ITMI921462A1 - Procedimento per la separazione di miscele di idrocarburi c8 aromatici - Google Patents

Procedimento per la separazione di miscele di idrocarburi c8 aromatici

Info

Publication number
ITMI921462A1
ITMI921462A1 IT001462A ITMI921462A ITMI921462A1 IT MI921462 A1 ITMI921462 A1 IT MI921462A1 IT 001462 A IT001462 A IT 001462A IT MI921462 A ITMI921462 A IT MI921462A IT MI921462 A1 ITMI921462 A1 IT MI921462A1
Authority
IT
Italy
Prior art keywords
separation
xylene
mixtures
ethylbenzene
ortho
Prior art date
Application number
IT001462A
Other languages
English (en)
Inventor
Ernesto Occhiello
Giancarlo Paret
Original Assignee
Enichem Spa
Donegani Guido Ist
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
Publication of ITMI921462A0 publication Critical patent/ITMI921462A0/it
Application filed by Enichem Spa, Donegani Guido Ist filed Critical Enichem Spa
Priority to ITMI921462A priority Critical patent/IT1262941B/it
Priority to ES93201693T priority patent/ES2107612T3/es
Priority to EP93201693A priority patent/EP0574999B1/en
Priority to AT93201693T priority patent/ATE157340T1/de
Priority to DK93201693.4T priority patent/DK0574999T3/da
Priority to DE69313359T priority patent/DE69313359T2/de
Priority to US08/076,580 priority patent/US5510562A/en
Priority to JP14379393A priority patent/JP3357124B2/ja
Publication of ITMI921462A1 publication Critical patent/ITMI921462A1/it
Application granted granted Critical
Publication of IT1262941B publication Critical patent/IT1262941B/it
Priority to GR970402726T priority patent/GR3025085T3/el

Links

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

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)
ITMI921462A 1992-06-15 1992-06-15 Procedimento per la separazione di miscele di idrocarburi c8 aromatici IT1262941B (it)

Priority Applications (9)

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
DK93201693.4T DK0574999T3 (da) 1992-06-15 1993-06-12 Fremgangsmåde til adskillelse af blandinger af aromatiske C8-carbonhydrider
EP93201693A EP0574999B1 (en) 1992-06-15 1993-06-12 Process for separating mixtures of aromatic C8 hydrocarbons
AT93201693T ATE157340T1 (de) 1992-06-15 1993-06-12 Verfahren zur trennung von aromatischen c8- kohlenwasserstoffmischungen
ES93201693T ES2107612T3 (es) 1992-06-15 1993-06-12 Procedimiento para la separacion de mezclas de hidrocarburos aromaticos en c8.
DE69313359T DE69313359T2 (de) 1992-06-15 1993-06-12 Verfahren zur Trennung von aromatischen C8-Kohlenwasserstoffmischungen
US08/076,580 US5510562A (en) 1992-06-15 1993-06-14 Process for separating mixtures of aromatic C8 hydrocarbons
JP14379393A JP3357124B2 (ja) 1992-06-15 1993-06-15 Ｃ８芳香族炭化水素混合物の分離法
GR970402726T GR3025085T3 (en) 1992-06-15 1997-10-17 Process for separating mixtures of aromatic C8 hydrocarbons

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 (3)

Publication Number Publication Date
ITMI921462A0 ITMI921462A0 (it) 1992-06-12
ITMI921462A1 true ITMI921462A1 (it) 1993-12-15
IT1262941B IT1262941B (it) 1996-07-22

Family

ID=11363511

Family Applications (1)

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

Country Status (9)

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

Families Citing this family (3)

* 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
US9040746B2 (en) * 2008-03-18 2015-05-26 Gtc Technology Us, Llc Systems and processes for the production of isophthalic acid and terephthalic acid

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 (en) * 1978-02-03 1979-09-05 Hochiki Corporation Single station type fire alarm system and a multivibrator used in the detection circuitry
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
ATE157340T1 (de) 1997-09-15
ES2107612T3 (es) 1997-12-01
JP3357124B2 (ja) 2002-12-16
GR3025085T3 (en) 1998-01-30
EP0574999B1 (en) 1997-08-27
US5510562A (en) 1996-04-23
DE69313359D1 (de) 1997-10-02
EP0574999A1 (en) 1993-12-22
DK0574999T3 (da) 1998-02-16
IT1262941B (it) 1996-07-22
DE69313359T2 (de) 1998-02-26
ITMI921462A0 (it) 1992-06-12
JPH0687767A (ja) 1994-03-29

Similar Documents

Publication Publication Date Title
TR25914A (tr) DIETILTOLUEN CIKARICI KULLANARAK PARA-KSILENIN YüZE ICICI AYRILMASI
ES456068A1 (es) Un procedimiento combinado de separacion de xilenos y tran- salcohilacion de tolueno.
DE60103230D1 (de) Verfahren zur Destillierung in einer Kolonne mit Trennwand von gesättigten Kohlenwasserstoffen, die durch Isomerisierung erhalten werden
CA2055233A1 (en) Improved mixed aldehyde product separation
ATE188463T1 (de) Isomerisierung von c8-aromaten mit hilfe eines katalysators der ein modifiziertes, aus silico- alumino-phosphat aufgebautes molekularsieb, enthält
DE69207241D1 (de) Verfahren zur Trennung von Butenen und Butanen durch Extractive Destillation
ITMI921462A1 (it) Procedimento per la separazione di miscele di idrocarburi c8 aromatici
FR2673178B1 (fr) Procede de separation de butanes et de butenes par distillation extractive.
ES389498A2 (es) Procedimiento para fraccionar mezclas de hidrocarburos aro- maticos c8 predominantemente, que contienen etilbenceno y xilenos, en fracciones de componentes.
US4031153A (en) Separation of styrene from xylenes
US20030130556A1 (en) Coproduction process for para-xylene and ortho-xylene comprising two separation steps
ES429116A1 (es) Un procedimiento para obtener un producto de para-dietil- benceno a partir de un material de alimentacion hidrocarbo- nado.
ES8406402A1 (es) Procedimiento para la separacion de mezclas de hidrocarburos aromaticos.
EP0505723A3 (en) Process for the separation of aromatics by extractive distillation
GB943890A (en) Improvements in or relating to the distillation of c aromatic hydrocarbons
JPS579727A (en) Converting method of xylene containing ethylbenzene
JPS5732233A (en) Isomerization of xylene
GB1452177A (en) Method of extracting pure aromatic hydrocarbons
AU1300483A (en) Catalytic condensation process with propane product
ES2069180T3 (es) Mezclas liquidas de hidrocarburos con elevadas fracciones aromaticas mono y biciclicas.
MY105009A (en) Adsorptive separation of para-xylene using diethylotoluene desorbent.
DE3370317D1 (en) A process for separating ethylbenzene from feedstream containing meta-xylene using a zeolite adsorbent
GB1144067A (en) Processes for separating m-xylene from mixture of xylene isomers
JPS57200320A (en) Preparation of chlorotoluene isomer
JPS55111423A (en) Separation of cyclohexene

Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970530