RO69922A - Metoda pentru tratarea reziduurilor de distilare a esterilor si a filtratelor obtinute in procesul de producere a dimetiltereftalatului - Google Patents

Metoda pentru tratarea reziduurilor de distilare a esterilor si a filtratelor obtinute in procesul de producere a dimetiltereftalatului

Info

Publication number
RO69922A
RO69922A RO7688757A RO8875776A RO69922A RO 69922 A RO69922 A RO 69922A RO 7688757 A RO7688757 A RO 7688757A RO 8875776 A RO8875776 A RO 8875776A RO 69922 A RO69922 A RO 69922A
Authority
RO
Romania
Prior art keywords
dimetyltereftalate
esters
treatment
production
distillation residues
Prior art date
Application number
RO7688757A
Other languages
English (en)
French (fr)
Romanian (ro)
Inventor
Andrej Malkiewicz
Zofia Pokorska
Henryk Boebel
Genowefa Wawrzyniak
Original Assignee
Instytut Ciezkiej Syntezy Organicznej "Blachownia",Pl
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 Instytut Ciezkiej Syntezy Organicznej "Blachownia",Pl filed Critical Instytut Ciezkiej Syntezy Organicznej "Blachownia",Pl
Publication of RO69922A publication Critical patent/RO69922A/ro

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/39—Preparation of carboxylic acid esters by oxidation of groups which are precursors for the acid moiety of the ester
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
RO7688757A 1975-12-17 1976-12-16 Metoda pentru tratarea reziduurilor de distilare a esterilor si a filtratelor obtinute in procesul de producere a dimetiltereftalatului RO69922A (ro)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL1975185698A PL115115B1 (en) 1975-12-17 1975-12-17 Method of processing of residue after raw esters distillation and residue after distillation of filtrate from crystallization obtainable in the process of dimethyl terephthalate manufacture

Publications (1)

Publication Number Publication Date
RO69922A true RO69922A (ro) 1980-08-15

Family

ID=19974792

Family Applications (1)

Application Number Title Priority Date Filing Date
RO7688757A RO69922A (ro) 1975-12-17 1976-12-16 Metoda pentru tratarea reziduurilor de distilare a esterilor si a filtratelor obtinute in procesul de producere a dimetiltereftalatului

Country Status (7)

Country Link
CS (1) CS192468B2 (enExample)
DE (1) DE2655463B2 (enExample)
FI (1) FI763612A7 (enExample)
PL (1) PL115115B1 (enExample)
RO (1) RO69922A (enExample)
SU (1) SU747417A3 (enExample)
TR (1) TR19694A (enExample)

Also Published As

Publication number Publication date
SU747417A3 (ru) 1980-07-23
DE2655463A1 (de) 1977-06-23
PL115115B1 (en) 1981-03-31
FI763612A7 (enExample) 1977-06-18
CS192468B2 (en) 1979-08-31
TR19694A (tr) 1979-10-11
DE2655463B2 (de) 1981-02-12

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