Recent Advances in the Science and Technology of Zeolites and Related Materials

Name: Recent Advances in the Science and Technology of Zeolites and Related Materials | Proceedings of the 14th International Zeolite Conference, Cape Town, South Africa, 25-30th April 2004
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Proceedings of the 14th International Zeolite Conference, Cape Town, South Africa, 25-30th April 2004

E. Van Steen L.H. Callanan M. Claeys(Herausgeber*in)

Elsevier (Verlag)

1. Auflage

Erschienen am 18. Dezember 2004

780 Seiten

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Table of Contents
Methylcyclohexane Transformation Over HBEA and HMOR Zeolites: Reaction And Deactivation
Abstract
Introduction
Experimental
Results and Discussion
Activity and Selectivity of the Fresh Catalysts
Composition of Coke and Mode of Formation
Mode of Deactivation
Conclusions
References
In Situ Investigation of Cumene Synthesis Over Dealuminated Zeolite Catalysts by Means of a Tapered Element Oscillating Microbalance
Abstract
Introduction
Experimental Section
Catalyst Preparation and Characterization
Catalytic Experiments
Results and Discussion
Catalyst Characterization
Cumene Synthesis Over Zeolites H-EU-1, H-NU-87, H-MCM-22 and H-Beta
Influence of the Dealumination
Conversion Over Zeolite H-Beta
Conversion Over Zeolite H-EU-1
Conversion Over Zeolite H-MCM-22
Conclusions
Acknowledgements
References
Regimes of Methanol Conversion on Zeolites
Abstract
Introduction
Experimental
Results and Discussion
Initiation
Acceleration
Retardation
Reanimation
Regime of Deactivation by Coking
Conclusions
References
Dynamics of Water and Methanol in H-Mordenite
Abstract
Introduction
Methods and Models
Results and Discussion
Conclusion
References
The Activation of C=C Bond in Alkenes by Cu+ Ions in Zeolites IR, TPD-IR Studies and DFT Calculations
Abstract
Introduction
Experimental
DFT Calculation Method
Results and Discussion
IR Studies of the Interaction of but-1-ene with Cu+ in CuX and CuZSM-5
TPD-IR Studies of Butene Desorption from CuX Zeolite
Quantumchemical DFT Calculations
Acknowledgement
References
A CFB Unit for Skeletal Isomerization of Linear C4-C6 Olefins on Ferrierite Catalysts
Abstract
Introduction
Experimental
Catalyst
Feed and Product Analysis
CFB Pilot Unit
Fixed Bed Unit
Results and Discussion
Activity in Fixed Bed Microreactor
Activity in CFB Pilot
Comparison of the Reactors
Conclusion
References
Transalkylation of 1,4-Diisopropylbenzene with Naphthalene over Dealuminated Mordenites
Abstract
Introduction
Experimental
Results and Discussion
Catalysts
Transalkylation of Naphthalene and Diisopropylbenzene
Conclusions
Acknowledgements
References
Selectivity Improvement in Xylene Isomerization
Abstract
Introduction
Experimental Section
Catalyst Modification
Catalyst Characterization
Xylene Isomerization
Results and Discussion
Characterization of Pre-Coked and Silylated Samples
Effect of Surface Modification on Selectivity
Xylene Isomerization via Transmethylation Reactions
Conclusions
Acknowledgements
References
Catalytic Synthesis of Hexyl-Naphthalene over H-Type Zeolites
Abstract
Introduction
Experiment
Synthesis and Characterization of H-Type Zeolites
Test of the Catalytic Properties
Results and Discussion
Effects of Reaction Temperature and Reaction Time on Naphthalene Conversion
Effect of Reaction Temperature and Reaction Time on Product Distribution
Characterization and Difference in Catalytic Activities of the Catalysts
Acknowledgement
References
An Alternative Preparation Method for Ion Exchanged Catalysts: Solid-State Redox Reaction
Abstract
Introduction
Experimental
Samples
TPHE
XANES
DRIFTS
Ethane Aromatization
Results and Discussion
Conclusion
Acknowledgement
References
Catalytic Activity of Zincosilicate MFI for the Dehydrogenation of Hydrocarbons
Abstract
Introduction
Experimental
Results and Discussion
Conclusions
References
Dehydrogenation of Ethylbene over Ga- and fe-Containing MCM-41
Abstract
Introduction
Experimental
Results and Discussion
Catalysts
Oxidative Dehydrogenation of Ethylbenzene
Dehydrogenation of Ethyl Benzene
Stability of the Catalysts
Conclusions
Acknowledgements
References
An In Situ 13C MAS NMR Study of the Zeolite-Catalyzed Alkylation of Polar Aromatics
Abstract
Introduction
Experimental
Results and Discussion
Methylation of Aniline and Phenol on Acidic Zeolite H-Y
Methylation of Aniline and Phenol on Basic Zeolite CsOH/CsNa-Y
Conclusions
Acknowledgements
References
Pore Structure and Shape-Selectivity in the Isopropylation of Biphenyl Catalyzed by One-Dimensional Large Pore Zeolites
Abstract
Introduction
Experimental
Zeolites
Catalysis
Reagents
Isopropylation
Characterization of Catalysts
Results and Discussion
Twelve Membered Ring Zeolites
Mordenite
ZSM-12
SSZ-31
SSZ-24
SSZ-42
Fourteen Membered Ring Zeolites
UTD-1
CIT-5
Shape-Selectivity and Type of Zeolites
Conclusion
References
Influence of Zeolite Pore Structure on Benzene Propylation to Iso-/n-Propylbenzene
Abstract
Introduction
Experimental
Computations
Zeolites
13C NMR
Results and Discussion
Computer Simulations
13C NMR
Conclusions
References
Effects of SiO2/Al2O3, MgO Modification and Hydrothermal Treatment on Shape-Selectivity Methylation of 4-Methylbiphenyl with Methanol over HZSM-5 Zeolite ...
