ATE59630T1 - Reinigung von terephthalsaeure zu einem relativ niedrigen gehalt an 4-carboxybenzaldehyd und katalysator hierfuer. - Google Patents

Reinigung von terephthalsaeure zu einem relativ niedrigen gehalt an 4-carboxybenzaldehyd und katalysator hierfuer.

Info

Publication number
ATE59630T1
ATE59630T1 AT86307679T AT86307679T ATE59630T1 AT E59630 T1 ATE59630 T1 AT E59630T1 AT 86307679 T AT86307679 T AT 86307679T AT 86307679 T AT86307679 T AT 86307679T AT E59630 T1 ATE59630 T1 AT E59630T1
Authority
AT
Austria
Prior art keywords
carboxybenzaldehyde
relatively low
purification
catalyst
low content
Prior art date
Application number
AT86307679T
Other languages
English (en)
Inventor
Hobe Schroeder
Original Assignee
Amoco Corp
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 filed Critical Amoco Corp
Application granted granted Critical
Publication of ATE59630T1 publication Critical patent/ATE59630T1/de

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
    • C07C51/42—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
    • 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
    • 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
    • C07C67/60—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
AT86307679T 1985-10-07 1986-10-03 Reinigung von terephthalsaeure zu einem relativ niedrigen gehalt an 4-carboxybenzaldehyd und katalysator hierfuer. ATE59630T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/785,321 US4629715A (en) 1985-10-07 1985-10-07 Purification of terephthalic acid to relatively low levels of 4-carboxybenzaldehyde and catalyst therefor
EP86307679A EP0222499B1 (de) 1985-10-07 1986-10-03 Reinigung von Terephthalsäure zu einem relativ niedrigen Gehalt an 4-Carboxybenzaldehyd und Katalysator hierfür

Publications (1)

Publication Number Publication Date
ATE59630T1 true ATE59630T1 (de) 1991-01-15

Family

ID=25135114

Family Applications (1)

Application Number Title Priority Date Filing Date
AT86307679T ATE59630T1 (de) 1985-10-07 1986-10-03 Reinigung von terephthalsaeure zu einem relativ niedrigen gehalt an 4-carboxybenzaldehyd und katalysator hierfuer.

Country Status (8)

