BE740960A - - Google Patents

Info

Publication number
BE740960A
BE740960A BE740960DA BE740960A BE 740960 A BE740960 A BE 740960A BE 740960D A BE740960D A BE 740960DA BE 740960 A BE740960 A BE 740960A
Authority
BE
Belgium
Application number
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 BE740960A publication Critical patent/BE740960A/xx

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
    • C07C51/48Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE740960D 1968-10-29 1969-10-29 BE740960A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1805758A DE1805758C3 (de) 1968-10-29 1968-10-29 Verfahren zur Abtrennung von Acrylsäure aus wäßriger Rohacrylsäure

Publications (1)

Publication Number Publication Date
BE740960A true BE740960A (xx) 1970-04-29

Family

ID=5711804

Family Applications (1)

Application Number Title Priority Date Filing Date
BE740960D BE740960A (xx) 1968-10-29 1969-10-29

Country Status (6)

Country Link
US (1) US3657332A (xx)
BE (1) BE740960A (xx)
DE (1) DE1805758C3 (xx)
FR (1) FR2022325A1 (xx)
GB (1) GB1235634A (xx)
NL (1) NL6916090A (xx)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2121123C3 (de) * 1971-04-29 1980-06-12 Basf Ag, 6700 Ludwigshafen Verfahren zum Abtrennen von Wasser aus wäßrigen Lösungen von Acrylsäure durch azeotrope Destillation
BE786398A (fr) * 1971-07-21 1973-01-18 Basf Ag Procede de preparation de l'acide acrylique anhydre
JPS5534784B2 (xx) * 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.
JPS6016927B2 (ja) * 1979-07-19 1985-04-30 三菱レイヨン株式会社 メタクリル酸の抽出分離法
US5154800A (en) * 1992-01-31 1992-10-13 Lloyd Berg Dehydration of acrylic acid by extractive distillation
DE10301040B4 (de) 2003-01-13 2005-07-21 Stockhausen Gmbh Aufreinigung eines Monomers durch Extraktion mit einem Phasenbildner und Kristallisation
CN105061193B (zh) * 2015-08-10 2017-03-22 蓝星(北京)技术中心有限公司 蛋氨酸生产废水处理中回收有机物的方法

Also Published As

Publication number Publication date
DE1805758C3 (de) 1974-07-18
NL6916090A (xx) 1970-05-04
DE1805758B2 (de) 1973-12-06
GB1235634A (en) 1971-06-16
DE1805758A1 (de) 1970-05-21
US3657332A (en) 1972-04-18
FR2022325A1 (xx) 1970-07-31

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