| Title | Indium Recycling from Waste Liquid Crystal Displays: Is It Possible? |
|---|---|
| ID_Doc | 10714 |
| Authors | Vucinic, AA; Simunic, S; Radetic, L; Presecki, I |
| Title | Indium Recycling from Waste Liquid Crystal Displays: Is It Possible? |
| Year | 2023 |
| Published | Processes, 11, 6 |
| Abstract | The utilization of valuable properties of waste and their reuse as raw materials is an imperative of the circular economy. Waste electrical and electronic equipment (WEEE) is a significant source of valuable raw materials, certain metals, and rare earth elements that are the basis for highly sophisticated IT equipment production. It is estimated that the production of WEEE in Europe in 2019 was 16.20 kg/inhabitant, while quantities continue to grow at a rate of 3-4% per year. Waste liquid crystal displays used in televisions, laptops, desktops, and other devices represent a significant share of WEEE and contain 0.12-0.14% of liquid crystals whose main ingredient is indium-tin oxide. In order to investigate and determine the methods and conditions of indium recycling from waste LCDs, laboratory research was conducted. The influence of temperature, particle size, and retention time in different media with and without ultrasound treatment was monitored to provide the efficiency of indium leaching. The analysis of the results showed that 98% indium leaching was achieved with granulation samples of 10 x 10 mm at a temperature 40 & DEG;C/40 min in solution H2O:HCl: HNO3 = 6:2:1 under ultrasound conditions, while aqueous and alkaline media under the same conditions did not show significant efficiency. This study can be used as a practical reference for the recycling of indium from LCD panels. |
| https://www.mdpi.com/2227-9717/11/6/1662/pdf?version=1685439413 |
Similar Articles
| ID | Score | Article |
|---|---|---|
11029
|
Wang, HG; Gu, YF; Wu, YF; Zhang, YN; Wang, W An evaluation of the potential yield of indium recycled from end-of-life LCDs: A case study in China(2015) | |
| 14178
|
Amato, A; Rocchetti, L; Fonti, V; Ruello, ML; Beolchini, F Secondary indium production from end-of-life liquid crystal displays(2016)Physica Status Solidi C: Current Topics In Solid State Physics, Vol 13 No 10-12, 13, 10-12 | |
| 3483
|
Akcil, A; Agcasulu, I; Swain, B Valorization of waste LCD and recovery of critical raw material for circular economy: A review(2019) | |
| 17420
|
Huang, YF; Hsia, WN; Lo, SL Ultrasound-assisted leaching and supported liquid membrane extraction of waste liquid crystal displays for indium recovery(2023) | |
| 17270
|
Castro, JP; Garcia, JA; Souza, RG; Pereira, ER Indium Recovery from End-of-Life E-Waste: Important Details Related to Spectroanalytical Determination and Recycling Viability(2024)Journal Of The Brazilian Chemical Society, 35, 6 | |
| 23281
|
Park, JR; Lee, CG; Swain, B Beneficiation and classification of ITO concentrate from waste LCD panel for industrial-scale indium extraction(2023) | |
| 13447
|
Gómez, M; Grimes, S; Yang, LY; Pornsirianant, T; Fowler, G Novel resource-efficient recovery of high purity indium products: Unlocking value from end-of-life mobile phone liquid crystal display screens(2023)Journal Of Environmental Chemical Engineering, 11, 6 | |
| 17755
|
Song, QM; Liu, Y; Zhang, LG; Xu, ZM Facile indium recovery from waste liquid crystal displays: Chloride-facilitated indium electroreduction and stepwise Cu/MoO2 and indium electrodeposition(2021) | |
| 27225
|
Amato, A; Becci, A; Mariani, P; Carducci, F; Ruello, ML; Monosi, S; Giosuè, C; Beolchini, F End-of-Life Liquid Crystal Display Recovery: Toward a Zero-Waste Approach(2019)Applied Sciences-Basel, 9.0, 15 | |
| 7894
|
Swain, B; Park, JR; Park, KS; Lee, CG; Hong, HS; Lee, JC Industrial-Scale Indium Recovery from Various e-Waste Resources Through Simulation and Integration of Developed Processes(2021) |