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| Number | Title | Issue Date |
| 7163624 | Electrostatic separator An electrostatic separator intended for separation of liquid phase systems, made up of mixtures of liquids of various electrical permittivity. In particular, the separator is intended for separation of an oil-and-water emulsion. The electrostatic separator contains ... | 01/16/2007 |
| 6171465 | Desalter A longitudinally horizontal pressure vessel desalts a fluid mixture of oil, an emulsion of oil globules encapsulated in salt water casings, gas and/or free water. A vertical wall splits the vessel into a double length flow path extending from an inlet to ... | 01/09/2001 |
| 6136178 | Method and apparatus for separating oil from water in wastewater containing an emulsified oil Wastewater containing a surfactant and an oil content that has been emulsified by the action of the surfactant can be freed of the oil content by a method including feeding the wastewater into the anode compartment, for electrolysis, of a diaphragm electr... | 10/24/2000 |
| 6123813 | Electrostatic treating apparatus An electrostatic treating apparatus comprises a tank 1 containing an insulating solvent A in which a pair of electrodes 4 is arranged and a liquid 2 is introduced from an inlet 3 and electrostatically treated. A guide plate for guiding treated water to th... | 09/26/2000 |
| 6110352 | Method and apparatus for separating oil from water in wastewater containing an emulsified oil Wastewater containing a surfactant and an oil content that has been emulsified by the action of the surfactant can be freed of the oil content by a method including feeding the wastewater into the anode compartment, for electrolysis, of a diaphragm electr... | 08/29/2000 |
| 6093307 | Method and apparatus for separating oil from water in wastewater containing an emulsified oil Wastewater containing a surfactant and an oil content that has been emulsified by the action of the surfactant can be freed of the oil content by a method to including feeding the wastewater into the anode compartment, for electrolysis, of a diaphragm ele... | 07/25/2000 |
| 5876589 | Method and apparatus for separating oil from water in wastewater containing an emulsified oil Wastewater containing a surfactant and an oil content that has been emulsified by the action of the surfactant can be freed of the oil content by a method including feeding the wastewater into the anode compartment, for electrolysis, of a diaphragm electr... | 03/02/1999 |
| 5421972 | Process and apparatus for removing soluble contaminants from hydrocarbon streams A method for removing soluble contaminants, such as acetonitrile, from a non-polar hydrocarbon stream into a polar water stream by countercurrent flow between an electrostatic field generated by a pair of parallel electrodes. The electrostatic field is mo... | 06/06/1995 |
| 5256270 | Electrostatic separating apparatus An electrostatic separating aparatus comprises a tank which contains an insulating solvent solution and has a feed inlet for the liquid to be treated at the bottom, and a pair of electrodes which is equipped in the solvent solution and between which a hig... | 10/26/1993 |
| 5219471 | Removal of metals and water-insoluble materials from desalter emulsions A process for measuring and treating oil-water stable emulsions derived from crude oil desalters is provided. Emulsion volume is measured, the emulsion is withdrawn, blended with aromatic-rich hydrocarbon, heated and three phases--water, oil and solids--a... | 06/15/1993 |
| 4606801 | Electrostatic mixer/separator Electrodes, in the form of plates, are held parallel to each other to form passageways in which electrostatic fields are generated when the plates are charged by a source of variable voltage. The variable voltage is programmed to establish an initial elec... | 08/19/1986 |
| 4226689 | Apparatus and process for electrically resolving emulsions An electric treater and process for electrically resolving emulsions into organic and aqueous phases. The treater includes a horizontally positioned, planar, permeable electrode which is the only electrode means positioned in the treater. The interface be... | 10/07/1980 |
| 4209374 | Plural parallel stage desalting and dehydration A desalter/dehydrator having a plurality of electrified coalescing stages in a single vessel, wherein the stages are isolated hydraulically to allow parallel or serial stage operations. In one embodiment, several electrical stages, each separately energiz... | 06/24/1980 |
| 4204934 | Process for application of electrostatic fields to mixing and separating fluids Flow paths for liquids are disclosed in vessels, the paths oriented with electrodes which are electrically energized to establish electrostatic fields through the paths, one of the liquids is more polar than the other liquids in the paths, one of the fiel... | 05/27/1980 |
| 4188277 | Process for desalting petroleum oils A desalter/dehydrator having a plurality of electrified coalescing stages in a single vessel, wherein the stages are isolated hydraulically to allow parallel or serial stage operations. In one embodiment, several electrical stages, each separately energiz... | 02/12/1980 |
| 4136014 | Method and apparatus for separation of bitumen from tar sands Method and apparatus for separation of bitumen from tar sands involving an electric flotation cell formed of a container in which is placed a charge of unseparated tar sand to a first level and which is then filled with water to a second level and electro... | 01/23/1979 |
| 4108599 | High water content emulsion cleaning The present invention relates to a process of fabric cleaning utilizing a solvent emulsion which effectively combines the dissolving and suspending power of water for hydrophilic substances with the dissolving power of organic compositions for hydrophobic... | 08/22/1978 |
