Class 204/563 - Resolving emulsion or dispersion

Subclass of Class 204 - Chemistry: electrical and wave energy
Definition: Process which involves breaking an emulsion or dispersion
No. of patents: 37
Last issue date: 01/16/2007

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
7118670	Energy efficient compact oil and water separator An energy efficient and compact oil and water separator through which the oil and water flow for the purpose of extracting water from the oil and oil from the water made more efficient and compact by incorporating a precise control of the hydrodynamics through the a...	10/10/2006
7111668	Cooling arrangement for an offshore wind energy installation A cooling arrangement for an offshore wind energy installation, having a heat-absorbing device for absorbing heat generated by the electronic devices and/or the mechanical devices of the offshore energy installation, which is to be removed, and a coupled heat-dissip...	09/26/2006
7008536	Oil desalting and dewatering The invention includes a method for dewatering and/or desalting a water-in-oil emulsion comprising introducing a plurality of streams of the emulsion into the electrostatic field under opposed flow whereby the water coalescence is enhanced. The invention also includ...	03/07/2006
6730205	Method for removing contaminants from conduits and fluid columns A method and apparatus for the treatment of fluid columns uses an air-cooled electromagnetic field generator to prevent the deposition and accumulation of contaminants within conduits and on equipment utilized in the transportation, delivery and processing of the fl...	05/04/2004
6599949	Aromatic sulfonic acid demulsifier for crude oils The invention is directed towards a chemical demulsifier formulation comprising an alkyl aromatic sulfonic acid additive with at least 16 carbon atom alkyl group and at least two 6 carbon-ring aromatic group and a co-additive selected from the group consi...	07/29/2003
6489368	Aromatic sulfonic acid demulsifier for crude oils The invention is directed towards a chemical demulsifier formulation comprising an alkyl aromatic sulfonic acid additive with at least 16 carbon atom alkyl group and at least two 6 carbon-ring aromatic group and a co-additive selected from the group consi...	12/03/2002
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
6136174	Compact electrostatic coalescer A compact device for coalescing finely dispersed droplets of a conductive fluid emulsified in a stream of nonconductive fluid by the use of a high intensity electric field acting on the emulsion as it flows through a narrow flow gap under non-laminar flow...	10/24/2000
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
6120678	Desalting adjunct chemistry Improved performance in the phase separation of aqueous brines from hydrocarbons within an electrostatic desalter operation is obtained by the addition to the crude oil emulsions entering the desalter of an effective asphaltene dispersing amount of an alk...	09/19/2000
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
6036840	Method and a reactor for electrochemical conversion of a material e.g. soot particles being insoluble in a fluid A method and a reactor for electrochemical conversion of a material (21) being insoluble in a fluid into a material being soluble in the fluid, which method comprises that a flow of the fluid is passed to a reaction zone which comprises an internal circui...	03/14/2000
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
5861089	Electric field enhanced coalescence of emulsions comprising a silicon containing compound or silicon containing polymer A process for separating an emulsion into separate and easily recoverable phases. The process comprises exposing an emulsion comprising a discontinuous phase and a non-conducting continuous phase to an electric field thereby effecting coalescence of the d...	01/19/1999
5746907	Method to remove metals from residuals A method is provided to remove metals from a residual oil containing an initial amount of a selected metal, the method comprising the steps of: providing a vessel for exposing the residual oil to a DC electric field having a strength of about one kV/inch or gr...	05/05/1998
5714048	Method and apparatus for oil/water de-emulsification An apparatus and method for combining the effects of centrifugal force and electrostatic coalescence of water droplets in an integral containment vessel to de-emulsify water in oil type emulsions, without utilizing chemicals or applying heat to reduce the...	02/03/1998
5643431	Method for augmenting the coalescence of water in a water-in-oil emulsion A method of augmenting the coalescence of water in an emulsion having a heavier water component that is relatively electrically conductive and a lighter oil component that is relatively non-conductive, including the steps of tangentially injecting the emu...	07/01/1997
5575896	Method and apparatus for oil/water separation using a dual electrode centrifugal coalescer A method and apparatus for augmenting the coalescence of water in a water-in-oil emulsion. The apparatus includes a tubular vessel having a cylindrical side wall and opposed ends. A tangential inlet in the cylindrical side wall is adjacent one of the vess...	11/19/1996
