BR9814564A - Processo de purificação do 2,6-dimetilnaftaleno. - Google Patents

Processo de purificação do 2,6-dimetilnaftaleno.

Info

Publication number
BR9814564A
BR9814564A BR9814564-9A BR9814564A BR9814564A BR 9814564 A BR9814564 A BR 9814564A BR 9814564 A BR9814564 A BR 9814564A BR 9814564 A BR9814564 A BR 9814564A
Authority
BR
Brazil
Prior art keywords
dimethylnaphthalene
purification process
isomers
dmn
fractionation
Prior art date
Application number
BR9814564-9A
Other languages
English (en)
Inventor
Curtis L Munson
Patrick C Bigot
Zunging Alice He
Original Assignee
Chevron Chem 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 Chevron Chem Co filed Critical Chevron Chem Co
Publication of BR9814564A publication Critical patent/BR9814564A/pt

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
    • C07C7/12—Purification; Separation; Use of additives by adsorption, i.e. purification or separation of hydrocarbons with the aid of solids, e.g. with ion-exchangers
    • C07C7/13—Purification; Separation; Use of additives by adsorption, i.e. purification or separation of hydrocarbons with the aid of solids, e.g. with ion-exchangers by molecular-sieve technique
    • 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
    • C07C2521/00—Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium
    • C07C2521/02—Boron or aluminium; Oxides or hydroxides thereof
    • C07C2521/04—Alumina
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/02—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of the alkali- or alkaline earth metals or beryllium
    • C07C2523/04—Alkali metals
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/14—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of germanium, tin or lead
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • C07C2523/32—Manganese, technetium or rhenium
    • C07C2523/36—Rhenium
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals
    • C07C2523/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals of the platinum group metals
    • C07C2523/42—Platinum
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals
    • C07C2523/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals of the platinum group metals
    • C07C2523/44—Palladium
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals
    • C07C2523/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals of the platinum group metals
    • C07C2523/46—Ruthenium, rhodium, osmium or iridium
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of the iron group metals or copper
    • C07C2523/74—Iron group metals
    • C07C2523/755—Nickel

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Water Supply & Treatment (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

"PROCESSO DE PURIFICAçãO DO 2,6-DIMETILNAFTALENO". é apresentado um processo para produzir 2,6-dimetilnaftaleno (2,6-DMN), usado para a produção de naftaleno de polietileno, com pureza elevada e rendimento elevado a partir de uma mistura de isómeros de dimetilnaftaleno sem limitação dos isómeros específicos presentes na alimentação por uma série de etapas de fracionamento, cristalização e adsorção.
BR9814564-9A 1997-12-30 1998-11-18 Processo de purificação do 2,6-dimetilnaftaleno. BR9814564A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/000,858 US6057487A (en) 1997-12-30 1997-12-30 Method for producing 2,6-DMN from mixed dimethylnaphthalenes by crystallization, adsorption and isomerization
PCT/US1998/024643 WO1999033770A1 (en) 1997-12-30 1998-11-18 Method for producing 2,6-dmn from mixed dimethylnaphthalenes by crystallization, adsorption and isomerization

Publications (1)

Publication Number Publication Date
BR9814564A true BR9814564A (pt) 2000-10-17

Family

ID=21693318

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9814564-9A BR9814564A (pt) 1997-12-30 1998-11-18 Processo de purificação do 2,6-dimetilnaftaleno.

Country Status (9)

Country Link
US (1) US6057487A (pt)
EP (1) EP1047654A1 (pt)
JP (1) JP2001527054A (pt)
KR (1) KR20010033746A (pt)
CN (1) CN1285811A (pt)
AU (1) AU1418799A (pt)
BR (1) BR9814564A (pt)
CA (1) CA2315628A1 (pt)
WO (1) WO1999033770A1 (pt)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0962477A3 (en) * 1998-06-04 2002-08-07 Fuji Photo Film Co., Ltd. Method of producing polyester and charging apparatus therefor
IT1318508B1 (it) * 2000-05-10 2003-08-27 Eni Spa Processo per la separazione di 2,6-dimetilnaftalene da miscele che locontengono.
ITMI20011205A1 (it) * 2001-06-07 2002-12-07 Enichem Spa Processo integrato di produzione di 2,6 dimetilfaftalene
KR100621823B1 (ko) * 2004-07-21 2006-09-14 재단법인서울대학교산학협력재단 2,6-디알킬테트랄린의 제조 방법
GB0504079D0 (en) * 2005-02-28 2005-04-06 Davy Process Techn Ltd Process
KR20080024109A (ko) * 2005-04-06 2008-03-17 미츠비시 가스 가가쿠 가부시키가이샤 2,7-디메틸나프탈렌의 정제 방법
KR100754744B1 (ko) * 2006-05-01 2007-09-03 주식회사 효성 2,6-디메틸나프탈렌의 분리 및 정제방법
KR100721442B1 (ko) * 2006-06-23 2007-05-23 주식회사 효성 이성화 반응 및 결정화 공정을 포함하는2,6-디메틸나프탈렌의 분리 및 정제 방법
RU2440967C2 (ru) 2006-10-26 2012-01-27 Мицубиси Гэс Кемикал Компани, Инк. Способ получения 2,6-диметил-1-нафтальдегида
KR100894785B1 (ko) * 2006-12-29 2009-04-24 주식회사 효성 고순도 2,6-디메틸나프탈렌 연속 결정화 분리정제 방법 및그 장치
KR100782677B1 (ko) * 2006-12-29 2007-12-07 주식회사 효성 고순도 2,6-디메틸나프탈렌의 제조방법
FR3024662B1 (fr) * 2014-08-05 2016-12-09 Ifp Energies Now Procede de separation du meta-xylene utilisant un adsorbant zeolithique a haute surface externe
CN112010727A (zh) * 2020-08-31 2020-12-01 辽宁科技大学 一种用于制备2,6-二甲基萘的装置及方法

