Abstract
AbstractThe article contains sections titled:1.Stirring Operations, Stirring Vessels, and Stirrer Types1.1.Stirring Operations1.2.Stirring Vessels and Auxiliary Equipment1.3.Operation of Individual Types of Stirrers1.4.Mechanical Stress Exerted by the Stirrer2.Homogenization of Liquid Mixtures2.1.Problem Definition2.2.Mixing‐Time Characteristic2.2.1.Definition and Measurement Method2.2.2.Mixing‐Time Characteristic at Δϱ ≃ 0 and Δν ≃ 02.2.3.Mixing‐Time Characteristic at Δϱ ≠ 0 and Δν ≠ 02.2.4.Mixing‐Time Characteristics in Non‐Newtonian Liquids2.3.Power Characteristic2.3.1.Definition and Measurement Method2.3.2.Power Characteristics in Homogeneous Systems2.4.Optimization: Minimum Work of Mixing2.5.Homogenization in Storage Tanks2.6.Liquid Throughput of Stirrers2.7.Vortex Depth in Unbaffled Stirred Tanks3.Intensification of Heat Transfer3.1.Problem Definition3.2.Heat‐Transfer Characteristics3.2.1.Definitions3.2.2.Heat‐Transfer Characteristics in the Range Re > 2003.2.3.Heat‐Transfer Characteristics in the Range Re < 2003.3.Stirrer Power During Heat Transfer3.4.Optimum Stirring Conditions for the Removal of Reaction Heat4.Suspension of Solids in Liquids (S/L Systems)4.1.Problem Definition4.2.Classification of the Suspension Conditions4.3.Suspension Characteristic4.3.1.Suspension Characteristics withdpas the Characteristic Particle Dimension4.3.2.Suspension Characteristics withwssas the Characteristic Particle Property4.4.Power Requirements Upon Suspension of Solids4.5.Scale‐up of the Solids Suspension Process4.6.Effect of Geometric and Apparatus‐Related Factors on the Suspension4.7.Mass Transfer in the Solid ‐ Liquid (S/L) System5.Dispersion in Liquid ‐ Liquid (L/L) Systems5.1.Lowest Stirrer Speed for Dispersion5.2.Dispersion Characteristics5.3.Stirrer Power for Dispersion5.4.Scale‐Up of the Dispersion Processes5.5.Mass and Heat Transfer Upon Dispersion6.Dispersion in Gas ‐ Liquid (G/L) Systems6.1.Physical Fundamentals of Mass Transfer6.2.Mass‐Transfer Characteristics in the G/L System6.2.1.Sorption Characteristics in Coalescence‐Bound Systems (Water)6.2.2.Sorption Characteristics in Coalescence‐Inhibited Systems6.2.3.Sorption Characteristics in Non‐Newtonian Material Systems6.3.Stirrer Power in Gassed Liquids6.4.Flooding Point6.5.Special Gas ‐ Liquid Contacting Techniques6.5.1.Hollow Stirrers6.5.2.Surface Aerators6.5.3.Gas Spargers and Injectors
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