| Title | Industrial-Scale Indium Recovery from Various e-Waste Resources Through Simulation and Integration of Developed Processes |
|---|---|
| ID_Doc | 7894 |
| Authors | Swain, B; Park, JR; Park, KS; Lee, CG; Hong, HS; Lee, JC |
| Title | Industrial-Scale Indium Recovery from Various e-Waste Resources Through Simulation and Integration of Developed Processes |
| Year | 2021 |
| Published | |
| Abstract | Various e-wastes like waste LCD, LED, and LCD etching industry wastewater are important secondary resources for indium, which is a critical metal. In this research, the industrial-scale indium recovery from e-waste resources like waste LCD, LED, and LCD industry etching wastewater is being emphasized through simulation and integration of the developed processes. A demonstration plant for indium recovery on one ton/day of ITO etching wastewater has been developed with almost complete (99%) recovery of indium. For the indium recovery, integration of the processes can be managed by following two approaches unique to this system, (i) utilization of ITO etching industry wastewaters for the leaching of waste LCD, (ii) integration of leaching processes developed for waste LCD and LED with that of the treatment process for ITO wastewaters. Through the proposed approach, the semiconductor manufacturing industry and ITO industry can address various pressing issues like (i) waste disposal, (ii) indium recovery, (iii) circular economy. |
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