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Monitoring and Visualization of Crystallization Processes Using Electrical Resistance Tomography: CaCO3 and Sucrose
Guruprasad Rao1, Soheil Aghajanian2, Yuchong Zhang3
1Institute of Applied Computer Sciences, Lodz University of Technology, 90-924 Lodz, Poland.
Sensors (Basel, Switzerland)
|June 24, 2022
Summary
This study introduces ERT-Vis, a MATLAB application for visualizing crystallization processes using electrical resistance tomography (ERT). The software effectively monitors solid concentration in both high and low conductivity solutions, aiding process analysis.
Area of Science:
- Chemical Engineering
- Process Monitoring and Control
- Data Visualization
Background:
- Crystallization processes are crucial in chemical manufacturing but challenging to monitor in real-time.
- Traditional monitoring methods often lack the spatial resolution or interactivity needed for complex crystallization dynamics.
- Electrical Resistance Tomography (ERT) offers a non-invasive approach for imaging internal process variables.
Purpose of the Study:
- To develop and present a novel, interactive software tool for visualizing and analyzing crystallization processes using ERT.
- To demonstrate the software's capability in handling diverse crystallization systems with varying solution conductivities.
- To evaluate the software's performance and utility through expert feedback.
Main Methods:
- Development of a MATLAB-based Graphical User Interface (GUI) named "ERT-Vis".
- Application of ERT for monitoring two distinct crystallization methods: reactive precipitation of calcium carbonate (high conductivity) and cooling crystallization of sucrose (low conductivity).
- Utilizing visual analytics tools within ERT-Vis for detecting and separating solid concentration distributions.
Main Results:
- ERT-Vis successfully provided key insights into both high and low conductivity crystallization systems.
- The software accurately detected and separated solid concentration distributions, enabling visualization of process dynamics.
- Instantaneous image reconstruction and interactive visualization were highlighted as key benefits.
Conclusions:
- The ERT-Vis software is a valuable tool for real-time monitoring and visualization of crystallization processes.
- Its ability to handle varied conductivity solutions and provide interactive analysis enhances process understanding and control.
- Domain expert feedback confirms the software's utility in evaluating crystallization monitoring data.
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