CN107074723A - 用于生产甲基丙烯酸甲酯的减少积垢的方法 - Google Patents
用于生产甲基丙烯酸甲酯的减少积垢的方法 Download PDFInfo
- Publication number
- CN107074723A CN107074723A CN201580056111.7A CN201580056111A CN107074723A CN 107074723 A CN107074723 A CN 107074723A CN 201580056111 A CN201580056111 A CN 201580056111A CN 107074723 A CN107074723 A CN 107074723A
- Authority
- CN
- China
- Prior art keywords
- stream
- phase
- water
- polymer
- mma
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 47
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 title claims description 33
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 66
- 229920000642 polymer Polymers 0.000 claims description 47
- 239000012071 phase Substances 0.000 claims description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 21
- 239000010410 layer Substances 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 18
- 239000008346 aqueous phase Substances 0.000 claims description 15
- 239000000047 product Substances 0.000 claims description 15
- 238000005191 phase separation Methods 0.000 claims description 14
- 239000002253 acid Substances 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 12
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 8
- DZGUJOWBVDZNNF-UHFFFAOYSA-N azanium;2-methylprop-2-enoate Chemical compound [NH4+].CC(=C)C([O-])=O DZGUJOWBVDZNNF-UHFFFAOYSA-N 0.000 claims description 8
- 239000012044 organic layer Substances 0.000 claims description 8
- 230000032050 esterification Effects 0.000 claims description 7
- 238000005886 esterification reaction Methods 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 6
- 239000012263 liquid product Substances 0.000 claims description 5
- 238000006386 neutralization reaction Methods 0.000 claims description 5
- 229910021529 ammonia Inorganic materials 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- QYPPRTNMGCREIM-UHFFFAOYSA-N methylarsonic acid Chemical compound C[As](O)(O)=O QYPPRTNMGCREIM-UHFFFAOYSA-N 0.000 claims description 3
- WPKYZIPODULRBM-UHFFFAOYSA-N azane;prop-2-enoic acid Chemical compound N.OC(=O)C=C WPKYZIPODULRBM-UHFFFAOYSA-N 0.000 claims description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims 1
- 239000004926 polymethyl methacrylate Substances 0.000 claims 1
- 239000000779 smoke Substances 0.000 claims 1
- 238000000746 purification Methods 0.000 description 22
- 239000012074 organic phase Substances 0.000 description 12
- 239000012535 impurity Substances 0.000 description 10
- 239000003112 inhibitor Substances 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000004064 recycling Methods 0.000 description 7
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 6
- 238000005336 cracking Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 238000006116 polymerization reaction Methods 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- WWILHZQYNPQALT-UHFFFAOYSA-N 2-methyl-2-morpholin-4-ylpropanal Chemical compound O=CC(C)(C)N1CCOCC1 WWILHZQYNPQALT-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000005864 Sulphur Substances 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000003776 cleavage reaction Methods 0.000 description 3
- 239000000284 extract Substances 0.000 description 3
- 239000000413 hydrolysate Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000000197 pyrolysis Methods 0.000 description 3
- 239000000376 reactant Substances 0.000 description 3
- 230000007017 scission Effects 0.000 description 3
- MWFMGBPGAXYFAR-UHFFFAOYSA-N 2-hydroxy-2-methylpropanenitrile Chemical compound CC(C)(O)C#N MWFMGBPGAXYFAR-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 229920002972 Acrylic fiber Polymers 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- DTQVDTLACAAQTR-UHFFFAOYSA-N Trifluoroacetic acid Chemical compound OC(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-N 0.000 description 2
- 239000000908 ammonium hydroxide Substances 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 238000005227 gel permeation chromatography Methods 0.000 description 2
- 229920001600 hydrophobic polymer Polymers 0.000 description 2
- WFKAJVHLWXSISD-UHFFFAOYSA-N isobutyramide Chemical compound CC(C)C(N)=O WFKAJVHLWXSISD-UHFFFAOYSA-N 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000003607 modifier Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 1
- 150000005208 1,4-dihydroxybenzenes Chemical class 0.000 description 1
