DE19814387A1 - Verfahren zur Herstellung von Acrylsäure und Acrylsäureestern - Google Patents
Verfahren zur Herstellung von Acrylsäure und AcrylsäureesternInfo
- Publication number
- DE19814387A1 DE19814387A1 DE19814387A DE19814387A DE19814387A1 DE 19814387 A1 DE19814387 A1 DE 19814387A1 DE 19814387 A DE19814387 A DE 19814387A DE 19814387 A DE19814387 A DE 19814387A DE 19814387 A1 DE19814387 A1 DE 19814387A1
- Authority
- DE
- Germany
- Prior art keywords
- acrylic acid
- stage
- oligomeric
- mixture
- cooling
- 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.)
- Withdrawn
Links
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 title claims abstract description 162
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 title claims abstract description 160
- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 125000005396 acrylic acid ester group Chemical group 0.000 title claims abstract description 12
- 238000001816 cooling Methods 0.000 claims abstract description 43
- 239000000203 mixture Substances 0.000 claims abstract description 29
- 239000008246 gaseous mixture Substances 0.000 claims abstract description 23
- 239000011541 reaction mixture Substances 0.000 claims abstract description 22
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 16
- 230000003647 oxidation Effects 0.000 claims abstract description 15
- 238000009835 boiling Methods 0.000 claims abstract description 5
- 239000000047 product Substances 0.000 claims description 21
- 238000004821 distillation Methods 0.000 claims description 19
- 238000010791 quenching Methods 0.000 claims description 18
- 230000032050 esterification Effects 0.000 claims description 10
- 238000005886 esterification reaction Methods 0.000 claims description 10
- 238000000926 separation method Methods 0.000 claims description 10
- 239000003054 catalyst Substances 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 6
- 238000002425 crystallisation Methods 0.000 claims description 4
- 230000008025 crystallization Effects 0.000 claims description 4
- 239000006227 byproduct Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 24
- 239000007789 gas Substances 0.000 description 17
- HGINCPLSRVDWNT-UHFFFAOYSA-N Acrolein Chemical compound C=CC=O HGINCPLSRVDWNT-UHFFFAOYSA-N 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 239000012071 phase Substances 0.000 description 10
- 238000009833 condensation Methods 0.000 description 9
- 230000005494 condensation Effects 0.000 description 9
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 239000002253 acid Substances 0.000 description 6
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 6
- HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 description 6
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- WJFKNYWRSNBZNX-UHFFFAOYSA-N 10H-phenothiazine Chemical compound C1=CC=C2NC3=CC=CC=C3SC2=C1 WJFKNYWRSNBZNX-UHFFFAOYSA-N 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- 229950000688 phenothiazine Drugs 0.000 description 4
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical class [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 150000007513 acids Chemical class 0.000 description 3
- 150000001299 aldehydes Chemical class 0.000 description 3
- 229910002090 carbon oxide Inorganic materials 0.000 description 3
- 238000003776 cleavage reaction Methods 0.000 description 3
- 239000002826 coolant Substances 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 239000003112 inhibitor Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 3
- AFVFQIVMOAPDHO-UHFFFAOYSA-N methanesulfonic acid Substances CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 235000019260 propionic acid Nutrition 0.000 description 3
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 3
- 230000007017 scission Effects 0.000 description 3
