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1789 results about "Hypochlorous acid" patented technology
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Hypochlorous acid (HOCl) is a weak acid that forms when chlorine dissolves in water, and itself partially dissociates, forming hypochlorite, ClO⁻. HClO and ClO⁻ are oxidizers, and the primary disinfection agents of chlorine solutions. HClO cannot be isolated from these solutions due to rapid equilibration with its precursor. Sodium hypochlorite (NaClO) and calcium hypochlorite (Ca(ClO)₂), are bleaches, deodorants, and disinfectants.
Ligno cellulosic materials and the products made therefrom
ActiveUS20060260773A1Reducing functional groupGood drainage propertyBiocidePaper after-treatmentCelluloseHypochlorite
A process comprising treating a lignocellulosic material preferably pulp in the presence of a transition metal catalyst with a oxidizing agent selected from a group consisting of hydrogen peroxide, hypochlorite, hypochlorous acid and any combination thereof to form a treated lignocellulosic material having a viscosity equal to or less than about 17 cp and having reducing functional groups selected from the group consisting of aldehyde and aldehyde type functional groups at the C6 and C1 positions but predominating at the C1 position.
Owner:INT PAPER CO
Wound and ulcer treatment with super-oxidized water
Super-oxidized water based on hypochlorous acid, such as is obtained by the electrochemical treatment of a saline solution, may be used in the treatment of leg ulcers or other open wounds. Preferably, the pH of the super-oxidized water is in a range of 4 to 7, and the water has a redox potential of >950 mV. Medicaments based on the super-oxidized water may be in liquid or gel form. The super-oxidized water is able to control the microbial population within the wound and at the same time permit cell proliferation.
Owner:STERILOX TECH INT +1
Method and device for deodorization and purification of exhaust gas or flue gas
InactiveUS20030164309A1Easy can be electrolyzedHigh densityCyanogen compoundsLighting and heating apparatusHazardous substancePotassium hydroxide
A method and device for removing, deodorizing and purifying odor, smoke and harmful substances from exhaust gas or flue gas employs a water solution containing hypohalogen acid such as hypochlorous acid soda, an alkaline electrolyte such as potassium hydroxide or sodium hydroxide and a saline electrolyte such as sodium chloride, potassium chloride, sodium bromide or potassium bromide which is electrolyzed to produce an electrolytic water solution which is fed to a deodorizing tower and brought into contact with exhaust gas or flue gas to remove odor, smoke and harmful substances in the exhaust gas or flue gas.
Owner:OMEGA CO LTD
Irrigation Device and Method Using Same
InactiveUS20110015587A1Promote wound healingEasy treatmentMedical devicesMedical applicatorsWound healingDakins Solution
A disposable therapeutic device for the promotion of wound healing providing fluid irrigation and vacuum drainage of a wound includes a housing containing a controller and fluid moving device in a waterproof manner, a fluid mover capable of raising, compressing, or transferring fluid, a controller equipped to restrict fluid moving device in accordance with a predetermined treatment plan or duration, a chargeable power source removably connected to the housing, an optional therapeutic member of a compressible dressing or inflatable cuff to provide hemostasis, an identification member for regulating the operation of the device in accordance with a predetermined treatment plan, a disposable container, a pressure sensor and a control display panel. The fluid includes, but is not limited to, Lactoferrin, Xylitol, Dakins Solution, Polyhexanide and Hypochlorous Acid.
Owner:VOGEL RICHARD C MR
Method for Diluting Hypochlorite
InactiveUS20070231247A1Other chemical processesSurface-active detergent compositionsHypochloriteFood contact
This invention relates to methods of diluting hypochlorite and hypochlorous acid compositions with purified water to produce stable compositions. These compositions can be used to treat allergen containing surfaces, hard surfaces, food contact surfaces, hospital surfaces, food surfaces, kitchen surfaces, bathroom surfaces, human surfaces, animal surfaces, military equipment, transportation equipment, children's items, plant surfaces, seeds, outdoor surfaces, soft surfaces, air, wounds, and medical instruments.
