Results 51 to 60 of about 736 (157)
To study the effect of carbonaceous matter on gold recovery in bio-pretreatment followed by a cyanide leaching process, the carbonaceous matter was characterized in high-sulfur Carlin-type gold flotation concentrate by gas chromatography-mass ...
QIU Xiao-bin +5 more
doaj +1 more source
Electrochemical recycling of spent LiBs is emerging as a transformative alternative. This work evaluates key electrochemical strategies, including indirect recycling via metal dissolution and selective recovery, and direct regeneration via relithiation under mild conditions.
Dazhi Yao, Long Ji, Yonggang Jin
wiley +1 more source
Electronic e-waste (e-waste) is a growing problem worldwide. In 2019, total global production reached 53.6 million tons, and is estimated to increase to 74.7 million tons by 2030.
Jonovan Van Yken +5 more
doaj +1 more source
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
Column leaching of ion adsorption rare earth ore at low ammonium concentration
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 +9 more
doaj +1 more source
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 +6 more
wiley +1 more source
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 +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]
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 +5 more
doaj
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 +4 more
doaj +1 more source
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 +33 more
doaj +1 more source

