DE69615341T2 - Verfahren zur herstellung von paraxylol, das wenigstens eine kristallisierungsstufe auf hoher temperatur und eine stufe zum partiellen schmelzen der kristalle enthaelt - Google Patents

Verfahren zur herstellung von paraxylol, das wenigstens eine kristallisierungsstufe auf hoher temperatur und eine stufe zum partiellen schmelzen der kristalle enthaelt

Info

Publication number
DE69615341T2
DE69615341T2 DE69615341T DE69615341T DE69615341T2 DE 69615341 T2 DE69615341 T2 DE 69615341T2 DE 69615341 T DE69615341 T DE 69615341T DE 69615341 T DE69615341 T DE 69615341T DE 69615341 T2 DE69615341 T2 DE 69615341T2
Authority
DE
Germany
Prior art keywords
zone
paraxylene
crystals
washing
crystallization
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
DE69615341T
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German (de)
English (en)
Other versions
DE69615341D1 (de
Inventor
R. Macpherson
Paul Mikitenko
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IFP Energies nouvelles
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IFP Energies nouvelles
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Application granted granted Critical
Publication of DE69615341D1 publication Critical patent/DE69615341D1/de
Publication of DE69615341T2 publication Critical patent/DE69615341T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • C07C7/005—Processes comprising at least two steps in series
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C15/00—Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic parts
    • C07C15/02—Monocyclic hydrocarbons
    • C07C15/067—C8H10 hydrocarbons
    • C07C15/08—Xylenes
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
    • C07C5/22—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by isomerisation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • 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

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)
DE69615341T 1995-01-20 1996-01-17 Verfahren zur herstellung von paraxylol, das wenigstens eine kristallisierungsstufe auf hoher temperatur und eine stufe zum partiellen schmelzen der kristalle enthaelt Expired - Lifetime DE69615341T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9500746A FR2729660A1 (fr) 1995-01-20 1995-01-20 Procede de production de paraxylene comportant une cristallisation a haute temperature a au moins un etage et une fusion partielle des cristaux
PCT/FR1996/000078 WO1996022262A1 (fr) 1995-01-20 1996-01-17 Procede de production de paraxylene comportant une cristallisation a haute temperature a au moins un etage et une fusion partielle des cristaux

Publications (2)

Publication Number Publication Date
DE69615341D1 DE69615341D1 (de) 2001-10-25
DE69615341T2 true DE69615341T2 (de) 2002-04-18

Family

ID=9475408

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69615341T Expired - Lifetime DE69615341T2 (de) 1995-01-20 1996-01-17 Verfahren zur herstellung von paraxylol, das wenigstens eine kristallisierungsstufe auf hoher temperatur und eine stufe zum partiellen schmelzen der kristalle enthaelt

Country Status (19)

Country Link
US (2) US6111161A (enExample)
EP (1) EP0804394B1 (enExample)
JP (1) JP3793926B2 (enExample)
KR (1) KR100412313B1 (enExample)
CN (1) CN1056361C (enExample)
AR (1) AR000755A1 (enExample)
BR (1) BR9606980A (enExample)
CA (1) CA2210926C (enExample)
DE (1) DE69615341T2 (enExample)
ES (1) ES2164865T3 (enExample)
FR (1) FR2729660A1 (enExample)
GB (1) GB9715071D0 (enExample)
MY (1) MY117894A (enExample)
PL (1) PL194690B1 (enExample)
RU (1) RU2167139C2 (enExample)
SA (1) SA96160558B1 (enExample)
TW (1) TW303352B (enExample)
UA (1) UA49820C2 (enExample)
WO (1) WO1996022262A1 (enExample)

