CO4790158A1 - ELECTROSTATIC COMBINATION. METHODS TO SEGREGATE A DIS- PERSION. - Google Patents
ELECTROSTATIC COMBINATION. METHODS TO SEGREGATE A DIS- PERSION.Info
- Publication number
- CO4790158A1 CO4790158A1 CO97038166A CO97038166A CO4790158A1 CO 4790158 A1 CO4790158 A1 CO 4790158A1 CO 97038166 A CO97038166 A CO 97038166A CO 97038166 A CO97038166 A CO 97038166A CO 4790158 A1 CO4790158 A1 CO 4790158A1
- Authority
- CO
- Colombia
- Prior art keywords
- less
- frequency
- phase
- weight
- methods
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/06—Separation of liquids from each other by electricity
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Electrostatic Separation (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Polyesters Or Polycarbonates (AREA)
- Other In-Based Heterocyclic Compounds (AREA)
- Developing Agents For Electrophotography (AREA)
- Colloid Chemistry (AREA)
Abstract
La presente invención se relaciona con métodos para segregaruna dispersión que tiene una fase orgánica continua y una fase acuosa dispersa a partir de un proceso de producción de caprolactama, caracterizado porque la coalescencia electrostática es aplicada a la dispersión en un campo eléctrico de no menos de 500 voltios por centímetro y a una frecuencia de no menos de 5 Hz, en donde la formación de una capa acuosa separada es inducida.Adicionalmente se puede caracterizar por:- usar un campo eléctrico de no menos de 1000 voltios por centímetro- la frecuencia es de no menos de 20 Hz- la frecuencia es de no más de 5OO Hz- la cantidad de la fase acuosa es de no más de 5% en peso de las fases líquidas totales combinadas- la fase orgánica es benceno- la fase dispersa es agua- la fase dispersa contiene hasta 60% en peso de caprolactama- la fase dispersa contiene entre 0.1 y 5% en peso de sulfato de amonio.The present invention relates to methods for segregating a dispersion having a continuous organic phase and a dispersed aqueous phase from a caprolactam production process, characterized in that electrostatic coalescence is applied to the dispersion in an electric field of not less than 500 volts per centimeter and at a frequency of not less than 5 Hz, where the formation of a separate aqueous layer is induced. It can additionally be characterized by: - using an electric field of not less than 1000 volts per centimeter - the frequency is not less than 20 Hz- the frequency is not more than 5OO Hz- the amount of the aqueous phase is not more than 5% by weight of the combined total liquid phases- the organic phase is benzene- the dispersed phase is water- dispersed phase contains up to 60% by weight of caprolactam - the dispersed phase contains between 0.1 and 5% by weight of ammonium sulfate.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL1003591A NL1003591C2 (en) | 1996-07-15 | 1996-07-15 | Electrostatic coalescence. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CO4790158A1 true CO4790158A1 (en) | 1999-05-31 |
Family
ID=19763204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CO97038166A CO4790158A1 (en) | 1996-07-15 | 1997-07-09 | ELECTROSTATIC COMBINATION. METHODS TO SEGREGATE A DIS- PERSION. |
Country Status (17)
| Country | Link |
|---|---|
| EP (1) | EP0920349A1 (en) |
| JP (1) | JP2000514352A (en) |
| KR (1) | KR20000023771A (en) |
| CN (1) | CN1230131A (en) |
| AU (1) | AU3361597A (en) |
| BG (1) | BG103086A (en) |
| CA (1) | CA2260248A1 (en) |
| CO (1) | CO4790158A1 (en) |
| CZ (1) | CZ13899A3 (en) |
| EA (1) | EA199900105A1 (en) |
