ZA201001345B - Cleaning device for separating dilactide from substance mixtures, polymerisation device, method for separating dilactide from substance mixtures and use thereof - Google Patents

Cleaning device for separating dilactide from substance mixtures, polymerisation device, method for separating dilactide from substance mixtures and use thereof

Info

Publication number
ZA201001345B
ZA201001345B ZA201001345A ZA201001345A ZA201001345B ZA 201001345 B ZA201001345 B ZA 201001345B ZA 201001345 A ZA201001345 A ZA 201001345A ZA 201001345 A ZA201001345 A ZA 201001345A ZA 201001345 B ZA201001345 B ZA 201001345B
Authority
ZA
South Africa
Prior art keywords
outlet
cleaning device
partition wall
zone
hydroxycarboxylic acid
Prior art date
Application number
ZA201001345A
Other languages
English (en)
Inventor
Rainer Hagen
Udo Muehlbauer
Original Assignee
Uhde Inventa Fischer Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Uhde Inventa Fischer Gmbh filed Critical Uhde Inventa Fischer Gmbh
Publication of ZA201001345B publication Critical patent/ZA201001345B/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/06—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic acids
    • C08G63/08—Lactones or lactides
    • 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
    • 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
    • B01D3/141—Fractional distillation or use of a fractionation or rectification column where at least one distillation column contains at least one dividing wall
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/78—Preparation processes
    • C08G63/785—Preparation processes characterised by the apparatus used

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
  • Processing Of Solid Wastes (AREA)
ZA201001345A 2007-09-03 2010-02-24 Cleaning device for separating dilactide from substance mixtures, polymerisation device, method for separating dilactide from substance mixtures and use thereof ZA201001345B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07017237A EP2031009A1 (de) 2007-09-03 2007-09-03 Reinigungsvorrichtung zur Abtrennung von Dilactid aus Stoffgemischen, Polymerisationsvorrichtung, Verfahren zur Abtrennung von Dilactid aus Stoffgemischen sowie Verwendung

Publications (1)

Publication Number Publication Date
ZA201001345B true ZA201001345B (en) 2010-10-27

Family

ID=38786864

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA201001345A ZA201001345B (en) 2007-09-03 2010-02-24 Cleaning device for separating dilactide from substance mixtures, polymerisation device, method for separating dilactide from substance mixtures and use thereof

Country Status (14)

Country Link
US (2) US8569517B2 (ru)
EP (2) EP2031009A1 (ru)
KR (1) KR101499276B1 (ru)
CN (1) CN101821315B (ru)
AT (1) ATE487751T1 (ru)
BR (1) BRPI0816286B1 (ru)
CA (1) CA2698288C (ru)
DE (1) DE502008001787D1 (ru)
ES (1) ES2352099T3 (ru)
MX (1) MX2010002433A (ru)
RU (1) RU2478098C2 (ru)
TW (1) TWI477494B (ru)
WO (1) WO2009030395A1 (ru)
ZA (1) ZA201001345B (ru)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE501778T1 (de) 2007-09-03 2011-04-15 Uhde Inventa Fischer Gmbh Verfahren zur reinigung von prozessdämpfen bei der polylactidherstellung
EP2031009A1 (de) 2007-09-03 2009-03-04 Uhde Inventa-Fischer GmbH Reinigungsvorrichtung zur Abtrennung von Dilactid aus Stoffgemischen, Polymerisationsvorrichtung, Verfahren zur Abtrennung von Dilactid aus Stoffgemischen sowie Verwendung
CN102625802B (zh) * 2009-03-13 2016-03-23 自然工作有限责任公司 利用内消旋丙交酯再循环来制备丙交酯的方法
ES2661638T3 (es) * 2011-11-04 2018-04-02 Uhde Inventa-Fischer Gmbh Procedimiento para la preparación de un ácido láctico polimerizable
CN105228994B (zh) 2013-05-06 2018-03-09 富特罗股份有限公司 用于从包含粗丙交酯的物流收取和改善内消旋丙交酯的生产的工艺
EP2876124B1 (de) 2013-11-20 2019-01-09 Uhde Inventa-Fischer GmbH Verfahren sowie vorrichtung zur herstellung einer kristallisierbaren polymilchsäuremischung sowie polymilchsäuremischung
KR102451871B1 (ko) * 2016-06-09 2022-10-06 현대자동차 주식회사 가스 포집용 증류장치 및 이를 이용한 증류방법
US10918967B2 (en) * 2017-09-28 2021-02-16 Exxonmobil Research And Engineering Company Dual-dividing wall column with multiple products
CN108031141B (zh) * 2017-11-24 2020-09-25 孝感市易生新材料有限公司 精制丙交酯的工艺设备及方法
EP4069395A1 (en) * 2019-12-05 2022-10-12 ExxonMobil Technology and Engineering Company Dividing wall column separator with intensified separations
WO2022045959A1 (en) * 2020-08-22 2022-03-03 Sui Jianjun Process for the purification of lactide
CN116635376A (zh) * 2020-12-24 2023-08-22 聚晟(新加坡)私人有限公司 丙交酯的生产工艺
CN115990342A (zh) * 2021-10-19 2023-04-21 中国石油化工股份有限公司 一种环状酯的提纯方法和提纯系统

