Results 31 to 40 of about 548 (179)

Treatment of Secondary Raw Materials by Innovative Processes

Chemistry Journal of Moldova: General, Industrial and Ecological Chemistry, 2019
This paper presents an overview of the various innovative methodologies used in the recovery of valuable metals and critical raw materials from secondary sources.
Stefano Ubaldini, Daniela Guglietta, Francesca Trapasso, Serena Carloni, Daniele Passeri, Adalgisa Scotti   +5 more
doaj   +1 more source

Valorization of Mining Waste by Application of Innovative Thiosulphate Leaching for Gold Recovery

Metals, 2019
The metals and industrial minerals contained in the tailings of mining and quarrying activities, can degrade natural environments as well as human health.
Stefano Ubaldini, Daniela Guglietta, Francesco Vegliò, Veronica Giuliano   +3 more
doaj   +1 more source

Tellurium Electrochemistry: From Mechanistic Analysis in Diverse Electrolytic Media to Advanced Energy Storage Applications

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
As a metalloid with broad prospects in advanced applications, Te has not been fully clarified in terms of its intricate electrochemical behaviors across varied systems. This review systematically integrates fundamental electrochemical mechanisms, reaction kinetics identifications, and device application insights, establishing a comprehensive framework ...
Meng Zhang, Jiguo Tu, R. Vasant Kumar, Libo Chen, Tangkai Wu, Lili Jiang, Shuqiang Jiao   +6 more
wiley   +1 more source

Electrowinning of Iron from Spent Leaching Solutions Using Novel Anion Exchange Membranes

Membranes, 2019
In the Pyror process, electrowinning (EW) is used to recover acid and iron from spent leaching solutions (SLS), where a porous Terylene membrane acts as a separator between the cathode and anode. In this study, a novel anion exchange membrane (AEM)-based
Wouter Dirk Badenhorst, Cloete Rossouw, Hyeongrae Cho, Jochen Kerres, Dolf Bruinsma, Henning Krieg   +5 more
doaj   +1 more source

Recycling End‐of‐Life Solid Oxide Cell Interconnect Assemblies into Commercial‐Grade AISI 304 Stainless Steels

steel research international, EarlyView.
This study validates a recycling pathway for converting interconnect assemblies from end‐of‐life SOC stacks into commercial‐grade AISI 304 steels. Using scrap‐based steelmaking operations, austenitic cast steels with <4.0% δ‐ferrite are successfully produced.
Jeraldine Lastam, Shine‐Od Mongoljiibuu, Alexander Specht, Daniel Grüner, Dmitry Sergeev, Urs A. Peuker, Michael Müller, Ruth Schwaiger   +7 more
wiley   +1 more source

Recovering Critical Elements From Wastewater for Battery Materials: A Review

Rare Metals, Volume 45, Issue 7, July 2026.
ABSTRACT Driven by global carbon neutrality goals, the transition toward a circular economy and sustainable resource management has become increasingly imperative. Given the indispensable role of battery technologies in modern energy storage systems, strategic elements such as lithium (Li), cobalt (Co), and nickel (Ni)—identified by the European ...
Ting Lei, Yi Jing, Wenbo Lv, Yunfeng Li, Ning Wang, Jianan Wang   +5 more
wiley   +1 more source

Geometric Analysis of the Scaling of the Manganese Recovery Process Using Current Distribution and Potential Simulation Techniques

Metals
Electrolytic metallic manganese (EMM) is used as an alloying metal to provide resistance to abrasion and corrosion. Highly pure EMM is obtained through electrorecovery or electrowinning.
Esaú M. Rodríguez Vigueras, Victor E. Reyes Cruz, Felipe M. Galleguillos Madrid, José A. Cobos Murcia, Quinik L. Reyes Morales, Gustavo Urbano Reyes, Marissa Vargas Ramírez, Felipe Legorreta García, Marinka Varas   +8 more
doaj   +1 more source

Electrowinning of cobalt from sulfate-chloride and sulfate solutions of cobalt and manganese under dynamic conditions

Записки Горного института, 2017
The design of an electrolyzer for electrowinning in dynamic conditions is developed. The dependence of the results of electrowinning of cobalt and manganese from sulfate and sulfate-chloride solutions under dynamic conditions using a titanium cathode and
L. P. Khomenko, L. A. Voropanova, Z. A. Gagieva   +2 more
doaj   +1 more source

Copper Recovery and Reduction of Environmental Loading from Mine Tailings by High-Pressure Leaching and SX-EW Process

Metals, 2021
The flotation tailings obtained from Bor Copper Mine contain pyrite (FeS2) and chalcopyrite (CuFeS2), these sulfide minerals are known to promote acid mine drainage (AMD) which poses a serious threat to the environment and human health.
Labone L. Godirilwe, Kazutoshi Haga, Batnasan Altansukh, Yasushi Takasaki, Daizo Ishiyama, Vanja Trifunovic, Ljiljana Avramovic, Radojka Jonovic, Zoran Stevanovic, Atsushi Shibayama   +9 more
doaj   +1 more source

Review of Electrochemical Methods for Battery Recycling

Chemie Ingenieur Technik, Volume 98, Issue 5, Page 191-211, May 2026.
Electrochemical methods for the recycling of batteries are reviewed and different approaches for enhanced leaching, separation, and recovery methods are compared regarding their efficiency and suitability for potential application. ABSTRACT Research on innovative methods for the recycling of battery waste materials using electrochemical procedures is ...
Christian Modrzynski
wiley   +1 more source