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High selective 2DCOFs for Resources Recovery from Electronic-Waste

Project description

Greener gold from E-waste

Recovering valuable metals like gold and neodymium from electronic waste is key to tackling resource shortages and reducing environmental harm. While adsorption offers a promising green solution, current methods struggle with low selectivity, poor uptake, and limited reusability. Supported by the Marie Skłodowska-Curie Actions programme, the COFFRREW project is addressing these challenges by developing new covalent organic frameworks (COFs) tailored for metal recovery. Using simple chemical synthesis and precision pore-wall engineering, the team will create custom 2D structures that efficiently and selectively capture target metals. With features like thiol groups for gold and carboxyl arms for neodymium, COFFRREW’s approach could revolutionise e-waste recycling and contribute to the EU’s green and circular economy goals.

Objective

"Recovery of precious and critical metals (Au, Nd) from e-waste not only has substantial economic and environmental advantages but also addresses the problem of resource scarcity. In this area, the adsorption approach is recognized as an efficient, facile, and green methodology. Recently, covalent organic frameworks (COFs) have emerged as potential adsorbents for metal recycling from waste materials. However, there are still key challenges that need to be addressed: (1) poor selectivity against interferents; (2) low uptake capacity; and (3) poor reusability in real leaching solutions. To address these issues, COFFRREW aims to develop sustainable and economically viable adsorbents for precious metal recovery from e-waste. To achieve these aims, a series of β-ketoenamine 2DCOFs (Tp-linked) will be synthesized using facile ""solvothermal"" chemical reactions. Then, pore-wall engineering with appropriate functional groups will follow to tune the selectivity and efficiency for targeted metal ions. This project will construct novel and tailor-made 2DCOF structures, which will produce exciting outcomes to resolve the problems of selectivity, uptake capacity, and reusability in the field of Au and Nd recovery using COFs. This project will study the role of selective sites (such as thiol for Au3+, long carboxyl arms for Nd3+) in the confined spaces of Tp-linked 2DCOFs for selective metal recovery from e-waste, and will fill the research gap by resolving the challenges in this field. This project is both interdisciplinary and multidisciplinary in nature. It will have significant social, economic, and scientific impacts, aligning with SDG Goals 8 and 13, the Green Deal Charter, and contributing to the enhancement of EU scientific excellence."

Fields of science (EuroSciVoc)

Keywords

Programme(s)

Topic(s)

Funding Scheme

HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships

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Call for proposal

(opens in new window) HORIZON-MSCA-2024-PF-01

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Coordinator

UNIVERSITA DEGLI STUDI DI PADOVA
Net EU contribution
€ 209 483,28
Address
VIA 8 FEBBRAIO 2
35122 Padova
Italy
Region
Nord-Est Veneto Padova
Activity type
Higher or Secondary Education Establishments
Links
Total cost
No data

Partners (1)