Principle of Cartridge Filter
- It operates on the principle of surface and depth filtration, using replaceable filter cartridges to trap particles from fluids.
- They are widely used for their ease of replacement and versatility.
Construction of Cartridge Filter
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- Filter Cartridge: Cylindrical filter element made of materials like polypropylene, cellulose, or activated carbon.
- Filter Housing: Holds the cartridge in place, often made of plastic, metal, or stainless steel.
- Inlet/Outlet Ports: For fluid entry and exit.
- Seals and Gaskets: Ensure no bypass of unfiltered fluid.
Working
- The fluid enters the housing through the inlet port.
- It flows through the filter cartridge, where particles are trapped on the surface or within the material.
- The filtered fluid exits through the outlet port.
- When the cartridge becomes clogged, it is replaced with a new one.
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Uses
- Water purification
- Pharmaceutical industry
- Food and beverage processing
- Industrial applications
Merits
- Easy to replace filter cartridges.
- Wide range of materials and pore sizes available.
- Suitable for both fine and coarse filtration.
- Minimal downtime for maintenance.
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Demerits
- Ongoing cost of cartridge replacement.
- Limited capacity before replacement is needed.
- Potential for bypass if seals are not properly maintained.
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