DK0713854T3 - Fremgangsmåde til oprensning af rå-(meth)acrylsyre - Google Patents
Fremgangsmåde til oprensning af rå-(meth)acrylsyreInfo
- Publication number
- DK0713854T3 DK0713854T3 DK95117892T DK95117892T DK0713854T3 DK 0713854 T3 DK0713854 T3 DK 0713854T3 DK 95117892 T DK95117892 T DK 95117892T DK 95117892 T DK95117892 T DK 95117892T DK 0713854 T3 DK0713854 T3 DK 0713854T3
- Authority
- DK
- Denmark
- Prior art keywords
- meth
- crude
- purification
- acrylic acid
- acrylic
- Prior art date
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
- C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S203/00—Distillation: processes, separatory
- Y10S203/22—Accessories
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/347,131 US5482597A (en) | 1994-11-23 | 1994-11-23 | Purification of crude (meth)acrylic acid |
Publications (1)
Publication Number | Publication Date |
---|---|
DK0713854T3 true DK0713854T3 (da) | 1998-10-19 |
Family
ID=23362463
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK95117892T DK0713854T3 (da) | 1994-11-23 | 1995-11-14 | Fremgangsmåde til oprensning af rå-(meth)acrylsyre |
Country Status (11)
Country | Link |
---|---|
US (1) | US5482597A (da) |
EP (1) | EP0713854B1 (da) |
JP (1) | JPH08208558A (da) |
KR (1) | KR960017611A (da) |
CN (1) | CN1127747A (da) |
CA (1) | CA2162950A1 (da) |
CZ (1) | CZ302195A3 (da) |
DE (1) | DE59502240D1 (da) |
DK (1) | DK0713854T3 (da) |
ES (1) | ES2117349T3 (da) |
SG (1) | SG50646A1 (da) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5961790A (en) * | 1994-12-14 | 1999-10-05 | Basf Aktiengesellschaft | Separation of (meth) acrylic acid by rectification |
DE19501326A1 (de) * | 1995-01-18 | 1996-07-25 | Basf Ag | Verfahren der rektifikativen Abtrennung von (Meth)acrylsäure aus einem (Meth)acrylsäure als Hauptbestandteil und niedere Aldehyde als Nebenbestandteile enthaltenden Gemisch in einer aus Abtriebsteil und Verstärkerteil bestehenden Rektifiaktionskolonne |
US5710329A (en) * | 1996-10-23 | 1998-01-20 | Nalco/Exxon Energy Chemical, L. P. | Antifoulant for acrylic acid purification |
US5877345A (en) * | 1997-02-07 | 1999-03-02 | Rohm And Haas Company | Process for producing butyl acrylate |
JP3053373B2 (ja) * | 1997-07-04 | 2000-06-19 | 大塚化学株式会社 | 養生シート |
TW524796B (en) * | 1997-11-17 | 2003-03-21 | Sumitomo Chemical Co | Method for producing acrylic acid |
DE19814449A1 (de) * | 1998-03-31 | 1999-10-07 | Basf Ag | Verfahren zur Herstellung von (Meth)acrylsäure und (Meth)acrylsäureestern |
JP4361995B2 (ja) * | 1999-12-22 | 2009-11-11 | 株式会社日本触媒 | アクリル酸の精製方法 |
DE10138150A1 (de) * | 2001-08-03 | 2003-02-13 | Basf Ag | Verfahren zur Herstellung wasserabsorbierender Harze |
US7393976B2 (en) * | 2003-11-26 | 2008-07-01 | Rohm And Haas Company | Process for manufacturing reduced water content (meth)acrylic acid |
CN1305832C (zh) * | 2003-11-28 | 2007-03-21 | 三菱化学株式会社 | (甲基)丙烯酸的提纯方法 |
BR112013016469A2 (pt) * | 2010-12-29 | 2016-09-20 | Rohm & Haas | método para reduzir incrustação de equipamento durante purificação de ácido (met) acrílico em um processo |
