Conference proceedings

Displaying 1 - 2 of 2 in Sustainable supply of raw materials (remove filter), CEST2021 (remove filter)

CEST Proceedings are published under the ISSN 2944-9820.

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.

DOI:

https://doi.org/10.30955/gnc2021.00155

Conference:

CEST2021

Paper ID:

cest2021_00155

The Quality Properties of Tire Tread With Adding Filler of a Sunflower Oil and Pinecone Powder

(Corresponding) Akpinar Borazan A., Alkan A.

Topic:

Sustainable supply of raw materials

This study, aimed to be developed economical and environmentally friendly tires by modifying commercial tire tread using pinecone powder and sunflower oil. Different additives were used in the blend formulations: stearic acid as an accelerator and softener supplement, zinc oxide to increase the...Read more

Keywords:

Pinecone powder, vegetable oil, physico-mechanical properties, rheological properties, tire tread

DOI:

https://doi.org/10.30955/gnc2021.00344

Conference:

CEST2021

Paper ID:

cest2021_00344