ATE396167T1 - Verwendung eines extraktionsmittels als antischaummittel bei der herstellung von wasserfreier ameisensäure - Google Patents
Verwendung eines extraktionsmittels als antischaummittel bei der herstellung von wasserfreier ameisensäureInfo
- Publication number
- ATE396167T1 ATE396167T1 AT01946840T AT01946840T ATE396167T1 AT E396167 T1 ATE396167 T1 AT E396167T1 AT 01946840 T AT01946840 T AT 01946840T AT 01946840 T AT01946840 T AT 01946840T AT E396167 T1 ATE396167 T1 AT E396167T1
- Authority
- AT
- Austria
- Prior art keywords
- formic acid
- agent
- production
- anhydrous formic
- antifoaming agent
- Prior art date
Links
- BDAGIHXWWSANSR-UHFFFAOYSA-N Formic acid Chemical compound OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 title abstract 7
- 235000019253 formic acid Nutrition 0.000 title abstract 3
- 239000002518 antifoaming agent Substances 0.000 title abstract 2
- 239000003795 chemical substances by application Substances 0.000 title 1
- 238000000605 extraction Methods 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 abstract 2
- 125000003118 aryl group Chemical group 0.000 abstract 2
- 125000004178 (C1-C4) alkyl group Chemical group 0.000 abstract 1
- 125000000217 alkyl group Chemical group 0.000 abstract 1
- 125000003710 aryl alkyl group Chemical group 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 125000000753 cycloalkyl group Chemical group 0.000 abstract 1
- 238000004821 distillation Methods 0.000 abstract 1
- 125000000623 heterocyclic group Chemical group 0.000 abstract 1
- 229910052739 hydrogen Inorganic materials 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 abstract 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 125000004433 nitrogen atom Chemical group N* 0.000 abstract 1
- 238000010626 work up procedure Methods 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/09—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
- C07C51/43—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
- C07C51/42—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 (1)
| 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 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE396167T1 true ATE396167T1 (de) | 2008-06-15 |
Family
ID=7628464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT01946840T ATE396167T1 (de) | 2000-01-24 | 2001-01-24 | Verwendung eines extraktionsmittels als antischaummittel bei der herstellung von wasserfreier ameisensäure |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US6838579B2 (https=) |
| EP (1) | EP1250307B1 (https=) |
| JP (1) | JP4746242B2 (https=) |
| KR (1) | KR100771709B1 (https=) |
| CN (1) | CN1271033C (https=) |
| AT (1) | ATE396167T1 (https=) |
| AU (1) | AU2001228487A1 (https=) |
| BR (1) | BR0107822B1 (https=) |
| DE (2) | DE10002793A1 (https=) |
| MY (1) | MY136296A (https=) |
| NO (1) | NO327829B1 (https=) |
| WO (1) | WO2001055071A1 (https=) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004003110A1 (en) | 2002-06-26 | 2004-01-08 | Dorf Ketal Chemicals India Pvt. Ltd. | Method of removal of carbonyl compounds along with acid gases from cracked gas in ethylene process |
| 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 KR KR1020027009418A patent/KR100771709B1/ko not_active Expired - Fee Related
- 2001-01-24 US US10/181,460 patent/US6838579B2/en not_active Expired - Lifetime
- 2001-01-24 AU AU2001228487A patent/AU2001228487A1/en not_active Abandoned
- 2001-01-24 EP EP01946840A patent/EP1250307B1/de not_active Expired - Lifetime
- 2001-01-24 DE DE50113988T patent/DE50113988D1/de not_active Expired - Lifetime
