DE69902137D1 - Verfahren zum Herstellen mit grosser Ausbeute von Methylmethacrylat oder Methacrylsäure - Google Patents

Verfahren zum Herstellen mit grosser Ausbeute von Methylmethacrylat oder Methacrylsäure

Info

Publication number
DE69902137D1
DE69902137D1 DE69902137T DE69902137T DE69902137D1 DE 69902137 D1 DE69902137 D1 DE 69902137D1 DE 69902137 T DE69902137 T DE 69902137T DE 69902137 T DE69902137 T DE 69902137T DE 69902137 D1 DE69902137 D1 DE 69902137D1
Authority
DE
Germany
Prior art keywords
methacrylic acid
methyl methacrylate
high yield
producing
production
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.)
Expired - Lifetime
Application number
DE69902137T
Other languages
English (en)
Other versions
DE69902137T2 (de
Inventor
Chorng-Shyuan Tsay
Makarand Dattatraya Phadke
Michael Stanley Decourcy
Abraham Benderly
I-Hwa Midey Chang-Mateu
Nicole Rendon Koegel
Heather Granzin Thompson
Diana Elaine Chase
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rohm and Haas Co
Original Assignee
Rohm and Haas Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Rohm and Haas Co filed Critical Rohm and Haas Co
Publication of DE69902137D1 publication Critical patent/DE69902137D1/de
Application granted granted Critical
Publication of DE69902137T2 publication Critical patent/DE69902137T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C69/00Esters of carboxylic acids; Esters of carbonic or haloformic acids
    • C07C69/52Esters of acyclic unsaturated carboxylic acids having the esterified carboxyl group bound to an acyclic carbon atom
    • C07C69/533Monocarboxylic acid esters having only one carbon-to-carbon double bond
    • C07C69/54Acrylic acid esters; Methacrylic acid esters
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C231/00Preparation of carboxylic acid amides
    • C07C231/06Preparation of carboxylic acid amides from nitriles by transformation of cyano groups into carboxamide groups
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/02Apparatus characterised by being constructed of material selected for its chemically-resistant properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/24Stationary reactors without moving elements inside
    • B01J19/2415Tubular reactors
    • B01J19/242Tubular reactors in series
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/24Stationary reactors without moving elements inside
    • B01J19/2415Tubular reactors
    • B01J19/243Tubular reactors spirally, concentrically or zigzag wound
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/08Preparation of carboxylic acids or their salts, halides or anhydrides from nitriles
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00Preparation of carboxylic acid esters
    • C07C67/18Preparation of carboxylic acid esters by conversion of a group containing nitrogen into an ester group
    • C07C67/20Preparation of carboxylic acid esters by conversion of a group containing nitrogen into an ester group from amides or lactams
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049Controlling or regulating processes
    • B01J2219/00051Controlling the temperature
    • B01J2219/00074Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00087Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
    • B01J2219/00094Jackets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049Controlling or regulating processes
    • B01J2219/00164Controlling or regulating processes controlling the flow
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/02Apparatus characterised by their chemically-resistant properties
    • B01J2219/025Apparatus characterised by their chemically-resistant properties characterised by the construction materials of the reactor vessel proper
    • B01J2219/0277Metal based
    • B01J2219/029Non-ferrous metals

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)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)
DE69902137T 1998-11-04 1999-10-22 Verfahren zum Herstellen mit grosser Ausbeute von Methylmethacrylat oder Methacrylsäure Expired - Lifetime DE69902137T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10694798P 1998-11-04 1998-11-04

Publications (2)

Publication Number Publication Date
DE69902137D1 true DE69902137D1 (de) 2002-08-22
DE69902137T2 DE69902137T2 (de) 2003-01-30

Family

ID=22314086

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69902137T Expired - Lifetime DE69902137T2 (de) 1998-11-04 1999-10-22 Verfahren zum Herstellen mit grosser Ausbeute von Methylmethacrylat oder Methacrylsäure

Country Status (10)

Country Link
US (2) US6545176B1 (de)
EP (1) EP0999200B1 (de)
JP (2) JP4553425B2 (de)
KR (1) KR100691647B1 (de)
CN (1) CN1173921C (de)
AT (1) ATE220657T1 (de)
BR (1) BR9904993B1 (de)
DE (1) DE69902137T2 (de)
ES (1) ES2179599T3 (de)
TW (1) TW505629B (de)