Abstract
Introduction
Experimental
Preparation of the Samples
Characterization of the Samples
Catalytic Test
Results and Discussion
Effects of SiO2 / Al2O3 Ratios of HZSM-5
Effect of MgO Modification
Effect of Hydrothermal Treatment
Conclusion
Acknowledgements
References
Pressure Induced Enhancement of Shape Selective Phenol Methylation
Abstract
Introduction
Experimental Section
Results and Discussion
Conclusions
References
Synthesis of 2,6-Dimethylnaphthalene from Pentenes and Toluene
Abstract
Introduction
Experimental Section
Results and Discussion
2,6-DMN from O-Xylene and 1,3-Butadiene via 2,6-Triad DMNs
2,6-DMN from Toluene and Pentenes via 2,6- and 2,7-Triad DMNs
Alkylation
Reforming
Hydroisomerization/Dehydrogenation
Conclusions
Acknowledgements
References
Acidity Characterization of H-ZSM-5 Catalysts Modified byPre-Coking and Silylation
Abstract
Introduction
Experimental
Surface Modification Methods
Characterization Methods
Results and Discussion
Solid-State 27Al MAS NMR Study
Room Temperature Xenon Isotherm and 129Xe NMR Studies
Solid-State 31P MAS NMR Study
Conclusions
Acknowledgements
References
Synthesis and Characterization of Zeolite NU-1
Abstract
Introduction
Experiment
Catalyst Preparation
Catalyst Characterization
XRD Test
Scanning Electron Microscopy
FTIR Spectroscopy
Temperature Programmed Desorption of Ammonia
Reaction Tests
Results and Discussions
Synthesis and Characterization of the Zeolite Nu-1
Catalysis
Conclusion
References
Shape Selective Conversion of 1,2,4-Trimethylbene over Different Zeolite Frameworks
Abstract
Introduction
Experimental
Results and Discussion
Pseudocumene Reactivity on 12-Membered Ring Systems: Beta and Y Zeolites
Pseudocumene Reactivity on ZSM5
Interaction of the Beta Zeolite Catalyst with 1,2,4-TMB
Interaction of the Beta Zeolite Catalyst with 1,3,5-TMB
Interaction of the H-ZSM5 Zeolite Catalyst with 1,2,4-TMB
Conclusions
References
A Convenient Route to Inactivate the External Surfaces of Zeolite HZSM-5
Abstract
Introduction
Experimental
Preparation of Samples
Characterizations
Results and Discussion
Acknowledgement
References
Performance of FCC Catalytsts Prepared with Sub-Micron Y Zeolite
Abstract
Introduction
Experimental
Results and Discussion
Characterisation of Zeolites and FCC Catalysts
Performance of FCC Catalysts
Conclusions
References
The Role of Manganese Contained Zeolite Catalysts in Tuning Bi-/Mono-Molecular Reaction Pathway Selectivity in FCC Process
Abstract
Introduction
Experimental
Results and Discussion
Relative Selectivity of Bi-molecular to Mono-molecular Reaction Pathways (R1)
Selective Hydrogen Transfer Ability
The Role of Mn in Stabilizing the Unit Cell of Y Zeolite
The Role of Mn in Activating C-H Bonding of Hydrocarbon Molecules
Design of a Practical Catalyst and its Commercial Performance
Conclusion
References
Development of Structure Stabilized SSY Zeolite
Abstract
Introduction
Experimental
Sample Preparation
Sample Characterization
Sample Evaluation
Results and Discussion
Properties of the SSY
Analysis and Performance
Equilibrium Cell Stability
Acid Hydroxyl Structure Stability
Framework Aluminum Stability
Evaluation
Cracking Activity and Hydrogen Transfer Activity
Conversion Capability and Reduction of Olefin
Conclusion
References
Catalytic and Mass Transport Properties of Ferrierites: The Skeletal Isomerization of Butene
Abstract
Introduction
Experimental Section
Results and Discussions
Conclusions
Acknowledgements
References
Medium and Large Pore Zeolites in N-Hexene Skeletal Isomerization
Abstract
Introduction
Experimental Section
Zeolites
Characterization of Zeolites
Activity Measurements
Results and Discussion
Conclusions
Acknowledgements
References
Isomerization of Cyclopropane on H+-Exchanged Zeolites of Different Types: An In Situ Drift Spectroscopic Study
Abstract
Introduction
Experimental
Results and Discussion
Acknowledgments
References
Initiation of Unfavourable Reactions by Proton Cyclic Transfer over Zeolite-Containing Catalysts
Abstract
Introduction
Experimental
Results
Effect of Catalyst Pretreatment
Discussion
Conclusion
References
Aliphatic-Aromatic Hydrocarbon Interconversion over Zn and Ga Modified Zeolites: Effect of Zeolite Crystallinity and Method used for Modification on Performance
Abstract
Introduction
Experimental
Results and Discussion
ZnH-ZSM-5 and Zn/H-ZSM-5 Samples
GaH-ZSM-5 and Ga/H-ZSM-5 Samples
Acknowledgement
References
Hydroisomerization of n-Hexadecane on Zeolite Catalysts
Abstract
Introduction
Experimental
Catalyst Preparation
Catalytic Activity Measurements
Surface Acidity Measurements
Results and Discussion
Activity and Selectivity Results
Surface Acidity of Pt/SAPO-11
Distribution of Products
Distribution of Isomerized Products
Distribution of Cracked Products
Discussion of Reaction Mechanism
Conclusion
References
The Effect of Acidity and Pore Structure of Catalysts on the Dehydroisomerization of n-Butane to Isobutene
Abstract
Introduction
Experimental
Synthesis of Molecular Sieve
Catalyst Preparation
Characterization
Catalytic Testing
Results and Discussion
Conclusion
References
Pd-Mo Bimetallic Catalysts Supported on Y-Zeolite: Effect of Molybdenum on Structural and Catalytic Properties of Palladium in Partial Hydrogenation of 1,3 Butadiene
Abstract
Introduction
Experiments
Preparation and Treatment of Catalysts
Catalyst Characterization
Catalytic Tests
Results and Discussions
Electron Microscopy Investigation
XRD Investigation
Catalytic Tests Results
Conclusion
References
Deactivation of Pt/Mordenite (MOR) during the Hydroisomerisation of N-Pentane
Abstract
Introduction
Experimental
Catalyst Preparation
Catalytic Test
Characterisation of the Catalysts
Chemical Analysis
