AR067614A1 - Destilacion azeotropica con regeneracion del agente de arrastre - Google Patents
Destilacion azeotropica con regeneracion del agente de arrastreInfo
- Publication number
- AR067614A1 AR067614A1 ARP080103125A ARP080103125A AR067614A1 AR 067614 A1 AR067614 A1 AR 067614A1 AR P080103125 A ARP080103125 A AR P080103125A AR P080103125 A ARP080103125 A AR P080103125A AR 067614 A1 AR067614 A1 AR 067614A1
- Authority
- AR
- Argentina
- Prior art keywords
- organic
- azeotropic distillation
- agent
- entraining agent
- feed
- Prior art date
Links
Classifications
-
- 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
- B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
- B01D3/36—Azeotropic distillation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
- C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
- C07C51/46—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation by azeotropic distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Proceso para la destilacion azeotropica de una alimentacion, en donde la alimentacion comprende un ácido carboxílico alifático y agua, que comprende conducir la destilacion azeotropica en la presencia de un agente de arrastre orgánico para producir un componente en fase liquida que comprende a dicho ácido carboxílico alifático con un contenido reducido de agua con relacion al contenido de agua en la alimentacion y un componente en fase vapor que comprende al agente de arrastre orgánico, un producto secundario del agente de arrastre orgánico y agua, y ya sea (i) devolver una corriente que comprende al producto secundario del agente de arrastre orgánico hasta un punto en la destilacion azeotropica por debajo de donde ingresa la alimentacion, en donde dicho producto secundario del agente de arrastre orgánico es convertido en el agente de arrastre orgánico o (ii) convertir el producto secundario del agente de arrastre orgánico en el agente de arrastre orgánico y luego devolver el agente de arrastre orgánico a la destilacion azeotropica.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US95042607P | 2007-07-18 | 2007-07-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
AR067614A1 true AR067614A1 (es) | 2009-10-14 |
Family
ID=40281906
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ARP080103125A AR067614A1 (es) | 2007-07-18 | 2008-07-18 | Destilacion azeotropica con regeneracion del agente de arrastre |
Country Status (5)
Country | Link |
---|---|
CN (1) | CN101854989A (es) |
AR (1) | AR067614A1 (es) |
SA (1) | SA08290441B1 (es) |
TW (1) | TW200909408A (es) |
WO (1) | WO2009013623A2 (es) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8382961B2 (en) * | 2010-06-07 | 2013-02-26 | Amt International, Inc. | System and method for reduction of water consumption in purified terephthalic acid production |
GB201015986D0 (en) | 2010-09-23 | 2010-11-03 | Davy Process Techn Ltd | Process and apparatus |
EP2461613A1 (en) * | 2010-12-06 | 2012-06-06 | Gemalto SA | Methods and system for handling UICC data |
WO2012078728A1 (en) | 2010-12-10 | 2012-06-14 | Dow Global Technologies Llc | Apparatus and process for using olefin as an azeotropic entrainer for isolating 1,3-dichloro-2-propanol from a 2,2'-oxybis (1-chloropropane) waste stream |
CN103328432B (zh) * | 2010-12-10 | 2015-07-22 | 安格斯化学公司 | 利用硝基烷作为共沸剂从酸的水溶液中共沸除去水的设备和方法 |
WO2012148643A1 (en) * | 2011-04-18 | 2012-11-01 | Dow Global Technologies Llc | Apparatus and process for nitration selectivity flexibility enabled by azeotropic distillation |
CN105381624A (zh) * | 2015-11-24 | 2016-03-09 | 肥城金威机械有限公司 | 基于共沸精馏法的醋酸回收装置及方法 |
CN109467501B (zh) * | 2018-08-03 | 2024-02-20 | 内蒙古蒙维科技有限公司 | 聚乙烯醇母液回收单元中醋酸精制及共沸剂再生工艺和装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53116314A (en) * | 1977-03-19 | 1978-10-11 | Mitsui Petrochem Ind Ltd | Separation of acetic acid and water |
JPS61109750A (ja) * | 1984-11-02 | 1986-05-28 | Shinetsu Sakusan Vinyl Kk | カルボン酸水溶液の脱水蒸留方法 |
DE69511095T2 (de) * | 1994-08-23 | 2000-04-06 | E.I. Du Pont De Nemours And Co. | Dehydratisierung der essigsäure durch azeotropische destillation in der herstellung von aromatischen säure |
ID22632A (id) * | 1997-04-09 | 1999-12-02 | Du Pont | Proses pemisahan air |
WO2002068375A1 (fr) * | 2001-02-27 | 2002-09-06 | Mitsubishi Chemical Corporation | Procede de distillation azeotropique |
US7048835B2 (en) * | 2002-02-12 | 2006-05-23 | Amt International, Inc. | System and method for acetic acid recovery during terephthalic acid production |
AU2003262636A1 (en) * | 2003-08-12 | 2005-03-10 | Amt International, Inc. | System and method for acetic acid recovery during terephthalic acid production |
-
2008
- 2008-06-27 WO PCT/IB2008/002698 patent/WO2009013623A2/en active Application Filing
- 2008-06-27 CN CN200880108239A patent/CN101854989A/zh active Pending
- 2008-07-04 TW TW097125461A patent/TW200909408A/zh unknown
- 2008-07-16 SA SA8290441A patent/SA08290441B1/ar unknown
- 2008-07-18 AR ARP080103125A patent/AR067614A1/es unknown
Also Published As
Publication number | Publication date |
---|---|
TW200909408A (en) | 2009-03-01 |
CN101854989A (zh) | 2010-10-06 |
WO2009013623A3 (en) | 2009-08-06 |
WO2009013623A2 (en) | 2009-01-29 |
SA08290441B1 (ar) | 2012-02-07 |
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Legal Events
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