CA2267887C - Removal of permanganate reducing compounds and alkyl iodides from a carbonylation process stream - Google Patents

Removal of permanganate reducing compounds and alkyl iodides from a carbonylation process stream Download PDF

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Publication number
CA2267887C
CA2267887C CA002267887A CA2267887A CA2267887C CA 2267887 C CA2267887 C CA 2267887C CA 002267887 A CA002267887 A CA 002267887A CA 2267887 A CA2267887 A CA 2267887A CA 2267887 C CA2267887 C CA 2267887C
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Canada
Prior art keywords
iodide
stream
acetic acid
acetaldehyde
phase
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Expired - Fee Related
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CA002267887A
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English (en)
French (fr)
Other versions
CA2267887A1 (en
Inventor
Madan Singh
George A. Blay
Michael L. Karnilaw
Melchior A. Meilchen
Wayne D. Picard
Valerie Santillan
Mark O. Scates
Robin S. Tanke
G. Paull Torrence
Richard F. Vogel, Jr.
R. Jay Warner
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Celanese International Corp
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Celanese International Corp
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Publication of CA2267887A1 publication Critical patent/CA2267887A1/en
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Publication of CA2267887C publication Critical patent/CA2267887C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
    • C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/10—Preparation of carboxylic acids or their salts, halides or anhydrides by reaction with carbon monoxide
    • C07C51/12—Preparation of carboxylic acids or their salts, halides or anhydrides by reaction with carbon monoxide on an oxygen-containing group in organic compounds, e.g. alcohols
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
CA002267887A 1996-10-18 1997-10-17 Removal of permanganate reducing compounds and alkyl iodides from a carbonylation process stream Expired - Fee Related CA2267887C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US73536196A 1996-10-18 1996-10-18
US08/735,361 1996-10-18
PCT/US1997/018711 WO1998017619A2 (en) 1996-10-18 1997-10-17 Removal of permanganate reducing compounds and alkyl iodides from a carbonylation process stream

Publications (2)

Publication Number Publication Date
CA2267887A1 CA2267887A1 (en) 1998-04-30
CA2267887C true CA2267887C (en) 2007-01-09

Family

ID=24955437

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CA002267887A Expired - Fee Related CA2267887C (en) 1996-10-18 1997-10-17 Removal of permanganate reducing compounds and alkyl iodides from a carbonylation process stream

Country Status (27)

Country Link
US (1) US6143930A (forum.php)
EP (1) EP0934243B1 (forum.php)
JP (2) JP4681088B2 (forum.php)
KR (1) KR100495554B1 (forum.php)
CN (2) CN1187305C (forum.php)
AR (1) AR008670A1 (forum.php)
AT (1) ATE247620T1 (forum.php)
AU (1) AU730800B2 (forum.php)
BR (1) BR9712325C1 (forum.php)
CA (1) CA2267887C (forum.php)
CZ (1) CZ299598B6 (forum.php)
DE (1) DE69724266T2 (forum.php)
DK (1) DK0934243T3 (forum.php)
ES (1) ES2205197T3 (forum.php)
HU (1) HUP0000457A3 (forum.php)
ID (1) ID21867A (forum.php)
IN (1) IN192600B (forum.php)
MY (1) MY124684A (forum.php)
NZ (1) NZ334936A (forum.php)
PL (1) PL189501B1 (forum.php)
RS (1) RS49538B (forum.php)
RU (1) RU2181715C2 (forum.php)
SA (1) SA97180510B1 (forum.php)
TW (1) TW430647B (forum.php)
UA (1) UA64723C2 (forum.php)
WO (1) WO1998017619A2 (forum.php)
ZA (1) ZA979228B (forum.php)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107690425A (zh) * 2015-02-04 2018-02-13 国际人造丝公司 控制残液流中hi浓度的方法

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