Results 71 to 80 of about 2,599 (228)
Physical-chemical and Biological-chemical Methods for Treatment of Acid Mine Drainage
Chemical Engineering Transactions, 2012 The main goal of the article was to demonstrate the technical feasibility of the heavy metals removal from the acid mine drainage coming from a lead and zinc mine located in Tùnel Kingsmill outlet of the Rio Yaulì (district of Yauli – Perù) using ...
A. Luptakova +3 more
doaj +1 more source
Optimizing the operating conditions of gold elution and electrowinning for Tau Lekoa stream at Kopanang gold plant [PDF]
, 2008 The final gold product of Tau Lekoa mine has a low fineness. This is caused by high concentration of bases metals in the reefs. Some of these base metals together with gold are leached with cyanide and are loaded into carbon. If not adequately controlled,
Lunga, Alfred Lodi
core
Global Challenges, Volume 9, Issue 4, April 2025.This Perspective highlights sustainable strategies to convert municipal solid waste into functional materials. It discusses innovative methods to transform organic waste into carbon materials, plastic and metal wastes into metal–organic frameworks. It includes precious metals' recovery using green hydrometallurgy.
Abdelaziz Gouda +5 more
wiley +1 more source
Life cycle indicator comparison of copper, silver, zinc and aluminum nanoparticle production through electric arc evaporation or chemical reduction [PDF]
, 2015 Ways to produce metallic nanoparticles and the scale-up of these processes have seen increased interest as the industrial application of nanoparticles continues to grow.
Gregory Metha +2 more
core +2 more sources
Chemistry–Methods, Volume 5, Issue 3, March 2025.Different electrochemical and physicochemical methods employed for metal recovery and removal from various sources are presented herein, along with their key performance indicators. The main strengths and weaknesses of each technology are discussed in a comparative manner, when possible.
Stefanos Mourdikoudis +1 more
wiley +1 more source
Oxygen Evolution Overpotentials of Lead Oxide and Ruthenium Oxide prepared by Reactive Sputtering
Journal of MMIJ, 2016 The Pb oxide and Ru oxide films with various compositions were prepared by reactive sputtering using mixed gas of Ar and O2, and those anodic polarization properties were investigated in a 150 g L-1 H2SO4 solution at 303–333 K.
Masami TAGUCHI +2 more
doaj +1 more source
Selective Recovery of Manganese from Anode Sludge Residue by Reductive Leaching
ChemEngineering, 2020 Manganese-containing anode sludge is a common side-product in the electrowinning of zinc. The anode sludge consists mainly of oxidized manganese, but also lesser amounts of lead, calcium, and other minor metals. The impurities present in the anode sludge
Toni Kauppinen +3 more
doaj +1 more source
Critical aspects in the management of new technologies: A case study [PDF]
The good and effective management of a new technology is fundamental for its success not only among the scientific and technical community, but especially for its entry and expansion in the market.
Monica Cariola
core
European Journal of Inorganic Chemistry, Volume 28, Issue 4, February 3, 2025.Copper is a fundamental transition metal with wide‐ranging applications in chemistry, technology, and society. Its recovery and recycling are vital to support the increasing demands of energy transition and digitalization. In this context, coordination chemistry plays a crucial role in developing sustainable and environmentally friendly processes for ...
Pietro Ostellari, Silvia Gross
wiley +1 more source
Research and prospect of gallium recovery technology in zinc smelting
工程科学学报Gallium is an important dispersive metal with widespread applications in high-tech fields such as semiconductor materials, optoelectronics, and radio technology.
Wei ZHANG +4 more
doaj +1 more source