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Filtration - Classification - Mechanical Filters
Unit 12 - Management of ponds
Filtration
Classification according to form of materials
Mechanical filters
Mechanical filters in aquatic cultural systems are used primarily for the separation of liquids and solids. Under some special circumstances, they can be used for liquid–liquid separations. Mechanical filters utilize the differences in particle size of the solution (or mixture) components to extract one part from the other. They are usually simple in operation and relatively easy to maintain, if correctly used. They can be designed to extract particles from any given size upward. They will not extract a specified particle size range while allowing larger and smaller particles to pass. They extract all particles larger than a specified size. Their operating and/or cleaning cost becomes excessive if the concentration of suspended material exceeds reasonable values.Following are the different types of mechanical filters,
Mechanical filters in aquatic cultural systems are used primarily for the separation of liquids and solids. Under some special circumstances, they can be used for liquid–liquid separations. Mechanical filters utilize the differences in particle size of the solution (or mixture) components to extract one part from the other. They are usually simple in operation and relatively easy to maintain, if correctly used. They can be designed to extract particles from any given size upward. They will not extract a specified particle size range while allowing larger and smaller particles to pass. They extract all particles larger than a specified size. Their operating and/or cleaning cost becomes excessive if the concentration of suspended material exceeds reasonable values.Following are the different types of mechanical filters,
- Stationary screens
- Rotary screens
- Chain type rotary screen
- Vibratory screens
Last modified: Thursday, 28 April 2011, 5:25 AM