Recent Advances and New Horizons in Zeolite Science and Technology (eBook)

Cover 1
Contents 12
Preface 6
List of contributors 8
Chapter 1. Periodic Mesoporous Materials: Synthesis, Characterization and Potential Applications 18
Introduction 18
Synthesis and characterization of M41S and related materials 2 19
Catalytic Applications of M41S and related materials 44
Other potential applications 50
Concluding remarks 50
References 54
Chapter 2. Synthesis, Characterization, and Catalysis with Microporous Ferrierites, Octahedral Molecular Sieves, and Layered Materials 64
Overview 64
n-Butene isomerization with boron substituted zeolites and ferrierites 69
Synthesis of octahedral molecular sieves and octahedral layered materials 72
Characterization of octahedral molecular sieves and octahedral layered materials 82
Catalytic activity of octahedral molecular sieves and octahedral layered systems 84
References 86
Chapter 3. Organic Zeolites? 92
Introduction 92
Dianin's Compound 93
Helical tubulates of 2,6-Dimethylbicyclo[3.3.1]nonane-exo-2,exo-6-diol 95
[Ag(1,3,5-tris(3-ethynylbenzonitrile)benzene)CF3SO3]-2C6H6 96
[Ag(1,3,5-tris(4-thynylbenzonitrile)benzene)CF3SO3]-2C6H6 98
Further Directions 101
References and Notes 109
Chapter 4. Spectroscopic Characterisation of Zeolites 114
Introduction 114
EPR spectroscopy 115
Infrared spectroscopy 123
Raman spectroscopy 140
UV-Visible spectroscopy 144
X-ray absorption spectroscopy 147
Mass spectrometry of zeolites 151
References 153
Chapter 5. Characterization of Zeolitic Materials by Solid-State NMR-State of the Art 92
Introduction 92
High resolution solid state NMR spectroscopy-experimental techniques including 2D NMR 160
Recent highlights about the framework characterization 174
Pore architecture investigated by NMR 189
In-situ NMR studies with zeolitic materials 193
Diffusion of adsorbed molecules monitored by NMR 196
Acidity of zeolitic materials 198
Concluding remarks 201
References 202
Chapter 6. Application of Surface Science Techniques in the Field of Zeolitic Materials 208
Introduction 208
Photoelectron spectroscopy (XPS) and other surface analysis 209
XPS of zeolites 221
Acidity in zeolites 226
Basicity in zeolites 234
Active centers in zeolitic oxidation catalysts 238
Conclusion 242
References 244
Chapter 7. Computational Approaches in Zeolite Structural Chemistry 248
Roles of simulation 248
Structural characterization 250
Occluded or sorbed molecules and clusters 264
Meso- and macro-structure 267
Dynamical behavior 268
Sorptive behavior 270
Intrazeolite chemistry 272
Some five year challenge areas 272
Conclusion 276
References 277
Chapter 8. What Can Be in the Channels and Cavities of Zeolites? 284
Zeolites and their frameworks 284
The contents of neutral zeolite frameworks 286
The contents of charged zeolite frameworks 287
Molecular and ionic sieving 291
Sorption of atoms and molecules 293
A single substance may react within a zeolite 296
Two different substances may react within a zeolite Encapsulation 302
An empty zeolite is a crystalline solvent 306
An appeal for care in the preparation of samples for study 306
Final comments 308
References 308
Chapter 9. Conjugated and Conducting Nanostructures in Zeolites 312
Introduction 312
Polyacetylene and derivatives in zeolites 321
Heteroaromatic conducting polymers in zeolites 322
Carbon-Based Conducting Materials in Nanometer Channels 331
Conclusions 334
References 335
Chapter 10. New Catalytic Applications of Zeolites for Petrochemicals 340
Introduction 340
Catalytic cracking 342
Aromatization of alkanes/alkenes 361
Skeletal isomerization of 1-butene 366
Alkene oligomerization 370
Isomerization of long-chain alkanes 370
References 372
Chapter 11. Synthesis of Intermediates and Fine Chemicals using Molecular Sieve Catalysts 380
Introduction 380
Chemical functionalities of molecular sieves 382
Physical aspects of molecular sieve catalysis for chemical synthesis 413
Conclusion and outlook 417
References 421
Chapter 12. Zeolite-based Membranes, Preparation, Performance and Prospects 430
Introduction 430
Dynamics of zeolite pores and consequences for adsorption and permeation 434
Small pore zeolites 438
Medium pore zeolites 445
Large pore zeolite-based membranes (12 membered oxygen ring) 449
Permeation through silicalite-1 membranes: examples and modelling 450
Zeolite membranes in catalytic conversions 463
Prospects 467
References 468
Keyword index 472
Studies in Surface Science and Catalysis 480