Families Citing this family (76)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4736165B2 (ja) * 2000-08-23 2011-07-27 住友化学株式会社 トリエチルアミンの回収方法およびエマルジョン層の削減方法
US6906164B2 (en) * 2000-12-07 2005-06-14 Eastman Chemical Company Polyester process using a pipe reactor
FR2827279B1 (fr) * 2001-07-13 2004-06-18 Atofina Procede de preparation de methacrylamide sulfurique et dispositif pour sa mise en oeuvre
ZA200303241B (en) * 2002-05-01 2003-11-04 Rohm & Haas Improved process for methacrylic acid and methcrylic acid ester production.
TWI254648B (en) 2002-05-01 2006-05-11 Rohm & Haas Process for manufacturing high purity methacrylic acid
BRPI0503134B1 (pt) 2004-08-02 2018-03-20 Rohm And Haas Company Método de formação de uma chapa de tubo laminada
US7318851B2 (en) 2004-11-02 2008-01-15 Baldwin Filters, Inc. Filter element
US20060091084A1 (en) * 2004-11-02 2006-05-04 Baldwin Filters, Inc. Fluted filter media with intermediate flow restriction and method of making same
US20110197556A1 (en) 2004-11-02 2011-08-18 Baldwin Filters, Inc. Filter element
US7931725B2 (en) 2004-11-02 2011-04-26 Baldwin Filters, Inc. Fluted filter apparatus
US8042694B2 (en) * 2004-11-02 2011-10-25 Baldwin Filters, Inc. Gathered filter media for an air filter and method of making same
US20060090431A1 (en) * 2004-11-02 2006-05-04 Baldwin Filters, Inc. Filter assembly with combination filter element
US7909954B2 (en) 2004-11-03 2011-03-22 Baldwin Filters, Inc. Method and apparatus for winding a filter media pack
US7255300B2 (en) 2004-11-03 2007-08-14 Baldwin Filters, Inc. Method and apparatus for winding a filter media pack
US7753982B2 (en) * 2006-02-17 2010-07-13 Baldwin Filters, Inc. Filter with drained jacket, seal indicator/lock means, and seal baffle
US10040020B2 (en) 2006-12-06 2018-08-07 Baldwin Filters, Inc. Fluid filter apparatus having filter media wound about a winding frame
US9757676B2 (en) 2006-12-06 2017-09-12 Baldwin Filters, Inc. Method and apparatus for winding a filter element
US7649109B2 (en) 2006-12-07 2010-01-19 Eastman Chemical Company Polyester production system employing recirculation of hot alcohol to esterification zone
US7943094B2 (en) 2006-12-07 2011-05-17 Grupo Petrotemex, S.A. De C.V. Polyester production system employing horizontally elongated esterification vessel
DE102006058251A1 (de) * 2006-12-08 2008-06-12 Evonik Röhm Gmbh Verfahren und Vorrichtung zur Herstellung von Methacrylsäurealkylestern
US7863477B2 (en) 2007-03-08 2011-01-04 Eastman Chemical Company Polyester production system employing hot paste to esterification zone
US7892498B2 (en) * 2007-03-08 2011-02-22 Eastman Chemical Company Polyester production system employing an unagitated esterification reactor
US7868129B2 (en) * 2007-07-12 2011-01-11 Eastman Chemical Company Sloped tubular reactor with spaced sequential trays
US7829653B2 (en) * 2007-07-12 2010-11-09 Eastman Chemical Company Horizontal trayed reactor
US7872089B2 (en) * 2007-07-12 2011-01-18 Eastman Chemical Company Multi-level tubular reactor with internal tray
US7858730B2 (en) * 2007-07-12 2010-12-28 Eastman Chemical Company Multi-level tubular reactor with dual headers
US7872090B2 (en) * 2007-07-12 2011-01-18 Eastman Chemical Company Reactor system with optimized heating and phase separation
US7868130B2 (en) * 2007-07-12 2011-01-11 Eastman Chemical Company Multi-level tubular reactor with vertically spaced segments
US7847053B2 (en) * 2007-07-12 2010-12-07 Eastman Chemical Company Multi-level tubular reactor with oppositely extending segments
US7842777B2 (en) * 2007-07-12 2010-11-30 Eastman Chemical Company Sloped tubular reactor with divided flow
US9545593B2 (en) 2007-11-01 2017-01-17 Baldwin Filters, Inc. Winding core pressure relief for fluted filter
EP2085376B1 (de) 2008-01-30 2012-09-05 Evonik Röhm GmbH Verfahren zur Herstellung hochreiner Methacrylsäure
DE102008000787A1 (de) * 2008-03-20 2009-09-24 Evonik Röhm Gmbh Verfahren zur Aufreinigung von Methacrylsäure
DE102008000785A1 (de) * 2008-03-20 2009-09-24 Evonik Röhm Gmbh Verfahren zur Herstellung von Methacrylsäure
US8048187B2 (en) 2008-06-30 2011-11-01 Baldwin Filters, Inc. Filter frame attachment and fluted filter having same
US7959703B2 (en) 2008-06-30 2011-06-14 Baldwin Filters, Inc. Fluted filter with integrated frame
