TR200100436T2 - Metil asetat ve tortusal asetik asidin yeniden kazanılması yöntemi - Google Patents

Metil asetat ve tortusal asetik asidin yeniden kazanılması yöntemi

Info

Publication number
TR200100436T2
TR200100436T2 TR2001/00436T TR200100436T TR200100436T2 TR 200100436 T2 TR200100436 T2 TR 200100436T2 TR 2001/00436 T TR2001/00436 T TR 2001/00436T TR 200100436 T TR200100436 T TR 200100436T TR 200100436 T2 TR200100436 T2 TR 200100436T2
Authority
TR
Turkey
Prior art keywords
acetic acid
methyl acetate
residual acetic
recycling methyl
recycling
Prior art date
Application number
TR2001/00436T
Other languages
English (en)
Inventor
Dav�D Parten William
Original Assignee
E.I. Du Pont De Nemours And Company
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
Priority claimed from US09/257,275 external-priority patent/US6150553A/en
Application filed by E.I. Du Pont De Nemours And Company filed Critical E.I. Du Pont De Nemours And Company
Publication of TR200100436T2 publication Critical patent/TR200100436T2/tr

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
    • C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
    • C07C51/255—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting
    • C07C51/265—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting having alkyl side chains which are oxidised to carboxyl groups
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
  • Luminescent Compositions (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)

Abstract

Bir birinci oksidasyon asamasina ve bir ikinci saflastirma asamasina sahip, iki asamali saf tereftalik asit üretme isleminde metil asetatin ve tortusal asetik asidin yeniden elde edilmesi için bir yöntem.
TR2001/00436T 1998-08-11 1999-07-26 Metil asetat ve tortusal asetik asidin yeniden kazanılması yöntemi TR200100436T2 (tr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13229798A 1998-08-11 1998-08-11
US09/257,275 US6150553A (en) 1998-08-11 1999-02-24 Method for recovering methyl acetate and residual acetic acid in the production acid of pure terephthalic acid

Publications (1)

Publication Number Publication Date
TR200100436T2 true TR200100436T2 (tr) 2001-06-21

Family

ID=26830244

Family Applications (1)

Application Number Title Priority Date Filing Date
TR2001/00436T TR200100436T2 (tr) 1998-08-11 1999-07-26 Metil asetat ve tortusal asetik asidin yeniden kazanılması yöntemi

Country Status (14)

Country Link
EP (1) EP1104396B1 (tr)
JP (1) JP4246393B2 (tr)
CN (1) CN1135215C (tr)
AT (1) ATE225763T1 (tr)
BR (1) BR9914302A (tr)
CA (1) CA2337502C (tr)
DE (1) DE69903450T2 (tr)
DZ (1) DZ2868A1 (tr)
EG (1) EG21657A (tr)
ES (1) ES2182553T3 (tr)
ID (1) ID27786A (tr)
TR (1) TR200100436T2 (tr)
TW (1) TW483886B (tr)
WO (1) WO2000009468A1 (tr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6143926A (en) * 1999-09-21 2000-11-07 E. I. Du Pont De Nemours And Company Process for producing pure terephthalic acid with improved recovery of precursors, solvent and methyl acetate
WO2002068375A1 (fr) * 2001-02-27 2002-09-06 Mitsubishi Chemical Corporation Procede de distillation azeotropique
ITMI20021423A1 (it) * 2002-06-27 2003-12-29 Eurotecnica Dev & Licensing S Processo per la separazione dell'acqua prodotta nella ossidazione catalitica di idrocarburi aromatici ad acidi aromatici policarbossilici
CN1300088C (zh) * 2005-03-25 2007-02-14 扬子石油化工股份有限公司 一种回收芳香族羧酸生产过程中原料、溶剂和副产物的方法
CN100519503C (zh) * 2005-08-31 2009-07-29 株式会社日立工业设备技术 在芳香族羧酸的制备工序中回收醋酸的方法
US8382961B2 (en) * 2010-06-07 2013-02-26 Amt International, Inc. System and method for reduction of water consumption in purified terephthalic acid production
US20140121406A1 (en) * 2012-10-31 2014-05-01 Invista North America S.A.R.L. Pure plant mother liquor solvent extraction system and method
GB201417735D0 (en) * 2014-10-07 2014-11-19 Invista Tech Sarl Production of an aromatic dicarboxylic acid
CN105463540B (zh) * 2015-11-26 2017-12-15 湖南永盛新材料股份有限公司 一种用于电池壳体的镀覆镍钴/镍/镍磷多层膜不锈钢带及其制备方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1075317B (it) * 1977-04-13 1985-04-22 Montedison Spa Metodo per l'anidrificazione del solvente e per il ricupero del sottoprodotto acetato di metile in un processo di sintesi dell'acido tereftalico
US4172209A (en) * 1978-08-23 1979-10-23 Uop Inc. Process for producing dicarboxylic acids by the oxidation of xylene
GB9104776D0 (en) * 1991-03-07 1991-04-17 Ici Plc Process for the production of terephthalic acid
DE69511095T2 (de) * 1994-08-23 2000-04-06 E.I. Du Pont De Nemours And Co. Dehydratisierung der essigsäure durch azeotropische destillation in der herstellung von aromatischen säure

