AT290507B - Process for the purification of aromatic di- and polycarboxylic acids - Google Patents

Process for the purification of aromatic di- and polycarboxylic acids

Info

Publication number
AT290507B
AT290507B AT466266A AT466266A AT290507B AT 290507 B AT290507 B AT 290507B AT 466266 A AT466266 A AT 466266A AT 466266 A AT466266 A AT 466266A AT 290507 B AT290507 B AT 290507B
Authority
AT
Austria
Prior art keywords
purification
aromatic
polycarboxylic acids
polycarboxylic
acids
Prior art date
Application number
AT466266A
Other languages
German (de)
Original Assignee
Standard Oil Co
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 Standard Oil Co filed Critical Standard Oil Co
Application granted granted Critical
Publication of AT290507B publication Critical patent/AT290507B/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)
AT466266A 1965-05-17 1966-05-17 Process for the purification of aromatic di- and polycarboxylic acids AT290507B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US45621965A 1965-05-17 1965-05-17

Publications (1)

Publication Number Publication Date
AT290507B true AT290507B (en) 1971-06-11

Family

ID=23811931

Family Applications (1)

Application Number Title Priority Date Filing Date
AT466266A AT290507B (en) 1965-05-17 1966-05-17 Process for the purification of aromatic di- and polycarboxylic acids

Country Status (9)

Country Link
JP (1) JPS5138698B1 (en)
AT (1) AT290507B (en)
BE (1) BE681180A (en)
CH (1) CH457397A (en)
DE (1) DE1593540A1 (en)
DK (1) DK125171B (en)
ES (1) ES326853A1 (en)
GB (1) GB1152575A (en)
SE (1) SE350966B (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2893860B2 (en) * 1990-05-17 1999-05-24 三菱瓦斯化学株式会社 Production method of high purity isophthalic acid
GB9104776D0 (en) * 1991-03-07 1991-04-17 Ici Plc Process for the production of terephthalic acid
US5449820A (en) * 1994-03-15 1995-09-12 Mitsubishi Chemical Corporation Method of preparing high purity 2,6-naphthalene dicarboxylic acid
US7196215B2 (en) * 2001-06-04 2007-03-27 Eastman Chemical Company Process for the production of purified terephthalic acid
US7485747B2 (en) 2001-06-04 2009-02-03 Eastman Chemical Company Two stage oxidation process for the production of aromatic dicarboxylic acids
US20040215036A1 (en) 2003-04-25 2004-10-28 Robert Lin Method for heating a crude carboxylic acid slurry in a post oxidation zone by the addition of steam
US7816556B2 (en) 2006-03-01 2010-10-19 Eastman Chemical Company Polycarboxylic acid production system employing enhanced multistage oxidative digestion
US7393973B2 (en) 2006-03-01 2008-07-01 Eastman Chemical Company Polycarboxylic acid production system with enhanced residence time distribution for oxidative digestion
US7501537B2 (en) 2006-03-01 2009-03-10 Eastman Chemical Company Polycarboxylic acid production system employing oxidative digestion with reduced or eliminated upstream liquor exchange
US20070208194A1 (en) 2006-03-01 2007-09-06 Woodruff Thomas E Oxidation system with sidedraw secondary reactor
US7326807B2 (en) 2006-03-01 2008-02-05 Eastman Chemical Company Polycarboxylic acid production system with enhanced heating for oxidative digestion
US7420082B2 (en) 2006-03-01 2008-09-02 Eastman Chemical Company Polycarboxylic acid production system employing hot liquor removal downstream of oxidative digestion
US7326808B2 (en) 2006-03-01 2008-02-05 Eastman Chemical Company Polycarboxylic acid production system employing cooled mother liquor from oxidative digestion as feed to impurity purge system
US7772424B2 (en) 2006-03-01 2010-08-10 Eastman Chemical Company Polycarboxylic acid production system employing enhanced evaporative concentration downstream of oxidative digestion
MY148951A (en) * 2006-05-08 2013-06-14 Mitsubishi Gas Chemical Co Method of crystallization
CN103288632A (en) * 2013-06-19 2013-09-11 中国石油化工股份有限公司 Method for purifying crude trimesic acid
CN113105056A (en) * 2021-04-14 2021-07-13 新疆中泰创新技术研究院有限责任公司 Method for resource utilization of purified terephthalic acid wastewater

Also Published As

Publication number Publication date
DE1593540A1 (en) 1970-10-22
GB1152575A (en) 1969-05-21
CH457397A (en) 1968-06-15
ES326853A1 (en) 1967-03-16
JPS5138698B1 (en) 1976-10-23
BE681180A (en) 1966-10-31
DK125171B (en) 1973-01-08
SE350966B (en) 1972-11-13

Similar Documents

Publication Publication Date Title
CH484031A (en) Process for the preparation of d-phenylacetic acids
AT290507B (en) Process for the purification of aromatic di- and polycarboxylic acids
CH475182A (en) Process for the continuous esterification of acrylic acid
AT269352B (en) Process for the production of cephemic acids
AT288708B (en) Process for the hardening of unsaturated polyester resins
CH484030A (en) Process for the production of alkenoic acids
CH455289A (en) Process for the production of polyester
AT288360B (en) Process for the purification of aromatic di- and polycarboxylic acids
CH481860A (en) Process for the production of prostaglandic acids
AT290506B (en) Process for the purification of aromatic di- and polycarboxylic acids
AT290490B (en) Process for the preparation of new N-carboxyaspartic anhydride or N-carboxyglutamine anhydride
AT244936B (en) Process for the preparation of pure aryl esters of di- and polycarboxylic acids
CH491139A (en) Process for the production of hydroxydiphosphonic acids
DD38244A1 (en) Process for the purification of polyester solutions
CH457389A (en) Process for the purification of adiponitrile
CH475287A (en) Process for the preparation of substituted aminomethylphosphinic acids
CH490382A (en) Process for the preparation of 2-phenylalkylindolylic acids
CH479520A (en) Process for the preparation of α-oxycarboxylic acids
CH451921A (en) Process for the preparation of sulfinyl-substituted alkane-carboxylic acids
CH468361A (en) Process for the preparation of polythio-substituted carboxylic acids or derivatives thereof
CH473754A (en) Process for the preparation of naphthyloxy-substituted carboxylic acids
CH476667A (en) Process for the preparation of benzene carboxylic acids
CH489458A (en) Process for the preparation of phenoxyalkanecarboxylic acids
CH472405A (en) Process for the preparation of N-1-acyl-3-indolyl-acetic acids
CH444175A (en) Process for the isolation of ergolenic carboxylic acids

Legal Events

Date Code Title Description
ELA Expired due to lapse of time