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| Number | Title | Issue Date |
| 7591946 | Dual zone feedwell for a thickener The invention provides an extraction device (1) for liquid suspensions and pulps and is designed for use in the field of mineral processing. The extraction device includes two adjacent upstream and downstream concentric chambers (2) and (3) defi... | 09/22/2009 |
| 7407319 | Storage, homogenisation and dosing system Storage, homogenisation and dosing system of substances able to precipitate or aggregate comprising at least one tank (20) for storage and a valve (40) for dosing. The at least one tank (20) comprises a tubular portion (21), a bottom (... | 08/05/2008 |
| 7351324 | Liquid fuel applying to various combustion systems with high heating value, high volatile, low pollution and low price The present invention relates to a liquid fuel blended by dissolving crude pentane into the heavy oil with different proportions, and applied to different combustion system respectively; the fuel thus formed is easily dissolved, volatilized, atomized and vaporized i... | 04/01/2008 |
| 7329392 | Device and method for handling reaction components An apparatus and method for performing successive chemical or biochemical operations in an automated or semi-automated format are disclosed. The apparatus includes (i) a substrate having two or more wells, where each well is separated from adjacent well(s) by an ene... | 02/12/2008 |
| 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 |
| 7303686 | Method of separating suspension, in particular for waste water treatment, and an apparatus for performing the same Arrangement for separating suspension, in particular for treatment of wastewater. A flocculating suspension is separated from the liquid by filtration in a fluidized layer in a sludge blanket, wherein the flocks are created from the separated suspension and fluidiza... | 12/04/2007 |
| 7300578 | Apparatus for recycling of oil-based drilling fluid contaminated with water and water contaminated with oil based drilling fluid A mobile apparatus and method for recycling an invert emulsion based drilling fluid, in which the invert emulsion based drilling fluid includes an oleaginous component and an aqueous component. The apparatus includes an emulsion breaking tank, a water treatment tank... | 11/27/2007 |
| 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 |
| 7290669 | Upflow bioreactor having a septum and an auger and drive assembly An upflow bioreactor includes a vessel having an inlet and an outlet configured for upflow operation. A septum is positioned within the vessel and defines a lower chamber and an upper chamber. The septum includes an aperture that provides fluid communication between... | 11/06/2007 |
| 7288191 | Sludge treatment apparatus A sludge treatment method allowing an improvement in a phosphorus recovery rate and sludge volume reduction by efficiently eluting phosphorus in the sludge. The sludge treatment method includes: a step of foaming a sludge-containing liquid by blowing an ozone-contai... | 10/30/2007 |
| 7276154 | Settling grid separator A settling grid separator apparatus and method of use which provides deep dehydration of high flow rate sludge in an environmentally friendly and energy efficient manner. The apparatus and method comprise and utilize an efficient mixing of the sludge with a floccula... | 10/02/2007 |
| 7209668 | Data transmission apparatus, photoelectric conversion circuit and test apparatus The data transmission apparatus for performing data communication based on optical transmission includes a transmitting unit for converting and sending electric communication data, which is to be transmitted, into optical communication data, and a photoelectric conv... | 04/24/2007 |
| 7169303 | Sorbent reactor for extracorporeal blood treatment systems, peritoneal dialysis systems, and other body fluid treatment systems Systems and methods for extracorporeal processing of blood or other body fluid for the treatment of conditions, such as sepsis, autoimmune disease, or toxemia related to kidney failure, liver failure, or drug overdose are provided. In an extracorporeal treatment sys... | 01/30/2007 |
| 7166214 | Dental amalgam separator An apparatus for the removal of mercury and other harmful substances from effluents produced in dentist offices is described. The apparatus involves a series of inclined plates upon which mercury reducing bacteria are present, and a subsequent alkaline pH precipitat... | 01/23/2007 |
| 7163198 | Stirring and aerating device for activated sludges A stirring and aerating device for activated sludges, wherein a towerlike frame is formed by a carrier element (2, 3) receiving a drive device (1) and at least three support elements (4) extending from said carrier element, wherein an air inlet ... | 01/16/2007 |
| 7147108 | Method and apparatus for the separation and collection of particles A separation operation for particles includes loading particles of various sizes and responsive to electromagnetic forces into a starting position upon a separation collection component, sending a first current through a first set of conductors in a first direction ... | 12/12/2006 |
| 7147783 | Method for reducing hydrogen sulfide emissions from wastewater A cost-effective method for reducing the dissolved sulfide content in a wastewater stream and thereby hydrogen sulfide emissions therefrom involving the steps of adding a transition metal salt to the wastewater stream at the upper reaches of a wastewater collection ... | 12/12/2006 |
| 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 |
| 7087175 | Method of separating suspension, in particular for waste water treatment A method of separating suspension, in particular for treatment of waste water, wherein the flocculating suspension is separated from the liquid by filtration in a fluidized layer in a sludge blanket wherein the flocks are created from the separated suspension and th... | 08/08/2006 |
| 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 |
| 7048852 | Method and apparatus for treating water or wastewater to reduce organic and hardness contamination A method of treating liquid including mixing coagulant with the liquid, introducing mixed coagulant and liquid into a primary reaction zone, containing an agitator, of a reactor which is substantially concentrically positioned with respect to a secondary reaction zo... | 05/23/2006 |
| 7014776 | Contaminant removal method for a body of water Pollutants, such as heavy metals, phosphorus, and pathogenic organisms, are removed from water by adding a chemical coagulant to the water within an enclosure. The water and the coagulant are mixed, and coagulation and flocculation are permitted to occur. The mixing... | 03/21/2006 |
| 6942809 | Method for treating soybean refinery wastewater This invention relates to a method for treating soybean refinery wastewater. More particularly, this invention relates to a method for treating soybean refinery wastewater with an aqueous iron salt solution to produce purified water. An aqueous iron salt solution is... | 09/13/2005 |
| 6911149 | Induced sludge bed anaerobic reactor An induced sludge bed anaerobic reactor includes a vessel in which a septum or other partition is positioned to maintain solids in wastewater being treated toward a lower zone in the reactor. A central aperture is formed in the septum into which a sludge blanket con... | 06/28/2005 |
| 6896800 | Metal containing waste water treatment method and metal containing waste water treatment equipment This metal containing waste water treatment method introduces a metal containing waste water from above into a submerged membrane separation tank 1 in which a reaction section 2, a submerged membrane section 3 having a submerged membrane 5 | 05/24/2005 |
| 6858136 | Method for treatment of silicone emulsion waste by chemical addition A method for treating silicone emulsion waste includes the steps of adding base chemical materials to the silicone emulsion waste in an amount effective to cause separating of the silicone emulsion waste. The added chemicals separate the silicone emulsion waste into... | 02/22/2005 |
| 6824692 | Installation for measuring concentration in dense granular material of a flow and water treatment system comprising same The invention concerns an installation for measuring the concentration in dense granular material in a flow comprising a liquid, a dense granular material and suspended fine particles. The invention is characterised in that it comprises: at least a member for separa... | 11/30/2004 |
| 6709585 | Purification system for wastewater coming from fruit and vegetable processing plants and phytosanitary treatments in the field Said equipment include a tank-filter (1, 15) in which a pretreatment stage is carried out. The tank (1) is a decanter to which a flocculant that is uniformly mixed with an agitator (3) can be added. The sludge is removed by delivering it to a fi... | 03/23/2004 |
| 6630070 | Wastewater treatment method and wastewater treatment equipment for recycling reactants and unreacted chemicals A wastewater treatment equipment is provided with a reaction tank and a separate reaction unit installed in the reaction tank. In the separate reaction unit, a reaction different from a reaction in the reaction tank is carried out with returned sludge and... | 10/07/2003 |
| 6620317 | Waste water treatment system A system for treating waste water includes a dry-feed hopper and a wetting flume for receipt of dry flocculant and waste water. The dry-feed hopper includes a container with a volume of dry flocculant therein. A manifold receives a nozzle connected to an ... | 09/16/2003 |
| 6562247 | Process for conducting liquid/liquid multiphase reactions in a tubular reactor having static mixing elements separated by coalescing zones A tubular reactor characterized by having short static mixing elements separated by coalescing zones is used to conduct multiphase liquid/liquid reactions. Small droplets of one of the phases are dispersed into the other phase by the static mixing element... | 05/13/2003 |
| 6517714 | Treatment of liquids with ballasted flocculation In the typical embodiments disclosed in the specification, a ballasted flocculation liquid treatment arrangement includes a mixing chamber in which liquid to be treated, flocculating agents and granular material are mixed. The mixture is supplied to the b... | 02/11/2003 |
| 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 |
| 6383370 | Apparatus for treating wastewater An apparatus for treating wastewater including a physical-chemical reactor; a chemical supply operably connected to the physical-chemical reactor; a clarifier operably connected to and located downstream of the physical-chemical reactor; a ballast recircu... | 05/07/2002 |
| 6334952 | Coagulating sedimentation apparatus A sedimentation apparatus for precipitating and separating suspended solids and coagulated flocs in a liquid to be treated, so as to clarify the liquid. The sedimentation apparatus comprises a mixing chamber secured within a sedimentation tank, for mixing... | 01/01/2002 |
| 6267877 | Separation of a waste phase from a water based emulsion A settling tank for separating an emulsion with a known volumetric percentage of oil includes lower and upper settling chambers. The emulsion is settled by gravitational means and can be aided by demulsifying agents. Once settled, a layer of oil floats on... | 07/31/2001 |
| 6251264 | Water purification apparatus A method for purifying water containing organic matter includes dispersing photo-catalyst particles and an inorganic coagulant into the water; oxidizing the organic matter by activating the photo-catalyst particles by irradiating them with light; maintain... | 06/26/2001 |
| 6197190 | Tapered flocculation water treatment Described herein is an improved water treatment process for separating particulate contaminants from raw water. The process is performed by introducing, into a single tank, raw water injected with a coagulating agent for neutralizing charges on the partic... | 03/06/2001 |
| 6132607 | System for continuous magnetic separation of components from a mixture A magnetic system and apparatus having a multi-dimensional gradient for continuous, on-line separation of components from a mixture of chemical entities which comprises at least one separation chamber with a plurality of channels and a plurality of magnet... | 10/17/2000 |
| 6093318 | Magnetic purifying apparatus for purifying a fluid An improved apparatus for removing magnetic material from a flowing fluid such as water by magnetic separation has a single set of electromagnets which are used with a plurality of magnetic filters for continuous magnetic separation operation alternately ... | 07/25/2000 |
