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| Number | Title | Issue Date |
| 7435864 | Method and device for the production of alkylates Disclosed is a device for the production of alkylate(s) by sulfuric acid alkylation of at least one isoparaffin such as isobutane with at least one olefin, such as butylenes. The device includes a mixing chamber for preparing a mixture of the isoparaffin with recycl... | 10/14/2008 |
| 7429363 | Riser termination device The present invention provides an improved separator for use in hydrocarbon cracking process. ... | 09/30/2008 |
| 7419608 | Treating method and equipment for coke-cooling wastewater The present invention falls within the field of purifying oil-laden wastewater, which provides a method for purifying coke-cooling wastewater in a delayed coking process in petroleum chemical field. The method comprises the following steps: (a) cooling the coke-cool... | 09/02/2008 |
| 7381309 | Apparatus for prewashing a hydrocarbon stream containing hydrogen sulfide Disclosed is an apparatus for extracting sulfur compounds from a hydrocarbon stream. A prewash section for converting hydrogen sulfide to sodium sulfide by reaction with an alkali such as caustic prepares the hydrocarbon stream for extraction. Spent alkali is contin... | 06/03/2008 |
| 7364664 | Foreign matter removing mechanism, fluid flow processing equipment, and foreign matter removing method The present processing apparatus blocks off such a portion of a flow of a plating solution (17) that is other than a vicinity of a liquid surface, by using a first partition plate (15) whose lower end is in close contact with a bottom of a plating tank... | 04/29/2008 |
| 7331472 | Method and apparatus for separation of a mixture of non-miscible liquids A tank has an inlet opening mounted at an end wall at the beginning of an elongated horizontal path for supplying a mixture to be separated, and two outlet openings mounted at the end of the elongated horizontal path for separately draining the separated liquids. An... | 02/19/2008 |
| 7329351 | Process and apparatus for increasing biological activity in waste treatment in bodies of water A process and apparatus for increasing biological activity in waste treatment ponds and lagoons. In this process a floating fluid circulator having an annular space between nested frusto-conical surfaces is operated in a pond or lagoon. An aerator within the scope o... | 02/12/2008 |
| 7279139 | Agitation type powder dissolving apparatus for reprocessing spent nuclear fuel An agitation type powder dissolving apparatus comprises a dissolving tank into which powder of spent nuclear fuel is to be supplied, an agitating member rotatably disposed in the dissolving tank, and rise inhibiting structure, disposed in the dissolving tank above t... | 10/09/2007 |
| 7273548 | Fluid filter A fluid filter, which is adapted for separating a less dense fluid floating on a high dense fluid, includes at least a fluid filtering arrangement including a floating wing adapted for floating on the less dense fluid and at least a fluid outlet formed on the floati... | 09/25/2007 |
| 7232036 | Waste collection system for separating liquid waste from solid waste According to one aspect of the invention, there is provided a waste collection system for separating liquid waste from solid waste which includes a conveyor having an upper conveyor roller, a lower conveyor roller and an endless conveyor belt extending around the co... | 06/19/2007 |
| 7223332 | Reactor and process for mercaptan oxidation and separation in the same vessel The present invention is an apparatus and process for oxidizing mercaptans in a preferably kerosene stream. By using a catalyst promoter, sufficient separation of hydrocarbon and aqueous alkali occurs in the reactor vessel to obviate the need for a settling tank. He... | 05/29/2007 |
| 7198718 | Coalescer A two phase liquid media coalescer comprises a chamber such as a pipe (1) which may be fitted into a process system by way of pressure sealable fittings (23, 24). Contained within the chamber is a coalescer media (5) manufactured from fibers of ... | 04/03/2007 |
| 7188734 | Holding device, particularly for bodily fluids, comprising a separating device, and a separating device therefor A separating mechanism for inserting in a receptacle chamber of a container receptacle having a longitudinal axis comprises two adjacently disposed components and a sealing device which is directed towards an internal wall of the container receptacle. The components... | 03/13/2007 |