Owner:THE CLOROX CO
Process for producing high-purity ruthenium
InactiveUS6036741AReduce Particle GenerationVacuum evaporation coatingSolid-state devicesAlkaline earth metalHydrogen atmosphere
A process comprises forming ruthenium tetroxide by blowing ozone-containing gas into crude ruthenium powder while hypochlorous acid is being added to the powder, allowing a hydrochloric acid solution to absorb the ruthenium tetroxide, evaporating the solution to dryness, and roasting the RuOCl3 crystals thus obtained in a hydrogen atmosphere. Thus a high-purity ruthenium material for thin film deposition, typically sputtering targey, is obtained which contains less than 1 ppm each of alkali metal elements, less than 1 ppm each of alkaline earth metal elements, less than 1 ppm each of transition metal elements, less than 10 ppb each of radioactive elements, a total of less than 500 ppm of carbon and gaseous ingredient elements, the material having a purity of ruthenium of at least 99.995% excluding the gaseous ingredient elements.
Owner:JAPAN ENERGY CORP
Method 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, e.g., hypochlorous acid, and using both the hydrogen peroxide and oxidation product thus generated to treat a liquid to be treated. The atmosphere around the cathode surface is kept neutral to acidic due to the acidity of the coexisting oxidation product to thereby inhibit the deposition of metal hydroxides.
Owner:DE NORA PERMELEC LTD
Electric pole material of high efficiency electrocatalysis high-grade oxidation technology
ActiveCN101423270ALarge specific surface areaHigh catalytic activityWater/sewage treatment using germicide/oligodynamic-processCatalytic effectHypochlorous acid
The invention relates to a set of electrocatalytic strong oxidizer materials, comprising a nano-function anode material which compounds nano oxide particles and catalyzes metal nano particles on a titanium substrate, and a nano-function cathode material which takes titanium or stainless steel as a substrate and introduces transition metal nano-particles on the surface thereof. By the electro-catalytic advanced oxidation technology, under the catalytic action of electrocatalytic strong oxidizer materials, water body can generate a hydroxyl radical with strong oxidizing performance and an oxygen radical; and if a chloride ion exists in water, hypochlorite can be generated. Under the joint action of a plurality of types of strong oxidizers, the algae cells in the water body and various harmful bacteria can be killed; and simultaneously the ammonia in water and the water-soluble organic matters can be degraded, so the goal of purifying water is achieved. According to the electrocatalytic advanced oxidation theory, the electrocatalytic strong oxidizer materials does not need to add any chemical agent when in application, does not have secondary pollution, and has good safety, high efficiency and low energy consumption.
Owner:苏州盖依亚生物医药有限公司
Lignocellulosic materials and the products made therefrom
Owner:INT PAPER CO
Dry delivery hypochlorite
This invention relates to dry powder forms of hypohalite, especially a dry powdered form of dilute or concentrated hypochlorite and hypochlorous acid compositions. The invention also relates to uses for these dry powders, such as for treating hard and soft inanimate surfaces, animate surfaces, air, and for deactivating allergens.
Owner:THE CLOROX CO
Apparatus and method for wound, cavity, and bone treatment
InactiveUS20130261534A1Environment safetyPromote formationElectrolysis componentsCannulasWound dressingWound care
Owner:PURICORE
System and Process for Treating Ballast Water
ActiveUS20080000775A1Prevent outbreakLiquid separation by electricityElectrostatic separationHypochloriteWater treatment system
A system and process for treating ballast water within an ocean going vessel by generating hypochlorite for treating the ballast water. The system comprises one or more hypochlorite electrolytic cells in fluid communication with ballast water. The total organic carbon content of the ballast water is ascertained and the amount of hypochlorite generated is modulated in response to the total organic carbon content of the ballast water. In one embodiment the system comprises a total organic carbon analyzer for measuring total organic carbon content. In one embodiment of the process of the invention, hypochlorite production is modulated so that the residual halogen-containing oxidizing agent is maintained in the ballast water. In another embodiment of the process, hypochlorite production is modulated to maintain a weight ratio of hypochlorite to total organic carbon in the ballast water ranging from about 1.0 to about 3.0.
Owner:DE NORA WATER TECH
Hypochlorous Acid Based Sterilizing Composition
InactiveUS20080008621A1Easy to useLess corrosiveBiocideDead animal preservationReady to useBuffering agent
An object of the present invention is to provide a hypochlorous acid based sterilizing composition which is less corrosive to metal and a method for sterilizing a subject using the same. Provided by the present application is an aqueous sterilizing composition which comprises:(a) hypochlorous acid or at least one component which can release hypochlorous acid in water, and (b) a buffering agent; wherein the concentration of available chlorine in the composition upon use is 0.0001-12%. An electrolyzed water may be used instead of component (a). A method for sterilizing a subject using the aqueous sterilizing composition of the invention is also provided.
