研究目的
To explore the feasibility of combining the outstanding properties of Teflon AF, regarding light transmission and gas permeation, to realize a liquid core waveguide membrane (LCWM) microreactor for in situ sensing and/or photo activation of gas-liquid reactions.
研究成果
The LCWM microreactor based on Teflon AF tubes allows for high-resolution measurements of gas-liquid systems with low optical losses and precise control over reaction parameters. It is suitable for applications involving in situ sensing, photo activation, and gas-liquid reactions.
研究不足
The presence of gas bubbles can impede light transmission, limiting the operational regime. The study also notes the need for further research on the complex interplay of reactions during MB decolorization experiments.
1：Experimental Design and Method Selection:
The study employed a liquid-filled Teflon AF tube as the core component of the LCWM microreactor, combining light transmission within the liquid core and gas permeation through the wall.
2：Sample Selection and Data Sources:
Bi-distilled water and various test solutions were used to measure optical losses and absorption.
3：List of Experimental Equipment and Materials:
Teflon AF tube, HPLC pump, light source, spectrometer, back-pressure regulator, and pressure gauge were used.
4：Experimental Procedures and Operational Workflow:
Optical losses were measured using cut-back experiments, and gas-liquid mass transfer was studied under different pressures and flow rates.
5：Data Analysis Methods:
Optical losses and absorption coefficients were calculated, and residence time distribution was analyzed using the axial dispersion model and the tanks-in-series model.
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