Outlet response curves were fitted with mathematical models using DTS pro and Highest in Tank 2 followed by Tank 3, and Tank 4 gave the poorest mixing. The extent of material mixing in the vessels was inferred from the variancesĪnd the fluid dynamics was obtained by modeling. Residence Time (MRT) and the variance were calculated by the method of moments. Residence Time Distribution (RTD)Ĭurves for the outlet tracer concentration were generated from which the Mean Of the vessels and the gamma signal was detected with thallium activated NaIĭetector placed at the outlet of the vessels. Introducing 8 mCi liquid technetium-99 m at the inlet stream Tank 1 has 1Īxial impeller, Tank 2 has 2 axial impellers, Tank 3 has 2 radial impellers and Four similar vessels in seriesĬircuit with different impeller configurations were investigated. Impellers were redesigned and reconstructed. The fluid dynamics of the water in the vessels since both the vessels and the Investigation were to assess: i) the effect of impeller type on mixing and ii) Which serves as simulator of industrial processes. Methodology was used to carry out investigation on a laboratory water flow rig Process units, troubleshooting and diagnosing anomalies including mixingĬonditions in continuous stirred tank reactors. The investigation of process performance, online monitoring of conditions of Radiotracer technology has been applied in industry for
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