Owner:MARUISHI PHARMACEUTICAL CO LTD +1
Ligno cellulosic materials and the products made therefrom
ActiveUS20110287275A1Maintain good propertiesHigh strengthBiocideAnimal repellantsCellulosePolymer science
A process comprising treating a lignocellulosic material preferably pulp in the presence of a transition metal catalyst with a oxidizing agent selected from a group consisting of hydrogen peroxide, hypochlorite, hypochlorous acid and any combination thereof to form a treated lignocellulosic material having a viscosity equal to or less than about 17 cp and having reducing functional groups selected from the group consisting of aldehyde and aldehyde type functional groups at the C6 and C1 positions but predominating at the C1 position.
Owner:INT PAPER CO
Anti-terrorism water quality monitoring system
InactiveUS7454295B2Prevent hackingRule out the possibilityGeneral water supply conservation2D-image generationChloramine BChlorine dioxide
An Anti-Terrorism water quality monitoring system for continuously monitoring a potable water treatment system and related potable water distribution network that provides potable water to a municipality, city, housing development or other potable water consumer. The system includes the collection of data from the water distribution system and from the water treatment facility and from advanced separation processes which are integrated into analytical instruments. The data collected are stored in a remote database on a remote server computer or bank of computers and accessible by Homeland Security or its designated agency. Preferred parameters of monitoring include the turbidity and disinfectant such as chlorine, hypochlorous acid, sodium hypochlorite, calcium hypochlorite, ozone, chlorine dioxide, chloramines, hydrogen peroxide, peracetic acid.
Owner:HACH CO
Packagin for dilute hypochlorite
ActiveUS20050221113A1Suitable storage stabilitySemiconductor/solid-state device detailsSolid-state devicesHypochloriteDual delivery
This invention relates to packaging for dilute hypochlorite and hypochlorous acid compositions to produce stable compositions. Examples of suitable packaging containers are a bag-in-can device, a plastic aerosol container, a dual delivery container, a dual chambered device, an expandable chamber device, a precompression trigger sprayer, a mechanically pressurized device, and an ultrasonic sprayer.
Owner:THE CLOROX CO
Microbial Control Using Hypochlorous Acid Vapor
This invention relates to methods and apparatus for achieving microbiological control, especially using active sources that generate hypochlorous acid vapor. These methods are effective in confined spaces and sealed containers. The active sources may be contained within permeable containers and may be actively dispersed. The active sources may be in the form of solids, liquids or gels.
Owner:THE CLOROX CO
Dental Appliance Cleansing Composition
ActiveUS20090042756A1Effective compositionEasy to cleanInorganic/elemental detergent compounding agentsBiocideChloramine BAlkaline earth metal
A novel and safe composition has been discovered that is effective for cleaning dental appliances (e.g. removable braces, retainers, dentures, etc.). This composition bleaches, disinfects, and deodorizes the appliance, while removing plaque that has accumulated on the appliance during wear. The composition comprises a chloramine bleaching agent that liberates hypochlorous acid upon contact with water, a surfactant, a water-soluble carboxylic acid and an alkaline base to produce effervescence and regulate pH, a sequestering agent for alkaline earth metal ions, a drying agent, and an indicator dye that signifies the end of the cleansing process. In a preferred method of using this invention, the premixed components are added to water, and the dental appliance is submerged in the resulting effervescent solution until a color change indicates that cleaning is complete. This invention provides a safe, effective, and convenient method for cleansing and disinfecting dental appliances.
Owner:LMA SOLUTIONS
Process for treating a sulfur-containing spent caustic refinery stream using a membrane electrolyzer powered by a fuel cell
ActiveUS20060254930A1Simple and inexpensive and effectiveReduce investmentPhotography auxillary processesElectrolysis componentsSodium sulfateSulfur containing
A continuous method for the treatment of a spent aqueous caustic stream used to scrub a hydrocarbon process stream to remove oxidizable sulfur-containing compounds includes: a. mixing an oxidizing hypochlorous acid stream produced from an aqueous brine solution with the aqueous caustic stream to form a reactive mixed feedstream; b. contacting the reactive mixed feedstream with at least one catalyst to promote the oxidation of the sulfur-containing compounds and the neutralization of the sodium hydroxide; and c. recovering a neutral treated product stream comprising aqueous sodium sulfate, sodium carbonate and sodium chloride that is odorless, non-toxic and environmentally acceptable for discharge into the sea or into a conventional sewage treatment system. Preferably, the hypochlorous acid is produced by an electrolyzer that also produces a (1) hydrogen stream that is directed to a PEM fuel cell to generate at least a portion of the electrical power requirement of the electrolyzer, and (2) water that is combined with fresh sodium hydroxide from the electrolyzer to form a fresh caustic stream for use in scrubbing the hydrocarbon process stream.
