DE2901783A1 - Verfahren zur rueckgewinnung von akrylsaeure - Google Patents
Verfahren zur rueckgewinnung von akrylsaeureInfo
- Publication number
- DE2901783A1 DE2901783A1 DE19792901783 DE2901783A DE2901783A1 DE 2901783 A1 DE2901783 A1 DE 2901783A1 DE 19792901783 DE19792901783 DE 19792901783 DE 2901783 A DE2901783 A DE 2901783A DE 2901783 A1 DE2901783 A1 DE 2901783A1
- Authority
- DE
- Germany
- Prior art keywords
- acrylic acid
- hydroquinone
- extraction
- dimer
- decomposition
- 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.)
- Granted
Links
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 title claims description 158
- 238000000034 method Methods 0.000 title claims description 43
- 238000011084 recovery Methods 0.000 title claims description 29
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 claims description 141
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 137
- 239000007788 liquid Substances 0.000 claims description 80
- CYUZOYPRAQASLN-UHFFFAOYSA-N 3-prop-2-enoyloxypropanoic acid Chemical compound OC(=O)CCOC(=O)C=C CYUZOYPRAQASLN-UHFFFAOYSA-N 0.000 claims description 61
- 238000000605 extraction Methods 0.000 claims description 56
- 238000000354 decomposition reaction Methods 0.000 claims description 38
- 238000006731 degradation reaction Methods 0.000 claims description 37
- 230000015556 catabolic process Effects 0.000 claims description 36
- 238000001704 evaporation Methods 0.000 claims description 33
- 230000008020 evaporation Effects 0.000 claims description 32
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 239000000539 dimer Substances 0.000 claims description 26
- 239000000126 substance Substances 0.000 claims description 25
- 239000007864 aqueous solution Substances 0.000 claims description 24
- 238000000926 separation method Methods 0.000 claims description 23
- 239000007789 gas Substances 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 15
- 230000003647 oxidation Effects 0.000 claims description 13
- 238000007254 oxidation reaction Methods 0.000 claims description 13
- 230000003197 catalytic effect Effects 0.000 claims description 9
- -1 olefin compound Chemical class 0.000 claims description 8
- 239000012808 vapor phase Substances 0.000 claims description 8
- 238000003809 water extraction Methods 0.000 claims description 8
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 4
- 239000007795 chemical reaction product Substances 0.000 claims description 4
- 229910001882 dioxygen Inorganic materials 0.000 claims description 4
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims description 4
- 238000000638 solvent extraction Methods 0.000 claims description 4
- 238000003287 bathing Methods 0.000 claims 1
- 239000002131 composite material Substances 0.000 claims 1
- 239000007857 degradation product Substances 0.000 claims 1
- 239000003112 inhibitor Substances 0.000 description 29
- 238000006116 polymerization reaction Methods 0.000 description 28
- 238000009835 boiling Methods 0.000 description 17
- 239000000203 mixture Substances 0.000 description 15
- 239000002904 solvent Substances 0.000 description 14
- 229920000642 polymer Polymers 0.000 description 10
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 9
- 238000007670 refining Methods 0.000 description 9
- HGINCPLSRVDWNT-UHFFFAOYSA-N Acrolein Chemical compound C=CC=O HGINCPLSRVDWNT-UHFFFAOYSA-N 0.000 description 8
- 230000029087 digestion Effects 0.000 description 8
- 238000004821 distillation Methods 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- 239000012530 fluid Substances 0.000 description 7
