 Limits of Cyanex 272 Selectivity for Cobalt Extraction in A Multi-Cationic Industrial Environment: Case Study of Lamikal, Lualaba (DRC)Mungwa Kalundu Gaylord (), Kalunga Zugu Maryssa (), Ndala Mbavu Bavon () and Zeka Mujinga1,3,4,5 () International Journal of Innovative Science and Research Technology (IJISRT), 2025, vol. 10, issue 10, 2377-2387 Abstract: This study examines the limits of Cyanex 272's absorption capacity in a complex industrial solvent extraction (SX) process for cobalt, applied at the LAMIKAL plants (Lualaba, DRC). The objective is to evaluate the actual performance of Cyanex 272 under multi-metal industrial conditions, where cobalt, copper and manganese coexist. Operating parameters such as pH, extractant concentration, organic/aqueous ratio (O/A) and contact time were optimised. The results show a cobalt extraction yield limited to 31.5%, compared to 98.6% for copper and 97.9% for manganese, revealing a low selectivity of Cyanex 272 towards cobalt in the presence of impurities. Recommendations are made to improve the selectivity of the process in a real industrial context. Keywords: Solvent; Extraction; -; Cyanex; 272; -; Cobalt; -; Copper; -; Manganese; -; Selectivity; -; Extraction; yield; -; Hydrometallurgy; -; Lamikal; -; Parameter; Optimisation; -; Ion; Competition; -; Industrial; Process. (search for similar items in EconPapers) Downloads: (external link) Related works: Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text Persistent link: https://EconPapers.repec.org/RePEc:cvr:ijisrt:2025:10:ijisrt25oct825 Access Statistics for this article More articles in International Journal of Innovative Science and Research Technology (IJISRT) from IJISRT Publication |
Is your work missing from RePEc? Here is how to contribute.
Questions or problems? Check the EconPapers FAQ or send mail to .
EconPapers is hosted by the
School of Business at Örebro University.