JP5821660B2 - (メタ)アクリル酸の製造方法 - Google Patents
(メタ)アクリル酸の製造方法 Download PDFInfo
- Publication number
- JP5821660B2 JP5821660B2 JP2012013120A JP2012013120A JP5821660B2 JP 5821660 B2 JP5821660 B2 JP 5821660B2 JP 2012013120 A JP2012013120 A JP 2012013120A JP 2012013120 A JP2012013120 A JP 2012013120A JP 5821660 B2 JP5821660 B2 JP 5821660B2
- Authority
- JP
- Japan
- Prior art keywords
- acrylic acid
- meth
- water
- extraction
- residual water
- 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.)
- Active
Links
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 title claims description 58
- 238000004519 manufacturing process Methods 0.000 title claims description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 126
- 238000000605 extraction Methods 0.000 claims description 82
- 238000006116 polymerization reaction Methods 0.000 claims description 51
- 239000007788 liquid Substances 0.000 claims description 50
- 238000010521 absorption reaction Methods 0.000 claims description 49
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N 1,4-Benzenediol Natural products OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 claims description 46
- 239000003112 inhibitor Substances 0.000 claims description 46
- 238000007254 oxidation reaction Methods 0.000 claims description 39
- 238000000034 method Methods 0.000 claims description 31
- 239000002699 waste material Substances 0.000 claims description 27
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 25
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 21
- 239000011976 maleic acid Substances 0.000 claims description 21
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims description 21
- 239000007864 aqueous solution Substances 0.000 claims description 20
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 claims description 20
- 239000000126 substance Substances 0.000 claims description 18
- 239000012495 reaction gas Substances 0.000 claims description 12
- 238000009835 boiling Methods 0.000 claims description 11
- 239000007789 gas Substances 0.000 claims description 10
- 229930195733 hydrocarbon Natural products 0.000 claims description 8
- 150000002430 hydrocarbons Chemical class 0.000 claims description 8
- 125000004432 carbon atom Chemical group C* 0.000 claims description 7
- 230000003197 catalytic effect Effects 0.000 claims description 6
- 239000004215 Carbon black (E152) Substances 0.000 claims description 5
- 238000004064 recycling Methods 0.000 claims description 5
- 125000000687 hydroquinonyl group Chemical group C1(O)=C(C=C(O)C=C1)* 0.000 claims description 2
- 239000003021 water soluble solvent Substances 0.000 claims description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 59
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 59
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 35
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 33
- 239000005011 phenolic resin Substances 0.000 description 28
- 239000002904 solvent Substances 0.000 description 21
- 238000005755 formation reaction Methods 0.000 description 13
- 239000002912 waste gas Substances 0.000 description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 12
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 12
- 239000006227 byproduct Substances 0.000 description 12
- 235000019256 formaldehyde Nutrition 0.000 description 12
- 230000003647 oxidation Effects 0.000 description 11
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 11
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 11