Samples Textural Determination
X-Ray Diffraction
XPS-Spectroscopy
CO Chemisorption
NH3-TPD
NMR-Spectroscopy
IR-Spectroscopy
Results
Catalytic Tests
Reference Tests (TR)
Deactivalion Tests (TD)
Deactivation Tests at Low Temperature (Test TDLT)
Characterisation
ICP (Elemental Analysis)
Textural Determination
X-Ray Diffraction
XPS Spectroscopy
Platinum Efficiency Measurement by CO Chemisorption
Ammonia Adsorption and Temperature Programmed Desorption (NH3-TPD)
NMR-Spectroscopy
IR Spectroscopy
Discussion
Catalytic Performances of the Fresh Catalysts: Comparison between MOR/Pt(5) and MOR/Pt(18)
Deactivation of the Catalysts
Regeneration of Deactivated Catalysts
References
Hydrocracking Catalysts based on the New Large-Pore ITQ-21 Zeolite for Maximizing Diesel Products
Abstract
Introduction
Experimental
Preparation of Catalysts
Characterization Techniques
Catalytic Experiments
Results and Discussion
Characterization of Catalysts
Hydrocracking Experiments
Influence of Zeolitic Component
Influence of the Location of Nimo Phase in ITQ-21 based Catalysts
Acknowledgements
References
The Effect of Iron Content on the Activity of [Fe]-ZSM-5 Catalysts
Abstract
Introduction
Experimental
Results and Discussion
Conclusions
Acknowledgement
References
Use of Bifunctional Metal/Base Catalyts in the Direct Synthesis of MIBK from Acetone: Comparison between Pt and Pd Catalysts
Abstract
Introduction
Experimental
Catalyst Preparation
Catalyst Characterization
Reaction Conditions
Results
Reaction Products
Pd/X Samples
Stability
Effect of H2/Ac Ratio
Effect of Reaction Temperature
Effect of Reduction Temperature
Pt/X Samples
Stability
Effect of H2/Ac Ratio
Effect of Reduction Temperature
Conclusion
References
Reforming of n-Hexane over Pt-Tin Silicalite-1
Abstract
Introduction
Experimental
Preparation of Catalysts
Catalytic Reactions
Results and Discussion
Influence of Pt-Content of Pt-Sn-Sil-1 on n-Hexane Conversion
Influence of Temperature
Effect of Contact Time
Influence of H2/n-Hexane Mole Ratio
Comparison with Conventional Reforming Catalysts
Conclusions
References
The Effect of the Compensating Cation and of the Reduction Temperature on the Size of Platinum Particles on X Zeolite
Abstract
Introduction
Experimental Section
Results and Discussion
Atomic Absorption and Atomic Emission
Extended X-ray Absorption Fine Structure (EXAFS)
Transmission Electronic Microscopy (TEM)
Conclusion
Acknowledgement
References
Evaluation of Fe/MCM-41 Catalysts in the Water Gas Shift Reaction
Abstract
Introduction
Experimental
Results and Discussion
Conclusions
Acknowledgement
References
Carbided Mo/Al-FSM16 for Methane Conversion
Abstract
Introduction
Experimental
Preparation and Carbiding of mo/Al-FSM16
Results and Discussion
Activities of He-purged Catalysts for Methane Conversion
Active Carbidic and Carbonaceous Species during TPSR
Active mo Carbide for CH4 Conversion
Active Intermediate Carbonaceous Species and Benzene Formation
Conclusion
Acknowledgment
References
Thiophene Hydrodesulfurization using Beta-MO2C/MCM-41 as Catalyst
Abstract
Introduction
Experimental
MCM Synthesis Procedure
Catalyst Preparation
Catalyst Characterization
Thiophene HDS Reactivity
Results and Discussion
Conclusions
References
Development of Novel Catalytic Additives for the In Situ Reduction of NOx from Fluid Catalytic Cracking Units
Abstract
Introduction
Experimental
Results and Discussion
Pathways of Nitrogen in the FCC Unit
Vacuum TPD Measurements of FCC Catalysts Coked with Model Substances Bearing Nitrogen Functional Groups (Aniline, Pyrrole and Pyridine)
Vacuum TPD Measurements of Coked FCC Catalysts
Temperature Programmed Oxidation Experiments with Coked FCC Catalysts: The Effect of Pt-Based Combustion Promoters
Materials
Kinetic Measurements
IR Spectroscopy: Adsorption of NO, O2 and CO on MgO-Al2O3-MCM-36
Conclusions
References
Bis(Mu-OXO)Dicopper as Intermediate in the Catalytic Decomposition of No over Cu-ZSM-5
Abstract
Introduction
Experimental Section
Materials
Catalytic Testing
In situ UV-vis-NIR and EPR Spectroscopies
XAFS Data Collection and Analysis
Operando UV-vis Spectroscopy
Results and Discussion
Identification of Isolated Cu(II) Coordination Structures, based on a DFT/ab Initio Assignment of the EPR Spectra
Identification of the bis(Mu-Oxo)Dicopper Core in O2-Activated Cu-ZSM-5
Bis(Mu-Oxo)Dicopper as Key Intermediate in the Catalytic Decomposition of NO
Concluding Remarks
Acknowledgements
References
Design of Metal Loaded Zeolites as Dual Functional Adsorbent/Catalyst System for VOC Control
Abstract
Introduction
Experimental
Materials
Adsorption and Desorption
Catalytic Activity Test
Characterization
Results and Discussion
Adsorption and Desorption - the Screening of Adsorbent
Catalytic Oxidation - the Screening of Primary Component
Characterization of Ag/HY Catalyst
Conclusions
Acknowledgments
References
Selective Catalytic Reduction of NO in Oxidizing Atmosphere with n-C10H22 over Cu-M-ZSM-5 (M: La, Ce, Sm) Catalysts Prepared by Solid Ion Exchange
Abstract
Introduction
Experimental
Result and Discussion
Conclusion
References
Cu-, Co-, Cu/Ca- and Co/Ca-Exchanged ZSM-5 Zeolites: Activity in the Reduction of NO with Methane or Propane
Abstract
Introduction
Experimental
Catalysts Preparation
Catalysts Characterisation
Catalytic Tests
Results and Discussion
Catalysts Characterisation
Reduction of NO to N2
Conclusions
Acknowledgements
References
Fe-ZSM-5 Catalysts for the Selective Reduction of NO: Influence of Preparation Route on Structure and Catalytic Activity
Abstract
Introduction
Experimental
Results
Discussion
Conclusions
Acknowledgements
References
Iron Exchanged ZSM-5 Zeolites as Catalysts for the Reduction of NO with ISO-Butane
Abstract
Introduction
