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294results about "Hypochlorite" patented technology
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Dual layer tablet, method of making and use thereof
InactiveUS6863830B1Easy to optimizeComprehensive treatmentOrganic chemistryOther chemical processesPotassium persulfateLithium hypochlorite
Owner:BIO LAB
Massive bodies containing free halogen source for producing highly converted solutions of chlorine dioxide
InactiveUS7182883B2Increase conversion rateImprove permeabilityBiocideOrganic chemistryHalogenLiquid water
A massive body, e.g., a tablet, for producing a solution of chlorine dioxide when the massive body is added to liquid water. The massive body comprises a metal chlorite such as sodium chlorite, an acid source such as sodium bisulfate and a source of free halogen such as the sodium salt of dichloroisocyanuric acid or a hydrate thereof. The concentration of free halogen in the solution will be:(a) less than the concentration of chlorine dioxide in said solution on a weight basis and the ratio of the concentration of chlorine dioxide to the sum of the concentrations of chlorine dioxide and chlorite anion in said solution is at least 0.25:1 by weight; or(b) equal to or greater than the concentration of chlorine dioxide in said solution on a weight basis and the ratio of the concentration of chlorine dioxide to the sum of the concentrations of chlorine dioxide and chlorite anion in said solution is at least 0.50:1 by weight.
Owner:ENGELHARD CORP
Composition for arsenic removal from ground water
InactiveUS6461535B1Simple processSimple compositionSolid waste disposalSolid sorbent liquid separationColloidOxidizing agent
The present invention provides a process for removing arsenic from ground water to be processed and used in remote dwellings. The process includes (a) contacting a clay, a coagulant, and an oxidizer with water containing arsenic to form a coagulated colloidal mixture; (b) adsorbing the arsenic onto the coagulated colloidal mixture; and (c) separating the water from the coagulated colloidal mixture. The invention also provides a composition ready for use in removing arsenic from ground water to be used in remote areas. The composition includes an activated clay, a coagulant, and an oxidizer in predetermined proportions for efficient removal of arsenic from ground water.
Owner:PAN AMERICAN HEALTH ORAGANIZATION
Dual layer tablet, method of making and use thereof
InactiveUS20050040116A1Easy to optimizeComprehensive treatmentOrganic chemistryOther chemical processesPotassium persulfateLithium hypochlorite
A method for treating a recirculating water system which comprises introducing into said water system a multifunctional, multilayer tablet, wherein the multilayer tablet comprises a fast dissolving layer and a slow dissolving layer, wherein said fast dissolving layer releases a combination of active ingredients including a member selected from the group consisting of lithium hypochlorite, calcium hypochlorite, trichloroisocyanuric acid (TCCA), anhydrous sodium dichloroisocyanurate, sodium persulfate, potassium persulfate, potassium monopersulfate, sodium monopersulfate, and mixtures thereof, and at least one of a clarifier, chelating agent, sequesterant, algaestat, water softener, algaecide, corrosion inhibitor, scale inhibitor, flocculent, disintegrant, dispersant, colorant, dissolution control agent, fragrance, or surfactant and, wherein said slow dissolving layer includes a member selected from the group consisting of trichloroisocyanuric acid (TCCA), calcium hypochlorite, 1,3-dichloro-5,5-dimethylhydantoin (DCDMH), 1,3-dibromo-5,5-dimethylhydantoin (DBDMH), 1-bromo-3-chloro-5,5-dimethylhydantoin (BCDMH), 1,3-dichloro-5-ethyl-5-methylhydantoin (DCEMH), 1,3-dibromo-5-ethyl-5-methylhydantoin (DBEMH), 1-bromo-3-chloro-5-methyl-5-ethylhydantoin (BCEMH), and mixtures thereof, and at least one of a clarifier, chelating agent, sequesterant, algaestat, water softener, algaecide, corrosion inhibitor, scale inhibitor, flocculent, disintegrant, dispersant, colorant, dissolution control agent or surfactant.
Owner:BIO LAB
Composition for the production of chlorine dioxide using non-iodo interhalides or polyhalides and methods of making and using the same
ActiveUS7087190B2Reduce microbial countQuick buildBiocideLiquid degasificationChlorine dioxideCHLORITE ION
A composition for the generation of chlorine dioxide including at least one non-iodo interhalide, polyhalide or salt thereof having the formulaBrmClnFoXpwherein m=0–3, n=0–4, o=0–3, p=0–2, X is a cationic moiety and with the provisos that m+n+o cannot be zero; if m+n+p<2, or mixtures thereof, and at least one source of chlorite ions.
