ATE157340T1 - Verfahren zur trennung von aromatischen c8- kohlenwasserstoffmischungen - Google Patents

Verfahren zur trennung von aromatischen c8- kohlenwasserstoffmischungen

Info

Publication number
ATE157340T1
ATE157340T1 AT93201693T AT93201693T ATE157340T1 AT E157340 T1 ATE157340 T1 AT E157340T1 AT 93201693 T AT93201693 T AT 93201693T AT 93201693 T AT93201693 T AT 93201693T AT E157340 T1 ATE157340 T1 AT E157340T1
Authority
AT
Austria
Prior art keywords
xylene
separating
ethylbenzene
ortho
aromatic hydrocarbons
Prior art date
Application number
AT93201693T
Other languages
English (en)
Inventor
Giancarlo Paret
Renato Paludetto
Original Assignee
Enichem Spa
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 Enichem Spa filed Critical Enichem Spa
Application granted granted Critical
Publication of ATE157340T1 publication Critical patent/ATE157340T1/de

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00Purification; Separation; Use of additives
    • C07C7/005Processes comprising at least two steps in series

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
AT93201693T 1992-06-15 1993-06-12 Verfahren zur trennung von aromatischen c8- kohlenwasserstoffmischungen ATE157340T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI921462A IT1262941B (it) 1992-06-15 1992-06-15 Procedimento per la separazione di miscele di idrocarburi c8 aromatici

Publications (1)

Publication Number Publication Date
ATE157340T1 true ATE157340T1 (de) 1997-09-15

Family

ID=11363511

Family Applications (1)

Application Number Title Priority Date Filing Date
AT93201693T ATE157340T1 (de) 1992-06-15 1993-06-12 Verfahren zur trennung von aromatischen c8- kohlenwasserstoffmischungen

Country Status (9)

Country Link
US (1) US5510562A (de)
EP (1) EP0574999B1 (de)
JP (1) JP3357124B2 (de)
AT (1) ATE157340T1 (de)
DE (1) DE69313359T2 (de)
DK (1) DK0574999T3 (de)
ES (1) ES2107612T3 (de)
GR (1) GR3025085T3 (de)
IT (1) IT1262941B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1045286C (zh) * 1995-03-30 1999-09-29 中国石油化工总公司石油化工科学研究院 高纯度间二甲苯的制备方法
FR2833592B1 (fr) * 2001-12-19 2004-02-13 Inst Francais Du Petrole Procede de coproduction de paraxylene et d'orthoxylene comprenant deux etapes de separation
KR101704370B1 (ko) * 2008-03-18 2017-02-07 쥐티씨 테크놀로지 유에스,엘엘씨 이소프탈산 및 테레프탈산의 생산을 위한 개선된 시스템 및 방법
CN117342918B (zh) * 2023-10-13 2025-11-07 中化泉州石化有限公司 一种超高纯对二甲苯的分离提纯工艺

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3656278A (en) * 1970-06-08 1972-04-18 Mobil Oil Corp Gas chromatographic separation of aromatic mixtures
US3729523A (en) * 1971-04-14 1973-04-24 Mobil Oil Corp Recovery of isomers from aromatic mixtures
GB1330956A (en) * 1971-04-20 1973-09-19 Bp Chem Int Ltd Hydrocarbon separation process
US3698157A (en) * 1971-06-01 1972-10-17 Mobil Oil Corp Separation of mixtures with modified zeolites
US3770841A (en) * 1971-06-25 1973-11-06 Mobil Oil Corp Separation of aromatic mixtures
GB1354716A (en) * 1971-10-01 1974-06-05 Universal Oil Prod Co Process for the production and recovery of ortho-xylene para- xylene and ethylbenzene
FR2217300A1 (en) * 1973-11-23 1974-09-06 Mobil Oil Arom isomers esp xylene sepn - by a concurrent adsorption and desorption process using zeolites
EP0003662A3 (de) * 1978-02-03 1979-09-05 Hochiki Corporation Feueralarmsystem in Einzelstation und ein Multivibrator in der Detektorschaltung
NL7801367A (nl) * 1978-02-07 1979-08-09 Shell Int Research Werkwijze voor de bereiding en afscheiding van p-xyleen.
US4585526A (en) * 1984-04-11 1986-04-29 Lloyd Berg Separation of m-xylene from o-xylene by extractive distillation

