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Recovery of Zn and Mn from spent alkaline batteries
RISE - Research Institutes of Sweden, Swerea, Swerea MEFOS.
RISE - Research Institutes of Sweden, Swerea, Swerea MEFOS.
IsoLogistic, Sweden.
Kunming University of Science and Technolog, China.
2018 (English)In: Part of the The Minerals, Metals & Materials Series book series (MMMS), 2018, p. 329-341Conference paper, Published paper (Refereed)
Abstract [en]

The most used technology for recycling of spent alkaline batteries consists of crushing, magnetic separation and processing of the nonmagnetic fraction, black mass, using a rotary kiln. In the process only zinc is recovered and all manganese in the black mass is lost. According to the EU regulation for recycling of batteries, more than 50% of batteries should be recovered. To meet the demand, Swerea MEFOS has together with a major battery recycler IsoLogistics in Finland and Sweden developed technologies for efficient recovery of zinc and manganese aiming for >50% recovery. This paper will focus on a treatment process using a DC furnace to produce a ZnO- and a MnO-product. The process has been demonstrated in pilot scale, 1, ton/h. The major outcomes will be highlighted. Another approach by using thermal vacuum technology for distillation of zinc metal has also been demonstrated in laboratory scale which is also reported in this paper.

Place, publisher, year, edition, pages
2018. p. 329-341
Keywords [en]
Black mass, DC furnace, Manganese, Recovery, Recycling, Spent alkaline batteries, Zinc, Distillation, Electric batteries, Electronic Waste, Functional electric stimulation, II-VI semiconductors, Magnetic separation, Manganese oxide, Melting furnaces, Metallurgy, Vacuum technology, Alkaline batteries, DC furnaces, EU regulations, Nonmagnetics, Pilot scale, Treatment process, Zinc metal
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-33409DOI: 10.1007/978-3-319-72138-5_34Scopus ID: 2-s2.0-85042310352ISBN: 9783319721378 OAI: oai:DiVA.org:ri-33409DiVA, id: diva2:1188775
Conference
TMS Annual Meeting & Exhibition TMS 2018: 9th International Symposium on High-Temperature Metallurgical Processing . 11 March 2018 through 15 March 2018.
Available from: 2018-03-08 Created: 2018-03-08 Last updated: 2018-08-08Bibliographically approved

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CiteExportLink to record
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