- AZQWKYJCGOJGHM-UHFFFAOYSA-N 1,4-benzoquinone Chemical compound O=C1C=CC(=O)C=C1 AZQWKYJCGOJGHM-UHFFFAOYSA-N 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 239000002253 acid Substances 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 239000006227 byproduct Substances 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 5
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 239000012071 phase Substances 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- 239000013638 trimer Substances 0.000 description 4
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 239000005749 Copper compound Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 150000001880 copper compounds Chemical class 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000006471 dimerization reaction Methods 0.000 description 2
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- XYFCBTPGUUZFHI-UHFFFAOYSA-N phosphine group Chemical group P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 description 2
- WJFKNYWRSNBZNX-UHFFFAOYSA-N 10H-phenothiazine Chemical compound C1=CC=C2NC3=CC=CC=C3SC2=C1 WJFKNYWRSNBZNX-UHFFFAOYSA-N 0.000 description 1
- QTWJRLJHJPIABL-UHFFFAOYSA-N 2-methylphenol;3-methylphenol;4-methylphenol Chemical compound CC1=CC=C(O)C=C1.CC1=CC=CC(O)=C1.CC1=CC=CC=C1O QTWJRLJHJPIABL-UHFFFAOYSA-N 0.000 description 1
- BJEMXPVDXFSROA-UHFFFAOYSA-N 3-butylbenzene-1,2-diol Chemical group CCCCC1=CC=CC(O)=C1O BJEMXPVDXFSROA-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- ATMLPEJAVWINOF-UHFFFAOYSA-N acrylic acid acrylic acid Chemical class OC(=O)C=C.OC(=O)C=C ATMLPEJAVWINOF-UHFFFAOYSA-N 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000010533 azeotropic distillation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 229930003836 cresol Natural products 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229940035422 diphenylamine Drugs 0.000 description 1
- CXKWCBBOMKCUKX-UHFFFAOYSA-M methylene blue Chemical compound [Cl-].C1=CC(N(C)C)=CC2=[S+]C3=CC(N(C)C)=CC=C3N=C21 CXKWCBBOMKCUKX-UHFFFAOYSA-M 0.000 description 1
- 229960000907 methylthioninium chloride Drugs 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000006384 oligomerization reaction Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 229950000688 phenothiazine Drugs 0.000 description 1
- 229910000073 phosphorus hydride Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 150000004053 quinones Chemical class 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 150000003335 secondary amines Chemical class 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 150000003512 tertiary amines Chemical class 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
- C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP375378A JPS5498718A (en) | 1978-01-19 | 1978-01-19 | Recovery of acrylic acid |
| JP434678A JPS54100315A (en) | 1978-01-20 | 1978-01-20 | Recovery of acrylic acid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2901783A1 true DE2901783A1 (de) | 1979-08-02 |
| DE2901783C2 DE2901783C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1990-10-18 |
Family
ID=26337389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19792901783 Granted DE2901783A1 (de) | 1978-01-19 | 1979-01-18 | Verfahren zur rueckgewinnung von akrylsaeure |
Country Status (4)
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6498272B1 (en) | 1999-03-06 | 2002-12-24 | Basf Aktiengesellschaft | Method for producing acrylic acid |
| WO2002051786A3 (de) * | 2000-12-22 | 2003-01-23 | Basf Ag | Verfahren zur herstellung von (meth)acrylsäure |
