Emulsification in High‐Pressure Homogenizers
High‐pressure homogenizers are frequently employed for the homogenization of low‐viscosity emulsions containing a proportion of disperse phase which is not too high. High‐pressure homogenizers essentially consist of a high‐pressure pump and a homogenizing nozzle. The design of the homogenizing nozzle influences the flow of the emulsion in the nozzle itself and hence the results of droplet disruption. It is shown which mechanism in frequently used homogenizing nozzles is usually responsible for disruption. Experimental results reveal the effects of the dispersed phase content and the viscosity of the disperse and continuous phases in different nozzles. The results can be explained on the basis of the mechanisms of disruption. Finally, the homogenizing nozzles presented are directly compared with one another.
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A homogenizer is an important laboratory or industrial equipment that is used for the homogenization of various types of material, including tissue, plant, food, soil, and many others. Many different models have been developed by the manufacturers using various physical technologies for disruption. The mortar and pestle have been already used for thousands of years, is a standard tool even in modern laboratories. Some other modern solutions are based on blender type of instruments (also known in the kitchen), bead mills, ultrasonic treatment (also sonication), rotor-stator mechanical, high pressure, and many other physical forces. Ultrasonic, mechanical, and assembly types of homogenizers are on various applications among customers.
Leading Companies:
- Avestin Inc.
- Bertoli SRL
- FBF Italia SRL
- GEA Group
- Krones AG
- Microfluidics International Corporation
- Netzsch Group [Erich Netzsch Gmbh & Co. Holding Kg]
- Phd Technology International Llc
- Sonic Corporation
- SPX Corporation