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| Number | Title | Issue Date |
| 7438189 | Bituminous froth inclined plate separator and hydrocarbon cyclone treatment process An apparatus for separating bitumen from a bitumen froth output of a oil sands hot water extraction process comprises an inclined plate separator (IPS) for providing a first bitumen separation stage and a cyclone for providing a second bitumen separation stage. The ... | 10/21/2008 |
| 7438807 | Bituminous froth inclined plate separator and hydrocarbon cyclone treatment process Discloses apparatus to perform a process to remove water and minerals from a bitumen froth output of a oil sands hot water extraction process. A bitumen froth feed stream is diluted with a solvent and supplied to a primary inclined plate separator stage, which separ... | 10/21/2008 |
| 7413669 | Separator for liquids and/or multiphase fluids A separator including a conical member having a base; a substantially cylindrical member extending from the base; a separator inlet for introducing liquid to be separated into the conical member in a substantially tangential direction with respect to a sidewall of t... | 08/19/2008 |
| 7335313 | Dual stage centrifugal liquid-solids separator Disclosed is a vortex-based centrifugal separator for removing solids from a liquid/solids fluid stream in two stages. A fluid stream under pressure is introduced at the top of the cylindrical separator at a tangential angle forming helical downward flow. The first ... | 02/26/2008 |
| 7314560 | Cyclone separator The present invention provides a cyclone separator made up of a cyclone portion for generating an eddy flow at a given flow rate by feeding a liquid containing a fine substance from liquid discharge passageways, for transferring the fine substance to an outer circum... | 01/01/2008 |
| 7285212 | Method and apparatus for treatment of wastewater employing membrane bioreactors Methods and apparatus employing membrane filtration in biodegradation processes for treatment of wastewater are described. A bioreactor system is described having an equalization system, a membrane bioreactor system, and a controller. Aeration systems for a membrane... | 10/23/2007 |
| 7255790 | Hydrocyclones A hydrocyclone which includes a main body having a chamber therein, the chamber including an inlet section, and a separating section, the separating section having an inner side wall which tapers inwardly away from the inlet section, the hydrocyclone further includi... | 08/14/2007 |
| 7243721 | Methods and apparatus for heating oil production reservoirs Methods and apparatus employing inert gases injected into the lower level of sloping underground oil-bearing formations as a driving mechanism and water injected into the upper level of the formations as a gas blocking mechanism for increasing and extending the prod... | 07/17/2007 |
| 7232524 | Methods and apparatus for increasing and extending oil production from underground formations nearly depleted of natural gas drive Methods and apparatus employing inert gases injected into the lower level of sloping underground oil-bearing formations as a driving mechanism and water injected into the upper level of the formations as a gas blocking mechanism for increasing and extending the prod... | 06/19/2007 |
| 7185765 | Cyclone with in-situ replaceable liner system and method for accomplishing same Cyclones having abrasion resistant liners with a system and method for replacing the liners when they worn out due to the destructive nature of the materials being classified in the cyclone. The cyclone includes segmented inlet housing liners which are separately re... | 03/06/2007 |
| 7141162 | Bituminous froth inclined plate separator and hydrocarbon cyclone treatment process Discloses apparatus to perform a process to remove water and minerals from a bitumen froth output of a oil sands hot water extraction process. A bitumen froth feed stream is diluted with a solvent and supplied to a primary inclined plate separator stage, which separ... | 11/28/2006 |
| 7141139 | Multiple cleaning stages with various dilution points and accepts recirculated through a common pipe In a process and an arrangement for directing a papermaking pulp towards a regulated outlet (9), accept from successive cleaning stages (6, 14, 20) is totally or partly led towards the outlet (9) while excess accept is led in the opposite direct... | 11/28/2006 |
| 7111738 | Technique for enhancing the effectiveness of slurried dense media separations Methods, systems, and media for use in separating mixtures. A slurry including a separation liquid and one or more particulate media materials is provided. A classification separation is performed on the slurry to produce a classified media having a controlled parti... | 09/26/2006 |