KR102395386B1 (ko) * | 2015-04-13 | 2022-05-09 | 삼성디스플레이 주식회사 | 고순도 글리콜계 화합물의 제조방법 |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE786398A (fr) | 1971-07-21 | 1973-01-18 | Basf Ag | Procede de preparation de l'acide acrylique anhydre |
US3725208A (en) * | 1971-08-20 | 1973-04-03 | Nippon Kayaku Kk | Process for purification of acrylic acid from aldehydes by distillation with a reagent |
JPS4831087A (da) * | 1971-08-25 | 1973-04-24 | ||
CA962698A (en) | 1972-01-31 | 1975-02-11 | The Standard Oil Company | Process for purification of acrylic acid |
DE2235326A1 (de) * | 1972-07-19 | 1974-02-07 | Degussa | Verfahren zur reinigung 1,2-ungesaettigter carbonsaeuren |
JPS5837290B2 (ja) * | 1973-01-24 | 1983-08-15 | 旭化成株式会社 | アルデヒド、ケトンの除去方法 |
JPS50117716A (da) | 1974-03-06 | 1975-09-16 | ||
JPS5223017A (en) * | 1975-08-13 | 1977-02-21 | Toagosei Chem Ind Co Ltd | Process for purification of (meth) acrylic acid or its esters |
DE3106557A1 (de) | 1981-02-21 | 1982-09-16 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von (alpha)-alkylacroleinen |
DE3213681A1 (de) | 1982-04-14 | 1983-10-27 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von (alpha)-alkylacroleinen |
JPS5944337A (ja) | 1982-09-06 | 1984-03-12 | Nippon Shokubai Kagaku Kogyo Co Ltd | メタクリル酸の精製方法 |
DE3467340D1 (en) | 1984-07-21 | 1987-12-17 | Mitsubishi Petrochemical Co | Process for purification of 1,2-unsaturated carboxylic acids and/or esters thereof |
JPS61218556A (ja) * | 1985-03-25 | 1986-09-29 | Nippon Shokubai Kagaku Kogyo Co Ltd | アクリル酸の精製方法 |
DE3641996A1 (de) * | 1986-12-09 | 1988-06-16 | Basf Ag | Verfahren zum abtrennen von aldehyden aus (alpha),(beta)-olefinisch ungesaettigten carbonsaeuren |
DE3721865A1 (de) | 1987-07-02 | 1989-01-12 | Basf Ag | Verfahren zur herstellung von methacrylsaeure |
US5196578A (en) * | 1987-10-09 | 1993-03-23 | Mitsui Toatsu Chemicals, Incorporated | Purification process of methacrylic acid |
CA2030310A1 (en) * | 1989-12-22 | 1991-06-23 | Ronald E. Macleay | Derivatives of n-hals-substituted amic acid hydrazides |
DE4023239A1 (de) | 1990-07-21 | 1992-01-23 | Basf Ag | Verfahren zur katalytischen gasphasenoxidation von propen oder iso-buten zu acrolein oder methacrolein |
DE4132263A1 (de) | 1991-09-27 | 1993-04-01 | Basf Ag | Verfahren zur katalytischen gasphasenoxidation von acrolein zu acrylsaeure |
DE4132684A1 (de) | 1991-10-01 | 1993-04-08 | Basf Ag | Verfahren zur katalytischen gasphasenoxidation von methacrolein zu methacrylsaeure |
DE4201697A1 (de) | 1992-01-23 | 1993-07-29 | Basf Ag | Verfahren zur reinigung von rohsaeuren (alpha),(beta)-monoethylenisch ungesaettigter carbonsaeuren |
DE4302991A1 (de) | 1993-02-03 | 1994-08-04 | Basf Ag | Multimetalloxidmassen |
DE69424455T2 (de) * | 1993-03-02 | 2001-01-18 | Bridgestone Corp., Tokio/Tokyo | Methode zur Herstellung eines mit viskositätsstabilisierenden Verbindungen behandelten Naturkautschukes |
DE4335172A1 (de) | 1993-10-15 | 1995-04-20 | Basf Ag | Verfahren zur Reinigung von Roh-(Meth)acrylsäure |
-
1994
- 1994-11-23 US US08/347,131 patent/US5482597A/en not_active Expired - Fee Related
-
1995
- 1995-11-14 DK DK95117892T patent/DK0713854T3/da active
