Efficient recycling of gold and copper from electronic waste by selective precipitation

A Nag, MK Singh, CA Morrison… - Angewandte Chemie …, 2023 - Wiley Online Library
The recycling of metals from electronic waste (e‐waste) using efficient, selective, and
sustainable processes is integral to circular economy and net‐zero aspirations. Herein, we …

Solvent extraction of copper (II) from ammonium chloride and hydrochloric acid solutions with hydrophobic pyridineketoximes

K Wieszczycka, M Kaczerewska, M Krupa… - Separation and …, 2012 - Elsevier
The main goal of this work was to study the extraction of copper (II) ions from
ammonia/ammonium chloride solutions with hydrophobic pyridineketoximes. The effect of …

Lead (II) extraction from aqueous solutions by pyridine extractants

A Wojciechowska, K Wieszczycka… - Separation and …, 2017 - Elsevier
In this work, the Pb (II) extraction from chloride and chloride/nitrate solution with novel
hydrophobic extractants: 1-(3-pyridyl) undecan-1-one oxime and its pyridinium salts (3-[1 …

Solvent extraction of cadmium (II) from chloride solutions by pyridyl ketoximes

A Parus, K Wieszczycka, A Olszanowski - Hydrometallurgy, 2011 - Elsevier
The solvent extraction of cadmium (II) from chloride solutions using 1-(2-pyridyl)-tridecane-1-
one (2PC12), 1-(2-pyridyl)-pentadecane-1-one (2PC14), 1-(4-pyridyl)-tridecane-1-one …

Recovery of Zn (II) from multielemental acidic chloride solution with hydrophobic 3-pyridineketoxime

K Wieszczycka - Separation and Purification Technology, 2013 - Elsevier
The main goal of this work was the application of an oxime of 1-(3-pyridyl) undecan-1-one
as an selective extractant of zinc (II) ions from strong acidic chloride solutions containing …

Solvent extraction of iron (III) from chloride solutions in the presence of copper (II) and zinc (II) using hydrophobic pyridyl ketoximes

A Parus, K Wieszczycka… - Separation Science and …, 2010 - Taylor & Francis
In this work, oximes of 1-(2-pyridyl) tridekane-1-one and 1-(4-pyridyl) tridecane-1-one were
used as model hydrophobic extractants for iron (III) from a chloride media. Both studied …

Quaternary pyridinium ketoximes as zinc extractants from chloride solutions

K Wieszczycka, A Wojciechowska… - Journal of Chemical & …, 2013 - ACS Publications
The goal of this work was to study the extraction of zinc (II) ions from chloride solutions with
the hydrophobic quaternary 3-pyridinium ketoximes. The influence of pH, contact time …

Recovery of zinc (II) from chloride solutions using pseudo-emulsion based hollow fiber strip dispersion (PEHFSD) with 1-(3-pyridyl) undecan-1-one oxime or …

K Wieszczycka, M Regel-Rosocka, K Staszak… - Separation and …, 2015 - Elsevier
The recovery of zinc from chloride solutions using pseudo-emulsion based hollow fiber strip
dispersion (PEHFSD) technique was investigated. The novel extractant, 1-(3-pyridyl) …

Efficient recovery of copper from aqueous solutions with pyridine extractants (oxime, ketone) and their quaternary pyridinium salts

A Wojciechowska, K Wieszczycka… - Separation and …, 2017 - Elsevier
Abstract In this research, 1-(3-pirydyl) undecan-1-one, 1-propyl-3-undecanoylpyridinium
bromide and 1-propyl-3-undecanoylpyridinium chloride, as well as, 1-(3-pirydyl) undecan-1 …

Selective copper extraction from sulfate media with N, N-dihexyl-N′-hydroxypyridine-carboximidamides as extractants

P Aksamitowski, K Wieszczycka… - Separation and …, 2018 - Elsevier
Solvent extraction studies of copper (II) from sulfate media have been carried out using a
selected non-commercial extractant N, N-dihexyl-N′-hydroxypyridine-2-carboximidamide …