- DRYMMXUBDRJPDS-UHFFFAOYSA-N 2-hydroxy-2-methylpropanamide Chemical compound CC(C)(O)C(N)=O DRYMMXUBDRJPDS-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
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 1
- 239000006057 Non-nutritive feed additive Substances 0.000 description 1
- 230000018199 S phase Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- OIPILFWXSMYKGL-UHFFFAOYSA-N acetylcholine Chemical compound CC(=O)OCC[N+](C)(C)C OIPILFWXSMYKGL-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010908 decantation Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- 229940047889 isobutyramide Drugs 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- YHWPRKXKQSKUSJ-UHFFFAOYSA-N methylazanium;prop-2-enoate Chemical compound [NH3+]C.[O-]C(=O)C=C YHWPRKXKQSKUSJ-UHFFFAOYSA-N 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- LYGJENNIWJXYER-UHFFFAOYSA-N nitromethane Chemical compound C[N+]([O-])=O LYGJENNIWJXYER-UHFFFAOYSA-N 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 239000002516 radical scavenger Substances 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- HHVIBTZHLRERCL-UHFFFAOYSA-N sulfonyldimethane Chemical compound CS(C)(=O)=O HHVIBTZHLRERCL-UHFFFAOYSA-N 0.000 description 1
- 150000003462 sulfoxides Chemical class 0.000 description 1
- -1 sulphur compound Chemical class 0.000 description 1
- 239000001117 sulphuric acid Substances 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/18—Preparation of carboxylic acid esters by conversion of a group containing nitrogen into an ester group
- C07C67/20—Preparation of carboxylic acid esters by conversion of a group containing nitrogen into an ester group from amides or lactams
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/42—Regulation; Control
- B01D3/4211—Regulation; Control of columns
- B01D3/4294—Feed stream
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
- B01J19/1868—Stationary reactors having moving elements inside resulting in a loop-type movement
- B01J19/1875—Stationary reactors having moving elements inside resulting in a loop-type movement internally, i.e. the mixture circulating inside the vessel such that the upwards stream is separated physically from the downwards stream(s)
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/58—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/52—Esters of acyclic unsaturated carboxylic acids having the esterified carboxyl group bound to an acyclic carbon atom
- C07C69/533—Monocarboxylic acid esters having only one carbon-to-carbon double bond
- C07C69/54—Acrylic acid esters; Methacrylic acid esters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00002—Chemical plants
- B01J2219/00027—Process aspects
- B01J2219/0004—Processes in series
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201462068996P | 2014-10-27 | 2014-10-27 | |
| US62/068996 | 2014-10-27 | ||
| PCT/US2015/055211 WO2016069252A1 (en) | 2014-10-27 | 2015-10-13 | Reduced fouling process for the production of methyl methacrylate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107074723A true CN107074723A (zh) | 2017-08-18 |
Family
ID=54347907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580056111.7A Pending CN107074723A (zh) | 2014-10-27 | 2015-10-13 | 用于生产甲基丙烯酸甲酯的减少积垢的方法 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US10294190B2 (enExample) |
| EP (1) | EP3212603B1 (enExample) |
| JP (1) | JP6740220B2 (enExample) |
| CN (1) | CN107074723A (enExample) |
| BR (1) | BR112017007905B1 (enExample) |
| WO (1) | WO2016069252A1 (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105968012B (zh) * | 2016-07-04 | 2019-11-08 | 江苏斯尔邦石化有限公司 | 一种mma洗涤塔酸度消除方法及用于该方法的装置 |
| KR102482504B1 (ko) * | 2018-04-23 | 2022-12-30 | 주식회사 엘지화학 | t-부틸 메타크릴레이트의 제조방법 |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2472487A (en) * | 1946-03-29 | 1949-06-07 | Standard Oil Dev Co | Butadiene extraction |
| US3210419A (en) * | 1960-06-29 | 1965-10-05 | Ici Ltd | Polymerisation inhibiting process in making methacrylic compounds |
| EP0561264A2 (en) * | 1992-03-16 | 1993-09-22 | ELF ATOCHEM ITALIA S.r.l. | Improved process for the production of methylmethacrylate monomer from acetoncyanhydrin |
| US5403963A (en) * | 1994-02-01 | 1995-04-04 | Shell Oil Company | Process for the production of lower alcohols |
