Spent-medium leaching of germanium, vanadium and lithium from coal fly ash with biogenic carboxylic acids and comparison with chemical leaching

H Rezaei, SZ Shafaei, H Abdollahi, S Ghassa… - Hydrometallurgy, 2023 - Elsevier
Coal fly ash (CFA), produced in coal-fired power plants, is categorized as hazardous waste
and has caused serious environmental impacts. The CFA contains significant amounts of …

[HTML][HTML] Strategies for Hydrocarbon Removal and Bioleaching-Driven Metal Recovery from Oil Sand Tailings

K Joshi, S Magdouli, K Kaur, SK Brar - Minerals, 2024 - mdpi.com
Oil sand tailings from bitumen extraction contain various contaminants, including polycyclic
aromatic hydrocarbons, BTEX, and naphthenic acids, which can leak into surrounding …

Harnessing the Capabilities of Microorganisms for the Valorisation of Coal Fly Ash Waste through Biometallurgy

B Kanesalingam, WAM Fernando, S Panda… - Minerals, 2023 - mdpi.com
Coal fly ash (CFA) is a highly versatile raw material that has the potential to yield multiple
value-added products, including cenospheres, zeolites, carbon nanotubes, and fertiliser …

Recovery of gold ions from wastewater using a three-compartment electrodialysis separation system

H Rezaei, H Abdollahi, S Ghassa - International Journal of Environmental …, 2023 - Springer
Gold can be extracted from gold plating baths, printed circuit boards, and goldsmithing
wastes by sodium hypochlorite leaching. However, the leach liquor should be purified to …

Electrochemical insights into the direct dissolution of impure sphalerites and their partial oxidation in an acidic environment

G Khodadadmahmoudi, S Karimi, H Abdollahi… - Scientific Reports, 2025 - nature.com
This study examined the electrodissolution mechanism of five impure sphalerite samples,
which differ significantly in purity levels, along with their partially oxidized counterparts in a …

Bulk flotation followed by selective leaching with biogenic ferric iron is a promising solution for eco-friendly processing of complex sulfidic ores

M Muravyov, A Panyushkina, N Fomchenko - Journal of Environmental …, 2022 - Elsevier
The development of cost-effective environmentally friendly technologies is of current
importance for the intensification of metal recovery. Here, we propose a new direction in the …

Comparison of sphalerite concentrate leaching by chemical and microbially produced ferric sulfate

M Muravyov, A Panyushkina - Minerals Engineering, 2022 - Elsevier
High-temperature ferric leaching is a promising method to improve the recovery of
nonferrous metals from sulfide ores and concentrates. In this study, differences in the …