Results 51 to 60 of about 357 (170)

Column leaching of ion adsorption rare earth ore at low ammonium concentration

Journal of Materials Research and Technology, 2022
Ammonium sulfate ((NH4)2SO4) is currently the most commonly used leaching agent for the extraction of ion adsorption rare earth ore (IARE-ore) in industrial production.
Qiyuan Shi, Yu Zhao, Xiaoyu Meng, Li Shen, Guanzhou Qiu, Xigang Zhang, Hong Yu, Xiao He, Huajin He, Hongbo Zhao   +9 more
doaj   +1 more source

Advancing Sustainable Operational Efficiency in the Mining Industry: Trends, Innovations, Frameworks, and Future Research Directions

Sustainable Development, Volume 34, Issue S1, Page 736-757, January 2026.
ABSTRACT This review highlights the urgent need for sustainable operational efficiency (SOE) in the mining industry (MI) as it confronts escalating environmental, social, and economic pressures. Although considerable progress has been achieved in areas such as life cycle assessment, renewable energy integration, and data‐driven decision‐making ...
A. Akofa Amegboleza, M. Ali Ülkü
wiley   +1 more source

Mining metal from waste

Geology Today, Volume 42, Issue 1, Page 15-26, January/February 2026.
With the transition to a low carbon future and increasing technological applications, the global demand for metals will continue to rise into the foreseeable future. However, primary ore deposits are finite, and to continue production, lower grade and more complex ore deposits need to be discovered, evaluated and exploited, with increasing exploration ...
Duncan Pirrie, Laurance J. Donnelly, Matthew R. Power, Alan R. Butcher, Andrew Menzies, Ester M. Jolis, Ben P. Wilson   +6 more
wiley   +1 more source

Separation and Recycling of Concentrated Heavy Metal Wastewater by Tube Membrane Distillation Integrated with Crystallization

Membranes, 2020
Tube membrane distillation (MD) integrated with a crystallization method is used in this study for the concurrent productions of pure water and salt crystals from concentrated single and mixed system solutions.
Xiang-Yang Lou, Zheng Xu, An-Ping Bai, Montserrat Resina-Gallego, Zhong-Guang Ji   +4 more
doaj   +1 more source

Effects of Heavy Metals/Metalloids and Soil Properties on Microbial Communities in Farmland in the Vicinity of a Metals Smelter

Frontiers in Microbiology, 2021
Microorganisms play a fundamental role in biogeochemical cycling and are highly sensitive to environmental factors, including the physiochemical properties of the soils and the concentrations of heavy metals/metalloids.
Xuewu Hu, Xuewu Hu, Xuewu Hu, Xuewu Hu, Xuewu Hu, Jianlei Wang, Jianlei Wang, Jianlei Wang, Ying Lv, Ying Lv, Ying Lv, Ying Lv, Ying Lv, Xingyu Liu, Xingyu Liu, Xingyu Liu, Juan Zhong, Juan Zhong, Juan Zhong, Xinglan Cui, Xinglan Cui, Xinglan Cui, Mingjiang Zhang, Mingjiang Zhang, Mingjiang Zhang, Daozhi Ma, Daozhi Ma, Daozhi Ma, Xiao Yan, Xiao Yan, Xiao Yan, Xuezhe Zhu, Xuezhe Zhu, Xuezhe Zhu   +33 more
doaj   +1 more source

Toward Circularity in Renewable Energy Technologies: A Review of Lifecycle Strategies and Sustainability Pathways

International Journal of Energy Research, Volume 2026, Issue 1, 2026.
As the deployment of renewable energy technologies—including solar photovoltaic (PV) systems, wind turbines, and energy storage batteries—continues to accelerate, the volume of end‐of‐life (EoL) waste is expected to grow significantly in the coming decades, with solar panel waste projected to reach 78 million metric tons globally by 2050, wind blade ...
Soroush Ghasemi, Iman Sadeghkhani, Cheng Du   +2 more
wiley   +1 more source

The Effect of Different Additives and Medium on the Bioleaching of Molybdenite for Cu and Mo Extraction Using Mix Mesophilic Microorganism [PDF]

International Journal of Mining and Geo-Engineering, 2013
Bioleaching processes for extraction of Cu and Mo from molybdenite cons. are more environmentally friendly and consume less energy than conventional technologies, yet less economically efficient.
Hadi Abdollahia, Ziaedine Shafaei, Mohammad Noaparast, Z. Manafi, N. Aslan, A. Akcil   +5 more
doaj  

Lead sulphate leaching by sodium chloride solution [PDF]

Hemijska Industrija, 2013
Bioleaching treatment of complex multi-metallic Cu-Zn-Pb-Ag-Au mineral concentrates leds to the formation, besides easily soluble zinc and cooper sulphates, of hardly soluble lead (II) sulfate (PbSO4) sludge.
Conić Vesna T., Pešovski Branka D., Cvetkovski Vladimir B., Stanojević-Šimšić Zdenka S., Dragulović Suzana S., Simonović Danijela B., Dimitrijević Silvana B.   +6 more
doaj   +1 more source

Solvent Extraction of Metals in the Circular Economy: Enhancing Resource Efficiency and Sustainability

The Scientific World Journal, Volume 2026, Issue 1, 2026.
The integration of solvent extraction techniques into the circular economy framework offers a sustainable approach to addressing resource efficiency and metal recovery challenges. This review explores the role of solvent extraction in minimizing environmental impacts while maximizing the recovery of critical metals from waste streams, including ...
Anup Basnet Chetry, Claudio Cameselle
wiley   +1 more source

Selective leaching of vanadium from V-Ti magnetite concentrates by pellet calcification roasting-H2SO4 leaching process

International Journal of Mining Science and Technology, 2021
A novel method of pellet calcification roasting-H2SO4 leaching was proposed to efficiently separate and extract vanadium (V) from vanadium-titanium (V-Ti) magnetite concentrates.
Yi Luo, Xiaokui Che, Xinglan Cui, Qi Zheng, Lei Wang   +4 more
doaj   +1 more source