4. Becoming non-metallic fractions
The nature of the materials used to manufacture electronic cards depends on their use. Two commonly encountered compositions are epoxy resin-reinforced fiberglass and phenolic resin-reinforced cellulose paper.
Xu's group describes the preparation of a plate from non-metallic residues from printed circuit boards . First, the electronic cards are crushed, then the copper fraction is separated by electrostatic sorting. The non-metallic fractions...
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Becoming non-metallic fractions
Conclusion and outlook
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Bibliography
- (1) - COLLINS (T.), HAGMANN (M.) - Une initiative de l'ONU en faveur de l'amélioration du recyclage des déchets électroniques. - EMPA (2007). https://www.empa.ch/documents/56164/296590/a592-2007-03-07-fr-01+MM-ewaste.pdf ...
Regulations
Articles R543-172 amended by Decree No. 2021-1213 of September 22, 2021 – art. 1, and R543-173 amended by Decree No. 2020-1725 of December 29, 2020 – art. 4, Section 10 of the Environment Code on electrical and electronic equipment.
Patents
Process for extracting and recovering gold and/or one or more platinoids present in an acidic aqueous phase S69999 FR DEL-P, January 23, 2020.
Processes for extracting and recovering tantalum present in an acidic aqueous phase using an ionic liquid, and use of such an ionic liquid to extract tantalum, FR3040060, February 17, 2017.
Directory
Laboratories – Design offices – Schools – Research centers (non-exhaustive list)
Bureau of Geological and Mining Research BRGM https://www.brgm.fr/fr
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