A green sulfidation roasting–flotation process using desulfurized gypsum for sustainable copper recovery and waste valorization

Desulfurized gypsum (DG), a large-volume industrial by-product, was repurposed as a green sulfidation reagent for the recovery of cuprite through a sustainable sulfidation roasting–flotation process. Thermodynamic analysis confirmed that DG can effectively react with cuprite under a clean hydrogen (...

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Bibliographic Details
Published in:Green chemistry : an international journal and green chemistry resource : GC 2025-01, Vol.27 (48), p.15706-15718
Main Authors: Wei, Xinlei, Sun, Yongsheng, Gao, Peng, Wei, Xiaotong
Format: Article
Language:English
Subjects:
Contact angle
Copper
Copper ores
Copper sulfides
Desulfurizing
Dosage
Flotation
Food processing
Gypsum
Hydrophobicity
Reagents
Recovery
Roasting
Sulfidation
Sulfur
Sulfur dioxide
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