An Ultrasound Tomography Method for Monitoring CO<sub>2</sub> Capture Process Involving Stirring and CaCO<sub>3</sub> Precipitation

In this work, an ultrasound computed tomography (USCT) system was employed to investigate the fast-kinetic reactive crystallization process of calcium carbonate. USCT measurements and reconstruction provided key insights into the bulk particle distribution inside the stirred tank reactor and could b...

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Autores principales: Panagiotis Koulountzios, Soheil Aghajanian, Tomasz Rymarczyk, Tuomas Koiranen, Manuchehr Soleimani
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Publicado: MDPI AG 2021
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spelling oai:doaj.org-article:a3ea05d39e0746adb94c5baa4d3413a82021-11-11T19:02:17ZAn Ultrasound Tomography Method for Monitoring CO<sub>2</sub> Capture Process Involving Stirring and CaCO<sub>3</sub> Precipitation10.3390/s212169951424-8220https://doaj.org/article/a3ea05d39e0746adb94c5baa4d3413a82021-10-01T00:00:00Zhttps://www.mdpi.com/1424-8220/21/21/6995https://doaj.org/toc/1424-8220In this work, an ultrasound computed tomography (USCT) system was employed to investigate the fast-kinetic reactive crystallization process of calcium carbonate. USCT measurements and reconstruction provided key insights into the bulk particle distribution inside the stirred tank reactor and could be used to estimate the settling rate and settling time of the particles. To establish the utility of the USCT system for dynamical crystallization processes, first, the experimental imaging tasks were carried out with the stirred solid beads, as well as the feeding and stirring of the CaCO<sub>3</sub> crystals. The feeding region, the mixing process, and the particles settling time could be detected from USCT data. Reactive crystallization experiments for CO<sub>2</sub> capture were then conducted. Moreover, there was further potential for quantitative characterization of the suspension density in this process. USCT-based reconstructions were investigated for several experimental scenarios and operating conditions. This study demonstrates a real-time monitoring and fault detection application of USCT for reactive crystallization processes. As a robust noninvasive and nonintrusive tool, real-time signal analysis and reconstruction can be beneficial in the development of monitoring and control systems with real-world applications for crystallization processes. A diverse range of experimental studies shown here demonstrate the versatility of the USCT system in process application, hoping to unlock the commercial and industrial utility of the USCT devices.Panagiotis KoulountziosSoheil AghajanianTomasz RymarczykTuomas KoiranenManuchehr SoleimaniMDPI AGarticleultrasound computed tomographytravel-time imagingtime-of-flight transmission imagingmixing processcrystallization processCO<sub>2</sub> capturing via crystallizationChemical technologyTP1-1185ENSensors, Vol 21, Iss 6995, p 6995 (2021)
institution DOAJ
collection DOAJ
language EN
topic ultrasound computed tomography
travel-time imaging
time-of-flight transmission imaging
mixing process
crystallization process
CO<sub>2</sub> capturing via crystallization
Chemical technology
TP1-1185
spellingShingle ultrasound computed tomography
travel-time imaging
time-of-flight transmission imaging
mixing process
crystallization process
CO<sub>2</sub> capturing via crystallization
Chemical technology
TP1-1185
Panagiotis Koulountzios
Soheil Aghajanian
Tomasz Rymarczyk
Tuomas Koiranen
Manuchehr Soleimani
An Ultrasound Tomography Method for Monitoring CO<sub>2</sub> Capture Process Involving Stirring and CaCO<sub>3</sub> Precipitation
description In this work, an ultrasound computed tomography (USCT) system was employed to investigate the fast-kinetic reactive crystallization process of calcium carbonate. USCT measurements and reconstruction provided key insights into the bulk particle distribution inside the stirred tank reactor and could be used to estimate the settling rate and settling time of the particles. To establish the utility of the USCT system for dynamical crystallization processes, first, the experimental imaging tasks were carried out with the stirred solid beads, as well as the feeding and stirring of the CaCO<sub>3</sub> crystals. The feeding region, the mixing process, and the particles settling time could be detected from USCT data. Reactive crystallization experiments for CO<sub>2</sub> capture were then conducted. Moreover, there was further potential for quantitative characterization of the suspension density in this process. USCT-based reconstructions were investigated for several experimental scenarios and operating conditions. This study demonstrates a real-time monitoring and fault detection application of USCT for reactive crystallization processes. As a robust noninvasive and nonintrusive tool, real-time signal analysis and reconstruction can be beneficial in the development of monitoring and control systems with real-world applications for crystallization processes. A diverse range of experimental studies shown here demonstrate the versatility of the USCT system in process application, hoping to unlock the commercial and industrial utility of the USCT devices.
format article
author Panagiotis Koulountzios
Soheil Aghajanian
Tomasz Rymarczyk
Tuomas Koiranen
Manuchehr Soleimani
author_facet Panagiotis Koulountzios
Soheil Aghajanian
Tomasz Rymarczyk
Tuomas Koiranen
Manuchehr Soleimani
author_sort Panagiotis Koulountzios
title An Ultrasound Tomography Method for Monitoring CO<sub>2</sub> Capture Process Involving Stirring and CaCO<sub>3</sub> Precipitation
title_short An Ultrasound Tomography Method for Monitoring CO<sub>2</sub> Capture Process Involving Stirring and CaCO<sub>3</sub> Precipitation
title_full An Ultrasound Tomography Method for Monitoring CO<sub>2</sub> Capture Process Involving Stirring and CaCO<sub>3</sub> Precipitation
title_fullStr An Ultrasound Tomography Method for Monitoring CO<sub>2</sub> Capture Process Involving Stirring and CaCO<sub>3</sub> Precipitation
title_full_unstemmed An Ultrasound Tomography Method for Monitoring CO<sub>2</sub> Capture Process Involving Stirring and CaCO<sub>3</sub> Precipitation
title_sort ultrasound tomography method for monitoring co<sub>2</sub> capture process involving stirring and caco<sub>3</sub> precipitation
publisher MDPI AG
publishDate 2021
url https://doaj.org/article/a3ea05d39e0746adb94c5baa4d3413a8
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