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High-gravity blending involves producing wort with a high extract content. During fermentation, this results in a beer with a higher original gravity and alcohol content. Later in the process, the high-gravity beer is blended with degassed water to achieve the desired final original gravity and/or alcohol content. When this occurs directly before the BBTs (Bullet Batches) or even before the filler, the brewery's flexibility is significantly increased. Different beers (brands) can be produced from the same mother wort. This allows the brewery to respond quickly to changing market demands. Flow rates and the original gravity and alcohol content are continuously monitored and adjusted via a ratio control system. For this purpose, the system is equipped with highly accurate flow meters and in-line sensors from Centec. Centec has decades of experience in developing and manufacturing its own precision instruments for alcohol control based on density and sound velocity measurement. Optionally, the blender can be equipped with a vortex-venturi injector for combined CO2 injection into the product. Centec markets systems that combine high gravity blending and carbonation in one step as compact CarboBlender systems.

  • Standard version entirely in stainless steel
  • Mixed-bed design available on request for water demineralization
  • Customized modular design with standard PLC
  • Frame-mounted for easy installation and commissioning
  • Hygienic design and full CIP capability

Blender - High Gravity Blending

High Gravity Blending (HGB) is a process that makes it possible to produce different beers (brands) from one or a few mother beers. This increases the brewery's productivity with a comparatively small brewhouse capacity and a small number of fermentation tanks.

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