Ultrasound-enhanced zero-valent copper activation of persulfate for the degradation of bisphenol AF

Q Wang, Y Cao, H Zeng, Y Liang, J Ma, X Lu - Chemical Engineering …, 2019 - Elsevier
Ultrasound (US) was introduced into a persulfate (PS)/zero-valent copper (ZVC) system for
the degradation of bisphenol AF (BPAF). In this system, ZVC worked as a catalyst to activate …

Decomposition of polyethylene glycol (PEG) at Cu cathode and insoluble anode during Cu electrodeposition

TY Kim, S Choe, JJ Kim - Electrochimica Acta, 2020 - Elsevier
The mechanisms of cathodic and anodic decomposition of polyethylene glycol (PEG), a
suppressor in the Cu electrodeposition process, were examined via both cyclic voltammetry …

Thermodynamics and kinetics study of tellurium removal with cuprous ion

M Mokmeli, D Dreisinger, B Wassink - Hydrometallurgy, 2014 - Elsevier
The chemistry and kinetics of the removal of tellurium from copper sulphate-sulphuric acid
solution by cuprous ion reduction and precipitation were studied. The Te VI reduction …

Modeling of selenium and tellurium removal from copper electrowinning solution

M Mokmeli, D Dreisinger, B Wassink - Hydrometallurgy, 2015 - Elsevier
In this study, the kinetics of selenium and tellurium reduction by cuprous ions were reviewed
and a comprehensive model capable of predicting the rate constants for various Cu+ 2–H 2 …

Recovery of dissolved platinum group metals from copper sulphate leach solutions by precipitation

J Mulwanda, C Dorfling - Minerals Engineering, 2015 - Elsevier
The pregnant leach solution produced in the final leaching stage of base metal refineries
(BMRs) operated by platinum producers contains impurities such as selenium and tellurium …

Kinetics study of selenium removal from copper sulfate–sulfuric acid solution

M Mokmeli, B Wassink, D Dreisinger - Hydrometallurgy, 2013 - Elsevier
The chemistry and kinetics of the removal of selenium from copper sulfate–sulfuric acid
solution by cuprous ion reduction and precipitation were studied. Continuous measurement …

[HTML][HTML] In-line detection of Cu+-related species in aged Cu plating bath using flow cell-based electrochemical method

M Han, BU Yoo, M Kim, JY Lee, KH Lee… - Journal of …, 2021 - Elsevier
Cu+-related species formed under electrolytic and open circuit conditions (eg, Cu+ and Cu+-
3-mercapto-1-propane sulfonate (MPS)) are important intermediates that influence the …

Reduction mechanism of tellurium species from copper electrowinning solutions

M Mokmeli, DB Dreisinger, B Wassink… - International Journal of …, 2016 - Wiley Online Library
The presence of tellurium in copper–nickel sulfide ores results in downstream contamination
of leach solutions and electrolytes. Tellurium must be removed from leach solutions before …

Tellurium and selenium precipitation from copper sulphate solutions

YO Bello - 2014 - scholar.sun.ac.za
The copper sulphate leach solutions produced during the final pressure leach stages in
base metal refinery processes contain low concentrations of other precious metals (OPMs …

A Study on the Control for Decomposition of Bis-(3-Sulfopropyl) Disulfide (SPS) and Polyethylene Glycol (PEG) Additive in Copper Electrodeposition Bath

김태영 - 2021 - s-space.snu.ac.kr
Copper electrodeposition is one of the root-technology for 4th industrial revolution era in
various industries: semiconductor, lithium ion 2nd battery, and catalyst, because of its high …