Method for separation of plastic materials derived from electronics shredder residue

Method for separation of plastic materials derived from electronics shredder residue

A method for separating a mixture of solid materials can includes a sorting step based on differences in X-Ray transmission of different materials and a density sorting step at an elevated density. The mixture of solid materials can be a plastic-rich mixture recovered from waste electrical and elect...

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Bibliographische Detailangaben
Hauptverfasser: GYSBERS, JOHN, RIISE, BRIAN L, STARCHL, MARTIN
Format: Patent
Sprache:eng
Schlagworte:
PERFORMING OPERATIONS
POSTAL SORTING
SEPARATING SOLIDS FROM SOLIDS
SORTING
SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTEDPIECE-MEAL, e.g. BY PICKING
TRANSPORTING
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Beschreibung
Zusammenfassung:A method for separating a mixture of solid materials can includes a sorting step based on differences in X-Ray transmission of different materials and a density sorting step at an elevated density. The mixture of solid materials can be a plastic-rich mixture recovered from waste electrical and electronic equipment. The mixture of solid materials can include plastics that contain brominated flame retardants. In some cases, a XRT or DEXRT sorter is used to remove the majority of plastics that contain brominated flame retardants from the mixture.