BE608786A - - Google Patents

Info

Publication number
BE608786A
BE608786A BE608786DA BE608786A BE 608786 A BE608786 A BE 608786A BE 608786D A BE608786D A BE 608786DA BE 608786 A BE608786 A BE 608786A
Authority
BE
Belgium
Prior art keywords
acetic acid
vinyl acetate
acetylene
reaction product
liquid
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE608786A publication Critical patent/BE608786A/fr

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00Preparation of carboxylic acid esters
    • C07C67/04Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides onto unsaturated carbon-to-carbon bonds
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00Preparation of carboxylic acid esters
    • C07C67/48Separation; Purification; Stabilisation; Use of additives
    • C07C67/52Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
    • C07C67/54Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE608786D BE608786A (d)

Publications (1)

Publication Number Publication Date
BE608786A true BE608786A (d)

Family

ID=192995

Family Applications (1)

Application Number Title Priority Date Filing Date
BE608786D BE608786A (d)

Country Status (1)

Country Link
BE (1) BE608786A (d)

Similar Documents

Publication Publication Date Title
JP3712903B2 (ja) グリセリンの製造方法
JP5393713B2 (ja) (メタ)アクリル酸の製造法
JP2007091759A (ja) 相を形成させるような分離処理により、プロペンおよび/またはアクロレインを接触気相酸化させることによって得られた混合物を精製する方法
JP2001199931A (ja) アクリル酸の製造方法
JP2004529129A (ja) (メタ)アクリル酸を連続的に抽出する方法
US4554054A (en) Methacrylic acid separation
JP2001213839A (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
US4147721A (en) Process for recovering methacrylic acid
KR101052710B1 (ko) 기체 기재의 산화에 의해 얻어진 (메트)아크릴산의정제방법
BE608786A (d)
US7253313B2 (en) Method for purifying (meth)acrylic acid by oxidising a gaseous substrate
JPH0138775B2 (d)
US20230103803A1 (en) Process for recovering acrylic acid
JP2001520213A (ja) (メタ)アクリル酸の製造方法
KR20220158837A (ko) 수성 스트림으로부터 메톡시프로판올을 회수하기 위한 방법 및 설비
JPH062700B2 (ja) メタクロレインの分離法
GB2045759A (en) Process for recovering methacrylic acid
JP4651175B2 (ja) メタクリル酸の精製方法およびメタクリル酸メチルの製造方法
JP2025527380A (ja) 高純度(メタ)アクリル酸の製造方法
CN118201901A (zh) 制备高纯度(甲基)丙烯酸的方法
JP2025527379A (ja) 高純度(メタ)アクリル酸の製造方法
JP2020019768A (ja) アクロレインの精製方法
CN116615408A (zh) 从蒸气料流中回收轻沸物和重沸物的方法
JP2025527381A (ja) 高純度(メタ)アクリル酸の製造方法