EA199800323A1 - Способ отделения твердых веществ от водных растворов 1,4-бутиндиола - Google Patents
Способ отделения твердых веществ от водных растворов 1,4-бутиндиолаInfo
- Publication number
- EA199800323A1 EA199800323A1 EA199800323A EA199800323A EA199800323A1 EA 199800323 A1 EA199800323 A1 EA 199800323A1 EA 199800323 A EA199800323 A EA 199800323A EA 199800323 A EA199800323 A EA 199800323A EA 199800323 A1 EA199800323 A1 EA 199800323A1
- Authority
- EA
- Eurasian Patent Office
- Prior art keywords
- butyndiol
- solvent
- separation
- aqueous
- butindiol
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
- C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
- C07C29/86—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by liquid-liquid treatment
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
- C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C33/00—Unsaturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
- C07C33/04—Acyclic alcohols with carbon-to-carbon triple bonds
- C07C33/042—Acyclic alcohols with carbon-to-carbon triple bonds with only one triple bond
- C07C33/044—Alkynediols
- C07C33/046—Butynediols
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Extraction Or Liquid Replacement (AREA)
- Indole Compounds (AREA)
Abstract
Отделение твердых веществ от водных растворов 1,4-бутиндиола осуществляют тем, что водный раствор бутиндиола, содержащий твердые вещества, путем орошения пропускают через колонну и при этом вводят в контакт с растворителем, который обладает меньшей плотностью, чем раствор бутиндиола, содержащий твердые вещества, при этом образуется вторая фаза, а растворитель подают снизу вверх противотоком к водному раствору бутиндиола, твердое вещество концентрируется на границе раздела между водным бутиндиолом и растворителем, и твердое вещество удаляют путем отбора смеси водного бутиндиола и растворителя.Международная заявка была опубликована вместе с отчетом о международном поиске.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1995135450 DE19535450A1 (de) | 1995-09-23 | 1995-09-23 | Verfahren zur Abtrennung von Feststoffen aus wäßrigen 1,4-Butindiollösungen |
PCT/EP1996/004027 WO1997011044A1 (de) | 1995-09-23 | 1996-09-13 | Verfahren zur abtrennung von feststoffen aus wässrigen 1,4-butindiollösungen |
Publications (2)
Publication Number | Publication Date |
---|---|
EA199800323A1 true EA199800323A1 (ru) | 1998-10-29 |
EA000507B1 EA000507B1 (ru) | 1999-10-28 |
Family
ID=7773011
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EA199800323A EA000507B1 (ru) | 1995-09-23 | 1996-09-13 | Способ отделения твердых веществ от водных растворов 1,4-бутиндиола |
Country Status (11)
Country | Link |
---|---|
US (1) | US5973213A (ru) |
EP (1) | EP0851849A1 (ru) |
JP (1) | JPH11513373A (ru) |
KR (1) | KR19990063656A (ru) |
CN (1) | CN1196717A (ru) |
AU (1) | AU7129496A (ru) |
CA (1) | CA2230118A1 (ru) |
DE (1) | DE19535450A1 (ru) |
EA (1) | EA000507B1 (ru) |
MY (1) | MY135760A (ru) |
WO (1) | WO1997011044A1 (ru) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005042184A1 (de) | 2005-09-06 | 2007-03-08 | Basf Ag | Verfahren zur Abtrennung von polymeren Nebenprodukten aus 1,4-Butindiol |
DE102005042185A1 (de) * | 2005-09-06 | 2007-03-08 | Basf Ag | Verfahren zur Abtrennung von polymeren Nebenprodukten aus 1,4-Butindiol |
CN103974924B (zh) | 2011-11-28 | 2018-05-29 | 因温斯特技术公司 | 甲醛再循环塔进料的碱处理 |
CN104043385A (zh) * | 2014-06-09 | 2014-09-17 | 新疆美克化工股份有限公司 | 一种b3d反应催化剂评价实验装置的反应釜 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2421407C2 (de) * | 1974-05-03 | 1985-06-27 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Herstellung von Butindiol |
US4083882A (en) * | 1976-08-26 | 1978-04-11 | Celanese Corporation | Production of 1,4-butanediol |