Experimental
Results and Discussions
Characterisation
Catalytic Activity
Conclusions
Acknowledgements
References
Selective Catalytic Reduction of NO by NH3, on Fe-ZSM-5 Elaborated from Different Methods
Abstract
Introduction
Experimental
Result and Discussion
Comparison of the Catalytic Performance in NO Reduction by NH3
XRD Analysis
Temperature Programmed Reduction with H2
Modification of the Preparation Procedures on the Denox Activity of Fe(250)-ZSM-5
Washing Step
Temperature Ramp
Dehydration Step
Oxidation of NO
Conclusion
References
The Reduction of NO by Hydrocarbons over Pd-Co/ZSM-5: The Components of the Catalyst and their Role in the Process
Abstract
Introduction
Experimental
Materials
Characterisation
Catalytic Study
Results
XRD
UV-VIS
Catalytic Studies
Conclusions
Acknowledgements
References
Selective Catalytic Reduction of N2O with CH4 and N2O Decomposition over Fe-Zeolite Catalysts
Abstract
Introduction
Experimental
Results and Discussion
Active Surface Species in the N2O+CH4 Reaction over Fe-BEA Catalyst
Reactivity of the Fe-OH Species in the N2O+CH4 Mixture
Determination of Reaction Rate of the Intermediate Oxidation with N2O or O2
Possible Reaction Mechanism in the Reaction between N2O and CH4
The Isotopic Study of N2O Decomposition over Fe-MFI Catalyst - Mechanism of O2 Formation
Conclusions
Acknowledgement
References
Stability of Zeolite Supported (Promoted-) Pd Catalysts in the Reduction of NOx in Gas Engines using Methane
Abstract
Introduction
Experimental
Results
Cerium Promoted Palladium-Mordenite
Discussion
Conclusion
References
Copper Oxide Modified NaY Zeolite: Efficient Catalysts for Degrading N-Nitrosopyrrolidine
Abstract
Introduction
Experimental
Results and Discussion
Conclusion
Acknowledgements
References
Hydrodechlorination of Carbon Tetrachloride on Pt-Containing Zeolites
Abstract
Introduction
Experimental
Materials
Methods
Results and Discussion
Characterization of the Catalysts
IR Spectroscopy
1H NMR Spectroscopy
Adsorption and Reaction of CCI4 on Zeolites in the Absence of Hydrogen
IR Spectroscopy of Adsorbed Products
13C NMR Spectroseopy
Reaction of CCI4 on Zeolites
IR Spectra of Adsorbed Phase
IR Spectra of the Gas Phase
Conclusions
Acknowledgement
References
Effect of Zeolites in AOPs for Dye Wastewater Treatment
Abstract
Introduction
Experimental Section
Results and Discussion
Conclusions
References
Environmental Remediation Uses of Honeycomb Monoliths based on Natural Clinoptilolite
Abstract
Introduction
Experimental
Results and Discussion
Chromium Adsorption
Microbicide Effect
Conclusions
Acknowledgements
References
Catalytic Activity of PtHY and PtAuHY in Oxidation Reactions
Abstract
Introduction
Experimental
Results and Discussion
Acknowledgements
References
Active and Spectator Iron Species in Fe/MFI Catalysts for Benzene Selective Hydroxylation with N2O
Abstract
Introduction
Experimental
Results and Discussion
References
Exploring the Catalytic Activity of Metal Nanoparticles in Functionalized Mesoporous Silica
Abstract
Introduction
Experimental Section
Sample Preparation
Characterization and Catalytic Testing
Results and Discussion
Au/SBA-15 for CO Oxidation
Structural Characterization
Catalytic Test for CO Oxidation
Pd/SBA-15 and Pd-Au/SBA-15 for Solution Phase Catalytic Reactions
Conclusion
References
MWW-Type Titanosilicate: Novel Preparation and High Efficiency in the Epoxidation of Various Alkenes
Abstract
Introduction
Experimental Section
Preparation of Titanosilicates
Characterization Methods
Catalytic Reactions
Results and Discussion
Postsynthesis of Ti-MWW and its Catalytic Properties in Alkene Epoxidation
Delamination of Ti-MWW and its Catalytic Properties in Epoxidation of Bulky Alkenes
Conclusions
References
Quick Synthesis of Nano-Scale TS-1 and its Catalytic Properties
Abstract
Introduction
Experimental
Synthesis of TS-1
Characterization of TS-1
Catalytic Test
Results and Discussion
Characterization of TS-1
Effect of Crystallization Time
Effect of Crystallization Temperature
Effect of Alcohol Removal Temperature
Effect of SiO2/TiO2
Synthesis of Nanoscale TS-1 in the Presence of Surfactant
Long Run Test
Conclusion
Acknowledgements
References
Phenol Hydroxylation of over Aluminium-Free Titanium-Beta Using Water as a Solvent
Abstract
Introduction
Experimental Procedures
Kinetic Modelling
Results and Discussion
Conclusions
Acknowledgements
References
Micro- and Bimodal Micro-Mesoporous Manganophosphates with Various Morphology and Oxidative Activity
Abstract
Introduction
Experimental
Mnapos Materials
Microporous MSAP Materials
Hierarchical Micro- Mesoporous Manganophosphates (MMSAP2 and MMSAP3)
Results and Discussion
Mnapos and Mnsapos Materials
Hierarchical Micro- Mesoporous Manganophosphates
Conclusions
References
The Use of Niobium Containing Mesoporous Molecular Sieves in the Liquid Phase Oxidation
Abstract
Introduction
Experimental
Oxidation of Methyl-Phenyl Sulphide with Hydrogen Peroxide
Hydroxylation of Phenol
Characterization Techniques
Results and Discussion
Texture and Structure Characterisation
Liquid-Phase Oxidation
Conclusions
Acknowledgement
References
Modified TS-1 for Shape Selective Phenol Hydroxylation to Hydroquinone
Abstract
Introduction
Experimental
Synthesis
Characterization of Samples
Catalytic Hydroxylation of Phenol
Results and Discussion
Physical-Chemical Properties of TS-1 and Modified TS-1
Catalytic Activity in the Hydroxylation of Phenol
Mechanistic Implications
Conclusions
References
Synthesis and Characterization of Sn-Beta as a Selective Oxidation Catalyst
Abstract
Introduction
Experimental
Synthesis of Sn-Beta via Primary Synthesis
Catalytic Tests
Baeyer Villiger Oxidation of 2-Adamantanone
Baeyer Villiger Oxidation of Cyclohexanone
