KR800001084B1 - 고순도 테레프탈산의 제조방법 - Google Patents

고순도 테레프탈산의 제조방법 Download PDF

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Publication number
KR800001084B1
KR800001084B1 KR7501539A KR750001539A KR800001084B1 KR 800001084 B1 KR800001084 B1 KR 800001084B1 KR 7501539 A KR7501539 A KR 7501539A KR 750001539 A KR750001539 A KR 750001539A KR 800001084 B1 KR800001084 B1 KR 800001084B1
Authority
KR
South Korea
Prior art keywords
terephthalic acid
oxidation
oxygen
post
suspension
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
Application number
KR7501539A
Other languages
English (en)
Korean (ko)
Inventor
쓰네오 기무라
히로시 하시즈메
요시아끼 이즈미사와
Original Assignee
원본미기재
미쓰비시 가세이고교 가부시기 가이샤
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 원본미기재, 미쓰비시 가세이고교 가부시기 가이샤 filed Critical 원본미기재
Application granted granted Critical
Publication of KR800001084B1 publication Critical patent/KR800001084B1/ko
Expired legal-status Critical Current

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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
KR7501539A 1974-07-31 1975-07-15 고순도 테레프탈산의 제조방법 Expired KR800001084B1 (ko)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8783574A JPS5614101B2 (enExample) 1974-07-31 1974-07-31

Publications (1)

Publication Number Publication Date
KR800001084B1 true KR800001084B1 (ko) 1980-10-06

Family

ID=13925976

Family Applications (1)

Application Number Title Priority Date Filing Date
KR7501539A Expired KR800001084B1 (ko) 1974-07-31 1975-07-15 고순도 테레프탈산의 제조방법

Country Status (7)

Country Link
JP (1) JPS5614101B2 (enExample)
KR (1) KR800001084B1 (enExample)
BR (1) BR7504901A (enExample)
DE (1) DE2534161C2 (enExample)
FR (1) FR2280626A1 (enExample)
GB (1) GB1454478A (enExample)
IT (1) IT1041434B (enExample)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2051804B (en) * 1979-07-02 1983-10-12 Ici Ltd Preparation of aromatic carboxylic acids
JPH0213652U (enExample) * 1988-07-11 1990-01-29
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
US7420082B2 (en) 2006-03-01 2008-09-02 Eastman Chemical Company Polycarboxylic acid production system employing hot liquor removal downstream of oxidative digestion
US7326807B2 (en) 2006-03-01 2008-02-05 Eastman Chemical Company Polycarboxylic acid production system with enhanced heating for 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
US7772424B2 (en) 2006-03-01 2010-08-10 Eastman Chemical Company Polycarboxylic acid production system employing enhanced evaporative concentration 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
US7816556B2 (en) 2006-03-01 2010-10-19 Eastman Chemical Company Polycarboxylic acid production system employing enhanced multistage 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

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB983677A (en) * 1962-04-27 1965-02-17 Mitsui Petrochemical Ind A process for the preparation of terephthalic acid having extremely high purity
CA793870A (en) * 1964-12-14 1968-09-03 Berthoux Jean Procede d'oxydation d'hydrocarbures aromatiques
DE2154147C3 (de) * 1970-11-01 1978-03-16 Maruzen Oil Co., Ltd., Osaka (Japan) Verfahren zur Herstellung von Terephthalsäure

Also Published As

Publication number Publication date
JPS5116630A (enExample) 1976-02-10
FR2280626B1 (enExample) 1980-04-18
BR7504901A (pt) 1977-03-01
JPS5614101B2 (enExample) 1981-04-02
FR2280626A1 (fr) 1976-02-27
DE2534161A1 (de) 1976-02-12
DE2534161C2 (de) 1983-08-18
GB1454478A (en) 1976-11-03
IT1041434B (it) 1980-01-10

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Legal Events

Date Code Title Description
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 19750715

PG1605 Publication of application before grant of patent

Comment text: Decision on Publication of Application

Patent event code: PG16051S01I

Patent event date: 19800904

PE0701 Decision of registration

Patent event code: PE07011S01D

Comment text: Decision to Grant Registration

Patent event date: 19810110