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Class 204/648 - Bulk separator for solids and liquids (e.g., to dewater solids, clarify water, etc.)


Subclass of Class 204 - Chemistry: electrical and wave energy
Definition: Apparatus having nonanalytical, large scale separation means
No. of patents: 38
Last issue date: 01/30/2007


NumberTitleIssue Date
7169282Dielectrophoresis apparatus
Devices for filtering fluids using dielectrophoresis are disclosed. ...
01/30/2007
7150583Electro kinetic geosynthetic structure
An EKG structure comprising geosynthetic material associated with at least one conducting element wherein the structure comprises at least one core element substantially enclosed by at least one sheath, one or both comprising the geosynthetic material; the use there...
12/19/2006
7135102Method and system for dewatering particulate materials
A system and method for dewatering particulate materials employs an improved dewatering probe generally including a single non-conducting pipe having a plurality of holes or slots, an anode mounted on the pipe adjacent one end of the pipe, and a cathode mounted on t...
11/14/2006
6919005Configuration and electro-osmotic pulse (EOP) treatment for degrading porous material
A configuration and treatment for degrading porous material, e.g., concrete, brick, or other masonry material, via rapid, efficient electro-osmosis. One application carries dehydration to an extent that it weakens a structure for demolition by significantly dehydrat...
07/19/2005
6916411Method for electrically controlled demolition of concrete
A method to demolish concrete that comprises electrically connecting rebar disposed within the concrete to a power supply, electrically connecting a counter electrode within electro-osmotic communication of the concrete to a power supply, and externally providing el...
07/12/2005
6871744Apparatus for electrodewatering
A solid-liquid mixture is electro-dewatered by apparatus having a conveyor belt for receiving an electric charge and having the mixture deposited thereon and an element above the conveyor belt receiving an opposite electric charge with the conveyor belt an element c...
03/29/2005
6277257Electrokinetic high pressure hydraulic system
An electrokinetic high pressure hydraulic pump for manipulating fluids in capillary-based systems. The pump uses electro-osmotic flow to provide a high pressure hydraulic system, having no moving mechanical parts, for pumping and/or compressing fluids, fo...
08/21/2001
6224728Valve for fluid control
A valve for controlling fluid flows. This valve, which includes both an actuation device and a valve body provides: the ability to incorporate both the actuation device and valve into a unitary structure that can be placed onto a microchip, the ability to...
05/01/2001
6214202Situ treatment of contaminated groundwater
A system for treating dissolved halogenated organic compounds in groundwater that relies upon electrolytically-generated hydrogen to chemically reduce the halogenated compounds in the presence of a suitable catalyst. A direct current is placed across at l...
04/10/2001
6129828Apparatus 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
6019882Electrokinetic high pressure hydraulic system
A compact high pressure hydraulic pump having no moving mechanical parts for converting electric potential to hydraulic force. The electrokinetic pump, which can generate hydraulic pressures greater than 2500 psi, can be employed to compress a fluid, eith...
02/01/2000
6013164Electokinetic high pressure hydraulic system
A compact high pressure hydraulic system having no moving parts for converting electric potential to hydraulic force and for manipulating fluids. Electro-osmotic flow is used to provide a valve and means to compress a fluid or gas in a capillary-based sys...
01/11/2000
5944979Electrokinetic transfer of contaminants from a thin layer of soil to a thin porous medium
To decontaminate soil, a generally thin porous medium is used. A cathode is applied to one face of the porous medium and an anode is spaced apart from the other face of that porous medium to define a generally thin spacing for receiving a generally thin l...
08/31/1999
5928492Method and apparatus for recovery of water and slurry abrasives used for chemical and mechanical planarization
Abrasive components and water are recovered from an aqueous chemical mechanical slurry used for planarization of semiconductor materials. The slurry effluent is preferably brought to a neutral pH, and cooled to a temperature between about 0° C. and about...
07/27/1999
5865964Apparatus for stripping ions from concrete and soil
A method and an apparatus for stripping ionic species from a porous material, such as concrete or soil, are presented. The ionic species include metals and complexes, and may include radioactive species. The contaminated medium can be in bulk or in partic...
02/02/1999
5725752Electrokinetic decontamination of land
A method is provided for the electrokinetic decontamination of land or other material comprising soil in which a direct current is applied between at least one cathode (2) and at least one anode (4) positioned in or on said soil. The anode (4) is a carbon...