- 1995-11-14 ES ES95117892T patent/ES2117349T3/es not_active Expired - Lifetime
- 1995-11-14 DE DE59502240T patent/DE59502240D1/de not_active Expired - Lifetime
- 1995-11-14 SG SG1996007648A patent/SG50646A1/en unknown
- 1995-11-14 EP EP95117892A patent/EP0713854B1/de not_active Expired - Lifetime
- 1995-11-15 CA CA002162950A patent/CA2162950A1/en not_active Abandoned
- 1995-11-16 CZ CZ953021A patent/CZ302195A3/cs unknown
- 1995-11-22 JP JP7304529A patent/JPH08208558A/ja not_active Withdrawn
- 1995-11-23 CN CN95119688A patent/CN1127747A/zh active Pending
- 1995-11-23 KR KR1019950043110A patent/KR960017611A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
JPH08208558A (ja) | 1996-08-13 |
CZ302195A3 (en) | 1996-06-12 |
ES2117349T3 (es) | 1998-08-01 |
CA2162950A1 (en) | 1996-05-24 |
SG50646A1 (en) | 1998-07-20 |
EP0713854B1 (de) | 1998-05-20 |
US5482597A (en) | 1996-01-09 |
KR960017611A (ko) | 1996-06-17 |
DE59502240D1 (de) | 1998-06-25 |
EP0713854A1 (de) | 1996-05-29 |
CN1127747A (zh) | 1996-07-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE59405832D1 (de) | Verfahren zur Reinigung von Roh-(Meth)acrylsäure | |
DE60001592D1 (de) | Verfahren zur Reinigung von (Meth)acrylsäure | |
DE69807157D1 (de) | Verfahren zur Rückgewinnung von Acrylsäure | |
DE69815110D1 (de) | Verfahren zur reinigung von (meth)acrylsäure | |
BR9703409A (pt) | Processo para a preparação contínua de ésteres alquílicos de ácido (met) acrílico | |
DE60043920D1 (de) | Verfahren zur Reinigung von Hydroxyalkyl(meth)acrylat | |
KR960704082A (ko) | 저 잔자성 재료로 이루어진 하나이상의 부재의 처리방법(Method to process at least one member of low-retentivity) | |
DE59704095D1 (de) | Verfahren zur kontinuierlichen Herstellung von Alkylestern der (Meth)acrylsäure | |
DK0795535T3 (da) | Fremgangsmåde og anlæg til kontinuerlig fremstilling af alkylestere af (meth)acrylsyre | |
ID18728A (id) | Pembuangan komponen sekunder yang terbentuk selama pembuatan asam (meth) akrilat | |
DK0713854T3 (da) | Fremgangsmåde til oprensning af rå-(meth)acrylsyre | |
DK0871767T3 (da) | Fremgangsmåde til amplificering af specifikke nucleinsyresekvenser | |
DE60021308D1 (de) | Verfahren zur Herstellung von (Meth)acrylsäure | |
DK0565168T3 (da) | Fremgangsmåde til fremstilling af oprenset enzym | |
AU3344097A (en) | Process for purifying crude acrylic acid by crystallization | |
DK0780359T3 (da) | Fremgangsmåde til forestring af (meth)acrylsyre med en alkanol | |
DE59602043D1 (de) | Verfahren zur kontinuierlichen Herstellung von Alkylestern der (Meth)acrylsäure | |
DK89294A (da) | Fremgangsmåde til krystallisation af iodamidol | |
DE69705192D1 (de) | Verfahren zur Herstellung von (Meth)acrylsäure | |
DK0789767T3 (da) | Fremgangsmåde til fremstilling af oprensede papilomavirusproteiner | |
DE69806074D1 (de) | Verfahren zur Rückgewinnung von Acrylsäure | |
DK0780360T3 (da) | Fremgangsmåde til forestering af (meth)acrylsyre med en alkanol | |
DE69505335D1 (de) | Verfahren zur Reinigung von Methacrylsäure | |
ID22906A (id) | Proses untuk memurnikan siloksana | |
DE69803027D1 (de) | Verfahren zum Herstellen von Alkyl (Meth)acrylaten |