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Selective leaching of nickel and cobalt from sintered nickel alloy by oxygen pressure acid leaching process
In this work, oxygen pressure acid leaching is implemented to augment the leaching efficiency of valuable metals from sintered nickel alloy....
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Acid Mine Drainage and Metal Leaching Potential at Makum Coalfield, Northeastern India
Acid mine drainage (AMD) is one of the primary environmental concerns in the coal mining industries. It is relatively more common in the coalfield...
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Mechanism and Kinetics Study on Sulfuric Acid Leaching of Titanium from NaOH Roasting Ilmenite
Based on the difficulty of extracting titanium from ilmenite, this study modified ilmenite by alkali roasting to improve the leaching rate of...
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Valuable metals substance flow analysis in high-pressure acid leaching process of laterites
Substance flow analysis (SFA), an analytical tool, was applied to a high-pressure acid leaching (HPAL) process of laterites. The results show that...
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Kinetic Study of Lithium Leaching from Sidoarjo Mud Using Sulfuric Acid
With the rapid development of renewable energy technology, such as electricity reserves, to store energy for electric or electric vehicles,...
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Recycling for Recovery of Critical Metals from LiCoO2 Cathode Material Through Methanesulfonic Acid-Citric Acid Organic Leaching System
Growing demand for valuable battery materials and environmental issues from battery disposal make the recycling of spent lithium-ion batteries (LIBs)...
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Efficient Recycling of High-grade Concentrate Powders from Feldspar Slime Using Mechanochemically Assisted Acid Leaching
Feldspar beneficiation produces large amounts of slime waste, which should be efficiently recycled to achieve the economic and environmental...
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Extraction of Vanadium from High Calcium and High Phosphorus Vanadium Slag by Magnesiation Roasting-Acid Leaching
Magnesiation roastingMagnesiation roasting-acid leaching is carried out to extract vanadiumVanadium from high calcium and high phosphorus vanadium...
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Sodium Removal from Aluminum Electrolysis Spent Anodes (Butts) Through Aluminum Sulfate Hydrothermal Acid Leaching
Spent anodes (butts) are the remaining portion of prebaked anodes after consumption, which are reintroduced into the production of prebaked anodes...
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Effect of electric pulse treatment on silver recovery from spent solar panel sheet by acid-leaching
The number of spent photovoltaic (PV) panels is expected to increase significantly in the coming decades. Crystalline silicon photovoltaic cells...
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Research on Gold Leaching from a Refractory Gold Concentrate in Copper-Malic Acid-Thiosulfate Solutions
Thiosulfate is a green gold leaching agent that shows great potential to replace the highly toxic cyanide. Ammonia is traditionally used as the...
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Recovery of vanadium from vanadium slag by composite additive roasting–acid leaching process
To minimize the vanadium content in the vanadium extraction tailings, composite additive roasting with (CaO + MgO) and subsequent acid leaching...
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Characterization and Optimization of Copper-Cobalt Oxide Ores During Acid Leaching
The copper-cobalt ore received from Congo contains around 2.0% copper and 0.356% cobalt, with oxidation rates of 92.09% and 88.57% for Cu and Co,...
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Reduction of Ferric Ion from Zinc Hydrometallurgy Acid-Leaching Solution Using Zinc Sulfide Concentrate
In response to the problem of additive zinc concentrate consumption and inefficient reduction of ferric ion (Fe 3+ ) in the acid-leaching solution of...
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The Study of Acid Leaching on the Mineralogical and Microscopic Changes of Red Mud
When alumina is extracted from bauxite ore, one of the environmental pollutants created is known as red mud (RM). This study clarifies that the RM...
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Recovery of rare earth element from waste cathode ray tube phosphors by concentrated sulfuric acid directional transformation-water leaching
A process for recovering both Eu and Y from the discarded cathode ray tube (CRT) display was introduced. The developed process involved a directional...
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A Process for Extraction of Manganese from Manganese Oxide Ores by a Novel and Efficient Roasting-Acid Leaching Technique
In this article, a novel efficient and environmental reductive roasting-acid leaching technique was proposed by a combined pretreatment of the...
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Leaching of rare earths from Abu Tartur (Egypt) phosphate rock with phosphoric acid
The leaching of rare earth elements (REEs) from Egyptian Abu Tartur phosphate rock using phosphoric acid has been examined and was subsequently...
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Influence Mechanism of Phase Change on Leaching of Metal Elements from Ternary Lithium-Ion Battery Waste in Citric Acid
Li, Ni and Co elements in ternary lithium-ion batteries are rare metal resources in China, and recycling these metal elements has a great...
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Extraction of Silica from Sugarcane Bagasse via Acid Leaching Treatment
Agriculture waste were produced for more than 1 million tons annually in our country. The disposal of the waste by open burning tend to bring...