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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

Experimental studies of the course of CO2/CH4 exchange sorption on hard coal subjected to confining pressure.

(Corresponding) Skoczylas N.
Topic: 
Gas emissions control and utilization
Studies were carried out on exchange sorption of CO2/CH4 on four samples of hard coal differing in the degree of coalification. The samples were subjected to various confining pressures in the range from 1.5 MPa to 30 MPa. The author's conception of the measuring apparatus made it possible to...Read more
Keywords: 
CO2/CH4 exchange sorption, experiments in reservoir conditions, swelling of coal at confining pressure
Paper ID: 
cest2021_00625