Results 21 to 30 of about 20,439 (294)

A review of acid recovery from acidic mining waste solutions using solvent extraction [PDF]

open access: yes, 2018
This is the peer reviewed version of the following article: Uchenna Kesieme, Andreas Chrysanthou, Maurizio Catulli, and Chu Yong Cheng, ‘A review of acid recovery from acidic mining waste solutions using solvent extraction’, Journal of Chemical ...
Catulli, Maurizio   +3 more
core   +2 more sources

Application of Ion Exchange for Preparation of Selected Metal Perrhenates—Precursors for Superalloy Production

open access: yesMetals, 2019
Methods for the preparation of selected metal perrhenates and their mixtures are presented in this paper. These materials are suitable for reduction, and therefore for production of alloy powders containing rhenium and other superalloy components, i.e ...
Katarzyna Leszczyńska-Sejda   +4 more
doaj   +1 more source

Hydrometallurgical extraction of Al and Si from kaolinitic clays [PDF]

open access: yes, 2017
Herein is presented the results of a study on the hydrometallurgic extractionand recovery of aluminum and silicon by leaching of kaolinitic clays with HF. Thestudied extraction parameters were: temperature, reaction time, solid/liquid ratio,concentration,
Pinna, Eliana Guadalupe   +3 more
core   +3 more sources

Development of an analytical model for the extraction of manganese from marine nodules [PDF]

open access: yes, 2019
Multivariable analytical models provide a descriptive (albeit approximate) mathematical relationship between a set of independent variables and one or more dependent variables.
Castillo Segura, Jonathan Alejandro   +5 more
core   +2 more sources

Method of Preparation for High-Purity Nanocrystalline Anhydrous Cesium Perrhenate

open access: yesMetals, 2017
This paper is devoted to the preparation of high-purity anhydrous nanocrystalline cesium perrhenate, which is applied in catalyst preparation. It was found that anhydrous cesium perrhenate with a crystal size <45 nm can be obtained using cesium ion ...
Katarzyna Leszczyńska-Sejda   +4 more
doaj   +1 more source

Recovery of sodium from alumina-extracted fly ash using concentrated sodium carbonate solution [PDF]

open access: yesJournal of Mining and Metallurgy. Section B: Metallurgy, 2018
A novel method for the recovery of sodium from alumina-extracted fly ash (AEFA) using concentrated Na2CO3 solution is presented. Sodium was efficiently extracted from AEFA, which was mainly composed of NaCaHSiO4.
Wang Z.   +4 more
doaj   +1 more source

Leaching of pure chalcocite in a chloride media using sea water and wastewater [PDF]

open access: yes, 2019
Chalcocite is the most important and abundant secondary copper ore in the world with a rapid dissolution of copper in an acid-chloride environment. In this investigation, the methodology of surface optimization will be applied to evaluate the e_ect of ...
Briceño Romero, Williams   +6 more
core   +2 more sources

Rhenium(VII) Compounds as Inorganic Precursors for the Synthesis of Organic Reaction Catalysts

open access: yesMolecules, 2019
Rhenium is an element that exhibits a broad range of oxidation states. Synthesis paths of selected rhenium compounds in its seventh oxidation state, which are common precursors for organic reaction catalysts, were presented in this paper.
Katarzyna Leszczyńska-Sejda   +9 more
doaj   +1 more source

Advances in Mineral Processing and Hydrometallurgy

open access: yesMetals, 2021
A Special Issue of Metals was commissioned that was devoted to aspects of Mineral Processing and Hydrometallurgy [...]
Corby G. Anderson, Hao Cui
doaj   +1 more source

The optimal use of tris-2-ethylhexylamine to recover hydrochloric acid and metals from leach solutions and comparison with other extractants [PDF]

open access: yes, 2018
This document is the Accepted Manuscript version of the following article: Uchenna Kesieme, Andreas Chrysanthou, Maurizio Catulli, and Chu Yong Cheng, ‘The optimal use of tris-2-ethylhexylamine to recover hydrochloric acid and metals from leach solutions
Catulli, Maurizio   +3 more
core   +2 more sources

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