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Class 205/756 - Using oxygenating gas (e.g., ozone, air, etc.)


Subclass of Class 205 - Electrolysis: processes, compositions used therein, and methods of preparing the compositions
Definition: Subject matter in which the water, sewage, or other waste
No. of patents: 86
Last issue date: 02/12/2008


1      
NumberTitleIssue Date
7329357Method for removing fluorine from a fluorine-containing wastewater
A method for removing fluorine from wastewater includes the steps of: adding a fluorine-reactive agent, that comprises a water-soluble sodium compound and a water-soluble aluminum compound, into the wastewater so as to form sodium ions and aluminum ions in the waste...
02/12/2008
7267710Method of and apparatus for regenerating adsorbent
An apparatus for regenerating an adsorbent includes an electrolytic cell filled with an electrolyte and an electrode unit that includes a first electrode made from the adsorbent in which a substance is adsorbed and a second electrode. The first electrode and the sec...
09/11/2007
7264738Method for killing organisms in the course of conveying ballast water in ships and apparatus thereof
The present invention relates to gaseous discharge and applied biotechnology. In particularly, the present invention relates to a method for killing organisms in the course of conveying ballast water in ship, comprising applying a voltage with frequency of 400-40000...
09/04/2007
7252752Method and apparatus for removing contaminants from conduits and fluid columns
A method and apparatus for contaminant separation utilizes an interleaved array of oppositely charged electrode plates for fluid treatment. Spacing between the parallel electrode plates is graduated so that the volume of the cavities between the opposing electrodes ...
08/07/2007
7241373Nitrogen treating method
There is provided a nitrogen treating method capable of treating nitrogen compounds efficiently. The method is a nitrogen treating method of treating nitrogen compounds in for-treatment water by electrolysis and performs a first treating step of producing ammonia fr...
07/10/2007
7153420Water purification by polymer colloids
A colloid comprises a sulfone polymer. The colloid may be used as a replacement for activated carbon or charcoal in water purification systems. Unlike activated carbon, the colloid is advantageously regenerated chemically and reused. ...
12/26/2006
7128872Method and apparatus for ozone sterilization
The sterilization method disclosed includes the steps of providing a sterilization chamber; placing the article into the sterilization chamber; equalizing the temperature of the article and the
10/31/2006
7056061Remediation of contaminates including low bioavailability hydrocarbons
A method of treatment of a contaminated material contaminated with an organic compound. The method includes treating the contaminate with a bioremediation step followed by a chemical oxidation step. The bioremediation step includes contacting the contaminate with a ...
06/06/2006
7018522Method and apparatus for removing contaminants from conduits and fluid columns
A method and apparatus for contaminant separation utilizes an interleaved array of oppositely charged electrode plates for fluid treatment. Spacing between the parallel electrode plates is graduated so that the volume of the cavities between the opposing electrodes ...
03/28/2006
6923901Non-chemical water treatment method and apparatus employing ionized air purification technologies for marine application
Contaminated water, particularly, ballast water, blackwater, galley water, accommodation water, laundry water, fresh water and seawater, is disinfected by admixture of a highly reactive gas stream containing ions of oxygen and nitrogen, formed by exposure of air to ...
08/02/2005
6841058Redox bipolar cell fabric washer system
A redox bipolar cell fabric washing system and method is disclosed that provides for washing fabrics without the use of any added detergents, fabric softeners, or bleaches, or other chemical al additives. The system includes a conventional fabric washing machine wit...
01/11/2005
6802981Method for purification and disinfection of water
A novel system and method for purification and disinfection of water containing contaminates is provided. The system includes an aeration column, a first intermediate tank, a first mechanical filter, an electric discharge device, a second intermediate tank, a second...
10/12/2004
6793801Method and apparatus for removing contaminants from conduits and fluid columns
A method and apparatus for contaminant separation utilizes an interleaved array of oppositely charged electrode plates for fluid treatment. Spacing between the parallel electrode plates is graduated so that the volume of the cavities between the opposing electrodes ...
09/21/2004
6773575Electrolytic cell and process for the production of hydrogen peroxide solution and hypochlorous acid
An electrolytic cell and process for the simultaneous production of hydrogen peroxide and hypochlorous ion. The electrolytic cell has an anode chamber housing an insoluble anode capable of oxidizing halide ion, a cathode chamber housing a gas diffusion cathode capab...
08/10/2004
6758959Method and apparatus for oxygenating ground water
An oxygenation unit for insertion into a well is used to increase the oxygenation of ground water. The unit includes a length of tubing suspended in the well. Within the tubing are a plurality of parallel spaced plates. An electric potential is applied across adjace...
07/06/2004
6706168Wastewater treatment method and apparatus
Wastewater treatment operations, i.e. the coagulation, decomposition, sterilization and separation of impurities such as the sludge, organisms, etc. in a liquid to be treated are carried out by applying an AC voltage of a specific frequency between first and second ...
03/16/2004
6689262Microbubbles of oxygen
An oxygen emitter which is an electrolytic cell is disclosed. When the anode and cathode are separated by a critical distance, very small microbubbles and nanobubbles of oxygen are generated. The hydrogen forms bubbles at the cathode, which bubbles rise t...
02/10/2004
6623615Electrolytic hydrogen dissolved water and method and apparatus of production thereof
Purified water is obtained from tap water. NaCl is added to the purified water so that the conductivity thereof is at least 100 μS/cm. Then, electrolysis is applied. The obtained cathode water is output and neutralized. The obtained cathode water include...
09/23/2003
6613217Electrocoagulation chamber and method
A stream of process liquid is treated while flowing through in a horizontally elongated chamber having an open top. Longitudinally elongated electrode blades are aligned with the longitudinal dimension of the chamber. An overhead disbursement chamber supp...