| GE (1) | GEP20002017B (en) |
| ID (1) | ID18566A (en) |
| NL (1) | NL1003591C2 (en) |
| PL (1) | PL331170A1 (en) |
| SK (1) | SK5099A3 (en) |
| TW (1) | TW374083B (en) |
| WO (1) | WO1998002225A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO316109B1 (en) * | 2001-11-07 | 2003-12-15 | Aibel As | A coalescer device |
| NO20044265L (en) * | 2004-10-08 | 2006-04-10 | Sintef Energiforskning As | Method of electrocoalescence of emulations and apparatus for carrying out the method |
| JP5034485B2 (en) * | 2006-12-20 | 2012-09-26 | ダイキン工業株式会社 | Refrigeration equipment |
| KR101425412B1 (en) | 2013-01-17 | 2014-08-01 | 한국기계연구원 | Combined separation system to separate dispersed water droplets in emulsions of continuous phase materials |
| KR101453500B1 (en) | 2013-01-17 | 2014-10-23 | 한국기계연구원 | Electrostatic coagulation apparatus for growth of water droplets in water-dispersed emulsions |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4415426A (en) * | 1980-09-30 | 1983-11-15 | Exxon Research And Engineering Co. | Electrodes for electrical coalescense of liquid emulsions |
| DE3176445D1 (en) * | 1980-11-01 | 1987-10-22 | Univ Bradford | Settling of liquid dispersions |
| US4409078A (en) * | 1981-04-20 | 1983-10-11 | Exxon Research And Engineering Co. | Methods and apparatus for electrostatically resolving emulsions |
| DE3709456A1 (en) * | 1987-03-23 | 1988-10-06 | Univ Hannover | Process and apparatus for breaking liquid membrane emulsions from metal extraction processes |
| US5326441A (en) * | 1990-01-19 | 1994-07-05 | European Economic Community | Process for separating and concentrating gallium from an aqueous solution containing gallium, together with aluminum, zinc and copper |
-
1996
- 1996-07-15 NL NL1003591A patent/NL1003591C2/en not_active IP Right Cessation
-
1997
- 1997-07-08 EP EP97929593A patent/EP0920349A1/en not_active Withdrawn
- 1997-07-08 WO PCT/NL1997/000396 patent/WO1998002225A1/en not_active Application Discontinuation
- 1997-07-08 CA CA002260248A patent/CA2260248A1/en not_active Abandoned
- 1997-07-08 GE GEAP19974636A patent/GEP20002017B/en unknown
- 1997-07-08 AU AU33615/97A patent/AU3361597A/en not_active Abandoned
- 1997-07-08 CN CN97197802A patent/CN1230131A/en active Pending
- 1997-07-08 SK SK50-99A patent/SK5099A3/en unknown
- 1997-07-08 EA EA199900105A patent/EA199900105A1/en unknown
- 1997-07-08 PL PL97331170A patent/PL331170A1/en unknown
- 1997-07-08 CZ CZ99138A patent/CZ13899A3/en unknown
- 1997-07-08 JP JP10505871A patent/JP2000514352A/en active Pending
- 1997-07-09 CO CO97038166A patent/CO4790158A1/en unknown
- 1997-07-15 ID IDP972450A patent/ID18566A/en unknown
- 1997-08-01 TW TW086111028A patent/TW374083B/en active
-
1999
- 1999-01-14 KR KR1019997000241A patent/KR20000023771A/en not_active Application Discontinuation
- 1999-01-15 BG BG103086A patent/BG103086A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL1003591C2 (en) | 1998-01-21 |
| ID18566A (en) | 1998-04-23 |
| EA199900105A1 (en) | 1999-06-24 |
| WO1998002225A1 (en) | 1998-01-22 |
| SK5099A3 (en) | 1999-05-07 |
| PL331170A1 (en) | 1999-06-21 |
| AU3361597A (en) | 1998-02-09 |
| JP2000514352A (en) | 2000-10-31 |
| BG103086A (en) | 1999-08-31 |
| GEP20002017B (en) | 2000-04-10 |
| TW374083B (en) | 1999-11-11 |
| EP0920349A1 (en) | 1999-06-09 |
| CA2260248A1 (en) | 1998-01-22 |
| CN1230131A (en) | 1999-09-29 |
| CZ13899A3 (en) | 1999-08-11 |
| KR20000023771A (en) | 2000-04-25 |
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