ATE449055T1 - Entfernung permanganatreduzierender verunreinigungen aus essigsäure - Google Patents

Entfernung permanganatreduzierender verunreinigungen aus essigsäure

Info

Publication number
ATE449055T1
ATE449055T1 AT07755451T AT07755451T ATE449055T1 AT E449055 T1 ATE449055 T1 AT E449055T1 AT 07755451 T AT07755451 T AT 07755451T AT 07755451 T AT07755451 T AT 07755451T AT E449055 T1 ATE449055 T1 AT E449055T1
Authority
AT
Austria
Prior art keywords
acetic acid
reducing impurities
removal
permanganate
permanganate reducing
Prior art date
Application number
AT07755451T
Other languages
English (en)
Inventor
Wei Wang
Shao-Hua Guo
Original Assignee
Lyondell Chemical Tech Lp
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 Lyondell Chemical Tech Lp filed Critical Lyondell Chemical Tech Lp
Application granted granted Critical
Publication of ATE449055T1 publication Critical patent/ATE449055T1/de

Links

Classifications

    • 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
    • C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Peptides Or Proteins (AREA)
AT07755451T 2006-08-04 2007-04-16 Entfernung permanganatreduzierender verunreinigungen aus essigsäure ATE449055T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/499,551 US7208625B1 (en) 2006-08-04 2006-08-04 Removing permanganate-reducing impurities from acetic acid
PCT/US2007/009193 WO2008016400A1 (en) 2006-08-04 2007-04-16 Removing permanganate-reducing impurities from acetic acid

Publications (1)

Publication Number Publication Date
ATE449055T1 true ATE449055T1 (de) 2009-12-15

Family

ID=37950774

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07755451T ATE449055T1 (de) 2006-08-04 2007-04-16 Entfernung permanganatreduzierender verunreinigungen aus essigsäure

Country Status (7)

Country Link
US (1) US7208625B1 (de)
EP (1) EP2046712B1 (de)
CN (1) CN101500979B (de)
AT (1) ATE449055T1 (de)
BR (1) BRPI0715083B1 (de)
DE (1) DE602007003378D1 (de)
WO (1) WO2008016400A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7345197B1 (en) 2007-06-05 2008-03-18 Lyondell Chemical Technology, L.P. Preparation of acetic acid
US7390919B1 (en) 2007-10-01 2008-06-24 Lyondell Chemical Technology, L.P. Methyl acetate purification and carbonylation
US8076508B2 (en) * 2008-12-08 2011-12-13 Lyondell Chemical Technology Preparation of acetic acid
US8114671B2 (en) * 2009-10-30 2012-02-14 Lyondell Chemical Technology, L.P. Method for quantifying permanganate-reducing compounds
US8293534B2 (en) * 2009-10-30 2012-10-23 Lyondell Chemical Technology, L.P. Method for quantifying permanganate-reducing compounds
US8889904B2 (en) 2010-05-18 2014-11-18 Celanese International Corporation Processes for producing acetic acid
US8431740B2 (en) 2010-07-21 2013-04-30 Equistar Chemicals, Lp Controlling decanter phase separation of acetic acid production process
CN102675081B (zh) * 2012-05-23 2014-03-26 苏州晶瑞化学有限公司 一种高纯乙酸的制备方法
EP3555036A1 (de) * 2016-12-19 2019-10-23 SABIC Global Technologies B.V. Verfahren zur reinigung von essigsäure

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3769329A (en) 1970-03-12 1973-10-30 Monsanto Co Production of carboxylic acids and esters
JPH0635418B2 (ja) * 1984-08-27 1994-05-11 ダイセル化学工業株式会社 酢酸の精製方法
DE3612504A1 (de) * 1985-09-30 1987-04-09 Hoechst Ag Verfahren zur abtrennung von jod und dessen verbindungen aus den bei der carbbonylierung von dimethylether, methylacetat oder methanol erhaltenden carbonylierungsprodukten
US5155265A (en) 1987-12-23 1992-10-13 Hoechst Celanese Corporation Purification of acetic acid with ozone followed by treatment with activated carbon and/or an ion-exchange resin
US5155266A (en) 1987-12-23 1992-10-13 Hoechst Celanese Corporation Purification of acetic acid with ozone in the presence of an oxidation catalyst
US5202481A (en) 1987-12-23 1993-04-13 Hoechst Celanese Corporation Purification of acetic acid produced by the low water carbonylation of methanol by treatment with ozone
GB9100216D0 (en) * 1991-01-05 1991-02-20 Bp Chem Int Ltd Process
AU639630B2 (en) 1991-01-28 1993-07-29 Celanese International Corporation Removal of carbonyl impurities from carbonylation process stream
JP3220234B2 (ja) * 1992-07-07 2001-10-22 ダイセル化学工業株式会社 オゾンによる無水酢酸または無水酢酸および酢酸の混合物の精製法
US5625095A (en) 1994-06-15 1997-04-29 Daicel Chemical Industries, Ltd. Process for producing high purity acetic acid
US5783731A (en) 1995-09-11 1998-07-21 Hoechst Celanese Corporation Removal of carbonyl impurities from a carbonylation process stream
US5817869A (en) 1995-10-03 1998-10-06 Quantum Chemical Corporation Use of pentavalent Group VA oxides in acetic acid processing
DE19610881B4 (de) 1995-12-07 2008-01-10 Limo Patentverwaltung Gmbh & Co. Kg Mikrosystembaustein
IN192600B (de) 1996-10-18 2004-05-08 Hoechst Celanese Corp
US6339171B1 (en) 1996-10-18 2002-01-15 Celanese International Corporation Removal or reduction of permanganate reducing compounds and alkyl iodides from a carbonylation process stream
ES2178351T3 (es) 1998-04-25 2002-12-16 Bp Chem Int Ltd Procedimiento de purificac6on.
US6323364B1 (en) 1999-08-31 2001-11-27 Celanese International Corporation Rhodium/inorganic iodide catalyst system for methanol carbonylation process with improved impurity profile
US6667418B2 (en) * 2002-04-16 2003-12-23 Celanese International Corporation Oxidation treatment of a recycle stream in production of acetic acid by methanol carbonylation

Also Published As

Publication number Publication date
DE602007003378D1 (de) 2009-12-31
BRPI0715083B1 (pt) 2016-12-06
CN101500979A (zh) 2009-08-05
EP2046712A1 (de) 2009-04-15
EP2046712B1 (de) 2009-11-18
US7208625B1 (en) 2007-04-24
CN101500979B (zh) 2012-12-12
WO2008016400A1 (en) 2008-02-07
BRPI0715083A2 (pt) 2012-12-25

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Legal Events

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