5358614	Method and apparatus for the removal of bioconversion of constituents of organic liquids A method and apparatus for the removal or conversion of constituents from bulk organic liquids. A countercurrent biphasic bioreactor system is utilized to disperse and recoalesce a biocatalyst contained in the aqueous liquid phase into the organic liquid ...	10/25/1994
5244550	Two liquid separating methods and apparatuses for implementing them The present invention is conceived to provide methods for efficiently separating two liquids different in sp. gr. which are in a mixed state and apparatuses for implementing them. The present invention devised an arrangement such that between an outer cyl...	09/14/1993
4919777	Electrostatic/mechanical emulsion treating method and apparatus A treater for electrostatically and/or mechanically separating emulsified brine from oil during longitudinal flow through a horizontally elongate metal tank, wherein coalescer elements are provided for enhancement of the de-emulsification process. Followi...	04/24/1990
4904367	Removing haze from dewaxed hydrocarbon oil mixture boiling in the lubricating oil range In a lube oil dewaxing plant in which waxy lube oil is firstly conditioned to promote wax crystallization, such as by adding an oil solvent and chilling the resulting admixture, and then filtered in at least one rotary drum filter (213), the filter includ...	02/27/1990
4820400	Process for removing haze from dewaxed hydrocarbon oil mixture boiling in the lubricating oil range (OP-3379) For removing haze from dewaxed hydrocarbon oil mixture boiling in the lubricating oil range which is hazy, the hazy oil mixture is filtered in the filtration stage (201) of a dewaxing plant which is concurrently filtering undewaxed hydrocarbon oil mixture...	04/11/1989
4624765	Separation of dispersed liquid phase from continuous fluid phase Separation of dispersed liquid contaminant, for example removal of water droplets from oil, is achieved by introducing free charge into the mixture by means of charge injector (1) and discharging the charged mixture through a gas or vapor gap into a separ...	11/25/1986
4419200	Electrical coalescense of liquid emulsions An improved process for electrically coalescing water-in-oil emulsions in an AC electrical field, wherein the improvement comprises using insulated electrodes having a dielectric constant which is at least about 3 and having a hydrophobic surface in conta...	12/06/1983
4400253	Voltage control system for electrostatic oil treater An automatic voltage control system controls the firing angle of a solid state switch (20), in turn the voltage applied to the primary winding (12) of a step-up transformer (10), in turn the voltage applied to the grid (38) and in turn the electric field ...	08/23/1983
4347110	Method for tall oil recovery and apparatus therefor A system and apparatus are disclosed for removing particles from suspension in a liquid, particularly for removing tall oil soap particles from black liquor. The black liquor flows along a fluid flow path (10) which runs between a source of black liquor a...	08/31/1982
4329159	Energy saving heavy crude oil emulsion treating method and apparatus for use therewith An apparatus and method of using the same to separate a heavy crude oil emulsion into gas, brine and oil, as the emulsion flows longitudinally through first, second, and third elongate zones. The crude oil emulsion is heated while in the first and second ...	05/11/1982
4290882	Electrostatic separation of impurities phase from liquid-liquid extraction Electrostatic separation of aqueous and particulate matter from a primarily organic impurities phase which forms at the organic/aqueous interface in a liquid-liquid extraction process....	09/22/1981
4226690	Process for dehydration and demineralization of diluted bitumen Diluted bitumen emulsion, the aqueous phase of which carries undissolved mineral particles, is upgraded by resolving it by subjecting it to a unidirectional electric field established between an energized electrode and an aqueous material surface serving ...	10/07/1980
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
4224124	Electrostatic coalescing system An electrode is fluid-coupled to the driven electrode, which is directly connected to either an AC or a DC source of potential. The driven electrode is provided with the usual ground electrode to establish the electrostatic field of a coalescing system. T...	09/23/1980
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
4134799	Method for selecting a demulsifier for breaking a water-in-oil emulsion A method for selecting a demulsifier for breaking a water-in-oil emulsion employs at least two electrodes to be immersed in a plurality of emulsion samples, each having a different demulsifier added. The current flow between the electrodes is recorded for...	01/16/1979
4116790	Method and apparatus for separation of fluids with an electric field and centrifuge Fluids are separated from each other by passing their mixture through an electric field and centrifuge in sequence. The drops of a first fluid dispersed in a second fluid are coalesced by the force of an electric field to a predetermined size. The mixture...	09/26/1978

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Class 204/563 - Resolving emulsion or dispersion