BR9601031A - Processo para a purificação de àcido acético - Google Patents

Processo para a purificação de àcido acético

Info

Publication number
BR9601031A
BR9601031A BR9601031A BR9601031A BR9601031A BR 9601031 A BR9601031 A BR 9601031A BR 9601031 A BR9601031 A BR 9601031A BR 9601031 A BR9601031 A BR 9601031A BR 9601031 A BR9601031 A BR 9601031A
Authority
BR
Brazil
Prior art keywords
purification
acetic acid
acetic
acid
Prior art date
Application number
BR9601031A
Other languages
English (en)
Inventor
Takaharu Sasaki
Masayuki Fujimoto
Takashige Miyanari
Hiroshi Nishino
Original Assignee
Showa Denko Kk
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 Showa Denko Kk filed Critical Showa Denko Kk
Publication of BR9601031A publication Critical patent/BR9601031A/pt

Links

Classifications

    • 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
    • C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C53/00—Saturated compounds having only one carboxyl group bound to an acyclic carbon atom or hydrogen
    • C07C53/08—Acetic acid
BR9601031A 1995-09-29 1996-03-15 Processo para a purificação de àcido acético BR9601031A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP25400495 1995-09-29

Publications (1)

Publication Number Publication Date
BR9601031A true BR9601031A (pt) 1998-01-06

Family

ID=17258929

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9601031A BR9601031A (pt) 1995-09-29 1996-03-15 Processo para a purificação de àcido acético

Country Status (12)