Characterization
Results and Discussion
Conclusions
Acknowledgements
References
Propylene Epoxidation over Ag/Ts-1 Catalysts
Abstract
Introduction
Experimental
Catalyst Preparation
Catalyst Characterization
Catalytic Test
Results and Discussion
Effect of Ag Loading
Effect of Support
Effect of Si/Ti Mol Ratio of TS-1
Effect of Calcination Temperature of Ag/TS-1
Catalyst Deactivation
Conclusions
References
Oxidation of Cyclohexane and Cyclohexene on Sol-Gel Prepared Birnessites
Abstract
Introduction
Experimental Section
Results
Catalyst Characterization
Catalytic Activity
Liquid-Phase Oxidation of Cyclohexene with H2O2
Liquid-Phase Oxidation of Cyclohexane with H2O2
Oxidation of Cyclohexene with Air
Oxidation of Cyclohexane with Air
Catalysts Recycling
Discussion
Conclusions
Acknowledgments
References
Epoxidation of Cyclohexene on Silicalite Embedded BiOx Clusters
Abstract
Introduction
Experimental Section
Results
Catalysts Characterization
Catalytic Activity
Discussion
Conclusions
References
Effect of the Preparative Variables on the Acidity and Reactivity of Co-ZSM-5 Catalysts in Ethylene Ammoxidation
Abstract
Introduction
Experimental
Catalyst Preparation
Aqueous Ion Exchange Method (Co-ZAE Catalyst)
Solid-State Ion Exchange Method (Co-ZSE Catalyst)
Impregnation Method (Co-ZI Catalysts)
Methods
Results and Discussion
Catalyst Characterisation
Elemental Analysis
Nitrogen Physisorption
X-Ray Diffraction
Temperature Programmed Desorption of NH3 (NH3 TPD)
n-Hexane Isomerisation
Catalytic Activity
Conclusions
References
Intrinsic Kinetic Modeling of Cyclohexanone Ammoximation over Titanium Silicate Molecular Sieves
Abstract
Introduction
Experimental
Materials
Apparatus and Procedures
Experimental Conditions
Reaction Framework Analysis
Results and Discussion
Effect of Internal Diffusion Resistance
Effect of External Mass Transfer Resistance
Initial Rate Determination
Kinetic Models
Evaluation of Kinetic Parameters
Conclusion
Acknowledgement
References
Influence of the Cobalt Salt Precursor on the Catalytic Properties of H-ZSM-5 Modified with Cobalt by Solid-State Ion Exchange
Abstract
Introduction
Experimental
Catalysts Preparation
Catalyst Characterization
Catalytic Reaction
Results and Discussion
X-Ray Diffraction
BET Surface Area and Porosity
TPR Analysis
Infrared Spectroscopy
TPD of Ammonia
UV-Vis Spectroscopy
FTIR Spectra of Adsorbed Pyridine
Catalysis
Conclusion
References
Metal-Containing Molecular Sieves as Catalysts for the Selective Oxidation of Cyclohexane by Oxygen
Abstract
Introduction
Experimentla
Synthesis
Characterization
Catalytic Reaction
Results and Discussion
Characterization
XRD Studies
Thermal Analysis
TPD of Ammonia
Temperature Programmed Reduction
Cyclohexane Oxidation
Conclusion
References
Dealuminated MFI Materials as Catalysts for the Direct Hydroxylation of Benzene with Nitrous Oxide: Influence of Acid-Base and Textural Properties
Abstract
Introduction
Experimental
Catalysts Preparation
Characterization
Catalytic Tests
Results
Characterization
Catalytic Performance
Conclusions
References
Hydrogenation of Prostaglandin Unsaturated Ketones over Ru-Containing *Bea Zeolites
Abstract
Introduction
Experimental
Results
Catalyst Characterization
Catalytic Behaviour
Discussion
Conclusions
Acknowledgements
References
Synthesis of Polycarbonate Monomers by CO2 Insertion in Epoxides over Zeolite-Based Catalysts
Abstract
Introduction
Experimental
Materials Preparation
Zeolite Y-Encapsulated MPc Complexes
Silica-Supported MPc Complexes
Titanosilicate (TS-1 and TiMCM-41) Molecular Sieves
Reaction Procedure
Cycloaddition of CO2 to Epoxides
Synthesis of Cyclic Carbonates from Olefins
Transesterification of Cyclic Carbonates with Methanol and Phenol
Characterization Methods
Results and Discussion
Synthesis of Cyclic Carbonates over MPc-Y Complexes
Synthesis of Cyclic Carbonates over Ion Exchanged Zeolite-Y
Synthesis of Cyclic Carbonates over Titanosilicates
Synthesis of Cyclic Carbonates from Olefins
Transesterification of Cyclic Carbonates with Molecular Sieves
Conclusions
References
Transformation Pathways of 2,2-Dimethyloxirane on Aluminosilicates: The Effects of Catalyst Structure and Reaction Conditions
Abstract
Introduction
Experimental
Materials
Characterisation
The Reaction and the Analytical Method
Results
Discussion
Conclusions
Acknowledgements
References
Acylation of Toluene with Isobutyryl Chloride
Absract
Introducion
Experimental
Results and Discussion
The Effect of Zeolite Structure
The Effect of Acid Site Concentration
The Role of Acylating Agent
Conclusions
Acknowledgement
References
Adsorption Studies of Acylation Reagents and Products on Zeolite Beta Catalysts
Abstract
Introduction
Experimental
Results
Adsorption of Acetic Anhydride
Adsorption of Acetic Acid
Adsorption of p-Methoxyacetophenone (p-MAP)
Discussion
Acknowledgements
References
Rearrangement of Allyl Aryl Ethers over Zeolites
Abstract
Introduction
Experimental
Materials
Characterization
Reactions
Kinetic Analysis
Results and Discussion
Physico-Chemical Characterization
Claisen Rearrangement
Influence of the Solvent
Influence of Temperature
Influence of the Zeolite
Comparison of the Reactivity of Different Substrates
Conclusions
References
Adsorption of Methanol on Zeolite: An Atomistic and Quantum Chemical Study
Abstract
Introduction
Methodology
Results and Discussion
Geometry Data
Adsorption Energies
Conclusions
Acknowledgements
References
Oxygen Reactivity and Formate Structure in X Zeolite
Abstract
Introduction
Experimental
Catalyst Preparation
Infrared Spectroscopy (i.r.) Studies
Temperature Programmed Desorption (t.p.d.) Studies
Results
Infrared Spectroscopy (i.r.) Studies
Gas Phase Analysis during t.p.d.