03/10/1998
5656146Single 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
5614077Electrochemical system and method for the removal of charged species from contaminated liquid and solid wastes
An electrokinetic system and method are provided for removing charged species from a sample in which said charged species is commingled with at least one radionuclide. The apparatus comprises an anode compartment comprising an anode, a cathode compartment...
03/25/1997
5393390Treatment 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
5368708Lens 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
5338421Method 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
5290401Method and a device for separating plastic particles from supensions
The invention relates to a method for separating plastic particles (P) from a suspension (L), e.g. from a cellulose mass or cellulose pulp suspension, in which the fiber-floc material is broken for loosening the plastic particles (P). In the method, turbu...
03/01/1994
4755305Continuous 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
4693802Electrically 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
4678554Method and installation for generating an electrical field in the soil
The invention provides an installation and method for generating an electrical field of a large area in soil having a vegetation zone between the ends of roots of plants in the soil and the surface of the soil, which comprises at least one cathode having ...
07/07/1987
4668369Reciprocating electrode cleaner for electric field liquid treater
A reciprocating electrode scrubber is provided which cleans the surfaces of an electrodic liquid treater having an elongated electrode mounted within a cylinderical container and having a second electrode attached to the interior surface thereof. The scru...
05/26/1987
4500410Reinforcing or carrier element for structural material
Reinforcing or carrier elements for plaster are used as electrodes in electro-osmotic dehumidification installations. The elements comprise a carrier body constituted by a flexible net having a surface of synthetic resin in contact with the plaster and th...
02/19/1985
4437968Boiler apparatus
A wastewater purification and recycling apparatus is provided comprising means for introducing wastewater having a relatively high concentration of impurities from an industrial process into a boiler used to generate working steam for an industrial purpos...
03/20/1984
4347110Method 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
4240896Color-television screen-coating room
A method and an arrangement for separating a red rare-earth phosphor of a color-television picture tube from the sediment in the drain channels of a screen-coating room, which sediment contains, in addition to various impurities, zinc-sulfide-base and zin...
12/23/1980
4235698Electronic water treatment apparatus
Disclosed is an electronic fluid treatment device for use in circulating fluid systems for controlling and removal of scale materials. This device includes a series of electrodes in the form of parallel metal sheets. Alternate electrodes are oppositely ch...
11/25/1980
4181591Electrostatic and electrolytic clarifier apparatus
A fluid, such as air or water, carrying suspended solids is directed between a pair of oppositely charged, corrugated surfaces in order to subject the flow to an undulating action that increases the frequency with which the solid particles impinge against...
01/01/1980
4169029Method 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
4145270Method of, and apparatus for drying damp basements
In a method and apparatus for drying damp basements by electroosmosis, the inner surface of the basement walls are coated with a plaster or multi-layered coating of an electrically conductive non-metallic composition, which forms an electrode to which pos...
03/20/1979
4132625Sewage osmosis system
A system for dispersing aqueous effluents from a sewage treatment system utilizing a generally closed septic or sewage retention tank and a subterranean disposal field area for receiving the discharge from the septic tank. The septic tank is arranged to r...
01/02/1979
4124483Apparatus and method of assisting pile driving by electro-osmosis
An apparatus and method for assisting the driving of an electrically conductive pile into soil containing water by electro-osmosis in which electrical direct current is directed through the soil for reducing friction between the pile and the soil. The out...
11/07/1978
4119511Apparatus and method of assisting pile driving by electro-osmosis
An apparatus and method of assisting the driving of a pile into soil containing water by electro-osmosis in which electrical direct current is directed through the soil for reducing friction between the pile and the soil allowing the pile to be more easil...
10/10/1978
4098673Method and apparatus 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 liquid is moved along a flow path from an upstream to a downstream zone. First and ...
07/04/1978
 
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