[go: up one dir, main page]

IT1271279B - Processo per il recupero di fenolo da un flusso acquoso contenente na2 so4 - Google Patents

Processo per il recupero di fenolo da un flusso acquoso contenente na2 so4

Info

Publication number
IT1271279B
IT1271279B ITMI942529A ITMI942529A IT1271279B IT 1271279 B IT1271279 B IT 1271279B IT MI942529 A ITMI942529 A IT MI942529A IT MI942529 A ITMI942529 A IT MI942529A IT 1271279 B IT1271279 B IT 1271279B
Authority
IT
Italy
Prior art keywords
phenol
recovery
water flow
flow containing
water
Prior art date
Application number
ITMI942529A
Other languages
English (en)
Inventor
Vanni Alessi
Sabrina Astori
Francesco Celin
Cecilia Gradella
Renzo Penzo
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
Priority to ITMI942529A priority Critical patent/IT1271279B/it
Publication of ITMI942529A0 publication Critical patent/ITMI942529A0/it
Priority to ES95118762T priority patent/ES2136784T3/es
Priority to EP95118762A priority patent/EP0717024B1/en
Priority to DE69511829T priority patent/DE69511829T2/de
Priority to US08/566,991 priority patent/US5811598A/en
Priority to FI955952A priority patent/FI120790B/fi
Publication of ITMI942529A1 publication Critical patent/ITMI942529A1/it
Application granted granted Critical
Publication of IT1271279B publication Critical patent/IT1271279B/it

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)
ITMI942529A 1994-12-15 1994-12-15 Processo per il recupero di fenolo da un flusso acquoso contenente na2 so4 IT1271279B (it)

Priority Applications (6)

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
ES95118762T ES2136784T3 (es) 1994-12-15 1995-11-29 Procedimiento para la recuperacion de fenol a partir de una corriente acuosa que contiene na2so4.
EP95118762A EP0717024B1 (en) 1994-12-15 1995-11-29 Process for the recovery of phenol from an aqueous stream containing Na2So4
DE69511829T DE69511829T2 (de) 1994-12-15 1995-11-29 Verfahren zur Gewinnung von Phenol aus einem Na2So4 enthaltenden wässrigen Strom
US08/566,991 US5811598A (en) 1994-12-15 1995-12-04 Process for the recovery of phenol from an aqueous stream containing NA.sub. SO4
FI955952A FI120790B (fi) 1994-12-15 1995-12-12 Menetelmä fenolin talteenottamiseksi Na2S04-pitoisesta vesivirrasta

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 (3)

Publication Number Publication Date
ITMI942529A0 ITMI942529A0 (it) 1994-12-15
ITMI942529A1 ITMI942529A1 (it) 1996-06-15
IT1271279B true IT1271279B (it) 1997-05-27

Family

ID=11369996

Family Applications (1)

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

Country Status (6)

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

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
AU2003247583A1 (en) * 2003-06-20 2005-01-28 Sunoco, Inc. (R And M) Method for recovery of phenol from aqueous streams
ES2565855T3 (es) * 2007-12-20 2016-04-07 Borealis Technology Oy Proceso para recuperación de compuestos orgánicos a partir de una corriente de agua residual

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
ITMI942529A1 (it) 1996-06-15
DE69511829D1 (de) 1999-10-07
FI120790B (fi) 2010-03-15
EP0717024A1 (en) 1996-06-19
ES2136784T3 (es) 1999-12-01
US5811598A (en) 1998-09-22
DE69511829T2 (de) 2000-04-27
FI955952A0 (fi) 1995-12-12
ITMI942529A0 (it) 1994-12-15
FI955952L (fi) 1996-06-16
EP0717024B1 (en) 1999-09-01

Similar Documents

Publication Publication Date Title
BR9101230A (pt) Aparelho e processo de purificacao de um fluido
FI941866L (fi) Menetelmä liuoksen fraktioimiseksi
HU9500119D0 (en) Integrated distillate recovery process
BR9507015A (pt) formaçao terrestre Processo de produçao de um fluido a partir de uma
EP0684066A3 (en) Process for the recovery of a light element from a diluted raw gas.
BR9301640A (pt) Processo de extracao de fenol a partir do subproduto de alcatrao de fenol
FI954677L (fi) Paperinvalmistusprosessi
FI945376L (fi) Menetelmä liuosten värin poistamiseksi
FI942982A7 (fi) Menetelmä massan pesun tehokkuuden parantamiseksi
FI964785L (fi) Menetelmä polyhydroksialkanoaattien talteenottamiseksi käyttäen keskipakofraktiointia
IT1271279B (it) Processo per il recupero di fenolo da un flusso acquoso contenente na2 so4
DE69610785D1 (de) Verbesserter Wiederherstellungsprozess
DE59506110D1 (de) Pflanzstab-fixiereinrichtung
BR9408532A (pt) Processo para a cocção contínua de polpa química
FI945783A7 (fi) Menetelmä pesun tehostamiseksi
ITTO950442A0 (it) Metodo e apparecchio per il lavaggio di un filtro per dialisi.
NO953912L (no) Brönnbetjeningsfluider
HUP9900366A3 (en) Liquid medium extraction purification method
FI953539L (fi) Menetelmä selluloosan jäteliuoksen talteenottamiseksi
FI954113A0 (fi) Menetelmä ligniinin poistamiseksi kemiallisesta paperimassasta
FI970707A7 (fi) Sulfiittikeittomenetelmä
ES551239A0 (es) Un metodo y su correspondiente sistema para la recuperacion de productos quimicos de licores de sulfato.
PT101458A (pt) Processo para a dessalinizacao de agua
FI961888A7 (fi) Menetelmä massanvalmistuksen prosessiveden puhdistamiseksi
EP0662339A3 (en) Method for removing water from gases.

Legal Events

Date Code Title Description
0001 Granted