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The sections in this article are History of the Process and Overview of Related Technologies The B ayer Process Early Developments: The Liquid Phase Route to Vinyl Acetate The B ayer Process: Process and Catalyst A Description of the B ayer Process B Description of the Catalyst Employed in the B ayer Process Steps Towards Process Intensification: The BP Processes A Schematic Overview of the Fluid‐Bed BP Process to Vinyl Acetate The Catalyst System Used in the Fluid‐Bed BP Process to Vinyl Acetate One Step Further: Vinyl Acetate from Ethylene or Ethane in an Integrated Process Scheme A Structural Insight into the Catalyst System Palladium Catalysts Palladium–Gold Catalysts Palladium Catalysts in Related Acetoxylation Reactions A Mechanistic Insight into the Gas‐Phase Acetoxylation of Ethylene Acetoxylation of Ethylene in Supported Liquid Phase Rate Laws for the Acetoxylation of Ethylene Reaction Mechanisms for the Acetoxylation of Ethylene in the Gas Phase Beyond Ethylene Acetoxylation: Reaction Mechanisms for the Acetoxylation of Related Substrates Mechanisms Effective in the Homogeneous Liquid‐Phase Acetoxylation of Ethylene Conclusions and Outlook Acknowledgments
The sections in this article are History of the Process and Overview of Related Technologies The B ayer Process Early Developments: The Liquid Phase Route to Vinyl Acetate The B ayer Process: Process and Catalyst A Description of the B ayer Process B Description of the Catalyst Employed in the B ayer Process Steps Towards Process Intensification: The BP Processes A Schematic Overview of the Fluid‐Bed BP Process to Vinyl Acetate The Catalyst System Used in the Fluid‐Bed BP Process to Vinyl Acetate One Step Further: Vinyl Acetate from Ethylene or Ethane in an Integrated Process Scheme A Structural Insight into the Catalyst System Palladium Catalysts Palladium–Gold Catalysts Palladium Catalysts in Related Acetoxylation Reactions A Mechanistic Insight into the Gas‐Phase Acetoxylation of Ethylene Acetoxylation of Ethylene in Supported Liquid Phase Rate Laws for the Acetoxylation of Ethylene Reaction Mechanisms for the Acetoxylation of Ethylene in the Gas Phase Beyond Ethylene Acetoxylation: Reaction Mechanisms for the Acetoxylation of Related Substrates Mechanisms Effective in the Homogeneous Liquid‐Phase Acetoxylation of Ethylene Conclusions and Outlook Acknowledgments
The catalytic activity of a PdSb/TiO 2 catalyst for the acetoxylation of toluene to produce benzyl acetate was investigated. The reaction was carried out in a fixed bed Hastelloy Ò C reactor. The effects of various reaction parameters such as reaction, temperature, space velocity, acetic acid, toluene (Tol), and oxygen concentration in the feed mixture on the catalytic performance were examined and optimized. Interestingly, this catalyst sample displayed reasonably good performance (X-Tol = 54% and S-BA = 91%) with significant decrease in induction period and improved long-term stability compared to previously used catalysts. In addition, regeneration of the catalyst was also carried out at different temperatures in the range from 250 to 400°C in air. Effective regeneration of the catalyst was achieved at 300°C; temperatures higher than 300°C revealed to be not suitable. Furthermore, the duration of regeneration has also been optimized. Doing this, suitable regeneration procedure was established for effective restoration of activity that is lost during the process of deactivation.
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