- ZZAGLMPBQOKGGT-UHFFFAOYSA-N [4-[4-(4-prop-2-enoyloxybutoxy)benzoyl]oxyphenyl] 4-(4-prop-2-enoyloxybutoxy)benzoate Chemical compound C1=CC(OCCCCOC(=O)C=C)=CC=C1C(=O)OC(C=C1)=CC=C1OC(=O)C1=CC=C(OCCCCOC(=O)C=C)C=C1 ZZAGLMPBQOKGGT-UHFFFAOYSA-N 0.000 description 2
- 239000003377 acid catalyst Substances 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- HUMNYLRZRPPJDN-UHFFFAOYSA-N benzaldehyde Chemical compound O=CC1=CC=CC=C1 HUMNYLRZRPPJDN-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000004992 fission Effects 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 150000007524 organic acids Chemical class 0.000 description 2
- 239000003791 organic solvent mixture Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 239000001294 propane Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 239000011877 solvent mixture Substances 0.000 description 2
- 238000010626 work up procedure Methods 0.000 description 2
- JSTCPNFNKICNNO-UHFFFAOYSA-N 4-nitrosophenol Chemical compound OC1=CC=C(N=O)C=C1 JSTCPNFNKICNNO-UHFFFAOYSA-N 0.000 description 1
- COVZYZSDYWQREU-UHFFFAOYSA-N Busulfan Chemical compound CS(=O)(=O)OCCCCOS(C)(=O)=O COVZYZSDYWQREU-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 238000006845 Michael addition reaction Methods 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000001253 acrylic acids Chemical class 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- -1 aryl sulfonic acid Chemical compound 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000007792 gaseous phase Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229940098779 methanesulfonic acid Drugs 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- UCMYJOPIPDLTRT-UHFFFAOYSA-N n,n-diethyl-2-nitrosoaniline Chemical compound CCN(CC)C1=CC=CC=C1N=O UCMYJOPIPDLTRT-UHFFFAOYSA-N 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- NWVVVBRKAWDGAB-UHFFFAOYSA-N p-methoxyphenol Chemical compound COC1=CC=C(O)C=C1 NWVVVBRKAWDGAB-UHFFFAOYSA-N 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- QNGNSVIICDLXHT-UHFFFAOYSA-N para-ethylbenzaldehyde Natural products CCC1=CC=C(C=O)C=C1 QNGNSVIICDLXHT-UHFFFAOYSA-N 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 229910052714 tellurium Inorganic materials 0.000 description 1
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 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
- C07C51/42—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
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
- C07C51/25—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring
- C07C51/252—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring of propene, butenes, acrolein or methacrolein
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
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)
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19814387A DE19814387A1 (de) | 1998-03-31 | 1998-03-31 | Verfahren zur Herstellung von Acrylsäure und Acrylsäureestern |
| DE59905749T DE59905749D1 (de) | 1998-03-31 | 1999-03-24 | Verfahren zur herstellung von acrylsäure und acrylsäureestern |
| JP2000541129A JP4410934B2 (ja) | 1998-03-31 | 1999-03-24 | アクリル酸及びアクリル酸エステルの製造法 |
| EP99913294A EP1066239B1 (de) | 1998-03-31 | 1999-03-24 | Verfahren zur herstellung von acrylsäure und acrylsäureestern |
| CN99804619A CN1107046C (zh) | 1998-03-31 | 1999-03-24 | 丙烯酸和丙烯酸酯的制备方法 |
| BRPI9909309-0A BR9909309B1 (pt) | 1998-03-31 | 1999-03-24 | processo para a recuperação de ácido acrìlico. |
| US09/647,561 US6727383B1 (en) | 1998-03-31 | 1999-03-24 | Method for producing acrylic acid and acrylic acid esters |
| PCT/EP1999/001995 WO1999050219A1 (de) | 1998-03-31 | 1999-03-24 | Verfahren zur herstellung von acrylsäure und acrylsäureestern |
| MYPI99001162A MY119537A (en) | 1998-03-31 | 1999-03-26 | Preparation of acrylic acid and acrylates. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19814387A DE19814387A1 (de) | 1998-03-31 | 1998-03-31 | Verfahren zur Herstellung von Acrylsäure und Acrylsäureestern |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE19814387A1 true DE19814387A1 (de) | 1999-10-07 |
