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

Verfahren zur trennung von aromatischen c8- kohlenwasserstoffmischungen

Info

Publication number: ATE157340T1
Authority: AT; Austria
Prior art keywords: xylene; separating; ethylbenzene; ortho; aromatic hydrocarbons
Prior art date: 1992-06-15

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.)

1992-06-15

Filing date

1993-06-12

Publication date

1997-09-15

1993-06-12 Application filed by Enichem Spa filed Critical Enichem Spa

1997-09-15 Application granted granted Critical

1997-09-15 Publication of ATE157340T1 publication Critical patent/ATE157340T1/de

Links

239000000203 mixture Substances 0.000 title abstract 3
150000004945 aromatic hydrocarbons Chemical class 0.000 title 1
YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 abstract 6
CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical group CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 abstract 4
IVSZLXZYQVIEFR-UHFFFAOYSA-N m-xylene Chemical group CC1=CC=CC(C)=C1 IVSZLXZYQVIEFR-UHFFFAOYSA-N 0.000 abstract 4
URLKBWYHVLBVBO-UHFFFAOYSA-N Para-Xylene Chemical group CC1=CC=C(C)C=C1 URLKBWYHVLBVBO-UHFFFAOYSA-N 0.000 abstract 2
238000000926 separation method Methods 0.000 abstract 2
238000004821 distillation Methods 0.000 abstract 1

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)

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
BRPI0909130A2 (pt) *	2008-03-18	2015-11-24	Gtc Technology Lp	sistemas e processos para a produção de ácido isoftálico e de ácido tereftálico
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
US4300132A (en) *	1978-02-03	1981-11-10	Hochiki Corporation	Fire alarm system
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

1992
- 1992-06-15 IT ITMI921462A patent/IT1262941B/it active IP Right Grant
1993
- 1993-06-12 DE DE69313359T patent/DE69313359T2/de not_active Expired - Lifetime
- 1993-06-12 AT AT93201693T patent/ATE157340T1/de not_active IP Right Cessation
- 1993-06-12 ES ES93201693T patent/ES2107612T3/es not_active Expired - Lifetime
- 1993-06-12 EP EP93201693A patent/EP0574999B1/de not_active Expired - Lifetime
- 1993-06-12 DK DK93201693.4T patent/DK0574999T3/da active
- 1993-06-14 US US08/076,580 patent/US5510562A/en not_active Expired - Lifetime
- 1993-06-15 JP JP14379393A patent/JP3357124B2/ja not_active Expired - Lifetime
1997
- 1997-10-17 GR GR970402726T patent/GR3025085T3/el unknown

Also Published As

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

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Legal Events

Date	Code	Title	Description
1998-03-15	UEP	Publication of translation of european patent specification
2004-03-15	REN	Ceased due to non-payment of the annual fee