ATE450487T1 - Verfahren zur trennung und reinigung von 2,6- dimethylnaphthalin - Google Patents

Verfahren zur trennung und reinigung von 2,6- dimethylnaphthalin

Info

Publication number
ATE450487T1
ATE450487T1 AT06122923T AT06122923T ATE450487T1 AT E450487 T1 ATE450487 T1 AT E450487T1 AT 06122923 T AT06122923 T AT 06122923T AT 06122923 T AT06122923 T AT 06122923T AT E450487 T1 ATE450487 T1 AT E450487T1
Authority
AT
Austria
Prior art keywords
purifying
separating
dimethylnaphthaline
dimethylnaphthalene
mixture
Prior art date
Application number
AT06122923T
Other languages
English (en)
Inventor
Yang-Ho Chenon
Young-Gyo Choi
Original Assignee
Hyosung Corp
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 Hyosung Corp filed Critical Hyosung Corp
Application granted granted Critical
Publication of ATE450487T1 publication Critical patent/ATE450487T1/de

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
AT06122923T 2006-05-01 2006-10-25 Verfahren zur trennung und reinigung von 2,6- dimethylnaphthalin ATE450487T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020060039220A KR100754744B1 (ko) 2006-05-01 2006-05-01 2,6-디메틸나프탈렌의 분리 및 정제방법

Publications (1)

Publication Number Publication Date
ATE450487T1 true ATE450487T1 (de) 2009-12-15

Family

ID=38420605

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06122923T ATE450487T1 (de) 2006-05-01 2006-10-25 Verfahren zur trennung und reinigung von 2,6- dimethylnaphthalin

Country Status (8)

Country Link
US (1) US7605296B2 (de)
EP (1) EP1852409B1 (de)
JP (1) JP4646886B2 (de)
KR (1) KR100754744B1 (de)
CN (1) CN101066903B (de)
AT (1) ATE450487T1 (de)
DE (1) DE602006010816D1 (de)
ES (1) ES2334378T3 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN107840791B (zh) * 2016-09-19 2021-08-03 中国石油化工股份有限公司 高纯2，6-萘二甲酸的生产方法
JP7447487B2 (ja) 2019-12-26 2024-03-12 株式会社レゾナック 高重合性ｎ－ビニルカルボン酸アミド単量体の製造方法
CN115057783A (zh) * 2022-07-15 2022-09-16 宁夏瑞泰科技股份有限公司 一种1,5-二氨基萘和1,8-二氨基萘的分离方法

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB983473A (en) * 1963-08-29 1965-02-17 Sun Oil Co Purification of high melting dimethyl naphthalene
US3851002A (en) * 1972-08-28 1974-11-26 Teijin Ltd Isomerization of dimethylnaphthalenes
JPS61157304A (ja) * 1984-12-28 1986-07-17 Kobe Steel Ltd 固溶体系特定物質を相互に分離する方法
DE3740313C2 (de) 1986-11-28 1996-02-15 Mitsubishi Chem Corp Verfahren zur Abtrennung von 2,6-Dimethylnaphthalin
US4783569A (en) * 1987-05-26 1988-11-08 Amoco Corporation Selective gas-phase isomerization of dimethylnaphthalene: 2,6-DMN triad
JP2524800B2 (ja) * 1988-03-07 1996-08-14 昭和シェル石油株式会社 圧力晶析法によるナフタレンのメチル誘導体の分離方法
JP2756494B2 (ja) * 1989-11-24 1998-05-25 三井化学株式会社 ２，６―ジメチルナフタレンの分離精製方法
JP2766059B2 (ja) * 1990-09-12 1998-06-18 財団法人石油産業活性化センター ２，７―ジメチルナフタレンの分離方法
MY109837A (en) * 1992-06-30 1997-08-30 Ciba Specialty Chemicals Holding Inc Hydrates of the disodium salt or dipotassium salt of 4, 4''-bis (2-sulfostyryl)bipheny]
US5675022A (en) * 1995-08-23 1997-10-07 Union Carbide Chemicals & Plastics Technology Corporation Recovery of dioxanone by melt crystallization
JPH09176055A (ja) * 1995-12-26 1997-07-08 Kobe Steel Ltd 結晶性物質の精製方法
JP4224647B2 (ja) * 1996-04-12 2009-02-18 三菱瓦斯化学株式会社 高純度２，６−ジメチルナフタレンの製造法
JPH09249586A (ja) * 1996-03-15 1997-09-22 Mitsubishi Gas Chem Co Inc 高純度２，６−ジメチルナフタレンの製法
JP4526606B2 (ja) 1996-03-15 2010-08-18 三菱瓦斯化学株式会社 高純度２，６−ジメチルナフタレンの製造方法
FR2758555B1 (fr) * 1997-01-20 1999-02-19 Inst Francais Du Petrole Procede de purification de naphtalene par hydrotraitement selectif suivi d'une separation
CN1065227C (zh) * 1997-12-15 2001-05-02 煤炭科学研究总院北京煤化学研究所 逐步升温乳化结晶法精制2,6－二甲基萘工艺
US6057487A (en) * 1997-12-30 2000-05-02 Chevron Chemical Company Method for producing 2,6-DMN from mixed dimethylnaphthalenes by crystallization, adsorption and isomerization
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
KR100761001B1 (ko) * 2004-05-11 2007-10-04 한국화학연구원 파라-디옥사논 반응 혼합액으로부터 고순도파라-디옥사논의 분리ㆍ정제방법

Also Published As

Publication number Publication date
DE602006010816D1 (de) 2010-01-14
JP4646886B2 (ja) 2011-03-09
JP2007297364A (ja) 2007-11-15
US20070255083A1 (en) 2007-11-01
KR100754744B1 (ko) 2007-09-03
US7605296B2 (en) 2009-10-20
EP1852409B1 (de) 2009-12-02
CN101066903A (zh) 2007-11-07
EP1852409A1 (de) 2007-11-07
CN101066903B (zh) 2011-06-08
ES2334378T3 (es) 2010-03-09

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