Efficient production processes
Mixing Tasks
Mixing Task
Homogeneity
- Mixing of mutually soluble liquids to a certain degree of homogeneity
- Maintained for the duration of a reaction/process
- The goal of this mixing task must be defined to avoid misunderstandings
Mixing Task
Emulsification
- Emulsions consist of two liquids that are not normally soluble in each other
- The emulsion is defined by the phases in which the other is distributed
- The droplet size is one criterion for stability
- The time required is secondary
Mixing Task
Liquid-liquid Dispersion
- Mixtures of two or more liquids that are not miscible with each other
- Industrial applications
- Temporary or stable emulsion
Mixing Task
Gas-liquid Dispersion
- Objective: to achieve the highest possible mass transfer between the dispersed gas and the liquid
- Equal reaction rate at lower pressures and/or temperatures
- Savings in total operating costs
Mixing Task
Suspension
- Mixing of solids in liquids
- Swirling up of the solid, usually in connection with dissolving processes
- Homogeneous distribution of the solid
Mixing Task
Drying
- Objective: to obtain a dry end product by removing moisture
- Basic process in process engineering
Mixing Task
Heat Transfer
- The desired amount of heat is either transferred into or out of the product
- To do this, the heat flows in a reactor are considered
- In this case, the heat transfer from the tank wall into the medium is usually referred to
- The agitator achieves the greatest possible turbulence at the tank wall in order to keep the product homogeneous (in terms of temperature)
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