BE542676A - - Google Patents

Info

Publication number
BE542676A
BE542676A BE542676DA BE542676A BE 542676 A BE542676 A BE 542676A BE 542676D A BE542676D A BE 542676DA BE 542676 A BE542676 A BE 542676A
Authority
BE
Belgium
Prior art keywords
water
ester
extraction
methanol
methyl acetate
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE542676A publication Critical patent/BE542676A/fr

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/74Separation; Purification; Use of additives, e.g. for stabilisation
    • C07C29/76Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
    • C07C29/86Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by liquid-liquid treatment
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/74Separation; Purification; Use of additives, e.g. for stabilisation
    • C07C29/76Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
    • C07C29/80Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by distillation
    • C07C29/82Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by distillation by azeotropic distillation
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00Preparation of carboxylic acid esters
    • C07C67/48Separation; Purification; Stabilisation; Use of additives
    • C07C67/58Separation; 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)
BE542676D BE542676A (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
BE542676A true BE542676A (enrdf_load_stackoverflow)

Family

ID=171261

Family Applications (1)

Application Number Title Priority Date Filing Date
BE542676D BE542676A (enrdf_load_stackoverflow)

Country Status (1)

Country Link
BE (1) BE542676A (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
EP0047204B1 (fr) Procédé de production d'alcools deshydratés utilisables comme composants d'un carburant pour moteur
JPH0559764B2 (enrdf_load_stackoverflow)
CZ43697A3 (en) Purification of acrylic and methacrylic acids
FR2913683A1 (fr) Produit brut a base de glycerol, procede pour sa purification et son utilisation dans la fabrication de dichloropropanol
DE2104506B2 (enrdf_load_stackoverflow)
KR100591625B1 (ko) 포름 알데히드 함유 혼합물의 처리
JP3684197B2 (ja) 主成分の酢酸およびギ酸からなる水性混合物を分離および精製するための方法
JP3769505B2 (ja) 主成分の酢酸およびギ酸からなる水性混合物を分離および精製するための方法
EP0021952B1 (fr) Procédé pour la préparation de l'alcool périllique et de ses dérivés
BE542676A (enrdf_load_stackoverflow)
FR2855171A1 (fr) Procede de separation d'un diacetal du glyoxal d'un melange brut le contenant par extraction liquide-liquide a contre-courant
FR2543155A1 (fr) Procede de fabrication d'aromes purs a partir d'huiles essentielles et aromes obtenus
EP0026533B1 (fr) Procédé pour la récupération d'acides carboxyliques à partir de mélanges contenant des esters de glycols dérivés de ces acides
JPH01254643A (ja) 連続カラム内共沸蒸留によるグリオキシル酸アルキルエステルの精製
BE453928A (enrdf_load_stackoverflow)
CH468325A (fr) Procédé pour la séparation d'alcools et d'esters de solutions aqueuses les contenant
US1982989A (en) Production of water-free alcoholic liquid mixtures
CH137207A (fr) Procédé d'obtention de l'acide acétique anhydre à partir d'acide dilué.
JP2007063153A (ja) 芳香族カルボン酸の製造工程における酢酸回収方法
JPS6215542B2 (enrdf_load_stackoverflow)
BE353792A (enrdf_load_stackoverflow)
BE503911A (enrdf_load_stackoverflow)
BE622715A (fr) Procédé pour la séparation de l'acrylate de n-butyle à partir de mélanges
CH237968A (fr) Procédé pour l'obtention des acides aliphatiques anhydres à partir de leurs solutions aqueuses.
BE571889A (enrdf_load_stackoverflow)