| 7185766 | Skimmer A skimmer device and a method for skimming a liquid, foam, fat or other solid or liquid material or anything else that a user wants to remove or separate from a remaining liquid or solid that is left in a container. ... | 03/06/2007 |
| 7178677 | Aeration vessel for use in aerobic wastewater treatment system An aeration vessel for use in a aerobic wastewater treatment system, the aeration vessel comprised of a bottom section having a bottom wall and an inverted frustoconical side wall, a top section having a frustoconical side wall and a partition having an inverted fru... | 02/20/2007 |
| 7160394 | Sugar juice clarifier apparatus An apparatus for the continuous process of raw mixed sugar juice clarification by means of the settlement of insoluble particles and juice precipitate in a cylindrical clarifier tank that permits non-turbulent vertical subsidation and short retention time of the sug... | 01/09/2007 |
| 7105088 | Methods and systems for converting waste into energy A method for receiving animal waste from animal confinements or other concentrated animal waste sources and for converting the waste into a usable form is described. The waste contains both liquids and solids. The method includes separating the liquids and solids in... | 09/12/2006 |
| 7090082 | Method and device for separating materials A method for separating materials, in which a mixture of materials is guided through a channel in a direction of flow that extends at least approximately parallel to the gravitational field. Utilizing a wash fluid conveyed through the channel in a direction transver... | 08/15/2006 |
| 7083324 | Integrated fixed film activated sludge system using gravity assisted mixing A beam is pivotally supported at a fixed pivot support, the beam movable in cyclic tilting motion such that ends of the beam move vertically in mutually opposing directions. The ends of the beam are pivotally engaged with vertical arms extending downwardly. The arms... | 08/01/2006 |
| 7078439 | Systems and methods for catalyst/hydrocarbon product separation This invention relates to methods and apparatus for separating liquid products and catalyst particles from a slurry used in a Fischer-Tropsch reactor system. The preferred embodiments of the present invention are characterized by a separation system that uses a sedi... | 07/18/2006 |
| 7001516 | Process for removing phosphorus from wastewater utilizing a triple basin wastewater treatment system A multi-phase process for removing phosphorus from wastewater in a triple ditch or triple basin system where wastewater influent is sequentially directed to each of the three basins or ditches, sometimes referred to as first and second outer basins and an intermedia... | 02/21/2006 |
| 6969459 | Processing apparatus and an operating method thereof A processing apparatus and an operating method of the processing apparatus, in which a water insoluble oil homogeneous to a water insoluble oil (processing oil) used for a mist-lubrication in a processing site on a work is used as a lubricating oil for a lubrication... | 11/29/2005 |
| 6926822 | Method and apparatus for removing particulate contaminants from commercial laundry wastewater A filtration apparatus includes a laundry waste sump, a primary 50 micron static screen filter, a 9,000 gallon equalization tank, at least one secondary media/carbon filter, a sludge holding tank with a pump to return excess water to the equalization tank, a backwas... | 08/09/2005 |
| 6919034 | System and method for separating immiscible fluids A system and method for separating immiscible fluids are provided. The system (10) includes a hollow vessel (50) which receives a mixture (20) of a first fluid (40) and a second fluid (60), which are immiscible with respect to one ... | 07/19/2005 |
| 6913689 | Methods and apparatus for removing sediment from a liquid using pulses of pressurized air Methods and apparatus for removing sediment from a liquid are provided. Pulses of pressurized air are directed into a conduit having an inlet disposed within a first liquid-containing vessel adjacent to (or within) the sediment to cause a slurry of liquid and sedime... | 07/05/2005 |
| 6890441 | Hydraulic annular washing column, and process for separating solids from a suspension An apparatus for separating solids from a suspension includes a hollow cylindrical column having a central axis therethrough. The column has an interior with a cross-section, perpendicular to said axis, that is constant along said axis, and that extends from a first... | 05/10/2005 |
| 6878295 | Fluidized solids removal with pulsation In a wastewater treatment process involving in-line removal of settled solids through a submerged solids collection manifold, the invention provides devices (and methods?) for resuspending concentrated solids using hydraulic pressure waves to improve removal through... | 04/12/2005 |
