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

Info

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

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/40Regeneration or reactivation
    • B01J31/4015Regeneration or reactivation of catalysts containing metals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/90Regeneration or reactivation
    • B01J23/92Regeneration or reactivation of catalysts comprising metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/04Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing carboxylic acids or their salts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/40Regeneration or reactivation
    • B01J31/4015Regeneration or reactivation of catalysts containing metals
    • B01J31/4023Regeneration or reactivation of catalysts containing metals containing iron group metals, noble metals or copper
    • B01J31/403Regeneration or reactivation of catalysts containing metals containing iron group metals, noble metals or copper containing iron group metals or copper
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00Preparation of carboxylic acid esters
    • C07C67/39Preparation of carboxylic acid esters by oxidation of groups which are precursors for the acid moiety of the ester
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2231/00Catalytic reactions performed with catalysts classified in B01J31/00
    • B01J2231/70Oxidation reactions, e.g. epoxidation, (di)hydroxylation, dehydrogenation and analogues
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/584Recycling 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 (enrdf_load_stackoverflow)
AR (1) AR226711A1 (enrdf_load_stackoverflow)
BR (1) BR8008131A (enrdf_load_stackoverflow)
CA (1) CA1145738A (enrdf_load_stackoverflow)
CS (1) CS227320B2 (enrdf_load_stackoverflow)
DD (1) DD155142A5 (enrdf_load_stackoverflow)
DE (2) DE3037054C2 (enrdf_load_stackoverflow)
ES (1) ES497660A0 (enrdf_load_stackoverflow)
IN (1) IN155166B (enrdf_load_stackoverflow)
MX (1) MX155223A (enrdf_load_stackoverflow)
PL (1) PL133454B1 (enrdf_load_stackoverflow)
RO (2) RO81386A (enrdf_load_stackoverflow)
TR (1) TR21413A (enrdf_load_stackoverflow)
YU (1) YU41370B (enrdf_load_stackoverflow)

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

Similar Documents

Publication Publication Date Title
US4356319A (en) Method of recovering in active form the catalyst for the terephthalic acid synthesis
TW203041B (enrdf_load_stackoverflow)
KR0152534B1 (ko) 테레프탈산 여과액에서 불순물을 제거하기 위한 추출방법
US7282151B2 (en) Process for removal of impurities from mother liquor in the synthesis of carboxylic acid using pressure filtration
KR20040108588A (ko) 카복실산의 합성시 모액으로부터 불순물을 제거하는 추출방법
JP3421057B2 (ja) 触媒の回収
SU1053735A3 (ru) Способ выделени катализатора на основе ацетатов кобальта и марганца из остатка производства диметилтерефталата
CS227320B2 (en) Method of recovering oxidation catalysts on the basis of heavy metals in the production of dimethyl terephtalate according to witten
US5840643A (en) Recovery of oxidation catalysts used for the production of trimellitic acid
KR101943115B1 (ko) 필터 공급 슬러리중 물의 백분율을 제어함으로써 테레프탈산 퍼지 여과 속도를 개선하는 방법
CA2163635A1 (en) Method of making plasticizers
JPS6019756B2 (ja) 蒸留残渣から無水マレイン酸を回収する方法
US4628041A (en) Rhodium and iodine recovery method
KR101167541B1 (ko) 카르보닐화 프로세스 스트림으로부터의 촉매 금속 및촉진제 금속의 제거 방법
EP2914571A1 (en) Pure plant mother liquor solvent extraction system and method
WO1996041790A1 (fr) Processus de production d'acide isophtalique de purete monomerique
JP2009504646A (ja) 酸化剤パージ流からの安息香酸の除去方法
US4997979A (en) Process for the preparation of alkaline phenylpyrovate
RU2287518C1 (ru) Способ извлечения уксусной кислоты в способе получения ароматической карбоновой кислоты
MXPA99001937A (en) Catalyst recovery
MX2008000765A (es) Proceso para la remocion de acido benzoico de una corriente de purga de oxidante
AU2009254215A1 (en) Process for the treatment of the aqueous stream coming from the Fischer-Tropsch reaction by means of ion exchange resins