CS227320B2 - Method of recovering oxidation catalysts on the basis of heavy metals in the production of dimethyl terephtalate according to witten - Google Patents

Method of recovering oxidation catalysts on the basis of heavy metals in the production of dimethyl terephtalate according to witten Download PDF

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Publication number
CS227320B2
CS227320B2 CS808784A CS878480A CS227320B2 CS 227320 B2 CS227320 B2 CS 227320B2 CS 808784 A CS808784 A CS 808784A CS 878480 A CS878480 A CS 878480A CS 227320 B2 CS227320 B2 CS 227320B2
Authority
CS
Czechoslovakia
Prior art keywords
temperature
sodium
liter
catalyst
cobalt
Prior art date
Application number
CS808784A
Other languages
Czech (cs)
English (en)
Inventor
Karl Heinz Dr Diessel
Rudolf Dr Modic
Friedrich Struss
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
Priority claimed from DE2950318A external-priority patent/DE2950318C2/de
Application filed by Dynamit Nobel Ag filed Critical Dynamit Nobel Ag
Publication of CS227320B2 publication Critical patent/CS227320B2/cs

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/40—Regeneration or reactivation
    • B01J31/4015—Regeneration or reactivation of catalysts containing metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/90—Regeneration or reactivation
    • B01J23/92—Regeneration or reactivation of catalysts comprising metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/04—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing carboxylic acids or their salts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/40—Regeneration or reactivation
    • B01J31/4015—Regeneration or reactivation of catalysts containing metals
    • B01J31/4023—Regeneration or reactivation of catalysts containing metals containing iron group metals, noble metals or copper
    • B01J31/403—Regeneration or reactivation of catalysts containing metals containing iron group metals, noble metals or copper containing iron group metals or copper
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2231/00—Catalytic reactions performed with catalysts classified in B01J31/00
    • B01J2231/70—Oxidation reactions, e.g. epoxidation, (di)hydroxylation, dehydrogenation and analogues
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/584—Recycling of catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Treatment Of Water By Ion Exchange (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
CS808784A 1979-12-14 1980-12-12 Method of recovering oxidation catalysts on the basis of heavy metals in the production of dimethyl terephtalate according to witten CS227320B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2950318A DE2950318C2 (de) 1979-12-14 1979-12-14 Gewinnung und Wiederverwendung von Kobalt- oder Kobalt und Manganverbindungen aus dem Witten-DMT-Prozeß
DE3037054A DE3037054C2 (de) 1979-12-14 1980-10-01 Verfahrens zur Gewinnung und Wiederverwendung von Kobalt- oder Kobalt- und Manganverbindungen aus dem Witten-DMT-Prozeß

Publications (1)

Publication Number Publication Date
CS227320B2 true CS227320B2 (en) 1984-04-16

Family

ID=25782427

Family Applications (1)

Application Number Title Priority Date Filing Date
CS808784A CS227320B2 (en) 1979-12-14 1980-12-12 Method of recovering oxidation catalysts on the basis of heavy metals in the production of dimethyl terephtalate according to witten

Country Status (14)

Country Link
EP (1) EP0031437B1 (enExample)
AR (1) AR226711A1 (enExample)
BR (1) BR8008131A (enExample)
CA (1) CA1145738A (enExample)
CS (1) CS227320B2 (enExample)
DD (1) DD155142A5 (enExample)
DE (2) DE3037054C2 (enExample)
ES (1) ES497660A0 (enExample)
IN (1) IN155166B (enExample)
MX (1) MX155223A (enExample)
PL (1) PL133454B1 (enExample)
RO (2) RO81386A (enExample)
TR (1) TR21413A (enExample)
YU (1) YU41370B (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1062852C (zh) * 1998-02-16 2001-03-07 中国石化辽阳石油化纤公司 对苯二甲酸生产中钴、锰催化剂的回收方法
CN101255107A (zh) * 2008-04-03 2008-09-03 沈福昌 精对苯二甲酸废渣的资源化处理方法
JP6644633B2 (ja) * 2015-08-07 2020-02-12 Ｊｆｅケミカル株式会社 ジシクロペンタジエン類変性フェノール樹脂の製造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE792520A (fr) * 1971-12-10 1973-06-08 Standard Oil Co Recuperation de colbalt et/ou de manganese exempts de fer et de cuivre
DE2531106B2 (de) * 1975-07-11 1979-02-01 Instytut Ciezkiej Syntezy Organicznej Blachownia, Kedzierzyn (Polen) Verfahren zur Rückgewinnung und Zuriickführung des Katalysators aus dem Herstellungsprozeß von Dimethylterephthalat
GB1595974A (en) * 1977-04-07 1981-08-19 Ici Ltd Recovering catalyst values
DE2923681C2 (de) * 1979-06-12 1981-11-05 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zur Gewinnung und Wiederverwendung von Schwermetalloxidationskatalysator aus dem Wittem-DMT-Prozeß

Also Published As

Publication number Publication date
ES8200641A1 (es) 1981-11-01
DE3037054C2 (de) 1983-09-08
EP0031437A1 (de) 1981-07-08
AR226711A1 (es) 1982-08-13
CA1145738A (en) 1983-05-03
PL133454B1 (en) 1985-06-29
MX155223A (es) 1988-02-08
TR21413A (tr) 1984-05-29
PL228447A1 (enExample) 1981-10-16
ES497660A0 (es) 1981-11-01
BR8008131A (pt) 1981-06-30
YU313680A (en) 1983-04-30
RO86655A (ro) 1985-04-17
RO86655B (ro) 1985-05-01
DE3062553D1 (en) 1983-05-05
IN155166B (enExample) 1985-01-12
EP0031437B1 (de) 1983-03-30
DD155142A5 (de) 1982-05-19
RO81386A (ro) 1983-06-01
DE3037054A1 (de) 1982-04-22
YU41370B (en) 1987-02-28
RO81386B (ro) 1983-05-30

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