IN2015DN00377A - - Google Patents
Info
- Publication number
- IN2015DN00377A IN2015DN00377A IN377DEN2015A IN2015DN00377A IN 2015DN00377 A IN2015DN00377 A IN 2015DN00377A IN 377DEN2015 A IN377DEN2015 A IN 377DEN2015A IN 2015DN00377 A IN2015DN00377 A IN 2015DN00377A
- Authority
- IN
- India
- Prior art keywords
- ester
- aqueous solution
- reaction step
- precedes
- circulation
- Prior art date
Links
Classifications
-
- 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
-
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/96—Regeneration, reactivation or recycling of reactants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/202—Alkali metals
- B01D2255/2022—Potassium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/202—Alkali metals
- B01D2255/2027—Sodium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/204—Alkaline earth metals
- B01D2255/2045—Calcium
-
- 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
- B01D53/1425—Regeneration of liquid absorbents
-
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8668—Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- Health & Medical Sciences (AREA)
- Sustainable Development (AREA)
- Life Sciences & Earth Sciences (AREA)
- Polyesters Or Polycarbonates (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
- Gas Separation By Absorption (AREA)
Abstract
A method for the removal of an ester (3 ) from a vapor mixture (5 ) containing the ester (3 ) is disclosed. The method comprises the steps of by bringing the vapor (5) mixture (5 ) into contact with an aqueous solution (6 ) containing the acid (4 ) corresponding to the ester (3 ) wherein a portion of the ester (3 ) is dissolved in or otherwise transferred to the aqueous solution (6 ) and the aqueous solution (6 ) is after the contact led in a circulation (73) the aqueous solution (6 ) is processed in the circulation (73) in a process comprising: a heating step (240) a (10) reaction step (250) having a residence time and a temperature a cooling step (260) wherein the heating step (240) precedes the reaction step (250) the reaction step (250) precedes the cooling step (260) and the residence time and the temperature in the reaction step (250) are sufficient to substantially reduce the content of the ester (3 ) in the aqueous solution (6 ). The invention further (15) relates to an apparatus (1) for carrying out said process. The present invention further relates also to the use of the apparatus (1) in the method of the invention preferably in the production of a lactide (13 ) or a polylactic acid polymer (12 ).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP12177650 | 2012-07-24 | ||
| PCT/EP2013/058394 WO2014015999A1 (en) | 2012-07-24 | 2013-04-23 | Method for removing an ester from a vapor mixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN2015DN00377A true IN2015DN00377A (en) | 2015-06-12 |
Family
ID=48444337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN377DEN2015 IN2015DN00377A (en) | 2012-07-24 | 2013-04-23 |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US9700840B2 (en) |
| EP (1) | EP2854991B1 (en) |
| JP (1) | JP6117356B2 (en) |
| KR (1) | KR102052488B1 (en) |
| CN (1) | CN104619398B (en) |
| AU (1) | AU2013295366A1 (en) |
| BR (1) | BR112015001292B1 (en) |
| CA (1) | CA2879358C (en) |
| DK (1) | DK2854991T3 (en) |
| ES (1) | ES2799501T3 (en) |
| IN (1) | IN2015DN00377A (en) |
| MX (1) | MX357161B (en) |
| MY (1) | MY168977A (en) |
| NZ (1) | NZ703552A (en) |
| PH (1) | PH12015500173A1 (en) |
| RU (1) | RU2610759C2 (en) |
| TW (1) | TW201425378A (en) |
| WO (1) | WO2014015999A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016041722A1 (en) | 2014-09-17 | 2016-03-24 | Sulzer Chemtech Ag | A method for stabilizing a condensed phase composition including a cyclic ester in a process of manufacturing a polyester or of lactide |
| US10493248B2 (en) | 2016-11-09 | 2019-12-03 | Medtronic Vascular, Inc. | Chordae tendineae management devices for use with a valve prosthesis delivery system and methods of use thereof |