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3820299A1 (de) 1987-06-16 1988-12-29 Boehringer Ingelheim Kg Meso-lactid, verfahren zu seiner herstellung und daraus hergestellte polymere und copolymere
EP0623153A1 (en) 1992-01-24 1994-11-09 Cargill, Incorporated Continuous process for the manufacture of lactide and lactide polymers
US6326458B1 (en) 1992-01-24 2001-12-04 Cargill, Inc. Continuous process for the manufacture of lactide and lactide polymers
US5236560A (en) * 1992-03-13 1993-08-17 E. I. Du Pont De Nemours And Company Solventless dimeric cyclic ester distillation process
US5686630A (en) * 1993-09-29 1997-11-11 Chronopol, Inc. Purifying cyclic esters by aqueous solvent extraction
US5521278A (en) 1994-08-18 1996-05-28 Ecological Chemical Products Integrated process for the manufacture of lactide
FI107337B (fi) * 1997-02-14 2001-07-13 Fortum Oil & Gas Oy Menetelmä laktidin polymeroimiseksi
JPH1192475A (ja) * 1997-09-16 1999-04-06 Shimadzu Corp ラクチドの迅速な製造方法
EP1136480A1 (fr) 2000-03-23 2001-09-26 Brussels Biotech Procedé de purification d'esters cycliques
DE10020898B4 (de) * 2000-04-20 2004-02-05 Inventa-Fischer Gmbh Verfahren zur Herstellung von Polymilchsäure und Vorrichtung hierzu
JP4555541B2 (ja) * 2002-08-09 2010-10-06 トヨタ自動車株式会社 Ｄ−ラクチドとｌ−ラクチドの混合物のいずれか一方のラクチドの光学異性体の精製方法
DK1694626T3 (da) * 2003-12-10 2008-03-03 Tate & Lyle Plc Fremgangsmåde til oprensning af lactid
EP1717236A1 (en) * 2005-04-28 2006-11-02 Purac Biochem B.V. Method for purifying glycolide
RU2290244C1 (ru) * 2005-12-26 2006-12-27 Валерий Юрьевич Аристович Способ разделения смеси жидких компонентов
EP2031009A1 (de) 2007-09-03 2009-03-04 Uhde Inventa-Fischer GmbH Reinigungsvorrichtung zur Abtrennung von Dilactid aus Stoffgemischen, Polymerisationsvorrichtung, Verfahren zur Abtrennung von Dilactid aus Stoffgemischen sowie Verwendung

Also Published As

Publication number Publication date
MX2010002433A (es) 2010-03-31
BRPI0816286B1 (pt) 2018-12-04
TWI477494B (zh) 2015-03-21
CN101821315B (zh) 2012-10-31
BRPI0816286A2 (pt) 2015-03-10
KR101499276B1 (ko) 2015-03-05
EP2185623B1 (de) 2010-11-10
DE502008001787D1 (de) 2010-12-23
EP2185623B9 (de) 2011-03-30
KR20100065169A (ko) 2010-06-15
ES2352099T3 (es) 2011-02-15
RU2478098C2 (ru) 2013-03-27
US20100249364A1 (en) 2010-09-30
US8569517B2 (en) 2013-10-29
CN101821315A (zh) 2010-09-01
EP2031009A1 (de) 2009-03-04
TW200920742A (en) 2009-05-16
ES2352099T9 (es) 2011-06-16
RU2010107423A (ru) 2011-10-10
ATE487751T1 (de) 2010-11-15
EP2185623A1 (de) 2010-05-19
CA2698288A1 (en) 2009-03-12
CA2698288C (en) 2016-01-05
US8940910B2 (en) 2015-01-27
US20140011975A1 (en) 2014-01-09
WO2009030395A1 (de) 2009-03-12

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