Family
ID=7863103
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19814387A Withdrawn DE19814387A1 (de) | 1998-03-31 | 1998-03-31 | Verfahren zur Herstellung von Acrylsäure und Acrylsäureestern |
| DE59905749T Expired - Lifetime DE59905749D1 (de) | 1998-03-31 | 1999-03-24 | Verfahren zur herstellung von acrylsäure und acrylsäureestern |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE59905749T Expired - Lifetime DE59905749D1 (de) | 1998-03-31 | 1999-03-24 | Verfahren zur herstellung von acrylsäure und acrylsäureestern |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US6727383B1 (enExample) |
| EP (1) | EP1066239B1 (enExample) |
| JP (1) | JP4410934B2 (enExample) |
| CN (1) | CN1107046C (enExample) |
| BR (1) | BR9909309B1 (enExample) |
| DE (2) | DE19814387A1 (enExample) |
| MY (1) | MY119537A (enExample) |
| WO (1) | WO1999050219A1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000053560A1 (de) * | 1999-03-06 | 2000-09-14 | Basf Aktiengesellschaft | Verfahren zur herstellung von acrylsäure |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10063161A1 (de) * | 2000-12-18 | 2002-06-20 | Basf Ag | Verfahren zum Abschrecken eines heißen (Meth)acrylsäure enthaltenden Gasgemisches |
| WO2003095411A1 (de) * | 2002-05-08 | 2003-11-20 | Basf Aktiengesellschaft | Verfahren zur herstellung von acrylsäure und/ oder deren ester sowie von propionsäure und/ oder deren ester im verbund |
| DE10300499A1 (de) * | 2003-01-08 | 2003-10-23 | Basf Ag | Verfahren der rektifikativen Auftrennung von (Meth)acrylmonomere enthaltenden Fluiden |
| US8431743B2 (en) | 2004-07-01 | 2013-04-30 | Basf Aktiengesellschaft | Preparation of acrylic acid by heterogeneously catalyzed partial gas phase oxidation of propylene |
| CN1930108B (zh) * | 2004-08-02 | 2010-12-29 | Lg化学株式会社 | 制备(甲基)丙烯酸的方法 |
| TWI438187B (zh) * | 2005-02-28 | 2014-05-21 | Evonik Degussa Gmbh | 丙烯酸和基於可再生原料之吸水聚合物結構及二者之製備方法 |
| US7705181B2 (en) | 2005-03-01 | 2010-04-27 | Basf Akiengesellschaft | Process for removing methacrylic acid from liquid phase comprising acrylic acid as a main constituent and target product, and methacrylic acid as a secondary component |
| US7601866B2 (en) | 2005-03-01 | 2009-10-13 | Basf Aktiengesellschaft | Process for removing methacrolein from liquid phase comprising acrylic acid as a main constituent and target product, and methacrolein as a secondary component |
| KR100999428B1 (ko) * | 2006-01-20 | 2010-12-09 | 니폰 쇼쿠바이 컴파니 리미티드 | (메타)아크릴산의 제조 방법 |
| JP5368673B2 (ja) * | 2006-01-20 | 2013-12-18 | 株式会社日本触媒 | （メタ）アクリル酸の製造方法 |
| CN101516820B (zh) * | 2006-09-15 | 2012-11-21 | 阿克马公司 | 制备丙烯酸的方法 |
| DE102007043748A1 (de) | 2007-09-13 | 2008-09-11 | Basf Se | Verfahren zur kontinuierlichen Abtrennung eines Zielproduktes X in Form von feinteiligem Kristallisat |
| DE102007043758A1 (de) | 2007-09-13 | 2008-10-23 | Basf Se | Verfahren zum Betreiben einer kontinuierlichen Abtrennung eines Zielproduktes X in Form von feinteiligem Kristallisat des Zielproduktes X |
| BE1018537A3 (fr) | 2007-09-13 | 2011-03-01 | Basf Se | Procede d'exploitation d'une separation en continu d'un produit cible x sous la forme d'un cristallisat finement divise. |
| KR101861855B1 (ko) | 2008-07-28 | 2018-05-28 | 바스프 에스이 | 탄소원자 수가 ３개인 아크릴산의 전구체 화합물의 기체상 생성물 혼합물로부터 주성분으로서 함유된 아크릴산과 부산물로서 함유된 글리옥살을 분리시키는 방법 |
| DE102008041573A1 (de) | 2008-08-26 | 2010-03-04 | Basf Se | Verfahren zur Auftrennung von in einem Produktgasgemisch einer partiellen heterogen katalysierten Gasphasenoxidation einer C3-Vorläuferverbindung der Acrylsäure als Hauptbestandteil enhaltener Acrylsäure und als Nebenprodukt enthaltenem Glyoxal |
| DE102008040799A1 (de) | 2008-07-28 | 2008-12-11 | Basf Se | Verfahren zur Auftrennung von in einem Produktgasgemisch einer partiellen heterogen katalysierten Gasphasenoxidation einer C3-Vorläuferverbindung der Acrylsäure als Hauptbestandteil enthaltener Acrylsäure und als Nebenprodukt enthaltenem Glyoxal |
