DE60102641D1 - Verfahren zur Herstellung von 2,6-Dimethylnaphthalin - Google Patents

Verfahren zur Herstellung von 2,6-Dimethylnaphthalin

Info

Publication number
DE60102641D1
DE60102641D1 DE60102641T DE60102641T DE60102641D1 DE 60102641 D1 DE60102641 D1 DE 60102641D1 DE 60102641 T DE60102641 T DE 60102641T DE 60102641 T DE60102641 T DE 60102641T DE 60102641 D1 DE60102641 D1 DE 60102641D1
Authority
DE
Germany
Prior art keywords
dimethylnaphthalene
cake
separation
content
liquid
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 - Fee Related
Application number
DE60102641T
Other languages
English (en)
Other versions
DE60102641T2 (de
Inventor
Shingo Yoshida
Masahiro Motoyuki
Tomoki Uemura
Koji Yamamoto
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.)
Kobe Steel Ltd
Original Assignee
Kobe Steel Ltd
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 Kobe Steel Ltd filed Critical Kobe Steel Ltd
Application granted granted Critical
Publication of DE60102641D1 publication Critical patent/DE60102641D1/de
Publication of DE60102641T2 publication Critical patent/DE60102641T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • C07C7/00—Purification; Separation; Use of additives
    • C07C7/14—Purification; Separation; Use of additives by crystallisation; Purification or separation of the crystals
DE60102641T 2000-10-02 2001-10-02 Verfahren zur Herstellung von 2,6-Dimethylnaphthalin Expired - Fee Related DE60102641T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000302601A JP2002114718A (ja) 2000-10-02 2000-10-02 ２，６−ジメチルナフタレンの製造方法
JP2000302601 2000-10-02

Publications (2)

Publication Number Publication Date
DE60102641D1 true DE60102641D1 (de) 2004-05-13
DE60102641T2 DE60102641T2 (de) 2005-03-31

Family

ID=18783927

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60102641T Expired - Fee Related DE60102641T2 (de) 2000-10-02 2001-10-02 Verfahren zur Herstellung von 2,6-Dimethylnaphthalin

Country Status (8)

Country Link
US (1) US6525235B2 (de)
EP (1) EP1193237B1 (de)
JP (1) JP2002114718A (de)
KR (1) KR100473001B1 (de)
AT (1) ATE263745T1 (de)
CA (1) CA2357891A1 (de)
DE (1) DE60102641T2 (de)
TW (1) TWI221150B (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003026614A (ja) * 2001-07-13 2003-01-29 Kobe Steel Ltd ２，６−ジメチルナフタレンの濃縮方法
KR100621823B1 (ko) * 2004-07-21 2006-09-14 재단법인서울대학교산학협력재단 2,6-디알킬테트랄린의 제조 방법
KR100671846B1 (ko) * 2006-03-27 2007-01-19 에스케이씨 주식회사 고순도 알킬렌 카보네이트의 제조방법
KR100721442B1 (ko) * 2006-06-23 2007-05-23 주식회사 효성 이성화 반응 및 결정화 공정을 포함하는2,6-디메틸나프탈렌의 분리 및 정제 방법
KR100934164B1 (ko) * 2007-10-23 2009-12-29 주식회사 효성 2,6-디메틸나프탈렌의 결정 크기 및 결정 형상 제어를 통한고순도 분리 및 정제 방법
JPWO2022107813A1 (de) * 2020-11-20 2022-05-27
KR20230109681A (ko) * 2020-11-20 2023-07-20 가부시키가이샤 닛폰 쇼쿠바이 정제 장치

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5022553B1 (de) * 1970-10-23 1975-07-31
JPS5334869B2 (de) 1973-06-26 1978-09-22
JPH09176054A (ja) 1995-12-26 1997-07-08 Kobe Steel Ltd 結晶性物質の精製方法
US5744670A (en) 1996-06-10 1998-04-28 Kobe Steel, Ltd. Process for preparing dialkylnaphthalene
US5723711A (en) 1996-11-06 1998-03-03 Kobe Steel, Ltd. Process for preparing 2-methylnaphthalene
US6011190A (en) 1997-07-02 2000-01-04 Kabushiki Kaisha Kobe Seiko Sho Process for preparing dialkylnaphthalene
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
US6018087A (en) 1997-10-10 2000-01-25 Kabushiki Kaisha Kobe Seiko Sho. Isomerization of dimethylnaphthalene to produce 2,6-dimethylnaphthalene
US6018086A (en) 1997-10-10 2000-01-25 Kabushiki Kaisha Kobe Seiko Sho Process for preparing 2,6-dialkylnaphthalene
EP1209139A4 (de) * 1999-08-31 2002-10-09 Kobe Steel Ltd Verfahren zur herstellung von 2,6-dimethylnaphtalin

Also Published As

Publication number Publication date
CA2357891A1 (en) 2002-04-02
KR20020026840A (ko) 2002-04-12
DE60102641T2 (de) 2005-03-31
ATE263745T1 (de) 2004-04-15
EP1193237A1 (de) 2002-04-03
JP2002114718A (ja) 2002-04-16
US6525235B2 (en) 2003-02-25
TWI221150B (en) 2004-09-21
KR100473001B1 (ko) 2005-03-07
US20020065447A1 (en) 2002-05-30
EP1193237B1 (de) 2004-04-07

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Legal Events

Date Code Title Description
8332 No legal effect for de
8370 Indication related to discontinuation of the patent is to be deleted
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee