Category: German Aerospace Center

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Oxygen fix for high-temperature molten-salt degradation (and corrosion) at 620°C

The molten salt mixture deployed in today’s commercial CSP plants for thermal energy storage is liquid at 565°C and degrades at higher temperatures. Yet higher temperatures would increase thermal efficiency. So how can we develop a molten salt mix that can reach temperatures up to 620°C without degradation? And at the same time, how can …

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Sustainable cement production – can concentrated solar power replace fossil fuels?

Use of solar energy in the calcination process to minimise carbon dioxide emissions during cement production. Rotary kiln successfully tested in the solar simulator at the DLR Institute of Solar Research in Cologne. Can be used in Southern Europe and emerging markets.   Solar researchers at the German Aerospace Center (Deutsches Zentrum für Luft- und …

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