- 230000015572 biosynthetic process Effects 0.000 description 10
- 239000007787 solid Substances 0.000 description 10
- 239000012141 concentrate Substances 0.000 description 9
- 238000004821 distillation Methods 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 9
- 238000000746 purification Methods 0.000 description 9
- HGINCPLSRVDWNT-UHFFFAOYSA-N Acrolein Chemical compound C=CC=O HGINCPLSRVDWNT-UHFFFAOYSA-N 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 8
- 150000001875 compounds Chemical class 0.000 description 8
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 7
- -1 copper salt compounds Chemical class 0.000 description 7
- 239000002994 raw material Substances 0.000 description 7
- 239000000203 mixture Substances 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- OPQARKPSCNTWTJ-UHFFFAOYSA-L copper(ii) acetate Chemical compound [Cu+2].CC([O-])=O.CC([O-])=O OPQARKPSCNTWTJ-UHFFFAOYSA-L 0.000 description 5
- 230000000670 limiting effect Effects 0.000 description 5
- 230000002829 reductive effect Effects 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 239000003799 water insoluble solvent Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 150000001299 aldehydes Chemical class 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 239000011949 solid catalyst Substances 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 4
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 239000012046 mixed solvent Substances 0.000 description 3
- 229920001568 phenolic resin Polymers 0.000 description 3
- 230000003405 preventing effect Effects 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 150000003863 ammonium salts Chemical class 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 229940116318 copper carbonate Drugs 0.000 description 2
- 229910000365 copper sulfate Inorganic materials 0.000 description 2
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 2
- GEZOTWYUIKXWOA-UHFFFAOYSA-L copper;carbonate Chemical compound [Cu+2].[O-]C([O-])=O GEZOTWYUIKXWOA-UHFFFAOYSA-L 0.000 description 2
- XPLSDXJBKRIVFZ-UHFFFAOYSA-L copper;prop-2-enoate Chemical compound [Cu+2].[O-]C(=O)C=C.[O-]C(=O)C=C XPLSDXJBKRIVFZ-UHFFFAOYSA-L 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003085 diluting agent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- CKFGINPQOCXMAZ-UHFFFAOYSA-N methanediol Chemical compound OCO CKFGINPQOCXMAZ-UHFFFAOYSA-N 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 150000002832 nitroso derivatives Chemical class 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 150000002989 phenols Chemical class 0.000 description 2
- 150000002990 phenothiazines Chemical class 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- CMNBOLHMJHONJU-UHFFFAOYSA-N (2,2,6,6-tetramethylpiperidin-1-yl)oxy dihydrogen phosphite Chemical compound CC1(C)CCCC(C)(C)N1OOP(O)O CMNBOLHMJHONJU-UHFFFAOYSA-N 0.000 description 1
- PJYUCLOYEILMHQ-UHFFFAOYSA-N 1,2-bis(1-phenylethyl)-10h-phenothiazine Chemical compound C=1C=C2SC3=CC=CC=C3NC2=C(C(C)C=2C=CC=CC=2)C=1C(C)C1=CC=CC=C1 PJYUCLOYEILMHQ-UHFFFAOYSA-N 0.000 description 1
- WJFKNYWRSNBZNX-UHFFFAOYSA-N 10H-phenothiazine Chemical compound C1=CC=C2NC3=CC=CC=C3SC2=C1 WJFKNYWRSNBZNX-UHFFFAOYSA-N 0.000 description 1
- UZFMOKQJFYMBGY-UHFFFAOYSA-N 4-hydroxy-TEMPO Chemical group CC1(C)CC(O)CC(C)(C)N1[O] UZFMOKQJFYMBGY-UHFFFAOYSA-N 0.000 description 1
- JSTCPNFNKICNNO-UHFFFAOYSA-N 4-nitrosophenol Chemical compound OC1=CC=C(N=O)C=C1 JSTCPNFNKICNNO-UHFFFAOYSA-N 0.000 description 1