Also Published As

Publication number Publication date
DZ2868A1 (fr) 2004-09-05
EG21657A (en) 2002-02-27
ID27786A (id) 2001-04-26
DE69903450D1 (de) 2002-11-14
ATE225763T1 (de) 2002-10-15
DE69903450T2 (de) 2003-06-18
CA2337502C (en) 2009-03-24
CN1135215C (zh) 2004-01-21
CN1312787A (zh) 2001-09-12
JP4246393B2 (ja) 2009-04-02
EP1104396B1 (en) 2002-10-09
JP2002522519A (ja) 2002-07-23
EP1104396A1 (en) 2001-06-06
CA2337502A1 (en) 2000-02-24
BR9914302A (pt) 2001-06-26
ES2182553T3 (es) 2003-03-01
TW483886B (en) 2002-04-21
WO2000009468A1 (en) 2000-02-24

Similar Documents

Publication Publication Date Title
MY125445A (en) Method for recovering methyl acetate and residual acetic acid in the production of pure terephthalic acid
TR200100436T2 (tr) Metil asetat ve tortusal asetik asidin yeniden kazanılması yöntemi
US5890376C1 (en) Helium recycling for optical fiber manufacturing
ID18651A (id) Proses terintegrasi untuk memproduksi vinil asetat dan/atau asam asetat
DE59700698D1 (de) Katalysator und verfahren zur herstellung von vinylacetat
DE50003746D1 (de) Katalysator und verfahren zur herstellung von vinylacetat
NO301708B1 (no) Fremgangsmåte og katalysatorsystem for fremstilling av eddiksyre
SG81845A1 (en) Method of purifying acetic acid
NO990363D0 (no) FremgangsmÕte for selektiv fremstilling av eddiksyre og for det egnede katalysatorer
HUP0300153A2 (en) The method of chemical recycling of polyethylene terephthalate waste
DE69722261D1 (de) Gasphasen-oxidationsverfahren und verfahren zur herstellung von phthalsäureanhydrid
CA2380625A1 (en) Process for producing pure terephthalic acid with improved recovery of precursors, solvent and methyl acetate
AU7876200A (en) Method for purifying acetone
DE60018313D1 (de) Integriertes verfahren zur herstellung von vinylacetat
EP1016985A3 (en) Method and system for topic based cross indexing of text and audio
EP0895985A3 (en) Method for producing bis(3-amino-4-hydroxyphenyl) compounds
SG50646A1 (en) Purification of crude(meth) acrylic acid
DE69901307D1 (de) Verfahren zur herstellung von 5-methoxy-2-[(4-methoxy-3,5-dimethyl-2-pyrydyl)methyl]sulfinyl-1h-benzimidazol
NZ514106A (en) Process for the preparation of hydroxy methylthiobutyric acid esters
ATE312863T1 (de) Verfahren zur reinigung von aldehydverunreinigungen
AU8569998A (en) Improved process for recovering hydrogen in producing pure terephthalic acid
NO965280D0 (no) Fremgangsmåte for fremstilling av en spesielt ren monokloreddiksyre
MY117386A (en) Process for the production of ruthenium (iii) acetate solution
DE69628433D1 (de) Verfahren zur gewinnung von pivalinsäure aus abfallreaktionsgemischen
TH39474A3 (th) วิธีการสำหรับการนำกลับคืนเมธิลอะซิเตต และ อะซิติกแอซิกเหลือค้าง ในกรรมวิธีการผลิตเทอร์ฟธาลิกแอซิกบริสุทธิ์