Kieselguhr Filter

Kieselguhr Filter

One of the most common filtration methods used by breweries is the kieselguhr filtration system. This filtration system is a candle kieselguhr filter, equipped with a series of auxiliary equipment including front and rear buffer tanks, kieselguhr adding tanks, head and tail receiving tanks, as well as pipes, valves, and detection sensors. Kieselguhr is continuously added to the filter aid through the kieselguhr-adding tanks. After the pre-coating process, the filter can effectively filter yeast, condensed sediment, and other impurities from the beer, resulting in a clearer beer.
  • Automation
  • Energy saving
  • Full process service
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Components

  • Kieselguhr adding tank*1 set
  • Front buffer tank*1 set
  • Kieselguhr mixing tank*1 set
  • Candle filter*1 set
  • Rear buffer tank*1 set
  • Bag trap*1 set

Other adding systems are equipped according to the process.

Process Parameters

  • Yeast content before filtration: 500,000-2,000,000 cells/ml
  • Iodine value before filtration: < 0,3
  • Beta-glucan before filtration: < 200 ppm
  • Viscosity before filtration: < 1,5 cP
  • Turbidity after filtration 90°/25° (EBC): ≤0.4/0.2
  • Increment of dissolved oxygen after filtration (ppb): ≤20ppb
  • Yeast content after filtration: ≤5 cells/100ml
  • Bacterial count after filtration: ≤10/ml

Key Features

  • The system is designed to operate fully automatically to facilitate the automated execution of key processes, such as the addition of kieselguhr, mixing, pre-coating, filtration, discharge and others. The filtration process can be tailored to suit specific requirements by adjusting the relevant parameters.
  • Equipped with high-performance measurement and detection equipment, including metering pumps, turbidity detectors, and liquid level detectors, etc.
  • CIP cleaning without dead ends ensures the hygiene and safety of the whole filtration process.
  • Equipped with CO2 system, which can effectively control the oxygenation value of beer.

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