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Thermo-chemical pre-treatment of brewer's spent grains to enhance biogas production


Beer brewing is a very old tradition. The brewing process has changed very little in the last 400 years, but modern breweries are associated with high costs in the areas of energy supply and waste management. The innovative TherChem process makes it possible to gain energy - in the form of biogas - out of process waste streams. Energy can be obtained from the methane using a combined heat and power unit, and this energy can be fed back into the brewing process, leading to lower costs.