal Species 224 8.2.2 UV–VIS–NIR Characterization of Metal Species on Ion Exchange Sites of Zeolites 226 8.3 Raman Spectroscopy 227 8.3.1 Raman Study of Synthesis Mechanism and Assembly of Metal-Zeolites 228 8.3.2 Raman Characterization of Active Metal-Oxygen Species in Zeolites 228 8.4 Solid-State NMR Spectroscopy 230 8.4.1 Solid-State NMR Characterization of Metal Elements in Zeolites 231 8.4.2 Solid-State Correlation NMR Measurement of Active Site Proximity and Host–Guest Interactions 233 8.4.3 In Situ Solid-State NMR for the Study of Reaction Mechanisms 235 8.5 Conclusions 238 Acknowledgments 239 References 239 9 Theoretical Calculations of Heteroatom Substituted Zeolites 253 Xin Yu, Wenjun Dong, Wei Chen, and Anmin Zheng 9.1 Introduction 253 9.2 Ti-Doped Zeolites 254 9.2.1 Preferred Tetrahedral (T) Sites for Substitution 255 9.2.2 Lewis Acid 257 9.2.3 Active Site with H2O2 258 9.2.4 Reaction Mechanism 261 9.3 Sn-Doped Zeolites 267 9.3.1 Preferred Substitution T Sites and Acidity 267 9.3.2 Reaction Mechanism 268 9.3.3 Other Catalytic Reactions 272 9.4 Other Metal-Substituted Zeolites 273 9.5 Summary and Outlook 276 Acknowledgments 276 References 277 10 Catalytic Ammoximation of Ketones or Aldehydes Using Titanosilicates 283 Rusi Peng, Hao Xu, Chengwei Zhai, Mingyuan He, and Peng Wu 10.1 Introduction 283 10.2 The Development of Titanosilicates in Ammoximation of Ketones and Aldehydes 284 10.3 Ammoximation Mechanism and Product Distributions of Representative Ketones and Aldehydes 288 10.3.1 Titanosilicate-Catalyzed Ammoximation Mechanism 288 10.3.2 Product Distributions for Ammoximation of Representative Carbonyl Compounds 290 10.4 Enhancing Ammoximation Performances in Titanosilicate/H2O2 System 295 10.4.1 Improvement of Catalytic Ammoximation Activity 296 10.4.2 Improvement of Catalytic Ammoximation Stability 300 10.5 Ketone Ammoximation Technology for Industrial Processes 302 10.6 Titanosilicate-Based Bifunctional Catalysts for Process Intensified or Tandem Ammoximation Reactions 306 10.7 Conclusions and Perspectives 310 Acknowledgments 311 References 311 11 Titanosilicate-Based Alkene Epoxidation Catalysis 323 Changjiu Xia and Xiang Feng 11.1 Introduction 323 11.2 Reaction Chemistry of Alkene Epoxidation Catalyzed by Titanosilicate Zeolites 326 11.3 Typical Alkene Epoxidation Cases 329 11.3.1 Propylene Epoxidation for PO Production 329 11.3.2 Propylene Chloride Epoxidation 331 11.3.3 Ethylene Epoxidation to EO, EG, and Ethers 334 11.4 Industrial Propylene Epoxidation Techniques and Processes 336 11.5 Conclusion and Outlook 339 Acknowledgments 339 References 340 12 Propylene Epoxidation with Cumene Hydroperoxide/Titanosilicates 345 Le Xu and Hailang Liu 12.1 Introduction 345 12.2 Traditional Route for PO Production (Chlorohydrin Process) 347 12.3 Co-production Route for PO Production (PO/TBA and PO/SM Processes) 347 12.4 PO-Only Production Routes (HPPO and CMHPPO Routes) 349 12.5 Catalyst Design for PO-Only Routes 350 12.5.1 Mesoporous Ti-Doped Catalysts for CMHPPO Process 352 12.5.2 Hierarchical Titanosilicates for CMHPPO Process 357 12.6 Industrial CMHPPO Process 362 12.7 Conclusions and Outlooks 363 References 364 13 Hydroxylation of Benzene and Phenol on Zeolite Catalysts 367 Shiying Li, Shanhui Zhu, Sen Wang, Mei Dong, and Weibin Fan 13.1 Introduction 367 13.2 Hydroxylation of Benzene to Phenol 368 13.2.1 Gas-Phase Reactions 368 13.2.2 Liquid-Phase Reactions 378 13.3 Hydroxylation of Phenol to DHB 381 13.3.1 Fe-Containing Molecular Sieves as Catalysts 382 13.3.2 Titanosilicate Molecular Sieves as Catalysts 387 13.3.3 Transition Metal Complexes Encapsulated in Zeolite Y as Catalysts 393 13.4 Summary 394 Acknowledgments 395 References 395 14 Bifunctional Titanosilicate Systems for the Gas-Phase Catalytic Propylene Epoxidation with Hydrogen and Oxygen 403 Gang Wang, Qianhong Wang, Zhihua Zhang, Xuezhi Duan, and Xinggui Zhou 14.1 Introduction 403 14.2 Advances in the Catalytic Propylene Epoxidation with H2 and O2 404 14.2.1 Mechanistic Insights into Au-Ti Synergy 404 14.2.2 Effects of Au Particle Properties 406 14.2.3 Effects of Materials’ Properties for Immobilizing Au Particles 408 14.2.4 Effect of Promoters 413 14.3 Conclusions and Outlook 415 Conflicts of Interest 416 References 416 15 Zeolites Containing Heteroatoms/Metal Nanoparticles for Catalytic Conversion of Light Alkanes 423 Hang Zhou, Liang Wang, and Feng-Shou Xiao 15.1 Introduction 423 15.2 Metal Nanoclusters and Heteroatoms in Zeolite for Propane Dehydrogenation 424 15.2.1 Zeolite-Based Catalysts for Non-Oxidative PDH 425 15.2.2 Zeolite-Based Catalysts for Oxidative PDH 426 15.3 Metallosilicates for Ethane Dehydrogenation 430 15.3.1 Metallosilicates for Non-Oxidative Dehydrogenation of Ethane 430 15.3.2 Metallosilicates for Oxidative Dehydrogenation of Ethane 431 15.4 Zeolite Catalysts for Selective Oxidation of Methane 432 15.4.1 Bionic Catalysis of Methane to Methanol Using Metallosilicates 434 15.4.2 In situ Synthesizing Hydrogen Peroxide for Low-Temperature Methane Oxidation Using Metal@zeolite 435 15.4.3 Direct Metal Oxidation with Oxygen by Zeolite-Supported Nanoparticle Catalysts 436 15.5 Summary and Outlook 439 Acknowledgments 440 References 440 16 Design and Applications of Single-Site Photocatalysis Using Metallosilicates 447 Priyanka Verma and Hiromi Yamashita 16.1 Introduction 447 16.2 Ti-Based Single-Site Photocatalysis Within Zeolites and Mesoporous Silica 449 16.3 Single-Site Photocatalysis Based Thin Films 450 16.3.1 Thin Films with Ti-Oxide Species 450 16.3.2 Thin Films with Various Metal Oxide Species (Mo, V, Cr, and W) 452 16.4 Visible-Light Sensitive Single-Site Photocatalysis 454 16.5 Nano-Sized Metal Preparation Using Single-Site Photocatalyst 456 16.5.1 Preparation of Monometallic NPs 456 16.5.2 Preparation of Bimetallic Metal NPs 457 16.6 Conclusions 458 Acknowledgments 461 References 461 Index 465

