Electrolytic purification of metal copper recovery from waste lithium batteries

Ana Carolina Araujo, Greicy Maia, Marcela Rabelo Menezes, Jose Ricardo Sodre

Research output: Contribution to conferencePaper

Abstract

Battery disposal is a subject of high environmental concerns, and requires studies on their
recovery and reuse to minimize waste of non-renewable resources of raw materials. In many
countries there is no proper disposal and collection of these materials, as there is no legislation
on battery recycling. Since the battery anode contains a large proportion of copper, this work
investigates copper purification from a battery recovery process. The methodology applies the
electrolytic refining technique of copper electrodeposition, after opening the electrode through
acid leaching. Sixty-three waste batteries were collected for this research, totalling 494.473 g.
Of this mass 98.509 g corresponds to copper-rich anode, which 19.66% is equivalent to
recoverable copper. The process here applied allowed for recovery of 99.61% of the recoverable
copper through natural metal oxide deposition in a copper plate. Final analysis of the plate
shows 70.5% copper, the remaining composition being oxygen, carbon, sulphur and chlorine
contaminant. The main novelty of this paper is the reduced amount of sulphuric acid used in
the lixiviation process.
Original languageEnglish
Number of pages8
Publication statusPublished - 6 Oct 2019
EventSDEWES: 14th Conference on Sustainable Development of Energy, Water and Environment Systems - Dubrovnik, Dubrovnik, Croatia
Duration: 1 Oct 20196 Oct 2019
https://www.dubrovnik2019.sdewes.org/

Conference

ConferenceSDEWES
CountryCroatia
CityDubrovnik
Period1/10/196/10/19
Internet address

Fingerprint

Lithium batteries
Purification
Copper
Metals
Recovery
Anodes
Sulfur
Waste disposal
Electrodeposition
Oxides
Leaching
Refining
Recycling
Raw materials
Carbon
Oxygen
Electrodes
Acids
Chemical analysis

Bibliographical note

© 2019 The Authors

Keywords

  • Batteries
  • recycling
  • copper

Cite this

Araujo, A. C., Maia, G., Menezes, M. R., & Sodre, J. R. (2019). Electrolytic purification of metal copper recovery from waste lithium batteries. Paper presented at SDEWES, Dubrovnik, Croatia.
Araujo, Ana Carolina ; Maia, Greicy ; Menezes, Marcela Rabelo ; Sodre, Jose Ricardo. / Electrolytic purification of metal copper recovery from waste lithium batteries. Paper presented at SDEWES, Dubrovnik, Croatia.8 p.
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Araujo, AC, Maia, G, Menezes, MR & Sodre, JR 2019, 'Electrolytic purification of metal copper recovery from waste lithium batteries' Paper presented at SDEWES, Dubrovnik, Croatia, 1/10/19 - 6/10/19, .

Electrolytic purification of metal copper recovery from waste lithium batteries. / Araujo, Ana Carolina; Maia, Greicy; Menezes, Marcela Rabelo; Sodre, Jose Ricardo.

2019. Paper presented at SDEWES, Dubrovnik, Croatia.

Research output: Contribution to conferencePaper

TY - CONF

T1 - Electrolytic purification of metal copper recovery from waste lithium batteries

AU - Araujo, Ana Carolina

AU - Maia, Greicy

AU - Menezes, Marcela Rabelo

AU - Sodre, Jose Ricardo

N1 - © 2019 The Authors

PY - 2019/10/6

Y1 - 2019/10/6

N2 - Battery disposal is a subject of high environmental concerns, and requires studies on theirrecovery and reuse to minimize waste of non-renewable resources of raw materials. In manycountries there is no proper disposal and collection of these materials, as there is no legislationon battery recycling. Since the battery anode contains a large proportion of copper, this workinvestigates copper purification from a battery recovery process. The methodology applies theelectrolytic refining technique of copper electrodeposition, after opening the electrode throughacid leaching. Sixty-three waste batteries were collected for this research, totalling 494.473 g.Of this mass 98.509 g corresponds to copper-rich anode, which 19.66% is equivalent torecoverable copper. The process here applied allowed for recovery of 99.61% of the recoverablecopper through natural metal oxide deposition in a copper plate. Final analysis of the plateshows 70.5% copper, the remaining composition being oxygen, carbon, sulphur and chlorinecontaminant. The main novelty of this paper is the reduced amount of sulphuric acid used inthe lixiviation process.

AB - Battery disposal is a subject of high environmental concerns, and requires studies on theirrecovery and reuse to minimize waste of non-renewable resources of raw materials. In manycountries there is no proper disposal and collection of these materials, as there is no legislationon battery recycling. Since the battery anode contains a large proportion of copper, this workinvestigates copper purification from a battery recovery process. The methodology applies theelectrolytic refining technique of copper electrodeposition, after opening the electrode throughacid leaching. Sixty-three waste batteries were collected for this research, totalling 494.473 g.Of this mass 98.509 g corresponds to copper-rich anode, which 19.66% is equivalent torecoverable copper. The process here applied allowed for recovery of 99.61% of the recoverablecopper through natural metal oxide deposition in a copper plate. Final analysis of the plateshows 70.5% copper, the remaining composition being oxygen, carbon, sulphur and chlorinecontaminant. The main novelty of this paper is the reduced amount of sulphuric acid used inthe lixiviation process.

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KW - recycling

KW - copper

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M3 - Paper

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Araujo AC, Maia G, Menezes MR, Sodre JR. Electrolytic purification of metal copper recovery from waste lithium batteries. 2019. Paper presented at SDEWES, Dubrovnik, Croatia.