PL331177A1 - Method of obtaining terephtalic acid and ethylene glycol in particular from poly(ethyl terephtalate) wastes and plant therefor - Google Patents
Method of obtaining terephtalic acid and ethylene glycol in particular from poly(ethyl terephtalate) wastes and plant thereforInfo
- Publication number
- PL331177A1 PL331177A1 PL97331177A PL33117797A PL331177A1 PL 331177 A1 PL331177 A1 PL 331177A1 PL 97331177 A PL97331177 A PL 97331177A PL 33117797 A PL33117797 A PL 33117797A PL 331177 A1 PL331177 A1 PL 331177A1
- Authority
- PL
- Poland
- Prior art keywords
- ethylene glycol
- wastes
- poly
- obtaining
- terephtalate
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/09—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis
- C07C29/095—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis of esters of organic acids
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/09—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid esters or lactones
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J11/00—Recovery or working-up of waste materials
- C08J11/04—Recovery or working-up of waste materials of polymers
- C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
- C08J11/16—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with inorganic material
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The subject of the invention is the method of obtaining of terephtalic acid and ethylene glycol, particularly from poly/ethyleneterephtalate/wastes comprising a hydrolytic decomposition of polyester with an aqueous solution of alkali metal or ammonium carbonate at the increased temperature and under the increased pressure, oxidation and neutralisation of a reaction mixture, separation of the product phases and purification of ethylene glycol by distillation and the plant for realisation of this method.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19629042A DE19629042C2 (en) | 1996-07-19 | 1996-07-19 | Process for the production of terephthalic acid and ethylene glycol, in particular from polyethylene terephthalate waste, and device for carrying out the process |
Publications (1)
Publication Number | Publication Date |
---|---|
PL331177A1 true PL331177A1 (en) | 1999-06-21 |
Family
ID=7800207
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PL97331177A PL331177A1 (en) | 1996-07-19 | 1997-07-08 | Method of obtaining terephtalic acid and ethylene glycol in particular from poly(ethyl terephtalate) wastes and plant therefor |
Country Status (4)
Country | Link |
---|---|
AU (1) | AU3186697A (en) |
DE (1) | DE19629042C2 (en) |
PL (1) | PL331177A1 (en) |
WO (1) | WO1998003459A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016153368A1 (en) | 2015-03-20 | 2016-09-29 | RS PET Społka z o.o. | Installation for continuous treatment of polyethylene terephthalate pet waste |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19641743B4 (en) | 1996-10-10 | 2004-04-01 | Cet-Umwelttechnik-Entwicklungsgesellchaft Mbh | Process for the recovery of liquid fuels from polyolefin waste |
EP1134211B1 (en) * | 2000-02-29 | 2002-12-18 | Massimo Broccatelli | Method of recovering chemical species by depolymerization of poly(ethylene terephthalate) and related use |
EP1138663B1 (en) | 2000-02-29 | 2002-10-16 | Massimo Broccatelli | Method for recovery of terephthalic acid from a material containing poly(ethylene terephthalates) |
DE10032900C2 (en) * | 2000-07-06 | 2002-11-21 | B & B Anlagenbau Gmbh | Process for the preparation of PET containers with an alkaline hydrolysis |
US6720448B2 (en) | 2000-10-11 | 2004-04-13 | Massimo Broccatelli | Method of recovering chemical species by depolymerization of poly (ethylene terephthalate) and related use |
WO2005003217A1 (en) * | 2003-07-07 | 2005-01-13 | Roman Sierzant | Method and plant for the recovery of terephthalic acid and ethylene glycol from polyethylene terephthalate wastes |
US9550713B1 (en) | 2015-07-09 | 2017-01-24 | Loop Industries, Inc. | Polyethylene terephthalate depolymerization |
US10252976B1 (en) | 2017-09-15 | 2019-04-09 | 9449710 Canada Inc. | Terephthalic acid esters formation |
PL239189B1 (en) * | 2017-12-04 | 2021-11-15 | Rs Pet Spolka Z Ograniczona Odpowiedzialnoscia | PET wastes recycling process with recovery of PTA and ethylene glycol |
PE20210858A1 (en) | 2018-06-25 | 2021-05-18 | 9449710 Canada Inc | FORMATION OF TEREPHTHALIC ACID ESTERS |
US11248103B2 (en) | 2019-03-20 | 2022-02-15 | 9449710 Canada Inc. | Process for the depolymerization of polyethylene terephthalate (PET) |
GB2612252A (en) * | 2020-08-10 | 2023-04-26 | Auriga Polymers Inc | Process for purification of recovered glycol from chemical recycling of waste polyester |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3953502A (en) * | 1973-01-31 | 1976-04-27 | Imperial Chemical Industries Limited | Cyclopentane derivatives |
US4542239A (en) * | 1981-11-18 | 1985-09-17 | Board Of Control Of Michigan Technological University | Process for recovering terephthalic acid from waste polyethylene terephthalate |
CA2173987A1 (en) * | 1993-10-14 | 1995-04-20 | Kevin Louis Rollick | Process for recovering dicarboxylic acid with reduced impurities from polyester polymer |
-
1996
- 1996-07-19 DE DE19629042A patent/DE19629042C2/en not_active Expired - Fee Related
-
1997
- 1997-07-08 WO PCT/IB1997/000847 patent/WO1998003459A1/en active Application Filing
- 1997-07-08 PL PL97331177A patent/PL331177A1/en unknown
- 1997-07-08 AU AU31866/97A patent/AU3186697A/en not_active Abandoned
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016153368A1 (en) | 2015-03-20 | 2016-09-29 | RS PET Społka z o.o. | Installation for continuous treatment of polyethylene terephthalate pet waste |
Also Published As
Publication number | Publication date |
---|---|
DE19629042A1 (en) | 1998-01-22 |
WO1998003459A1 (en) | 1998-01-29 |
DE19629042C2 (en) | 1999-02-25 |
AU3186697A (en) | 1998-02-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
DISC | Decisions on discontinuance of the proceedings (taken after the publication of the particulars of the applications) |