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| Number | Title | Issue Date |
| 8083935 | Cuttings vessels for recycling oil based mud and water A system for recycling a drilling fluid that includes a first cuttings storage vessel, a second cuttings storage vessel, and a module fluidly connected to the first and second cuttings storage vessels, the module having a valve configured to fluidly connect the firs... | 12/27/2011 |
| 8017001 | System for mineral hardness management The disclosed systems and methods for maintenance of an enclosed body of water generally include mobile systems and/or methods for removal of mineral hardness and other particulate impurities via lime softening filtration. Chemicals are added to a body of water cont... | 09/13/2011 |
| 7985334 | Device for thickening sludge carried along in waste water In one embodiment, the present invention relates to a method for thickening sludge carried along in waste water, wherein the waste water is subjected to a pretreatment reinforcing the flocculation and is subsequently introduced in the direction of gravity into a bat... | 07/26/2011 |
| 7972501 | Fluid clarification system and apparatus A fluid clarification system and method is described in which fluid is passed through one or more settling compartments, each having a solids outlet at the base of the compartment. The base of each compartment includes inclined surfaces for guiding settled solids to... | 07/05/2011 |
| 7922897 | Fluidized bed wastewater treatment apparatus A fluidized bed reactor for removing phosphorus and nitrogen from wastewater has a column comprising a number of sections. The diameter of the column changes stepwise between the sections. A flow velocity in excess of 100 cm/min is maintained in a lowermost one of t... | 04/12/2011 |
| 7901571 | Apparatus for the incorporation of a dry treatment product into a liquid waste A flow-through mixing apparatus for incorporating a dry treatment product into a waste stream. The apparatus comprises a pump for directing a liquid waste from a storage pit/tank, a mixer that receives the liquid waste from the pump, and a valve downstream of the mi... | 03/08/2011 |
| 7892420 | High volume liquid waste collection and disposal system A system for collecting, treating and disposing of waste fluid includes a station that features transfer, flushing and mixing pumps as well as a bowl that holds the waste fluid. The waste fluid is collected in a container mounted on a cart. The cart container connec... | 02/22/2011 |
| 7833411 | Ballast water treatment apparatus The present invention provides a ballast water treatment system including a reaction tank in which raw water and ozone are imported and made to react each other for a predetermined period of time to kill microorganisms existing in raw water, an ozone decomposer in w... | 11/16/2010 |
| 7828961 | Sludge thickening device A differential rate rotary thickener; a power detector which is disposed in a sludge receiver tank for thickened sludge thickened in the differential rate rotary thickener; a discriminator which receives an electric signal for a thickened sludge concentration (X) de... | 11/09/2010 |
| 7828962 | Apparatus for treating a waste stream An integrated unit operations for the treatment of a waste stream, such as spent caustic, is provided in a single vertical vessel having at least three separate zones: a mixing, a settling, and a mass transfer zone. ... | 11/09/2010 |
| 7678265 | Arrangement for separating environmentally harmful substances from a polluted mass The present invention relates to a process and an apparatus for separating environmentally hazardous substances, such as heavy metals and oil, from a contaminated mass, such as sewage sludge or soil from industrial sites. According to the process, an aqueous metal h... | 03/16/2010 |
| 7550075 | Removal of contaminants from a fluid A method and apparatus for removing contaminants from a fluid are disclosed. The fluid is introduced into a decontamination chamber such that the fluid is cooled and contaminants fall out within the decontamination chamber, producing a purified fluid. The purified f... | 06/23/2009 |
| 7547388 | Superoxidant poiser for groundwater and soil treatment with in-situ oxidation-reduction and acidity-basicity adjustment Equipment and process by which an operator can set (or program) a time sequence of coatings of oxygen with increasing oxidation potential for in-situ treatment (chemical reaction) of organic compounds ranging from superoxidation (catalyzed ozone) to reduction condit... | 06/16/2009 |
| 7527727 | Adsorption system An adsorption apparatus and method of adsorption for treatment of wastewater is disclosed, and comprises an inlet for the wastewater connected to a metals trap which adsorbs metals and a second trap which filters organic materials from the wastewater, positioned bet... | 05/05/2009 |
| 7527726 | Fluid treatment apparatus Processes and apparatuses for treating drilling fluid by passing the fluid through a separator including a clarifying zone and a thickening zone, the clarifying zone having inclined plates and the thickening zone having at least one wall with an angle of less than a... | 05/05/2009 |
| 7517448 | Recycling cool water filter A cooling water recycling filter comprises a supersonic and electromagnetic wave limescale processor installed inside a main water recycling system of water storage tank and a sub water recycling system installed outside a main water recycling system. The sub water ... | 04/14/2009 |
| 7481918 | Vibratory mixer A treatment system including a vibratory mixer is disclosed. The vibratory mixer comprises a vibrating element to facilitate the dissolution of a treating agent that facilitates separation of solids from liquids in water and wastewater streams. Vibratory mixing ener... | 01/27/2009 |
| 7409853 | Floatable housing for in situ water monitoring system An electronic system for use in a body of fluid is disclosed. The electronic system includes a first housing element and a second housing element. The second housing element is hermetically sealed to the first housing element, forming a first chamber there between. ... | 08/12/2008 |
| 7402239 | Water purification apparatus and method of using the same A water purification apparatus, comprising a water pump, wherein the water pump inlet port receives water from an external source, a nonreturn valve in fluid communication with the water pump outlet port, and an ionizer chamber in fluid communication with the nonret... | 07/22/2008 |
| 7393450 | System for maintaining pH and sanitizing agent levels of water in a water feature A system automatically maintains at least one of a pH level and a sanitizing agent level of water in a water feature. The system includes a sensor assembly responsive to at least one of a pH level of the water and a sanitizing agent level of the water. The system fu... | 07/01/2008 |