Owner:SAUDI ARABIAN OIL CO
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 acid formed in an anode compartment from, an aqueous alkali metal chloride solution and subsequently electrolyzed to form a chlorine dioxide effluent.
Owner:NALCO CO +1
Poultry processing water recovery and re-use process
InactiveUS7077967B2Shorten the counting processImprove food safetyLoose filtering material filtersWater/sewage treatment by neutralisationWater useOil and grease
The inventions of the present disclosure are directed to processes designed to recover water used in certain aspects of the processing of poultry, treat the recovered water to remove solids, fats, oils and greases, animal proteins and pathogenic organisms and to reuse the treated water for poultry processing operations. The processes described herein reduce bacteria and microorganisms associated with the poultry and reuse water. The present disclosure can be employed with an approach that includes unexpected positive results of reacting ozone and chlorine with water being treated for reuse to generate hypochlorous acid and / or other effective biocides. Ozone reacts with fats, oils, and greases, dissolved in the reuse water, to produce specific surface-active agents and surfactants which reduce the surface tension of the water which it is dissolved. The combination of these surface-active agents and surfactants and the biocides cause an extraordinary release and destruction of bacteria from the poultry carcass as well as the reuse water.
Owner:ZENTOX CORP
Preparation method of fucosan sulphate oligosaccharide
A process for preparing the oligose of fucosan sulfate includes such steps as preparing the aqueous solution of fucosan sulfate, adding oxidant chosen from hydrogen peroxide, hypochlorous acid, nitrous acid, or their salts, heating, membrane ultrafilter, vacuum concentrating and freeze drying. Its advantages are high medical effect to protect liver and take care of health, and low cost.
Owner:OCEAN UNIV OF CHINA
Anti-terrorism water quality monitoring system
InactiveUS7698073B2Rule out the possibilityGeneral water supply conservationUltrafiltrationChloramine BChlorine dioxide
Owner:HACH CO
Treatment process of circulating cooling water with leaked ammonia nitrogen
InactiveCN102476871APromote growthEasy to controlMultistage water/sewage treatmentHypochloriteTungstate
The invention relates to a treatment method of circulating water with leaked ammonia nitrogen, which comprises the following steps: a) controlling the pH value of the circulating water to 7.5-9.0; b) adding a scale and corrosion inhibitor which comprises the following components: A) at least one salt selected from water-soluble borate, water-soluble molybdate, water-soluble tungstate, water-soluble gluconate, and water-soluble silicate, B) at least one scale inhibiting dispersant which is at least one phosphorus-free polymer with a carboxylic group, C) a zinc salt, and optional D) a copper corrosion inhibitor; c) adding at least one non-chlorine bactericide which is a bromine-containing bactericide or a chlorine-containing bactericide that does not generate hypochloric acid or hypochlorite in water. The invention controls the problems of corrosion, scaling, and bacterial growth in the circulating water system with leaked ammonia nitrogen by methods of adjusting the pH value of the circulating water, and combining with the phosphorus-free scale and corrosion inhibitor and the non-chlorine bactericide.
Owner:CHINA PETROLEUM & CHEM CORP +1
Dual diaphragm electrolysis cell assembly and method for generating a cleaning solution without any salt residues and simultaneously generating a sanitizing solution having a predetermined level of available free chlorine and pH
InactiveUS20130146473A1Improve cleanlinessSanitizing all hard surfacesCellsPhotography auxillary processesPotassiumCell assembly
An Electrolysis cell assembly to produce diluted Sodium Hydroxide solutions (NAOH) and diluted Hypochlorous Acid (HOCL) solutions having cleaning and sanitizing properties. The electrolysis cell consists of two insulating end pieces for a cylindrical electrolysis cell comprising at least two cylindrical electrodes with two cylindrical diaphragms arranged co-axially between them. The method of producing different volumes and concentrations of diluted NAOH solutions and diluted HOCL solutions comprises recirculating an aqueous sodium chloride or potassium chloride solution into the middle chamber of the cylindrical electrolytic cell and feeding softened filtered water into the cathode chamber and into the anode chamber of the cylindrical electrolysis cell.