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US3153675A (en) * 1961-06-27 1964-10-20 Sun Oil Co Preparation of naphthalene and dimethylnaphthalenes
US3153676A (en) * 1961-06-27 1964-10-20 Sun Oil Co Preparation of naphthalene and 2, 6-dimethylnaphthalene
US3235615A (en) * 1961-10-10 1966-02-15 Sun Oil Co Preparation of naphthalene and certain dimethylnaphthalenes
US3109036A (en) * 1961-10-12 1963-10-29 Sun Oil Co Isomerization of dimethylnaphthalenes
US4014949A (en) * 1962-06-06 1977-03-29 Sun Ventures, Inc. Separation of cyclic compounds with molecular sieve adsorbent
US3244758A (en) * 1963-03-20 1966-04-05 Sun Oil Co Reaction of aromatic hydrocarbons with diolefins
US3249644A (en) * 1963-05-28 1966-05-03 Sun Oil Co Process for the production of 2, 6-dimethylnaphthalene
US3336411A (en) * 1964-10-09 1967-08-15 Marathon Oil Co Process for producing 2, 6-dimethylnaphthalene
US3485885A (en) * 1968-04-22 1969-12-23 Sun Oil Co Process for the purification of 2,6-dimethylnaphthalene
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
US3594436A (en) * 1969-02-03 1971-07-20 Sun Oil Co Separation of 2,6-and 2,7-dmn eutectic via 2,6-dimethyltetrahydronaphthalene crystallization
US3668267A (en) * 1970-01-30 1972-06-06 Sun Oil Co Separation of 2,7-dimethylnaphthalene from 2,6-dimethylnaphthalene with molecular sieves
US3772399A (en) * 1970-01-30 1973-11-13 Sun Research Development Separation of 2,6-dimethylnaphthalene from 1,5-dimethylnaphthalene with molecular sieve
JPS5228792B1 (pt) * 1971-01-27 1977-07-28
US3803253A (en) * 1971-12-14 1974-04-09 Sun Research Development Hydroisomerization of dimethylnaphthalenes using a calcium zeolite catalyst
US3775498A (en) * 1972-06-09 1973-11-27 Sun Research Development Preparation of 2,6-dimethylnaphthalene
US3839479A (en) * 1972-09-18 1974-10-01 Sun Research Development Sublimation of 2,6-and 2,7-dimethyl-naphthalene mixture
US3890403A (en) * 1973-11-14 1975-06-17 Teijin Ltd Process for separating and recovering 2,6-dimethylnaththalenes
US4735929A (en) * 1985-09-03 1988-04-05 Uop Inc. Catalytic composition for the isomerization of paraffinic hydrocarbons
DE3740313C2 (de) * 1986-11-28 1996-02-15 Mitsubishi Chem Corp Verfahren zur Abtrennung von 2,6-Dimethylnaphthalin
DE3703291A1 (de) * 1987-02-04 1988-08-18 Ruetgerswerke Ag Verfahren zur herstellung von 2,6-dialkylnaphthalin
DE3876917T2 (de) * 1987-09-24 1993-05-06 Nippon Mining Co Verfahren zur erzeugung von dimethylnaphthalenen.
US5146040A (en) * 1988-01-04 1992-09-08 Exxon Chemical Patents Inc. Process for separating dimethylnaphthalene isomers with zeolite L agglomerates
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JP2921541B2 (ja) * 1993-04-19 1999-07-19 三菱瓦斯化学株式会社 ジメチルナフタレンの異性化方法
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US5744670A (en) * 1996-06-10 1998-04-28 Kobe Steel, Ltd. Process for preparing dialkylnaphthalene

Also Published As

Publication number Publication date
AU1418799A (en) 1999-07-19
EP1047654A1 (en) 2000-11-02
JP2001527054A (ja) 2001-12-25
CN1285811A (zh) 2001-02-28
US6057487A (en) 2000-05-02
CA2315628A1 (en) 1999-07-08
WO1999033770A1 (en) 1999-07-08
KR20010033746A (ko) 2001-04-25

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFARENTE A 6O, 7O E 8O ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 1910 DE 14/08/2007.