NO20023513L - Anvendelse av et ekstraheringsmiddel som et antiskummiddel ved fremstilling av vannfri maursyre - Google Patents

Anvendelse av et ekstraheringsmiddel som et antiskummiddel ved fremstilling av vannfri maursyre

Info

Publication number
NO20023513L
NO20023513L NO20023513A NO20023513A NO20023513L NO 20023513 L NO20023513 L NO 20023513L NO 20023513 A NO20023513 A NO 20023513A NO 20023513 A NO20023513 A NO 20023513A NO 20023513 L NO20023513 L NO 20023513L
Authority
NO
Norway
Prior art keywords
formic acid
extractant
preparation
foaming agent
anhydrous formic
Prior art date
Application number
NO20023513A
Other languages
English (en)
Other versions
NO327829B1 (no
NO20023513D0 (no
Inventor
Heinz Auer
Bernd Bessling
Hans Hammer
Hans Hasse
Friedrich Sauer
Maximilian Vicari
Gerhard Wagner
Till Adrian
Original Assignee
Basf Ag
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 Basf Ag filed Critical Basf Ag
Publication of NO20023513D0 publication Critical patent/NO20023513D0/no
Publication of NO20023513L publication Critical patent/NO20023513L/no
Publication of NO327829B1 publication Critical patent/NO327829B1/no

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
    • C07C51/09—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid esters or lactones
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
  • Medicinal Preparation (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
NO20023513A 2000-01-24 2002-07-23 Anvendelse av et ekstraheringsmiddel som et antiskummiddel ved fremstilling av vannfri maursyre NO327829B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10002793A DE10002793A1 (de) 2000-01-24 2000-01-24 Verwendung eines Extraktionsmittels bei der Herstellung von wasserfreier Ameisensäure
PCT/EP2001/000749 WO2001055071A1 (de) 2000-01-24 2001-01-24 Verwendung eines extraktionsmittels als antischaummittel bei der herstellung von wasserfreier ameisensäure

Publications (3)

Publication Number Publication Date
NO20023513D0 NO20023513D0 (no) 2002-07-23
NO20023513L true NO20023513L (no) 2002-08-26
NO327829B1 NO327829B1 (no) 2009-10-05

Family

ID=7628464

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20023513A NO327829B1 (no) 2000-01-24 2002-07-23 Anvendelse av et ekstraheringsmiddel som et antiskummiddel ved fremstilling av vannfri maursyre

Country Status (12)

Country Link
US (1) US6838579B2 (no)
EP (1) EP1250307B1 (no)
JP (1) JP4746242B2 (no)
KR (1) KR100771709B1 (no)
CN (1) CN1271033C (no)
AT (1) ATE396167T1 (no)
AU (1) AU2001228487A1 (no)
BR (1) BR0107822B1 (no)
DE (2) DE10002793A1 (no)
MY (1) MY136296A (no)
NO (1) NO327829B1 (no)
WO (1) WO2001055071A1 (no)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100457858C (zh) 2002-06-26 2009-02-04 多尔福凯特尔化学品印度私人有限公司 从乙烯工艺的裂化气中将羰基化合物和酸性气体一起除去的方法
US7906012B2 (en) * 2002-07-16 2011-03-15 Dorf Ketal Chemicals India Pvt. Ltd. Method for reducing foam in a primary fractionator
CN101391945B (zh) * 2008-10-27 2012-01-11 浙江工业大学 一种甲酸提纯的新方法
DE102011075777A1 (de) * 2011-05-13 2012-11-15 Evonik Degussa Gmbh Verfahren zur Herstellung von Isophoron in Gegenwart mindestens eines Entschäumers in der Abwasserkolonne im Aufarbeitungsteil
CN109234530B (zh) * 2018-09-11 2023-12-08 福建紫金选矿药剂有限公司 一种高性能萃取稀释剂
CN115353450A (zh) * 2022-09-26 2022-11-18 河北康壮环保科技股份有限公司 一种稀甲酸浓缩的工艺

Family Cites Families (4)

* 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
DE2914671A1 (de) * 1979-04-11 1980-10-23 Basf Ag Verfahren zur gewinnung von wasserfreier oder weitgehend wasserfreier ameisensaeure
DE3319651A1 (de) * 1983-05-31 1984-12-06 Basf Ag, 6700 Ludwigshafen Verfahren zur destillativen gewinnung von ameisensaeure
DE3411384A1 (de) 1984-03-28 1985-10-10 Basf Ag, 6700 Ludwigshafen Verfahren zur gewinnung von wasserfreier oder weitgehend wasserfreier ameisensaeure durch hydrolyse von methylformiat

Also Published As

Publication number Publication date
DE50113988D1 (de) 2008-07-03
KR20020070350A (ko) 2002-09-05
MY136296A (en) 2008-09-30
CN1395553A (zh) 2003-02-05
US6838579B2 (en) 2005-01-04
JP4746242B2 (ja) 2011-08-10
DE10002793A1 (de) 2001-07-26
US20030009057A1 (en) 2003-01-09
BR0107822B1 (pt) 2011-07-12
KR100771709B1 (ko) 2007-10-30
NO327829B1 (no) 2009-10-05
AU2001228487A1 (en) 2001-08-07
ATE396167T1 (de) 2008-06-15
NO20023513D0 (no) 2002-07-23
EP1250307A1 (de) 2002-10-23
WO2001055071A1 (de) 2001-08-02
CN1271033C (zh) 2006-08-23
JP2003520834A (ja) 2003-07-08
EP1250307B1 (de) 2008-05-21
BR0107822A (pt) 2002-10-29

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Legal Events

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