Results 21 to 30 of about 48,008 (267)
Experimental Study on Cyanidation Leaching of a Low-grade Gold Mine in Guangxi
Kuangchan zonghe liyong, 2023 Gold content of a low-grade gold ore in Guangxi is 1.29 g/t, the gangue minerals are mainly quartz, and the content of non-ferrous metals such as copper, lead, zinc and other harmful elements arsenic is extremely low.
Linsong Yuan +5 more
doaj +1 more source
Leaching of vanadium, potassium, and iron from spent catalyst of the manufacture of sulfuric acid
Journal of Materials Research and Technology, 2021 The sulfuric acid industry produces large volumes of spent catalyst containing vanadium. To develop an efficient method for vanadium recovery, hydrogen peroxide was used to oxidize sulfur in the spent catalyst, forming sulfuric acid, which, in turn ...
Liushun Wu +4 more
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Весці Нацыянальнай акадэміі навук Беларусі: Серыя фізіка-тэхнічных навукStudies have been carried out to determine the main parameters characterizing the quality of cement compounds: 137Cs leaching rate and mechanical strength.
T. G. Leontieva +3 more
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Yankuang ceshi, 2018 BACKGROUND The accurate determination of ionic phase rare earths in ion-adsorption rare earths is of great significance for the evaluation of rare earth ore bodies. Ionic phase rare earths are adsorbed on clay minerals in the form of hydroxyl or hydrated
ZHANG Lei +5 more
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Zhongguo shipin weisheng zazhiObjectiveTo investigate the pollution status of lead （Pb）， cadmium （Cd）， arsenic （As）， mercury （Hg） and chromium （Cr） in Ganoderma lucidum sold in Lishui City and to evaluate the exposure risk of toxic and harmful elements among consumers in Lishui City ...
JI Lyu +6 more
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Different Treatments of Zinc Oxide Ore in Caustic Leaching Process
Kuangchan zonghe liyong, 2022 Resource recycling of Zinc oxide ore is an important concern in zinc smelting industry at present. In this study, comparison of ultrasonic-assisted and traditional treatment of zinc oxide ore with caustic leaching process was investigated.
Jie Yuan +3 more
doaj +1 more source
Kuangchan zonghe liyong, 2023 This is an essay in the field of metallurgical engineering. The effects of crushing particle size and leaching conditions on the leaching of lithium cobalt from spend lithium-ion batteries in the citric acid environment were studied, which provided some ...
Guiming Shi +3 more
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Advanced Engineering Materials, EarlyView.Scandium (Sc)‐doped AlCoCrFeMo HEA coatings are fabricated via flame spraying with 0.1, 0.3, and 0.5 wt% Sc additions. Among these, the HEA‐Sc0.3 coating exhibits the highest corrosion resistance, indicated by a more positive corrosion potential and lower current density.
Pankaj Kumar +7 more
wiley +1 more source
Continuous Leaching Test of Ion-type Rare Earth Ore at Different Depths
Kuangchan zonghe liyong, 2023 This is an essay in the field of metallurgical engineering. The ion-type rare earth ore in Ganzhou was treated as the research object. Continuous stirring leaching and column leaching were used to study the leaching of rare earth and impurity elements in
Chao Li +5 more
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Laser‐Induced Graphene from Waste Almond Shells
Advanced Functional Materials, EarlyView.Almond shells, an abundant agricultural by‐product, are repurposed to create a fully bioderived almond shell/chitosan composite (ASC) degradable in soil. ASC is converted into laser‐induced graphene (LIG) by laser scribing and proposed as a substrate for transient electronics.
Yulia Steksova +9 more
wiley +1 more source