BR8107823A - Processo para a obtencao e reaplicacao de catalisador de oxidacao de metais pesados a partir de residuos no processo de dmt de witten - Google Patents
Processo para a obtencao e reaplicacao de catalisador de oxidacao de metais pesados a partir de residuos no processo de dmt de wittenInfo
- Publication number
- BR8107823A BR8107823A BR8107823A BR8107823A BR8107823A BR 8107823 A BR8107823 A BR 8107823A BR 8107823 A BR8107823 A BR 8107823A BR 8107823 A BR8107823 A BR 8107823A BR 8107823 A BR8107823 A BR 8107823A
- Authority
- BR
- Brazil
- Prior art keywords
- reapplying
- waste
- obtaining
- heavy metal
- oxidation catalyst
- Prior art date
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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/90—Regeneration or reactivation
-
- 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
- C07C67/58—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
-
- 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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Extraction Or Liquid Replacement (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3045332A DE3045332C2 (de) | 1980-12-02 | 1980-12-02 | Verfahren zur Gewinnung und Wiederverwendung von Schwermetalloxidationskatalysator aus Rückständen im Witten-DMT-Prozeß |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8107823A true BR8107823A (pt) | 1982-09-08 |
Family
ID=6118066
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8107823A BR8107823A (pt) | 1980-12-02 | 1981-12-01 | Processo para a obtencao e reaplicacao de catalisador de oxidacao de metais pesados a partir de residuos no processo de dmt de witten |
Country Status (7)
Country | Link |
---|---|
US (1) | US4464477A (pt) |
EP (1) | EP0053241B1 (pt) |
JP (1) | JPS609865B2 (pt) |
BR (1) | BR8107823A (pt) |
DE (2) | DE3045332C2 (pt) |
IN (1) | IN155427B (pt) |
SU (1) | SU1251796A3 (pt) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4868324A (en) * | 1988-05-24 | 1989-09-19 | Celanese Engineering Resins, Inc. | Purification of diphenyl phthalates |
DE4026732A1 (de) * | 1990-08-24 | 1992-02-27 | Huels Chemische Werke Ag | Verfahren zur reinigung eines oxidationsabgases mit energierueckgewinnung |
US5414106A (en) * | 1994-02-14 | 1995-05-09 | Hoechst Celanese Corporation | Process for recovering dimethyl terephthalate |
DE19530970A1 (de) * | 1995-08-23 | 1997-02-27 | Huels Chemische Werke Ag | Verfahren zur Aufarbeitung von Rückständen aus der Rohester-Destillation bei der Herstellung von Dimethylterephthalat (DMT) |
DE19618152C1 (de) * | 1996-05-07 | 1997-08-14 | Huels Chemische Werke Ag | Verfahren zur Trennung von Rohester im DMT-Prozeß |
KR100450528B1 (ko) * | 1996-12-19 | 2004-11-26 | 에스케이케미칼주식회사 | 디메틸테레프탈레이트제조공정의슬러지로부터산화용촉매물질을회수하는방법 |
KR19990025109A (ko) * | 1997-09-10 | 1999-04-06 | 조민호 | 테레프탈산 폐기슬러지로부터 코발트 촉매를 회수하는 방법 |
SG190223A1 (en) | 2010-11-11 | 2013-06-28 | Chevron Usa Inc | Hydroconversion multi-metallic catalyst and method for making thereof |
US8575062B2 (en) | 2010-11-11 | 2013-11-05 | Chevron U.S.A. Inc. | Hydroconversion multi-metallic catalyst and method for making thereof |
US8586500B2 (en) | 2010-11-11 | 2013-11-19 | Chevron U.S.A. Inc. | Hydroconversion multi-metallic catalyst and method for making thereof |
US9168519B2 (en) | 2010-11-11 | 2015-10-27 | Chevron U.S.A. Inc. | Hydroconversion multi-metallic catalyst and method for making thereof |
US8575061B2 (en) | 2010-11-11 | 2013-11-05 | Chevron U.S.A. Inc. | Hydroconversion multi-metallic catalyst and method for making thereof |
US8658558B2 (en) | 2010-11-11 | 2014-02-25 | Chevron U.S.A. Inc. | Hydroconversion multi-metallic catalyst and method for making thereof |
WO2014039735A2 (en) | 2012-09-05 | 2014-03-13 | Chevron U.S.A. Inc. | Hydroconversion multi-metallic catalyst and method for making thereof |
CN105017022A (zh) * | 2015-07-20 | 2015-11-04 | 浙江大学 | 一种甲酯化回收利用pta氧化残渣的方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
PL70344B1 (pt) * | 1971-10-28 | 1974-02-28 | ||
DD104973A5 (pt) * | 1972-09-12 | 1974-04-05 | ||
JPS522896B2 (pt) * | 1973-01-18 | 1977-01-25 | ||
DE2427875C3 (de) * | 1974-06-10 | 1980-03-20 | Dynamit Nobel Ag, 5210 Troisdorf | Verfahren zur Gewinnung von Dimethylterephthalat und von Zwischenprodukten der Dimethylterephthalat-Herstellung |
US4096340A (en) * | 1975-06-03 | 1978-06-20 | Teijin Hercules Chemical Co., Ltd. | Process for the preparation of dimethyl terephthalate |
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 |
US4353810A (en) * | 1981-01-21 | 1982-10-12 | Hercofina | Minimizing iron in recovered oxidation catalyst material in DMT process |
-
1980
- 1980-12-02 DE DE3045332A patent/DE3045332C2/de not_active Expired
-
1981
- 1981-10-07 EP EP81108022A patent/EP0053241B1/de not_active Expired
- 1981-10-07 DE DE8181108022T patent/DE3166060D1/de not_active Expired
- 1981-11-26 IN IN1338/CAL/81A patent/IN155427B/en unknown
- 1981-12-01 JP JP56191902A patent/JPS609865B2/ja not_active Expired
- 1981-12-01 BR BR8107823A patent/BR8107823A/pt unknown
- 1981-12-01 US US06/326,175 patent/US4464477A/en not_active Expired - Lifetime
-
1985
- 1985-04-26 SU SU853885102A patent/SU1251796A3/ru active
Also Published As
Publication number | Publication date |
---|---|
DE3045332A1 (de) | 1982-06-03 |
SU1251796A3 (ru) | 1986-08-15 |
JPS57119841A (en) | 1982-07-26 |
JPS609865B2 (ja) | 1985-03-13 |
US4464477A (en) | 1984-08-07 |
EP0053241A1 (de) | 1982-06-09 |
DE3045332C2 (de) | 1982-11-25 |
EP0053241B1 (de) | 1984-09-12 |
IN155427B (pt) | 1985-01-26 |
DE3166060D1 (en) | 1984-10-18 |
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