Conference proceedings

Displaying 1 - 2 of 2 in recycling (remove filter), printed (remove filter)

CEST Proceedings are published under the ISSN 2944-9820.

Effective separation of waste printed circuit boards using microwave-assisted organic swelling.

Monteiro B., Martelo L., Sousa P., Bastos M., (Corresponding) Soares H.
Topic: 
Electric and electronic waste
Nowadays, our lifestyle demands more electronics products, and this rapid development generated an increase in the amount of electronic waste (e-waste). Waste printed circuit boards (WPCBs) are components in all electronic devices and responsible for a high percentage of the total weight of the...Read more
Keywords: 
Waste printed circuit boards recycling; Microwave-assisted organic swelling; Hansen solubility parameters; Brominated epoxy resin dissolution.
Paper ID: 
cest2021_00127

An innovative and eco-friendly approach to recover gold (and copper) from gold fingers of waste printed circuit boards

Sousa P., Martelo L., Bastos M., Marques A., (Corresponding) Soares H.
Topic: 
Sustainable supply of raw materials
Recycling waste printed circuit boards (WPCBs) is a complex problem worldwide and sustainable technologies are required. So, this work aims to offer an innovative (an European patent was submitted, EP 20216239.2 1) and more sustainable solution to recover high-value materials (gold and copper) from...Read more
Keywords: 
E-waste, Printed circuit board recycling, Physical and chemical processes; Gold and copper recovery.
Paper ID: 
cest2021_00155