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The effect of organic acids as leaching agents for hydrometallurgical recovery of metals from PCBs

M. Lisinska orcid.org/0000-0002-4755-5017 ; Silesian University of Technology, Faculty of Material Science, Katowice, Poland
B. Gajda ; Czestochowa University of Technology, Czestochowa, Poland
M. Saternus orcid.org/0000-0001-8996-1980 ; Silesian University of Technology, Faculty of Material Science, Katowice, Poland
S. Brozová ; VSB - Technical University of Ostrava, Ostrava, Czech Republic
T. Wojtal ; Silesian University of Technology, Faculty of Material Science, Katowice, Poland
M. Rzelewska-Piekut orcid.org/0000-0002-6203-3516 ; Poznan University of Technology, Institute of Chemical Technology and Engineering, Poznan, Poland

Sažetak

The hydrometallurgical treatment, compared to other recycling processes, is of great interest due to its higher efficiency and better economy. In hydrometallurgy, popular agents used in the leaching processes of e-waste include inorganic acids, ammonia, chlorides, thiourea, thiosulphates. Organic acids are also becoming more and more popular. The article presents an overview of possible paths of the metal recovery from e-waste with the use of various organic acids. The results of own research on the leaching of printed circuit boards with the use of organic acids including citric acid, oxalic acid, acetic acid, formic acid, malic acid, lactic acid are also presented.

Ključne riječi

hydrometallurgy; e-waste; leaching; organic acid; metals recovery

Hrčak ID:

273820

URI

https://hrcak.srce.hr/273820

Datum izdavanja:

1.7.2022.

Posjeta: 1.892 *