- 2001-01-24 AT AT01946840T patent/ATE396167T1/de not_active IP Right Cessation
- 2001-01-24 BR BRPI0107822-4A patent/BR0107822B1/pt not_active IP Right Cessation
- 2001-01-24 WO PCT/EP2001/000749 patent/WO2001055071A1/de not_active Ceased
- 2001-01-24 CN CNB018040632A patent/CN1271033C/zh not_active Expired - Fee Related
-
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 |
| NO20023513D0 (no) | 2002-07-23 |
| EP1250307A1 (de) | 2002-10-23 |
| CN1395553A (zh) | 2003-02-05 |
| NO20023513L (no) | 2002-08-26 |
| NO327829B1 (no) | 2009-10-05 |
| KR20020070350A (ko) | 2002-09-05 |
| BR0107822B1 (pt) | 2011-07-12 |
| KR100771709B1 (ko) | 2007-10-30 |
| US6838579B2 (en) | 2005-01-04 |
| US20030009057A1 (en) | 2003-01-09 |
| WO2001055071A1 (de) | 2001-08-02 |
| JP4746242B2 (ja) | 2011-08-10 |
| MY136296A (en) | 2008-09-30 |
| DE10002793A1 (de) | 2001-07-26 |
| AU2001228487A1 (en) | 2001-08-07 |
| CN1271033C (zh) | 2006-08-23 |
| BR0107822A (pt) | 2002-10-29 |
| DE50113988D1 (de) | 2008-07-03 |
| EP1250307B1 (de) | 2008-05-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| PE20221283A1 (es) | Compuestos triciclicos sustituidos | |
| KR950008512A (ko) | 이미다조피리딘 유도체의 제조방법 | |
| MX2010002272A (es) | 4-(4-piridinil)-benzamidas y su uso como moduladores de la actividad de rho-cinasa (rock). | |
| NO20053614L (no) | Nye pyridazin-3(2H)-on-derivater | |
| EA200970493A1 (ru) | Макроциклические ингибиторы вируса гепатита с | |
| CO5680449A2 (es) | Inhibidores macrociclicos de la serina proteasa ns3 del virus de la hepatitis c | |
| ATE208779T1 (de) | Substituierte spiroheterocyclische 1h-3-aryl- pyrrolidin-2,4-dion-derivate, verfahren zu deren herstellung und deren verwendung als schädlingsbekämpfungsmittel | |
| TW359670B (en) | Process for producing quinazolin-4-one derivatives | |
| UA103894C2 (ru) | Соединения и способ для снижения уровня мочевой кислоты | |
| DK0541550T3 (da) | Nye mellemprodukter, deres fremstilling og anvendelse | |
| ATE324361T1 (de) | Verfahren zur herstellung von wasserfreier ameisensäure | |
| ATE396167T1 (de) | Verwendung eines extraktionsmittels als antischaummittel bei der herstellung von wasserfreier ameisensäure | |
| AU2001228486A1 (en) | Method for cleaning off-gas flows | |
| DE3778714D1 (de) | Indenothiazolderivate und verfahren zu ihrer herstellung. | |
| KR850008165A (ko) | 헤테로사이클릭 유도체의 제조방법 | |
| AR048043A1 (es) | Metodo para producir compuestos de aminifenol | |
| EA200300458A1 (ru) | Новые соединения аминотриазолона, способ их получения и фармацевтические композиции, содержащие их | |
| ATE372332T1 (de) | Verfahren zur herstellung von zwischenverbindungen in der herstellung von discodermolid und discodermolid-analoga | |
| DE50001675D1 (de) | Verfahren zur Reinigung von organischen Isocyanaten | |
| ATE444323T1 (de) | Neuartige epoxidverbindungen und verfahren zu ihrer herstellung | |
| ATE486851T1 (de) | Verfahren zur herstellung von montekulast | |
| MXPA05009338A (es) | 7-alquenilamino-triazolopirimidinas, procedimientos para su obtencion y el uso de las mismas para controlar hongos nocivos, asi como productos que los contienen. | |
| ATE263146T1 (de) | Substituierte cyclopentene, verfahren zu deren herstellung un deren verwendung als chirale gerüste | |
| RO92794B (ro) | Procedeu pentru prepararea unor esteri de acid 2-brom-4-metilmidazol-5-carboxilic | |
| DE60106956D1 (de) | 4-cyklohexyl-1,3,2-oxazaborolidine als chirale hilfsmittel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| REN | Ceased due to non-payment of the annual fee |