Residence time with solid-liquid sedimentation tank
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Guys, what factors are taken into account regarding the residence time of the liquid containing impurity particles exiting the reactor and entering the sedimentation tank? What other factors need to be considered in addition to the settling velocity and time? Solid particles with sizes of around 10–100 microns settle in water. Now that it has been determined that the residence time of the liquid in the tank meets the requirements for solid sedimentation, are there any other factors that need to be taken into consideration? Are there any similar examples for reference? (Sedimentation tanks, graywater tanks, etc.)
When designing the residence time for a solid-liquid sedimentation tank, in addition to considering the sedimentation velocity and time, the following factors also need to be taken into account: 1. The flow properties of the liquid, including viscosity and flow pattern. 2. Density, shape, and size distribution of solid particles. 3. Concentration and uniformity of the solid-liquid mixture. 4. Design of the sedimentation tank, such as size, shape, and internal structure. 5. Operating conditions, including the temperature of the liquid and the degree of turbulence in the tank. 6. Methods for treating and removing the solids after sedimentation. Relevant chemical engineering books or industrial application examples, such as sedimentation tanks in wastewater treatment and thickeners in mineral processing, can be sought to obtain more specific design examples and parameters. .