PH29933A - Catalyst and method for purifying crude terephthalic acid isophtalic acid or naphthalene dicarboxylic acid - Google Patents

Catalyst and method for purifying crude terephthalic acid isophtalic acid or naphthalene dicarboxylic acid

Info

Publication number
PH29933A
PH29933A PH47435A PH47435A PH29933A PH 29933 A PH29933 A PH 29933A PH 47435 A PH47435 A PH 47435A PH 47435 A PH47435 A PH 47435A PH 29933 A PH29933 A PH 29933A
Authority
PH
Philippines
Prior art keywords
acid
catalyst
isophtalic
naphthalene dicarboxylic
crude terephthalic
Prior art date
Application number
PH47435A
Other languages
English (en)
Inventor
Hobe Schroeder
Ricky L Wittman
Original Assignee
Hobe Schroeder
Ricky L Wittman
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 Hobe Schroeder, Ricky L Wittman filed Critical Hobe Schroeder
Publication of PH29933A publication Critical patent/PH29933A/en

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

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)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)
PH47435A 1993-03-10 1993-12-13 Catalyst and method for purifying crude terephthalic acid isophtalic acid or naphthalene dicarboxylic acid PH29933A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/029,037 US5362908A (en) 1993-03-10 1993-03-10 Catalyst and method for purifying crude terephthalic acid, isophthalic acid or naphthalene dicarboxylic acid

Publications (1)

Publication Number Publication Date
PH29933A true PH29933A (en) 1996-09-16

Family

ID=21846884

Family Applications (1)

Application Number Title Priority Date Filing Date
PH47435A PH29933A (en) 1993-03-10 1993-12-13 Catalyst and method for purifying crude terephthalic acid isophtalic acid or naphthalene dicarboxylic acid

Country Status (13)

Country Link
US (1) US5362908A (fr)
EP (1) EP0688310A1 (fr)
JP (1) JPH08507082A (fr)
KR (1) KR960700991A (fr)
CN (1) CN1035432C (fr)
AU (1) AU5730194A (fr)
BR (1) BR9307822A (fr)
CA (1) CA2157192A1 (fr)
NZ (1) NZ259126A (fr)
PH (1) PH29933A (fr)
TW (1) TW282453B (fr)
WO (1) WO1994020447A1 (fr)
ZA (1) ZA939094B (fr)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5929274A (en) 1995-06-07 1999-07-27 Hfm International, Inc. Method to reduce carboxybenzaldehyde isomers in terephthalic acid or isophthalic 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
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
WO1997017318A1 (fr) * 1995-11-10 1997-05-15 Mitsui Petrochemical Industries, Ltd. Procede de purification d'acide naphtatlenedicarboxylique brut
US5616792A (en) * 1996-02-01 1997-04-01 Amoco Corporation Catalytic purification of dicarboxylic aromatic acid
US5756833A (en) * 1996-02-01 1998-05-26 Amoco Corporation Catalytic purification and recovery of dicarboxylic aromatic acids
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
ID21035A (id) * 1996-09-10 1999-04-08 Mitsui Chemicals Inc Metode pemurnian asam naftalendikarboksilat kasar dan proses pembuatan polietilen naftalat
DE69735209T2 (de) * 1996-09-20 2006-09-21 Daiken Chemical Co. Ltd., Osaka Photokatalysator mit ultrafeinen metallpartikeln, hochfunktionelles material beladen mit dem photokatalysator und methode zu ihrer herstellung
US6265608B1 (en) 1998-06-30 2001-07-24 Eastman Chemical Company Method of purifying aromatic dicarboxylic acids
US7005540B2 (en) * 2001-04-27 2006-02-28 Mitsubishi Gas Chemical Company, Inc. Method of purifying aromatic polycarboxylic acid
US6534677B1 (en) 2001-06-04 2003-03-18 Engelhard Corporation Non-crushable, non-friable, non-breakable carbon catalyst supports
US6992037B2 (en) 2001-09-17 2006-01-31 Engelhard Corporation Precious metal catalyst for debenzylation
US7659225B2 (en) * 2001-09-17 2010-02-09 Basf Catalysts Llc Precious metal catalyst for debenzylation
US20030120109A1 (en) * 2001-12-20 2003-06-26 Rosen Bruce I. Purification of a crude acid mixture
US6706658B2 (en) 2001-12-21 2004-03-16 Engelhard Corporation Catalyst for purification of aromatic acids
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
US7547803B2 (en) * 2003-06-20 2009-06-16 Mitsubishi Gas Chemical Company, Inc. Process for producing a high purity aromatic polycarboxylic acid
US20050249659A1 (en) * 2004-05-04 2005-11-10 Flynn Harry E Scour media for titanium dioxide production
US7935834B2 (en) * 2004-07-01 2011-05-03 Isp Investments Inc. Catalysts for maleic acid hydrogenation to 1,4-butanediol
PL1841724T3 (pl) * 2004-12-13 2013-10-31 Bp Corp North America Inc Sposób oczyszczania aromatycznych kwasów karboksylowych
PT1866273E (pt) 2005-03-21 2010-08-25 Bp Corp North America Inc Processo e dispositivo para produzir ácidos carboxílicos aromáticos incluindo suas formas puras
US20070072783A1 (en) * 2005-09-26 2007-03-29 Tronox Llc Scour medium for titanium dioxide production
EP2292684A3 (fr) * 2005-12-29 2011-04-20 BP Corporation North America Inc. Ethanolyse du PET pour former du DET et oxydation de ce dernier
MX2012003378A (es) 2009-09-30 2012-05-08 Bp Corp North America Inc Hidrogenacion catalitica del carboxiarilaldehido y su uso para purificar el acido tereftalico sin refinar.
MX2016007841A (es) 2013-12-18 2016-10-07 Bp Corp North America Inc Proceso mejorado y aparato para fabricar acidos carboxilicos aromaticos.
CN104826603A (zh) * 2015-05-10 2015-08-12 江苏爱特恩东台新材料科技有限公司 一种制备对苯二甲酸盐气体吸附剂的方法
US20170348671A1 (en) 2016-06-06 2017-12-07 Huntsman P&A Germany Gmbh Process for reducing the sulphur content of anatase titania and the so-obtained product
BR112018073994A2 (pt) * 2016-06-06 2019-02-26 Venator Germany Gmbh processo para reduzir o teor de enxofre de titânia anatase e o produto assim obtido
CN114425387B (zh) * 2020-09-28 2023-10-31 中国石油化工股份有限公司 硼氮共掺杂二氧化钛载钯催化剂及其制备方法和应用