Discussion
Structure of Surface Formate in Na- and Cs-FAU(X) Zeolites
Decomposition Products of Formic Acid
Conclusion
References
Shape-Selective and Acid Catalyzed Alkylation of Phenol with Isobutylene over Zeolite Beta
Abstract
Introduction
Experimental
Results and Discussion
Effect of Reaction Parameters on Phenol Alkylation with Isobutylene over Zeolite Beta
Effect of Calcination Temperature on Surface Acidity and Catalytic Property of Zeolite Beta
Effect of Pyridine Poisoning on Surface Acidity and Catalytic Property of Zeolite Beta
Effect of Alumina as Bondant on Reactivity and Catalytic Stability of Zeolite Beta
Conclusion
Acknowledgement
References
Side-Chain Alkylation of Heterocyclic Compounds over Modified Zeolites
Abstract
Introduction
Experimental
Results and Discussion
Reaction of 2-Methylpyrazine with Formaldehyde
Reaction of 4-Picoline with Benzaldehyde
References
Selective Dibenzoylation of Biphenyl to 4,4'-Dibenzoylbiphenyl over H-Al-MCM-41
Abstract
Introduction
Experimental
Synthesis of H-Al-MCM-41
Characterisations
Catalysis
Results and Discussion
Characterisation of H-AI-MCM-41
Catalysis
Conclusion
Acknowledgement
References
Selective Synthesis of 2,5-Dimethyl-2,4-Hexadiene over Molecular Sieve Catalysts in a Liquid Phase Reaction
Abstract
Introduction
Experimental
Catalysts and Materials
Catalytic Runs
Product Analysis and Identification
Results and Discussion
Catalysts Selection and Solvent Effect in the Reaction System
Influence of IBA/TBOH Ratio
Effect of Catalyst Weight
Effect of Concentration of Reagents
Influence of Reaction Temperature
Effect of Reaction Time
Effect of Si/Al of HZSM-5 Catalysts
Effect of Catalyst Type
Conclusion
References
Synthesis of Heterocyclic Three-Fused Ring Compounds Using Molecular Sieve Catalysts
Abstract
Introduction
Experimental
Results and Discussion
Liquid Phase Reactions in an Autoclave
Vapour Phase Reactions Using Fixed Bed Reactor
References
Hydroamination Reactions Catalysed with Beta Zeolites
Abstract
Introduction
Experimental
Results and Discussion
Conclusions
Acknowledgements
References
Aliphatic C-Metallated Palladacycle in MCM-41 for Heck Reaction
Abstract
Introduction
Experimental
Catalyst Preparation
Physico Chemical Characterization
Catalytic Heck Alkenylation
Results and Discussions
Catalyst Characterization
Heck Alkenylation of Bromobenzene
Effect of Different Bases
Effect of Reaction Temperature and Time
Effect of Pd mol %
Effect of Catalyst Recycling
Conclusion
Acknowledgement
References
One Pot Synthesis of Phenyl Acetate and O-Hydroxyacetophenone Via Esterification and Fries Rearrangement over Zeolite Catalysts
Abstract
Introduction
Experimental
Preparation of Protonated Forms of Zeolites
Preparation of Hydrated AI2O3, SiO2, & ZrO2
Characterization of the Catalysts
Catalytic Activity Studies
Results and Discussion
Catalytic Activity Studies in Liquid Phase
Catalytic Activity Studies in Vapour Phase
Conclusion
Acknowledgements
References
A New Approach Describing Solvent Effects on Zeolite Catalysed Fries Rearrangement of Phenyl Acetate
Abstract
Introduction
Experimental
Results and Discussion
Conclusion
References
Vapor Phase Beckmann Rearrangement of Cyclohexanone Oxime over Metal Loaded Nb-Ilerite
Abstract
Introduction
Experimental
Sample Preparation
Characterization
Catalytic Testing
Results and Discussion
Conclusions
Acknowledgements
References
Effect of Exchange Procedure and Crystal Size on High Silica MFI Zeolite as Catalyst for Vapor Phase Beckmann Rearrangement
Abstract
Introduction
Experimental
Catalyst Preparation
Results and Discussion
Catalyst Physical-Chemical Properties
Catalytic Activity
Conclusions
References
Acetylene Hydration on Different Cd-Zeolites
Abstract
Introduction
Experimental Section
Results and Discussion
Conclusion
Acknowledgements
References
Enantioselective Hydrogenation over Immobilised Transition Metal Complex Catalysts
Abstract
Introduction
Experimental
Results and Discussions
Conclusions
Acknowledgment
References
The Generation of Shape Selective Intercalated Kenyaites
Abstract
Introduction
Experimental
Gel Formation
Results and Discussion
Catalytic Test and Results
Dodecane Cracking
m-Xylene Isomerization
Propylene/Menzene Alkylation
Hydrothermal Stability
Conclusion
References
Gas-Oil Cracking Activity and Product Selectivity of the Hydrothermally-Stable Mesoporous Aluminosilicates (MSU-S) Assembled from Zeolite Seeds
Abstract
Introduction
Experimental Section
Preparation of Catalytic Materials
Materials Characterization and Catalytic Testing
Results and Discussion
Compositional, Structural and Acidic Characteristics of the Samples
Catalytic Data - Cracking of Gas-Oil
Catalytic Testing of Steamed MSU-S Materials in Gas-Oil Cracking - Comparison with H-Y Zeolite and Amorphous Silica-Alumina (ASA) Catalysts
Catalytic Testing of Steamed MSU-S Materials in Gas-Oil Cracking as FCC Catalyst Additives - Comparison with ZSM-5 Zeolite
Conclusions
References
Characterization and Catalytic Evaluation of Zeolite MCM-68
Abstract
Introduction
Experimental Section
Synthesis
Characterization
n-Alkane Isomerization
Results and Discussion
Characterization
Disproportionation of Ethylbenzene
n-Alkane Isomerization
Conclusions
Acknowledgements
References
Micro-Mesoporous MCM-48 Synthesised with Metal-Substituted Zeolite Seeds
Abstract
Introduction
Experimental
Results and Discussion
