JP7377834B2 - 分離システム及び分離方法 - Google Patents
分離システム及び分離方法 Download PDFInfo
- Publication number
- JP7377834B2 JP7377834B2 JP2021091776A JP2021091776A JP7377834B2 JP 7377834 B2 JP7377834 B2 JP 7377834B2 JP 2021091776 A JP2021091776 A JP 2021091776A JP 2021091776 A JP2021091776 A JP 2021091776A JP 7377834 B2 JP7377834 B2 JP 7377834B2
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- 238000000926 separation method Methods 0.000 title claims description 84
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 246
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 246
- 239000012535 impurity Substances 0.000 claims description 185
- 238000006243 chemical reaction Methods 0.000 claims description 99
- 239000000178 monomer Substances 0.000 claims description 93
- 239000007810 chemical reaction solvent Substances 0.000 claims description 61
- 239000002994 raw material Substances 0.000 claims description 53
- -1 polyethylene terephthalate Polymers 0.000 claims description 29
- 230000005484 gravity Effects 0.000 claims description 24
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical group OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 19
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 16
- WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical group COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 claims description 12
- 238000004090 dissolution Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 9
- 229920000728 polyester Polymers 0.000 description 34
- 239000002904 solvent Substances 0.000 description 31
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 21
- 238000002844 melting Methods 0.000 description 20
- 230000008018 melting Effects 0.000 description 20
- 238000009835 boiling Methods 0.000 description 15
- 239000000126 substance Substances 0.000 description 14
- 238000010438 heat treatment Methods 0.000 description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 239000002685 polymerization catalyst Substances 0.000 description 7
- 239000004698 Polyethylene Substances 0.000 description 6
- 239000012632 extractable Substances 0.000 description 5
- 239000000945 filler Substances 0.000 description 5
- 238000004064 recycling Methods 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 3
- 238000012691 depolymerization reaction Methods 0.000 description 3
- 238000009795 derivation Methods 0.000 description 3
- 239000000049 pigment Substances 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 2
- QPKOBORKPHRBPS-UHFFFAOYSA-N bis(2-hydroxyethyl) terephthalate Chemical compound OCCOC(=O)C1=CC=C(C(=O)OCCO)C=C1 QPKOBORKPHRBPS-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 230000000379 polymerizing effect Effects 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000004480 active ingredient Substances 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002794 monomerizing effect Effects 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
- C08J11/18—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 organic material
- C08J11/22—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 organic material by treatment with organic oxygen-containing compounds
- C08J11/24—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 organic material by treatment with organic oxygen-containing compounds containing hydroxyl groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/143—Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/24—Stationary reactors without moving elements inside
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/02—Separating plastics from other materials
-
- 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
- C08J11/06—Recovery or working-up of waste materials of polymers without chemical reactions
- C08J11/08—Recovery or working-up of waste materials of polymers without chemical reactions using selective solvents for polymer components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
- B01J19/0013—Controlling the temperature of the process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/30—Loose or shaped packing elements, e.g. Raschig rings or Berl saddles, for pouring into the apparatus for mass or heat transfer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/30—Details relating to random packing elements
- B01J2219/302—Basic shape of the elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/30—Details relating to random packing elements
- B01J2219/302—Basic shape of the elements
- B01J2219/30203—Saddle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/30—Details relating to random packing elements
- B01J2219/302—Basic shape of the elements
- B01J2219/30215—Toroid or ring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/30—Details relating to random packing elements
- B01J2219/302—Basic shape of the elements
- B01J2219/30296—Other shapes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/02—Separating plastics from other materials