Country Link
US (1) US4629715A (de)
EP (1) EP0222499B1 (de)
JP (1) JPS62129247A (de)
KR (1) KR900006441B1 (de)
CN (1) CN1019112B (de)
AT (1) ATE59630T1 (de)
DE (1) DE3676444D1 (de)
ES (1) ES2019289B3 (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4808751A (en) * 1988-03-29 1989-02-28 Amoco Corporation Method for reactivating a group VIII noble metal catalyst for use in the purification of crude terephthalic acid
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
US5354898A (en) * 1993-06-17 1994-10-11 Amoco Corporation Method for purifying crude aromatic carboxylic acids
US5929274A (en) * 1995-06-07 1999-07-27 Hfm International, Inc. Method to reduce carboxybenzaldehyde isomers in terephthalic acid or isophthalic acid
US5767311A (en) * 1995-06-07 1998-06-16 Glitsch International, Inc. Method and apparatus for preparing purified terephtalic acid
US6013835A (en) * 1995-06-07 2000-01-11 Hfm International, Inc. Method and apparatus for preparing purified terephthalic acid
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
US5756833A (en) * 1996-02-01 1998-05-26 Amoco Corporation Catalytic purification and recovery of dicarboxylic aromatic acids
US5616792A (en) * 1996-02-01 1997-04-01 Amoco Corporation Catalytic purification of dicarboxylic aromatic acid
ITMI971161A1 (it) * 1997-05-19 1998-11-19 Montecatini Tecnologie Srl Catalizzatori di idrogenazione
US6265608B1 (en) 1998-06-30 2001-07-24 Eastman Chemical Company Method of purifying aromatic dicarboxylic acids
US6245939B1 (en) * 1998-11-30 2001-06-12 E. I. Du Pont De Nemours And Company Process for producing highly pure aromatic carboxylic acids
RU2146172C1 (ru) * 1999-07-29 2000-03-10 Институт катализа им.Г.К.Борескова СО РАН Каталитическая композиция, способ ее приготовления и способ очистки терефталевой кислоты
KR100642133B1 (ko) * 2000-06-14 2006-11-13 삼성토탈 주식회사 수소화 정제용 촉매의 성능평가 방법
US6649263B2 (en) * 2001-11-16 2003-11-18 Honeywell International Inc. Polyester resin and industrial yarn process
US20030120109A1 (en) * 2001-12-20 2003-06-26 Rosen Bruce I. Purification of a crude acid mixture
US7135596B2 (en) * 2002-04-23 2006-11-14 Bp Corporation North America Inc. Method of removing iron contaminants from liquid streams during the manufacture and/or purification of aromatic acids
JP2008511653A (ja) * 2004-09-02 2008-04-17 イーストマン ケミカル カンパニー 芳香族ジカルボン酸の最適化製造
BRPI0518860A2 (pt) * 2004-12-13 2008-12-09 Bp Corp North America Inc processos de purificaÇço de Ácido carboxÍlico aromÁtico impuro, de fabrico de produto de Ácido carboxÍlico aromÁtico purificado e de Ácido tereftÁlico na forma purificada e de estabilizaÇço de carboneto de silÍcio de elevada Área de superfÍcie
CA2601941C (en) 2005-03-21 2013-06-25 Bp Corporation North America Inc. Process and apparatus for manufacturing aromatic carboxylic acids including pure forms thereof
US20120178964A1 (en) 2009-09-30 2012-07-12 Bp Corporation North America Inc Catalyst, Use Thereof and Process of Hydrogenating Aryl Aldehydes
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
US8748479B2 (en) 2012-06-22 2014-06-10 Eastman Chemical Company Process for purifying crude furan 2,5-dicarboxylic acid using hydrogenation
CN103721706B (zh) * 2012-10-15 2016-08-03 中国石油化工股份有限公司 对苯二甲酸精制钯炭催化剂还原洗涤方法
CN105829277B (zh) 2013-12-18 2020-01-17 Bp北美公司 制造芳族羧酸的改进的工艺和设备
CN115947653B (zh) * 2021-10-08 2025-08-29 中国石油化工股份有限公司 粗对苯二甲酸加氢精制同时副产1,4-环己烷二甲酸的方法及催化剂

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3546285A (en) * 1967-06-20 1970-12-08 Celanese Corp Process of purifying aromatic dicarboxylic acids
US3584039A (en) * 1967-08-30 1971-06-08 Standard Oil Co Fiber-grade terephthalic acid by catalytic hydrogen treatment of dissolved impure terephthalic acid
US3639465A (en) * 1968-06-18 1972-02-01 Standard Oil Co Purification of aromatic polycarboxylic acids by catalytic reduction using prehumidified hydrogen
US3726915A (en) * 1970-07-13 1973-04-10 Standard Oil Co Phthalic acid purification with copper activated palladium on carbon catalysts
FR2307788A1 (fr) * 1975-04-14 1976-11-12 Inst Francais Du Petrole Procede de purification d'acides benzenes dicarboxyliques
GB1578725A (en) * 1977-03-02 1980-11-05 Johnson Matthey Co Ltd Catalytic process for the purification of terephthalic acid
US4467110A (en) * 1981-10-29 1984-08-21 Standard Oil Company (Indiana) Process for purification of crude terephthalic acid
US4405809A (en) * 1981-12-04 1983-09-20 Standard Oil Company (Indiana) Process for the manufacture of aromatic polycarboxylic acids having delta Y values below ten

Also Published As

Publication number Publication date
CN1019112B (zh) 1992-11-18
DE3676444D1 (de) 1991-02-07
EP0222499A1 (de) 1987-05-20
JPS62129247A (ja) 1987-06-11
EP0222499B1 (de) 1991-01-02
CN86106988A (zh) 1987-04-08
ES2019289B3 (es) 1991-06-16
KR870003965A (ko) 1987-05-06
KR900006441B1 (ko) 1990-08-31
US4629715A (en) 1986-12-16

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties