FEEDSTOCK RECYCLING PROCESS FROM POLYESTER WASTES AND APPARATUS USING THE SAME

Title:

FEEDSTOCK RECYCLING PROCESS FROM POLYESTER WASTES AND APPARATUS USING THE SAME

Document Type and Number:

WIPO Patent Application WO/2011/043515

Kind Code:

A1

Abstract:

The present invention relates to a process for recycling feedstock from polyester wastes and an apparatus using the same, and more particularly, to a process for recycling dimethyl terephthalate and ethylene glycol or feedstock for polyester from polyethyleneterephthalate (PET) and an apparatus using the same. More particularly, the present invention relates to a novel continuous recycling process for improving a process efficiency and energy saving effect through recycling of produced methanol vapor and crystallization of dimethyl terephthalate.

Inventors:

HAN MYUNGWAN (KR)

Application Number:

PCT/KR2009/007667

Publication Date:

April 14, 2011

Filing Date:

December 22, 2009

Export Citation:

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Assignee:

IAC IN NAT UNIV CHUNGNAM (KR)
HAN MYUNGWAN (KR)

International Classes:

B01J19/00; B01J19/24; C08J11/04

Foreign References:

US5712410A	1998-01-27
JP2004277638A	2004-10-07
US6706843B1	2004-03-16
JP2003300916A	2003-10-21

Attorney, Agent or Firm:

KWON, Oh-Sig et al. (921 Dunsan-dong, Seo-gu, Daejeon 302-120, KR)

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