| WO2005080308A1 (de) * | 2004-02-19 | 2005-09-01 | Stockhausen Gmbh | Spaltung oligomerer (meth)acrylsäure in flüssiger phase unter druck |
| DE102004008574A1 (de) * | 2004-02-19 | 2005-09-15 | Stockhausen Gmbh | Verfahren zur Reinigung von (Meth)Acrylsäure aus destillativer Aufarbeitung mittels Dimerenspaltung |
| US7700804B2 (en) | 2006-12-22 | 2010-04-20 | Basf Aktiengesellschaft | Process for transferring heat to a liquid mixture comprising at least one (meth)acrylic monomer |
| DE102008054587A1 (de) | 2008-12-12 | 2010-06-17 | Basf Se | Verfahren zur Rückspaltung von in einer Flüssigkeit F enthaltenen Michael-Addukten, die bei der Herstellung von Acrylsäure oder deren Ester gebildet wurde |
| WO2021224044A1 (de) | 2020-05-04 | 2021-11-11 | Basf Se | Verfahren zur rückspaltung von in einer flüssigkeit f enthaltenen michael-addukten, die bei der herstellung von acrylsäure gebildet wurden |
Families Citing this family (51)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1308737C (en) * | 1987-04-16 | 1992-10-13 | Syoichi Matsumoto | Process for producing methacrylic ester |
| US5034156A (en) * | 1988-04-18 | 1991-07-23 | Mallinckrodt Specialty Chemicals Company | Method for inhibiting the polymerization of acrylic acid |
| US4999452A (en) * | 1989-05-15 | 1991-03-12 | Union Carbide Chemicals And Plastics Company Inc. | Process for producing acrylic ester |
| FR2650587B1 (fr) * | 1989-08-03 | 1991-10-18 | Norsolor Sa | Procede de preparation en continu d'acrylates legers |
| DE69333752T3 (de) | 1992-06-10 | 2011-03-03 | Nippon Shokubai Co. Ltd. | Verfahren zur Herstellung eines hydrophilen Harzes |
| DE4319534A1 (de) * | 1993-06-12 | 1994-12-15 | Hoechst Ag | Verfahren zur Aufarbeitung von Lösungsmittelgemischen enthaltend schwersiedende Bestandteile sowie dafür geeignete Vorrichtung |
| JP3937462B2 (ja) * | 1994-08-04 | 2007-06-27 | 三菱化学株式会社 | アクリル酸精製法 |
| FR2727964B1 (fr) * | 1994-12-12 | 1997-01-24 | Atochem Elf Sa | Procede de recuperation des produits nobles legers contenus dans les residus de distillation des procedes de fabrication de l'acide acrylique et de ses esters |
| DE19501325A1 (de) * | 1995-01-18 | 1996-07-25 | Basf Ag | Verfahren der rektifikativen Abtrennung von (Meth)acrylsäure aus einem (Meth)acrylsäure enthaltenden Gemisch |
| JPH1112222A (ja) | 1997-06-25 | 1999-01-19 | Nippon Shokubai Co Ltd | アクリル酸の回収方法 |
| EP0914854B1 (en) | 1997-10-28 | 2004-01-14 | Ube Industries, Ltd. | Apparatus and process for generating mixed multi-component vapor |
| TW524796B (en) * | 1997-11-17 | 2003-03-21 | Sumitomo Chemical Co | Method for producing acrylic acid |
| US6384274B1 (en) | 1998-09-27 | 2002-05-07 | Rohm And Haas Company | Single reactor process for preparing acrylic acid from propylene having improved capacity |
| US6620968B1 (en) | 1999-11-23 | 2003-09-16 | Rohm And Haas Company | High hydrocarbon space velocity process for preparing unsaturated aldehydes and acids |
| CN1267397C (zh) * | 2001-10-30 | 2006-08-02 | 三菱化学株式会社 | 丙烯酸或甲基丙烯酸的精制方法 |
| WO2003043968A1 (en) * | 2001-11-20 | 2003-05-30 | Mitsubishi Chemical Corporation | Process for producing (meth)acrylic acid compounds |
| TW200300415A (en) * | 2001-11-22 | 2003-06-01 | Mitsubishi Chem Corp | Recycle method of inhibitor and production method of acrylic acid |
| JP2003160532A (ja) * | 2001-11-28 | 2003-06-03 | Mitsubishi Chemicals Corp | （メタ）アクリル酸の製造方法 |
| WO2003045892A1 (en) * | 2001-11-28 | 2003-06-05 | Mitsubishi Chemical Corporation | Process for producing (meth)acrylic acid compound |
| US6825381B2 (en) * | 2001-12-10 | 2004-11-30 | Nippon Shokubai Co., Ltd. | Method and apparatus for absorbing (meth) acrylic acid |
