Separation system and separation method

Separation system and separation method

This separation system comprises: a solid-liquid separation part in which impurities are removed by solid-liquid separation from a solution comprising both a PET solution including poly(ethylene terephthalate) dissolved in monomers resulting from decomposition of poly(ethylene terephthalate) and the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: OKA, NOBUKI, MIYATA, YASUYUKI, GENTA, MINORU, TOMONAGA, NARIYUKI, KAWANO, MASAKI, TARUMI, TAKEYASU, SEIKI, YOSHIO, ITO, MOTOFUMI, MATSUBARA, WATARU
Format: Patent
Sprache:chi ; eng
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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Beschreibung
Zusammenfassung:This separation system comprises: a solid-liquid separation part in which impurities are removed by solid-liquid separation from a solution comprising both a PET solution including poly(ethylene terephthalate) dissolved in monomers resulting from decomposition of poly(ethylene terephthalate) and the impurities, which are components excluding poly(ethylene terephthalate); a retention part which retains the PET solution from which the impurities have been separated in the solid-liquid separation part and in which impurities are further separated from the PET solution by gravity; and a reaction part into which the PET solution from which the impurities have been separated in the retention part and a reaction solvent reacting with poly(ethylene terephthalate) are introduced and in which the poly(ethylene terephthalate) contained in the PET solution is depolymerized.