BRPI0816187A2 - Dispositivo de condensação e lavagem, dispositivo de polimerização, bem como processo para purificação de vapor de processo durante a produção de polilactídeos - Google Patents

Dispositivo de condensação e lavagem, dispositivo de polimerização, bem como processo para purificação de vapor de processo durante a produção de polilactídeos

Info

Publication number
BRPI0816187A2
BRPI0816187A2 BRPI0816187A BRPI0816187A2 BR PI0816187 A2 BRPI0816187 A2 BR PI0816187A2 BR PI0816187 A BRPI0816187 A BR PI0816187A BR PI0816187 A2 BRPI0816187 A2 BR PI0816187A2
Authority
BR
Brazil
Prior art keywords
column
condensation
material exchange
exchange packing
sump container
Prior art date
Application number
Other languages
English (en)
Inventor
Rainer Hagen
Udo Mühlbauer
Willi Techlin
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 BRPI0816187A2 publication Critical patent/BRPI0816187A2/pt
Publication of BRPI0816187B1 publication Critical patent/BRPI0816187B1/pt

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
    • B01D5/0057—Condensation of vapours; Recovering volatile solvents by condensation in combination with other processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/1487—Removing organic compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/1493—Selection of liquid materials for use as absorbents
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D319/00—Heterocyclic compounds containing six-membered rings having two oxygen atoms as the only ring hetero atoms
    • C07D319/10—1,4-Dioxanes; Hydrogenated 1,4-dioxanes
    • C07D319/12—1,4-Dioxanes; Hydrogenated 1,4-dioxanes not condensed with other rings
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Analytical Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Biological Depolymerization Polymers (AREA)
BRPI0816187A 2007-09-03 2008-08-05 processo para condensação e/ou lavagem de um diéster em forma de vapor, biodegradável, cíclico intermolecular, de um ácido alfa-hidroxicarboxílico BRPI0816187B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP07017233A EP2030667B1 (de) 2007-09-03 2007-09-03 Verfahren zur Reinigung von Prozessdämpfen bei der Polylactidherstellung
PCT/EP2008/006432 WO2009030330A1 (de) 2007-09-03 2008-08-05 Kondensations- und waschvorrichtung, polymerisationsvorrichtung sowie verfahren zur reinigung von prozessdämpfen bei der polylactidherstellung

Publications (2)

Publication Number Publication Date
BRPI0816187A2 true BRPI0816187A2 (pt) 2015-04-14
BRPI0816187B1 BRPI0816187B1 (pt) 2019-02-05

Family

ID=38917473

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0816187A BRPI0816187B1 (pt) 2007-09-03 2008-08-05 processo para condensação e/ou lavagem de um diéster em forma de vapor, biodegradável, cíclico intermolecular, de um ácido alfa-hidroxicarboxílico

Country Status (14)