Conclusion
References
Photocatalytic Decomposition of Nitric Oxide on Tio2.Modified MCM-41 Catalysts
Abstract
Introduction
Experimental
Synthesis of Ti-Containing MCM-41
Characterization of the Synthesized Catalysts
In-Situ EPR Measurements
Results and Discussion
Conclusions
Acknowledgements
References
Immobilization and Photo Catalytic Properties of Phthalocyanines Anchored to the Surface of Si-MCM-41 and SBA-15
Abstract
Introduction
Experimental Section
Results and Discussion
Anchorage of Phthalocyanines on the Inner Walls of Si-MCM-41 and SBA-15
Photooxidation of Sulfide Containing Aqueous Solutions with Zntsp Anchored on Si-MCM-41 and SBA-15
Conclusions
Acknowledgement
References
Characterization of MCM-48 Pellet and Corresponding Catalytic Activity for Friedel-Crafts Alkylation
Abstract
Introduction
Experimental
Results and Discussion
Conclusion
Acknowledgement
References
Isomerization of Pent-1-Ene on Novel Porous Solid Superbase K+/ZrO2
Abstract
Introduction
Experimental
Result and Discussion
Interaction of Potassium Nitrate with ZrO2
Isomerization of Pent-1-Ene and Base Strength Distribution on KNZ Samples
Conclusion
Acknowledgments
References
Activity Enhancement of Mesoporous Aluminosilicates Synthesized from ZSM-5 Precursors
Abstract
Introduction
Experimental
Results and Discussion
Conclusions
Acknowledgements
References
H3PW12O40-Supported MCM-41 Acid Catalyst for the Gas-Phase Synthesis of MTBE
Abstract
Introduction
Experimental
Synthesis
Characterizations
Catalytic Tests
Results and Discussion
Structure of Catalysts
Acidity and Catalytic Activity of Catalysts
Conclusions
References
Different Modes of Pore Blockage by Coke Deposit over Mo/(Al-)MCM-41 and Mo/(Al-)MCM-48 Catalysts for Hydrodesulfurization
Abstract
Introduction
Experimental
Preparation of Catalysts
Thiophene Hydrodesulfurization
Accelerated Precoking of Prepared Catalysts
Characterization
Results and Discussion
Conclusion
Acknowledgement
References
Hydrodesulfurization of Dibenzothiophene over Proton-Exchanged Siliceous MCM-41 Supported Bimetallic Sulfides
Abstract
Introduction
Experimental
Materials
Catalysts
Measurement of HDS Activity
Results and Discussion
TPR Profiles
Hydrodesulfurization of DBT
Conclusions
Acknowledgements
References
Catalytic Behavior of Niobium-Containing SBA-15 Molecular Sieves in the Oxidation of Cyclohexene
Abstract
Introduction
Experimental
Synthesis
Characterization
Catalytic Activity
Results and Discussion
Characterization
Catalytic Activity
The Influence of the Pore Size
The Influence of the Niobium Source
The Influence of the Niobium Content
The Influence of the Maturation Temperature
The Comparison with NbMCM-41
Conclusions
Acknowledgements
References
Cyclooctene Epoxidation Using Nb-MCM-41 Synthesized at Room Temperature
Abstract
Introduction
Experimental
Nb-MCM-41 Synthesis
Cis-Cyclooctene Epoxidation
Results and Discussion
Synthesis
X-Ray Diffraction (XRD)
Diffuse Reflectance in the UV-Vis Region
Infrared Spectrometry
Cis-Cyclooctene Epoxidation
Conclusions
Acknowledgements
References
New Efficient Catalysts Ti-SBA15 and Ti-ALSBA15 for Green Chemistry Application to Selective Oxidation of Alkenes
Abstract
Introduction
Catalysts Preparation
Catalyst Characterisations
X Rays Diffraction
Porosimetry
Catalysts Reactivity
Mono-Functional Ti(t)SBA15 Catalysts
Bi-Functional Ti(16)AlSBA15 Catalysts
Oxidation of Intermediate Products
Cyclohexene Oxidation
Conclusion
References
Effects of Cu on the Catalytic Wet Peroxide Oxidation of Reactive Dye Solutions with Al-Cu Pillared Clays
Abstract
Introduction
Experimental
Materials
Catalyst Preparation
Reaction Procedures and Analysis
Results and Discussion
Characterization of the Catalysts
Catalytic Wet Peroxide Oxidation of Reactive Eyes
Catalytic Wet Peroxide Oxidation of a Real Dyehouse Effluent
Stability of the Catalyst
Conclusions
Acknowledgement
References
Highly Active Phosphazenium Chloride Catalyst Immobilized on SBA-15 Mesoporous Material in the Chlorination of Alcohols with Phosgene
Abstract
Introduction
Experimental
Preparation of SBA-15 Mesoporous Material (4)
Preparation of Phosphonium Chloride (2)
Preparation of Immobilized Phosphazenium Chloride Catalyst (6)
Chlorination of Alcohols with Phosgene
Results and Discussion
Acknowledgement
References
Selective Catalytic Reduction of no with Ammonia on Titania Pillared Clays
Abstract
Introduction
Experimental
Starting Materials
Synthesis of the TiO2-PILCs
Characterization
SCR Reaction
Results and Discussion
Characterization of the TiO2-PILCs
Acidity Analysis of the TiO2-PILCs and Iron-Doped TiO2-PILCs
SCR Reaction on the Iron-Doped TiO2 - PILCs
Conclusion
Acknowledgement
References
Selective Adsorbents from Chemically Modified Ordered Mesoporous Silica
Abstract
Introduction
Experiments
Results and Discussion
Dye Adsorption
Metal Adsorption
Concluding Remarks
Acknowledgement
References
Adsorption of Cytochrome C on MCM-41 and SBA-15: Influence of pH
Abstract
Introduction
Experimental Section
Results and Discussion
Characterization
Influence of pH on Cytochrome C Adsorption
Influence of Aluminum
Conclusions
Acknowledgements
References
Adsorption of Carbon Dioxide on Modified Mesoporous Materials in the Presence of Water Vapor
Abstract
Introduction
Experimental
Preparation of Adsorbents
Characterization of Adsorbents
CO2 Adsorption-Desorption Experiment
Infrared Spectroscopy