Country Link
US (1) US5662780A (pt)
KR (1) KR100414249B1 (pt)
CN (1) CN1058700C (pt)
BR (1) BR9601031A (pt)
CA (1) CA2171228A1 (pt)
DE (1) DE19610356B4 (pt)
FR (1) FR2739377B1 (pt)
GB (1) GB2305664B (pt)
MX (1) MX9600930A (pt)
MY (1) MY112825A (pt)
SG (1) SG52591A1 (pt)
TW (1) TW330200B (pt)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6153792A (en) * 1997-12-18 2000-11-28 Uop Llc Carbonylation process using a flash step with washing
US6114576A (en) * 1997-12-18 2000-09-05 Uop Llc Carbonylation process with integrated heat exchange
DE19934411C1 (de) 1999-07-22 2001-03-22 Consortium Elektrochem Ind Verfahren zur Trennung und Reinigung einew wäßrigen Gemisches aus den Hauptkomponenten Essigsäure und Ameisensäure
DE19934410C1 (de) † 1999-07-22 2000-12-14 Consortium Elektrochem Ind Verfahren zur Trennung und Reinigung eines wäßrigen Gemisches aus den Hauptkomponenten Essigsäure und Ameisensäure
US20070068792A1 (en) * 2005-09-23 2007-03-29 Jang Jiyoung System and method for acetic acid dehydration
US8268131B2 (en) * 2009-03-24 2012-09-18 Amt International, Inc. Apparatus and method for recovery of acetic acid from an aqueous solution thereof
WO2011022811A1 (en) * 2009-08-27 2011-03-03 Logen Energy Corporation Recovery of volatile carboxylic acids by a stripper- extractor system
US9217862B2 (en) 2010-06-08 2015-12-22 Prysm, Inc. Local dimming on light-emitting screens for improved image uniformity in scanning beam display systems
CN102952004B (zh) * 2012-01-11 2015-01-21 河北工业大学 连续共沸精馏法分离乙二醇单甲醚和水的工艺方法
CN102659555A (zh) * 2012-04-17 2012-09-12 华东理工大学 一种采用部分冷凝技术的醋酸脱水工艺
CN102875354A (zh) * 2012-10-31 2013-01-16 南京工业大学 一种回收粗对苯二甲酸滤饼中醋酸的方法
US9149736B2 (en) * 2012-12-13 2015-10-06 Invista North America S.A.R.L. Dehydration of acetic acid by azeotropic distillation in the production of an aromatic acid
WO2016100768A1 (en) 2014-12-19 2016-06-23 Eastman Chemical Company Quaternary carboxylate compositions for extracting c1 to c4 carboxylic acids from aqueous streams
FI126451B (fi) 2014-12-23 2016-12-15 Chempolis Oy Prosessijärjestelmä kemikaalien erottelemiseksi, tislauskolonnijärjestely ja kemikaalien erottelumenetelmä
CN107406469B (zh) 2015-12-18 2021-04-30 伊士曼化工公司 用于从水性料流中萃取c1至c4羧酸的季芳基羧酸盐组合物
US9611209B1 (en) 2015-12-18 2017-04-04 Eastman Chemical Company Quaternary arylcarboxylate compositions for extracting C1 to C4 carboxylic acids from aqueous streams
CN116516707A (zh) * 2018-05-28 2023-08-01 皮尔森生物工程技术(北京)有限公司 用于从植物材料的有机酸预处理回收产物的有效方法和组合物
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
CN109467499A (zh) * 2018-08-03 2019-03-15 天津大学 聚乙烯醇母液回收过程中醋酸甲酯水解与醋酸精制的防腐工艺及装置
CN109384666B (zh) 2018-11-26 2021-06-22 广州楹鼎生物科技有限公司 一种联动回收有机酸水溶液中有机酸的方法
KR102122433B1 (ko) * 2019-07-03 2020-06-12 부경대학교 산학협력단 추출과 증류를 이용한 c2-6 유기산의 분리장치 및 이 장치를 이용한 분리방법
CN114478236A (zh) * 2020-10-27 2022-05-13 中国石油化工股份有限公司 从废水中回收醋酸的方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2384374A (en) * 1945-09-04 Recovery of acetic acid in purified
US998234A (en) * 1909-08-17 1911-07-18 William John Crossley Process of recovering acetic acid in producer-gas plants.
US1698798A (en) * 1924-08-14 1929-01-15 Barbet Ets Rectification of acetic acid
US2015870A (en) * 1930-09-08 1935-10-01 Melle Usines Sa Process and apparatus for concentrating and esterifying aliphatic acids
US2395010A (en) * 1941-02-17 1946-02-19 Donald F Othmer Process for dehydration of acetic acid and other lower fatty acids
US2438300A (en) * 1944-04-07 1948-03-23 Us Agriculture Process for the purification of acetic acid by azeotropic distillation
US2541486A (en) * 1948-09-17 1951-02-13 Eastman Kodak Co Acid concentration
US2698285A (en) * 1949-05-28 1954-12-28 Kellogg M W Co Separation of organic acids by azeotropic distillation
US2651605A (en) * 1951-02-09 1953-09-08 Courtaulds Ltd Recovery of acetic acid from aqueous acetic acid solutions by extractive distillation
US2893923A (en) * 1954-05-28 1959-07-07 Celanese Corp Purification of acetic acid by azeotropic distillation
US2878283A (en) * 1957-01-23 1959-03-17 Donald F Othmer Process for recovering acetic acid
US3052610A (en) * 1960-05-19 1962-09-04 Kurashiki Rayon Co Concentration of acetic acid
US3347756A (en) * 1962-11-08 1967-10-17 Distillers Co Yeast Ltd Production of pure acetic acid from methyl vinyl ketone by distillation
FR1399653A (fr) * 1964-04-06 1965-05-21 Melle Usines Sa Procédé continu de préparation de dérivés fonctionnels d'alcools
US3791935A (en) * 1971-11-10 1974-02-12 Monsanto Co Purification of carboxylic acids
BE791577A (fr) * 1971-11-19 1973-05-17 Monsanto Co Purification de courants d'acide carboxylique
US4143066A (en) * 1976-12-16 1979-03-06 The Dow Chemical Company Separation and recovery of carboxylic acids from water
JPS6025949A (ja) * 1983-07-07 1985-02-08 ヘキスト・セラニーズ・コーポレーション 水溶液から酢酸を回収するための高沸点溶剤系

Also Published As

Publication number Publication date
GB9604859D0 (en) 1996-05-08
DE19610356B4 (de) 2006-05-11
MY112825A (en) 2001-09-29
DE19610356A1 (de) 1997-04-03
CN1058700C (zh) 2000-11-22
FR2739377B1 (fr) 1998-02-20
GB2305664A (en) 1997-04-16
CN1150583A (zh) 1997-05-28
US5662780A (en) 1997-09-02
GB2305664B (en) 1998-09-09
SG52591A1 (en) 1998-09-28
KR100414249B1 (ko) 2004-04-13
KR970015553A (ko) 1997-04-28
CA2171228A1 (en) 1997-03-30
FR2739377A1 (fr) 1997-04-04
TW330200B (en) 1998-04-21
MX9600930A (es) 1997-03-29

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Legal Events

Date Code Title Description
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]