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Pilotanlage für ein wasserstoffbasiertes Direktreduktionsverfahren

von Hubert Hunscheidt

Die Pilotanlage kann auch für die Reduktion von hochgradigem Eisenfeinkonzentrat und zur Bestätigung der Konstruktionsgrundlage für eine CircoredTM-Anlage im industriellen Maßstab eingesetzt werden. Die Inbetriebnahme der Anlage wird voraussichtlich bis Dezember 2023 erfolgen.

"Die Investition ermöglicht es uns, die Reduktion von minderwertigem Eisenfeinkonzentrat in größeren Mengen als heute zu erproben und anschließend nachgeschaltete DRI-Elektroschmelzversuche zur Roheisenerzeugung durchzuführen. Die im Prozess verwendete CircoredTM-Verarbeitungsroute bietet den geringstmöglichen Kohlenstoff-Fußabdruck im Segment der Eisenerzeugung in einem integrierten Stahlwerk", sagt Parizat Pandey, Direktor für direktreduziertes Eisen (DRI) bei Metso Outotec.

Nach der Inbetriebnahme wird die 700-mm-Pilotanlage in der Lage sein, kontinuierlich 150 bis 200 kg/h direkt reduziertes Eisen zu produzieren, wobei 100 % Wasserstoff als einziges Reduktionsmittel verwendet wird. Die Pilotanlage wird über einen integrierten Vorwärm- und Reduktionsteil verfügen, gefolgt von einer Gasreinigungs- und Rezirkulationsanlage. Die Investition umfasst die Installation von Elektroheizungen im Prozess, wodurch die Anlage nahezu emissionsfrei ist. Die durch den Einsatz von Elektroheizungen gewonnenen Daten werden dazu dienen, die Konstruktion von Industrieheizungen, die mit erneuerbaren Energien betrieben werden können, zu erweitern.

Nähere Informationen sind hier erhältlich.

Quelle und Foto: Metso Outotec Oyj

 

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