| 7025890 | Dual stage centrifugal liquid-solids separator Disclosed is a vortex-based centrifugal separator for removing solids from a liquid/solids fluid stream in two stages. A fluid stream under pressure is introduced at the top of the cylindrical separator at a tangential angle forming helical downward flow. The first ... | 04/11/2006 |
| 7011219 | Erosion-resistant hydrocyclone liner Erosion-resistant liquid/liquid hydrocyclone liners, wherein the weight and cost of the liners are kept within acceptable parameters through the construction of a composite hydrocyclone liner, comprised of two or more different materials. The hydrocyclone liner incl... | 03/14/2006 |
| 6983850 | Hydrocyclone roping detector and method An ultrasonic sensor is mounted on the splash skirt at the underflow outlet of a hydrocyclone to detect a change in the underflow discharge from the normal conical shape in which the discharge impacts upon the splash skirt to a more cylindrical shape associated with... | 01/10/2006 |
| 6962654 | Methods and apparatus for supplying high concentrations of dissolved oxygen and ozone for chemical and biological processes A method and apparatus for supplying dissolved gases (such as oxygen, ozone, chlorine etc.) for chemical and biological processes is described. The methods and apparatus described are particularly suitable for use in the biodegradation of organic matter (such as in ... | 11/08/2005 |
| 6960294 | Apparatus for the separation of solids from liquids by dissolved gas floatation The present invention relates to methods and apparatus for separation of solids from liquids and separation of liquids from liquids (such as oil from water) by dissolved gas floatation. A dissolved gas floatation clarifier is described as is a liquid-gas mixer, a li... | 11/01/2005 |
| 6939469 | Band gap mass filter with induced azimuthal electric field A band gap mass filter for separating particles of mass (M1) from particles of mass (M2) in a multi-species plasma includes a chamber defining an axis. Coils around the chamber generate an axially aligned magnetic field defined (B=B0... | 09/06/2005 |
| 6811713 | Method and apparatus for mixing fluids, separating fluids, and separating solids from fluids An apparatus is provided for separation of suspended solid particles from fluids, for separation and mixing of fluids, and for dissolving gases in aqueous fluids. The apparatus employs a grooved ring to divide the fluid stream and impart a high velocity on each of t... | 11/02/2004 |
| 6811699 | Method and apparatus for mixing fluids, separating fluids, and separating solids from fluids An apparatus is provided for separation of suspended solid particles from fluids, for separation and mixing of fluids, and for dissolving gases in aqueous fluids. The apparatus employs a grooved ring to divide the fluid stream and impart a high velocity on each of t... | 11/02/2004 |
| 6730231 | Plasma mass filter with axially opposed plasma injectors A device for separating the constituents of a multi-constituent material includes a substantially cylindrical plasma chamber and two, axially opposed plasma injectors. The injectors convert the multi-constituent material into a multi-species plasma and inject the mu... | 05/04/2004 |
| 6719909 | Band gap plasma mass filter A device and method for selectively establishing predetermined orbits, relative to an axis, for ions of a first mass/charge ratio (m1), requires crossing an electric field with a substantially uniform magnetic field (E×B). The magnetic field is oriented ... | 04/13/2004 |
| 6596170 | Long free vortex cylindrical telescopic separation chamber cyclone apparatus The long free vortex cylindrical telescopic cyclone features of the decreased pressure drop, increased both capacity and separation efficiency, as well as of ability to be adjusted to the solids particles distribution of the feed processed.... | 07/22/2003 |
| 6585891 | Plasma mass separator using ponderomotive forces A device for separating high-mass ions (having cyclotron frequency Ωh) from low-mass ions (having cyclotron frequency Ωl) in a plasma includes a chamber. Coils are provided to generate a substantially uniform magnetic field in the ... | 07/01/2003 |
| 6576127 | Ponderomotive force plug for a plasma mass filter A plasma mass filter having features to prevent plasma loss through one end of the filter and thereby increase energy efficiency includes a cylindrical wave guide to surround a plasma. Coil(s) and electrode(s) are provided to establish crossed electric an... | 06/10/2003 |