Owner:ECOLAB USA INC
Methods for the on-line, on-demand preparation of sterile, water-for-injection grade water
InactiveUS6745903B2Low costLower Level RequirementsOrganic anion exchangersDialysis systemsSpecific adsorptionFiltration
A new method is described to produce large volumes of low cost sterile, Water-for-Injection (WFI) grade water on-line, on-demand from potable water in order to meet the needs of dialysis therapies and other biological applications for sterile, injectable grade water. The source water is processed by a combination of membrane and column chromatographic methods including reverse osmosis, chemical sterilization, reduction of iodine sterilant to iodide, deionization, endotoxin-specific adsorption and polishing filtration in order to reduce contaminant levels below those specified by the US Pharmacopoeia.
Owner:GRANDICS PETER
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
Water treatment compositions with masking agent
A composition for disinfecting contaminated drinking water. The composition can include a disinfecting agent for disinfecting or sanitizing the water and a masking agent for masking or minimizing undesired characteristics of the disinfecting agent, such as taste and odor. The disinfecting agent can be a halogen-based disinfecting agent, such as a chlorine-based disinfecting agent. The masking agent can be a chlorine-compatible masking agent or flavorant, such as a citrus fruit derived flavor. The composition can also include a substrate. The substrate can be a clay, zeolite, water-soluble carrier, water-insoluble carrier, or mixtures thereof. The flavorant can be loaded onto the substrate. The composition can include other components, such as a primary coagulant, a coagulant aid, a bridging flocculant, a polymeric material, an alkali agent, an autocatalytic oxidant, and mixtures thereof.
Owner:THE PROCTER & GAMBLE COMPANY
Dual-use micro encapsulation composition for hydrocarbons and detoxification of highly hazardous chemicals and substances
ActiveUS20090245939A1Reduce aqueous leachabilityPromotes rapid oxidationOther chemical processesSolid waste disposalWater basedWater dispersible
A two-component, water based micro encapsulation composition and method for the cleanup of hydrocarbon spills or contaminates on various surfaces and media. The two-part formulation includes a first solution including water in a predetermined ratio of a water soluble alkaline silicate solution having at least one alkali metal and a predetermined ratio of at least one water soluble surfactant; and a second solution including water, a predetermined ratio of water soluble acid, a predetermined ratio of water dispersible polymer, a predetermined ratio of water soluble hydrotrope, and a predetermined ratio of at least one water soluble flocculating agent. A method of using the two-part formulation includes preparing the two-part formulation, allowing the first solution to contact the hydrocarbon or chemical contaminate; allowing the second solution to contact the first solution and contaminate to form a homogeneous mixture; and removing the homogeneous mixture.
Owner:OIL SOLUTIONS INT
Calcium hypochlorite blended tablets
A non-Division 5.1 Oxidizer tablet consisting essentially of a blend of hydrated calcium hypochlorite with magnesium sulfate heptahydrate, wherein the blend contains at least about 17% by weight of water based on the total weight of the blend; contains from about 0.1% to about 10% of lime based on the total weight of the hydrated calcium hypochlorate and magnesium sulfate heptahydrate and the average dissolving rate of the tablet is less than 150 grams per day.
Owner:INNOVATIVE WATER CARE LLC
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
Calcium hypochlorite blended tablets
Owner:INNOVATIVE WATER CARE LLC
Shaped solid comprising oxidant bleach with encapsulate source of bleach
InactiveUS6589443B1Trend downReduce harmful effectsOxygen/ozone/oxide/hydroxideOther chemical processesParticulatesBrick
Aqueous bleach solutions can be made by directing a spray of water onto a bulk or shaped solid (brick, tablet, block, etc.) comprising a continuous solid phase of an encapsulated source of an active halogen bleach or a solid comprising a source of an oxidizing active halogen bleach, and an encapsulated oxidizing halogen bleach source. Such shaped solids can be used to dispense uniform quantities of an aqueous bleach concentrate to bleaching locus such as a washing machine. The tablets can be made from the encapsulated bleach or from a powder mixture of a particulate, granulated or powdered unencapsulated source of active oxidizing bleach and an encapsulated source of active oxidizing bleach by forming the powder mixture into a desired shape. Such a shaped solid bleach can be packaged in a container and can then be contacted with an aqueous spray in a dispenser to create a solution of active bleach for cleaning bleaching processes. The presence of the encapsulate in the solid with the powder reduces the tendency of the solid to absorb water which can be wicked through the solid to pass water through the solid into adjacent solids. Substantial proportions of absorbed water can cause the tablets to crack, crumble and to periodically dispense uneven, substantially large and undesirable concentrations of active bleach into a wash or bleach cycle. Such large amounts of halogen can cause corrosion of metal machine or dispenser parts, clothing damage, can cause pinholing or other fabric damage, can result in color loss or change, or can result in other undesirable effects in either the dispenser, washing machine or the cleaned item.
