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| Number | Title | Issue Date |
| 8142634 | Method and apparatus for electrophoretic separation of solids and water from oil based mud A method of treating an invert emulsion drilling fluid, the method including pumping the drilling fluid to an electrophoresis unit that includes a positively charged electrode and a negatively charged electrode, applying a voltage between 200 V and 5000 V across the... | 03/27/2012 |
| 7648618 | Method for refining inorganic short fiber A method for refining inorganic short fibers at a high yield rate. In the refining method of inorganic short fibers according to the present invention, an electric field is applied to dielectric liquid in which inorganic short fibers that include impurities are disp... | 01/19/2010 |
| 7578918 | Process and apparatus for treating sludge The present invention relates to an apparatus for treating sludge comprising electrodes including at least one anode and at least one cathode. The electrodes define therebetween a space adapted to receive the sludge so as to submit the sludge disposed within the spa... | 08/25/2009 |
| 7097747 | Continuous process electrorefiner A new device is provided for the electrorefining of uranium in spent metallic nuclear fuels by the separation of unreacted zirconium, noble metal fission products, transuranic elements, and uranium from spent fuel rods. The process comprises an electrorefiner cell. ... | 08/29/2006 |
| 6129828 | Apparatus and methods for active biological sample preparation Systems and methods for the electronic sample preparation of biological materials utilize the differential charge-to-mass ratio and/or the differential affinity of sample constituents to separation materials for sample preparation. An integrated system is... | 10/10/2000 |
| 6089147 | Process for pressing materials A process is disclosed for pressing a material selected from materials of vegetable and animal origin. The process includes the steps of mechanically compressing the material of vegetable or animal origin while simultaneously vibrating the material at an ... | 07/18/2000 |
| 6045675 | Method for concentrating aqueous tetrafluoroethylene emulsion by electrodialysis and its apparatus The present invention relates to a method and an apparatus for concentrating an aqueous PTFE emulsion in which a raw, aqueous PTFE emulsion containing fluorinated surfactants is concentrated by an electrodialysis technique using at least one nonionic surf... | 04/04/2000 |
| 5942095 | Method of continuous purification of liquid toner in an electrostatic printing system A continuous purification method for removing neutral, as well as ionic, contaminants from liquid toner in an electrostatic printing system is disclosed. This method involves circulating liquid toner from a toner supply tank through a common volume which ... | 08/24/1999 |
| 5891342 | Dewatering process A dewatering process in which a product comprising water and other materials is simultaneously subjected to compressive mechanical forces and electro-osmosis using a belt (12) having a plurality of connected spiral yarns and, at least in part, electricall... | 04/06/1999 |
| 5702588 | Soap fiber extraction process A method of separating soap fibers from the liquid phase component of grease to prepare the fibers for microscopic analysis includes the steps of admixing a sample of the grease with a solvent to remove the liquid phase component from the fibers and provi... | 12/30/1997 |
| 5656146 | Single phase fluid gas extractor for electrophoretic purifier systems An electrophoretic purifying system employing a gas/bubble filter is described, with the gas/bubble filter disposed in the path of a single phase liquid flow moving toward an electrophoretic purifier. The gas/bubble filter prevents bubbles, having a prede... | 08/12/1997 |
| 5647965 | Apparatus and method for separating a charged substance from a conductive fluid Apparatus and method for removing a charged substance from a conductive fluid by imposing an electrostatic field on the conductive fluid, the charged substance being drawn to and retained by a charged substance receiving member having a core of a conducti... | 07/15/1997 |
| 5425858 | Method and apparatus for capacitive deionization, electrochemical purification, and regeneration of electrodes An electrochemical cell for capacitive deionization and electrochemical purification and regeneration of electrodes includes two oppositely disposed, spaced-apart end plates, one at each end of the cell. Two generally identical single-sided end electrodes... | 06/20/1995 |
| 5403455 | Apparatus and method for removing liquid from liquid bearing material An apparatus and method for moving at least some of the liquid in liquid bearing soil or ground are provided, the method comprising the steps of disposing a first electrode unit and a second electrode unit in the ground so as to have at least portions the... | 04/04/1995 |
| 5393390 | Treatment and recycling of overspray from the spray application of waterborne coatings A process and apparatus for treating overspray from the spray application of waterborne coatings is provided, which includes at least an electrophoresis separation step (means) for recovering substantially all of solids and higher molecular weight water-s... | 02/28/1995 |
| 5368708 | Lens decontamination system A system by which contaminants from and below the surface of contact lenses may be electrokinetically removed. The system includes a protective encasement packet in which a lens is safely protected upon its removal from the eye, through the cleaning proce... | 11/29/1994 |
| 5338421 | Method of and apparatus for separation by agglomeration A method of separating an aqueous colloidal solution by agglomeration into water and agglomerate of colloidal particles by applying voltage to the aqueous colloidal solution to promote the agglomeration of colloidal particles. The frequency of the voltage... | 08/16/1994 |
| 5271814 | Thin film electrocoagulation for removal for contaminants from liquid media A thin film electrocoagulation liquid treatment apparatus includes a nonconductive housing formed by opposite top and bottom walls, opposite side walls, and tubular end members with slots therethrough which define a treatment chamber. Pluralities of elong... | 12/21/1993 |
| 5230809 | Method and apparatus for dewatering sludge materials A method and apparatus for the removal of water, liquids and liquors from sludges and slurries, the sludges and slurries mixed with an electrolyte to improve conductivity and introduced into a conveyor chamber where an electrical path is established to pe... | 07/27/1993 |