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPS52136208A (en) * 1976-05-11 1977-11-14 Mitsubishi Chem Ind Manufacture of titanium oxide mold goods
US4376724A (en) * 1980-04-14 1983-03-15 Showa Denko Kabushiki Kaisha Rhodium catalyst and method for preparing the same
FR2481145A1 (fr) * 1980-04-23 1981-10-30 Rhone Poulenc Ind Procede de fabrication de catalyseurs ou de supports de catalyseurs faconnes a base d'oxyde de titane et leurs applications a la catalyse claus
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
US4743577A (en) * 1986-10-14 1988-05-10 Amoco Corporation Catalyst composition
NL8700691A (nl) * 1987-03-24 1988-10-17 Tno Werkwijze voor de bereiding en toepassing van groep-viii-metaalkatalysatoren voor de hydrogenering van aromatische en onverzadigde verbindingen onder milde omstandigheden.
FR2633605B1 (fr) * 1988-07-01 1991-07-12 Rhone Poulenc Chimie Procede de preparation d'oxyde de titane et d'articles a base d'oxyde de titane
GB9213140D0 (en) * 1992-06-20 1992-08-05 Tioxide Specialties Ltd Preparation of anatase titanium dioxide

Also Published As

Publication number Publication date
NZ259126A (en) 1996-02-27
AU5730194A (en) 1994-09-26
US5362908A (en) 1994-11-08
JPH08507082A (ja) 1996-07-30
EP0688310A1 (fr) 1995-12-27
CN1035432C (zh) 1997-07-16
KR960700991A (ko) 1996-02-24
ZA939094B (en) 1994-08-08
CN1090792A (zh) 1994-08-17
WO1994020447A1 (fr) 1994-09-15
CA2157192A1 (fr) 1994-09-15
TW282453B (fr) 1996-08-01
BR9307822A (pt) 1995-11-14

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