Autorenportrait

Peng Wu, PhD, is a Professor in School of Chemistry and Molecular Engineering at East China Normal University. His research interests focus on design, functionalization, and catalytic applications of novel zeolites. Hao Xu, PhD, is a Professor in School of Chemistry and Molecular Engineering at East China Normal University. Her research interests focus on the design and synthesis of novel zeolite catalysts via post modifications

Back cover copy

Up-to-date and in-depth text bridging the technology gap between fundamental research and industry-scale applications of porous materials for catalysis Micro-Mesoporous Metallosilicates: Synthesis, Characterization, and Catalytic Applications comprehensively introduces the chemistry and catalytic technologies of metallosilicates, an important family of microporous crystalline zeolite and heteroatom-containing mesoporous materials, with a primary focus on design synthesis, characterization, theoretical studies, and catalytic applications of titanosilicates, tin-silicates, germanosilicates and Ti-mesosilica, and more. The text covers recent advances in the synthesis of titanosilicates, including hydrothermal synthesis, dry-gel conversion, fluoride-assisted synthesis, and post-synthesis methods, along with the synthesis of metallosilicates with two-dimensional lamellar structures and their structural modifications as well as applications in selective oxidation reactions. The text also discusses synthesis of germanosilicates with specially designed organic structure-directing agents, synthesis and catalytic applications of heteroatom-containing mesoporous silica, and dendritic mesoporous silica nanoparticles with unique wrinkled center-radial structures. Overall, every important porous metallosilicate and its synthesis, characterization, pore engineering, catalytic application, and industrial technique and process are covered. Specific sample topics discussed in Micro-Mesoporous Metallosilicates include: <ul><li>Chemical post-modifications of titanosilicates, in terms of the effects on transfer, adsorption/desorption, and surface reactions</li><li>X-Ray based techniques, ultraviolet-visible-near infrared spectroscopy, Raman spectroscopy, and solid-state NMR spectroscopy</li><li>Theoretical calculation as an effective tool and supplement to understand the catalytic active center, structural character, and Brønsted/Lewis acidity</li><li>Titanosilicates in the liquid-phase epoxidation reaction of propylene and propylene chloride to corresponding epoxides</li><li>Effects of particle sizes, oxidation state, and location sites of Au nanoparticles, and epoxidation performance of Ti-containing materials</li></ul> Delivering cutting-edge research and bridging the technology gap between fundamental research and industrial applications, Micro-Mesoporous Metallosilicates is a valuable resource for chemists, materials scientists, chemical engineers, and experienced researchers in related fields.