Hydrometallurgical Recovery of Cobalt(II) from Spent Industrial Catalysts

Zuzanna Wiecka , Martyna Rzelewska-Piekut , Ryszard Cierpiszewski , Katarzyna Staszak , Magdalena Regel-Rosocka


The work presents studies on the application of hydrometallurgical recovery of cobalt(II) from solutions after leaching spent industrial catalysts used in process of hydrodesulfurization. A four-stage process was proposed, which consists of: leaching, precipitation of metal hydroxides accompanying Co(II), extraction of Co(II) with bis(2,4,4-trimethylpentyl)phosphinic acid and Co(II) stripping from the organic phase. The results indicate that by using the proposed method it is possible to leach Co(II) and Mo(VI) from spent catalyst, and remove main impurities such as Al(III), Fe(III) in hydroxide precipitation step and separate Co(II) from Mo(VI) by extraction and stripping.
Author Zuzanna Wiecka
Zuzanna Wiecka,,
, Martyna Rzelewska-Piekut
Martyna Rzelewska-Piekut,,
, Ryszard Cierpiszewski (WT / KTiEPP)
Ryszard Cierpiszewski,,
- Department of Industrial Products and Ecology
, Katarzyna Staszak - Politechnika Poznańska (PP)
Katarzyna Staszak,,
, Magdalena Regel-Rosocka
Magdalena Regel-Rosocka,,
Journal seriesCatalysts, ISSN 2073-4344, (N/A 100 pkt)
Issue year2020
Publication size in sheets0.6
Keywords in Polishzużyty katalizator; odzysk kobaltu; katalizator hydroodsiarczania; ługowanie; hydrometalurgia; ekstrakcja ciecz-ciecz; Cyanex 272
Keywords in Englishspent catalyst; cobalt recovery; hydrodesulfurization catalyst; leaching; hydrometallurgy; liquid-liquid extraction; Cyanex 272
ASJC Classification1503 Catalysis; 1606 Physical and Theoretical Chemistry
URL https://www.mdpi.com/2073-4344/10/1/61
Languageen angielski
Score (nominal)100
Score sourcejournalList
ScoreMinisterial score = 100.0, 20-05-2020, ArticleFromJournal
Publication indicators WoS Citations = 0; Scopus SNIP (Source Normalised Impact per Paper): 2018 = 0.912; WoS Impact Factor: 2018 = 3.444 (2) - 2018=3.808 (5)
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