IJBTT

Thermodynamics Study of Copper Recovery from Waste LFP (Lithium Iron Phosphate Battery)

Thermodynamics Study of Copper Recovery from Waste LFP (Lithium Iron Phosphate Battery)
	© 2023 by IJETT Journal
	Volume-71 Issue-3
	Year of Publication : 2023
	Author : Jong-deok Lim, Hyoun-Jong Kim, Jei-Pil Wang
	DOI : 10.14445/22315381/IJETT-V71I3P228

How to Cite?

Jong-deok Lim, Hyoun-Jong Kim, Jei-Pil Wang, "Thermodynamics Study of Copper Recovery from Waste LFP (Lithium Iron Phosphate Battery)," International Journal of Engineering Trends and Technology, vol. 71, no. 3, pp. 276-281, 2023. Crossref, https://doi.org/10.14445/22315381/IJETT-V71I3P228

Abstract
In this study, a thermodynamic investigation was conducted to select a slag system capable of dry reduction treatment of Cu through the analysis of waste LFP batteries. Through this, the possibility of Cu recovery was reviewed. To remove C in the waste LFP battery, C was removed from the waste LFP battery in an O2 atmosphere at 800 ° C for 2 hr. As a result of analyzing components, 42.25% of Cu and 39.52% of Fe were detected. First, Cu was separated and recovered in a matte form. After that, a thermodynamics review of the dry refining process was conducted to turn Fe in the slag into FeO for the low-carbon Fe reduction process. Therefore, FeO-SiO2-Al2O3 was selected as the slag system, and through this, the possibility of manufacturing Cu in the waste LFP battery as matte using Factsage 8.2.

Keywords
LFP battery, Molten reduction, Slag system, Cu recovery, Factsage.

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