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical group CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 1
- UBUCNCOMADRQHX-UHFFFAOYSA-N N-Nitrosodiphenylamine Chemical compound C=1C=CC=CC=1N(N=O)C1=CC=CC=C1 UBUCNCOMADRQHX-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- QYTDEUPAUMOIOP-UHFFFAOYSA-N TEMPO Chemical group CC1(C)CCCC(C)(C)N1[O] QYTDEUPAUMOIOP-UHFFFAOYSA-N 0.000 description 1
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 1
- 239000007983 Tris buffer Substances 0.000 description 1
- 239000003377 acid catalyst Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 238000010533 azeotropic distillation Methods 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- 238000007084 catalytic combustion reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 229940120693 copper naphthenate Drugs 0.000 description 1
- XTVVROIMIGLXTD-UHFFFAOYSA-N copper(II) nitrate Chemical compound [Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XTVVROIMIGLXTD-UHFFFAOYSA-N 0.000 description 1
- SEVNKWFHTNVOLD-UHFFFAOYSA-L copper;3-(4-ethylcyclohexyl)propanoate;3-(3-ethylcyclopentyl)propanoate Chemical compound [Cu+2].CCC1CCC(CCC([O-])=O)C1.CCC1CCC(CCC([O-])=O)CC1 SEVNKWFHTNVOLD-UHFFFAOYSA-L 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000001784 detoxification Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 150000002689 maleic acids Chemical class 0.000 description 1
- 229940071125 manganese acetate Drugs 0.000 description 1
- 229940093474 manganese carbonate Drugs 0.000 description 1
- 235000006748 manganese carbonate Nutrition 0.000 description 1
- 239000011656 manganese carbonate Substances 0.000 description 1
- 229940099596 manganese sulfate Drugs 0.000 description 1
- 235000007079 manganese sulphate Nutrition 0.000 description 1
- 239000011702 manganese sulphate Substances 0.000 description 1
- UOGMEBQRZBEZQT-UHFFFAOYSA-L manganese(2+);diacetate Chemical compound [Mn+2].CC([O-])=O.CC([O-])=O UOGMEBQRZBEZQT-UHFFFAOYSA-L 0.000 description 1
- BHVPEUGTPDJECS-UHFFFAOYSA-L manganese(2+);diformate Chemical compound [Mn+2].[O-]C=O.[O-]C=O BHVPEUGTPDJECS-UHFFFAOYSA-L 0.000 description 1
- SGGOJYZMTYGPCH-UHFFFAOYSA-L manganese(2+);naphthalene-2-carboxylate Chemical compound [Mn+2].C1=CC=CC2=CC(C(=O)[O-])=CC=C21.C1=CC=CC2=CC(C(=O)[O-])=CC=C21 SGGOJYZMTYGPCH-UHFFFAOYSA-L 0.000 description 1
- XRBXDSSZUZAVBF-UHFFFAOYSA-L manganese(2+);prop-2-enoate Chemical compound [Mn+2].[O-]C(=O)C=C.[O-]C(=O)C=C XRBXDSSZUZAVBF-UHFFFAOYSA-L 0.000 description 1
- 229910000016 manganese(II) carbonate Inorganic materials 0.000 description 1
- SQQMAOCOWKFBNP-UHFFFAOYSA-L manganese(II) sulfate Chemical compound [Mn+2].[O-]S([O-])(=O)=O SQQMAOCOWKFBNP-UHFFFAOYSA-L 0.000 description 1
- XMWCXZJXESXBBY-UHFFFAOYSA-L manganese(ii) carbonate Chemical compound [Mn+2].[O-]C([O-])=O XMWCXZJXESXBBY-UHFFFAOYSA-L 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- AUHZEENZYGFFBQ-UHFFFAOYSA-N mesitylene Substances CC1=CC(C)=CC(C)=C1 AUHZEENZYGFFBQ-UHFFFAOYSA-N 0.000 description 1
- 125000001827 mesitylenyl group Chemical group [H]C1=C(C(*)=C(C([H])=C1C([H])([H])[H])C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- DAHPIMYBWVSMKQ-UHFFFAOYSA-N n-hydroxy-n-phenylnitrous amide Chemical compound O=NN(O)C1=CC=CC=C1 DAHPIMYBWVSMKQ-UHFFFAOYSA-N 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- NWVVVBRKAWDGAB-UHFFFAOYSA-N p-methoxyphenol Chemical compound COC1=CC=C(O)C=C1 NWVVVBRKAWDGAB-UHFFFAOYSA-N 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 229950000688 phenothiazine Drugs 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000002195 soluble material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Images