| 7390399 | Water treatment control systems and methods of use The control systems and technique can regulate or control operations of a water treatment system in a primary control mode and, when appropriate, in a secondary or an alternate control mode. The primary control can represent a normal control mode during which the wa... | 06/24/2008 |
| 7381325 | Spa treatment system A spa treatment system for maintaining spa water includes a spa that has a peripheral wall bounding an inner portion having water therein. An outlet and an inlet are each fluidly coupled to the inner portion. A water testing assembly is in fluid communication with t... | 06/03/2008 |
| 7361270 | Apparatus for water treatment Water is treated by precipitating dissolved contaminants. A treatment vessel is provided having an inlet for receiving the water under treatment and an outlet for flowing treated water therefrom. A high volume of fine air bubbles are diffused into the water within t... | 04/22/2008 |
| 7363115 | Batch mixing method with first derivative homogeneity monitoring There is disclosed a system and method of formulating a batch comprising at least two chemicals. An embodiment is disclosed wherein a feedforward algorithm can be used to control the target blend. Subsequently a feedback closed loop control loop algorithm is provide... | 04/22/2008 |
| 7357859 | Methods and systems for membrane testing A method for testing the integrity of a membrane includes steps of placing a magnetically susceptible material in a fluid upstream of the membrane, collecting the material downstream of the membrane using a magnetic field, and detecting the material using a sensor. | 04/15/2008 |
| 7356427 | Methods and systems for estimating a nominal height or quantity of a fluid in a mixing tank while reducing noise Systems and methods are provided for estimating the height of a fluid contained in a mixing tank. A dynamic control device which operates as an external observer is used for controlling and monitoring the estimation. This estimate of the height is then compared to t... | 04/08/2008 |
| 7354509 | Wastewater treatment system A wastewater treatment system comprising means of decontaminating wastewater; means of measuring control parameters of the wastewater; means for controlling said decontamination means; and a programmable logic controller. The user is able to receive control paramete... | 04/08/2008 |
| 7351329 | Potable water station sanitizing system and method A system for sanitizing a potable water station includes a pair of conduits providing a fluid connection between the potable water station and the system. It also includes a pump operable for circulating water from the potable water station through one of the condui... | 04/01/2008 |
| 7347945 | Method and an installation for separating out multiphase effluents The invention relates to a method and to an installation for separating out an effluent made up of a multi-phase fluid mixture. According to the invention, said installation includes gravity separator means whose geometrical separation characteristics can be adjuste... | 03/25/2008 |
| 7341662 | Distribution and collection headers for a filter bed A filtration vessel has an inlet for inflow into the filtration vessel of liquid media to be filtered, a body of filter media in the filtration vessel, and a drain to receive filtered liquid media for take off from the filtration vessel. The inlet is configured to i... | 03/11/2008 |
| 7335309 | Method for removing metal compounds from waste water A method for removing metal compounds from waste water comprising the steps of adjusting the pH of the water to from 5 to 12 and preferable 6 to 9; aerating the waste water; adding a flocculating agent to the water and allowing floccules including metal compounds to... | 02/26/2008 |
| 7329338 | Conductivity sensor for an ion exchange water softener A water treatment system includes a tank that contains a particle bed for removing minerals from water flowing through the tank. The regeneration of the particle bed is conducted in response to measuring its conductivity. A probe is provided for that measuring. That... | 02/12/2008 |
| 7326343 | Treatment of wastewater containing phosphorous and nitrogen A method and process for the treatment of wastewater containing phosphorous and nitrogen. The wastewater is first anaerobically treated to produce an anaerobic effluent from which insoluble organic carbon is separated to form a sludge rich in organic carbon that is ... | 02/05/2008 |
| 7326352 | Water treatment system A water treatment system for reducing the level of bacteria in a flow of water by creating an environment favorable for aerobic bacteria and unfavorable for anaerobic bacteria is disclosed. The system may include a method including intaking a flow of water, lowering... | 02/05/2008 |
| 7320749 | Method and apparatus for control of a gas or chemical A system and method for control of a gas and/or chemical for treatment of a fluid, and for monitoring the operation of such a system. In one embodiment, the system comprises a reactor for receipt of the fluid and the gas and/or chemical for dissolving, mixing, diffu... | 01/22/2008 |
| 7319921 | Water treatment control system A water filter system comprising a control system, communication means, piping, actuators, sensors and valves. The control system utilizes a communication bus for controlling and monitoring water flow through the piping via control of the actuators and valves. The c... | 01/15/2008 |
| 7314554 | Extracorporeal blood treatment machine The invention relates to an extracorporeal blood treatment machine in which a blood circuit (3) is equipped with an inlet line leading to a filtration unit (2) and with an outlet line (3b) from the filtration unit; a fluid circuit compris... | 01/01/2008 |
| 7314547 | Fountain solution recycling system for commercial printers A method of and apparatus for extending the life of fountain solutions used in commercial printing presses comprises withdrawing fountain solution from the dampener recirculation system of a printing press and directing the withdrawn fountain solution through a sedi... | 01/01/2008 |
| 7314568 | Water conditioning system A multi-stage water conditioning system is structured for conditioning a flow of influent water passing through the conditioning system by removing one or more cations including sodium, iron, barium, and or ammonia from the influent water, while also possibly adding... | 01/01/2008 |
| 7314546 | Disinfectant system and method for the chemical treatment of wastewater A system for the chemical treatment of wastewater may be discharged in a night spray system, an on demand system or a dosing system. Tank 12 receives wastewater, and a discharge pump 16 pumps wastewater from the tank in the night spray system. A sensor... | 01/01/2008 |
