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7445800 |
Method for remediating mold and mildew using acidic electrolyzed water
Methods for remediating mold and mildew are provided using acidic electrolyzed water. Acidic electrolyzed A water, electrolyzed C water or combination of electrolyzed A and C water is released into...
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7285194 |
Conductive diamond electrode and process for producing the same
A conductive diamond electrode including a conductive substrate comprising a carbonaceous material, a conductive diamond catalyst layer formed on a surface of the conductive substrate, and a carbon...
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7251027 |
Real time in situ monitoring of a solution
A real time in situ system and method for monitoring solutions, such as basic hydrogen peroxide (BHP) and other laser fuel solutions, is provided. Raman spectroscopy is applied to a solution of...
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7241390 |
Method and system for biologic decontamination of a vessel's ballast water
A system for elimination of unwanted species from contaminated ship ballast water. The apparatus comprises an electrolytic cell containing at least one pair of electrodes, electric alternating...
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7179363 |
Electrolytic process for generating chlorine dioxide
An electrolytic process for generating chlorine dioxide. An aqueous feed stream of an alkali metal chlorite solution is treated with chlorine gas or a mixture of hydrogen chloride and hypochlorous...
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7048842 |
Electrolysis cell for generating chlorine dioxide
A method for making chlorine dioxide, by passing an aqueous feed solution comprising sodium chlorite into a non-membrane electrolysis cell comprising an anode and a cathode, adjacent to the anode,...
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6926819 |
Method for generating sterilizing wash water and a portable apparatus thereof
In a method and an apparatus for generating a portable sterilizing water that can be easily used at, for example, hospitals, cafeterias of nursing facilities, restaurants, hair salons or homes, an...
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6881320 |
Generator for generating chlorine dioxide under vacuum eduction in a single pass
A vacuum operated electrolytic generator can be used to produce a chlorine dioxide solution or a mist of chlorine dioxide from a buffered aqueous alkali metal chlorite solution in one pass through...
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6869518 |
Electrochemical generation of chlorine dioxide
A method of producing chlorine dioxide gas in an enclosed space including the steps of electrochemically generating chlorine dioxide gas in an electrochemical cell and transporting the chlorine...
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6773575 |
Electrolytic 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...
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6740223 |
Electrolytic process for the production of chlorine dioxide
Chlorine dioxide is produced at high conversion rates from aqueous sodium chlorite solution by electrochemical oxidation in an undivided electrochemical cell. The cell utilizes an anode of high...
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6544401 |
Biomimetic water solutions and compositions, their use as and in health and beauty care products and the methods to prepare them
The invention is directed to compositions of health and beauty care products which are produced by mimicking the human body's own defense mechanisms and the methods to produce and use such...
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6440293 |
Electrode and electrolyte for use in preparation of nitrogen trifluoride gas, and preparation method of nitrogen trifluoride gas by use of them
An electrode for electrolyzing an electrolyte comprising an ammonium fluoride (NH 4 F)-hydrogen fluoride (HF)-containing molten salt and having a composition ratio (HF/NH 4 F) of 1 to 3 to prepare...
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6322690 |
Chemical method
The invention relates to a process for production of an alkaline hydrogen peroxide solution and an acidified alkali metal salt solution containing chlorate in an electrochemical cell including an...
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6306281 |
Electrolytic process for the generation of stable solutions of chlorine dioxide
Chlorine dioxide dissolved in water is produced by passing a solution of stabilized chlorine dioxide or sodium chlorite solution, with or without added sodium chloride, through an electrolytic cell...
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6284144 |
Water treatment
Method of controlling biofouling and microorganism population levels in a water system, comprising adding to the water a redox buffer and oxidizing thereafter. The redox buffer may be a peroxide or...
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6203688 |
Electrolytic process for producing chlorine dioxide
A process for converting in a single pass an aqueous alkaline pH, alkali metal chlorite solution into an aqueous chlorine dioxide-containing solution that involves the combination of (1) using an...