- B29B2017/0213—Specific separating techniques
- B29B2017/0217—Mechanical separating techniques; devices therefor
- B29B2017/0234—Mechanical separating techniques; devices therefor using gravity, e.g. separating by weight differences in a wind sifter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/02—Separating plastics from other materials
- B29B2017/0213—Specific separating techniques
- B29B2017/0293—Dissolving the materials in gases or liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
- B29K2067/003—PET, i.e. poylethylene terephthalate
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Medicinal Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Health & Medical Sciences (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
- Extraction Or Liquid Replacement (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021091776A JP7377834B2 (ja) | 2021-05-31 | 2021-05-31 | 分離システム及び分離方法 |
| PCT/JP2022/006714 WO2022254815A1 (ja) | 2021-05-31 | 2022-02-18 | 分離システム及び分離方法 |
| EP22815574.3A EP4324873A4 (en) | 2021-05-31 | 2022-02-18 | SEPARATION SYSTEM AND SEPARATION PROCESS |
| US18/565,006 US20240254308A1 (en) | 2021-05-31 | 2022-02-18 | Separation system and separation method |
| MX2023013959A MX2023013959A (es) | 2021-05-31 | 2022-02-18 | Sistema de separacion y metodo de separacion. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021091776A JP7377834B2 (ja) | 2021-05-31 | 2021-05-31 | 分離システム及び分離方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2022184117A JP2022184117A (ja) | 2022-12-13 |
| JP2022184117A5 JP2022184117A5 (https=) | 2023-08-10 |
| JP7377834B2 true JP7377834B2 (ja) | 2023-11-10 |
Family
ID=84324189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021091776A Active JP7377834B2 (ja) | 2021-05-31 | 2021-05-31 | 分離システム及び分離方法 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20240254308A1 (https=) |
| EP (1) | EP4324873A4 (https=) |
| JP (1) | JP7377834B2 (https=) |
| MX (1) | MX2023013959A (https=) |
| WO (1) | WO2022254815A1 (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2025098579A (ja) * | 2023-12-20 | 2025-07-02 | 三菱重工業株式会社 | モノマー製造システム、制御方法及びプログラム |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000297178A (ja) | 1999-04-13 | 2000-10-24 | Teijin Ltd | テレフタル酸ジメチルの回収方法 |
| JP2001522387A (ja) | 1997-04-18 | 2001-11-13 | デュポン テイジン フィルムズ ユー.エス.リミテッド パートナーシップ | 汚染ポリエステル廃棄物からのポリエステルの回収 |
| US20180361356A1 (en) | 2015-12-18 | 2018-12-20 | Solvay Sa | Use of a catalyst composition for the catalytic depolymerization of plastics waste |
| US20200102441A1 (en) | 2017-06-16 | 2020-04-02 | Green Union S.R.L. | Treatment plant and method for pet glycolysis |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5298530A (en) * | 1992-11-25 | 1994-03-29 | Eastman Kodak Company | Process of recovering components from scrap polyester |
| JPH07286061A (ja) * | 1993-07-15 | 1995-10-31 | Teijin Ltd | アラミドドープの製造法及びそれを用いるフィブリッドの製造法 |
| US5554657A (en) * | 1995-05-08 | 1996-09-10 | Shell Oil Company | Process for recycling mixed polymer containing polyethylene terephthalate |
| JP4005301B2 (ja) * | 2000-08-17 | 2007-11-07 | 帝人ファイバー株式会社 | ポリエステル廃棄物からの有効成分回収方法 |
| JP2002086448A (ja) * | 2000-09-13 | 2002-03-26 | Mitsubishi Heavy Ind Ltd | ポリエステルの再生方法 |
| JP4065659B2 (ja) | 2000-11-30 | 2008-03-26 | 帝人ファイバー株式会社 | ポリエチレンテレフタレート廃棄物からの有効成分回収方法 |
| JP4008214B2 (ja) * | 2001-08-03 | 2007-11-14 | 三菱重工業株式会社 | ポリエステルのモノマー化反応容器 |
| JP2005002161A (ja) * | 2003-06-10 | 2005-01-06 | Teijin Fibers Ltd | 異種プラスチックの除去方法 |
| JP2005014279A (ja) * | 2003-06-24 | 2005-01-20 | Teijin Fibers Ltd | 異種プラスチックの分離方法 |
| US20220325036A1 (en) * | 2019-07-29 | 2022-10-13 | Eastman Chemical Company | Process for the preparation of polyesters with recycled monomers from pyrolysis and methanolysis |
-
2021
- 2021-05-31 JP JP2021091776A patent/JP7377834B2/ja active Active
-
2022
- 2022-02-18 US US18/565,006 patent/US20240254308A1/en active Pending
- 2022-02-18 EP EP22815574.3A patent/EP4324873A4/en active Pending
- 2022-02-18 WO PCT/JP2022/006714 patent/WO2022254815A1/ja not_active Ceased
- 2022-02-18 MX MX2023013959A patent/MX2023013959A/es unknown
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001522387A (ja) | 1997-04-18 | 2001-11-13 | デュポン テイジン フィルムズ ユー.エス.リミテッド パートナーシップ | 汚染ポリエステル廃棄物からのポリエステルの回収 |
| JP2000297178A (ja) | 1999-04-13 | 2000-10-24 | Teijin Ltd | テレフタル酸ジメチルの回収方法 |
| US20180361356A1 (en) | 2015-12-18 | 2018-12-20 | Solvay Sa | Use of a catalyst composition for the catalytic depolymerization of plastics waste |
| US20200102441A1 (en) | 2017-06-16 | 2020-04-02 | Green Union S.R.L. | Treatment plant and method for pet glycolysis |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022254815A1 (ja) | 2022-12-08 |
| US20240254308A1 (en) | 2024-08-01 |
| JP2022184117A (ja) | 2022-12-13 |
| MX2023013959A (es) | 2023-12-11 |
| EP4324873A1 (en) | 2024-02-21 |
| EP4324873A4 (en) | 2025-05-07 |
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