Results 51 to 60 of about 405,346 (229)
Gold extraction from oxide ore using iron ion-thiourea-additive
Green Processing and SynthesisTo address the challenges of high reagent consumption and environmental risks in traditional cyanide gold extraction, this study investigated the leaching of gold from an oxide ore sourced from a gold mine in Laos using an iron ion-thiourea-thiocyanate ...
Deng Chao +4 more
doaj +1 more source
Molecules, 2017 Conventional separation methods are not suitable for recovering palladium present in low concentrations in ore leaching solutions. In this study, a novel isopentyl sulfide (S201)-impregnated α-MnO2 nanorod adsorbent (BISIN) was prepared, characterized ...
Shengjie Wu +5 more
doaj +1 more source
Niobium‐Based Chalcogenides as Emerging Electrode Materials for Rechargeable Batteries
EcoEnergy, EarlyView.This review highlights recent advances in Nb‐based TMCs, covering their structure‐property relationships, synthesis strategies, electrochemical mechanisms, and energy‐storage applications. Emerging approaches including defect engineering, operando characterization, DFT modeling, and AI‐assisted design are discussed to accelerate the development of high‐
Narasimharao Kitchamsetti +3 more
wiley +1 more source
Synthesis and Crystal Structure of 1-(3-fluorophenyl)-3-(3,4,5-trimethoxybenzoyl)thiourea [PDF]
, 2011 The title thiourea was synthesized by reaction of 3,4,5-trimethoxybenzoyl isothiocyante with 3-fluoroaniline. The 3,4,5-trimethoxybenzoyl isothiocyante was produced in situ by reaction of 3,4,5-trimethoxybenzoyl chloride with ammonium thiocyanate in dry ...
Bolte, Michael +5 more
core +1 more source
Mechanical activation and electrolysis of gold from goldsmith's waste [PDF]
Acta Montanistica Slovaca, 2012 The intensification of the thiourea leaching of gold from goldsmith's waste (Košice, Slovakia) using mechanical activationas the pretreatment step.
Jana Ficeriová
doaj
ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.Pyrolysis of FeOx/g‐C3N4 and ZIF‐8 is performed to introduce Fe single atom and pyridinic nitrogen vacancies onto N‐doped carbon. This modification enables the materials to efficiently extract electrons from ciprofloxacin (CIP) and activate dissolved oxygen. 100% of CIP was degraded within 1 min without adding any oxidant.
Jianyang Gao +5 more
wiley +1 more source
Investigation of ultrasonic influence on the kinetics of extracting gold from electronic waste
Metalurgija, 2023 In this paper the effect of ultrasonic treatment on the apparent activation energy of gold leaching from e-waste in aqueous thiourea solution was studied. The leaching was carried out under conventional conditions and under ultrasonic treatment.
Zh. Shoshay +5 more
doaj
Metals, 2021 Palladium (Pd) electroplating is widely practiced in the manufacture of advanced electronic devices. The Pd(II) present in spent electroplating solutions is treated by cementation with zinc (Zn) metal powder. In order to recover pure Pd from the cemented
Viet-NhanHoa Nguyen +2 more
doaj +1 more source
Recent Progress of Metal Halide Perovskite‐Based S‐Scheme Heterojunction for Solar Energy Conversion
ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.Recent advances in metal halide perovskite‐based S‐scheme photocatalytic heterojunctions are systematically reviewed in this work. Synthetic protocols, state‐of‐the‐art characterizations for tracking interfacial charge transfer, and their diverse photocatalytic applications are thoroughly explored.
Xinhe Wu +4 more
wiley +1 more source
Thiourea-thiocyanate leaching system for gold [PDF]
, 2010 manuscriptThe leaching of gold in thiourea-thiocyanate solutions has been studied by the rotating-disk technique using ferric sulfate as oxidant. The effects of initial concentrations of ferric, thiourea (Tu) and thiocyanate as well as temperature and pH
Yang, Xiyun; Moats, Michael S.; Wang, Xuming; Shi, Xichang; Xu, Hui +1 more
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