| DE102010042216A1 (de) | 2010-10-08 | 2011-06-09 | Basf Se | Verfahren zur Hemmung der unerwünschten radikalischen Polymerisation von in einer flüssigen Phase P befindlicher Acrylsäure |
| KR20160032994A (ko) * | 2014-09-17 | 2016-03-25 | 주식회사 엘지화학 | (메트)아크릴산의 회수 방법 및 회수 장치 |
| CN104225942A (zh) * | 2014-09-24 | 2014-12-24 | 南通中泰化工有限公司 | 丙烯酸异辛酯酯化反应中蒸发器冷凝水再利用系统装置 |
| DE102014017815A1 (de) * | 2014-12-03 | 2016-04-14 | Basf Se | Verfahren zur Gewinnung von Acrylsäure |
| KR102319305B1 (ko) * | 2016-12-06 | 2021-10-28 | 주식회사 엘지화학 | (메트)아크릴산의 회수 방법 및 장치 |
| JP7384519B2 (ja) | 2018-07-26 | 2023-11-21 | ベーアーエスエフ・エスエー | 液相ｐに存在するアクリル酸の望ましくないラジカル重合を抑制するための方法 |
| CN115335354A (zh) | 2020-03-26 | 2022-11-11 | 巴斯夫欧洲公司 | 抑制存在于液相p中的丙烯酸的不期望的自由基聚合的方法 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1127127A (en) | 1966-04-26 | 1968-09-11 | Bp Chem Int Ltd | Stabilization of acrylic acid |
| US3555082A (en) * | 1966-12-15 | 1971-01-12 | Knapsack Ag | Process for isolating acrylic acid from the reaction gases obtained by oxidation of propylene or acrolein |
| DE2121123C3 (de) | 1971-04-29 | 1980-06-12 | Basf Ag, 6700 Ludwigshafen | Verfahren zum Abtrennen von Wasser aus wäßrigen Lösungen von Acrylsäure durch azeotrope Destillation |
| BE786398A (fr) | 1971-07-21 | 1973-01-18 | Basf Ag | Procede de preparation de l'acide acrylique anhydre |
| IN151108B (enExample) * | 1978-09-13 | 1983-02-19 | Standard Oil Co | |
| GB2146636B (en) | 1983-08-11 | 1987-02-04 | Nippon Catalytic Chem Ind | Process for producing acrylic acid |
| US5154800A (en) | 1992-01-31 | 1992-10-13 | Lloyd Berg | Dehydration of acrylic acid by extractive distillation |
| DE4308087C2 (de) | 1993-03-13 | 1997-02-06 | Basf Ag | Verfahren zur Abtrennung von Acrylsäure aus den Reaktionsgasen der katalytischen Oxidation von Propylen und/oder Acrolein |
| DE19547485A1 (de) * | 1995-12-19 | 1996-05-09 | Basf Ag | Verfahren zum Verestern von (Meth)acrylsäure mit einem Alkanol |
| DE19600955A1 (de) * | 1996-01-12 | 1997-07-17 | Basf Ag | Verfahren zur Herstellung von Acrylsäure und deren Ester |
| DE19740253A1 (de) * | 1997-09-12 | 1999-03-18 | Basf Ag | Verfahren zur fraktionierten Kondensation eines heißen Gasgemisches mit einem hohen Anteil nicht kondensierbarer Komponenten |
-
1998
- 1998-03-31 DE DE19814387A patent/DE19814387A1/de not_active Withdrawn
-
1999
- 1999-03-24 WO PCT/EP1999/001995 patent/WO1999050219A1/de not_active Ceased
- 1999-03-24 EP EP99913294A patent/EP1066239B1/de not_active Expired - Lifetime
- 1999-03-24 JP JP2000541129A patent/JP4410934B2/ja not_active Expired - Lifetime
- 1999-03-24 US US09/647,561 patent/US6727383B1/en not_active Expired - Lifetime
- 1999-03-24 CN CN99804619A patent/CN1107046C/zh not_active Expired - Lifetime
- 1999-03-24 DE DE59905749T patent/DE59905749D1/de not_active Expired - Lifetime
- 1999-03-24 BR BRPI9909309-0A patent/BR9909309B1/pt not_active IP Right Cessation
- 1999-03-26 MY MYPI99001162A patent/MY119537A/en unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000053560A1 (de) * | 1999-03-06 | 2000-09-14 | Basf Aktiengesellschaft | Verfahren zur herstellung von acrylsäure |
| US6498272B1 (en) | 1999-03-06 | 2002-12-24 | Basf Aktiengesellschaft | Method for producing acrylic acid |
Also Published As
| Publication number | Publication date |
|---|---|
| US6727383B1 (en) | 2004-04-27 |
| JP4410934B2 (ja) | 2010-02-10 |
| JP2002509902A (ja) | 2002-04-02 |
| EP1066239A1 (de) | 2001-01-10 |
| WO1999050219A1 (de) | 1999-10-07 |
| EP1066239B1 (de) | 2003-05-28 |
| DE59905749D1 (de) | 2003-07-03 |
| CN1107046C (zh) | 2003-04-30 |
| BR9909309B1 (pt) | 2011-11-01 |
| CN1295552A (zh) | 2001-05-16 |
| BR9909309A (pt) | 2000-11-21 |
| MY119537A (en) | 2005-06-30 |
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