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6165343 |
Process for generating bromine compound
The present invention provides a process for generating an aqueous solution containing at least one active bromine compound comprising the steps of: electrolyzing an aqueous solution containing...
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6165331 |
Electrolysers
A bipolar metal electrode for the electrolysis of hydrochloric acid, comprising a nickel alloy cathode plate and a titanium anode mesh coupled together by a hydrogen barrier, where the hydrogen...
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6132591 |
Method for removal of sulfate groups and chlorate groups from brine
In removal of sulfate groups and chlorate groups from brine used for electrolysis, concentrated brine used in an electrolysis process or dilute brine whose concentration is decreased by...
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6126810 |
Generation of active chlorine in the presence of an organic load from sodium chloride in water
A recirculation system for electrochemically activated antimicrobial solutions returns antimicrobial solution which has been depleted of active antimicrobial species to a electrolytic cell for...
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6093305 |
Method of producing hydrogen halide and oxygen
The present invention discloses a method of producing hydrogen halide and oxygen by reacting water and halogen as represented by the following formula: H 2 O+X 2 ➝HX+1/2O 2 ...
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6086746 |
Efficient inhibition of bacterial and algicidal activity in aqueous media
Operating efficiency of an electrobromination device providing disinfectant to an aqueous medium such as a swimming pool, spa, or water-cooled refrigeration unit is achieved by passing electric...
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5965009 |
Method of producing acid water and electrolytic cell therefor
A method of electrolytically producing acid water using an electrolytic cell partitioned by a cation-exchange membrane into an anode chamber and a cathode chamber. Chloride ion which generates...
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5965004 |
Chlorine dioxide generation for water treatment
Chlorine dioxide is generated by electrochemical oxidation of sodium chlorite in an anode compartment of a cation-exchange membrane-divided cell in the presence of significant quantities of sodium...
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5961813 |
Process for direct electrochemical gaseous phase phosgene synthesis
An electrochemical cell (1 ) having a proton-conducting membrane (4) is used in the process for the direct electrochemical gas phase synthesis of phosgene. Dry HCl gas and dry CO gas are supplied...
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5858201 |
Strong acid sterilizing liquid containing hypochlorous acid at a low concentration, method and apparatus for generating same, and apparatus for generating and dispensing same
A strong acid sterilizing liquid containing hypochlorous acid at a low concentration consists of electrolyzed salt water, wherein the pH of the liquid is 3 or less and the concentration of the...
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5851374 |
Process for production of chlorine dioxide
Chlorine dioxide is produced by reaction of chlorate ions, usually provided by sodium chlorate, with a persulfate in an aqueous acid reaction medium containing sulfuric acid. By-product sodium...
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5679239 |
Process and apparatus for generating bromine
The present invention provides a process for generating an aqueous solution containing at least one active bromine compound comprising the steps of: electrolyzing an aqueous solution containing...
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5622848 |
Electrically hydrolyzed salines as microbiocides for in vitro treatment of contaminated fluids containing blood
A microbiocidal solution for in vivo and in vitro treatment of microbial infections includes an electrolyzed saline containing regulated amounts of ozone and active chlorine species wherein the...
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5545389 |
Process for the production of chlorine dioxide
A process for the production of chlorine dioxide by reacting at least one of chloric acid and an alkali metal chlorate, and hydrogen peroxide as the reducing agent in such proportions that chlorine...
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5523072 |
Process of producing chlorine dioxide
Disclosed is a process of producing chlorine dioxide having the steps of providing a reactor with an aqueous acidic reaction medium containing alkali metal chlorate and phosphate; reducing chlorate...
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5480516 |
Electrolytic production of acid
A salt solution, particularly aqueous sodium chlorate, is acidified electrolytically at a higher current efficiency than has previously been the case by employing a plurality of multiple...