BRPI0914033A2 (pt) * 2008-10-13 2015-11-03 Dow Global Technologies Inc processo de uma etapa para a produção de de propenos clorados e fluorados e processo para preparar 2,3,3,3- tetrafluorprop-1 eno( 1,3,3,3- tetrafluorprop-1 eno (hfo-123ze)
JP5432852B2 (ja) * 2009-09-30 2014-03-05 ローム アンド ハース カンパニー メタクリル酸メチルの精製によって生じる流れから価値のある化合物を回収する方法
EP2485833A2 (de) * 2009-10-09 2012-08-15 Dow Global Technologies LLC Adiabatische pfropfenströmungsreaktoren und verfahren zur herstellung eines chlorierten und/oder fluorierten propens und höheren alkens
EP2485832B1 (de) 2009-10-09 2016-11-23 Blue Cube IP LLC Verfahren zur herstellung eines chlorierten und/oder fluorierten propens in einem isothermischen multiröhrenreaktoren
CN102574755B (zh) * 2009-10-09 2015-11-25 陶氏环球技术有限责任公司 用于生产氯化和/或氟化丙烯的方法
EP2485997B1 (de) 2009-10-09 2015-09-09 Dow Global Technologies LLC Verfahren zur herstellung von chlorierten und/oder fluorierten probenen und höheren alkenen
KR101174203B1 (ko) 2010-04-09 2012-08-14 박병진 폐인조 대리석으로부터 메타크릴산메틸을 회수하는 장치 및 그 방법
WO2012047883A1 (en) * 2010-10-07 2012-04-12 Rohm And Haas Company Process for production of methacrylic acid ester
US9056808B2 (en) 2011-05-31 2015-06-16 Dow Global Technologies, Llc Process for the production of chlorinated propenes
US8907149B2 (en) 2011-05-31 2014-12-09 Dow Global Technologies Llc Process for the production of chlorinated propenes
AU2012268669B2 (en) 2011-06-08 2017-06-08 Dow Global Technologies Llc Process for the production of chlorinated and/or fluorinated propenes
US9475739B2 (en) 2011-08-07 2016-10-25 Blue Cube Ip Llc Process for the production of chlorinated propenes
EP3366661A1 (de) 2011-08-07 2018-08-29 Blue Cube IP LLC Verfahren zur herstellung chlorierter propene
US9067855B2 (en) 2011-11-21 2015-06-30 Dow Global Technologies Llc Process for the production of chlorinated alkanes
EP2785671B1 (de) 2011-12-02 2017-03-01 Blue Cube IP LLC Verfahren zur herstellung von chlorierten propanen
US9199899B2 (en) 2011-12-02 2015-12-01 Blue Cube Ip Llc Process for the production of chlorinated alkanes
JP6170068B2 (ja) 2011-12-13 2017-07-26 ブルー キューブ アイピー エルエルシー 塩素化プロパン及びプロペンの製造方法
CN110128239A (zh) 2011-12-22 2019-08-16 蓝立方知识产权有限责任公司 生产四氯甲烷的方法
CN104159874B (zh) 2011-12-23 2016-08-24 陶氏环球技术有限责任公司 生产链烯和/或芳族化合物的方法
AU2013293139B2 (en) 2012-07-25 2017-11-30 Baldwin Filters, Inc. Filter housing, fluted filter and safety filter
CA2884435A1 (en) 2012-09-20 2014-03-27 Dow Global Technologies Llc Process for the production of chlorinated propenes
EP2897930A1 (de) 2012-09-20 2015-07-29 Dow Global Technologies LLC Verfahren zur herstellung von chlorierten propenen
JP6088058B2 (ja) * 2012-09-28 2017-03-01 ローム アンド ハース カンパニーRohm And Haas Company アセトンシアノヒドリンおよび硫酸からmmaおよび/またはmaaを生成するプロセス
IN2015DN03119A (de) 2012-09-30 2015-10-02 Dow Global Technologies Llc
WO2014066083A1 (en) 2012-10-26 2014-05-01 Dow Global Technologies, Llc Mixer and reactor and process incorporating the same
CA2893841C (en) 2012-12-18 2018-07-24 Dow Global Technologies Llc Process for the production of chlorinated propenes
CN104918904B (zh) 2012-12-19 2017-10-31 蓝立方知识产权有限责任公司 用于生产氯化丙烯的方法
CA2901450A1 (en) 2013-02-27 2014-09-04 Blue Cube Ip Llc Process for the production of chlorinated propenes
CN105026348A (zh) 2013-03-09 2015-11-04 蓝立方知识产权有限责任公司 用于生产氯化烷烃的方法
CN103254091B (zh) * 2013-05-21 2015-04-08 重庆紫光化工股份有限公司 一种甲基丙烯酰胺、甲基丙烯酸甲酯和甲基丙烯酸的联合生产方法
FR3008692B1 (fr) * 2013-07-19 2016-12-23 Arkema France Installation et procede pour la preparation de cyanure d'hydrogene
FR3008627B1 (fr) 2013-07-19 2017-02-24 Arkema France Cuve de conversion thermique utilisee dans un procede d'amidification de cyanohydrine d'acetone
FR3012143B1 (fr) * 2013-10-18 2016-08-26 Arkema France Cuve d'hydrolyse dans un procede d'amidification de cyanohydrine d'acetone
US9932291B2 (en) * 2014-10-27 2018-04-03 Rohm And Haas Company Reduced fouling process for the production of methyl methacrylate
JP6740220B2 (ja) * 2014-10-27 2020-08-12 ローム アンド ハース カンパニーRohm And Haas Company 汚染が減少したメタクリル酸メチルの製造方法
US10682597B2 (en) 2016-04-14 2020-06-16 Baldwin Filters, Inc. Filter system
CN110394143B (zh) * 2019-08-21 2024-06-07 兖矿能源集团股份有限公司 一种煤消解管式反应装置
JP2023550265A (ja) 2020-10-23 2023-12-01 レーム・ゲーエムベーハー 転化時の逆混合の低減によるメチルメタクリレートおよび/またはメタクリル酸の改良された製造方法
CN113121343A (zh) * 2021-03-15 2021-07-16 江苏新东风化工科技有限公司 一种丙烯酸正丁酯的中和生产工艺
WO2023169863A1 (en) 2022-03-08 2023-09-14 Röhm Gmbh Process for preparing high purity (meth)acrylates

