KR890006551A - 분리 방법 - Google Patents

분리 방법 Download PDF

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Publication number
KR890006551A
KR890006551A KR1019880013850A KR880013850A KR890006551A KR 890006551 A KR890006551 A KR 890006551A KR 1019880013850 A KR1019880013850 A KR 1019880013850A KR 880013850 A KR880013850 A KR 880013850A KR 890006551 A KR890006551 A KR 890006551A
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KR
South Korea
Prior art keywords
mixture
methyl iodide
distillation zone
acetic acid
methyl
Prior art date
Application number
KR1019880013850A
Other languages
English (en)
Inventor
제프리 걸리버 데이비드
Original Assignee
케이스 워웍 덴바이
비피 케미칼스 리미티드
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 케이스 워웍 덴바이, 비피 케미칼스 리미티드 filed Critical 케이스 워웍 덴바이
Publication of KR890006551A publication Critical patent/KR890006551A/ko

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C19/00—Acyclic saturated compounds containing halogen atoms
    • C07C19/07—Acyclic saturated compounds containing halogen atoms containing iodine
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/38—Separation; Purification; Stabilisation; Use of additives
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/78—Separation; Purification; Stabilisation; Use of additives
    • C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
    • C07C45/82—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
    • C07C45/83—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation by extractive distillation
    • 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
    • C07C67/52—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
    • C07C67/54—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation

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

Abstract

내용 없음

Description

분리 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (5)

  1. (a) 요오드화 메틸과 메틸아세테트의 혼합물을 증류 영역의 1/2인 하단부로 도입시키고, (b) 아세트산을 증류 영역의 1/2인 상단부로 도입시키고, (c) 메틸 아세테이트/요오드화 메틸 공비 혼합물의 요오드화 메틸 함량보다 요오드화 메틸 함량이 더큰 상부 분획을 상부에서 제거하고, (d) 메틸 아세테이트 및 아세트산을 함유한 하부 분획을 증류 영역의 하부에서 제거함을 특징으로 하여 요오드화 메틸 및 아세테이트를 함유하는 혼합물을 분리하는 방법.
  2. 제1항에 있어서, 혼합물이 추가로 아세톤을 함유하고, (a) 요오드화 메틸, 메틸아세테이트와 아세톤의 혼합물을 증류 영역의 1/2인 하단부로 도입시키고, (b) 아세트산을 증류 영역의 1/2인 상단부로 도입시키고, (c) 메틸 아세테이트/요오드화 메틸/아세톤 공비 혼합물의 요오드화 메틸 함량보다 요오드화 메틸 함량이 더 큰 상부 분획을 상부에서 제거하고, (d) 메틸 아세테이트, 아세톤 및 아세트산을 함유한 하부 분획을 증류 영역의 하부에서 제거함을 특징으로 하는 방법.
  3. 제1항 또는 2항에 있어서, 증류 영역이 20 내지 60개의 판을 함유하는 증류 칼럼인 방법.
  4. 제1항 또는 2항에 있어서, 혼합물이 하부로부터 1/3 내지 1/2의 위치에서 증류 영역내로 도입되는 방법.
  5. 제1항 또는 2항에 있어서, 아세트산이 칼럼의 2/3내지 상단의 위치에서 증류 영역내로 도입되는 방법,
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019880013850A 1987-10-24 1988-10-24 분리 방법 KR890006551A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB878724971A GB8724971D0 (en) 1987-10-24 1987-10-24 Separation process
GB8724971 1987-10-24

Publications (1)

Publication Number Publication Date
KR890006551A true KR890006551A (ko) 1989-06-13

Family

ID=10625859

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880013850A KR890006551A (ko) 1987-10-24 1988-10-24 분리 방법

Country Status (7)

Country Link
EP (1) EP0314355A3 (ko)
JP (1) JPH01135732A (ko)
KR (1) KR890006551A (ko)
CN (1) CN1032781A (ko)
AU (1) AU2404788A (ko)
GB (1) GB8724971D0 (ko)
NO (1) NO884693L (ko)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04230018A (ja) * 1990-12-27 1992-08-19 Orc Mfg Co Ltd ホトレジストの光灰化装置
GB9112623D0 (en) * 1991-06-12 1991-07-31 Bp Chem Int Ltd Separation process
US7790919B2 (en) * 2008-03-17 2010-09-07 Lyondell Chemical Technology, L.P. Removing hydrocarbon impurities from acetic acid production process
EP2204357A1 (en) * 2009-01-06 2010-07-07 BP Chemicals Limited Process for removing acetone from a stream comprising acetone, methyl acetate and methyl iodide

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3045081A1 (de) * 1980-11-29 1982-07-01 Basf Ag, 6700 Ludwigshafen Verfahren zur abtrennung organischer jod-verbindung en von acetaldehydfreien carbonylierungsprodukten des methanols, methylacetates und dimethylethers
DE3107731A1 (de) * 1981-02-28 1982-09-16 Basf Ag, 6700 Ludwigshafen Verfahren zur abtrennung organischer jod-verbindungen von carbonylierungsprodukten des methanols, methylacetates und dimethylethers

Also Published As

Publication number Publication date
JPH01135732A (ja) 1989-05-29
NO884693L (no) 1989-04-25
AU2404788A (en) 1989-04-27
EP0314355A3 (en) 1990-12-27
NO884693D0 (no) 1988-10-21
CN1032781A (zh) 1989-05-10
EP0314355A2 (en) 1989-05-03
GB8724971D0 (en) 1987-11-25

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