| JP4440518B2 (ja) * | 2002-07-16 | 2010-03-24 | 株式会社日本触媒 | アクリル酸の製造方法 |
| US7183428B2 (en) * | 2003-06-05 | 2007-02-27 | Nippon Shokubai Co., Inc. | Method for production of acrylic acid |
| BRPI0416972B1 (pt) * | 2003-11-28 | 2016-02-10 | Mitsubishi Chem Corp | método para coletar (met) acroleína ou ácido (met)acrílico, e, dispositivo de coleta |
| RU2350598C2 (ru) * | 2003-11-28 | 2009-03-27 | Мицубиси Кемикал Корпорейшн | Способ очистки (мет)акриловой кислоты |
| KR100563661B1 (ko) * | 2003-12-18 | 2006-03-23 | 한국전자통신연구원 | 가변 고차 베셀 저역 통과 필터 |
| JP2005239636A (ja) * | 2004-02-26 | 2005-09-08 | Mitsubishi Chemicals Corp | 高粘性物質の取扱い方法 |
| KR100714631B1 (ko) * | 2004-04-29 | 2007-05-07 | 주식회사 엘지화학 | 아크릴산의 회수 방법 |
| DE102004021764A1 (de) * | 2004-04-30 | 2005-06-02 | Basf Ag | Verfahren zur Herstellung von Acrylsäure durch heterogen katalysierte Gasphasenpartialoxidation wenigstens einer C3-Kohlenwasserstoffvorläuferverbindung |
| US8431743B2 (en) * | 2004-07-01 | 2013-04-30 | Basf Aktiengesellschaft | Preparation of acrylic acid by heterogeneously catalyzed partial gas phase oxidation of propylene |
| 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 |
| DE102005039156B4 (de) * | 2005-08-17 | 2014-12-24 | Evonik Degussa Gmbh | Verfahren zur Herstellung von (Meth)Acrylsäure mit Schwersiedeaufarbeitung durch Kristallisation |
| EP2334631B1 (de) * | 2008-07-28 | 2017-03-01 | Basf Se | Verfahren zur auftrennung von in einem produktgasgemisch einer partiellen heterogen katalysierten gasphasenoxidation einer c3-vorläuferverbinding der acrylsäure als hauptbestandteil enthaltener acrylsäure und als nebenprodukt enthaltenem glyoxal |
| 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 |
| EP3255030B1 (en) | 2015-02-05 | 2020-03-04 | Nippon Shokubai Co., Ltd. | Method for producing acrylic acid |
| MA41513A (fr) | 2015-02-13 | 2017-12-19 | Novomer Inc | Procédé de distillation pour la production d'acide acrylique |
| MA41510A (fr) | 2015-02-13 | 2017-12-19 | Novomer Inc | Procédé de production d'acide acrylique |
| CN108026013B (zh) | 2015-07-31 | 2022-09-13 | 诺沃梅尔公司 | 用于丙烯酸及其前体的生产系统/生产方法 |
| KR101990058B1 (ko) | 2015-12-22 | 2019-06-17 | 주식회사 엘지화학 | (메트)아크릴산의 연속 회수 방법 |
| US10065914B1 (en) | 2017-04-24 | 2018-09-04 | Novomer, Inc. | Thermolysis of polypropiolactone to produce acrylic acid |
| US10781156B2 (en) | 2017-06-30 | 2020-09-22 | Novomer, Inc. | Compositions for improved production of acrylic acid |
| 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 |
| KR20210137037A (ko) | 2019-03-08 | 2021-11-17 | 노보머, 인코포레이티드 | 아미드 및 니트릴 화합물을 생산하기 위한 통합 방법 및 시스템 |
| US20230132285A1 (en) | 2020-03-26 | 2023-04-27 | Basf Se | Process for inhibiting the undesired free-radical polymerization of acrylic acid present in a liquid phase p |
| FR3137088B1 (fr) * | 2022-06-24 | 2024-05-10 | Arkema France | Procede de valorisation en batch de sous-produits lourds issus de la fabrication d’acide acrylique |
| FR3137089B1 (fr) * | 2022-06-24 | 2024-05-10 | Arkema France | Procede de valorisation de sous-produits lourds issus de la fabrication d’acide acrylique |
| FR3137091B1 (fr) * | 2022-06-24 | 2024-05-10 | Arkema France | Procede de valorisation continu de sous-produits lourds issus de la fabrication d’acide acrylique |
| FR3137090B1 (fr) * | 2022-06-24 | 2024-05-10 | Arkema France | Procede de valorisation de sous-produits lourds issus de la fabrication d’acide acrylique |
