Results 21 to 30 of about 709,124 (306)
Frontiers in Microbiology, 2023 Metal recycling is essential for strengthening a circular economy. Microbial leaching (bioleaching) is an economical and environmentally friendly technology widely used to extract metals from insoluble ores or secondary resources such as dust, ashes, and
Sabine Spiess +7 more
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Processing waste printed circuit boards for material recovery [PDF]
, 2007 PURPOSE We have investigated the use of pyrolysis for the processing of waste printed circuit boards (PCBs). The aim was to make the process of separating the organic, metallic, and glass fibre fractions of PCBs much easier and therefore make ...
Hall, W.J., Williams, P.T
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Carbon Monoxide Oxidation Promoted by Surface Polarization Charges in a CuO/Ag Hybrid Catalyst. [PDF]
, 2020 Composite structures have been widely utilized to improve material performance. Here we report a semiconductor-metal hybrid structure (CuO/Ag) for CO oxidation that possesses very promising activity. Our first-principles calculations demonstrate that the
Jia, Chuanyi +5 more
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Efficient dealkalization of red mud and recovery of valuable metals by a sulfur-oxidizing bacterium
Frontiers in Microbiology, 2022 Red mud (RM) is a highly alkaline polymetallic waste generated via the Bayer process during alumina production. It contains metals that are critical for a sustainable development of modern society.
Duo-rui Zhang +12 more
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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 +5 more
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Membranes, 2023 The selective separation of metal species from various sources is highly desirable in applications such as hydrometallurgy, water treatment, and energy production but also challenging. Monovalent cation exchange membranes (CEMs) show a great potential to
Önder Tekinalp +4 more
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Recent Monitored Factors and Reactor's Configuration for Enhancing Contamination Treatment by Photo-Electro-Catalysis Process [PDF]
Iranian Journal of Chemistry & Chemical EngineeringPhoto-electro-catalysis process has received major attention in the past decade as a substitutional wastewater treatment technology. Photo-electro-catalysis process is widely employed for removing different pollutants (organic, and inorganic (cationic ...
Ghazal Ebraheim +2 more
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Frontiers in Environmental Science, 2023 Introduction: Municipal Solid Waste Incineration (MSWI) plants generate significant amounts of solid end-products, such as bottom ash (BA), containing potentially toxic elements like Cr, Ni, As, Cd, and Pb, base elements (e.g., Si, Al, Fe, Ti, Cu, and Zn)
Junaid Ghani +4 more
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Nonradiative lifetimes in intermediate band materials - absence of lifetime recovery [PDF]
, 2011 Intermediate band photovoltaics hold the promise of being highly efficient and cost effective photovoltaic cells. Intermediate states in the band gap, however, are known to facilitate nonradiative recombination.
Aspuru-Guzik, Alán +2 more
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Nuclear Materials and EnergyThe accumulation of radioactive corrosion products, specifically 58Co and 60Co, on metallic material (304 stainless steel) surface in spent nuclear fuel (SNF) pools is among the main factors of radioactive contamination.
Jian Deng +5 more
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