Results 11 to 20 of about 46,436 (267)

Recovery of Gold from the Refractory Gold Concentrate Using Microwave Assisted Leaching

open access: yesMetals, 2020
Microwave technology has been confirmed to be suitable for use in a wide range of mineral leaching processes. Compared to conventional leaching, microwave-assisted leaching has significant advantages.
Kanghee Cho   +5 more
doaj   +1 more source

Acid Leaching Performance of Gibbsite-type Bauxite with High Iron Content

open access: yesKuangchan zonghe liyong, 2022
High-iron bauxite with low A/S ratio cannot be extracted economically by Bayer process. Taking a low-grade gibbsite ore abroad as the research object, the acid leaching performance of gibbsite was studied by using hydrochloric acid as leaching medium ...
Aichun Zhao, Ting’an Zhang, Guozhi Lv
doaj   +1 more source

Selective Leaching Process of Waste Lithium Iron Phosphate Cathode Powder

open access: yesKuangchan zonghe liyong, 2023
This is an essay in the field of metallurgical engineering. Using waste lithium iron phosphate battery cathode powder as raw material, a study on lithium selective leaching with Na2S2O8 as oxidant and low concentration acetic acid as aleaching agent was ...
Wei Wang   +5 more
doaj   +1 more source

Recovery of Barium Ions from a Barium Residue in Guizhou by Hydrochloric Acid Leaching

open access: yesKuangchan zonghe liyong, 2023
A large amount of barium slag accumulation will cause great harm to the environment. The use of hydrochloric acid leaching for barium residue can effectively recover the residual soluble barium salt in the barium residue and greatly reduce the harm of ...
Dewei Li   +4 more
doaj   +1 more source

Comparison of Butyric Acid Leaching Behaviors of Zinc from Three Basic Oxygen Steelmaking Filter Cakes

open access: yesMetals, 2019
The selective leaching of zinc from three different basic oxygen steelmaking (BOS) filter cakes by butyric acid was investigated to compare the leaching behaviors of zinc and further to establish the correlation of the zinc leaching performances and the ...
Jingxiu Wang   +3 more
doaj   +1 more source

Selective dissolution of vanadium(V) from spent petroleum catalysts by oxalic acid solution [PDF]

open access: yesJournal of Mining and Metallurgy. Section B: Metallurgy, 2020
The spent petroleum catalyst contains a significant amount of vanadium and its recovery is essential. Oxalic acid has good metal selectivity due to its complex properties.
Le M.N., Lee M.S.
doaj   +1 more source

Acid leaching of Turkish celestite concentrate

open access: yesHydrometallurgy, 2004
Abstract The grade of final celestite concentrate is as high as 95–96% after jigging and table washing operations applied by Barit Maden Turk in Turkey. Celestite concentrate contains 95% SrSO 4 , and 3% CaSO 4 , 0.5%BaSO 4 , 0.5% SiO 2 , 0.5%Fe 2 O 3 as major impurities.
Dogan, H, Koral, M, Kocakusak, S
openaire   +2 more sources

Reclamation of steel shots by acid leaching for powder metallurgy applications

open access: yesAdvances in Mechanical Engineering, 2019
Acid leaching is extensively employed for extractive metallurgy, but its use on reclamation of shot blasting media has not been extensively studied. The parameters of acid leaching process such as rate of stirring, the leached material grain size, the ...
Yu Jun Jie   +7 more
doaj   +1 more source

Leaching of Sm, Co, Fe, and Cu from Spent SmCo Magnets Using Organic Acid

open access: yesMetals, 2023
In this study, the Taguchi method was used to investigate the effect of citric acid and malic acid on the leaching of SmCo magnet waste. First, we used a L16(45) orthogonal table to conduct experiments.
Jian-Zhi Wang   +2 more
doaj   +1 more source

Acid leached rice husk ash (ARHA) in concrete: A review

open access: yesMaterials Science for Energy Technologies, 2020
The incorporation of Rice Husk Ash (RHA) is getting popular due to increasing awareness on the environmental impacts result by high production of ordinary Portland cement (OPC). RHA is reported to have high silica (SiO2) content. However, the application
Wai Hoe Kwan, Yong Seng Wong
doaj   +1 more source

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