Results and Discussion
Characterization of the Adsorbents
Adsorption-Desorption Properties
Adsorption State of CO2 on APS/SBA
Conclusion
Acknowledgment
References
Adsorption of SO2 on Different Metal Impregnated Zeolites
Abstract
Introduction
Experimental
Materials
Characterization
Kinetics of the SOx Storage Process
Results and Discussion
Conclusions
Acknowledgements
References
Accessibility to Gases of Dye Molecules in Hybrid Surfactant-Silica Mesophases
Abstract
Introduction
Experimental
CR-Containing SBA-3
DRl-Containing Mesostructured Film
Results and Discussion
Powder Form
Film Form
Conclusions
References
Anion-Exchange Properties of Metal Cation-Mediated Bridged Organic-Inorganic Hybrid Mesostructured Materials
Abstract
Introduction
Experimental
Preparation of MBH and MBH-S
Anion Exchanges
Characterization
Results and Discussion
Synthesis and Anion Exchanges of MBH
Synthesis and Anion Exchanges of MBH-S
References
Spontaneous Dispersion of Salts and Oxides onto Surfaces of Zeolites and its Applications
Abstract
Introduction
Dispersion of Compounds with Relative Low Melting Points onto Surface of Zeolites
Dispersion of Compounds with High Melting Points onto Surface of Zeolites
Interaction between Dispersed Compounds and Surface of Zeolites
Changes in Structure and Spectra of Dispersed Compounds onto Zeolites
Applications
Acknowledgment
References
Novel Microporous Luminescenteuropium (III) Silicate
Abstract
Introduction
Experimental Section
Syntheses
Measurements
Single-Crystal X-Ray Diffraction
Powder X-Ray Diffraction
Photoluminescence Spectroscopy
Results and Discussion
Structural Description
Luminescence Spectroscopy
Acknowledgements
References
Mesoporous Silica: Polymer Composite Membrane for Direct Methanol Fuel Cell
Abstract
Introduction
Experimental
Membrane Preparation
Characterizations
Immobilization of Heteropolyacid in the Hybrid Membrane
Methanol Crossover Measurement
Direct Methanol Fuel Cell Operation
Results and Discussions
Conclusion
Acknowledgements
References
Solid State Reactions between Sodium Azide and Zeolites
Abstract
Introduction
Experimental Section
Results and Discussion
Conclusion
Acknowledgements
References
Characterization Of ZZ A Zn2+ Clinoptilolite
Abstract
Introduction
Experimental
Results and Discussion
Ion Exchange Properties
Microbicide Effect
Toxicological Study
Clinical Studies
Drinking Water
Conclusions
Acknowledgements
References
The Effect of Different Precursors on the Synthesis of Ultramarine Blue Using a Modified Test Furnace
Abstract
Introduction
Experimental
Results and Discussion
Reproducibility Study
Ultramarine Blue Synthesis with Different Precursors and washing
Colour Properties
Structural Properties
Conclusion
References
Exfoliation of Layered Titanate Csx Ti(2_X/4) x/4O4 into Colloidal Nanosheets by a More Competitive Chemical Process
Abstract
Introduction
Experimental Section
Reagents and Materials
Preparation Processes of Colloidal Nanosheets
Characterization
Results and Discussion
Preparation Process of Colloidal Nanosheets
Structural Model of the Intercalation Compounds
Optical Properties of the Result Colloidal Nanosheets
Conclusion
Acknowledgement
References
Syntheses of Novel Zinc Organic Complexes [Zn(C22H12N6)2](C3H9N)(NO3)2.H2O and [Zn(CH3COO)2(C22H12N6)] (C3H9N) under Solvothermal Conditions
Abstract
Introduction
Experimental Section
Preparation of Compound [Zn(C22H12N6)2] (C3H9N)(NO3)2.H2O (Sample I)
Preparation of Compound [Zn(CH3COO)2(C22H12N6)](C3H9N) (Sample II)
Characterization
Results and Discussions
Elemental Analyses
XRD Analyses for Samples I and II
FT-IR Spectra of Samples I and II
Raman Spectra of Samples I and II
UV-Vis Spectra Analyses for Samples I and II
SEM Image Analyses for Samples I and II
TG-DSC and XRD Analyses for Samples I and II
Conclusions
Acknowledgement
References
Influence of Silica and Alumina Source Materials on the Physicochemical Characteristics of Crystalline Zeolite Beta
Abstract
Introduction
Experimental
Hydrothermal Syntheses
Physico-Chemical Characterization
Results and Discussion
Powder X-Ray Diffraction
Thermogravimetric and Differential Thermal Analysis
27Al and 29 Si MASNMR
Compositional and Textural Properties
Conclusion
Acknowledgements
References
Influence of Nature of Binder and Formulation on Catalytic Performance in Isopropylation of Benzene Reaction over H/Beta Zeolite Catalysts
Abstract
Introduction
Experimental
Materials
Parent Catalyst and Catalyst A
Catalysts B, C and D
Catalysts CP, CE and CSP
Methods
Results and Discussion
Characterization
Powder X-Ray Diffraction
Textural and Compositional Characteristics
Scanning Electron Microscopy
27Al MASNMR
Catalytic Performance in Benzene Isopropylation
Conclusions
Acknowledgements
References
Intercalation of [Pt(NH3)4)2+ Ions into the Layered Sodium Silicate, Na-Magadiite
Summary
Introduction
Experimental
Results and Discussion
Conclusion
Reference
Elucidating the Dealumination Mechanism of Zeolite H-Y by Solid-State NMR Spectroscopy
Abstract
Introduction
Experimental Part
Results and Discussion
Investigation of the Framework of Hydrothermally Treated Zeolites H-Y
Hydroxyl Coverage of Hydrothermally Treated Zeolites H-Y
Discussion of the Coordination Change of Aluminum Atoms in the Framework of Zeolites H-Y
Conclusions
Acknowledgements
References
Authors Index

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