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Erschienen in: Clean Technologies and Environmental Policy 6/2023

08.03.2023 | Original Paper

Assessing the environmental footprints of the manganese recovery process from low-grade ore to synthesize manganese ferrite

verfasst von: Rojin Eghbali, Ali Soltanizade, Fereshteh Rashchi, Ehsan Vahidi

Erschienen in: Clean Technologies and Environmental Policy | Ausgabe 6/2023

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Abstract

Increasing demand for manganese and rapid depletion of high-grade manganese ores grow attention to other resources. However, environmental impacts and techno-economic issues are the main challenges regarding manganese extraction from low-grade ores. This study investigated the environmental impacts of manganese recovery from low-grade ores and the synthesis of magnetic manganese ferrite. Two methods of synthesis were selected, a high-temperature synthesis using a furnace and a low-temperature method where the aging process compensates for the absence of a high-temperature regime. Life cycle analysis was conducted through the collected data to quantify and compare the environmental impacts. The high-temperature synthesis method surpassed the other process in almost all environmental categories adopted in the TRACI model. Additionally, sodium hydroxide has almost the highest contribution in both synthesis methods, while in the recovery process, electricity was the major contributor to all environmental categories. Besides electricity, sulfuric acid and sulfur dioxide play essential roles in the environmental impacts of the recovery process. Therefore, the low-temperature synthesis of manganese ferrite as a novel method is cost-effective and warrants the least environmental footprint.

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Metadaten
Titel
Assessing the environmental footprints of the manganese recovery process from low-grade ore to synthesize manganese ferrite
verfasst von
Rojin Eghbali
Ali Soltanizade
Fereshteh Rashchi
Ehsan Vahidi
Publikationsdatum
08.03.2023
Verlag
Springer Berlin Heidelberg
Erschienen in
Clean Technologies and Environmental Policy / Ausgabe 6/2023
Print ISSN: 1618-954X
Elektronische ISSN: 1618-9558
DOI
https://doi.org/10.1007/s10098-023-02488-1

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