09/02/2003
6551518Combined ozonation and electrolytic chlorination water purification method
A water purification system for a swimming pool, pond, aquatic mammal tank, spa or fountain, which is simple to operate, low in maintenance, and highly reliable. The system takes advantage of synergistic benefits derived from the combination of ozonation ...
04/22/2003
6551517Method for transforming chemical structures in a fluid under pressure and in high temperature
The present invention relates to a process for converting chemical structures, that is to say a process for the conducting of chemical reactions in a fluid under pressure and at temperature in a supercritical fluid in particular, containing a solvent and ...
04/22/2003
6547947Method and apparatus for water treatment
A method and apparatus for water treatment. The method comprises supplying an oxygen-containing gas to cathode 6 to yield hydrogen peroxide, supplying an inorganic acid to anode 5 through an acid solution addition opening 4 to yield an oxidation product, ...
04/15/2003
6478949Method 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
6358398Waste water treatment method and apparatus
A method for separating contaminants from a aqueous source containing contaminants. In one embodiment, the method involves the use of a high powdered oxidant dissolved within the aqueous system. The gas is dissolved within a reservoir in the aqueous solut...
03/19/2002
6332972Decontamination method and system, such as an in-situ groundwater decontamination system, producing dissolved oxygen and reactive initiators
An apparatus for decontamination contaminated groundwater in-situ by increasing the quantity of dissolved oxygen in the contaminated groundwater and generating reactive initiators to remediate the contaminated groundwater. The apparatus includes a submers...
12/25/2001
6325916Waste water treatment method and apparatus
A method for separating contaminants from a aqueous source containing contaminants. In one embodiment, the method involves the use of a high powdered oxidant dissolved within the aqueous system. The gas is dissolved within a reservoir in the aqueous solut...
12/04/2001
6315887Device and method for the purification of polluted water
A device for the purification of polluted water, especially adapted to remove therefrom organic pollutants. The device makes use of a reactor wherein the polluted water is subjected to the combined action of an ozone containing gas in the presence of an o...
11/13/2001
6277288Combined ozonation and electrolytic chlorination water purification method
A water purification system for a swimming pool, pond, aquatic mammal tank, spa or fountain, which is simple to operate, low in maintenance, and highly reliable. The system comprises at least an ozonator and an electrolytic chlorinator. The system prefera...
08/21/2001
6224744Electrolytic purification of contaminated waters by using oxygen diffusion cathodes
The process comprises the oxidation, in an electrolytic cell provided with at least one anodes of pollutants which contaminate wastewaters, and is characterized in that oxygen is diffused in the electrolytic cell cathode or cathodes subjected to a voltage...
05/01/2001
6171469Method 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
6132590Electrolytic process for treating aqueous waste streams
An electrochemical process for the production of a hydroxide solution and a sulfate by the electrolysis of a waste aqueous mixture of oxidizable sulfur impurities in the anode compartment of at least one electrolytic cell while producing a hydroxide solut...
10/17/2000
6110353Housing and method that provide extended resident time for dissolving generated oxygen into water
An apparatus for increasing the quantity of dissolved oxygen in water. The apparatus includes an inlet for receiving untreated water. A cell housing having an electrolytic cell therein is coupled to the inlet. A resident time housing is connected to the c...
08/29/2000
6080300Electrolytic process for generation of low-sulphate ferric hydroxide suspensions to effect purification of wastewater
The present invention is directed to a process for treating wastewater which comprises producing a ferric hydroxide suspension directly by electrolysis of the wastewater to precipitate heavy metals and organic or inorganic suspended solids thus purifying ...
06/27/2000
5928490Laundry wash process and waste water treatment system
An improved laundry treatment system comprises a washer which is connected to discharge used water to a tank for filtration and recirculation to the washer, and a tank containing water for making up losses in the wash cycle, and an electrolytic cell there...
07/27/1999
5911870Housing and method that provide extended resident time for dissolving generated oxygen into water
An apparatus for increasing the quantity of dissolved oxygen in water. The apparatus includes an inlet for receiving untreated water. A cell housing having an electrolytic cell therein is coupled to the inlet. A translucent resident time housing is connec...
06/15/1999
5904832Regeneration of active carbon and polymeric adsorbents
Method for the regeneration of active carbon and polymeric adsorbents having oxidizable, organic pollutants adsorbed thereon by electrochemical and chemical means and apparatus therefor. The method involves a desorption step and a decomposition step. Deso...
05/18/1999
5888357Apparatus and method for producing ionic water and system and method for producing electrolytic ionic water
The present invention provides an apparatus and a method for producing ionic water which are capable of producing ionic water containing a low concentration of electrolyte with high reproducibility. The present invention also provides an apparatus and a m...
03/30/1999
5792336Method for purification of wastewater from soluble substances
A two stages electrocatalytic method for oxidative-purification of wastewater from soluble substances, such as toxic chemical admixtures difficult of oxidation, including dye-stuffs, detergents, phenols, cyanides and the like, which stages inactivate the ...
08/11/1998
5783790Wet treatment method
A surfactant is added to anodic or cathodic water obtained by electrolyzing deionized water or high-purity water. Then, an object of treatment is treated with the anodic or cathodic water containing the surfactant. The object of treatment may be treated, ...
07/21/1998
5776351Method for regeneration and closed loop recycling of contaminated cleaning solution
An oxidation process for regeneration and closed loop recycling of cleaning solutions contaminated with used surfactants, fats, oils, greases, and inorganic and organic contaminants converts the contaminated cleaning solution into a reusable cleaning solu...
07/07/1998
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