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System Development for On-line Monitoring using Raman Spectroscopy for CO<sub>2</sub> Absorption by MEA

M.H. Wathsala N. Jinadasa
Faculty of Technology, Natural Sciences and Maritime Sciences, University of South-eastern Norway, Kongsberg, Norway

K. Amila Chandra
Faculty of Technology, Natural Sciences and Maritime Sciences, University of South-eastern Norway, Kongsberg, Norway

Maths Halstensen
Faculty of Technology, Natural Sciences and Maritime Sciences, University of South-eastern Norway, Kongsberg, Norway

Ladda ner artikelhttp://dx.doi.org/10.3384/ecp18153328

Ingår i: Proceedings of The 59th Conference on Simulation and Modelling (SIMS 59), 26-28 September 2018, Oslo Metropolitan University, Norway

Linköping Electronic Conference Proceedings 153:47, s. 328-333

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Publicerad: 2018-11-19

ISBN: 978-91-7685-494-5

ISSN: 1650-3686 (tryckt), 1650-3740 (online)

Abstract

Among various kinds of technologies available, carbon dioxide (CO2) capture by monoethanolamine (MEA) is considered to be the most technically and scientifically matured technology which can be tested in industrial scale. When CO2 is absorbed by an MEA, a chemical reaction takes place which results to form different carbon and amine species in the system. In this work, Raman spectroscopy has been used to measure those concentrations in-situ. Since the instrument does not provide direct measurements, multivariate analysis has been used to develop models and predictions are made using these models for future measurements. This study presents the methodology of acquiring measurements by the Raman spectroscopy for MEA-CO2-H2O system, transferring the measurement data into Matlab/Labview, converting data into concentration values and presenting the results in a graphical user interface. This software based platform makes the Raman spectroscopy to be accessed as a real-time instrument in CO2 capture plants.

Nyckelord

CO2 absorption by MEA, real-time monitoring, Raman spectroscopy, chemometrics, Labview

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