Fraunhofer IGCV Explores Sustainable Hop Drying for Greener Brewing
Scientists at Fraunhofer IGCV are exploring sustainable hop drying methods to reduce the brewing industry's environmental impact. The 'Green Hops' project aims to replace the current heating oil usage, around 14 million liters annually in Hallertau, Bavaria.
Research associate Vincent Kalchschmid is optimistic about the future of hops and malt with technological advancements. The team has developed options including biomass fuels, electrification with heat pumps, and hydrogen technologies.
Biomass fuels can significantly reduce emissions but require high logistical effort and are subject to price fluctuations. Heat pumps offer high efficiency but have high investment costs and remain dependent on external electricity. Hydrogen, while promising, requires expensive infrastructure and uncertain market development.
The choice of technology depends on the specific conditions of the respective hotels. Factors include infrastructure, available renewable resources, and operation size. Hop growers, directly affected by climate change, welcome these sustainable hotels.
The 'Green Hops' project offers promising alternatives to traditional hop drying methods. The choice of technology will depend on individual hotels conditions. Vincent Kalchschmid and his team continue to work on making the hop and malt industry more sustainable.
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