Electrical Impedance Tomography measurement techniques have been applied to a variety of solid-liquid processes in the laboratory and on industrial plant. This paper reviews the advances in the measurement techniques to determine key process information in solid-liquid systems such as concentration mapping, mixture homogeneity, interface detection and suspension velocity. A number of applications to solid-liquid flow applications are presented. The use of the technology for improved design and operation is highlighted, as are the opportunities for on-line sensing for flow measurement, fault detection and process control. A recent development in high-speed electrical imaging has allowed velocity maps to be calculated for fast flowing suspensions (up to 10 ms−1). The methodology for determining mixture homogeneity in both pipeline flows and agitated tanks are summarized. Finally the application of a linear ERT electrode array to identify interfaces during the settling of solid-liquid mixtures is presented.
- Nuclear Engineering Division and Environmental Engineering Division
Measurement of Solid-Liquid Mixtures Using Electrical Tomography Measurement Techniques
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Bolton, G, & Stanley, S. "Measurement of Solid-Liquid Mixtures Using Electrical Tomography Measurement Techniques." Proceedings of the ASME 2009 12th International Conference on Environmental Remediation and Radioactive Waste Management. ASME 2009 12th International Conference on Environmental Remediation and Radioactive Waste Management, Volume 1. Liverpool, UK. October 11–15, 2009. pp. 215-220. ASME. https://doi.org/10.1115/ICEM2009-16088
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