| 6878280 | Wastewater clarification methods and apparatus The invention relates to a liquid clarifier useful for removing solids suspended in a wastewater stream. Settled biological solids are taken from the clarifier and combined in a mixing chamber with a wastewater stream. The combined liquid is provided to a settling r... | 04/12/2005 |
| 6874644 | Method of and appliance for material separation The invention relates to a method of material separation, in which a material, which comprises at least a first material component and a second material component, is introduced, together with a washing fluid, into a container with at least one sedimentation chamber... | 04/05/2005 |
| 6837997 | Disposal of sediment from pond or lagoon at petroleum refinery Method and system for removing accumulated sediment at the bottom of a waste pond or lagoon of a wastewater treatment plant for a petroleum refinery. The system comprises a primary oil separation stage for separating hydrocarbons from the wastewater stream by gravit... | 01/04/2005 |
| 6832635 | Rainwater collection and bottling system Rainwater collection apparatus having a tank with a catchment cone above it. Between an outlet at the bottom of the cone and an inlet at the top of the tank is a sediment trap which has an annular chamber. An inlet pipe with openings near its upper end extends into ... | 12/21/2004 |
| 6833078 | Solid-liquid separation system Methods and apparatus for separating liquid products and catalyst fines from a slurry used in a Fischer-Tropsch reactor. A settling system continuously or intermittently removes catalyst fines from the slurry and is coupled with catalyst-liquid separation system tha... | 12/21/2004 |
| 6818132 | Method and device for separating solids from a liquid phase The present invention relates to a process and an apparatus for separating separating polymeric from one or more by-products of preparation of the polymer and a first liquid phase, wherein the solid in a first liquid phase is brought into contact with a second liqui... | 11/16/2004 |
| 6803022 | Device and method for separating components of a fluid sample A device and method for separating heavier and lighter fractions of a fluid sample. The device includes a plurality of constituents comprising a container and a composite element in the container. The composite element is a separator comprising a deformable bellows,... | 10/12/2004 |
| 6793643 | Low extracorporeal volume treatment system A means, apparatus, and system for reducing the net fluid volume deficiency in a patient during a medical treatment process. The invention seeks to modify a batch-type process to achieve the efficiency of a continuous process by precisely measuring the net change in... | 09/21/2004 |
| 6790352 | Process for treating acid mine water with moderate to high sulfate content An apparatus for treating water contaminated with metal sulfates and sulfuric acid such as acid mine drainage (AMD) which in part recycles high pH effluent from later steps in the process back to the earlier steps of the process. The recycled high pH effluent added ... | 09/14/2004 |
| 6780335 | Liquid separation and extraction A process for the separation and extraction of liquid from a multi-component fluid within a conduit in which said liquid tends to settle, said process comprising introduction of a coil tubing into a predetermined settlement region within said conduit, said tubing ha... | 08/24/2004 |
| 6773605 | Method and system for controlling a separator unit for multiphase separation of fluids A method and a system for controlling a separator unit for multiphase separation of fluids of different densities, wherein either a pressure in the separator unit or a level of one or more of the liquids in the separator unit is adjusted in relation to a reference v... | 08/10/2004 |
| 6763950 | Wastewater treatment apparatus A method of and an apparatus for rejuvenating a wastewater treatment system of the type including a septic tank, an aerobic treatment unit or the like connected by a pipe to a plugged downstream soil absorption system includes a wastewater treatment unit which is in... | 07/20/2004 |
| 6763951 | Wastewater management system A method of and an apparatus for rejuvenating a wastewater treatment system of the type including a septic tank, an aerobic treatment unit or the like connected by a pipe to a plugged downstream soil absorption system includes a wastewater treatment unit which is in... | 07/20/2004 |