Multiphase Microreactors Based on Liquid-Liquid and Gas-Liquid Dispersions Stabilized by Colloidal Catalytic...

Area of Science:

• Colloid and Surface Science
• Chemical Engineering
• Green Chemistry

Background:

• Pickering emulsions, foams, bubbles, and marbles are colloidal dispersions stabilized by solid particles.
• These systems offer unique platforms for developing sustainable multiphase microreactors.
• Traditional multiphase reactors face challenges in efficiency and environmental impact.

Purpose of the Study:

• To provide a systematic overview of recent advancements in particle-stabilized dispersions as microreactors.
• To highlight their application in engineering eco-efficient reactions, particularly with biobased reagents.
• To discuss strategies for stabilizing/destabilizing these systems for product recovery and catalyst recycling.

Main Methods:

• Review of recent scientific literature on Pickering dispersions in microreactor applications.
• Analysis of physicochemical parameters governing dispersion stability.
• Exploration of advanced concepts like cascade reactions and computational methods.

Main Results:

• Particle-stabilized dispersions enable novel liquid-liquid-solid and gas-liquid-solid microreactor designs.
• These systems demonstrate potential for enhanced sustainability in multiphase reactions.
• Progress has been made in controlling dispersion stability for practical applications.

Conclusions:

• Pickering dispersions represent a promising avenue for developing sustainable and eco-efficient microreactors.
• Further research into controlling stability and integrating advanced reaction schemes is crucial.
• These systems are key to reengineering multiphase reactors for a greener future.