DE69512227D1 - Einstufiges kristallisationsverfahren bei konstanter temperatur zur rückgewinnung von paraxylol - Google Patents

Einstufiges kristallisationsverfahren bei konstanter temperatur zur rückgewinnung von paraxylol

Info

Publication number
DE69512227D1
DE69512227D1 DE69512227T DE69512227T DE69512227D1 DE 69512227 D1 DE69512227 D1 DE 69512227D1 DE 69512227 T DE69512227 T DE 69512227T DE 69512227 T DE69512227 T DE 69512227T DE 69512227 D1 DE69512227 D1 DE 69512227D1
Authority
DE
Germany
Prior art keywords
paraxylol
recovery
constant temperature
crystalization process
crystalization
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
DE69512227T
Other languages
English (en)
Other versions
DE69512227T2 (de
Inventor
Alexander Fremuth
William D Eccli
John Pickering
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.)
ExxonMobil Oil Corp
Original Assignee
Mobil Oil 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 Mobil Oil Corp filed Critical Mobil Oil Corp
Publication of DE69512227D1 publication Critical patent/DE69512227D1/de
Application granted granted Critical
Publication of DE69512227T2 publication Critical patent/DE69512227T2/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
    • C07C15/02—Monocyclic hydrocarbons
    • C07C15/067—C8H10 hydrocarbons
    • C07C15/08—Xylenes
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C6/00—Preparation of hydrocarbons from hydrocarbons containing a different number of carbon atoms by redistribution reactions
    • C07C6/08—Preparation of hydrocarbons from hydrocarbons containing a different number of carbon atoms by redistribution reactions by conversion at a saturated carbon-to-carbon bond
    • C07C6/12—Preparation of hydrocarbons from hydrocarbons containing a different number of carbon atoms by redistribution reactions by conversion at a saturated carbon-to-carbon bond of exclusively hydrocarbons containing a six-membered aromatic ring
    • C07C6/123—Preparation of hydrocarbons from hydrocarbons containing a different number of carbon atoms by redistribution reactions by conversion at a saturated carbon-to-carbon bond of exclusively hydrocarbons containing a six-membered aromatic ring of only one hydrocarbon
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
DE69512227T 1994-04-04 1995-03-20 Einstufiges kristallisationsverfahren bei konstanter temperatur zur rückgewinnung von paraxylol Expired - Fee Related DE69512227T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/223,063 US5498822A (en) 1994-04-04 1994-04-04 Single temperature stage crystallization of paraxylene
PCT/US1995/003519 WO1995026947A1 (en) 1994-04-04 1995-03-20 Single temperature stage crystalization to recover paraxylene

Publications (2)

Publication Number Publication Date
DE69512227D1 true DE69512227D1 (de) 1999-10-21
DE69512227T2 DE69512227T2 (de) 1999-12-30

Family

ID=22834861

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69512227T Expired - Fee Related DE69512227T2 (de) 1994-04-04 1995-03-20 Einstufiges kristallisationsverfahren bei konstanter temperatur zur rückgewinnung von paraxylol

Country Status (10)

Country Link
US (1) US5498822A (de)
EP (1) EP0754169B1 (de)
JP (1) JPH09511504A (de)
KR (1) KR100332947B1 (de)
AU (1) AU684976B2 (de)
CA (1) CA2186456C (de)
DE (1) DE69512227T2 (de)
ES (1) ES2135721T3 (de)
TW (1) TW323268B (de)
WO (1) WO1995026947A1 (de)

