Results 91 to 100 of about 16,195 (202)
Kinetics and mechanism of sphalerite leaching by sodium nitrate in sulphuric acid solution [PDF]
, 2012 Interest for application of hydrometallurgical processes in a processing of complex sulphide ores and concentrates has increased in recent years. Their application provides better metal recoveries and reduced emission of gaseous and toxic ageneses in ...
Marković B. +5 more
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Metals, 2018 Leaching of the dross containing 28.7% Sn, 18.0 Pb, 10.6% Cu, 8.9% Ge, 8.1% Zn, and 2.7% In in sulphuric and oxalic acid solution was investigated. The dross was obtained from thermal oxidation of by-product alloy generated during a New Jersey (NJ) zinc ...
Michał Drzazga +7 more
doaj +1 more source
Selected social impact indicators influenced by materials for green energy technologies
Nature CommunicationsThe social risks of green energy transition are underexplored. One of the important questions is which materials used in green energy technologies offer the greatest social benefits, such as ensuring decent living conditions, and which pose the most ...
Saeed Rahimpour +5 more
doaj +1 more source
Study of change in the leaching solution activity after treatment with a cavitator [PDF]
, 2019 Purpose. Increasing the valuable component content in a pregnant solution due to the activation of leaching solution with cavitation treatment in case of the borehole in-situ leaching (ISL). Methods.
Aben, E +4 more
core +1 more source
Nuclear Engineering and TechnologyDeveloping eco-friendly and highly efficient uranium-enhanced leaching technologies is crucial for ensuring the reliable supply of uranium resources. This study integrates nanobubble (NB) technology into the acid leaching process of granite-type uranium ...
Ting Li +5 more
doaj +1 more source
Critical Metals Hydrometallurgy [PDF]
JOM, 2015 In 2013, the E.U. Ad hoc Working Group on Raw Materials published its second criticality analysis report. The motivation to write this report came from the observation that in today’s world, our economies become more and more dependent on a number of metals and raw materials. Achzet et al.
openaire +1 more source
Cadmium trapping by C60 and B-, Si-, and N-doped C60 [PDF]
, 2019 The removal of heavy metals from the environment has attracted considerable attention as they are toxic and non-biodegradable or destroyable. To minimize their hazard, they should be removed through either physical or chemical capture. Cadmium is a heavy
Abiman, Poobalasingam +4 more
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Advances in Mineral Processing and Hydrometallurgy—3rd Edition
MetalsAfter the success of the two prior editions, a third edition of a Special Issue of Metals has been commissioned, specifically devoted to aspects of mineral processing and hydrometallurgy [...]
Corby G. Anderson
doaj +1 more source
Recent advances in electrochemical recovery of rare earth elements from NdFeB magnets [PDF]
Journal of Mining and Metallurgy. Section B: MetallurgyRecent advances in electrochemical methods promise a more sustainable recycling of rare earth elements (REEs) from discarded NdFeB permanent magnets. The demand for NdFeB magnets for clean energy applications is rapidly increasing, motivating recycling ...
Fu L., Karimi-Maleh H.
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Thermal Decomposition of Synthetic Argentojarosite - Implications for Silver Production in Medieval Times [PDF]
, 2005 The thermal decomposition of argentojarosite has been studied by thermogravimetric, spectroscopic and infrared emission techniques. Dehydroxylation occurs in three stages at 228, 383, 463 degrees Celsius with the loss of 2, 3 and 1 hydroxyl units.
Frost, Raymond +3 more
core +2 more sources