Results 81 to 90 of about 839 (198)
Effects of Sodium Citrate on the Ammonium Sulfate Recycled Leaching of Low-Grade Zinc Oxide Ores
High Temperature Materials and Processes, 2016 The effects of sodium citrate on ammonium sulfate recycled leaching of low-grade zinc oxide ores were studied. By applying various kinds of detection and analysis techniques such as chemical composition analysis, chemical phase method, scanning electron ...
Yang Kun +5 more
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Investigation of the Leaching Kinetics of Zinc from Smithsonite in Ammonium Citrate Solution
MetalsIn this study, the response surface method is used to develop a model for analyzing and optimizing zinc leaching experiments. An investigation into the leaching kinetics of smithsonite in ammonium citrate solution is also conducted.
Huiqin Chen, Dandan Wu, Ziang Wang
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Geochemical Study of the My Duc Pb-Zn Deposits in Vietnam [PDF]
Geo DataThis study presents a comprehensive geochemical investigation of the undeveloped Pb-Zn mineral deposits in the My Duc area of Quang Binh Province, central Vietnam.
Injoon Kim, Hong-Jin Lee
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, 2020 Sulfidization is required in the amine flotation of smithsonite; however, the sulfidization mechanism of smithsonite is still not fully understood. In this work, X-ray photoelectron spectroscopy (XPS), atomic force microscopy (AFM) and UV–vis ...
Zhicheng Liu +5 more
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Frontiers in Environmental Science, 2015 Mine tailings in African countries Zambia and Namibia have been investigated with an objective to determine the role of secondary hematite in immobilization of contaminants.
Sracek eOndra
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Smithsonite flotation using potassium amyl xanthate and hexylmercaptan
, 2006 The influence of potassium amyl xanthate (KAX) and hexylmercaptan (HM) adsorption on smithsonite surface at various concentrations were investigated through using zeta potential, contact angle, microflotation and diffuse reflectance FTIR studies at ...
Forssberg, Eric,, Hosseini, S. H.
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Cationic flotation of smithsonite and dolomite from Brazilian Ambrósia Norte Deposit
REM: International Engineering JournalThe flotation of low-grade oxidized zinc ores has been commonly used to produce marketable concentrates for many years. Several flotation routes are being successfully used: cationic, anionic and a mixture of anionic and cationic. The choice of the route
Tamíris Fonseca Souza +1 more
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Structural Alterations in Smithsonite during High-Energy Ball Milling [PDF]
, 2017 Smithsonite, ZnCO3, from Zamanti-Kayseri, Turkey, was subjected to high-energy milling. X-ray diffraction analysis was performed to study amorphisation in the structure and the alterations of bands in the structure were investigated by Fourier transform ...
Yıldız, Kenan +10 more
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Effect of depressants in the selective flotation of smithsonite and calcite using potassium lauryl phosphate as collector [PDF]
, 2019 In order to selectively separate smithsonite and calcite using potassium lauryl phosphate as collector and reveal the depression mechanism, the approaches of micro-flotation and zeta potential measurements were adopted.
Sun, Qing, Feng, Qiming, Shi, Qing
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Synthesis and characterisation of substituted smithsonite and calcite [PDF]
, 2008 Carbonate minerals play a very important role in nature, they represent some of the most diverse and common mineral species on the Planet. They are directly involved in the carbon dioxide (CO2) cycle acting as relatively stable long term chemical storage
Hales, Matthew Cameron
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