Beneficiation of High-Phosphorus Siderite Ore by Acid Leaching and Alkaline Oxide Reinforced Carbothermic Reduction-Magnetic Separation Process
Sign Up to like & getrecommendations! Published in 2017 at "Steel Research International"
DOI: 10.1002/srin.201600314
Abstract: In this study, the beneficiation of high-phosphorus siderite ore by acid leaching dephosphorization, alkaline oxide reinforced carbothermic reduction and magnetic separation is investigated. X-ray diffraction (XRD), scanning electron microscopy (SEM), and energy-dispersive analysis (EDS) are… read more here.
Keywords: reduction; magnetic separation; acid leaching; siderite ... See more keywords
Combined use of CaCl2 roasting and nitric acid leaching for the removal of uranium and radioactivity from uranium tailings
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Radioanalytical and Nuclear Chemistry"
DOI: 10.1007/s10967-020-07272-9
Abstract: Calcium chloride (CaCl2) roasting and nitric acid (HNO3) leaching were combined to remove uranium and radioactivity from uranium tailings. The results show that the uranium and gross α and β radioactivity removal efficiencies improve with… read more here.
Keywords: acid leaching; cacl2 roasting; uranium tailings; radioactivity ... See more keywords
Effect of Thermal Pretreatment and Acid Leaching on the Removal of Boron from Metallurgical Grade Silicon
Sign Up to like & getrecommendations! Published in 2018 at "Oxidation of Metals"
DOI: 10.1007/s11085-018-9874-1
Abstract: The present work aims at investigating the impact of thermal pretreatment and acid leaching (HCl–HF) on the boron removal efficiency of metallurgical grade silicon (MG-Si). The impact of various parameters, involving oxidation temperature (700–1200 °C), oxidation… read more here.
Keywords: pretreatment acid; thermal pretreatment; oxidation; acid leaching ... See more keywords
Thermal Behavior of Pyrophyllite Ore during Calcination for Thermal Activation for Aluminum Extraction by Acid Leaching
Sign Up to like & getrecommendations! Published in 2020 at "Clays and Clay Minerals"
DOI: 10.1007/s42860-019-00061-w
Abstract: In the production of alumina (Al 2 O 3 ) from clays by acid leaching, thermal activation by calcination is applied widely as a pre-treatment to improve the dissolution of aluminum. Previous studies have focused… read more here.
Keywords: calcination; acid leaching; aluminum extraction; aluminum ... See more keywords
Selective recovery of vanadium and scandium by ion exchange with D201 and solvent extraction using P507 from hydrochloric acid leaching solution of red mud.
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DOI: 10.1016/j.chemosphere.2017.02.083
Abstract: D201 resin and P507 extractant diluted with sulfonated kerosene were used to respectively separate vanadium and scandium, and impurity ions from hydrochloric acid leaching solution of red mud. More than 99% of vanadium was selectively… read more here.
Keywords: acid leaching; leaching solution; solution; hydrochloric acid ... See more keywords
Preparation of LiNi0.8Co0.1Mn0.1O2 cathode materials from the hydrochloric acid leaching of laterite: A short and low-cost process
Sign Up to like & getrecommendations! Published in 2020 at "Hydrometallurgy"
DOI: 10.1016/j.hydromet.2020.105370
Abstract: Abstract The direct preparation of LiNi0.8Co0.1Mn0.1O2 (LNCM811) cathode materials from the hydrochloric acid leaching of laterite are promising; however, there are Cl− ions and other impurities in the hydrochloric acid leaching solution, thereby limiting the… read more here.
Keywords: acid leaching; cathode materials; process; solution ... See more keywords
Successive calcination-oxalate acid leaching treatment of spent SCR catalyst: A highly efficient and selective method for recycling tungsten element
Sign Up to like & getrecommendations! Published in 2021 at "Hydrometallurgy"
DOI: 10.1016/j.hydromet.2021.105576
Abstract: Abstract A simple successive calcination-H2C2O4 leaching method was employed to recycle the W in spent V2O5-WO3/TiO2 catalyst with high efficiency. The results showed that W partially reacts with calcium and form CaWO4 after the first… read more here.
Keywords: successive calcination; catalyst; calcination oxalate; calcination ... See more keywords
Enhancement of copper recovery by acid leaching of high-mud copper oxides: A case study at Yangla Copper Mine, China
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Cleaner Production"
DOI: 10.1016/j.jclepro.2018.08.122
Abstract: Abstract Poor permeability, high mud and impurities contents, severe curing conditions and ore complexity are primary challenges faced by Yangla Copper Mine (YCM) during acid leaching, resulting in a poor 1% copper extraction after 3… read more here.
Keywords: acid leaching; copper; copper oxides; high mud ... See more keywords
Surfactant-assistant atmospheric acid leaching of laterite ore for the improvement of leaching efficiency of nickel and cobalt
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Cleaner Production"
DOI: 10.1016/j.jclepro.2019.04.305
Abstract: Abstract Atmospheric acid leaching has attracted great attention from scientists due to the mild leaching conditions. However, the leaching efficiency of nickel is lower than that using high pressure acid leaching. Herein, we report the… read more here.
Keywords: atmospheric acid; ore; leaching efficiency; acid leaching ... See more keywords
Vanadium extraction from roasted vanadium-bearing steel slag via pressure acid leaching
Sign Up to like & getrecommendations! Published in 2021 at "Journal of environmental chemical engineering"
DOI: 10.1016/j.jece.2021.105195
Abstract: Abstract In this study, pressure acid leaching technology was used to extract vanadium from vanadium-bearing steel slag, and the optimum parameters and mechanism for vanadium extraction were investigated. Pressure acid leaching significantly enhanced vanadium leaching… read more here.
Keywords: acid leaching; pressure acid; vanadium; vanadium bearing ... See more keywords
Recovery of vanadium from calcification roasted-acid leaching tailing by enhanced acid leaching.
Sign Up to like & getrecommendations! Published in 2019 at "Journal of hazardous materials"
DOI: 10.1016/j.jhazmat.2019.02.081
Abstract: Vanadium contained tailing generated from the typical calcium roasting-acid leaching process is contaminant and waste of resource. Atmospheric and pressurized leaching were conducted and compared to recover the vanadium from the vanadium tailing and improve… read more here.
Keywords: extraction; acid leaching; recovery vanadium; vanadium calcification ... See more keywords