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012013120A JP5821660B2 (ja) | 2012-01-25 | 2012-01-25 | (メタ)アクリル酸の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012013120A JP5821660B2 (ja) | 2012-01-25 | 2012-01-25 | (メタ)アクリル酸の製造方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2013151455A JP2013151455A (ja) | 2013-08-08 |
| JP2013151455A5 JP2013151455A5 (enExample) | 2014-10-09 |
| JP5821660B2 true JP5821660B2 (ja) | 2015-11-24 |
Family
ID=49048156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2012013120A Active JP5821660B2 (ja) | 2012-01-25 | 2012-01-25 | (メタ)アクリル酸の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5821660B2 (enExample) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103880649B (zh) * | 2014-04-03 | 2016-08-31 | 泰兴市裕廊化工有限公司 | 一种高收率冰晶级丙烯酸的制备方法 |
| JP6455318B2 (ja) * | 2015-05-28 | 2019-01-23 | 三菱ケミカル株式会社 | 液体の処理方法及びアクリロニトリル又はメタアクリロニトリルの製造方法 |
| KR102079775B1 (ko) | 2016-11-25 | 2020-02-20 | 주식회사 엘지화학 | (메트)아크릴산의 연속 회수 방법 및 장치 |
| KR102079774B1 (ko) | 2016-11-25 | 2020-02-20 | 주식회사 엘지화학 | (메트)아크릴산의 연속 회수 방법 및 장치 |
| CN112807743B (zh) * | 2021-01-15 | 2023-03-24 | 江苏普利瑞科技有限公司 | 一种利用萃取液浓缩盐水并分离有机物的方法 |
| EP4491610A4 (en) * | 2022-08-30 | 2025-11-19 | Lg Chemical Ltd | PROCESS FOR PREPARING HIGH-PURITY (METH)ACRYLIC ACID |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5407475B2 (ja) * | 2008-03-31 | 2014-02-05 | 三菱化学株式会社 | (メタ)アクリル酸の製造方法 |
-
2012
- 2012-01-25 JP JP2012013120A patent/JP5821660B2/ja active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP2013151455A (ja) | 2013-08-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5821660B2 (ja) | (メタ)アクリル酸の製造方法 | |
| US6642414B2 (en) | Method for production of (meth) acrylic acid | |
| JP2000290221A (ja) | (メタ)アクリル酸の精製方法 | |
| CN107074715B (zh) | 制备甲基丙烯酸的优化方法 | |
| JP2012232996A (ja) | (メタ)アクリル酸の製造方法 | |
| CN109071403B (zh) | 连续回收(甲基)丙烯酸的方法和用于该方法的装置 | |
| JP4455790B2 (ja) | (メタ)アクリル酸の製造方法 | |
| JP2004359611A (ja) | (メタ)アクリル酸の製造方法 | |
| JP6602490B2 (ja) | (メタ)アクリル酸の回収方法 | |
| JP7105799B2 (ja) | 分離壁を備えた蒸留カラムを含む(メタ)アクリル酸の精製方法 | |
| US20130014645A1 (en) | Method for removal of organic compounds from waste water streams in a progress for production of (meth)acrylic acid | |
| JP6135565B2 (ja) | (メタ)アクリル酸の製造方法 | |
| WO2003051811A1 (en) | Process for producing (meth)acrylic acid | |
| JP2004091424A (ja) | (メタ)アクリル酸類の製造方法 | |
| JP5368673B2 (ja) | (メタ)アクリル酸の製造方法 | |
| CN104968638B (zh) | 从丙烯非均相催化氧化的工艺气体中除去丙烯醛的方法 | |
| TWI574943B (zh) | 製備甲基丙烯酸和甲基丙烯酸酯類之方法 | |
| JP2014528934A (ja) | メタクリル酸およびメタクリル酸エステルの製造方法 | |
| CN108430965B (zh) | (甲基)丙烯酸的制造方法 | |
| JP4050187B2 (ja) | (メタ)アクリル酸の捕集方法 | |
| JPH0834757A (ja) | アクリル酸の精製法 | |
| KR20160057928A (ko) | (메트)아크릴산의 연속 회수 방법 및 장치 | |
| CN100486954C (zh) | 高粘度物质的处理方法 | |
| JP2003267917A (ja) | 蒸留塔の運転停止方法 | |
| JP2007176951A (ja) | (メタ)アクリル酸の製造方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20140826 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20140826 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20150406 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20150414 |
|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20150507 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20150908 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20150921 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 5821660 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313111 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |