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Continuous Flow Chemistry: Reaction of Diphenyldiazomethane with p-Nitrobenzoic Acid
Published on: November 15, 2017
Chemical engineering and environmental challenges. Cyclic adsorption/reaction technologies: Materials and process
1Associate Laboratory LSRE-LCM, Department of Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias s/n, 4200-465 Porto, Portugal.
This research highlights the critical role of adsorption technologies in addressing environmental challenges. It emphasizes integrated material and process design for efficient cyclic adsorption/reaction processes, including carbon capture and lignin valorization.
Area of Science:
- Chemical Engineering
- Environmental Science
- Materials Science
Background:
- Chemical processes have long been linked to environmental, energy, and economic factors.
- Modern Chemical Engineering (ChE) integrates Molecular, Materials, Process, and Product Engineering (M2P2E).
Purpose of the Study:
- To establish a research framework centered on Cyclic Adsorption/Reaction Processes for environmental problem-solving.
- To underscore the importance of accurate diffusion models for intraparticle mass transfer in adsorption.
- To advocate for adsorbent metrics that are intrinsically linked to their specific process applications.
Main Methods:
- Focus on adsorption technologies and cyclic adsorption/reaction processes.
- Utilizing advanced diffusion models over simplified kinetic models for mass transfer analysis.
- Developing integrated processes for challenging applications like carbon capture and dilute aqueous solution processing.
Main Results:
- Demonstrated the application of adsorption technologies in Carbon Capture and Utilization (CCU) using Pressure Swing Adsorption (PSA) and Electric Swing Adsorption (ESA).
- Showcased the processing of diluted aqueous solutions using Simulated Moving Bed (SMB) coupled with Expanded Bed Adsorption (EBA).
- Presented an integrated process for lignin valorization, producing high-value compounds like vanillin and syringaldehyde.
Conclusions:
- Adsorption technologies are pivotal for solving environmental issues and enabling sustainable chemical processes.
- Integrated material and process design is essential for optimizing adsorbent performance.
- Adsorption offers versatile solutions for carbon capture, CO2 utilization, and resource valorization in biorefineries.
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