US4127734A (en) * | 1978-01-16 | 1978-11-28 | E. I. Du Pont De Nemours And Company | Preparation of butynediol using bismuth modified spheroidal malachite |
US4180687A (en) * | 1978-04-24 | 1979-12-25 | E. I. Du Pont De Nemours And Company | Reaction of formaldehyde in butynediol |
US4294998A (en) * | 1978-06-28 | 1981-10-13 | E. I. Du Pont De Nemours And Company | Preparation of high purity 1,4-butanediol |
DE3581216D1 (de) * | 1984-10-12 | 1991-02-07 | Basf Ag | Verfahren zur herstellung von propanol. |
-
1995
- 1995-09-23 DE DE1995135450 patent/DE19535450A1/de not_active Withdrawn
-
1996
- 1996-09-13 EP EP96946351A patent/EP0851849A1/de not_active Ceased
- 1996-09-13 WO PCT/EP1996/004027 patent/WO1997011044A1/de not_active Application Discontinuation
- 1996-09-13 KR KR1019980702109A patent/KR19990063656A/ko not_active Application Discontinuation
- 1996-09-13 US US09/000,280 patent/US5973213A/en not_active Expired - Fee Related
- 1996-09-13 CA CA 2230118 patent/CA2230118A1/en not_active Abandoned
- 1996-09-13 AU AU71294/96A patent/AU7129496A/en not_active Abandoned
- 1996-09-13 JP JP51237397A patent/JPH11513373A/ja active Pending
- 1996-09-13 EA EA199800323A patent/EA000507B1/ru not_active IP Right Cessation
- 1996-09-13 CN CN96197074A patent/CN1196717A/zh active Pending
- 1996-09-18 MY MYPI96003860A patent/MY135760A/en unknown
Also Published As
Publication number | Publication date |
---|---|
EP0851849A1 (de) | 1998-07-08 |
JPH11513373A (ja) | 1999-11-16 |
DE19535450A1 (de) | 1997-03-27 |
AU7129496A (en) | 1997-04-09 |
US5973213A (en) | 1999-10-26 |
WO1997011044A1 (de) | 1997-03-27 |
EA000507B1 (ru) | 1999-10-28 |
MY135760A (en) | 2008-06-30 |
CN1196717A (zh) | 1998-10-21 |
CA2230118A1 (en) | 1997-03-27 |
KR19990063656A (ko) | 1999-07-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ATE206633T1 (de) | Herstellung von pulvern | |
ATE37020T1 (de) | Aufarbeitung von glycerin aus salzhaltigen wassern. | |
FI912801A0 (fi) | Foerfarande foer framstaellning av vattendispersioner. | |
FR2545838B1 (fr) | Procede de production d'ethanol a partir d'une substance contenant du xylose | |
EA199800323A1 (ru) | Способ отделения твердых веществ от водных растворов 1,4-бутиндиола | |
KR830003403A (ko) | 아크릴로니트릴 정제방법 | |
PT91711A (pt) | Processo de separacao do acido l-2-cetogulonico a partir de um mosto de fermentacao | |
DK150586A (da) | Fremgangsmaade til rensning af proinsulin-lignende materialer | |
GB1373159A (en) | Methanol | |
FR2370718A1 (fr) | Procede pour la separation d'un melange d'une phenylglycine-amide et d'une phenylglycine optiquement actives | |
FR2505202B3 (ru) | ||
EA199900833A1 (ru) | Способ очистки капролактама | |
ATE84542T1 (de) | Reinigung von dem wachstumshormon angehoerenden stoffen. | |
JPS53119810A (en) | Preparation of aldehyde chloride | |
JPS5391468A (en) | Dehydrator for pretreatment of concentrated sludge | |
JPS5659716A (en) | Separating method of gamma-globulin aggregate with membrane | |
FI874808A0 (fi) | Process foer koncentrering av en karbamidloesning och apparatur foer genomfoerande av processen. | |
PT67591B (fr) | Procede de separation de l'uranium contenu dans une liqueur alcaline notamment d'extraction a partir d'un minerai uranifere | |
JPS54119412A (en) | Purification of methacrylic acid | |
KR840004120A (ko) | 아즈렌 유도체의 안정화 아즈렌 유도체의 안정화방법 | |
FR2383238A1 (fr) | Recuperation du nickel d'une solution aqueuse par extraction liquide-liquide | |
JPS57179182A (en) | Recovering method of trioxane | |
JPS51146396A (en) | The collecting method of the by-product of ammonium sulfate | |
SU595000A1 (ru) | Разгрузочное устройство отсадочной машины | |
JPS5370084A (en) | Separation membrane |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s) |
Designated state(s): AM AZ BY KZ KG MD TJ TM RU |