TW279852B - - Google Patents
Info
- Publication number
- TW279852B TW279852B TW083101929A TW83101929A TW279852B TW 279852 B TW279852 B TW 279852B TW 083101929 A TW083101929 A TW 083101929A TW 83101929 A TW83101929 A TW 83101929A TW 279852 B TW279852 B TW 279852B
- Authority
- TW
- Taiwan
- Prior art keywords
- glycol
- molecular weight
- low molecular
- spent
- spent glycol
- Prior art date
Links
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 abstract 14
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 abstract 4
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 abstract 3
- 239000012535 impurity Substances 0.000 abstract 3
- 239000003054 catalyst Substances 0.000 abstract 2
- 229910044991 metal oxide Inorganic materials 0.000 abstract 2
- 150000004706 metal oxides Chemical class 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- 230000003028 elevating effect Effects 0.000 abstract 1
- 238000005342 ion exchange Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- -1 polyethylene terephthalate Polymers 0.000 abstract 1
- 229920000139 polyethylene terephthalate Polymers 0.000 abstract 1
- 239000005020 polyethylene terephthalate Substances 0.000 abstract 1
- 238000011084 recovery Methods 0.000 abstract 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 abstract 1
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
- C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
-
- 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
- C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
- C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
- C07C29/80—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by distillation
-
- 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
- B01J39/00—Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
- B01J39/04—Processes using organic exchangers
-
- 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
- B01J47/00—Ion-exchange processes in general; Apparatus therefor
- B01J47/02—Column or bed processes
- B01J47/04—Mixed-bed processes
-
- 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
- C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
- C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S203/00—Distillation: processes, separatory
- Y10S203/90—Particular type of heating
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Polyesters Or Polycarbonates (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Polyethers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/057,557 US5294305A (en) | 1993-05-06 | 1993-05-06 | Ethylene glycol recovery process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW279852B true TW279852B (zh) | 1996-07-01 |
Family
ID=22011323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW083101929A TW279852B (zh) | 1993-05-06 | 1994-03-05 |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US5294305A (zh) |
| EP (1) | EP0696268B1 (zh) |
| JP (1) | JP2769391B2 (zh) |
| KR (1) | KR0179671B1 (zh) |
| AT (1) | ATE178579T1 (zh) |
| CZ (1) | CZ289195A3 (zh) |
| DE (1) | DE69417736T2 (zh) |
| ES (1) | ES2130413T3 (zh) |
| PL (1) | PL311632A1 (zh) |
| RO (1) | RO116086B1 (zh) |
| TW (1) | TW279852B (zh) |
| WO (1) | WO1994026684A1 (zh) |
Families Citing this family (40)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4321846A1 (de) * | 1993-07-01 | 1995-01-12 | Basf Ag | Verfahren für die destillative Rückgewinnung von Glykolen aus gebrauchten Gefrierschutzmitteln oder Kühlerschutzmitteln |
| JP3357477B2 (ja) | 1994-10-17 | 2002-12-16 | 三井化学株式会社 | ポリエステルの製造方法 |
| US5876685A (en) * | 1996-09-11 | 1999-03-02 | Ipec Clean, Inc. | Separation and purification of fluoride from industrial wastes |
| TW482790B (en) * | 1997-05-06 | 2002-04-11 | Teijin Ltd | Method for continuous production of polyester |
