Conference proceedings

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CEST Proceedings are published under the ISSN 2944-9820.

A new sustainable approach in recovering Cobalt from “hard metal” production by-products

Amadou O., DE GAUDENZI G., MARCHESELLI G., PIREDDA M., (Corresponding) SERPE A.
Topic: 
Hazardous waste management
The present work shows the capability of Maleic Acid solutions to tune the amount of Co in cemented carbide-based recovery powders with a Co content exceeding the threshold (10% Co) for industrial manufacturing in Hard Metal production and required by safety regulations. Maleic acid solutions react...Read more
Keywords: 
Hard Metal, Critical Metals, Recycling, Cobalt, Maleic Acid
Conference: 
CEST2019
Paper ID: 
cest2019_00856

A truly circular process for recycling all main raw materials of waste of LCDs screens of smartphones

Martelo L., Silva M., Bacelo H., Bastos M., (Corresponding) Soares H.
Topic: 
CIRCULAR ECONOMY AND BIOECONOMY
A liquid-crystal display (LCD) screen is composed by two transparent glasses coated with indium-tin oxide (ITO) on it and crystal liquids (LCs) sandwiched between them. The current implemented recycling process usually adopts mechanical crushing or pyrolysis as the primary LCDs screens treatment...Read more
Keywords: 
: Indium, Critical Raw Material, LCD screens recycling
Conference: 
CEST2023
Paper ID: 
cest2023_00349