Silver recovery from spent silver oxide button cells

S Aktas - Hydrometallurgy, 2010 - Elsevier
The present work investigates a hydrometallurgical process for silver recovery from spent
silver oxide button cells. The effects of acid concentration, reaction temperature, reaction …

Kinetics of galena dissolution in nitric acid solutions with hydrogen peroxide

S Aydoğan, M Erdemoğlu, G Uçar, A Aras - Hydrometallurgy, 2007 - Elsevier
The extraction of lead from a galena concentrate in nitric acid solutions with additional
hydrogen peroxide was studied taking stirring speed, temperature, hydrogen peroxide and …

Kinetics of sphalerite dissolution by sodium chlorate in hydrochloric acid

G Uçar - Hydrometallurgy, 2009 - Elsevier
The extraction of zinc from a sphalerite concentrate using sodium chlorate as an oxidant in
hydrochloric acid solutions was examined. It was determined that stirring speed did not …

Kinetics of uranium and iron dissolution by sulfuric acid from Abu Zeneima ferruginous siltstone, Southwestern Sinai, Egypt

BM Atia, MA Gado, MF Cheira - Euro-Mediterranean Journal for …, 2018 - Springer
This study deals with kinetic studies of uranium and iron dissolution using sulfuric acid from
Abu Zeneima ferruginous siltstone, Southwestern Sinai, Egypt. The importance of this study …

Investigations on the mechanisms of sulfuric acid leaching of chalcopyrite in the presence of hydrogen peroxide

PA Olubambi, JH Potgieter - Mineral Processing & Extractive …, 2009 - Taylor & Francis
The sulfuric acid leaching behavior of chalcopyrite in the presence of hydrogen peroxide
was studied at 25° C using electrochemical techniques. The effects of increasing the …

Dissolution kinetics of smithsonite ore as an alternative zinc source with an organic leach reagent

M Hurşit, O Laçin, H Saraç - Journal of the Taiwan Institute of Chemical …, 2009 - Elsevier
In this study, the dissolution kinetics of smithsonite ore in aqueous gluconic acid solutions is
investigated in a batch reactor by using the parameters such as temperature, acid …

Leaching chalcopyrite with sodium chlorate in hydrochloric acid solution

YJ Xian, SM Wen, JS Deng, J Liu… - Canadian Metallurgical …, 2012 - Taylor & Francis
Sodium chlorate was used as an oxidant for the chalcopyrite leaching in a hydrochloric acid
solution. The hydrochloric acid concentration has an important effect on the dissolution of …

[PDF][PDF] 硫酸浸出赤泥中铁, 铝, 钛的工艺研究

王琪, 姜林 - 矿冶工程, 2011 - kygczz.com
采用硫酸作为浸出剂, 研究了赤泥中3 种金属铁, 铝和钛的浸出工艺. 通过考察反应温度,
反应时间, 液固比, 硫酸浓度, 赤泥颗粒粒径, 焙烧温度, 焙烧时间对浸出率的影响, 确定了3 …

Leaching and kinetic modelling of low-grade calcareous sphalerite in acidic ferric chloride solution

R Dehghan, M Noaparast, M Kolahdoozan - Hydrometallurgy, 2009 - Elsevier
The leaching kinetics of a low grade-calcareous sphalerite concentrate containing 38%
ankerite and assaying 32% Zn, 7% Pb and 2.2% Fe was studied in HCl–FeCl3 solution. An …

A novel zero emission concept for electrogenerated chlorine leaching and its application to extraction of platinum group metals from spent automotive catalyst

M Kim, S Park, J Lee, PK Choubey - Hydrometallurgy, 2016 - Elsevier
In this study, a new concept for recycling of chlorine during electrogenerated chlorine
leaching has been investigated and applied to the leaching of spent automotive catalyst …