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Innovation-driven brewing: De Proefbrouwerij upgrades its wastewater treatment

Brewery De Proefbrouwerij boosts its wastewater treatment with airlift membrane technology and granular sludge development, supported by Pantarein Water.

Flexible production, smart water care

Founded in 1996, De Proefbrouwerij brews beers for third parties, ranging from craft startups to global brands. To ensure flexibility and quality, the brewery continuously upgrades its processes — including the care for its wastewater.

Upgraded treatment with buffer tank and airlift membranes

Originally, the wastewater was treated with two parallel low-load SBR bioreactors. In 2018, the treatment plant was upgraded:

  • A buffer tank was added to balance the inflow
  • An airlift membrane filtration unit was installed to double capacity

The airlift technology ensures high energy efficiency and compact footprint, supporting the brewery’s sustainability goals.

Discontinuous operation for granular sludge and phosphorus removal

The biological treatment still runs discontinuously, promoting the formation of granular activated sludge and enabling maximum biological phosphorus removal.

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