| BE1029670B1 (en) | 2021-08-02 | 2023-03-06 | Futerro Sa | Process for recovering lactide and lactic acid during polylactide (PLA) production steps |
| EP4140978A1 (en) | 2021-08-26 | 2023-03-01 | Futerro S.A. | Method for preparing an acrylic acid or acrylic acid ester by catalytic dehydration from a recycling flow from a method for producing polylactic acid |
| CN114573797A (en) * | 2022-04-01 | 2022-06-03 | 温州邦鹿化工有限公司 | Continuous polymerization process for producing polylactic acid slices from lactide |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4708721A (en) * | 1984-12-03 | 1987-11-24 | General Signal Corporation | Solvent absorption and recovery system |
| 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 |
| DE4040334C2 (en) | 1990-12-17 | 1999-12-02 | Gewerk Keramchemie | Method and device for recovering solvents from an exhaust air stream |
| JP3343477B2 (en) * | 1996-07-03 | 2002-11-11 | 株式会社神戸製鋼所 | Method for producing polylactic acid |
| JP2001518126A (en) | 1997-02-14 | 2001-10-09 | フォータム オイル アンド ガス オイ | Method for removing and recovering lactide from polylactide |
| DE10316466A1 (en) | 2003-04-09 | 2004-10-28 | Basf Ag | Cooling and cleaning of gas flows |
| CA2651896C (en) * | 2006-05-18 | 2016-01-19 | Basf Se | Removal of acid gases from a fluid flow by means of reduced coabsorption of hydrocarbons and oxygen |
| DE502007006729D1 (en) * | 2007-09-03 | 2011-04-28 | Uhde Inventa Fischer Gmbh | Process for purifying process vapors in polylactide production |
| WO2009121830A1 (en) | 2008-03-31 | 2009-10-08 | Purac Biochem Bv | Method for manufacturing stable polylactide |
| MX2011001111A (en) | 2008-07-31 | 2011-06-16 | Purac Biochem Bv | Process for the continuous production of polyesters. |
| DE102011017032A1 (en) * | 2011-04-14 | 2012-10-18 | Linde Aktiengesellschaft | Process and installation for depleting nitrogen oxides from oxygen-containing gas streams |
-
2013
- 2013-04-23 MX MX2015000960A patent/MX357161B/en active IP Right Grant
- 2013-04-23 IN IN377DEN2015 patent/IN2015DN00377A/en unknown
- 2013-04-23 NZ NZ703552A patent/NZ703552A/en not_active IP Right Cessation
- 2013-04-23 AU AU2013295366A patent/AU2013295366A1/en not_active Abandoned
- 2013-04-23 BR BR112015001292-2A patent/BR112015001292B1/en active IP Right Grant
- 2013-04-23 US US14/415,784 patent/US9700840B2/en active Active
- 2013-04-23 KR KR1020157004656A patent/KR102052488B1/en active IP Right Grant
- 2013-04-23 DK DK13722703.9T patent/DK2854991T3/en active
- 2013-04-23 JP JP2015523451A patent/JP6117356B2/en active Active
- 2013-04-23 MY MYPI2015700142A patent/MY168977A/en unknown
- 2013-04-23 ES ES13722703T patent/ES2799501T3/en active Active
- 2013-04-23 EP EP13722703.9A patent/EP2854991B1/en active Active
- 2013-04-23 CN CN201380038844.9A patent/CN104619398B/en active Active
- 2013-04-23 RU RU2015105784A patent/RU2610759C2/en active
- 2013-04-23 CA CA2879358A patent/CA2879358C/en active Active
- 2013-04-23 WO PCT/EP2013/058394 patent/WO2014015999A1/en active Application Filing
- 2013-07-19 TW TW102125939A patent/TW201425378A/en unknown
-
2015
- 2015-01-26 PH PH12015500173A patent/PH12015500173A1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CA2879358A1 (en) | 2014-01-30 |
| RU2015105784A (en) | 2016-09-10 |
| RU2610759C2 (en) | 2017-02-15 |
| KR102052488B1 (en) | 2020-01-08 |
| BR112015001292A2 (en) | 2017-07-04 |
| JP2015530916A (en) | 2015-10-29 |
| CA2879358C (en) | 2020-09-15 |
| KR20150032592A (en) | 2015-03-26 |
| DK2854991T3 (en) | 2020-07-13 |
| JP6117356B2 (en) | 2017-04-19 |
| MX2015000960A (en) | 2015-04-16 |
| PH12015500173A1 (en) | 2015-03-16 |
| MY168977A (en) | 2019-01-29 |
| AU2013295366A1 (en) | 2015-01-29 |
| CN104619398B (en) | 2017-06-06 |
| WO2014015999A1 (en) | 2014-01-30 |
| MX357161B (en) | 2018-06-28 |
| TW201425378A (en) | 2014-07-01 |
| BR112015001292B1 (en) | 2021-07-06 |
| EP2854991A1 (en) | 2015-04-08 |
| CN104619398A (en) | 2015-05-13 |
| US9700840B2 (en) | 2017-07-11 |
| US20150151247A1 (en) | 2015-06-04 |
| ES2799501T3 (en) | 2020-12-18 |
| EP2854991B1 (en) | 2020-04-08 |
| NZ703552A (en) | 2016-08-26 |
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