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5478446 |
Electrochemical process
The invention relates to a method of producing an acidified aqueous solution containing alkali metal sulfate and chlorate comprising the steps of introducing an aqueous solution containing alkali...
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5476579 |
Process for generating chlorine dioxide and apparatus therefor
Described is an apparatus for the generation of chlorine dioxide, comprising: a cylindrical, insulated body tube; a hollow inner opposite electrode column with a cross section of polygon, which is...
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5458743 |
Method for producing a mixed oxidant gas
An electrolytic cell comprises an anode plate, a cathode plate, and a permeable membrane interposed between the anode and cathode plate. An anode sealing gasket is interposed between the anode...
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5429723 |
Hypobromination of water
HOBr solution for biocidal treatment is produced by electrolysis of mixed chloride/bromide solution. The chloride: bromide molar ratio is greater than 4:1. The molar ratio and rate and period of...
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5427658 |
Electrolytic cell and method for producing a mixed oxidant gas
An electrolytic cell comprises an anode plate, a cathode plate, and a permeable membrane interposed between the anode and cathode plate. An anode sealing gasket is interposed between the anode...
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5423960 |
Method and apparatus for manufacturing iodine-free iodides
An electrochemical process and equipment for preparing iodides, e.g. hydriodic acid (HI), iodide salts and other iodide compounds, substantially free of iodine, are disclosed.
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5423958 |
Acidity control in chlorine dioxide manufacture
A method for generating chlorine dioxide by reduction of sodium chlorate includes electrolyzing sodium sulfate by-product to form acid. The acid is then used to acidify the chlorine dioxide...
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5413682 |
Recovery of fluoride from waste solutions
Fluoride is recovered from an aqueous ammonium fluoride and ammonium hydroxide solution by electrolyzing the solution in an electrochemical cell having an ion-exchange membrane between a catholyte...
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5411726 |
Process for purifying hydrogen fluoride
The invention relates to a process for purifying industrial anhydrous hydrogen fluoride by means of oxygen difluoride.
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5409680 |
Purification of aqueous alkali metal chlorate solutions
A process for removing alkaline earth metal impurities (e.g. calcium and magnesium ions) from an aqueous alkali metal chlorate solution which includes adding sufficient alkali metal carbonate or...
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5385650 |
Recovery of bromine and preparation of hypobromous acid from bromide solution
A process for recovering bromine from an acidic solution containing bromide ion. Electric current is passed through the acidic solution between an anode and a cathode, thereby generating bromine by...
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5322598 |
Chlorine dioxide generation using inert load of sodium perchlorate
A process for producing chlorine dioxide a solution of chloric acid is reduced in the presence of an externally added load of perchlorate ions to form chlorine dioxide.
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5320806 |
Methods to disinfect contact lenses
A method of disinfecting a contact lens is disclosed and comprises placing the contact lens to be disinfected into a liquid electrolyte containing chlorine dioxide precursor, e.g., stabilized...
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5308507 |
Method and apparatus for removing organic contaminants
A method and apparatus for destroying organic compounds is described. The apparatus utilizes a mixture of oxidants to "burn" the organic compound. The oxidants can be generated in a separate...
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5296108 |
Electrochemical process for generating chlorine dioxide using chloric acid-alkali metal chlorate mixtures
An aqueous solution of chloric acid and alkali metal chlorate is produced in an electrolytic cell having an anode compartment, a cathode compartment, and at least one ion exchange compartment...
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5294307 |
Integrated process for the production of alkali and alkaline earth metal chlorates and chlorine dioxide
An integrated process for the production of alkali or alkaline earth metal chlorates and chlorine dioxide in which the chromium compound impurities in the alkali or alkaline earth metal chlorate...
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5284553 |
Chlorine dioxide generation from chloric acid
Chlorine dioxide, useful as a pulp mill chemical, is produced without producing sodium sulfate effluent for disposal, by effecting reduction of chloric acid in an aqueous reaction medium in a...
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