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The role of ZnFe2O4 in the electrochemical performance of Pb-ceramic composite anode in sulfuric acid solution

期刊: HYDROMETALLURGY, 2021; 201 ()

The nonferrous metal electrowinning process is energy intensive due to the sluggish dynamics of the oxygen evolution reaction (OER) on the anode. Deve......

Fluorite enhanced magnesium recovery from serpentine tailings: Kinetics and reaction mechanisms

期刊: HYDROMETALLURGY, 2021; 201 ()

Assisted reagents are commonly introduced into acid leaching systems to improve metal recovery. In this work, fluorite was employed to accelerate magn......

Selective removal of arsenic from high arsenic dust in the NaOH-S system and leaching behavior of lead, antimony, zinc and tin

期刊: HYDROMETALLURGY, 2021; 202 ()

This work investigated the selective removal of arsenic from a lead-antimony-zinc-containing high arsenic dust in alkaline solution. The effects of so......

Enhanced leaching of Mo by mechanically co-grinding and activating MoS2 with NaClO3 as an oxidizing additive

期刊: HYDROMETALLURGY, 2021; 203 ()

The slow leaching rate of molybdenite (MoS2), due to its inert nature, and low recovery hinders the application of traditional hydrometallurgical proc......

Rubidium extraction from mineral and brine resources: A review

期刊: HYDROMETALLURGY, 2021; 203 ()

Rubidium is a rare alkali metal with high economic value and application potential. It is mainly recovered from the intermediate products of lithium/c......

An alternative method for the treatment of metallurgical arsenic-alkali residue and recovery of high-purity sodium bicarbonate

期刊: HYDROMETALLURGY, 2021; 202 ()

Arsenic-alkali residue (AAR) is one of the major hazardous solid wastes produced by the antimony (Sb) smelter industry and may pose a serious threat t......

New process consisting of oxidative stripping of vanadium from loaded D2EHPA organic solution with H2O2 and direct precipitation with sulfuric acid

期刊: HYDROMETALLURGY, 2021; 203 ()

The traditional process of extracting V(IV) with di(2-ethylhexyl) phosphoric acid (D2EHPA) uses H2SO4 for V stripping and ammonium salt for V precipit......

Successive calcination-oxalate acid leaching treatment of spent SCR catalyst: A highly efficient and selective method for recycling tungsten element

期刊: HYDROMETALLURGY, 2021; 201 ()

A simple successive calcination-H2C2O4 leaching method was employed to recycle the W in spent V2O5-WO3/ TiO2 catalyst with high efficiency. The result......

Peculiar shuttle-like nano-sized TiO(OH)(2)/C lithium ion sieve with improved adsorption rate and cycling reliability: Preparation and kinetics

期刊: HYDROMETALLURGY, 2021; 203 ()

The novel layered TiO(OH)(2)/C lithium ion sieve (LIS) with a higher adsorption rate, separation efficiency and excellent selective adsorption perform......

Migration distribution and recovery of rare earth elements in the nitrophosphate process of fertilizer production

期刊: HYDROMETALLURGY, 2021; 203 ()

This work aimed to investigate the migration distribution and recovery of rare earth elements (REEs) of phosphate concentrate in the nitrophosphate pr......

Effect of Mn2+ on the anodic film and corrosion behavior of Pb-Ca-Sn alloy anode in copper electrowinning

期刊: HYDROMETALLURGY, 2021; 202 ()

In this paper, the effect of Mn2+ (<= 160 mg/L) on the anodic film properties and corrosion behavior of Pb-0.07% Ca-1.25%Sn anodes in acidic CuSO4 ......

Development of pore structure characteristics of a weathered crust elution-deposited rare earth ore during leaching with different valence cations

期刊: HYDROMETALLURGY, 2021; 201 ()

To explore the evolution of characteristics of pore structure of a weathered crust elution-deposited rare earth orebody during the leaching process wi......

Arsenic behavior during the treatment of refractory gold ores via POX: Characterization of Fe-AsO4-SO4 precipitates

期刊: HYDROMETALLURGY, 2021; 203 ()

Arsenic is a common contaminant in refractory gold ores/concentrates and its accepted that total pressure oxidation (POX) is the most appropriate tech......

Electrolysis designed for clean production of selective iron products from coal fly ash leachate

期刊: HYDROMETALLURGY, 2021; 203 ()

With the development of society, solid waste, such as coal fly ash has caused serious environmental problems. Extraction of high value metals from coa......

Efficient extracting germanium and gallium from zinc residue by sulfuric and tartaric complex acid

期刊: HYDROMETALLURGY, 2021; 202 ()

This paper introduces an efficient extraction method based on organic and sulfuric complex acid system, to achieve the clean recovery of scattered met......

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