Owner:AQUAOX
Solution containing hypochlorous acid and methods of using same
The present invention relates to low pH antimicrobial solutions comprising hypochlorous acid, water, and, optionally, a buffer. The inventive low pH antimicrobial solutions have a pH from about 4 to about 6 and are useful for treating impaired or damaged tissue and for disinfecting surfaces. Chemical processes for the production of the low pH antimicrobial solutions are also provided wherein chlorine gas is added to a buffer solution containing a buffering agent and water. The present invention also provides an electrochemical process for the production of the low pH antimicrobial solutions.
Owner:SONOMA PHARMA INC
Apparatus for water treatment by electrolysis method
InactiveCN1623918AAchieve softeningRealize disinfectionDispersed particle separationScale removal and water softeningElectrolysisHypochlorous acid
An apparatus for treating water by electrolysis method is composed of DC power supply controller, water supply-discharge unit, two electrolyzing cathode bathes, electrically isolating plate unit, water scale depositing unit, and two electrolyzing anode bathes. The electrolytic reaction of water can make the calcium carbonate and the hydroxide of heavy metals to be deposited in anode bathes and the Cl2, O2, the radicals of hypochlorous acid and chloric acid, and ozone to be generated in cathode bathes.
Owner:BEIJING HIKEEN TECH +1
Fracturing flowback fluid treatment method
ActiveCN102992524AGood removal effectHigh activityMultistage water/sewage treatmentWater/sewage treatment by oxidationLiquid wasteChemical oxygen demand
The invention discloses a treatment method for flowback fluid in horizontal well fracturing exploitation of oil fields and unconventional oil and gas fields, such as natural gas and shale gas. The method comprises the steps of: removing scale-forming elements from fracturing flowback fluid by flocculation and sedimentation; and converting chloride ions in waste water into hypochlorite and chlorine gas by using an acousto-optic electrical excitation effect, and carrying out deep oxidation without adding extra oxidants in the whole process. According to the method, components influencing the preparation of the fracturing fluid are removed, and other useful components are reserved completely or partially, thereby reducing the waste liquid treatment cost, and reducing the addition cost of additives during the preparing of the fracturing fluid. According to the method provided by the invention, the process flow is short, the cost is low and the efficiency is high, and is particularly suitable for treating flowback fluid with high oil content, high COD (chemical oxygen demand) and high turbidity produced by horizontal well fracturing construction as well as waste waters produced by various kinds of oil fields.
Owner:BEIJING GENERAL RES INST OF MINING & METALLURGY
Calcium hypochlorite/scale inhibitor/residue disperser triblend
InactiveUS7410938B2Reduced scale depositsObstruct passagewayInorganic/elemental detergent compounding agentsDetergent bleaching agentsPhosphateCalcium hypochlorite
A solid calcium hypochlorite composition comprising a mixture of: solid calcium hypochlorite; a scale-inhibiting effective amount of a primarily scale-inhibiting alkali metal phosphate; and an effective residue-dispersing amount of primarily residue-dispersing alkali metal phosphate.
Owner:INNOVATIVE WATER CARE LLC
Pyridine quaternary ammonium salt type halamine antibacterial agent and preparation method thereof
InactiveCN104926787AImprove hydrophilicityHigh antibacterial activityAntibacterial agentsBiocidePyridineIon-exchange resin
The invention discloses a pyridine quaternary ammonium salt type halamine antibacterial agent with a structure represented by a general formula I, wherein n is an integer of 1-10. The preparation method comprises the following steps: a, 5,5-dimethyl hydantoin is placed in an acetone solution doped with anhydrous potassium carbonate; refluxing is carried out for 30min, and dibromoalkane is added; refluxing is continued for 4h, such that a bromo-alkyl hydantoin compound is obtained; b, the obtained bromo-alkyl hydantoin compound is dissolved in acetonitrile; excessive pyridine is added; heating and refluxing are carried out overnight; concentration is carried out, such that a pyridine bromide quaternary ammonium salt type halamine precursor is obtained; the precursor is delivered through chlorine-type anion exchange resin, such that a pyridine chloride quaternary ammonium salt type halamine precursor is obtained; and c, the obtained pyridine chloride quaternary ammonium salt type halamine precursor is dissolved in a mixed solution composed of deionized water and tert-butanol; tert-butyl hypochlorite is added, and stirring is carried out for 2-4h while protected from light, such that the pyridine quaternary ammonium salt type halamine is obtained. The method has the advantages of easy-to-obtain raw materials, and relatively simple synthesis method. The method has a prospect of industrialized application.
Owner:DALIAN UNIV OF TECH
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