FI106196B - Menetelmä metyylimetakrylaattimonomeerin valmistamiseksi asetosyaanihydriinistä - Google Patents

Menetelmä metyylimetakrylaattimonomeerin valmistamiseksi asetosyaanihydriinistä Download PDF

Info

Publication number
FI106196B
FI106196B FI931108A FI931108A FI106196B FI 106196 B FI106196 B FI 106196B FI 931108 A FI931108 A FI 931108A FI 931108 A FI931108 A FI 931108A FI 106196 B FI106196 B FI 106196B
Authority
FI
Finland
Prior art keywords
process according
purification
amount
ammonia
methyl methacrylate
Prior art date
Application number
FI931108A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI931108L (fi
FI931108A0 (fi
Inventor
Alessandro Fabris
Dario Giudici
Original Assignee
Atochem Elf Italia
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 Atochem Elf Italia filed Critical Atochem Elf Italia
Publication of FI931108A0 publication Critical patent/FI931108A0/fi
Publication of FI931108L publication Critical patent/FI931108L/fi
Application granted granted Critical
Publication of FI106196B publication Critical patent/FI106196B/fi

Links

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
    • C07C67/22—Preparation of carboxylic acid esters by conversion of a group containing nitrogen into an ester group from nitriles
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FI931108A 1992-03-16 1993-03-12 Menetelmä metyylimetakrylaattimonomeerin valmistamiseksi asetosyaanihydriinistä FI106196B (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI920602A IT1257282B (it) 1992-03-16 1992-03-16 Processo migliorato per la produzione di metilmetacrilato monomero da acetoncianidrina
ITMI920602 1992-03-16

Publications (3)

Publication Number Publication Date
FI931108A0 FI931108A0 (fi) 1993-03-12
FI931108L FI931108L (fi) 1993-09-17
FI106196B true FI106196B (fi) 2000-12-15

Family

ID=11362440

Family Applications (1)

Application Number Title Priority Date Filing Date
FI931108A FI106196B (fi) 1992-03-16 1993-03-12 Menetelmä metyylimetakrylaattimonomeerin valmistamiseksi asetosyaanihydriinistä

Country Status (7)

Country Link
EP (1) EP0561264B1 (fr)
AT (1) ATE141253T1 (fr)
DE (1) DE69303950T2 (fr)
ES (1) ES2093298T3 (fr)
FI (1) FI106196B (fr)
IT (1) IT1257282B (fr)
NO (1) NO179511C (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19803658A1 (de) * 1998-01-30 1999-08-05 Basf Ag Verwendung von anionischen Flockungsmitteln bei der organisch-wässrigen Phasentrennung
DE102006058250A1 (de) * 2006-12-08 2008-06-12 Evonik Röhm Gmbh Integriertes Verfahren und Vorrichtung zur Herstellung von Methacrylsäureestern aus Aceton und Blausäure
DE102006058251A1 (de) * 2006-12-08 2008-06-12 Evonik Röhm Gmbh Verfahren und Vorrichtung zur Herstellung von Methacrylsäurealkylestern
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
EP2635549B1 (fr) * 2010-11-04 2017-03-15 Rohm and Haas Company Procédé de production de méthacrylate de méthyle ayant une teneur en biacétyle réduite
EP3212604B1 (fr) 2014-10-27 2020-11-25 Rohm and Haas Company Procédé pour la production de méthacrylate de méthyle avec réduction d'encrassement
EP3212603B1 (fr) * 2014-10-27 2020-11-25 Rohm and Haas Company Procédé à encrassement réduit pour la production de méthacrylate de méthyle
GB201704729D0 (en) 2017-03-24 2017-05-10 Lucite Int Uk Ltd Method of producing methyl methacrylate or methacrylic acid

Also Published As

Publication number Publication date
FI931108L (fi) 1993-09-17
NO179511C (no) 1996-10-23
NO179511B (no) 1996-07-15
ES2093298T3 (es) 1996-12-16
EP0561264A3 (en) 1993-10-20
DE69303950D1 (de) 1996-09-19
NO930900D0 (no) 1993-03-11
IT1257282B (it) 1996-01-12
ATE141253T1 (de) 1996-08-15
FI931108A0 (fi) 1993-03-12
ITMI920602A1 (it) 1993-09-16
NO930900L (no) 1993-09-17
DE69303950T2 (de) 1997-02-27
EP0561264B1 (fr) 1996-08-14
ITMI920602A0 (it) 1992-03-16
EP0561264A2 (fr) 1993-09-22

Similar Documents

Publication Publication Date Title
EP3634597B1 (fr) Processus et systèmes pour la récupération de l'acide méthane-sulfonique sous forme purifiée
KR100278059B1 (ko) 아크릴산 에스테르 또는 메타아크릴산 에스테르의 제조방법
EP2603461B1 (fr) Procédé d'épuration des eaux résiduaires issues du traitement de composés nitroaromatiques bruts
JP2002507194A (ja) アクリル酸ブチルの精製方法
KR20080063349A (ko) 아세트산 탈수 시스템 및 방법
US6281374B1 (en) Fluorinated alkanoic acid purification process
WO2015018996A1 (fr) Procede de preparation de peroxydes organiques
AU717705B2 (en) Method for the isolation of 2-hydroxy-4-methylthiobutyric acid (MHA)
JP4901883B2 (ja) ニトロ化用の酸でトルエンをニトロ化してジニトロトルエンを製造する工程からでるプロセス排水中のジニトロトルエンを蒸留的に除去する方法
EP0561264B1 (fr) Procédé de production du méthacrylate de méthyle monomère à partir de la cyanhydrine d'acétone
WO2009080875A2 (fr) Récupération de composés organiques à partir d'un flux d'eaux usées
KR100473661B1 (ko) 2-에틸헥실 아크릴레이트의 개량 제조 방법
JP2014162767A (ja) (メタ)アクリル酸エステルの製造方法
EP3233724B1 (fr) Récupération d'acide à partir de solutions riches en acide
JP7663521B2 (ja) アニリンの精製方法
US4720577A (en) Process for the extraction of carboxylic acids from dilute aqueous solutions
JP6094258B2 (ja) (メタ)アクリル酸エステルの製造方法
JPH10182580A (ja) 改質された2−シアノアクリレートの製造方法
WO2009091491A1 (fr) Procédé de récupération d'un catalyseur acide sulfonique et de produits nobles à partir de fractions lourdes d'acrylate
CN114436883B (zh) 一种从多元溶液体系中回收n,n-二甲基乙酰胺的方法
FI78288B (fi) Foerfarande foer soenderdelning av ett komplex av ortobensoylbensoesyra, fluorvaete och bortrifluorid.
US20130041188A1 (en) Process for purifying wastewaters from the workup of crude aromatic nitro compounds
SU1544761A1 (ru) Способ выделени сернокислотного катализатора из реакционной массы разложени гидроперекиси изопропилбензола
KR20220052985A (ko) 산화 처리를 통한 폐수 중 포름알데히드의 제거
JPS6348247A (ja) ニトロヒドロキシ芳香族化合物を水溶液から抽出する方法

Legal Events

Date Code Title Description
MA Patent expired