EG18723A - Method for reactivating a group vill noble metal catalyst for use in the purification of crude terephthalic acid - Google Patents

Method for reactivating a group vill noble metal catalyst for use in the purification of crude terephthalic acid

Info

Publication number
EG18723A
EG18723A EG15289A EG15289A EG18723A EG 18723 A EG18723 A EG 18723A EG 15289 A EG15289 A EG 15289A EG 15289 A EG15289 A EG 15289A EG 18723 A EG18723 A EG 18723A
Authority
EG
Egypt
Prior art keywords
reactivating
purification
noble metal
terephthalic acid
metal catalyst
Prior art date
Application number
EG15289A
Other languages
English (en)
Original Assignee
Amoco Corp
Procter & Gamble
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 Amoco Corp, Procter & Gamble filed Critical Amoco Corp
Application granted granted Critical
Publication of EG18723A publication Critical patent/EG18723A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
    • C07C51/255—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting
    • C07C51/265—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting having alkyl side chains which are oxidised to carboxyl groups
    • 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
    • B01J23/96—Regeneration or reactivation of catalysts comprising metals, oxides or hydroxides of the noble 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
    • 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
    • B01J38/00—Regeneration or reactivation of catalysts, in general
    • B01J38/48—Liquid treating or treating in liquid phase, e.g. dissolved or suspended
    • B01J38/64—Liquid treating or treating in liquid phase, e.g. dissolved or suspended using alkaline material; using salts
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
    • 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
    • C07C63/14—Monocyclic dicarboxylic acids
    • C07C63/15—Monocyclic dicarboxylic acids all carboxyl groups bound to carbon atoms of the six-membered aromatic ring
    • C07C63/26—1,4 - Benzenedicarboxylic acid
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)
EG15289A 1988-03-29 1989-03-27 Method for reactivating a group vill noble metal catalyst for use in the purification of crude terephthalic acid EG18723A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/174,850 US4808751A (en) 1988-03-29 1988-03-29 Method for reactivating a group VIII noble metal catalyst for use in the purification of crude terephthalic acid

Publications (1)

Publication Number Publication Date
EG18723A true EG18723A (en) 1994-02-28

Family

ID=22637787

Family Applications (1)

Application Number Title Priority Date Filing Date
EG15289A EG18723A (en) 1988-03-29 1989-03-27 Method for reactivating a group vill noble metal catalyst for use in the purification of crude terephthalic acid

Country Status (8)

Country Link
US (1) US4808751A (xx)
EP (1) EP0335501B1 (xx)
JP (1) JP2803835B2 (xx)
KR (1) KR960012699B1 (xx)
CN (1) CN1021814C (xx)
DE (1) DE68905512T2 (xx)
EG (1) EG18723A (xx)
ES (1) ES2039846T3 (xx)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2931048B2 (ja) * 1990-07-04 1999-08-09 三井化学株式会社 高純度テレフタル酸の製造方法
US6054610A (en) * 1995-06-07 2000-04-25 Hfm International, Inc. Method and apparatus for preparing purified terephthalic acid and isophthalic acid from mixed xylenes
US5767311A (en) * 1995-06-07 1998-06-16 Glitsch International, Inc. Method and apparatus for preparing purified terephtalic acid
US5929274A (en) * 1995-06-07 1999-07-27 Hfm International, Inc. Method to reduce carboxybenzaldehyde isomers in terephthalic acid or isophthalic acid
US6013835A (en) * 1995-06-07 2000-01-11 Hfm International, Inc. Method and apparatus for preparing purified terephthalic acid
CN100344379C (zh) * 2004-02-11 2007-10-24 美琪玛国际股份有限公司 对苯二甲酸的制备方法
CN100355718C (zh) * 2005-09-21 2007-12-19 扬子石油化工股份有限公司 加氢精制对苯二甲酸的催化剂的再生方法
CN100462144C (zh) * 2006-09-22 2009-02-18 曹善文 一种组合物的制备方法
US8658820B2 (en) 2008-05-23 2014-02-25 Gtc Technology Us, Llc Catalyst systems for the production of acids
CN102892742B (zh) * 2010-02-15 2014-11-19 英威达技术有限公司 通过催化加氢纯化羧酸
US11180439B2 (en) 2017-08-11 2021-11-23 Sabic Global Technologies B.V. Method of reducing impurities in a catalyst for producing terephthalic acid

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1085929A (en) * 1964-11-25 1967-10-04 Sumitomo Chemical Co Process for purifying terephthalic acid
US3456001A (en) * 1967-05-31 1969-07-15 Standard Oil Co Process for purifying benzene carboxylic acids
US3650983A (en) * 1969-12-23 1972-03-21 Nat Distillers Chem Corp Alkaline wash reactivation of palladium catalysts used in vinyl acetate synthesis
US3944601A (en) * 1972-12-20 1976-03-16 Standard Oil Company Quality of phthalic acids improved by strong inorganic acids
JPS5145581B2 (xx) * 1973-08-09 1976-12-04
US4263452A (en) * 1979-06-12 1981-04-21 Mitsubishi Gas Chemical Company, Inc. Process for purifying terephthalic acid
US4394299A (en) * 1981-10-29 1983-07-19 Standard Oil Company (Indiana) Palladium-rhodium catalyst for purification of crude terephthalic acid
US4728630A (en) * 1985-10-07 1988-03-01 Amoco Corporation Rhodium on carbon catalyst
US4629715A (en) * 1985-10-07 1986-12-16 Amoco Corporation Purification of terephthalic acid to relatively low levels of 4-carboxybenzaldehyde and catalyst therefor

Also Published As

Publication number Publication date
DE68905512D1 (de) 1993-04-29
DE68905512T2 (de) 1993-07-01
CN1036948A (zh) 1989-11-08
US4808751A (en) 1989-02-28
EP0335501B1 (en) 1993-03-24
EP0335501A1 (en) 1989-10-04
JP2803835B2 (ja) 1998-09-24
JPH0243957A (ja) 1990-02-14
KR890014167A (ko) 1989-10-23
CN1021814C (zh) 1993-08-18
ES2039846T3 (es) 1993-10-01
KR960012699B1 (ko) 1996-09-24

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