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Determination of fast gas–liquid reaction kinetics in flow

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Abstract

We present a flow concept to measure fast gas–liquid reaction kinetics. A tube-in-tube reactor design with semipermeable Teflon AF-2400 tubes is adopted to achieve fast gas–liquid mass transfer without direct contact of gas and liquid. By performing a steady-state flux balance of both gas and liquid flowing into the reactor and developing a mathematical model based on the film theory, the reaction kinetic parameters can be determined with excellent precision with the use of only a single gas flow meter. Reactions of CO2 with alkanolamines and ozonolysis of organics serve as case studies to assess the ability of the technique to resolve reaction kinetics in situ. The proposed strategy presents a new opportunity for the study of fundamental aspects of gas–liquid reactions in a simple, safe, automated and high-throughput manner.

Graphical abstract: Determination of fast gas–liquid reaction kinetics in flow

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Publication details

The article was received on 02 Oct 2019, accepted on 08 Nov 2019 and first published on 08 Nov 2019


Article type: Paper
DOI: 10.1039/C9RE00390H
React. Chem. Eng., 2020, Advance Article
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    Determination of fast gas–liquid reaction kinetics in flow

    J. Zhang, A. R. Teixeira, H. Zhang and K. F. Jensen, React. Chem. Eng., 2020, Advance Article , DOI: 10.1039/C9RE00390H

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