| CN1121505A (zh) * | 1994-06-06 | 1996-05-01 | 三井东压化学株式会社 | 连续生产甲基丙烯酸甲酯的新方法 |
| CN1550489A (zh) * | 2001-11-27 | 2004-12-01 | 三菱化学株式会社 | （甲基）丙烯酸酯的制造方法 |
| CN103562171A (zh) * | 2011-05-27 | 2014-02-05 | 赢创罗姆有限公司 | 甲基丙烯酸的制备方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| LU38695A1 (enExample) | 1959-07-31 | |||
| US3821286A (en) | 1971-10-05 | 1974-06-28 | American Cyanamid Co | Process for the production of methyl methacrylate |
| ATE220657T1 (de) | 1998-11-04 | 2002-08-15 | Rohm & Haas | Verfahren zum herstellen mit grosser ausbeute von methylmethacrylat oder methacrylsäure |
| JP2003226672A (ja) * | 2001-11-27 | 2003-08-12 | Mitsubishi Chemicals Corp | （メタ）アクリル酸エステルの製造方法 |
| ZA200303241B (en) | 2002-05-01 | 2003-11-04 | Rohm & Haas | Improved process for methacrylic acid and methcrylic acid ester production. |
| DE102006058250A1 (de) | 2006-12-08 | 2008-06-12 | Evonik Röhm Gmbh | Integriertes Verfahren und Vorrichtung zur Herstellung von Methacrylsäureestern aus Aceton und Blausäure |
| JP6036400B2 (ja) * | 2013-02-26 | 2016-11-30 | 三菱化学株式会社 | （メタ）アクリル酸エステルの製造方法 |
-
2015
- 2015-10-13 WO PCT/US2015/055211 patent/WO2016069252A1/en not_active Ceased
- 2015-10-13 EP EP15784898.7A patent/EP3212603B1/en active Active
- 2015-10-13 US US15/521,421 patent/US10294190B2/en active Active
- 2015-10-13 JP JP2017518427A patent/JP6740220B2/ja active Active
- 2015-10-13 BR BR112017007905-4A patent/BR112017007905B1/pt active IP Right Grant
- 2015-10-13 CN CN201580056111.7A patent/CN107074723A/zh active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2472487A (en) * | 1946-03-29 | 1949-06-07 | Standard Oil Dev Co | Butadiene extraction |
| US3210419A (en) * | 1960-06-29 | 1965-10-05 | Ici Ltd | Polymerisation inhibiting process in making methacrylic compounds |
| EP0561264A2 (en) * | 1992-03-16 | 1993-09-22 | ELF ATOCHEM ITALIA S.r.l. | Improved process for the production of methylmethacrylate monomer from acetoncyanhydrin |
| US5403963A (en) * | 1994-02-01 | 1995-04-04 | Shell Oil Company | Process for the production of lower alcohols |
| CN1121505A (zh) * | 1994-06-06 | 1996-05-01 | 三井东压化学株式会社 | 连续生产甲基丙烯酸甲酯的新方法 |
| CN1550489A (zh) * | 2001-11-27 | 2004-12-01 | 三菱化学株式会社 | （甲基）丙烯酸酯的制造方法 |
| CN103562171A (zh) * | 2011-05-27 | 2014-02-05 | 赢创罗姆有限公司 | 甲基丙烯酸的制备方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| BR112017007905B1 (pt) | 2021-11-30 |
| JP2017531656A (ja) | 2017-10-26 |
| BR112017007905A2 (pt) | 2018-01-23 |
| US10294190B2 (en) | 2019-05-21 |
| JP6740220B2 (ja) | 2020-08-12 |
| EP3212603B1 (en) | 2020-11-25 |
| WO2016069252A1 (en) | 2016-05-06 |
| US20170298000A1 (en) | 2017-10-19 |
| EP3212603A1 (en) | 2017-09-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7501025B2 (en) | Process and apparatus for the conversion of biomass | |
| EP2099744B1 (de) | Destillative aufarbeitung von acetoncyanhydrin und verfahren zur herstellung von methacrylsäureester und nachfolgeprodukten | |
| WO2008068064A1 (de) | Integriertes verfahren und vorrichtung zur herstellung von methacrylsäureestern aus aceton und blausäure | |
| EP2054369B1 (de) | Verfahren und vorrichtung zur herstellung von methacrylsäurealkylestern | |
| EP2051957B1 (de) | Verfahren zur herstellung von methacrylsäure alkylestern mittels azeotroper destillation | |
| CN107522601A (zh) | 一种聚甲氧基二甲醚分离装置及工艺 | |
| CN107074723A (zh) | 用于生产甲基丙烯酸甲酯的减少积垢的方法 | |
| EP2091908B1 (de) | Verfahren zur adsorptiven aufreinigung von methacrylsäurealkylestern | |
| CN106795091B (zh) | 用于生产甲基丙烯酸甲酯的减少积垢的方法 | |
| CN101524653B (zh) | 阴离子交换树脂生产系统及生产工艺 | |
| CN103772185B (zh) | 一种醋酸中水分及杂酸脱除的装置及方法 | |
| DE102006059511A1 (de) | Verfahren zur Herstellung von Acetoncyanhydrin und dessen Folgeprodukten durch gezielte Kühlung | |
| CN101591245A (zh) | 一种丙烯酸正丁酯的生产方法 | |
| DE102006058249A1 (de) | Verfahren zur Herstellung von Cyanhydrinen sowie deren Verwendung bei der Herstellung von Methacrylsäurealkylestern | |
| CN207259411U (zh) | 一种聚甲氧基二甲醚分离装置 | |
| RU2320666C1 (ru) | Способ получения алкоксисиланов | |
| CN101665451A (zh) | 丙烯腈提纯装置 | |
| SU1062242A1 (ru) | Способ очистки древесной смолы | |
| CN105152150A (zh) | 一种催化剂生产母液分离回收工艺 | |
| CN105733677A (zh) | 一种异丙醇尿素脱蜡工艺溶剂回收方法 | |
| PL198659B1 (pl) | Sposób wytwarzania średniocząsteczkowych żywic epoksydowych | |
| CN101239882A (zh) | 一种使用三氯化铝脱除苯中的噻吩的工艺及其生产装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |