CANDLE FILTER

CANDLE FILTER

The conventional filter for solid-liquid filtration is very cumbersome to operate and to maintain. The filter cloth has to be scrubbed for cleaning. The entire assembly will have to be opened out every time for washing, resulting in the surrounding area becoming dirty. The operation and maintenance of this unit is labour oriented. Also the scrubbing of cloth every time results in reducing the quality of cloth (increase in slot opening). All has lead to the design of a Candle Filter wherein the cleaning operation is done in a closed circuit. 

This filter is ideally suitable for direct filtration or with precoat.

FEATURES & ADVANTAGES

  • Totally enclosed system, replacing the conventional plate and frame filter presses. No messy surroundings.

  • No moving parts. Therefore less maintenance and reduced spare parts requirements.

  • Cake stability and washing achieved without disturbing the assembly in closed circuits.

  • Less wastage of raw material in the cake discharge.

  • Filtration possible with filter aid/precoat or directly.

SIZE

The candle sizes have been standardized for the purpose of ease in maintenance. However, depending upon the flow rate of the filtrate, the number of candles are increased or decreased to give the desired results.
Beside its performance the Candle Filter has proved to be the best replacement for the Sparkler Filter. M/s CIBATUL LTD. has certified that replacing the Sparkler Filter with our Candle Filter for Charcoal Filtration has been cost effective as well filtration time is also reduced. They have also stated that the personnel safety is also increased due to the removal of the charcoal in the closed circuit.

MAJOR ADVANTAGES

  • Up to 50 % more cake holding capacity for the same area compared to the other pressure filters.
  • Cleaner surroundings due to the clean-in-place filtration.
  • Complete operator safety as all filtration operations carried out in closed conditions.

  • No emission of filtration fluids to the atmosphere hence environment friendly.
  • No additional labour required to clean the filter, as the operations are all automatic.
  • Filter downtime is least due to backwashing, hence maximum runtime available.
  • Least maintenance and negligible spares requirement.

SOME OF THE COMMON APPLICATIONS FOR CANDLE FILTER ARE :

  • Catalyst recovery
  • Activated carbon removal / Charcoal filtration
  • Demercurisation of Caustic 
  • Hydrogenated compounds
  • Removal of bleaching earth
  • Sodium Bicarbonate
  • Resin
  • Methanol
  • Glycerin Water
  • Lubricating oils
  • Electrolytes
  • Acetone
   

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