DE1568022C3 - - Google Patents

Info

Publication number
DE1568022C3
DE1568022C3 DE19661568022 DE1568022A DE1568022C3 DE 1568022 C3 DE1568022 C3 DE 1568022C3 DE 19661568022 DE19661568022 DE 19661568022 DE 1568022 A DE1568022 A DE 1568022A DE 1568022 C3 DE1568022 C3 DE 1568022C3
Authority
DE
Germany
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.)
Expired
Application number
DE19661568022
Other versions
DE1568022B2 (de
DE1568022A1 (de
Inventor
Akira Tokio Yomiyama
Tsuneyuki Yokohama Kato
Atsushi Kawasaki Aoshima
Tokuichiro Yokohama Kawanishi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Asahi Kasei Corp
Original Assignee
Asahi Kasei Corp
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
Priority to JP3890565 priority Critical
Priority to JP3890665A priority patent/JPS5011364B1/ja
Application filed by Asahi Kasei Corp filed Critical Asahi Kasei Corp
Publication of DE1568022A1 publication Critical patent/DE1568022A1/de
Publication of DE1568022B2 publication Critical patent/DE1568022B2/de
Application granted granted Critical
Publication of DE1568022C3 publication Critical patent/DE1568022C3/de
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42Separation; Purification; Stabilisation; Use of additives
    • C07C51/43Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
    • C07C51/44Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
    • C07C51/46Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation by azeotropic distillation
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S203/00Distillation: processes, separatory
    • Y10S203/22Accessories
DE19661568022 1965-06-30 1966-06-30 Expired DE1568022C3 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP3890565 1965-06-30
JP3890665A JPS5011364B1 (de) 1965-06-30 1965-06-30

Publications (3)

Publication Number Publication Date
DE1568022A1 DE1568022A1 (de) 1970-02-05
DE1568022B2 DE1568022B2 (de) 1973-05-30
DE1568022C3 true DE1568022C3 (de) 1974-01-10

Family

ID=26378200

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19661568022 Expired DE1568022C3 (de) 1965-06-30 1966-06-30

Country Status (3)

Country Link
US (1) US3433831A (de)
DE (1) DE1568022C3 (de)
GB (1) GB1120284A (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3666632A (en) * 1968-10-08 1972-05-30 Asahi Chemical Ind Method for the separation of acrylic acid from aqueous solution containing acrylic acid and acetic acid
US3527677A (en) * 1969-03-06 1970-09-08 Goodrich Co B F Process for dehydration of aqueous acrylic acid solutions by extractive - azeotropic distillation with 2-ethylhexanol or 2-ethylhexylacrylate
GB1307582A (en) * 1969-06-10 1973-02-21 Rohm & Haas Inhibition of polymerization of acrylic acids
DE1965014A1 (de) * 1969-12-27 1971-07-01 Knapsack Ag Verfahren zur Abtrennung von Acrylsaeure aus waessriger Rohacrylsaeure
DE2005163A1 (de) * 1970-02-05 1971-08-19
BE786398A (fr) * 1971-07-21 1973-01-18 Basf Ag Procede de preparation de l'acide acrylique anhydre
JPS5534784B2 (de) * 1972-05-23 1980-09-09
NL180579C (nl) * 1972-05-24 1987-03-16 Sumitomo Chemical Co Werkwijze voor het scheiden van een mengsel bestaande uit acrylzuur, azijnzuur en water.
US4021310A (en) * 1972-12-22 1977-05-03 Nippon Shokubai Kagaku Kogyo Co., Ltd. Method for inhibiting the polymerization of acrylic acid or its esters
US4040913A (en) * 1975-09-02 1977-08-09 Rohm And Haas Company Recovery of methacrylic acid from the effluent obtained from the condensation of formaldehyde and propionic acid
US4061545A (en) * 1976-02-19 1977-12-06 Cosden Technology, Inc. Polymerization inhibitor for vinyl aromatic compounds
US4143066A (en) * 1976-12-16 1979-03-06 The Dow Chemical Company Separation and recovery of carboxylic acids from water
US4166774A (en) * 1977-12-05 1979-09-04 The Standard Oil Company Acrylic acid recovery and purification
US4142058A (en) * 1977-12-08 1979-02-27 Mitsubishi Rayon Co., Ltd. Method of separating and purifying methacrylic acid
US4252748A (en) * 1978-12-29 1981-02-24 Halcon Research And Development Corporation Recovery of acetone produced by carbonylation
US4353784A (en) * 1981-09-21 1982-10-12 Daicel Chemical Industries, Ltd. Method of recovery of acetic acid
US4599144A (en) * 1984-06-25 1986-07-08 Standard Oil Company (Indiana) Process for recovery of methacrylic acid
TW295580B (de) * 1992-01-09 1997-01-11 Nippon Catalytic Chem Ind
DE19648743A1 (de) 1996-11-25 1998-05-28 Basf Ag Verfahren zur Herstellung von (Meth)acrylsäureestern
US6084127A (en) * 1997-02-28 2000-07-04 Nippon Shokubai Co Ltd Method for recovering acrylic acid
DE19814449A1 (de) 1998-03-31 1999-10-07 Basf Ag Verfahren zur Herstellung von (Meth)acrylsäure und (Meth)acrylsäureestern
US20030150705A1 (en) * 2002-01-08 2003-08-14 Deshpande Sanjeev D. Acrylic acid recovery utilizing ethyl acrylate and selected co-solvents
TWI529181B (zh) * 2005-02-28 2016-04-11 贏創德固賽有限責任公司 以可更新原料為基之吸水聚合物結構及其生產的方法
US8268131B2 (en) * 2009-03-24 2012-09-18 Amt International, Inc. Apparatus and method for recovery of acetic acid from an aqueous solution thereof
DE102010028781A1 (de) * 2010-05-10 2011-11-10 Evonik Stockhausen Gmbh Abtrennung von Acrylsäure mittels einer einen Seitenabzug aufweisenden Destillationskolonne
US9944582B2 (en) 2013-05-20 2018-04-17 Saudi Basic Industries Corporation Method for the purification of acetic acid and acrylic acid

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1668380A (en) * 1923-12-28 1928-05-01 Distilleries Des Deux Sevres Continuous process for the dehydration of volatile fatty acids
US1860553A (en) * 1926-07-01 1932-05-31 Us Ind Alcohol Co Process for the extraction in the anhydrous state of fatty acids contained in dilute aqueous solutions
US1915002A (en) * 1929-03-19 1933-06-20 Us Ind Alcohol Co Process of obtaining fatty acids in anhydrous state from aqueous solutions
US2854385A (en) * 1953-12-24 1958-09-30 Melle Usines Sa Treatment of acetic acid and mixtures thereof
US3337740A (en) * 1962-02-13 1967-08-22 Deering Milliken Res Corp Process for separating acrylic acid from impurities
GB995472A (en) * 1963-05-16 1965-06-16 Distillers Co Yeast Ltd Improvements in or relating to acrylic acid production

Also Published As

Publication number Publication date
GB1120284A (en) 1968-07-17
DE1568022B2 (de) 1973-05-30
US3433831A (en) 1969-03-18
DE1568022A1 (de) 1970-02-05

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
8339 Ceased/non-payment of the annual fee