ES2136784T3 - Procedimiento para la recuperacion de fenol a partir de una corriente acuosa que contiene na2so4. - Google Patents

Procedimiento para la recuperacion de fenol a partir de una corriente acuosa que contiene na2so4.

Info

Publication number
ES2136784T3
ES2136784T3 ES95118762T ES95118762T ES2136784T3 ES 2136784 T3 ES2136784 T3 ES 2136784T3 ES 95118762 T ES95118762 T ES 95118762T ES 95118762 T ES95118762 T ES 95118762T ES 2136784 T3 ES2136784 T3 ES 2136784T3
Authority
ES
Spain
Prior art keywords
phenol
recovery
procedure
water current
extraction
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
ES95118762T
Other languages
English (en)
Inventor
Vanni Alessi
Sabrina Astori
Francesco Celin
Cecilia Gradella
Renzo Penzo
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 ES2136784T3 publication Critical patent/ES2136784T3/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
    • C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
    • C07C37/70—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
    • C07C37/72—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by liquid-liquid treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

ESTA INVENCION SE REFIERE A UN PROCEDIMIENTO PARA LA RECUPERACION DEL FENOL DISUELTO EN UNA CORRIENTE ACUOSA DE UNA PLANTA DE PRODUCCION DE FENOL A PARTIR DE CUMENO, QUE CONTIENE NA{SUB,S}SO{SUB,4} Y VARIAS IMPUREZAS ORGANICAS QUE CONSISTE EN LA EXTRACCION DEL FENOL CON UN SOLVENTE Y LA RECUPERACION SUBSIGUIENTE DEL PRODUCTO EXTRAIDO MEDIANTE DESTILACION O REEXTRACCION Y QUE SE CARACTERIZA PORQUE LA EXTRACCION DEL FENOL DE LA CORRIENTE ACUOSA SE LLEVA A CABO EN UN EXTRACTOR DE MULTIPLES ETAPAS, QUE HACE USO DE UNA RELACION DE PRODUCTO EXTRAIDO/PRODUCTO REFINADO DE ENTRE 0,1 Y 1 V/V Y A UNA TEMPERATURA DE ENTRE 20 (GRADOS) Y 70 (GRADOS) C.
ES95118762T 1994-12-15 1995-11-29 Procedimiento para la recuperacion de fenol a partir de una corriente acuosa que contiene na2so4. Expired - Lifetime ES2136784T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI942529A IT1271279B (it) 1994-12-15 1994-12-15 Processo per il recupero di fenolo da un flusso acquoso contenente na2 so4

Publications (1)

Publication Number Publication Date
ES2136784T3 true ES2136784T3 (es) 1999-12-01

Family

ID=11369996

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95118762T Expired - Lifetime ES2136784T3 (es) 1994-12-15 1995-11-29 Procedimiento para la recuperacion de fenol a partir de una corriente acuosa que contiene na2so4.

Country Status (6)

Country Link
US (1) US5811598A (es)
EP (1) EP0717024B1 (es)
DE (1) DE69511829T2 (es)
ES (1) ES2136784T3 (es)
FI (1) FI120790B (es)
IT (1) IT1271279B (es)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI980864A1 (it) * 1998-04-23 1999-10-23 Enichem Spa Processo per l'estrazione dei sali contenuti nel prodotto scisso neutralizzato ottenuto nella preparazione di fenolo via ossidazione
US6965056B1 (en) * 1999-05-03 2005-11-15 Shell Oil Company Removal of salts in the manufacture of phenolic compound
US6667178B2 (en) * 2001-05-07 2003-12-23 Sunoco, Inc. (R&M) Optimization of caustic usage
US6620980B1 (en) * 2002-04-12 2003-09-16 Sunoco Inc (R&M) Method for recovery of phenol from aqueous streams
US6824687B2 (en) 2002-11-20 2004-11-30 Abb Lummus Global Inc. Extraction of phenol from wastewater
CN1675153A (zh) * 2003-06-20 2005-09-28 桑诺克公司(R&M) 从含水物流中回收苯酚的方法
WO2009080875A2 (en) * 2007-12-20 2009-07-02 Borealis Technology Oy Recovery of organic compounds from a wastewater stream

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1075119B (de) * 1960-02-11 Phenolchemie Gesellschaft mit bt. schrankter Haftung, Gladbeck (Westf) Verfahren zum Entphenolen von Abwassern
AT321830B (de) * 1972-07-20 1975-04-25 Phenolchemie Ges Mit Beschraen Verfahren zur Entphenolung von Abwässern
US4026791A (en) * 1975-10-02 1977-05-31 Pullman Incorporated Treatment of aqueous waste
JPS5594326A (en) * 1979-01-11 1980-07-17 Mitsui Petrochem Ind Ltd Preparation of phenol
US4298765A (en) * 1980-03-26 1981-11-03 Allied Corporation Purification of phenol with reduced energy consumption
US4504364A (en) * 1982-06-28 1985-03-12 The Lummus Company Phenol purification
US4559110A (en) * 1983-07-11 1985-12-17 The Dow Chemical Company Acetophenone recovery and purification
US4634796A (en) * 1985-03-25 1987-01-06 Lummus Crest, Inc. Production of high purity phenol
IT1227668B (it) * 1988-12-02 1991-04-23 Montedipe S P A M Processo per il recupero del fenolo da uno spurgo di rettifica
US5240568A (en) * 1991-08-29 1993-08-31 Allied-Signal Inc. Removal of acetophenone from phenol purification residues

Also Published As

Publication number Publication date
US5811598A (en) 1998-09-22
FI955952L (fi) 1996-06-16
EP0717024A1 (en) 1996-06-19
DE69511829T2 (de) 2000-04-27
FI120790B (fi) 2010-03-15
EP0717024B1 (en) 1999-09-01
DE69511829D1 (de) 1999-10-07
FI955952A0 (fi) 1995-12-12
IT1271279B (it) 1997-05-27
ITMI942529A1 (it) 1996-06-15
ITMI942529A0 (it) 1994-12-15

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