METHOD OF SEPARATING AND PURIFYING A MIXED STREAM OF CONTAMINATED RECLAIMED POLYETHYLENE AND POLYPROPYLENE

METHOD OF SEPARATING AND PURIFYING A MIXED STREAM OF CONTAMINATED RECLAIMED POLYETHYLENE AND POLYPROPYLENE

A method of separating and purifying a mixed stream of contaminated reclaimed polyethylene and contaminated reclaimed polypropylene is provided. The method comprises the steps of extraction, dissolution, settling, purification, and solvent separation to produce separate streams of purified recycled...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: WAUN, Amy Eichstadt, LAYMAN, John Moncrief, COLLIAS, Dimitris Ioannis
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G
CHEMISTRY
COMPOSITIONS BASED THEREON
GENERAL PROCESSES OF COMPOUNDING
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
WORKING-UP
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Beschreibung
Zusammenfassung:A method of separating and purifying a mixed stream of contaminated reclaimed polyethylene and contaminated reclaimed polypropylene is provided. The method comprises the steps of extraction, dissolution, settling, purification, and solvent separation to produce separate streams of purified recycled polyethylene and purified recycled polypropylene. Both separate streams are produced in the same production plant operating in swing mode, and have virgin-like optical properties.