Extractant structures and their performance for palladium extraction and separation from chloride media: A review

J Wang, W Xu, H Liu, F Yu, H Wang - Minerals Engineering, 2021 - Elsevier
The continuous extraction and separation of Platinum Group Metals (PGMs) to obtain high
purity single PGM product has always been a challenging task. The difficulty is the …

Recent advances in platinum and palladium solvent extraction from real leaching solutions of spent catalysts

AP Paiva - Catalysts, 2023 - mdpi.com
The strategic importance of platinum and palladium, two platinum-group metals (PGMs), is
particularly supported by their technological applications, one of the most relevant being the …

Effective and selective extraction of Au (III) and Pd (II) from practical e-waste by tridentate thioether extractants

X Huang, M Yi, K Tang - Chemical Engineering Journal, 2024 - Elsevier
To address resources shortage and environmental degradation, noble metal recovery from e-
waste is in desperate need. Herein, to achieve selective extraction of gold (Au) and …

Novel approach for recovery of palladium in spent catalyst from automobile by a capture technology of eutectic copper

L Zhang, Q Song, Y Liu, Z Xu - Journal of Cleaner Production, 2019 - Elsevier
In worldwide, more than half of palladium is used to produce exhaust catalysts in the
automotive industry. However, the recycling of palladium is a great challenge due to its low …

Dialdehyde carboxymethyl cellulose cross-linked chitosan for the recovery of palladium and platinum from aqueous solution

TG Asere, S Mincke, K Folens, FV Bussche… - Reactive and Functional …, 2019 - Elsevier
Abstract Platinum (Pt) and palladium (Pd) have widespread applications, such as in
catalysts, jewelry, fuel cells, and electronics because of their favorable physical and …

Recycling of palladium from spent catalysts using solvent extraction—Some critical points

AP Paiva - Metals, 2017 - mdpi.com
Electrical and electronics equipment and automotive and industrial catalysts are some
examples of top technological devices whose functioning rely on the use of platinum-group …

Accelerated kinetics of Pd (II) solvent extraction using functionalized 1-methyl-2-(nonylthio)-1H-imidazole and its comparison with dialkylsulfide to separate Pd (II) and …

S Feng, K Huang - Hydrometallurgy, 2023 - Elsevier
Dialkylsulfide is considered as the most promising extractant for separating Pd (II) and Pt (IV)
in industrial processes. However, the slow kinetics for Pd (II) extraction limits its extensive …

Rapid and selective recovery of palladium from platinum group metals and base metals using a thioamide-modified calix [4] arene extractant in environmentally …

M Yamada, M Rajiv Gandhi, A Shibayama - Scientific Reports, 2018 - nature.com
A novel macrocyclic calix [4] arene extractant having a long alkyl chain thioamide, 25, 26,
27, 28-tetrakis (Nn-octylthiocarbamoyl) methoxy-5, 11, 17, 23-tetra-tert-butylcalix [4] arene …

Separation of Pd (II) and Pt (IV) in concentrated hydrochloric acid using thin-layer oil membrane and comparison with conventional extraction

D Xiao, H Zhou, K Cui, K Huang - Hydrometallurgy, 2022 - Elsevier
This study proposes a new thin-layer oil membrane (TOM) extraction strategy for enhanced
mutual separation of Pd (II) and Pt (IV) chlorocomplex anions in concentrated aqueous …

Environmentally friendly Pd (II) recovery from spent automotive catalysts using resins impregnated with a pincer-type extractant

M Yamada, S Kimura, M Rajiv Gandhi… - Scientific Reports, 2021 - nature.com
Extractant-impregnated resins have potential for recovering platinum group metals
selectively and efficiently. Herein, 1, 3-bis (2-(octylthio) propan-2-yl) benzene (1), a pincer …