Ultrasonic pretreatment for enhancing flotation separation of elemental sulfur and silver-bearing lead minerals from an oxidative pressure leaching residue of zinc sulfide

Article Engineering, Chemical

Characterization study and recovery of copper from low grade copper ore through hydrometallurgical route

G. T. Mohanraj et al.

Summary: This study conducted characterization studies on low grade copper ore and optimized the leaching parameters and solvent extraction method to achieve efficient copper recovery.

ADVANCED POWDER TECHNOLOGY (2022)

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Article Materials Science, Multidisciplinary

Investigation of the evaporation kinetics of a lead-silver alloy and elementary substances under vacuum

Yun Zhao et al.

Summary: A novel method for analyzing the evaporation rate of metals was introduced in this study, using a vacuum thermogravimetric furnace to measure the variation in mass over time. The results showed a linear relationship between the evaporation rates of lead-silver alloy and sample substance with temperature, providing basic theoretical guidance for gasification and separation of a noble lead alloy.

VACUUM (2022)

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Article Engineering, Environmental

Selective separation of zinc and iron/carbon from blast furnace dust via a hydrometallurgical cooperative leaching method

Xingguo Luo et al.

Summary: Selective separation and recovery of zinc and iron/carbon from blast furnace dust have been achieved using a NaCl-HCl-H2O system. Up to 93.2% of zinc could be leached, while iron and carbon were enriched and recovered as secondary resources.

WASTE MANAGEMENT (2022)

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Article Engineering, Chemical

The effects of ultrasonic wave on heterogeneous coagulation and flotation separation of pentlandite-serpentine

Jiwei Lu et al.

Summary: Ultrasonic dispersion technology can effectively weaken the hetero-aggregation of pentlandite and serpentine, improve the floatability of pentlandite, and efficiently separate the two minerals. The research results reveal that ultrasonic power is a key factor affecting the dispersion of pentlandite-serpentine.

MINERALS ENGINEERING (2022)

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Article Engineering, Environmental

Comprehensive utilization of foundry dust: Coal powder and clay minerals separation by ultrasonic-assisted flotation

Xiaolong Gong et al.

Summary: Clay sand casting generates a large amount of foundry dust (FD) with coal powder, making it difficult to recycle. Landfilling the FD causes environmental pollution. By utilizing ultrasonic-assisted flotation and two-stage flotation, separation efficiency of coal powder and clay minerals can be significantly improved, facilitating comprehensive utilization of the FD.

JOURNAL OF HAZARDOUS MATERIALS (2021)

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Article Geochemistry & Geophysics

Selective Flotation of Elemental Sulfur from Pressure Acid Leaching Residue of Zinc Sulfide

Guiqing Liu et al.

Summary: An efficient flotation process has been developed to selectively recover elemental sulfur from a high-sulfur pressure acid leaching residue of zinc concentrate, achieving high purity and recovery rate. This process has wide industrial application prospects.

MINERALS (2021)

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Article Energy & Fuels