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| Number | Title | Issue Date |
| 8147673 | System and process for treatment and de-halogenation of ballast water A system and process for de-halogenating ballast water before releasing the ballast water from the vessel. In one embodiment, the system comprises a means for measuring the halogen content of the ballast water, a reducing agent source in fluid communication with the... | 04/03/2012 |
| 7875164 | Method for use of an electrochemical sensor and electrodes forming said sensor A method for in situ self-calibrating of an electrochemical sensor for measuring the concentration of one or more species in an aqueous medium. The method includes: taking a first measurement of the current of a working electrode representative of the concentration ... | 01/25/2011 |
| 7264734 | Method for treating dredged material The present invention provides a method for treating dredged material in which liquid is first added to the dredged material, and dewatering the dredged material to obtain a filtrate and a solid portion. Contaminants are removed from the dredged material by at least... | 09/04/2007 |
| 7262510 | Chip package structure A process for fabricating a chip package structure with the following steps is provided. First, a chip having an active surface is provided. A plurality of solder bumps is disposed on the active surface. Then, a polymer material including flux is placed on the surfa... | 08/28/2007 |
| 7258779 | Method and means for hydrogen and oxygen generation A method and means for producing a combustible mixture of hydrogen and oxygen by electrolysis of water using a pulsed application of water onto electrodes while applying an electrical potential between electrodes and where the electrodes are not immersed in the wate... | 08/21/2007 |
| 7258800 | Electrocoagulation waste water batch tank treatment system A waste water treatment system and process for treating waste water received in a batch tank. The waste water is discharged in a headwork screen for removing large solids in the water. The solids are into a sludge drying bin. The screened water is transferred into a... | 08/21/2007 |
| 7251959 | Washwater neutralization system for glass forming line A neutralization system for controlling the pH of the washwater used to clean and maintain polyacrylic bound glass forming equipment. The neutralization system introduces a base solution to a washwater solution when the pH of the washwater solution contained in a cl... | 08/07/2007 |
| 7250143 | Device for spraying water The invention concerns a device for spraying water in a feedwater tank of a thermal power plant. Because the spraying device comprises a catalyst for the conversion of the gases contained in the water, the gases released from the water during the spray degasificatio... | 07/31/2007 |
| 7250110 | Electro-kinetic water conditioning A method for treating hard water comprising the steps of flowing water containing suspended colloidal mineral particles through a confined treatment zone, applying an electrical potential across the flowing water to cause electrical current to flow through the water... | 07/31/2007 |
| 7238278 | Apparatus for purifying water The invention relates to a method for purifying water by forming in an electrolytic cell molecular halogen, hypohalic acid, hypohalite ions or combinations thereof, from halide ions dissolved in the water; and dissolving one or more soluble metal salts in the water ... | 07/03/2007 |
| 7186323 | Electrolyzed water production system An electrolytic ion-water production apparatus in which purified water without residual chlorine is electrolyzed to produce alkaline-ion water without any chloride smell of lime in use of the apparatus, and in which a mixture of purified water treated by a water pur... | 03/06/2007 |
| 7185516 | Washwater neutralization system for glass forming line A neutralization system for controlling the pH of the washwater used to clean and maintain polyacrylic bound glass forming equipment. The neutralization system introduces a base solution to a washwater solution when the pH of the washwater solution contained in a cl... | 03/06/2007 |
| 7160434 | Therapeutic electrolysis device An electrolysis device is provided. The electrolysis device includes an ionizer unit having first and second plate assemblies that each provide a different surface area that is contacted by water when the unit is in use. The plate assemblies may each provide a diffe... | 01/09/2007 |
| 7011750 | Water treatment device The object of the present invention is to provide a water treatment device in which temperature does not affect performance in nitrogen removal. Water circulates in a first anaerobic filter bed chamber 5, a second anaerobic filter bed chamber 10, a con... | 03/14/2006 |
| 6878268 | Apparatus for purification of water Provided are an apparatus and a method for purification of water in which impurities in contaminated water can be removed with a reduced amount of flocculant and with high efficiency. The apparatus comprises, in the order from the side where contaminated water is in... | 04/12/2005 |
| 6814853 | Water treating method, water treating apparatus, and hydroponic system using the same There is provided a method for water treatment, capable of greatly improving the effect of removing microbes contained in water for eating and drinking, or discharged water. This water treatment method comprises: a first treatment step of dipping a pair of electrode... | 11/09/2004 |
| 6797179 | Method for removing dissolved metals from wastewater by electrocoagulation A system is provided for removing dissolved metals from industrial wastewater by electrocoagulation. The system includes an electrocoagulation reactor with a DC power supply having an insulation support enclosure with positive and negative electrode plates disposed ... | 09/28/2004 |
| 6733679 | Method of treating an electroless plating waste A method of treating an electroless plating waste is provided. The waste is contained and an ability of a reducing agent to reduce a metal of the waste is decreased, for example by adding a stabilizing chemical or by exposing the waste to an anode to which a positiv... | 05/11/2004 |
| 6712947 | Water purifying apparatus with electric field generator A purifying apparatus for purifying flowing water includes a negative electrode plate disposed on a flowing water bed and a positive electrode plate disposed at an upper face opposite to the negative electrode plate, wherein the positive electrode plate is adapted t... | 03/30/2004 |
| 6699381 | Water purification/sterilization method and device therefor It is a compact water purification/sterilization method and its device with a high electrolytic efficiency in which even though it is used continuously for a long period of time in order to purify and sterilize water with low electrical conductivity such ... | 03/02/2004 |
| 6652733 | Method of operating a reactor for removing impurities by electrochemical means A method of operating a reactor for removing impurities by electrochemical means from liquids, such as aqueous solutions. The liquid is passed through series of plateshaped reaction electrodes electrically insulated against each other with a liquid speed ... | 11/25/2003 |
| 6645366 | Waste water treatment device A waste water treatment device is provided in which removal of phosphorus and removal of nitrogen can efficiently be carried out and a decrease in size of the device and a decrease in cost can be achieved. The waste water treatment device includes a waste... | 11/11/2003 |
| 6572902 | Process for producing improved alkaline drinking water and the product produced thereby A process for producing improved alkaline water includes filtering potable source water to remove selected particles and then purifying the filtered water. Selected alkaline minerals are added to the purified water, with the resulting mineralized water be... | 06/03/2003 |
| 6533942 | Cooling tower water cleaning system A cooling tower water purification system uses an electrical cleaning method by passing water over or through an anode and a cathode. The pH of the water is monitored and adjusted using injected CO2 gas. The water can also be mechanically filte... | 03/18/2003 |
| 6527942 | Conditioning system and method for reducing the oxygen content of water carried in a subsystem of an industrial plant A conditioning system for reducing an oxygen content of water carried in a subsystem of an industrial plant includes an electrolysis unit having a hydrogen side, an anode, and a cathode. The anode and cathode are connected to the subsystem to decompose wa... | 03/04/2003 |
| 6521810 | Contaminant treatment method The present invention provides a method for treating contaminated media. The method comprises introducing remediating ions consisting essentially of ferrous ions, and being peroxide-free, in the contaminated media; applying a potential difference across t... | 02/18/2003 |
| 6478949 | Method and apparatus for increasing the oxygen content of water A method and apparatus for increasing the oxygen content of water have been shown and described. A volume of water is passed between the electrodes of an electrolytic cell, a portion of the volume of water converting to dissolved oxygen. A desired level o... | 11/12/2002 |
| 6346187 | Alternating-polarity operation for complete regeneration of electrochemical deionization system An electrically regeneratable battery of electrochemical cells for capacitive deionization (including electrochemical purification) and regeneration of electrodes is operated at alternate polarities during consecutive cycles. By polarizing the cells, ions... | 02/12/2002 |
| 6325944 | Method for installing and removing a liquid purification system A liquid purification system comprises a flow cell housing electrodes capable of introducing ions into a liquid passing through the flow cell when a current supplied by a controller is applied across the electrodes. The controller is capable of supplying ... | 12/04/2001 |
| 6319390 | Method of and system for cleansing a toilet or urinal A method of and system for cleansing a toilet or urinal are proposed which require less maintenance work and are safer to users than conventional methods using acid substances, and which can prevent the formation of stain on the toilet or urinal effective... | 11/20/2001 |
| 6270680 | Amperometric sensor probe for an automatic halogen control system An amperometric bromine control system accurately maintains a desired concentration of bromine within a home spa or in other water features. The control system employs amperometric sensing to measure the bromine concentration in the spa water and uses thi... | 08/07/2001 |
| 6255551 | Method and system for treating contaminated media A process treats contaminated media and comprises detecting a non-uniform contaminated media property selected from electrical conductivity or electroosmotic permeability; and selectively applying an electric field to the contaminated media to effect the ... | 07/03/2001 |
| 6241872 | Process and equipment for electrochemical dual phase concentration, collection and removal of ions A method and apparatus concentrates, collects and removes heavy metals, other cations, and anions from media permitting generation of electrical fields. The heavy metals and other cations are electrochemically concentrated and precipitated for rapid remov... | 06/05/2001 |
| 6197187 | Treatment for contaminated media A method for treating a contaminated media. The method comprises disposing electrodes at the contaminated media, injecting a salt-containing solution into contaminated media, applying an electric voltage between electrodes imposed peripherally to the regi... | 03/06/2001 |
| 6179991 | Machine and process for treating contaminated water A machine and process for treating contaminated water having a chamber with at least two electrodes having voltages of different polarities and made of metals containing multivalent salts; an inlet port for introduction of untreated contaminated water to ... | 01/30/2001 |
| 6171469 | Method and apparatus for increasing the oxygen content of water A method and apparatus for increasing the oxygen content of water have been shown and described. A volume of water is passed between the electrodes of an electrolytic cell, a portion of the volume of water converting to dissolved oxygen. A desired level o... | 01/09/2001 |
| 6083377 | Electrochemical treatment of water contaminated with nitrogenous compounds Waters contaminated by nitrogenous compounds such as nitrate, ammonium, etc., are treated by electrochemical transformation of the contaminant to nitrogen gas. Electrodes are placed in the contaminated water to form a cell, in which the voltage of one of ... | 07/04/2000 |
| 6074537 | Equipment for electochemical collection removal of ions A method and apparatus concentrates, collects and removes heavy metals, other cations, and anions from media permitting generation of electrical fields. The heavy metals and other cations are electrochemically concentrated and precipitated for rapid remov... | 06/13/2000 |
| 6033549 | Method of electrolysis In order to provide a method of electrolysis for the electrolysis of water, in which water is decomposed electrolytically from an electrolysis medium and the electrolysis gases hydrogen and oxygen obtained are each separated from the liquid electrolysis m... | 03/07/2000 |
| 6007693 | Spa halogen generator and method of operating A halogen generator produces a halogen sanitizing agent to sanitize water in a spa or other water feature. A coaxial wall fitting desirably couples the halogen generator to the water feature. The halogen generator desirably includes a bipolar electrolytic... | 12/28/1999 |
