JPS50117713A - - Google Patents

Info

Publication number
JPS50117713A
JPS50117713A JP50019986A JP1998675A JPS50117713A JP S50117713 A JPS50117713 A JP S50117713A JP 50019986 A JP50019986 A JP 50019986A JP 1998675 A JP1998675 A JP 1998675A JP S50117713 A JPS50117713 A JP S50117713A
Authority
JP
Japan
Legal status (The legal status 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 status listed.)
Pending
Application number
JP50019986A
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 filed Critical
Publication of JPS50117713A publication Critical patent/JPS50117713A/ja
Pending legal-status Critical Current

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
    • C07C51/43—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
    • 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
JP50019986A 1974-02-20 1975-02-19 Pending JPS50117713A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742408011 DE2408011A1 (de) 1974-02-20 1974-02-20 Verfahren zur gewinnung von technisch reiner essigsaeure durch extraktivdestillation

Publications (1)

Publication Number Publication Date
JPS50117713A true JPS50117713A (ja) 1975-09-16

Family

ID=5907871

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50019986A Pending JPS50117713A (ja) 1974-02-20 1975-02-19

Country Status (10)

Country Link
US (1) US3951755A (ja)
JP (1) JPS50117713A (ja)
BE (1) BE825761A (ja)
CA (1) CA1052315A (ja)
CH (1) CH594587A5 (ja)
DE (1) DE2408011A1 (ja)
FR (1) FR2261250B1 (ja)
GB (1) GB1440908A (ja)
IT (1) IT1031819B (ja)
NL (1) NL7501765A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005154435A (ja) * 2003-11-07 2005-06-16 Mitsubishi Chemicals Corp モノカルボン酸の分離方法

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2545658C2 (de) * 1975-10-11 1985-12-19 Basf Ag, 6700 Ludwigshafen Verfahren zur Gewinnung von Carbonsäuren aus ihren wäßrigen Lösungen
US4217460A (en) * 1975-10-11 1980-08-12 Basf Aktiengesellschaft Isolation of formic acid from its aqueous solutions
FR2466448A1 (fr) * 1979-10-01 1981-04-10 Propylox Sa Procede pour la recuperation d'acides carboxyliques a partir de melanges contenant des esters de glycols derives de ces acides
NL8103517A (nl) * 1981-07-24 1983-02-16 Badger Bv Werkwijze voor het scheiden van carbonzuren van mengsels met niet-zuren door een absorptie-stripbehandeling.
DE3319651A1 (de) * 1983-05-31 1984-12-06 Basf Ag, 6700 Ludwigshafen Verfahren zur destillativen gewinnung von ameisensaeure
US4735690A (en) * 1986-03-10 1988-04-05 Lloyd Berg Dehydration of impure formic acid by extractive distillation
US4670105A (en) * 1986-04-07 1987-06-02 Lloyd Berg Dehydration of propanoic acid by extractive distillation
US4729818A (en) * 1987-04-16 1988-03-08 Lloyd Berg Dehydration of acetic acid by extractive distillation
US4894482A (en) * 1988-12-06 1990-01-16 Hoechst Celanese Corporation Process for drying hydrogen fluoride-carboxylic acid mixtures
US5167774A (en) * 1992-02-06 1992-12-01 Lloyd Berg Dehydration of acetic acid by extractive distillation
WO1994009154A1 (en) * 1992-10-13 1994-04-28 United States Biochemical Corporation Stop solution
US6946060B2 (en) * 2002-07-01 2005-09-20 Mallinckrodt Inc. Purification of N,N-dimethylacetamide
US8729301B2 (en) * 2008-04-03 2014-05-20 Dow Corning Corporation Method of dehydrating acetic acid
CN102574767B (zh) 2009-08-27 2014-05-07 艾欧基能源公司 通过萃取蒸发回收挥发性羧酸
CA2772112A1 (en) 2009-08-27 2011-03-03 Iogen Energy Corporation Recovery of volatile carboxylic acids by a stripper- extractor system
CN104447275A (zh) * 2014-11-28 2015-03-25 浙江新和成药业有限公司 一种从醋酸废水中提纯醋酸的方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2425542A (en) * 1944-07-13 1947-08-12 Vernon K Krieble Process for dehydrating carboxylic acids
US2578698A (en) * 1948-09-24 1951-12-18 Kellogg M W Co Dehydration of organic acids
US3890208A (en) * 1973-08-13 1975-06-17 Petro Tex Chem Corp Extractive distillation with furfurol and acyclic ketone cosolvent

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005154435A (ja) * 2003-11-07 2005-06-16 Mitsubishi Chemicals Corp モノカルボン酸の分離方法

Also Published As

Publication number Publication date
FR2261250B1 (ja) 1978-08-18
FR2261250A1 (ja) 1975-09-12
CH594587A5 (ja) 1978-01-13
DE2408011A1 (de) 1975-09-04
NL7501765A (nl) 1975-08-22
CA1052315A (en) 1979-04-10
US3951755A (en) 1976-04-20
IT1031819B (it) 1979-05-10
GB1440908A (en) 1976-06-30
BE825761A (fr) 1975-08-20

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