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An automated colorimetric inline titration of CO2 concentrations in solvent flow streams using a Teflon AF-2400 tube-in-tube device

O'Brien, M

An automated colorimetric inline titration of CO2 concentrations in solvent flow streams using a Teflon AF-2400 tube-in-tube device Thumbnail


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Abstract

Abstract Using a number of open source software components (Python, SciPy, OpenCV, PySerial), together with an inexpensive webcam device, an automated inline colorimetric titration methodology was developed to measure CO2 concentration levels in organic flow streams emerging from a Teflon AF-2400 tube-in-tube device. A bisection search algorithm was used in combination with a curve-fitting approach to determine colorimetric titration endpoints. The results obtained are consistent with a simple ‘negative exponential’ model of permeation/dissolution.

Citation

O'Brien, M. (2017). An automated colorimetric inline titration of CO2 concentrations in solvent flow streams using a Teflon AF-2400 tube-in-tube device. Journal of Co2 Utilization, 21, 580 - 588. https://doi.org/10.1016/j.jcou.2017.08.020

Journal Article Type Article
Acceptance Date Aug 29, 2017
Online Publication Date Sep 15, 2017
Publication Date Oct 1, 2017
Publicly Available Date May 26, 2023
Journal Journal of CO2 Utilization
Print ISSN 2212-9820
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 21
Pages 580 - 588
DOI https://doi.org/10.1016/j.jcou.2017.08.020
Keywords CO2-utilization, Tube-in-tube, Teflon AF-2400, Gas–liquid, Flow-chemistry, Colorimetric titration, Open-source, Python, OpenCV, Computer-vision, Scipy, Webcam
Publisher URL http://doi.org/10.1016/j.jcou.2017.08.020

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