Class 204/560 - Removing solids

Subclass of Class 204 - Chemistry: electrical and wave energy
Definition: Process in which solid material is removed from the liquid
No. of patents: 22
Last issue date: 05/03/2011

Number	Title	Issue Date
7935238	Electromechanical filter for Fischer-Tropsch synthesis Electromechanical filtering unit having a conduit capable of conducting electricity, at least one first electrode connectable to a high voltage power supply (EHT) and at least one second electrode having a plurality of discrete openings which is earthed. The electro...	05/03/2011
7935237	Electrical treatment for oil based drilling or completion fluids A method of removing particulate solids from an oil based drilling or completion fluid (1) is disclosed. The method involves exposing the fluid to an electric field to electrically migrate particulate solids suspended therein, and collecting the migrated part...	05/03/2011
7288195	Method and apparatus for directly sampling a fluid for microfiltration A process for filtering a fluid is provided. The process includes providing a filtration cell having a filter membrane, a base configured to receive filtrate passing through the membrane, and a flow channel open to the filter membrane. A flow of the fluid is provide...	10/30/2007
7252752	Method and apparatus for removing contaminants from conduits and fluid columns A method and apparatus for contaminant separation utilizes an interleaved array of oppositely charged electrode plates for fluid treatment. Spacing between the parallel electrode plates is graduated so that the volume of the cavities between the opposing electrodes ...	08/07/2007
7018522	Method and apparatus for removing contaminants from conduits and fluid columns A method and apparatus for contaminant separation utilizes an interleaved array of oppositely charged electrode plates for fluid treatment. Spacing between the parallel electrode plates is graduated so that the volume of the cavities between the opposing electrodes ...	03/28/2006
6902678	Bilge water reclamation system and process A system and method for treating and removing hydrocarbon and other contaminants in bilge and ballast water, utilizing a multiple progressive process that chemically and electrically treats-and removes contaminants. Wastewater, received by a sump, is transmitted to ...	06/07/2005
6793801	Method and apparatus for removing contaminants from conduits and fluid columns A method and apparatus for contaminant separation utilizes an interleaved array of oppositely charged electrode plates for fluid treatment. Spacing between the parallel electrode plates is graduated so that the volume of the cavities between the opposing electrodes ...	09/21/2004
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
5788827	Means and method for removing particulate matter from nonconductive liquids In a preferred embodiment, an apparatus for removing particles from a nonconductive liquid, including: first sensing apparatus to sense a first net electrostatic charge on the particles in the liquid and to provide a first output signal indicative of the ...	08/04/1998
5785834	Electrostatic filter An electrostatic filter utilizes two separate filter cartridges in a parallel flow configuration with respect to incoming dielectric fluid containing particulates. Each cartridge is connected to opposite sides of a high voltage power supply, resulting in ...	07/28/1998
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
5147045	Particulate separations by electrostatic coalescence The use of electrostatic demulsification methods to separate fine particulates of differing surface characteristics is disclosed. In one example, particles of hydrophobic coal and hydrophilic kaolin clay, each of nominal 3.5 micron mass mean particle diam...	09/15/1992
4948515	Filter for liquid and method of filtering liquid A method for filtering liquids having a dielectric constant less than 10 is disclosed. The method includes the step of filtering a liquid through a porous layer of an electret, the electret consisting of a fibrous sheet having a surface charge density of ...	08/14/1990
4579637	Method and apparatus for separating impurities from low conductivity liquids A method and apparatus for removing particulate matter suspended in low conductivity liquids employs extrinsic ions to electrically charge suspended particles. A unipolar current of the extrinsic ions is passed through the flowing liquid to efficiently ch...	04/01/1986
4409078	Methods and apparatus for electrostatically resolving emulsions A new apparatus and methods are featured for electrostatically resolving emulsions. The apparatus comprises a flexible electrode carrying electrolytes, therein. Emulsions are resolved by passing current through the electrolyte at frequencies to or above 6...	10/11/1983
4370236	Purification of hydrocarbon streams A hydrocarbon stream containing particulate and water-soluble compound is purified by admixture therewith of an aqueous solution followed by electrostatic precipitation of the aqueous and particulate phases from the hydrocarbon phase. The aqueous phase is...	01/25/1983
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
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
4208260	Treatment of comminuted proteinaceous material under the influence of an electric field A process for the separation of comminuted proteinaceous material from an admixture thereof with solvent is disclosed. An admixture of the material and the solvent is subjected to a high voltage electric field between an anode and a cathode, thereby depos...	06/17/1980
4208259	Treatment of comminuted oats under the influence of an electric field A process for the separation of a comminuted oat fraction from an admixture thereof with solvent is disclosed. An admixture of the fraction and the solvent is subjected to a high voltage electric field between an anode and a cathode, thereby depositing at...	06/17/1980
4054501	Method and apparatus for removal of mechanical impurities from dielectric fluids A method of removing mechanical impurities from dielectric fluids resides in that a fluid being treated is caused to flow across an electric field in a direction substantially perpendicular to the collection surfaces of electrodes which create the electri...	10/18/1977

PatentStorm

Famous Patents

PatentStorm News

Class 204/560 - Removing solids