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 so4Info
- 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
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)
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. |
DE69511829T DE69511829T2 (de) | 1994-12-15 | 1995-11-29 | Verfahren zur Gewinnung von Phenol aus einem Na2So4 enthaltenden wässrigen Strom |
EP95118762A EP0717024B1 (en) | 1994-12-15 | 1995-11-29 | Process for the recovery of phenol from an aqueous stream containing Na2So4 |
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)
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 |
JP2006503923A (ja) * | 2003-06-20 | 2006-02-02 | スノコ, インコーポレイテッド(アール アンド エム) | 水溶液からフェノールを回収する方法 |
EP2247535B1 (en) * | 2007-12-20 | 2016-03-02 | Borealis Technology Oy | Process for recovery of organic compounds from a wastewater stream |
Family Cites Families (10)
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 |
-
1994
- 1994-12-15 IT ITMI942529A patent/IT1271279B/it active IP Right Grant
-
1995
- 1995-11-29 ES ES95118762T patent/ES2136784T3/es not_active Expired - Lifetime
- 1995-11-29 EP EP95118762A patent/EP0717024B1/en not_active Expired - Lifetime
- 1995-11-29 DE DE69511829T patent/DE69511829T2/de not_active Expired - Lifetime
- 1995-12-04 US US08/566,991 patent/US5811598A/en not_active Expired - Lifetime
- 1995-12-12 FI FI955952A patent/FI120790B/fi not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FI120790B (fi) | 2010-03-15 |
ES2136784T3 (es) | 1999-12-01 |
EP0717024B1 (en) | 1999-09-01 |
DE69511829D1 (de) | 1999-10-07 |
ITMI942529A1 (it) | 1996-06-15 |
ITMI942529A0 (it) | 1994-12-15 |
FI955952A (fi) | 1996-06-16 |
FI955952A0 (fi) | 1995-12-12 |
DE69511829T2 (de) | 2000-04-27 |
US5811598A (en) | 1998-09-22 |
EP0717024A1 (en) | 1996-06-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted |