DE69711974D1 - Verfahren zur Reinigung von 2,6-Dimethylnaphthol und dessen Verwendung bei der Herstellung von 2,6-Naphtholdicarbonsäure - Google Patents

Verfahren zur Reinigung von 2,6-Dimethylnaphthol und dessen Verwendung bei der Herstellung von 2,6-Naphtholdicarbonsäure

Info

Publication number
DE69711974D1
DE69711974D1 DE69711974T DE69711974T DE69711974D1 DE 69711974 D1 DE69711974 D1 DE 69711974D1 DE 69711974 T DE69711974 T DE 69711974T DE 69711974 T DE69711974 T DE 69711974T DE 69711974 D1 DE69711974 D1 DE 69711974D1
Authority
DE
Germany
Prior art keywords
naphtholdicarboxylic
dimethylnaphthol
purification
acid
production
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
DE69711974T
Other languages
English (en)
Other versions
DE69711974T2 (de
Inventor
Makoto Takagawa
Ryusuke Sigematsu
Kuniaki Ageishi
Ko Kedo
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.)
Mitsubishi Gas Chemical Co Inc
Original Assignee
Mitsubishi Gas Chemical Co 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
Priority claimed from JP8059739A external-priority patent/JPH09249585A/ja
Priority claimed from JP8059741A external-priority patent/JPH09249586A/ja
Priority claimed from JP09152396A external-priority patent/JP4224647B2/ja
Priority claimed from JP8091522A external-priority patent/JPH09278682A/ja
Application filed by Mitsubishi Gas Chemical Co Inc filed Critical Mitsubishi Gas Chemical Co Inc
Application granted granted Critical
Publication of DE69711974D1 publication Critical patent/DE69711974D1/de
Publication of DE69711974T2 publication Critical patent/DE69711974T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • C07C7/14—Purification; Separation; Use of additives by crystallisation; Purification or separation of the crystals
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C15/00—Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic parts
    • C07C15/20—Polycyclic condensed hydrocarbons
    • C07C15/24—Polycyclic condensed hydrocarbons containing two rings
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE69711974T 1996-02-28 1997-01-29 Verfahren zur Reinigung von 2,6-Dimethylnaphthol und dessen Verwendung bei der Herstellung von 2,6-Naphtholdicarbonsäure Expired - Lifetime DE69711974T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP4123296 1996-02-28
JP8059739A JPH09249585A (ja) 1996-03-15 1996-03-15 ２，６−ジメチルナフタレンの製造法
JP8059741A JPH09249586A (ja) 1996-03-15 1996-03-15 高純度２，６−ジメチルナフタレンの製法
JP09152396A JP4224647B2 (ja) 1996-04-12 1996-04-12 高純度２，６−ジメチルナフタレンの製造法
JP8091522A JPH09278682A (ja) 1996-04-12 1996-04-12 ２，６−ジメチルナフタレンの製造方法及び濾過装置の運転方法

Publications (2)

Publication Number Publication Date
DE69711974D1 true DE69711974D1 (de) 2002-05-23
DE69711974T2 DE69711974T2 (de) 2002-09-19

Family

ID=27522146

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69711974T Expired - Lifetime DE69711974T2 (de) 1996-02-28 1997-01-29 Verfahren zur Reinigung von 2,6-Dimethylnaphthol und dessen Verwendung bei der Herstellung von 2,6-Naphtholdicarbonsäure
DE69730364T Expired - Lifetime DE69730364T2 (de) 1996-02-28 1997-01-29 Verfahren zur Reinigung von 2,6-Dimethylnaphthol und dessen Verwendung bei der Herstellung von 2,6-Naphtholdicarbonsäure

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69730364T Expired - Lifetime DE69730364T2 (de) 1996-02-28 1997-01-29 Verfahren zur Reinigung von 2,6-Dimethylnaphthol und dessen Verwendung bei der Herstellung von 2,6-Naphtholdicarbonsäure

Country Status (6)

