NL7905873A - Verbeterde werkwijze voor het bereiden van dimethyl- tereftalaat door oxydatie van p-toluylzuurmethylester of een mengsel daarvan met p-xyleen. - Google Patents

Verbeterde werkwijze voor het bereiden van dimethyl- tereftalaat door oxydatie van p-toluylzuurmethylester of een mengsel daarvan met p-xyleen. Download PDF

Info

Publication number
NL7905873A
NL7905873A NL7905873A NL7905873A NL7905873A NL 7905873 A NL7905873 A NL 7905873A NL 7905873 A NL7905873 A NL 7905873A NL 7905873 A NL7905873 A NL 7905873A NL 7905873 A NL7905873 A NL 7905873A
Authority
NL
Netherlands
Prior art keywords
oxidation
methanol
mixture
pte
esterification
Prior art date
Application number
NL7905873A
Other languages
English (en)
Dutch (nl)
Original Assignee
Dynamit Nobel Ag
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 Dynamit Nobel Ag filed Critical Dynamit Nobel Ag
Publication of NL7905873A publication Critical patent/NL7905873A/nl

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/16Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/21Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
    • C07C51/255Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting
    • C07C51/265Preparation 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyesters Or Polycarbonates (AREA)
NL7905873A 1978-07-31 1979-07-30 Verbeterde werkwijze voor het bereiden van dimethyl- tereftalaat door oxydatie van p-toluylzuurmethylester of een mengsel daarvan met p-xyleen. NL7905873A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2833585A DE2833585C2 (de) 1978-07-31 1978-07-31 Verfahren zur Herstellung von Dimethylterephthalat
DE2833585 1978-07-31

Publications (1)

Publication Number Publication Date
NL7905873A true NL7905873A (nl) 1980-02-04

Family

ID=6045871

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7905873A NL7905873A (nl) 1978-07-31 1979-07-30 Verbeterde werkwijze voor het bereiden van dimethyl- tereftalaat door oxydatie van p-toluylzuurmethylester of een mengsel daarvan met p-xyleen.

Country Status (8)

Country Link
JP (1) JPS5520799A (it)
BR (1) BR7904873A (it)
DE (1) DE2833585C2 (it)
FR (1) FR2432497A1 (it)
IT (1) IT1162371B (it)
NL (1) NL7905873A (it)
PL (1) PL116680B1 (it)
SU (1) SU888814A3 (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57141826U (it) * 1981-02-24 1982-09-06
JPH07108479B2 (ja) * 1992-09-21 1995-11-22 日清紡績株式会社 プレス機械

Also Published As

Publication number Publication date
IT1162371B (it) 1987-03-25
SU888814A3 (ru) 1981-12-07
PL217474A1 (it) 1980-03-24
PL116680B1 (en) 1981-06-30
DE2833585B1 (de) 1979-12-13
JPS5520799A (en) 1980-02-14
DE2833585C2 (de) 1980-08-14
IT7949897A0 (it) 1979-07-30
FR2432497A1 (fr) 1980-02-29
BR7904873A (pt) 1980-05-06

Similar Documents

Publication Publication Date Title
AU730800B2 (en) Removal of reduction of permanganate reducing compounds and alkyl iodides from a carbonylation process stream
KR101233605B1 (ko) 메탄올 카보닐화 공정 스트림으로부터의 퍼망가네이트 환원 화합물의 제거 방법
RU2065850C1 (ru) Способ получения уксусной кислоты
US6339171B1 (en) Removal or reduction of permanganate reducing compounds and alkyl iodides from a carbonylation process stream
US5831120A (en) Process for the production of acetic acid
CA2605494C (en) Process for the production of acetic acid
JP4732743B2 (ja) 蒸留方法
PL209290B1 (pl) Sposób redukowania i/lub usuwania związków redukujących nadmanganian, sposób wytwarzania kwasu octowego oraz sposób oddzielania mieszaniny, wytworzonej podczas karbonylowania metanolu
US5705688A (en) Process for the purification of acrylic acid obtained by catalytic oxidation of propylene
JP2005523322A (ja) メタノールのカルボニル化による酢酸の製造における再循環流の酸化処理
JPS609865B2 (ja) ウイツテンのdmt法における残留物から重金属酸化触媒を製造しかつ再使用するための方法
EP0506240B1 (en) Process for the recovery of acetic acid from compositions comprising acetic acid and water
JPH0611732B2 (ja) メタクリル酸メチルの精製法
NL7905873A (nl) Verbeterde werkwijze voor het bereiden van dimethyl- tereftalaat door oxydatie van p-toluylzuurmethylester of een mengsel daarvan met p-xyleen.
US4372875A (en) Method for obtaining and reusing of oxidation catalyst in the Witten DMT process
JPH0244296B2 (it)
US4086267A (en) Cobalt-catalyzed oxidation of C3 to C7 saturated aliphatic hydrocarbons to oxygenated products including acetic acid
EP0010455B1 (en) Cracking process for preparing styrene
US4131741A (en) Cobalt-catalyzed oxidation of C3 to C7 saturated aliphatic hydrocarbons to oxygenated products
EP0949341A1 (en) Process for recovering rhodium catalyst from acetic acid production liquids containing tar
JPH0142252B2 (it)
JPH1135523A (ja) メタクリル酸メチルの精製方法
US5319106A (en) Stabilization of mixtures of maleic anhydride and acrylic acid during distillation
JPH0244294B2 (ja) Metakuroreinnokaishuhoho
US4227010A (en) Recovery of dimethyl terephthalate and intermediates from the tarry fraction of cooxidation process residue

Legal Events

Date Code Title Description
BV The patent application has lapsed