Green hydrometallurgical extraction of metallic lead from spent lead paste in the methanesulfonic acid system

C Chang, S Yang, Y Li, C **ang, H Wang, S Liu… - Separation and …, 2023 - Elsevier
As the mainstream process for recycling waste lead-acid battery paste to produce metallic
lead ingots, pyrometallurgical smelting generally suffers from disadvantages such as high …

Anglesite, Cerussite, Gypsum, Langite, Malachite, and Posnjakite: New Occurrences in the Calabria Region (Southern Italy)

A Bloise, L Dattola, R De Luca, D Miriello - Applied Sciences, 2023 - mdpi.com
This study undertook the mineralogical and chemical analysis of anglesite (PbSO4),
cerussite (PbCO3), gypsum (CaSO4∙ 2H2O), langite (Cu4 (SO4)(OH) 6∙ 2H2O), malachite …

[HTML][HTML] Effect of oxalic acid on the selective flotation separation of Pb-activated sphalerite from galena

DA Eladl, GPW Suyantara, H Miki, A Ulmaszoda… - Advanced Powder …, 2025 - Elsevier
The separation of sphalerite (ZnS) and galena (PbS) is challenging owing to activation of the
sphalerite surface by unavoidable metal ions, such as lead ions (Pb 2+) released from lead …

[HTML][HTML] Flotation of copper ores with high Cu/Zn ratio: effects of pyrite on Cu/Zn separation and an efficient method to enhance sphalerite depression

K Aikawa, M Ito, N Orii, S Jeon, I Park, K Haga… - Minerals, 2022 - mdpi.com
Porphyry copper deposits are important sources of copper and typically processed by
flotation to produce copper concentrates. As mining areas become deeper, the amounts of …

Carrier flotation using coarse pyrite for improving the recovery of finely ground chalcopyrite: Development of post-process of carrier flotation to separate finely ground …

M Bilal, I Park, M Ito, FU Hassan, K Aikawa, S Jeon… - Minerals, 2023 - mdpi.com
Carrier flotation is a technique that can recover fine particles by using coarse carrier
particles during the flotation process. In heterogeneous carrier flotation, coarse mineral …

Microencapsulation-based surface modification for improving flotation separation of Cu-Zn mixed sulfide minerals

I Park, D Uchida, S Jeon, K Aikawa, N Hiroyoshi… - Minerals …, 2024 - Elsevier
Selective flotation of copper sulfides like chalcopyrite (CuFeS 2) from Cu-Zn mixed sulfide
ores with high Cu/Zn ratios has proven difficult due to undesired activation of sphalerite …

[HTML][HTML] Metal Sulfide Nanoparticles as Sphalerite Surface Activators to Improve Zinc Recovery Through Flotation Process

DM Ávila-Márquez, A Blanco-Flores, HP Toledo-Jaldin… - Separations, 2024 - mdpi.com
CuS nanoparticles (Np) were synthesized and deposited on synthetic sphalerite (SP) using
two different methods. Two nanoparticle products were obtained on the surface of SP, Np1 …

Editorial for Special Issue “Sustainable Production of Metals for Low-Carbon Technologies”

I Park, M Silwamba - Minerals, 2023 - mdpi.com
In 2015, 193 governments agreed to act on climate change by drastically reducing carbon
dioxide (CO2) emissions as envisaged in the sustainable development goal (SDG) number …

[PDF][PDF] Depression of sphalerite in flotation of copper ores based on estimation of the degree of copper activation of sphalerite

K Aikawa, I Park, N Hiroyoshi, T Sakakibara, M Itoa - min-eng.com
As mining areas become deeper in porphyry copper deposits, the amounts of impurities (eg,
sphalerite) can increase in the ores. Therefore, the appropriate depression of sphalerite …

[PDF][PDF] Flotation of Copper Ores with High Cu/Zn Ratio: Effects of Pyrite on Cu/Zn Separation and an Efficient Method to Enhance Sphalerite Depression. Minerals 2022 …

K Aikawa, M Ito, N Orii, S Jeon, I Park, K Haga… - 2022 - academia.edu
Porphyry copper deposits are important sources of copper and typically processed by
flotation to produce copper concentrates. As mining areas become deeper, the amounts of …