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FR2729660A1 (fr) * 1995-01-20 1996-07-26 Inst Francais Du Petrole Procede de production de paraxylene comportant une cristallisation a haute temperature a au moins un etage et une fusion partielle des cristaux
FR2730728B1 (fr) 1995-02-21 1997-05-23 Inst Francais Du Petrole Procede de separation du p-xylene comportant un pretraitement par hydrogenation selective et par de la terre activee
FR2764521B1 (fr) * 1997-06-16 1999-07-16 Inst Francais Du Petrole Dispositif de cristallisation par detente isentropique et son utilisation
US6336334B1 (en) 1997-06-16 2002-01-08 Institut Francais De Petrole Device for crystallization by isentropic expansion and its use
US6004452A (en) * 1997-11-14 1999-12-21 Chevron Chemical Company Llc Process for converting hydrocarbon feed to high purity benzene and high purity paraxylene
KR100308037B1 (ko) * 1998-12-31 2001-11-09 구자홍 디지털티브이의eit분석방법
TWI240716B (en) 2000-07-10 2005-10-01 Bp Corp North America Inc Pressure swing adsorption process for separating paraxylene and ethylbenzene from mixed C8 aromatics
US6565653B2 (en) 2001-05-08 2003-05-20 Bp Corporation North America Inc. Energy efficient process for producing high purity paraxylene
US7271305B2 (en) 2003-05-01 2007-09-18 Bp Corporation North America Inc. Method of obtaining para-xylene
US7122496B2 (en) * 2003-05-01 2006-10-17 Bp Corporation North America Inc. Para-xylene selective adsorbent compositions and methods
US7381858B2 (en) * 2004-01-30 2008-06-03 Bp Corporation North America Inc. Xylene process using perm-selective separations
US7358414B2 (en) * 2004-01-30 2008-04-15 Miller Jeffrey T Para-xylene process using perm-selective separations
EP1874422B1 (de) * 2005-04-21 2008-10-08 Basf Se Verfahren zur regelung einer hydraulischen waschkolonne
KR100741752B1 (ko) * 2005-12-26 2007-07-23 삼성토탈 주식회사 단일 흡착 챔버를 사용하여 공급물을 전처리하는 유사 이동층 흡착 분리 방법 및 그에 사용되는 장치
KR100894785B1 (ko) * 2006-12-29 2009-04-24 주식회사 효성 고순도 2,6-디메틸나프탈렌 연속 결정화 분리정제 방법 및그 장치
KR100843436B1 (ko) * 2007-04-27 2008-07-03 삼성토탈 주식회사 유사 이동층 크실렌 혼합물 전처리 공정 및 추가의 크실렌이성질화 공정을 포함하는 방향족 화합물의 분리 방법
US8530716B2 (en) * 2008-08-14 2013-09-10 Bp Corporation North America Inc. Melt-crystallization separation and purification process
KR200450313Y1 (ko) * 2008-11-12 2010-09-20 오길식 방화캡을 구비한 천정 매입등기구
CN101735001B (zh) * 2008-11-21 2013-04-03 中国石油化工股份有限公司 对二甲苯结晶分离的方法
CN101735002A (zh) * 2008-11-21 2010-06-16 中国石油化工股份有限公司 结晶分离对二甲苯的方法
US8273934B2 (en) * 2008-12-15 2012-09-25 Exxonmobil Chemical Patents Inc. Process for producing para-xylene
US8252967B2 (en) 2009-04-14 2012-08-28 Exxonmobil Chemical Patents Inc. Process for the purification of paraxylene
KR102168050B1 (ko) 2013-03-15 2020-10-20 비피 코포레이션 노쓰 아메리카 인코포레이티드 자일렌 이성질체를 함유하는 둘 이상의 공급물 스트림으로부터의 파라자일렌의 회수 방법
US9950972B2 (en) * 2013-09-27 2018-04-24 Uop Llc Apparatuses and methods for forming C8 aromatic streams with selected amounts of C9 aromatics
JP6350259B2 (ja) * 2013-12-27 2018-07-04 東レ株式会社 芳香族化合物異性体の製造方法
RU2687104C2 (ru) * 2014-02-13 2019-05-07 Бипи Корпорейшен Норт Америка Инк. Энергосберегающий способ фракционирования для разделения выходящего потока реактора процессов переалкилирования tol/с9+
CN105294384B (zh) * 2015-10-29 2017-05-10 中石化南京工程有限公司 一种对二甲苯结晶分离的装置
US10450240B2 (en) 2017-11-10 2019-10-22 Uop Llc Processes and apparatuses for methylation of aromatics in an aromatics complex
US11040930B2 (en) * 2017-12-05 2021-06-22 Ineos Us Chemicals Company Method of recovering paraxylene in a crystallization zone
CN110330403B (zh) * 2019-06-28 2022-02-18 中国石油天然气集团有限公司 设有甲苯择形歧化的吸附结晶耦合芳烃生产方法及系统
CN112679304B (zh) * 2019-10-18 2022-11-04 中国石油化工股份有限公司 一种生产对二甲苯的方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2866833A (en) 1953-09-14 1958-12-30 Standard Oil Co Paraxylene purification system
US3835198A (en) * 1968-08-29 1974-09-10 Phillips Petroleum Co Production of paraxylene
US3558731A (en) * 1968-09-18 1971-01-26 Shell Oil Co Paraxylene crystallization
FR1596045A (enExample) * 1968-12-12 1970-06-15
GB1381724A (en) * 1971-04-30 1975-01-29 Ici Ltd Separation process
DE2509182A1 (de) * 1974-03-11 1975-10-02 Standard Oil Co Einstufiges kristallisationsverfahren zur gewinnung von hochgereinigtem p-xylol
JPS56131528A (en) * 1980-03-17 1981-10-15 Kawasaki Heavy Ind Ltd Separation of p-xylene from hydrocarbon mixture
FR2681066B1 (fr) * 1991-09-05 1994-09-30 Inst Francais Du Petrole Procede et dispositif de separation des paraxylenes dans une charge d'hydrocarbures aromatiques en c8.
TW200454B (enExample) * 1991-09-05 1993-02-21 Inst Of France Petroleum
US5329060A (en) * 1993-04-01 1994-07-12 Uop Integrated selective adsorption and crystallization process for para-xylene recovery
US5659098A (en) * 1993-05-28 1997-08-19 Beck; Jeffrey S. High conversion touluene disproportionation with ex situ selectivated zeolite catalysts
US5329061A (en) * 1993-06-01 1994-07-12 Uop Crystallization process for para-xylene recovery using two-stage recovery section
FR2728894A1 (fr) 1994-12-29 1996-07-05 Inst Francais Du Petrole Procede de separation de paraxylene comportant au moins deux etages de cristallisation a haute temperature
FR2728893A1 (fr) 1994-12-29 1996-07-05 Inst Francais Du Petrole Procede de separation de paraxylene comportant au moins un etage de cristallisation a haute temperature et au moins un traitement a la terre situe en amont de la zone d'adsorption
FR2729660A1 (fr) * 1995-01-20 1996-07-26 Inst Francais Du Petrole Procede de production de paraxylene comportant une cristallisation a haute temperature a au moins un etage et une fusion partielle des cristaux
FR2739375B1 (fr) * 1995-09-29 1997-12-05 Inst Francais Du Petrole Production de paraxylene a partir d'un effluent de dismutation paraselective du toluene par un procede de cristallisation associe a une adsorption en lit mobile simule

