175 Years - Malt for the Best

DURST MALZ Benefits the Environment

In order to save resources and avoid sewage, the waste water from the malting process is purified to drinking water quality in a recycling system, thus saving vast quantities of well water every year (approx. 70% recycling rate).This is a multi-stage process which consists of biological purification and subsequent physical treatment. In practice, this means that after a preliminary screening, the organic components of the waste water are decomposed in two bioreactors (the aerobic and anaerobic processes are controlled by an SPS).

The surplus slurry is removed, condensed in a slurry stacker tank and then disposed of. After this treatment, a precipitation agent is added to the waste water, which then flows into precipitation tanks. In the next stage, it passees through a cloth filter to remove fine particles of suspended matter. Crossflow filtration separates it into permeate and residue. The permeate undergoes UV treatment and is returned to the malting process via the recycling stacker tank. The residue passes through the final inspection and into the sewage treatment plant.

Durst Malz produces by itself in all three malting plants some of the electricity by using combined heat and power units. Thanks to this combined heat an power generation the primary energy can be optimally used.

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DURST MALZ | Bruchsal-Heidelsheim, Markgrafenstrasse 41-43, 76646 Bruchsal | Telefon: 0 72 51 / 50 60 Telefax: 0 72 51 / 506 11