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Organic solvent selection for delamination of end-of-life silicon photovoltaic modules based on recyclability

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dc.contributor.authorTrivedi, H.K.
dc.contributor.authorMeshram, A.
dc.contributor.authorGupta, R.
dc.date.accessioned2024-08-26T10:31:25Z
dc.date.available2024-08-26T10:31:25Z
dc.date.issued2024
dc.descriptionReceived: January 31st, 2024 ; Accepted: May 24th, 2024 ; Published: August 5th, 2024 ; Correspondence: Harishis@iitk.ac.ineng
dc.description.abstractPhotovoltaic modules (PVMs) are already accepted as renewable energy sources to fulfill future energy demand. E-waste from end-of-life (EoL) PVMs will pose significant challenges for both the recovery of valuable materials and the environmental hazards in the near future. Delamination of photovoltaic modules for recycling typically involves separating the solar cell from various layers of PVM that are; glass, encapsulant ethylene-vinyl acetate, and backsheet. The solar cell is encapsulated by ethylene-vinyl acetate (EVA) layers; the photovoltaic module can be delaminated by a swelling encapsulant layer using organic solvents. The recyclability of organic solvents is investigated in this work, with an emphasis on possible contamination by encapsulated EVA during EoL PVM delamination. To investigate the interactions of encapsulant EVA with solvents, it was extracted from EoL PVMs. This work investigates contamination of organic solvents in the temperature range of 25–55 °C and suggests solvent recyclability for reuse and waste reduction. Organic solvents Fourier transform infrared (FTIR) spectra after a 24-hour encapsulant EVA interaction were compared to study organic solvent contamination. This study focused on two different types of solvents: aromatic hydrocarbons (like xylene) and chlorinated hydrocarbons (like CH2Cl2). Xylene demonstrated resistance to EVA contamination, making it a preferred organic solvent for recycling EoL PVMs.eng
dc.identifier.issn2228-4907
dc.identifier.publicationAgronomy Research, 2024, vol. 22, no. 3, pp. 1339–1350eng
dc.identifier.urihttp://hdl.handle.net/10492/9464
dc.identifier.urihttps://doi.org/10.15159/ar.24.075
dc.publisherEstonian University of Life Scienceseng
dc.rightsCreative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)eng
dc.rightsinfo:eu-repo/semantics/openAccesseng
dc.rightshttps://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectethylene-vinyl acetate (EVA)eng
dc.subjecte-wasteeng
dc.subjectorganic solventeng
dc.subjectphotovoltaic moduleseng
dc.subjectrecyclingeng
dc.subjectsolar celleng
dc.subjectarticleseng
dc.titleOrganic solvent selection for delamination of end-of-life silicon photovoltaic modules based on recyclabilityeng
dc.typeinfo:eu-repo/semantics/articleeng

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2024, Vol. 22, No. 3