Results 21 to 30 of about 168,935 (268)
Aluminium secondary materials are often contaminated by impurities such as iron. As the alloy properties are affected by impurities, it is necessary to refine aluminium melts. The formation of Fe intermetallics in aluminium melts can be used to develop a
Marina Gnatko +3 more
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High-energy battery systems are gaining attention in the frame of global demands for electronic devices and vehicle electrification. This context leads to higher demands in terms of battery system properties, such as cycle stability and energy density ...
Lilian Schwich +2 more
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Advance in ultrasonic spray pyrolysis (USP) for the synthesis of gold nanoparticles [PDF]
Introduction/purpose: Ultrasonic spray pyrolysis (USP) is usually used for the preparation of submicronic and nanosized gold powders. This is a simple method for a synthesis from an aerosol containing dissolved metallic salts such as gold chloride ...
Srećko R. Stopić, Bernd G. Friedrich
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High purity antimony (Sb) gains nowadays a rising interest for high-tech applications. Zone refining is commonly used as a reliable final purification step to achieve higher purity levels of Sb. However, the removal of arsenic (As) - the most troublesome
Xiaoxin Zhang +4 more
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The results obtained from the work on a concept of a recycling process for NdFeB magnets to recover rare earth elements for remanufacturing similar magnets are presented.
Hanwen Chung +5 more
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During the last decade, magnesium-based medical implants have become the focal point of a large number of scientific studies due to their perceived favorable properties.
Seifeldin R. Mohamed +2 more
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Recovery of cobalt from primary and secondary materials - an overiew / Извлечение кобальта из первичных и вторичных материалов - обзор / Izdvajanje kobalta iz primarnih i sekundarnih materijala - pregled [PDF]
Introduction/purpose: Cobalt is a strategic metal for industrial application. Cobalt recovery from oxidic ores such as laterite and sulphidic ores, and from secondary materials during acidic treatment and precipitation is a highly used strategy ...
Srećko R. Stopić, Bernd G. Friedrich
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Hydrogen Reduction of Tellurium Oxide in a Rotary Kiln, Initial Approaches for a Sustainable Process
In the recycling of semiconductor materials like Bi2Te3 or CdTe, TeO2 may form as a by-product that can be directly reduced to recover metallic Te. The hydrogen reduction of TeO2 offers an eco-friendly alternative to conventional carbothermic reduction ...
Hanwen Chung +3 more
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Deposition of silica in hydrometallurgical processes / Отложение кремния в гидрометаллургических процессах / Taloženje silicijum-dioksida u hidrometalurškim procesima [PDF]
Introduction/purpose: Dissolution of nonferrous metals from oxidic ores such as laterite, high silicon bauxite and eudialyte during acidic treatment was connected with silica gel formation.
Srećko R. Stopić, Bernd G. Friedrich
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Recycling of Li-Ion Batteries (LIBs) is still a topic of scientific interest. Commonly, spent LIBs are pretreated by mechanical and/or thermal processing. Valuable elements are then recycled via pyrometallurgy and/or hydrometallurgy.
Fabian Diaz +3 more
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