Also Published As

Publication number Publication date
DE69313359D1 (de) 1997-10-02
GR3025085T3 (en) 1998-01-30
ITMI921462A0 (it) 1992-06-12
US5510562A (en) 1996-04-23
DK0574999T3 (da) 1998-02-16
EP0574999B1 (de) 1997-08-27
ITMI921462A1 (it) 1993-12-15
ES2107612T3 (es) 1997-12-01
EP0574999A1 (de) 1993-12-22
IT1262941B (it) 1996-07-22
JP3357124B2 (ja) 2002-12-16
DE69313359T2 (de) 1998-02-26
JPH0687767A (ja) 1994-03-29

Similar Documents

Publication Publication Date Title
PT92199A (pt) Processo de separacao por adsorcao de para-xileno com tetralina
ATE266612T1 (de) Verfahren zur destillierung in einer kolonne mit trennwand von gesättigten kohlenwasserstoffen, die durch isomerisierung erhalten werden
DE69413667D1 (de) Einsäule Extraktivdestillation zur Trennung von aromatischen Kohlenwasserstoffen aus einem Kohlenwasserstoffgemisch
DE59300563D1 (de) Verfahren zur Trennung von Ethylbenzol/Styrol durch Destillation eines flüssigen, überwiegend aus Styrol und Ethylbenzol bestehenden Gemisches.
CA2055233A1 (en) Improved mixed aldehyde product separation
CA2269554A1 (en) A zeolite-based ethylbenzene process adaptable to an aluminum chloride-based ethylbenzene plant
ZA868851B (en) Process for removing oxygenated impurities from hydrocarbon streams
DE69207241D1 (de) Verfahren zur Trennung von Butenen und Butanen durch Extractive Destillation
ATE188463T1 (de) Isomerisierung von c8-aromaten mit hilfe eines katalysators der ein modifiziertes, aus silico- alumino-phosphat aufgebautes molekularsieb, enthält
ATE26694T1 (de) Verfahren zur abtrennung von aromaten aus kohlenwasserstoffgemischen beliebigen aromatengehaltes.
ATE157340T1 (de) Verfahren zur trennung von aromatischen c8- kohlenwasserstoffmischungen
ATE66447T1 (de) Verfahren zur gewinnung von 1,3-butadien.
ES537501A0 (es) Procedimiento para separar aromaticos de mezclas de hidrocarburos de cualquier contenido en aromaticos
ES389498A2 (es) Procedimiento para fraccionar mezclas de hidrocarburos aro- maticos c8 predominantemente, que contienen etilbenceno y xilenos, en fracciones de componentes.
DE3360808D1 (en) Process for separating hydrocarbon mixtures by extractive distillation
DE69837351D1 (de) Dehydrocyklizierungsverfahren mit abwärts strömender entfernung von dimethylbutan
DE60102641D1 (de) Verfahren zur Herstellung von 2,6-Dimethylnaphthalin
DE59203070D1 (de) Verfahren zur Abtrennung von Aromaten durch Extraktivdestillation.
ATE88689T1 (de) Verfahren zur rueckgewinnung von trimethylbenzolen aus den enthaltenden mischungen.
ATE14300T1 (de) Verfahren zur katalytischen kondensation von propen mit bildung eines propanproduktstromes.
JPS579727A (en) Converting method of xylene containing ethylbenzene
ES2069180T3 (es) Mezclas liquidas de hidrocarburos con elevadas fracciones aromaticas mono y biciclicas.
MY106276A (en) Adsorptive separation of para-xylene using a tetralin desorbent.
MY105009A (en) Adsorptive separation of para-xylene using diethylotoluene desorbent.
DE69001154D1 (de) Verfahren zur trennung von zwei isomeren und ihre verwendung bei der reinigung von 1-phenyl-2-bromethan.

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee