Essay On Powder Reconstitution
In this report I will be researching the unit operation of powder reconstitution, the principles’ behind it, its key unit operation variables and its unit operation performance. In its simplest form a unit operation can be described as a basic step in a process, this could be distillation, fluid transport, heat or mass transfer, evaporation, extraction, drying, crystallization, filtration, mixing, crushing, grinding or conveying. With this in mind it can be said that most unit operations are based on the fundamental transport processes of mass transfer, heat transfer, and momentum transfer.
Principles of Operation.
Purpose of the Operation and the Principles Behind It.
Powder reconstitution is used widely in both the food and pharmaceuticals industry. In powder reconstitution there will always be a solute, solvent or diluent and finally a solution present. The solute is the powder which needs to be reconstituted. The diluent is the liquid added to the solute. The solution is the liquid mixture the results when the solvent dissolves the solute. Powders for reconstitution are attractive dry formulations because of both their compactness compared to liquid oral dosage forms and their advantage in storage and transport.
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After the required volume of water has been added into the tank and heated to 43 – 49 °C, the powder is added steadily. Agitation applied until all the powder has dissolved. The resulting solution should be allowed to stand for 20 minutes with no agitation. When the twenty minutes has passed the agitator is restarted. The temperature is then raised to 54 – 65 °C, following this the milk fat is added. To ensure that the milk fat has dispersed the agitator is switched to high speed for several minutes. The agitator is then switched to the stirring position, and the process concludes with pasteurization and
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