Also Published As

Publication number Publication date
CA2210926C (fr) 2007-09-11
SA96160558B1 (ar) 2005-09-19
CN1168128A (zh) 1997-12-17
UA49820C2 (uk) 2002-10-15
ES2164865T3 (es) 2002-03-01
BR9606980A (pt) 1997-11-04
MX9705380A (es) 1997-10-31
US6111161A (en) 2000-08-29
KR100412313B1 (ko) 2004-04-28
PL321457A1 (en) 1997-12-08
EP0804394B1 (fr) 2001-09-19
FR2729660B1 (enExample) 1997-03-07
WO1996022262A1 (fr) 1996-07-25
MY117894A (en) 2004-08-30
GB9715071D0 (en) 1997-09-24
KR19980701572A (ko) 1998-05-15
CA2210926A1 (fr) 1996-07-25
EP0804394A1 (fr) 1997-11-05
JPH10512561A (ja) 1998-12-02
US6399846B1 (en) 2002-06-04
PL194690B1 (pl) 2007-06-29
CN1056361C (zh) 2000-09-13
AU4543896A (en) 1996-08-07
TW303352B (enExample) 1997-04-21
JP3793926B2 (ja) 2006-07-05
RU2167139C2 (ru) 2001-05-20
AR000755A1 (es) 1997-08-06
AU692987B2 (en) 1998-06-18
DE69615341D1 (de) 2001-10-25
FR2729660A1 (fr) 1996-07-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: VONNEMANN, KLOIBER & KOLLEGEN, 80796 MUENCHEN

8327 Change in the person/name/address of the patent owner

Owner name: IFP ENERGIES NOUVELLES, RUEIL-MALMAISON, FR

8328 Change in the person/name/address of the agent

Representative=s name: VONNEMANN, KLOIBER & KOLLEGEN, 81667 MUENCHEN