RO63832A - Procede de recuperation du cobalt des residus de la preparation du terephtalate de dimethyle - Google Patents

Procede de recuperation du cobalt des residus de la preparation du terephtalate de dimethyle

Info

Publication number
RO63832A
RO63832A RO7200072586A RO7258672A RO63832A RO 63832 A RO63832 A RO 63832A RO 7200072586 A RO7200072586 A RO 7200072586A RO 7258672 A RO7258672 A RO 7258672A RO 63832 A RO63832 A RO 63832A
Authority
RO
Romania
Prior art keywords
residues
preparation
dimethyl terephthalate
recovering cobalt
recovering
Prior art date
Application number
RO7200072586A
Other languages
English (en)
Romanian (ro)
Inventor
Zofia Pokorska
Wieslaw Szelejewscki
Wlodzimierz Montewski
Edward Grzywa
Andrzej Andrysiak
Henryk Joszko
Henryk Boebel
Janusz Pior
Czeslaw Szezontowski
Original Assignee
Inst Ciezkiej Syntezy Orga
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 Inst Ciezkiej Syntezy Orga filed Critical Inst Ciezkiej Syntezy Orga
Publication of RO63832A publication Critical patent/RO63832A/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C63/00—Compounds having carboxyl groups bound to a carbon atoms of six-membered aromatic rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/30—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
    • C07C67/313—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by introduction of doubly bound oxygen containing functional groups, e.g. carboxyl groups
    • 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
    • C07C67/58—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
RO7200072586A 1971-10-28 1972-10-20 Procede de recuperation du cobalt des residus de la preparation du terephtalate de dimethyle RO63832A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL15127471A PL70344B1 (fr) 1971-10-28 1971-10-28

Publications (1)

Publication Number Publication Date
RO63832A true RO63832A (fr) 1978-12-15

Family

ID=19956062

Family Applications (1)

Application Number Title Priority Date Filing Date
RO7200072586A RO63832A (fr) 1971-10-28 1972-10-20 Procede de recuperation du cobalt des residus de la preparation du terephtalate de dimethyle

Country Status (5)

Country Link
BG (1) BG27881A3 (fr)
CS (1) CS168009B2 (fr)
DE (1) DE2249605B2 (fr)
PL (1) PL70344B1 (fr)
RO (1) RO63832A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4609634A (en) * 1980-03-31 1986-09-02 American Hoechst Corporation High efficiency extraction method for recovering oxidation catalyst material from dimethyl terephthalate esterified oxidate residue and the like
DE3045332C2 (de) * 1980-12-02 1982-11-25 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zur Gewinnung und Wiederverwendung von Schwermetalloxidationskatalysator aus Rückständen im Witten-DMT-Prozeß
US4459365A (en) * 1981-05-29 1984-07-10 Mitsubishi Gas Chemical Company, Inc. Method of recovering a catalytic metal

Also Published As

Publication number Publication date
CS168009B2 (fr) 1976-05-28
DE2249605B2 (de) 1977-02-03
DE2249605A1 (de) 1973-05-10
BG27881A3 (en) 1980-01-15
PL70344B1 (fr) 1974-02-28

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