Country Link
US (2) US8430948B2 (pt)
EP (2) EP2030667B1 (pt)
KR (1) KR101180512B1 (pt)
CN (1) CN101820970B (pt)
AT (1) ATE501778T1 (pt)
BR (1) BRPI0816187B1 (pt)
CA (1) CA2698286C (pt)
DE (1) DE502007006729D1 (pt)
ES (1) ES2359086T3 (pt)
MX (1) MX2010002431A (pt)
RU (1) RU2471791C2 (pt)
TW (2) TWI481443B (pt)
WO (1) WO2009030330A1 (pt)
ZA (1) ZA201001399B (pt)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE502007006729D1 (de) 2007-09-03 2011-04-28 Uhde Inventa Fischer Gmbh Verfahren zur Reinigung von Prozessdämpfen bei der Polylactidherstellung
KR200455737Y1 (ko) 2009-05-19 2011-09-21 현대제철 주식회사 스팀 집진 설비 구조체
US8999257B2 (en) * 2009-09-22 2015-04-07 Fina Technology, Inc. Offgas stream direct contact condenser
CN102020628B (zh) * 2011-01-06 2013-07-31 云南富集生物材料科技有限公司 一种聚乳酸中间体丙交酯制备工艺的改进方法
EP2508548B1 (en) * 2011-04-05 2014-10-15 PURAC Biochem BV Method for removal of the cyclic diester of a 2-hydroxy alkanoic acid from a vapor
GB201112715D0 (en) 2011-07-22 2011-09-07 Edwards Ltd Sub-atmospheric pressure gas scrubbers
US9854839B2 (en) 2012-01-31 2018-01-02 Altria Client Services Llc Electronic vaping device and method
MY168977A (en) 2012-07-24 2019-01-29 Sulzer Management Ag Method for removing an ester from a vapor mixture
CN104548646A (zh) * 2013-12-07 2015-04-29 广西梧州日成林产化工股份有限公司 松节油分凝塔
KR102299757B1 (ko) * 2014-09-17 2021-09-08 술저 매니지멘트 에이지 폴리에스테르의 제조 공정 또는 락타이드의 제조 공정에서 환형 에스테르를 포함하는 축합된 상 조성물의 안정화 방법
DE102015206688B4 (de) 2015-04-14 2016-11-24 Thyssenkrupp Ag Verfahren zur Kristallisation und Abtrennung niedermolekularer Komponenten aus einem Granulat eines kristallisationsfähigen thermoplastischen Materials sowie Vorrichtung hierzu
RU2639705C1 (ru) * 2016-12-20 2017-12-22 Федеральное государственное бюджетное образовательное учреждение высшего образования "Российский химико-технологический университет имени Д.И. Менделеева" (РХТУ им. Д.И. Менделеева) Способ очистки l-лактида
US10266512B2 (en) 2017-08-10 2019-04-23 Novus International, Inc. Processes for preparing heteroatom containing cyclic dimers
BE1029670B1 (fr) 2021-08-02 2023-03-06 Futerro Sa Procédé de récupération de lactide et d'acide lactique lors des étapes de production de polylactide (PLA)
EP4140978A1 (fr) 2021-08-26 2023-03-01 Futerro S.A. Procédé de préparation d'acide acrylique ou d'ester d'acide acrylique par déshydratation catalytique à partir d'un flux de recyclage d'un procédé de production d'acide polylactique
EP4705373A1 (en) 2023-05-05 2026-03-11 Purac Biochem B.V. Process and system for removing lactide from a lactide-containing gas stream
CN117160067B (zh) * 2023-09-06 2026-03-20 中国神华煤制油化工有限公司 一种气相乙交酯真空冷凝系统和气相乙交酯处理方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4835293A (en) 1987-02-24 1989-05-30 E. I. Du Pont De Nemours And Company Atmospheric pressure process for preparing pure cyclic esters
US5266706A (en) 1990-10-23 1993-11-30 E. I. Du Pont De Nemours & Company Solvent scrubbing recovery of lactide and other dimeric cyclic esters
US5686630A (en) * 1993-09-29 1997-11-11 Chronopol, Inc. Purifying cyclic esters by aqueous solvent extraction
AU2001245416A1 (en) 2000-03-03 2001-09-17 Steen Research, Llc Method and apparatus for use of reacted hydrogen peroxide compounds in industrial process waters
DE10020898B4 (de) * 2000-04-20 2004-02-05 Inventa-Fischer Gmbh Verfahren zur Herstellung von Polymilchsäure und Vorrichtung hierzu
DE10257577A1 (de) 2002-12-10 2004-07-01 Basf Ag Verfahren zur Aufbereitung zerfallsfähigen Gase
DE102004018284A1 (de) * 2004-04-15 2005-11-03 Wacker-Chemie Gmbh Verfahren zur Ethylen-Rückgewinnung in einem Kreisgasprozess zur Herstellung von Vinylacetat
JP5355841B2 (ja) * 2004-12-17 2013-11-27 株式会社クレハ グリコール酸の連続精製方法、グリコリドの製造方法およびポリグリコール酸の製造方法
RU2301230C2 (ru) * 2005-03-23 2007-06-20 Российский химико-технологический университет им. Д.И. Менделеева Способ получения лактида
JP2007070413A (ja) * 2005-09-05 2007-03-22 Teijin Ltd ポリ乳酸組成物およびその製造方法
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
DE502007006729D1 (de) 2007-09-03 2011-04-28 Uhde Inventa Fischer Gmbh Verfahren zur Reinigung von Prozessdämpfen bei der Polylactidherstellung

Also Published As

Publication number Publication date
EP2030667B1 (de) 2011-03-16
RU2471791C2 (ru) 2013-01-10
US8430948B2 (en) 2013-04-30
ZA201001399B (en) 2010-10-27
MX2010002431A (es) 2010-03-31
ES2359086T3 (es) 2011-05-18
EP2200733A1 (de) 2010-06-30
US8702852B2 (en) 2014-04-22
US20130236366A1 (en) 2013-09-12
DE502007006729D1 (de) 2011-04-28
KR20100049690A (ko) 2010-05-12
CA2698286C (en) 2017-10-24
TWI481443B (zh) 2015-04-21
WO2009030330A1 (de) 2009-03-12
CN101820970B (zh) 2013-03-27
TWI548444B (zh) 2016-09-11
CN101820970A (zh) 2010-09-01
KR101180512B1 (ko) 2012-09-06
RU2010107422A (ru) 2011-10-10
US20100252076A1 (en) 2010-10-07
BRPI0816187B1 (pt) 2019-02-05
TW200918151A (en) 2009-05-01
ATE501778T1 (de) 2011-04-15
CA2698286A1 (en) 2009-03-12
TW201434522A (zh) 2014-09-16
EP2030667A1 (de) 2009-03-04

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B09X Republication of the decision to grant [chapter 9.1.3 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

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