Types of Lime Slakers

Choosing the right lime slaker for your application is no easy task. Here you will find information on each type of lime slaker and we’ll help you to understand the advantages and disadvantages of each.

Detention Slaker

  • sizes available from small to large (500 kg/hr to 26,000 kg/hr)
  • relatively low capital cost
  • accurate process control (temperature sensor in chemical reaction zone)
  • can be optimized for maximum chemical reactivity
  • requires grit removal & handling system

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Paste Slaker

  • sizes available from small to medium (500 kg/hr to 4,000 kg/hr)
  • moderate capital cost
  • less water used in the process (so less heat required)
  • smaller footprint (than detention slaker)
  • difficult process control (mixer shaft torque)
  • difficult to optimize chemical reactivity
  • requires grit removal & handling system

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Horizontal Ball Mill Slaker

  • sizes available from medium to large (2,000 kg/hr to 50,000 kg/hr)
  • relatively high capital cost
  • reasonable process control (temperature measurement delayed at slaker discharge)
  • difficult to optimize for maximum chemical reactivity (slow to respond)
  • no grit collection or disposal system required
  • requires hydrocyclone circuit
  • large footprint
  • performs better on low lime quality applications
  • improves slaking performance with poor chemistry water

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VERTIMILL ® Ball Mill Slaker

  • sizes available from medium to large (2,000 kg/hr to 50,000 kg/hr)
  • accurate process control (temperature sensor in chemical reaction zone)
  • easy to optimize for maximum chemical reactivity.
  • no grit collection or disposal system required
  • smaller footprint (than horizontal ball mill)
  • typically no hydrocyclone required
  • performs good/best on all lime quality applications
  • attrition action improves slaking performance with poor chemistry water

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Mixtank Batch Slaker

  • suitable for small batch production (less than 500 kg/hr)
  • lowest capital cost
  • small footprint
  • no specialized components
  • limited process control
  • resulting slurry has poor reactivity
  • requires grit removal & handling system

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