| 5171409 | Continuous process of separating electrically charged solid, pulverulent particles by electrophoresis and electroosmosis Process of continuously separating electrically charged, solid pulverulent materials in the form of a suspension in an electrophoresis and electroosmosis cell, characterized in that a fraction of the catholyte is drained off, that a portion thereof is tre... | 12/15/1992 |
| 5160593 | Apparatus and method for removing liquid from liquid bearing material An apparatus and method for removing liquid from liquid bearing material are provided, the apparatus comprising a pair of electrode units having portions thereof disposed adjacent each other and defining an inlet to the adjacent portions and an outlet fro... | 11/03/1992 |
| 5114560 | Apparatus and method for removal of liquids A first electrode arrangement and a transport element are movable relative to a support. A working space is disposed between the movable elements for advancing moist material along a processing path. As the moist material advances, electrical current is p... | 05/19/1992 |
| 5092974 | Electrode and method for compressive and electro-osmotic dehydration An electrode comprising a carbonaceous material including carbon fibers, which are bound together by means of carbon atoms. It is preferable that 10-50 w/w % of the carbonaceous material are short carbon fibers 2-20 mm long, which are dispersed and stacke... | 03/03/1992 |
| 5019230 | Apparatus and method for removing liquid from liquid bearing material An apparatus and method for removing liquid from liquid bearing material are provided, the apparatus comprising a pair of electrodes having portions thereof disposed adjacent each other and defining an inlet to the adjacent portions and an outlet from the... | 05/28/1991 |
| 4975166 | Apparatus and method for removing liquid from liquid bearing material An apparatus and method for removing liquid from liquid bearing material are provided, the apparatus comprising a pair of electrodes having portions thereof disposed adjacent each other and defining an inlet to the adjacent portions and an outlet from the... | 12/04/1990 |
| 4917782 | Electrolytic liquid purification process and apparatus Liquid is clarified by passing it between spaced plates of a stack including two interleaved sets of plates, one set being connected to one direct current lead and the other set being connected to the other direct current lead. The liquid may flow through... | 04/17/1990 |
| 4874507 | Separating constituents of a mixture of particles The specification describes specie-separating and concentration-enhancing methods and apparatus which operate on a substantially continual basis. The constituents of a mixture are separated according to their respective influencability by motion in the di... | 10/17/1989 |
| 4861496 | Electro-dewatering method and apparatus An apparatus and method of electro-dewatering sewage sludge and other high water sludges. The sludge is passed through a conveyor means that is electrically charged. The anode has metal bristles or wires that protrude into the sludge mass. Water that migr... | 08/29/1989 |
| 4755305 | Continuous dewatering method An apparatus and method for dewatering sludges and the like as part of landfill operations by electrokinetic techniques including placing anode and cathode electrode modules in contact with the sludge and applying electrical energy to the electrodes to es... | 07/05/1988 |
| 4728404 | Process for the separation of emulsions containing water as a continuous phase and device for the application of the process Method for the electrolytic decomposition of O/W emulsions in an electrolysis cell powered by direct current and device for carrying out this method. The invention is relative to the electrolytic decomposition of O/W emulsions in an electrolysis cell powe... | 03/01/1988 |
| 4693802 | Electrically augmented vacuum filtration apparatus for producing a dialyzed cake product An electrically augmented vacuum filtration apparatus for dewatering a suspension of solids wherein the transport of ions into the cake product is controlled by provision of a suitable anionic solid polymeric electrolyte arranged to isolate at least one e... | 09/15/1987 |
| 4501648 | Electrophoretic process for separating aqueous mineral suspensions An aqueous suspension of fine mineral solids, for example oil sand tailings sludge, is separated into separate solid and liquid components by first chemically conditioning the suspension with the addition of lime, and thereafter passing an electrical pote... | 02/26/1985 |
| 4382341 | Method for drying drilling mud Direct electric current is passed through drilling mud contained in an earthen mud pit to dry the mud, thereby providing a safe and environmentally acceptable means for disposal of the mud.... | 05/10/1983 |
| 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 |
| 4331525 | Electrolytic-ultrafiltration apparatus and process for recovering solids from a liquid medium A process and apparatus for the recovery of suspended solids from a liquid medium is disclosed. The liquid medium containing suspended solids is circulated through an electrolytic cell and an ultrafiltration unit, the suspended solids being removed from t... | 05/25/1982 |
| 4208440 | Electrically separating a food paste A beverage base and other products are made from cocoa powder, soy flour, dried whey, corn flour, pea powder, or pea flour by blending the powder or flour with a quantity of water to make a paste that is retained between a pair of metal screens (preferabl... | 06/17/1980 |
| 4169029 | Method for electrical purification and decontamination of liquids and apparatus for effecting same A method for the electric purification and decontamination of liquids containing suspended and dissolved matter, such as mineral, organic and biological substances, comprises passing a pulsating electric current through a starting liquid, the current havi... | 09/25/1979 |
| 4161435 | Process and apparatus for reducing the level of contaminants in aqueous electrolytes containing the same An electrochemical process for reducing the level of contaminants in an aqueous electrolyte containing the contaminants comprising: suspending particles in the electrolyte in a reaction zone defined by a pair of electrodes to obtain a suspension containin... | 07/17/1979 |
| 4160711 | Assembly of electrodes An assembly of electrodes suitably for use in electrochemical processes, comprising a plurality of elongated conductive elements as electrodes arranged substantially in parallel in a vertical plane and spaced apart from each other. At least one elongated ... | 07/10/1979 |
| 4140609 | Process for removing colloidal suspensions from a liquid A system and method for removing colloidal suspensions or particles from a liquid, in particular tall oil soap particles from black liquor of a wood pulping process. Black liquor is moved along a flow path from an upstream to a downstream zone. First and ... | 02/20/1979 |
