CN1271033C - 萃取剂在制备无水甲酸中作为消泡剂的用途 - Google Patents

萃取剂在制备无水甲酸中作为消泡剂的用途 Download PDF

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Publication number
CN1271033C
CN1271033C CNB018040632A CN01804063A CN1271033C CN 1271033 C CN1271033 C CN 1271033C CN B018040632 A CNB018040632 A CN B018040632A CN 01804063 A CN01804063 A CN 01804063A CN 1271033 C CN1271033 C CN 1271033C
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CN
China
Prior art keywords
distillation
extractant
formic acid
carrying
water
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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 - Fee Related
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CNB018040632A
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English (en)
Chinese (zh)
Other versions
CN1395553A (zh
Inventor
H·奥尔
B·贝斯林
H·哈默
H·哈塞
F·索尔
M·威卡瑞
G·瓦格纳
T·阿德里安
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BASF SE
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BASF SE
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Publication of CN1395553A publication Critical patent/CN1395553A/zh
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Publication of CN1271033C publication Critical patent/CN1271033C/zh
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    • 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

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  • 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)
CNB018040632A 2000-01-24 2001-01-24 萃取剂在制备无水甲酸中作为消泡剂的用途 Expired - Fee Related CN1271033C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10002793.8 2000-01-24
DE10002793A DE10002793A1 (de) 2000-01-24 2000-01-24 Verwendung eines Extraktionsmittels bei der Herstellung von wasserfreier Ameisensäure

Publications (2)

Publication Number Publication Date
CN1395553A CN1395553A (zh) 2003-02-05
CN1271033C true CN1271033C (zh) 2006-08-23

Family

ID=7628464

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB018040632A Expired - Fee Related CN1271033C (zh) 2000-01-24 2001-01-24 萃取剂在制备无水甲酸中作为消泡剂的用途

Country Status (12)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR0215793B1 (pt) * 2002-06-26 2012-11-27 métodos para reduzir acúmulo de resìduos em unidade de lavagem usada em processo de craqueamento de hidrocarbonetos.
US7906012B2 (en) * 2002-07-16 2011-03-15 Dorf Ketal Chemicals India Pvt. Ltd. Method for reducing foam in a primary fractionator
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
JP2003520834A (ja) 2003-07-08
MY136296A (en) 2008-09-30
KR20020070350A (ko) 2002-09-05
EP1250307B1 (de) 2008-05-21
CN1395553A (zh) 2003-02-05
DE10002793A1 (de) 2001-07-26
BR0107822A (pt) 2002-10-29
DE50113988D1 (de) 2008-07-03
NO327829B1 (no) 2009-10-05
NO20023513L (no) 2002-08-26
NO20023513D0 (no) 2002-07-23
ATE396167T1 (de) 2008-06-15
WO2001055071A1 (de) 2001-08-02
US6838579B2 (en) 2005-01-04
KR100771709B1 (ko) 2007-10-30
EP1250307A1 (de) 2002-10-23
US20030009057A1 (en) 2003-01-09
AU2001228487A1 (en) 2001-08-07
JP4746242B2 (ja) 2011-08-10
BR0107822B1 (pt) 2011-07-12

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Granted publication date: 20060823

Termination date: 20190124

CF01 Termination of patent right due to non-payment of annual fee