| WO2025131819A2 (en) | 2023-12-19 | 2025-06-26 | IFP Energies Nouvelles | Process for production of bio-acrylic acid |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3086046A (en) * | 1959-01-30 | 1963-04-16 | Basf Ag | Cleavage of diacrylic acid to form acrylic acid |
| JPS5191208A (en) * | 1975-02-07 | 1976-08-10 | Akurirusanno jugoboshihoho |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2941007A (en) * | 1957-06-10 | 1960-06-14 | Standard Oil Co | Process for the oxidation of olefins |
| DE1668609C3 (de) | 1967-09-23 | 1975-06-05 | Roehm Gmbh, 6100 Darmstadt | Verfahren zur Gewinnung konzentrierter Acrylsäure |
| BE786398A (fr) * | 1971-07-21 | 1973-01-18 | Basf Ag | Procede de preparation de l'acide acrylique anhydre |
| NL180579C (nl) | 1972-05-24 | 1987-03-16 | Sumitomo Chemical Co | Werkwijze voor het scheiden van een mengsel bestaande uit acrylzuur, azijnzuur en water. |
| GB1458397A (en) * | 1972-12-27 | 1976-12-15 | Degussa | Process for obtaining pure acrylic acid |
| DE2407236C2 (de) | 1974-02-15 | 1983-02-03 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Herstellung monomerer Acrylsäure aus Rückständen, die bei der Aufarbeitung roher Acrylsäure anfallen |
| US4124634A (en) * | 1974-10-23 | 1978-11-07 | Asahi Glass Company, Ltd. | Process for producing methacrylic acid from isobutylene by two step oxidation |
-
1979
- 1979-01-15 US US06/003,405 patent/US4317926A/en not_active Expired - Lifetime
- 1979-01-18 DE DE19792901783 patent/DE2901783A1/de active Granted
- 1979-01-19 GB GB792038A patent/GB2012760B/en not_active Expired
- 1979-01-19 FR FR7901403A patent/FR2415092A1/fr active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3086046A (en) * | 1959-01-30 | 1963-04-16 | Basf Ag | Cleavage of diacrylic acid to form acrylic acid |
| JPS5191208A (en) * | 1975-02-07 | 1976-08-10 | Akurirusanno jugoboshihoho |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6498272B1 (en) | 1999-03-06 | 2002-12-24 | Basf Aktiengesellschaft | Method for producing acrylic acid |
| WO2002051786A3 (de) * | 2000-12-22 | 2003-01-23 | Basf Ag | Verfahren zur herstellung von (meth)acrylsäure |
| WO2005080308A1 (de) * | 2004-02-19 | 2005-09-01 | Stockhausen Gmbh | Spaltung oligomerer (meth)acrylsäure in flüssiger phase unter druck |
| DE102004008574A1 (de) * | 2004-02-19 | 2005-09-15 | Stockhausen Gmbh | Verfahren zur Reinigung von (Meth)Acrylsäure aus destillativer Aufarbeitung mittels Dimerenspaltung |
| DE102004008574B4 (de) | 2004-02-19 | 2018-03-15 | Evonik Degussa Gmbh | Verfahren zur Reinigung von (Meth)Acrylsäure aus destillativer Aufarbeitung mittels Dimerenspaltung |
| US7700804B2 (en) | 2006-12-22 | 2010-04-20 | Basf Aktiengesellschaft | Process for transferring heat to a liquid mixture comprising at least one (meth)acrylic monomer |
| DE102008054587A1 (de) | 2008-12-12 | 2010-06-17 | Basf Se | Verfahren zur Rückspaltung von in einer Flüssigkeit F enthaltenen Michael-Addukten, die bei der Herstellung von Acrylsäure oder deren Ester gebildet wurde |
| WO2021224044A1 (de) | 2020-05-04 | 2021-11-11 | Basf Se | Verfahren zur rückspaltung von in einer flüssigkeit f enthaltenen michael-addukten, die bei der herstellung von acrylsäure gebildet wurden |
Also Published As
| Publication number | Publication date |
|---|---|
| US4317926A (en) | 1982-03-02 |
| GB2012760B (en) | 1982-06-23 |
| FR2415092A1 (fr) | 1979-08-17 |
| DE2901783C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1990-10-18 |
| FR2415092B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1983-11-18 |
| GB2012760A (en) | 1979-08-01 |
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| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |