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| Number | Title | Issue Date |
| 7553413 | Plasma concentrator device A plasma concentrator of this invention having a concentrator chamber, concentrator gel beads, a filter, and an agitator. The agitator has agitator blades extending outwardly from the lower end. The agitator end is positioned in the concentrator chamber and supporte... | 06/30/2009 |
| 7399408 | Device for supercritical water oxidation of materials A method and device for oxidization of materials in supercritical water. The method involves a) introducing a fluid containing water and an oxidizing agent in a ring-shaped area and through a first end of a substantially tube-shaped reactor comprising an external wa... | 07/15/2008 |
| 7350961 | Agitation mixer, pasteurizer, and cleaning device Dissolution of a raw material, fusion of a raw material, or treatment for enhancing the fluidity of a raw material is completed in a short time by an agitation mixer 10 comprising a casing 20 in which a flow channel allowing the passage of fluid is mou... | 04/01/2008 |
| 7314571 | Methods and systems for removing floating solid waste from the surface of a watercourse A floating pond skimmer is coupled by a fluid conduit to a remote filter/aerating apparatus. The skimmer sucks a mixture of solids and water, grinds/chops the solids, and pumps the reduced solids and water through the conduit to the filter/aerating apparatus which s... | 01/01/2008 |
| 7314572 | Methods of and apparatus for low-angle-tray settling with multi-zone configuration Settleable-particles are separated from a dirty flow of settleable-particles and fluid by trays having a planar section configured with opposed ends and opposed sides, and an entrance edge and an exit edge on opposed ends. The section has opposed side edges, and an ... | 01/01/2008 |
| 7300579 | Flocculation apparatus A flush mixing tank is provided with a flocculant mixing section in which a raw water a to be treated is introduced and a flocculant such as known aluminum sulfate or polychlorinated aluminum is injected, and then they are agitated and mixed; and a floc growing sect... | 11/27/2007 |
| 7293909 | Apparatus and method for mixing by agitation in a multichambered mixing apparatus including a pre-agitation mixing chamber An apparatus for agitation mixing comprises a casing including a flow channel through which fluid passes, an agitation body consisting of a shaft installed in the casing and connected to a motor and an agitation blade mounted on the perimeter of the shaft, a powder ... | 11/13/2007 |
| 7244361 | Metals/minerals recovery and waste treatment process A metals/minerals recovery and waste treatment process comprising a main separation stage in which a metal/mineral-bearing ore is slurried with water and separated into an enriched fraction and an aqueous metal/mineral waste fraction, and a waste sedimentation stage... | 07/17/2007 |
| 7235175 | Device for treating hydrophilic sludge by hydraulic turbulence effect combined with oxidation and chemical reactions by additive input A method and device for treating sludge and slime to enable reuse in soil upgrading and in building material systems. Hydrophilic sludge and slime having a water content not less than 70% are continuously treated in a manner which enables colloid removal, dehydratio... | 06/26/2007 |
| 7135112 | Flocculation apparatus for treating colloidal suspensions A flocculation apparatus and method for treating colloidal suspensions. The apparatus includes a suspension inlet, a suspension outlet and an inner cone mounted centrally in a conical outer housing. The inner cone and/or the outer housing is rotatable relative to on... | 11/14/2006 |
| 7105092 | Sewage treatment process by activated-sludge method comprising line atomizing treatment Disclosed is a waste water disposal process in the biosolid method according to a line atomizing treatment in which a reactive gas containing oxygen or oxygen and ozone as hardly soluble gases is dissolved/stored in water as being converted into ultrafine bubbles. T... | 09/12/2006 |
| 7083050 | Method and apparatus for clarifying a slurry The invention relates to a method of clarifying and/or thickening a solution containing solids i.e. a slurry, and the apparatus for accomplishing this. Using the method and apparatus of the present invention, the flocculant to be fed into the clarification and thick... | 08/01/2006 |
| 7081206 | Filter apparatus and method with centrifugal separator for removing contaminants from a fluid The filter removes volatile, particulate and water-based contaminants from a fluid, such as lubricating oil, of a different density than the contaminants. The device has a cone shaped, jet-propelled, helical-spiral wiper rotor creating centrifugal forces that separa... | 07/25/2006 |
| 7022223 | Methods and systems for removing floating solid waste from the surface of a watercourse A floating pond skimmer is coupled by a fluid conduit to a remote filter/aerating apparatus. The skimmer sucks a mixture of solids and water, grinds/chops the solids, and pumps the reduced solids and water through the conduit to the filter/aerating apparatus which s... | 04/04/2006 |
| 7018532 | Aeration and mixing trough Contaminated water is chemically treated and aerated while being gravity fed through a trough. A series of slats are positioned in the trough to interrupt the flow and induce mixing and aeration. An array of aeration edges is removably installed over the slats. A ho... | 03/28/2006 |
| 7011748 | Water aerating and dirt collecting assembly for aquarium A water aerating device for an aquarium includes a housing having a chamber to receive a guide device which is arranged between an inlet and an outlet of the housing, a paddle wheel is rotatably attached onto the guide device, and a pumping device may be used to pum... | 03/14/2006 |
| 7001514 | Septic tank A septic tank includes a chamber, an inlet through which waste water enters the chamber, an outlet located below the inlet, and an outlet pipe including an outlet section extending through the outlet. The outlet pipe further includes an inclined section in the chamb... | 02/21/2006 |
| 6997444 | Radial disc impeller apparatus and method A radial disc impeller for use with a liquid or liquid suspension mixing assembly, having an axis of rotation. The radial disc has a hub and at least one disc extending radially away from the axis of rotation. The disc is connected to the hub at first axial location... | 02/14/2006 |
| 6955763 | Dual-cell mechanical flotation system It has been discovered that a mechanical flotation system having only two cells can be nearly as efficient as one having more cells, yet provide an apparatus with a considerably smaller footprint, significantly reduced capital and operating costs, as well as be resi... | 10/18/2005 |
| 6945408 | Flotation machine The invention relates to a flotation machine, particularly to a flotation machine rotor, that is used for dispersing air, supplied via the rotor axis, to the surrounding slurry, and in which rotor there are formed alternating air ducts and slurry grooves, so that th... | 09/20/2005 |
| 6905612 | Plasma concentrate apparatus and method A plasma concentrator for producing plasma concentrate from a plasma from which erythrocytes have been substantially removed. The device comprises a concentrating chamber having an inlet port and an concentrate outlet, the concentrating chamber containing hydrogel b... | 06/14/2005 |
| 6881332 | Sewage treatment apparatus In the present invention, solid contents 38, which are collected by a solid-liquid separation device 33 in a solid-liquid separation tank 14 and charged into a decomposing treatment tank 11, are decomposed to water and CO2 by t... | 04/19/2005 |
| 6866775 | Apparatus for treating metal-working fluid An apparatus for treating metal-working fluid comprises: a heating vessel for receiving and holding metal-working fluid for treatment; a heater for heating the metal-working fluid in the heating vessel; an agitator for agitating the metal-working fluid within the he... | 03/15/2005 |
| 6793816 | Equipment for the leaching of solid matter from sludge The present invention concerns equipment for the leaching of solid matter from a sludge with the aid of a gas containing oxygen, the said equipment comprising a tall reactor (1) equipped with a central pipe (2) and from the reactor bottom (3), a... | 09/21/2004 |
| 6787036 | Method and apparatus for aerating wastewater Oxygen depleted wastewater is introduced as a stream into the top of a vessel containing a set of perforated triangular vanes arranged to rotate about a vertical axis. The stream is directed downwardly in the vessel along a path that traverses the path of the rotati... | 09/07/2004 |
| 6773581 | System and method for solids transport in hydrothermal processes A system and method for performing hydrothermal treatment includes a scraper formed as a hollow cylinder. The scraper is positioned in the reactor vessel with the scraper axis substantially co-linear with the longitudinal axis of the cylindrical reactor vessel. A me... | 08/10/2004 |
| 6755623 | Floating pump assembly A floating pump assembly including a compact floatation assembly structured to float on a body of water and supporting a flow pump housing having an inlet, outlet and fluid drive assembly being submerged and wherein at least the outlet is oriented in a predetermined... | 06/29/2004 |
| 6706176 | Biological filter attachment for aquarium hang-on filters A biological filter for an aquarium hang-on filter that attaches to the outflow of the aquarium hang-on filter. The biological filter includes a multiplicity of convoluted plastic channels over which water exiting the aquarium hang-on filter cascades and on the surf... | 03/16/2004 |
| 6613223 | Garbage treatment apparatus A garbage treatment apparatus of the type which includes a cylindrical container formed to store an amount of porous inorganic balls containing microorganism effective for decomposition of garbage and to store an amount of garbage to be treated, a rotatio... | 09/02/2003 |
| 6491829 | Method and unit for processing contaminated liquid For conversion of harmful compound in contaminated liquid into harmless compound by use of reactant, a plurality of agitators are arranged in a vertical superposition within a closed agitation chamber and, after the contaminated liquid is charged into the... | 12/10/2002 |
| 6447681 | Aquaculture wastewater treatment system and method of making same An aquaculture wastewater treatment system is provided including three wastewater treatment subsystems. The first subsystem is comprised of a fish raceway solids removal channel populated with relatively high densities of a detritivorous fish such as tila... | 09/10/2002 |
| 6444176 | Apparatus for purification of water area A regional water purifier collects blue green algae continuously by using a water flow produced by the operation of a water flow generator, and continuously and efficiently processes the algae to make it inactive by irradiating ultrasonic waves thereon. T... | 09/03/2002 |
| 6406624 | Flocculation apparatus and apparatus for floating upwardly in a liquid and for moving downwardly in the liquid under the influence of gravity Flocculation apparatus and flotation apparatus useful in flocculation apparatus for floating paddles upwardly and allowing gravity to move paddles downwardly through a liquid to agglomerate particles suspended in the liquid.... | 06/18/2002 |
| 6391202 | Process and apparatus for treating wastewater from oil plant processing and cereal processing The invention relates to a method and installation for treating waste water from oil seed and cereal processing, especially olive oil mill waste water (OMW), guaranteeing a substantial reduction of environmentally damaging waste water ingredients while ta... | 05/21/2002 |
| 6386752 | Coagulation reaction device The present invention provides a concentration type aggregation reaction apparatus having a concentration screen, which enables an aggregation reaction to be conducted in sludge and the sludge to be concentrated by separation of a liquid by means of a sin... | 05/14/2002 |
| 6379109 | Method and apparatus for detecting and removing obstructions in mechanical aerators Because mechanical aerators are located in a pond of liquid and, therefore, not subject to convenient visual monitoring by operations personnel, it is desirable to have a method for automatically detecting and dislodging debris which become caught on the ... | 04/30/2002 |
| 6325933 | Process for biological purification of waste water under sludge retention A process for biological purification of waste water by the activated sludge method wherein the waste water is continuously passed through one or more treatment zones and a clarification zone, wherein the waste water treated in the last treatment zone at ... | 12/04/2001 |
| 6299782 | Method and apparatus for treating liquid-containing material based on organic waste products A continuous process for treating a liquid-containing organic waste material. Sufficient acid is added to the material to achieve a pH of 2 or less in the material. The material is subjected to a beating treatment sufficient to (a) reduce the viscosity of... | 10/09/2001 |
| 6299776 | Biochemical oxidation system and process A biochemical oxidation system and process is disclosed for the removal of insoluble sulfides from metal ores. A liquid mixture of an ore slurry and of a liquid biochemical oxidation medium is flowed through a plurality of covered overflow tanks connected... | 10/09/2001 |
| 6276670 | Combined mixer-aerator The invention describes an apparatus which can be used both for aeration of water and mixing of water. The apparatus comprises a power source which can drive a helical propelling device, whereby the propelling device can operate in both directions of rota... | 08/21/2001 |