| US5932105A (en) * | 1997-10-01 | 1999-08-03 | Mobile Process Technology, Co. | Method of polyester manufacturing using crossflow membrane filtration |
| US6074771A (en) | 1998-02-06 | 2000-06-13 | Igr Enterprises, Inc. | Ceramic composite electrolytic device and method for manufacture thereof |
| WO1999058483A1 (en) * | 1998-05-14 | 1999-11-18 | Huntsman Petrochemical Corporation | Improved glycol purification |
| JP3715812B2 (ja) * | 1998-12-10 | 2005-11-16 | 株式会社アイエス | ポリエチレンテレフタレート廃棄物のケミカルリサイクル方法 |
| JP4238300B2 (ja) | 2000-02-04 | 2009-03-18 | ペットリファインテクノロジー株式会社 | 高純度ビス−β−ヒドロキシエチルテレフタレートの製造方法 |
| US6274020B1 (en) * | 2000-04-28 | 2001-08-14 | Ernst Schmidt | Electrodialysis membrane and gasket stack system |
| US6242655B1 (en) * | 2000-07-11 | 2001-06-05 | Scientific Design Company, Inc. | Glycol purification |
| PT2311897E (pt) * | 2000-12-07 | 2015-08-25 | Grupo Petrotemex Sa De Cv | Processo de preparação de poliéster de baixo custo utilizando um reator tubular |
| US6906164B2 (en) * | 2000-12-07 | 2005-06-14 | Eastman Chemical Company | Polyester process using a pipe reactor |
| US7074879B2 (en) * | 2003-06-06 | 2006-07-11 | Eastman Chemical Company | Polyester process using a pipe reactor |
| US7135541B2 (en) | 2003-06-06 | 2006-11-14 | Eastman Chemical Company | Polyester process using a pipe reactor |
| CA2539243C (en) * | 2003-09-30 | 2010-04-20 | Arthur F. Clark | Method for separating volatile components by dilutive distillation |
| US7332548B2 (en) * | 2004-03-04 | 2008-02-19 | Eastman Chemical Company | Process for production of a polyester product from alkylene oxide and carboxylic acid |
| JP2006328223A (ja) * | 2005-05-26 | 2006-12-07 | Fuji Xerox Co Ltd | 高分子有機電子材料の製造方法、高分子有機電子材料及び有機電界発光素子 |
| ES2300189B1 (es) * | 2006-05-26 | 2009-06-08 | Univeridad Rey Juan Carlos | Procedimiento para el tratamiento de residuos liquidos procedentes de plantas de fundicion inyectada de aluminio. |
| US7649109B2 (en) * | 2006-12-07 | 2010-01-19 | Eastman Chemical Company | Polyester production system employing recirculation of hot alcohol to esterification zone |
| US20080139780A1 (en) * | 2006-12-07 | 2008-06-12 | Debruin Bruce Roger | Polyester production system employing short residence time esterification |
| US7943094B2 (en) * | 2006-12-07 | 2011-05-17 | Grupo Petrotemex, S.A. De C.V. | Polyester production system employing horizontally elongated esterification vessel |
| US7863477B2 (en) * | 2007-03-08 | 2011-01-04 | Eastman Chemical Company | Polyester production system employing hot paste to esterification zone |
| US7829653B2 (en) * | 2007-07-12 | 2010-11-09 | Eastman Chemical Company | Horizontal trayed reactor |
| US7842777B2 (en) * | 2007-07-12 | 2010-11-30 | Eastman Chemical Company | Sloped tubular reactor with divided flow |
| US7868130B2 (en) * | 2007-07-12 | 2011-01-11 | Eastman Chemical Company | Multi-level tubular reactor with vertically spaced segments |
| US7872089B2 (en) | 2007-07-12 | 2011-01-18 | Eastman Chemical Company | Multi-level tubular reactor with internal tray |
| US7872090B2 (en) * | 2007-07-12 | 2011-01-18 | Eastman Chemical Company | Reactor system with optimized heating and phase separation |
| US7858730B2 (en) * | 2007-07-12 | 2010-12-28 | Eastman Chemical Company | Multi-level tubular reactor with dual headers |
| US7868129B2 (en) * | 2007-07-12 | 2011-01-11 | Eastman Chemical Company | Sloped tubular reactor with spaced sequential trays |
| US7847053B2 (en) | 2007-07-12 | 2010-12-07 | Eastman Chemical Company | Multi-level tubular reactor with oppositely extending segments |
| DE102008044440B4 (de) * | 2008-08-18 | 2011-03-03 | Lurgi Zimmer Gmbh | Verfahren und Vorrichtung zur Rückgewinnung von Ethylenglykol bei der Polyethylenterephthalatherstellung |
