A review of recent studies into hydrometallurgical methods for recovering PGMs from used catalytic converters

C Saguru, S Ndlovu, D Moropeng - Hydrometallurgy, 2018 - Elsevier
Demand for the 3 PGMs-platinum, palladium and rhodium has been steadily increasing,
largely as a result of the growing use of the metals in autocatalytic converters. Due to the …

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 …

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 …

Recovery of palladium from a spent industrial catalyst through leaching and solvent extraction

AP Paiva, O Ortet, GI Carvalho, CA Nogueira - Hydrometallurgy, 2017 - Elsevier
A hydrometallurgical approach to recover palladium from a spent industrial hydrogenating
catalyst is described. The work aimed to enhance palladium and minimize aluminum …

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 …

[HTML][HTML] Recovery of Pt, Pd, and Rh from spent automotive catalysts through combined chloride leaching and ion exchange: A review

M Hosseinzadeh, J Petersen - Hydrometallurgy, 2024 - Elsevier
Three platinum group metals (PGMs), platinum (Pt), palladium (Pd), and rhodium (Rh), are
key components in automotive catalytic convertors, playing a pivotal role in controlling …

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 …

Highly selective extraction of palladium from spent automotive catalyst acid leachate using novel alkylated dioxa-dithiacrown ether derivatives

REC Torrejos, GM Nisola, SH Min, JW Han… - Journal of Industrial and …, 2020 - Elsevier
Novel macrocyclic extractants were synthesized and employed in liquid–liquid extraction
(LLE) for palladium/platinum (Pd/Pt) separation in aqueous feed source. Dioxadithia-benzo …

Thiacalixarenes: emergent supramolecules in crystal engineering and molecular recognition

M Yamada, M Rajiv Gandhi, UMR Kunda… - Journal of Inclusion …, 2016 - Springer
A consolidated review on the emergent supramolecules of thiacalixarenes in crystal
engineering and molecular recognition contributed from our group is presented. Our simple …

Liquid–liquid extraction of palladium (II) from chloride media by N, N′-dimethyl-N, N′-dicyclohexylthiodiglycolamide

O Ortet, AP Paiva - Separation and Purification Technology, 2015 - Elsevier
Previous research showed that N, N′-dimethyl-N, N′-dicyclohexylthiodiglycolamide
(DMDCHTDGA) in 1, 2-dichloroethane is able to co-extract platinum (IV) and palladium (II) …