Autothermal treatment for used foundry sand

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(D) - The Gieáerei Siempelkamp foundry from Krefeld and Siempelkamp Energie- und Anlagentechnik from Dresden, have jointly developed a technology to process dust and moulding sand from foundries which could not be regenerated in the past. Called DUO-Prozesssor, the new technology combines thermal regeneration of ...

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