Country Link
US (1) US5948949A (de)
EP (2) EP1151981B1 (de)
KR (2) KR100528401B1 (de)
DE (2) DE69711974T2 (de)
ID (1) ID15998A (de)
TW (1) TW450958B (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6072098A (en) * 1996-03-15 2000-06-06 Mitsubishi Gas Chemical Company, Inc. Process for producing highly pure 2,6-dimethylnaphthalene
JPH11104402A (ja) * 1997-10-03 1999-04-20 Kobe Steel Ltd アルキルナフタレンの分離方法
KR100316139B1 (ko) * 1999-01-15 2001-12-20 박호군 고순도의 2,6-디메틸나프탈렌의 분리 방법
IT1318508B1 (it) * 2000-05-10 2003-08-27 Eni Spa Processo per la separazione di 2,6-dimetilnaftalene da miscele che locontengono.
KR100463076B1 (ko) * 2002-03-18 2004-12-23 한국화학연구원 2,6-디메틸나프탈렌의 분리정제방법
US20050187403A1 (en) * 2004-02-25 2005-08-25 Hiroshi Ogawa Process for producing 1,3-naphthalenedicarboxylic acid
KR100621823B1 (ko) * 2004-07-21 2006-09-14 재단법인서울대학교산학협력재단 2,6-디알킬테트랄린의 제조 방법
KR100721442B1 (ko) 2006-06-23 2007-05-23 주식회사 효성 이성화 반응 및 결정화 공정을 포함하는2,6-디메틸나프탈렌의 분리 및 정제 방법
KR100894785B1 (ko) * 2006-12-29 2009-04-24 주식회사 효성 고순도 2,6-디메틸나프탈렌 연속 결정화 분리정제 방법 및그 장치
KR100934164B1 (ko) * 2007-10-23 2009-12-29 주식회사 효성 2,6-디메틸나프탈렌의 결정 크기 및 결정 형상 제어를 통한고순도 분리 및 정제 방법
JPWO2011115136A1 (ja) 2010-03-16 2013-06-27 三菱化学株式会社 コハク酸の製造方法
KR20130055047A (ko) * 2011-11-16 2013-05-28 에스케이이노베이션 주식회사 수첨 처리된 접촉분해경유로부터 2,6-디메틸나프탈렌을 분리 및 정제하는 방법
US10958087B2 (en) * 2018-07-21 2021-03-23 Orest Fedan Battery protection system

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS485767Y1 (de) * 1968-02-05 1973-02-14
US3590091A (en) * 1968-08-16 1971-06-29 Sun Oil Co Crystallization and purification of 2,6-dmn
US3541175A (en) * 1968-11-29 1970-11-17 Sun Oil Co Separation of 2,6 - dmn and 2,7 - dmn eutectic via trans 2,6-dimethyldecalin crystallization
US3649708A (en) * 1969-10-16 1972-03-14 Republic Steel Corp Purification of naphthalene
JPS5544734B2 (de) * 1972-11-14 1980-11-13
US3888938A (en) * 1973-05-26 1975-06-10 Teijin Ltd Process for obtaining 2,6-dimethylnaphthalene-rich or 2,7-dimethylnaphthalene-rich product
JPS5724331B2 (de) * 1973-05-31 1982-05-24
JPS5523638B2 (de) * 1973-06-20 1980-06-24
JPS5334869B2 (de) * 1973-06-26 1978-09-22
DE3531559A1 (de) * 1985-09-04 1987-03-05 Ruetgerswerke Ag Verfahren zur gewinnung von 2,6-dialkylisomeren des naphthalins aus dem isomerengemisch derselben
JPH0774172B2 (ja) * 1987-05-02 1995-08-09 昭和シェル石油株式会社 ２，６−ジメチルナフタレンの分離方法
US5510563A (en) * 1993-12-29 1996-04-23 Amoco Corporation Crystallizaiton of 2,6-dimethylnaphthalene

Also Published As

Publication number Publication date
EP0792858A2 (de) 1997-09-03
EP1151981A3 (de) 2001-11-14
EP0792858B1 (de) 2002-04-17
EP0792858A3 (de) 1997-12-17
DE69730364T2 (de) 2005-02-17
KR970069970A (ko) 1997-11-07
US5948949A (en) 1999-09-07
DE69730364D1 (de) 2004-09-23
TW450958B (en) 2001-08-21
EP1151981B1 (de) 2004-08-18
DE69711974T2 (de) 2002-09-19
KR100528401B1 (ko) 2006-04-12
KR100575918B1 (ko) 2006-05-02
ID15998A (id) 1997-08-21
EP1151981A2 (de) 2001-11-07

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