Results 11 to 20 of about 250 (133)

Study on Electrochemical Performance of Dimensionally Stable Anodes during Zinc Electrowinning [PDF]

open access: yesArchives of Metallurgy and Materials, 2023
In zinc electrowinning, small amounts of manganese ions additives are needed in the electrolyte to reduce the corrosion of anodes and minimize the contamination of cathodic zinc by dissolved lead.
Wei Zhang   +3 more
doaj   +1 more source

Recovery of Zinc from Steelmaking Flue Dust by Hydrometallurgical Route [PDF]

open access: yesArchives of Metallurgy and Materials, 2020
Industrial steelmaking (EAF) flue dust was characterized in terms of chemical and phase compositions, leaching behaviour in 20% sulphuric acid solution as well as leaching thermal effect.
E. Rudnik
doaj   +1 more source

Evaluation and Current State of Primary and Secondary Zinc Production—A Review

open access: yesApplied Sciences, 2023
This article presents the history of zinc, its production and demand. The quantity of zinc production, both primary zinc from ores and concentrates, and secondary zinc from scrap and zinc-rich waste, was discussed.
Henryk Kania, Mariola Saternus
doaj   +1 more source

Modelling the Effect of Solution Composition and Temperature on the Conductivity of Zinc Electrowinning Electrolytes

open access: yesMetals, 2021
Zinc electrowinning is an energy-intensive step of hydrometallurgical zinc production in which ohmic drop contributes the second highest overpotential in the process.
Zulin Wang   +5 more
doaj   +1 more source

Atmospheric curing of zinc sulfide concentrate by sulfuric acid below 300°C [PDF]

open access: yesJournal of Mining and Metallurgy. Section B: Metallurgy, 2022
Because the traditional roasting-leaching-electrowinning zinc hydrometallurgy process has a small sulfuric acid sales radius and a high inventory pressure, the process of direct leaching zinc concentrate is gaining popularity, but the pressurized ...
Deng F.-L.   +4 more
doaj   +1 more source

Insight into electrochemical performance of porous FexSiy intermetallic anode for zinc electrowinning

open access: yesMaterials & Design, 2020
Pb pollution, which is provoked by lead-based anodes in large-scale industrial production, has seriously endangered human health and destroyed the ecological environment in the past decades.
Botao Shen   +9 more
doaj   +1 more source

Effects of Side-Chain Polyether Additive on Zinc Electrodeposition from Ammoniacal Solution

open access: yesInternational Journal of Electrochemical Science, 2020
A typical side-chain polyether, glycerol polyoxyethylene ether (GPE), was used as a single additive on zinc electrodeposition from ammoniacal solution.
Shenghai Yang   +5 more
doaj   +1 more source

Potentiodynamic Study of the Effects of Nickel on The Electrodeposition of Zinc from Chloride Media

open access: yesInternational Journal of Engineering and Management Sciences, 2023
. The potentiodynamic experiments of the nickel effects on the zinc electrodeposition have been done to understand the impact of Ni impurities on the electrowinning of Zn from spent pickling liquor.
Hanna Zakiyya, Tamás Kékesi
doaj   +1 more source

Adsorption Capacity of Organic Compounds Using Activated Carbons in Zinc Electrowinning

open access: yesEnergies, 2019
The influence of adsorbate (D2EPHA and kerosene) on the process of zinc electrowinning from sulfuric acid electrolytes was analyzed. The main objective was to critically compare three factors: (1) Three types of activated carbon (AC); (2) adsorption ...
Jung Eun Park   +3 more
doaj   +1 more source

Enhanced Mechanical Properties and Microstructure of Accumulative Roll-Bonded Co/Pb Nanocomposite

open access: yesNanomaterials, 2021
Lead composites have been used as anodes in the electrowinning process to produce metals such as copper and zinc. Manufacturing stable lead anodes with appropriate mechanical and chemical properties is required to improve the performance of the ...
Maryam Karbasi   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy