ES2048427T3 - Purificacion de acido isoftalico en bruto. - Google Patents

Purificacion de acido isoftalico en bruto.

Info

Publication number
ES2048427T3
ES2048427T3 ES90302349T ES90302349T ES2048427T3 ES 2048427 T3 ES2048427 T3 ES 2048427T3 ES 90302349 T ES90302349 T ES 90302349T ES 90302349 T ES90302349 T ES 90302349T ES 2048427 T3 ES2048427 T3 ES 2048427T3
Authority
ES
Spain
Prior art keywords
isophthalic acid
purification
raw
hydrogenation
purified
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
ES90302349T
Other languages
English (en)
Inventor
Hobe Schroeder
Ricky Lynn Wittman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BP Corp North America Inc
Original Assignee
BP Corp North America Inc
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 BP Corp North America Inc filed Critical BP Corp North America Inc
Application granted granted Critical
Publication of ES2048427T3 publication Critical patent/ES2048427T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42Separation; Purification; Stabilisation; Use of additives
    • C07C51/487Separation; 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)

Abstract

LAS SOLUCIONES DE ACIDO ISOFTALICO CRUDO SE PURIFICAN MEDIANTE LA HIDROGENACION EN PRESENCIA DE UN CATALIZADOR QUE CONTIENE DOS COMPONENTES DEL GRUPO VIII CONTENIENDO DE METALES NOBLES.
ES90302349T 1988-10-13 1990-03-06 Purificacion de acido isoftalico en bruto. Expired - Lifetime ES2048427T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US25751188A 1988-10-13 1988-10-13
US07/419,656 US4933492A (en) 1988-10-13 1989-10-11 Purification of crude isophthalic acid

Publications (1)

Publication Number Publication Date
ES2048427T3 true ES2048427T3 (es) 1994-03-16

Family

ID=26946019

Family Applications (1)

Application Number Title Priority Date Filing Date
ES90302349T Expired - Lifetime ES2048427T3 (es) 1988-10-13 1990-03-06 Purificacion de acido isoftalico en bruto.

Country Status (4)

Country Link
US (1) US4933492A (es)
EP (1) EP0445446B1 (es)
AU (1) AU618882B2 (es)
ES (1) ES2048427T3 (es)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4933492A (en) * 1988-10-13 1990-06-12 Amoco Corporation Purification of crude isophthalic acid
JP2893860B2 (ja) * 1990-05-17 1999-05-24 三菱瓦斯化学株式会社 高純度イソフタル酸の製造法
US5110984A (en) * 1990-11-06 1992-05-05 Amoco Corporation Process for increasing the yield of purified isophthalic acid and reducing waste-water treatment a
GB9102393D0 (en) * 1991-02-05 1991-03-20 Ici Plc Production of terephthalic acid
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
JP3757995B2 (ja) * 1996-07-12 2006-03-22 三菱瓦斯化学株式会社 高純度イソフタル酸の製造方法
PL1841724T3 (pl) * 2004-12-13 2013-10-31 Bp Corp North America Inc Sposób oczyszczania aromatycznych kwasów karboksylowych
CN101121127A (zh) * 2006-08-11 2008-02-13 中国石油化工股份有限公司 负载型钯/碳催化剂的制备方法
KR20120081172A (ko) 2009-09-30 2012-07-18 비피 코포레이션 노쓰 아메리카 인코포레이티드 카르복시아릴알데히드의 촉매적 수소화 및 미정제 테레프탈산의 정제를 위한 그의 용도
RU2458042C2 (ru) * 2010-03-01 2012-08-10 Общество с ограниченной ответственностью "НИПИМ-Новые химические технологии" (ООО "НИПИМ-НХИМТЕХ") Способ получения и очистки изофталевой кислоты
CN103121945B (zh) * 2011-11-18 2015-04-08 中国石油化工股份有限公司 加氢精制后的对苯二甲酸的处理方法
CN103121938B (zh) * 2011-11-18 2015-10-21 中国石油化工股份有限公司 加氢精制后的间苯二甲酸的处理方法
CN103121940B (zh) * 2011-11-18 2015-11-18 中国石油化工股份有限公司 加氢处理粗间苯二甲酸方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3151154A (en) * 1959-01-29 1964-09-29 Richfield Oil Corp Decolorizing phthalic acids
JPS5132618B1 (es) * 1965-05-17 1976-09-14
US3584039A (en) * 1967-08-30 1971-06-08 Standard Oil Co Fiber-grade terephthalic acid by catalytic hydrogen treatment of dissolved impure terephthalic acid
US3726915A (en) * 1970-07-13 1973-04-10 Standard Oil Co Phthalic acid purification with copper activated palladium on carbon catalysts
US4394299A (en) * 1981-10-29 1983-07-19 Standard Oil Company (Indiana) Palladium-rhodium catalyst for purification of crude 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
US4626598A (en) * 1985-06-17 1986-12-02 Amoco Corporation Purification of terephthalic acid
JPH078823B2 (ja) * 1986-10-20 1995-02-01 三井石油化学工業株式会社 高純度テレフタル酸の製造方法
US4933492A (en) * 1988-10-13 1990-06-12 Amoco Corporation Purification of crude isophthalic acid
US4937378A (en) * 1989-10-13 1990-06-26 Amoco Corporation Purification of crude isophthalic acid

Also Published As

Publication number Publication date
AU5075990A (en) 1991-09-12
AU618882B2 (en) 1992-01-09
EP0445446B1 (en) 1994-01-19
EP0445446A1 (en) 1991-09-11
US4933492A (en) 1990-06-12

Similar Documents

Publication Publication Date Title
ES2048427T3 (es) Purificacion de acido isoftalico en bruto.
YU178291A (sh) Postupak za prečišćavanje sirove smeše tečnih aldehida
DE3886381D1 (de) Zufuhrsystem für gereinigtes wasser.
DE68910939D1 (de) Schutzanordnung zur vorbeugung von mundverletzungen für komapatienten.
DE69105887D1 (de) Reinigungsverfahren für Bisphenol-A.
PT84415B (pt) Processo de purificacao de alfa-1-antiprotease
DE3788555D1 (de) Reinigung von Terephthalsäure.
ES2078947T3 (es) Purificacion del complejo del factor viii utilizando cromatografia de afinidad con heparina.
MY116928A (en) Purification of crude acrylic acid by crystallization
IT1205953B (it) Procedimento per la disidratazione di fanghi da acque di scarico,con particolare riferimento a filtropresse
BR8500537A (pt) Processo para operar um regenerados de unico estagio de um desintegrador catalitico fluidificado
FI913454A0 (fi) Menetelmä sellaisen glykosfingolipidien seoksen valmistamiseksi ja puhdistamiseksi, joka on vapaa ei-tavanomaisten virusten aiheuttamista epäpuhtauksista
DE3761660D1 (de) Katalytisches herstellungsverfahren von alkoxylierten estern.
ES2034275T5 (es) Purificacion de acido acetico con ozono.
ES2019127B3 (es) Proceso de purificacion destilativa de tetrahidrofurano
DE3861513D1 (de) Entfernung von katalysatorresten.
IT8249707A0 (it) Purificazione di tetraidrodibenzo [b,d] pirani da miscele sintetiche grezze
BR8805572A (pt) Processo de produzir a superestrutura de uma linha ferroviaria
DE3856098D1 (de) Verfahren zur selektiven Reduktion von 2-Chinoxalinol-4-Oxiden zu 2-Chinoxalinolen
IT8720071A0 (it) Uniforme di un letto catalizzaotre dispositivo per l'alimentazione con un gas di scarico da depurare.
DE59008586D1 (de) Zweistufen-Verfahren zur Herstellung von Polycarbonaten auf Basis von speziellen Dihydroxydiphenylalkanen.
BE861412A (fr) Procede de purification de l'anthraquinone brute
DE68909508T2 (de) Verfahren zur Synthese von Zeolithen vom MTT-Strukturtyp.
ATE97651T1 (de) Reinigung von diphenylphtalaten.
BR8803870A (pt) Processo aperfeicoado para expulsar oxigenio de aguas industriais

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 445446

Country of ref document: ES