| JP5983207B2 (ja) * | 2012-06-05 | 2016-08-31 | 三菱化学株式会社 | ポリエステルの製造方法 |
| US9433875B2 (en) * | 2012-08-24 | 2016-09-06 | Cameron International Corporation | Divalent cation removal from rich monoethylene glycol (MEG) feed streams by ion exchange |
| US8808546B2 (en) * | 2012-08-24 | 2014-08-19 | Cameron International Corporation | Hydrocarbon removal from gas process feed streams by regenerable filters |
| US9145345B2 (en) * | 2012-08-30 | 2015-09-29 | Glyeco, Inc. | Method and apparatus for processing glycol |
| CN105936620A (zh) * | 2016-05-23 | 2016-09-14 | 山东成武易信环保科技有限公司 | 环保增塑剂dotp制备中乙二醇提纯装置及提纯工艺 |
| CN115301210B (zh) * | 2021-05-07 | 2024-05-28 | 中国石油化工股份有限公司 | 吸附剂及其制备和在聚酯生产过程中回收乙二醇中的应用 |
| CN118987771A (zh) * | 2022-02-15 | 2024-11-22 | 北京袭明科技有限公司 | 一种高纯电子级乙二醇生产方法及装置 |
| EP4667450A1 (en) * | 2024-06-20 | 2025-12-24 | DePoly SA | A method of extracting ethylene glycol from a liquid solution |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2788373A (en) * | 1953-05-12 | 1957-04-09 | Union Carbide & Carbon Corp | Ethylene glycol purification |
| US3367847A (en) * | 1966-02-01 | 1968-02-06 | Du Pont | Purification of ethylene glycol containing salts of terephthalic acid by plural distiallation |
| US3491161A (en) * | 1966-07-18 | 1970-01-20 | Jefferson Chem Co Inc | Treatment of spent glycol |
| US3408268A (en) * | 1966-10-27 | 1968-10-29 | Jefferson Chem Co Inc | Recovery of spent glycol by distillation in the presence of water |
| US3878055A (en) * | 1970-06-04 | 1975-04-15 | Ppg Industries Inc | Reclamation of spent glycol by distillation in the presence of a catalytic amount of alkali metal hydroxide |
| US4046688A (en) * | 1975-10-21 | 1977-09-06 | Rohm And Haas Company | Removal of antimony from industrial streams |
| US4118582A (en) * | 1975-10-28 | 1978-10-03 | E. I. Du Pont De Nemours And Company | Purification of spent ethylene glycol |
| US4013519A (en) * | 1976-03-25 | 1977-03-22 | Safetech, Inc. | Recovery method for polyester still bottoms |
| JPS5726630A (en) * | 1980-07-25 | 1982-02-12 | Toray Ind Inc | Purifying method of glycol |
| JPS5726631A (en) * | 1980-07-25 | 1982-02-12 | Toray Ind Inc | Purifying method of glycol |
| US4605762A (en) * | 1982-04-23 | 1986-08-12 | Celanese Mexicana S.A. | Depolymerization of condensation polymers |
-
1993
- 1993-05-06 US US08/057,557 patent/US5294305A/en not_active Expired - Lifetime
-
1994
- 1994-02-23 EP EP94912168A patent/EP0696268B1/en not_active Expired - Lifetime
- 1994-02-23 JP JP6518464A patent/JP2769391B2/ja not_active Expired - Lifetime
- 1994-02-23 WO PCT/US1994/002193 patent/WO1994026684A1/en not_active Ceased
- 1994-02-23 ES ES94912168T patent/ES2130413T3/es not_active Expired - Lifetime
- 1994-02-23 PL PL94311632A patent/PL311632A1/xx unknown
- 1994-02-23 CZ CZ952891A patent/CZ289195A3/cs unknown
- 1994-02-23 KR KR1019950704894A patent/KR0179671B1/ko not_active Expired - Fee Related
- 1994-02-23 DE DE69417736T patent/DE69417736T2/de not_active Expired - Fee Related
- 1994-02-23 AT AT94912168T patent/ATE178579T1/de active
- 1994-03-05 TW TW083101929A patent/TW279852B/zh active
-
1995
- 1995-10-05 RO RO95-01749A patent/RO116086B1/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CZ289195A3 (en) | 1996-03-13 |
| KR0179671B1 (ko) | 1999-05-15 |
| RO116086B1 (ro) | 2000-10-30 |
| US5294305A (en) | 1994-03-15 |
| EP0696268A1 (en) | 1996-02-14 |
| KR960701821A (ko) | 1996-03-28 |
| EP0696268A4 (en) | 1996-10-30 |
| PL311632A1 (en) | 1996-03-04 |
| JPH08508011A (ja) | 1996-08-27 |
| ES2130413T3 (es) | 1999-07-01 |
| DE69417736T2 (de) | 1999-12-16 |
| WO1994026684A1 (en) | 1994-11-24 |
| DE69417736D1 (de) | 1999-05-12 |
| ATE178579T1 (de) | 1999-04-15 |
| EP0696268B1 (en) | 1999-04-07 |
| JP2769391B2 (ja) | 1998-06-25 |
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