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http://dx.doi.org/10.7844/kirr.2013.22.6.26

Recovery of Pt from the Chloride Leaching Solution of Spent Catalysts by using Column Extractor  

Sun, Pan-Pan (Department of Advanced Materials Science and Engineering, Mokpo National University)
Lee, Man-Seung (Department of Advanced Materials Science and Engineering, Mokpo National University)
Publication Information
Resources Recycling / v.22, no.6, 2013 , pp. 26-32 More about this Journal
Abstract
In order to recover Pt from the hydrochloric acid leaching solution of spent catalysts, bench scale Karr reciprocating column was employed. At an optimum flow rate and vibration frequency, iron and Pt was completely extracted by using TBP and Aliquat 336. At the same vibration frequency, iron and Pt was completely stripped by HCl and $HClO_4$ after adjusting the flow rate. In the case of extraction of HCl from the raffinate with TEHA, it was difficult to maintain the stability of the column extractor. A comparison of the operation results between column extractor and mixer-settler is reported.
Keywords
Pt; Fe; HCl; Karr reciprocating column;
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