Results 81 to 90 of about 900 (198)
Synthesis and vibrational spectroscopic characterisation of synthetic hydrozincite and smithsonite [PDF]
, 2007 Hydrozincite and smithsonite were synthesised by controlling the partial pressure of CO2 . Previous crystallographic studies concluded that the structure of hydrozincite was a simple one.
Frost, Ray L., Hales, Matthew C.
core +1 more source
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
doaj +1 more source
Frontiers in Earth Science“Non-sulfide” Zn-Pb deposits are comprised of a series of non-sulfide minerals and are of crucial economic importance. Nonetheless, the metal sources for non-sulfide deposits are difficult to constrain by C-O isotopes due to possibly different sources of
Meng-Lun Li +3 more
doaj +1 more source
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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Dynamic and Controlled Rate Thermal analysis of hydrozincite and smithsonite [PDF]
, 2008 The understanding of the thermal stability of zinc carbonates and the relative stability of hydrous carbonates including hydrozincite and hydromagnesite is extremely important to the sequestration process for the removal of atmospheric CO2. The hydration-
W. Martens +11 more
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XPS & FTIR study of adsorption characteristics using cationic and anionic collectors on smithsonite
, 2006 The adsorption of cationic and anionic collectors on the surface of smithsonite was studied using diffuse reflectance FTIR (DRIFT) and X-ray photoelectron spectroscopy (XPS or ESCA) techniques.
Forssberg, Eric +4 more
core +1 more source
Flotation Separation of Smithsonite from Calcite Using Cupferron as a Collector
, 2023 The flotation separation of smithsonite and calcite is difficult due to their similar surface properties. In this study, cupferron was applied as a collector to realize the separation of smithsonite and calcite.
Xin Wang +7 more
core +1 more source
Mineralogy and geochemistry of sulfide-bearing tailings from silver mines in the Taxco, Mexico area to evaluate their potential environmental impact [PDF]
Geofísica Internacional, 2005 Six sulfide-bearing, flotation tailings dams and one waste-rock dump from epithermal Pb-Zn-Ag-Cu deposits in Taxco, Guerrero have been mineralogically and geochemically characterized to evaluate their potential environmental impact.
Néstor Flores Mundo +5 more
doaj
Physicochemical studies of smithsonite flotation using mixed anionic/cationic collector
, 2007 In this study, the flotation behaviour and surface adsorption of smithsonite were investigated using various concentration ratios of potassium amyl xanthate (KAX) and dodecylamine (DDA) in a surfactant mixture.
Forssberg, Eric,, Hosseini, S. H.
core +1 more source
CONCENTRATING THE Zn-Pb SAMPLE FROM NIGNAN ORE DEPOSIT
Rudarsko-geološko-naftni ZbornikThe aim of the present study is to increase the grade of zinc from lead and zinc ore from the Noahang (Chah-Ahan) area of the Nignan deposit to more than 40% Zn, using the flotation method.
Maryam Abedi Moghadam +2 more
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