| 6143175 | Injection of a solids-laden water stream into a centrifugal separator A centrifugal separator comprising a separation barrel with an upper end, a lower end, a central axis, and an internal circularly cylindrical axially extending wall forming a separation chamber, a collection chamber adjacent to the lower end, a spin plate... | 11/07/2000 |
| 6129217 | Hydrocyclone and separator assemblies utilizing hydrocyclones Hydrocyclones for use in separator assemblies, which have stationary wall members or at least one removable wall member and contain a plurality of hydrocyclones, include a tubular body having an under flow end and an overflow end. The hydrocyclone has an ... | 10/10/2000 |
| 6071424 | Alternative universal long free vortex cylindrical cyclone method A method of using a hydrocyclone utilizing a Alternative Universal Long Free Vortex central inner vortex be. The invented hydrocyclone has a significantly reduced diameter and about two times the separation capacity of a conventional hydrocyclone of appro... | 06/06/2000 |
| 6003683 | Forward or reverse hydrocyclone systems and methods Hydrocyclone cleaning systems and methods remove contaminants from a suspension of papermaking stock. A subsystem 10 employs forward cleaners for removing heavy contaminants while a subsystem 12 is fed directly from subsystem 10 and removes lightweight co... | 12/21/1999 |
| 5938926 | Extended dwell reverse hydrocyclone cleaner A reverse hydrocyclone cleaner (10) for the centrifugal separation of lightweight contaminants contained in a suspension of papermaking fibers is formed with an elongated hollow body (12) of circular cross section which converges uniformly from a first in... | 08/17/1999 |
| 5794791 | Coal cleaning process Fine particle coal is beneficiated in specially designed dense medium cyclones to improve particle acceleration and enhance separation efficiency. Raw coal feed is first sized to remove fine coal particles. The coarse fraction is then separated into clean... | 08/18/1998 |
| 5728262 | Method and apparatus for removing neutral buoyancy contaminants from acellulosic pulp An asymmetric hydrocyclone is modified and controlled so as to effectively remove contaminants of substantially neutral buoyancy from a paper cellulosic pulp. More specifically, a method includes prepositioning a substantially frusto-conically-shaped sepa... | 03/17/1998 |
| 5662790 | Air contactor with foam separation vessel system A deinking system for use with recycled paper pulp includes a number of gas sparged hydrocyclones mounted around the outer periphery of a foam separation vessel, with the slurry outlet from each hydrocyclone introducing slurry into the vessel below the le... | 09/02/1997 |
| 5653347 | Cyclone separator A cyclone separator for separating substances from a fibre-liquid-suspension, particularly a paper pulp suspension, wherein the separator has a main part (3) which includes an inner conical chamber (4) that has a generally tangentially directed inlet at t... | 08/05/1997 |
| 5529190 | Gas sparged hydrocyclone with foam separating vessel A slurry of recycled cellulose fibers is deinked by introducing the slurry into the first end of a vortex, sparging gas radially inwardly into the slurry to cause gas bubbles to attach to contaminants and ink particles to form an aerated slurry, dischargi... | 06/25/1996 |
| 5478484 | Apparatus and method including a hydrocyclone separator in combination with a tubular filter A separator comprises a cyclone for removing more dense particles e.g. sand and a filter for removing less dense particles e.g. organic material from a liquid e.g. water. The arrangement is such that the filter experiences a shearing/scouring force which ... | 12/26/1995 |
| 5466372 | Cyclone including an inlet diffuser tube A wet cyclone having a slender body with a truncated cone at an end thereof includes a heavy fraction outlet at an apex of the truncated cone and an immersion tube on the other end of the body. The immersion tube is cylindrical for withdrawal of a light n... | 11/14/1995 |
| 5451318 | Solids separator boundary layer effect filtration system A filtration system for water or other selected liquids that includes an ozone mixing station, a primary solids and gas separator and, if desired, a second vortex particle separator and filter system. The ozone mixing station includes a high efficiency oz... | 09/19/1995 |
| 5348160 | Coal cleaning process Fine particle coal is beneficiated in specially designed dense medium cyclones to improve particle acceleration and enhance separation efficiency. Raw coal feed is first sized to remove fine coal particles. The coarse fraction is then separated into clean... | 09/20/1994 |