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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
US5811629A (en) * 1995-09-22 1998-09-22 Raytheon Engineers & Constructors, Inc. Crystallization process for purification of paraxylene
US5961545A (en) * 1997-01-17 1999-10-05 Meadox Medicals, Inc. EPTFE graft-stent composite device
US5971907A (en) * 1998-05-19 1999-10-26 Bp Amoco Corporation Continuous centrifugal separator with tapered internal feed distributor
US6398947B2 (en) 1999-09-27 2002-06-04 Exxon Mobil Oil Corporation Reformate upgrading using zeolite catalyst
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
US7249469B2 (en) * 2004-11-18 2007-07-31 Exxonmobil Chemical Patents Inc. Method for separating a multicomponent stream
US7812206B2 (en) * 2006-03-21 2010-10-12 Bp Corporation North America Inc. Apparatus and process for the separation of solids and liquids
CN103288569B (zh) 2007-04-04 2015-09-23 埃克森美孚化学专利公司 对二甲苯生产的方法和装置
US8530716B2 (en) * 2008-08-14 2013-09-10 Bp Corporation North America Inc. Melt-crystallization separation and purification process
WO2010059317A2 (en) 2008-11-19 2010-05-27 Exxonmobil Chemical Patents Inc. Separation process
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
CN101941882B (zh) * 2009-07-06 2013-07-31 中国石油化工股份有限公司 由混合二甲苯分离对二甲苯的方法
CN102371081B (zh) * 2010-08-23 2013-12-04 中国石油化工股份有限公司 带细晶消除的结晶方法
CN102371080B (zh) * 2010-08-23 2013-12-04 中国石油化工股份有限公司 晶浆外循环的结晶方法
CN102371082B (zh) * 2010-08-23 2013-08-21 中国石油化工股份有限公司 带清母液溢流的结晶方法
CN102701899A (zh) * 2012-06-21 2012-10-03 大连理工大学 甲苯甲醇烷基化生产对二甲苯节能减排工艺
CN103664491B (zh) * 2012-09-05 2015-07-08 中国石油化工股份有限公司 对二甲苯的生产方法
CN103772130B (zh) * 2012-10-25 2015-10-21 中国石油化工股份有限公司 分离对二甲苯的结晶方法
CN104230638B (zh) * 2013-06-17 2016-04-13 中国石油化工股份有限公司 悬浮结晶生产对二甲苯的方法
CN104230639B (zh) * 2013-06-17 2016-06-08 中国石油化工股份有限公司 悬浮结晶分离对二甲苯的方法
CN104557424B (zh) * 2013-10-28 2016-09-07 中国石油化工股份有限公司 多级悬浮结晶分离对二甲苯的方法
CN104557433B (zh) * 2013-10-28 2017-08-25 中国石油化工股份有限公司 多级悬浮结晶生产对二甲苯的方法
EP3077104B1 (de) 2014-06-06 2018-11-07 Northwestern University Kohlenhydratvermittelte reinigung von petrochemikalien
CN106831303A (zh) * 2015-12-03 2017-06-13 中国石油化工股份有限公司 分离对二甲苯的多级悬浮熔融结晶方法
CN106831301B (zh) * 2015-12-03 2020-06-09 中国石油化工股份有限公司 多级悬浮熔融结晶分离对二甲苯的方法
CN106831302B (zh) * 2015-12-03 2019-09-06 中国石油化工股份有限公司 悬浮熔融结晶生产对二甲苯的方法
CN106831311A (zh) * 2015-12-03 2017-06-13 中国石油化工股份有限公司 生产对二甲苯的多级悬浮熔融结晶方法
CN106831312A (zh) * 2015-12-03 2017-06-13 中国石油化工股份有限公司 悬浮熔融结晶分离对二甲苯的方法
US20220274900A1 (en) 2019-08-23 2022-09-01 Exxonmobil Chemical Patents Inc. Processes for Isomerizing C8 Aromatic Hydrocarbons
WO2021041022A1 (en) 2019-08-23 2021-03-04 Exxonmobil Chemical Patents Inc. Processes for isomerizing c8 aromatic hydrocarbons using serial reactors

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BE499776A (de) * 1947-08-26
US2766309A (en) * 1952-05-23 1956-10-09 Exxon Research Engineering Co Wash technique for paraxylene process
NL278713A (de) * 1961-05-22
US3462509A (en) * 1967-05-22 1969-08-19 Sinclair Research Inc Separation of p-xylene from a c8 aromatic hydrocarbon mixture by crystallization
GB1292812A (en) * 1969-02-10 1972-10-11 Ici Ltd Separation process
DE1934721C3 (de) * 1969-07-09 1974-01-17 Fried. Krupp Gmbh, 4300 Essen Verfahren zum Abtrennen von Flüssigkeitsfilmen von p-Xylol-Kristallen
DE1949446A1 (de) * 1969-10-01 1972-02-03 Krupp Gmbh Verfahren zur Gewinnung von reinem p-Xylol
US3662013A (en) * 1970-02-03 1972-05-09 Mobil Oil Corp Single stage crystallization process for separating high purity paraxylene
US3916018A (en) * 1973-03-26 1975-10-28 Atlantic Richfield Co Separation of paraxylene
DE2509182A1 (de) * 1974-03-11 1975-10-02 Standard Oil Co Einstufiges kristallisationsverfahren zur gewinnung von hochgereinigtem p-xylol
US4851604A (en) * 1987-09-02 1989-07-25 Mobil Oil Corp. Toluene disproportionation
DE3839229A1 (de) * 1988-11-19 1990-05-23 Krupp Koppers Gmbh Verfahren zur gewinnung von p-xylol mit einer reinheit von mehr als 99,8 gew.-%
EP0451941B1 (de) * 1990-03-21 1993-06-30 Mobil Oil Corporation Katalysator und Verfahren zur selektiven Herstellung von Paradialkyl-substituierten Benzolen
US5173461A (en) * 1990-03-21 1992-12-22 Mobil Oil Corporation Toluene disproportionation catalyst
US5243117A (en) * 1990-06-05 1993-09-07 Mobil Oil Corp. Catalyst and process for the selective production of para-dialkyl substituted benzenes
US5321183A (en) * 1992-03-12 1994-06-14 Mobil Oil Corp. Process for the regioselective conversion of aromatics to para-disubstituted benzenes
US5367099A (en) * 1993-05-28 1994-11-22 Mobil Oil Corp. Selective toluene disproportionation process (STDP) with ex situ selectivated zeolite catalyst
US5365004A (en) * 1993-05-28 1994-11-15 Mobil Oil Corp. Selective toluene disproportionation process (STDP) with ex situ selectivated zeolite catalysts
US5448005A (en) * 1994-04-04 1995-09-05 Mobil Oil Corporation Crystallization of paraxlene from high purity paraxylene feeds

Also Published As

Publication number Publication date
CA2186456A1 (en) 1995-10-12
EP0754169A1 (de) 1997-01-22
AU2189195A (en) 1995-10-23
EP0754169B1 (de) 1999-09-15
TW323268B (de) 1997-12-21
WO1995026947A1 (en) 1995-10-12
KR100332947B1 (ko) 2002-09-17
ES2135721T3 (es) 1999-11-01
EP0754169A4 (de) 1996-12-10
CA2186456C (en) 2006-05-30
AU684976B2 (en) 1998-01-08
US5498822A (en) 1996-03-12
JPH09511504A (ja) 1997-11-18
DE69512227T2 (de) 1999-12-30
KR970702231A (ko) 1997-05-13

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