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Spray drying [15] [16] is used to produce hundreds of food products, including instant coffee, powdered soups, and flavor concentrates. Coating of food products with flavorings and surface additives. Cleaning and sanitizing storage tanks, and process equipment single fluid nozzles are used to rinse and wash away materials.
Mixing of liquids occurs frequently in process engineering. The nature of liquids to blend determines the equipment used. Single-phase blending tends to involve low-shear, high-flow mixers to cause liquid engulfment, while multi-phase mixing generally requires the use of high-shear, low-flow mixers to create droplets of one liquid in laminar, turbulent or transitional flow regimes, depending ...
Dilution is the process of decreasing the concentration of a solute in a solution, usually simply by mixing with more solvent like adding more water to the solution. To dilute a solution means to add more solvent without the addition of more solute. The resulting solution is thoroughly mixed so as to ensure that all parts of the solution are ...
The mixing time will determine the quality of the random mixture. However, if powders with particles of different size, density or shape are mixed, segregation can occur. [ 4 ] Segregation will cause separation of the powders as, for example, lighter particles will be prone to travel to the top of the mixture whereas heavier particles are kept ...
The first step (called SC-1, where SC stands for Standard Clean) is performed with a solution of (ratios may vary) [2] 5 parts of deionized water; 1 part of ammonia water, (29% by weight of NH 3) 1 part of aqueous H 2 O 2 (hydrogen peroxide, 30%) at 75 or 80 °C [1] typically for 10 minutes. This base-peroxide mixture removes organic residues.
Spray nozzles can have one or more outlets; a multiple outlet nozzle is known as a compound nozzle. Multiple outlets on nozzles are present on spray balls, which have been used in the brewing industry for many years for cleaning casks and kegs. [2] Spray nozzles range from those for heavy duty industrial uses to light duty spray cans or spray ...
To start, a diluted cleaning solution (white vinegar, bleach and detergent) is sprayed onto all surfaces to be cleaned, Using the same machine, the area is then rinsed; this is typically followed by vacuum suctioning that removes the applied liquid along with the suspended solids and dissolved contaminants that have been removed from the surface.
When mixing sticky solutions, some of the product may be left in the tank, necessitating cleaning. However, there are designs of batch high-shear mixers that clean the tank as part of the operating run. [4] Some high-shear mixers are designed to run dry, limiting the amount of cleaning needed in the tank. [5] [6]