Results 11 to 20 of about 5,347,175 (310)

Impacts of metal stress on extracellular microbial products, and potential for selective metal recovery.

Ecotoxicology and Environmental Safety, 2023
Harnessing microbial capabilities for metal recovery from secondary waste sources is an eco-friendly and sustainable approach for the management of metal-containing wastes. Soluble microbial products (SMP) and extracellular polymeric substances (EPS) are
Parvin Hasani Zadeh, F. Fermoso, G. Collins, A. Serrano, S. Mills, F. Abram   +5 more
semanticscholar   +1 more source

Metal Recovery from Wastewater Using Electrodialysis Separation

Metals, 2023
Electrodialysis is classified as a membrane separation process in which ions are transferred through selective ion-exchange membranes from one solution to another using an electric field as the driving force. Electrodialysis is a mature technology in the
M. M. Cerrillo-Gonzalez, M. Villen‐Guzman, J. M. Rodríguez-Maroto, J. Paz-García   +3 more
semanticscholar   +1 more source

Recovery of precious metals from processed wastewater: conventional techniques nexus advanced and pragmatic alternatives

Journal of Water Reuse and Desalination, 2023
The loss of highly sought-after metals such as gold, silver, and platinum during extraction processes not only constitutes a significant waste of valuable resources but also contributes to alarming environmental pollution.
Adeyemi Ojutalayo Adeeyo, Olugbenga Solomon Bello, Oluwatobi Samuel Agboola, Rebecca Oyedoyin Adeeyo, Joshua Akinropo Oyetade, Mercy Adewumi Alabi, Joshua Nosa Edokpayi, Rachel Makungo   +7 more
doaj   +1 more source

Extraction Of Cobalt From Spent CMB Catalyst Using Supercritical CO2

Archives of Metallurgy and Materials, 2015
The metal extraction from spent CMB catalyst using supercritical CO2(scCO2) was investigated with single organic system, binary organic system and ternary organic system to extract metal ions. Leaching solution of spent CMB catalyst containing 389 mg L−1
Joo S.-H., Shin S.M.
doaj   +1 more source

Toxic Metal Recovery from Waste Printed Circuit Boards: A Review of Advanced Approaches for Sustainable Treatment Methodology

Advances in Materials Science and Engineering, 2022
The rapid advancement of technical advancements has resulted in the generation of substantial amount of electronic trash (e-waste). The volume of e-waste created, as well as the presence of both dangerous and beneficial elements, enhances the business ...
Murugesan Manikkampatti Palanisamy, V. Myneni, Badhane Gudeta, S. Komarabathina   +3 more
semanticscholar   +1 more source

Microbially-Produced Organic Acids as Leaching Agents for Metal Recovery Processes

Advances in microbiology, 2022
Minerals have been important throughout history, but nowadays, their use has increased, as well as their extraction needs. Therefore, due to the growing demand for metals, and both the depletion of high-grade ores and their related environmental concerns,
I. A. Cruz-Rodríguez, N. Rojas-Avelizapa, A. Rivas-Castillo   +2 more
semanticscholar   +1 more source

2-Mercaptobenzimidazole derivative of chitosan for silver sorption – Contribution of magnetite incorporation and sonication effects on enhanced metal recovery

Chemical Engineering Journal, 2021
The recycling of precious and strategic metals from secondary resources (including E-wastes) is of critical importance for the recovery of scarce metals widely used in High-Tech devices.
K. Elwakeel, A. Al-Bogami, E. Guibal
semanticscholar   +1 more source

An overview of brine management: Emerging desalination technologies, life cycle assessment, and metal recovery methodologies.

Journal of Environmental Management, 2021
This study examines which management methods are the most recent and advanced in managing rejected brine generated from desalination plants. It also provides up-to-date information regarding the most adequate technologies that generate a minimum quantity
A. S. Bello, N. Zouari, Dana A. Da’ana, J. Hahladakis, M. Al‐Ghouti   +4 more
semanticscholar   +1 more source

Pyrometallurgical treatment of jarosite residue with a mixture of CaO, SiO2, and CaSi [PDF]

Journal of Mining and Metallurgy. Section B: Metallurgy
During the electrolytic production of zinc, the iron in solutions is mainly controlled by the precipitation of jarosite. This precipitate also contains valuable metals (Zn, Pb, Cu, Ag) and toxic elements (Hg, Cd, As).
Jiménez-Lugos C., Flores-Favela M., Romero-Serrano A., Hernández-Ramírez A., López-Rodríguez J., Cruz-Ramírez A., Colin-García E.   +6 more
doaj   +1 more source

Rota hidrometalúrgica de recuperação de molibdênio, cobalto, níquel e alumínio de catalisadores gastos de hidrotratamento em meio ácido Hydrometallurgical route to recover molybdenum, nickel, cobalt and aluminum from spent hydrotreating catalysts in acid medium

Química Nova, 2008
This work describes a hydrometallurgical route for processing spent commercial catalysts (CoMo and NiMo/Al2O3). Samples were preoxidized (500 ºC, 5 h) in order to eliminate coke and other volatile species present.
Ivam Macedo Valverde Júnior, Jéssica Frontino Paulino, Julio Carlos Afonso   +2 more
doaj   +1 more source