Distribution of elements between copper and FeOx–CaO–SiO2slags during pyrometallurgical processing of WEEE

Autor:	Markus A. Reuter, R. W. Matusewicz, D. R. Swinbourne, A. Anindya
Rok vydání:	2013
Předmět:	Materials science Metallurgy Slag chemistry.chemical_element General Chemistry Geotechnical Engineering and Engineering Geology Copper Electronic waste Metal chemistry Geochemistry and Petrology visual_art Smelting visual_art.visual_art_medium Tin Refining (metallurgy)
Zdroj:	Mineral Processing and Extractive Metallurgy. 122:165-173
ISSN:	1743-2855 0371-9553
DOI:	10.1179/1743285513y.0000000043
Popis:	The rapidly increasing rate of creation of electronic waste (WEEE) requires the development of effective processing strategies so that the valuable (minor) metals and compounds in WEEE can be kept within the materials cycle while the possibly harmful elements and compounds can be kept out of the environment. Pyrometallurgical processing currently offers the most attractive routes to perform the initial separation before the usual hydrometallurgical refining steps to produce high purity metals and compounds. There is a lack of information on the way valuable metals in WEEE behave during smelting because the combination of metals in WEEE is frequently different to that found in natural ores. In this first paper the slag/metal distribution ratio of tin between FeOx–CaO–SiO2 slags and copper was examined at an oxygen partial pressure of 10−8 MPa (10−7 atm) and at 1300°C. The distribution ratio of tin was unaffected by the Fe/SiO2 ratio of the slag, over the range examined, but strongly dependant on th...
Databáze:	OpenAIRE
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