ES2107612T3 - Procedimiento para la separacion de mezclas de hidrocarburos aromaticos en c8. - Google Patents

Procedimiento para la separacion de mezclas de hidrocarburos aromaticos en c8.

Info

Publication number
ES2107612T3
ES2107612T3 ES93201693T ES93201693T ES2107612T3 ES 2107612 T3 ES2107612 T3 ES 2107612T3 ES 93201693 T ES93201693 T ES 93201693T ES 93201693 T ES93201693 T ES 93201693T ES 2107612 T3 ES2107612 T3 ES 2107612T3
Authority
ES
Spain
Prior art keywords
xylene
separation
orto
ethylbenzene
procedure
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
ES93201693T
Other languages
English (en)
Inventor
Giancarlo Paret
Renato Paludetto
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.)
Enichem SpA
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 ES2107612T3 publication Critical patent/ES2107612T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)

Abstract

SE PRESENTA UN CICLO DE PROCESAMIENTO PARA SEPARAR HIDROCARBONOS AROMATICOS C8 (5) (MEZCLAS DE ORTO-, PARA-, META-XILENO Y ETILBENCENO), EN EL CUAL SE REALIZA UNA PRIMERA SUBDIVISION (1) DE LA MEZCLA EN DOS CORRIENTES (6, 12) RESPECTIVAMENTE CONSTITUIDAS POR: PARA-XILENO Y ETILBENCENO LA PRIMERA (6); META Y ORTO-XILENO LA SEGUNDA (12), SEGUIDA POR LA SEPARACION DE LA PRIMERA CORRIENTE MEDIANTE RECTIFICACION (2), MEDIANTE LA CUAL SE OBTIENE ETILBENCENO (7) DENTRO DE LAS ESPECIFICACIONES COMO LA FRACCION SUPERIOR, ENVIANDOSE TAMBIEN LA SEGUNDA CORRIENTE (12) A UN PROCESO DE SEPARACION MEDIANTE RECTIFICACION (4), OBTENIENDOSE ORTO-XILENO (14) DENTRO DE LAS ESPECIFICACIONES COMO FRACCION INFERIOR; EL CONTENIDO POSIBLE DE ESPECIES C9 PUEDE ELIMINARSE ADICIONALMENTE MEDIANTE UNA DESTILACION SUBSECUENTE.
ES93201693T 1992-06-15 1993-06-12 Procedimiento para la separacion de mezclas de hidrocarburos aromaticos en c8. Expired - Lifetime ES2107612T3 (es)

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
ES2107612T3 true ES2107612T3 (es) 1997-12-01

Family

ID=11363511

Family Applications (1)

Application Number Title Priority Date Filing Date
ES93201693T Expired - Lifetime ES2107612T3 (es) 1992-06-15 1993-06-12 Procedimiento para la separacion de mezclas de hidrocarburos aromaticos en c8.

Country Status (9)

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

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 (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
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 (en) 1997-08-27
ITMI921462A1 (it) 1993-12-15
EP0574999A1 (en) 1993-12-22
ATE157340T1 (de) 1997-09-15
IT1262941B (it) 1996-07-22
JP3357124B2 (ja) 2002-12-16
DE69313359T2 (de) 1998-02-26
JPH0687767A (ja) 1994-03-29

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