SEPARATION SYSTEM AND SEPARATION METHOD - MITSUBISHI HEAVY IND LTD

Title:

SEPARATION SYSTEM AND SEPARATION METHOD

Document Type and Number:

WIPO Patent Application WO/2024/063099

Kind Code:

A1

Abstract:

The separation system has a solid-liquid separation unit that removes impurities by solid-liquid separation from a dissolved solution that contains a PET solution in which polyethylene terephthalate has been dissolved in monomers derived from decomposition of polyethylene terephthalate and impurities, which are components other than polyethylene terephthalate, and a recovery unit that recovers the monomers derived from the decomposition of polyethylene terephthalate from the impurities separated by the solid-liquid separation unit.

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Inventors:

MATSUBARA WATARU (JP)
TARUMI TAKEYASU (JP)
SEIKI YOSHIO (JP)
GENTA MINORU (JP)
ITO MOTOFUMI (JP)
TOMONAGA NARIYUKI (JP)
KAWANO MASAKI (JP)
OKA NOBUKI (JP)
MIYATA YASUYUKI (JP)

Application Number:

PCT/JP2023/034124

Publication Date:

March 28, 2024

Filing Date:

September 20, 2023

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Assignee:

MITSUBISHI HEAVY IND LTD (JP)

International Classes:

C08J11/08; C08G63/127; C08J11/24

Domestic Patent References:

WO2014098229A1

2014-06-26

Foreign References:

JP2001522387A	2001-11-13
JPH06211971A	1994-08-02

Attorney, Agent or Firm:

SAKAI INTERNATIONAL PATENT OFFICE (JP)

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