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2416756A (en) * 1941-10-23 1947-03-04 Du Pont Continuous production of esters of methacrylic acid
US2373464A (en) * 1942-05-22 1945-04-10 Du Pont Process for inhibiting polymerization
US2786739A (en) * 1954-05-10 1957-03-26 Allied Chem & Dye Corp Continuous process for the production of methacrylic acid esters and ammonium sulphate
US3027328A (en) * 1958-12-09 1962-03-27 Degussa Process for the preparation of acetonecyanohydrin/sulfuric acid mixtures
JPS49135917A (de) * 1973-05-15 1974-12-27
PL84285B1 (de) * 1973-07-12 1976-03-31
JPS5767534A (en) * 1980-10-16 1982-04-24 Mitsui Toatsu Chem Inc Preparation of alpha,beta-unsaturated carboxylic ester and alpha,beta-unsaturated carboxylic acid
US4529816A (en) * 1984-02-13 1985-07-16 E. I. Du Pont De Nemours And Company Process for producing alkyl methacrylates
JPS61261391A (ja) * 1985-05-13 1986-11-19 東洋エンジニアリング株式会社 熱分解改質油の製法
US4748268A (en) 1986-07-31 1988-05-31 Amoco Corporation Continuous process for production of methacrylic acid ester of C1 to C4 aliphatic alcohol
JP2778131B2 (ja) * 1989-07-14 1998-07-23 三菱瓦斯化学株式会社 メタクリル酸メチルの製造方法
US5393918A (en) 1993-12-02 1995-02-28 Rohm And Haas Company High yield process for the production of methacrylic acid esters
JPH0853393A (ja) * 1994-06-06 1996-02-27 Mitsui Toatsu Chem Inc メタクリル酸メチルの連続製造方法
KR960000850A (ko) * 1994-06-06 1996-01-25 사토 아키오 메타크릴산메틸의 연속제조방법

Also Published As

Publication number Publication date
KR20000035177A (ko) 2000-06-26
US6610177B2 (en) 2003-08-26
JP5213901B2 (ja) 2013-06-19
BR9904993B1 (pt) 2011-02-08
CN1173921C (zh) 2004-11-03
DE69902137T2 (de) 2003-01-30
CN1254706A (zh) 2000-05-31
EP0999200B1 (de) 2002-07-17
JP4553425B2 (ja) 2010-09-29
US6545176B1 (en) 2003-04-08
TW505629B (en) 2002-10-11
JP2000159728A (ja) 2000-06-13
KR100691647B1 (ko) 2007-03-09
BR9904993A (pt) 2000-08-08
JP2010209087A (ja) 2010-09-24
ES2179599T3 (es) 2003-01-16
ATE220657T1 (de) 2002-08-15
US20020188153A1 (en) 2002-12-12
EP0999200A1 (de) 2000-05-10

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