Differences among the deactivation pathway of HZSM-5 zeolite and SAPO-34 in the transformation of ethylene or 1-butene to propylene

Keyphrases

• 1-butene 100%
• 13C NMR 25%
• Acid Site Density 25%
• Acid Sites 25%
• Acid Strength 25%
• Alkylation 50%
• Aromatics 75%
• Catalyst Shape 25%
• Coke Deactivation 25%
• Coke Formation 50%
• Condensation 25%
• Cracking Mechanism 25%
• Ethylene 100%
• High Capability 25%
• High Connectivity 25%
• Medium Composition 25%
• Micropore 25%
• Microporous Structure 25%
• Oligomerization 25%
• Oligomerization-cracking 25%
• Physical Properties 25%
• Porous Structure 25%
• Process Conditions 25%
• Propylene 100%
• Reaction Medium 25%
• SAPO-34 100%
• SAPO-34 Catalyst 25%
• Shape Selectivity 25%
• Spectroscopic Methods 25%
• Spent Catalyst 25%
• ZSM-5 25%
• ZSM-5 Zeolite 100%

Chemistry

• 13C NMR Spectroscopy 25%
• Acid Catalyst 25%
• Butene 100%
• Condensation 25%
• Ethylene 100%
• Fourier Transform Infrared Spectroscopy 50%
• Micro Porosity 25%
• Oligomerization 50%
• Phase Composition 25%
• Porosity 25%
• Propene 100%
• Spectroscopy 25%
• Strength 25%
• Structure 100%

Chemical Engineering

• Butene 100%
• Ethylene 100%
• Oligomerization 50%
• Propylene 100%