JP4746242B2 - 無水ギ酸を製造する際の消泡剤としての抽出剤の使用 - Google Patents
無水ギ酸を製造する際の消泡剤としての抽出剤の使用 Download PDFInfo
- Publication number
- JP4746242B2 JP4746242B2 JP2001555015A JP2001555015A JP4746242B2 JP 4746242 B2 JP4746242 B2 JP 4746242B2 JP 2001555015 A JP2001555015 A JP 2001555015A JP 2001555015 A JP2001555015 A JP 2001555015A JP 4746242 B2 JP4746242 B2 JP 4746242B2
- Authority
- JP
- Japan
- Prior art keywords
- distillation
- extractant
- formic acid
- carrying
- distillation apparatus
- Prior art date
- 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
Links
Images
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)
Applications Claiming Priority (3)
| 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 |
| 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 |
|---|---|
| JP2003520834A JP2003520834A (ja) | 2003-07-08 |
| JP2003520834A5 JP2003520834A5 (enExample) | 2007-12-27 |
| JP4746242B2 true JP4746242B2 (ja) | 2011-08-10 |
Family
ID=7628464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001555015A Expired - Fee Related JP4746242B2 (ja) | 2000-01-24 | 2001-01-24 | 無水ギ酸を製造する際の消泡剤としての抽出剤の使用 |
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)
| 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)
| 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 |
-
2000
- 2000-01-24 DE DE10002793A patent/DE10002793A1/de not_active Withdrawn
-
2001
- 2001-01-17 MY MYPI20010197A patent/MY136296A/en unknown
- 2001-01-24 JP JP2001555015A patent/JP4746242B2/ja not_active Expired - Fee Related
- 2001-01-24 BR BRPI0107822-4A patent/BR0107822B1/pt not_active IP Right Cessation
- 2001-01-24 KR KR1020027009418A patent/KR100771709B1/ko not_active Expired - Fee Related
- 2001-01-24 EP EP01946840A patent/EP1250307B1/de not_active Expired - Lifetime
- 2001-01-24 US US10/181,460 patent/US6838579B2/en not_active Expired - Lifetime
- 2001-01-24 CN CNB018040632A patent/CN1271033C/zh not_active Expired - Fee Related
- 2001-01-24 WO PCT/EP2001/000749 patent/WO2001055071A1/de not_active Ceased
- 2001-01-24 AT AT01946840T patent/ATE396167T1/de not_active IP Right Cessation
- 2001-01-24 AU AU2001228487A patent/AU2001228487A1/en not_active Abandoned
- 2001-01-24 DE DE50113988T patent/DE50113988D1/de not_active Expired - Lifetime
-
2002
- 2002-07-23 NO NO20023513A patent/NO327829B1/no not_active IP Right Cessation
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 |
| CN1271033C (zh) | 2006-08-23 |
| EP1250307A1 (de) | 2002-10-23 |
| US20030009057A1 (en) | 2003-01-09 |
| AU2001228487A1 (en) | 2001-08-07 |
| BR0107822B1 (pt) | 2011-07-12 |
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