Owner:ECOLAB USA INC
Calcium hypochlorite compositions
Stable compositions of calcium hypochlorite containing selected hydrated inorganic salts having a sufficiently high enthalpy and the ability to provide water release to sufficiently quench reactions and reduce the potential for conflagration.
Owner:BIO LAB
Visible light photocatalyst of BiOBr micro sphere and preparation method thereof
The invention relates to a novel visible light responding photocatalysis material and a preparation method thereof. The effect of the visible light responding photocatalysis material of the BiOBr micro sphere is obviously superior to that of TiO2 (P25, Degussa), wherein BiOBr is square crystalloid; and the diameter of the sphere is about 5mu m. The invention discusses the effects of the additive amounts of glycol and hexadecyl trimethyl ammonium bromide on the physical, chemical and photocatalytic performances of the synthesized catalyst. The preparation process is simple and environment-friendly. The catalyst can almost completely remove the organic dye rhodamine B under visible light.
Owner:徐建 +2
Color stable hypochlorous sanitizer and methods
InactiveUS20030059483A1Maximize activityReduce capacityBiocideOrganic chemistryHypochloritePotable water
Manual warewashing in common food service locations is typically performed in a multicompartment sink within three or more basins. In one basin the ware is contacted with an aqueous solution of a detergent composition. The ware is cleaned using mechanical action to remove soil. The cleaned ware is often rinsed in a subsequent sink in a potable water rinse and is then sanitized in a sanitizing solution in a subsequent basin, typically the third sink in sequence. The sanitizing solution can be rapidly depleted during periods of large volumes of hand washed ware. In order to monitor and control the concentration of the sanitizer in the sanitizer sink, we have found that even highly oxidizing hypochlorite bleaches, if adjusted to an appropriate pH, can maintain substantial sanitizing capacity while not decolorizing otherwise oxidatively sensitive dyes. In the method of the invention, the sanitizing solution adjusted to a pH of less than about 7 containing a dye can maintain a stable dye solution for a period of time greater than the time required to deplete 90% or more of the OCl-1 in solution. As a result, the hand washing staff can have a satisfactory indication of the existence of active sanitizer in the sanitizer step based on the presence of color in the aqueous solution.
Owner:KAY CHEM
Composition for generating chlorine dioxide
InactiveUS6602442B1Transportation safetyMade preciselyBiocidePeroxide active ingredientsLithium hypochloriteSodium bisulfate
A dry disinfectant composition for the production of aqueous solutions of chlorine dioxide of predetermined concentration is formulated of a mixture of lithium hypochlorite, sodium bisulfate and sodium chlorite. Special liquid and dry formulations are also contemplated for convenience of use, for quality assurance and for safety.
Owner:OCCIDENTAL CHEM CORP
Method for diluting hypochlorite
This invention relates to methods of diluting hypochlorite and hypochlorous acid compositions 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
Coated calcium hypochlorite composition
InactiveUS20070125979A1Water softeningOrganic/inorganic per-compounds compounding agentsInter layerCalcium hypochlorite
The present invention is directed to a water treatment composition, comprising: calcium hypochlorite coated with a coating comprising at least one hydrated or anhydrous salt. The present invention is also directed to a water treatment composition, comprising: (a) an inner core layer comprising calcium hypochlorite; (b) one or more interlayers of selected salts positioned on top of said inner core layer, and (c) one or more outer layers of selected salts positioned on top of said interlayer(s).
Owner:INNOVATIVE WATER CARE LLC
Calcium hypochlorite compositions
Owner:BIO LAB
Solid-Layered Bleach Compositions
ActiveUS20100140544A1Inorganic/elemental detergent compounding agentsCosmetic preparationsPotassium hypochloriteBleach
The present invention provides a solid-layered composition having at least two parts. The first part comprises a) calcium hypochlorite, magnesium hypochlorite and mixtures thereof, b) a builder, c) a water-soluble polymer, d) an acid, and e) wherein the first part does not contain sodium hypochlorite, lithium hypochlorite, potassium hypochlorite and mixtures thereof. The second part comprises a) a surfactant, b) a builder, c) an acid, and d) wherein the second part does not contain any oxidant.
Owner:THE CLOROX CO
Microbicide compositions
InactiveUS6793846B2Excellent in safety and workabilityHigh bactericidal effectBiocideDead animal preservationSURFACTANT BLENDHypochlorous acid
The present invention provides a bactericide composition comprising hypochlorous acid or a salt thereof. In particular, the present invention provides a liquid bactericide composition comprising an aqueous solution comprising hypochlorous acid and / or a salt thereof, a surfactant (B) and a pH adjusting agent (C), and having a ph valve in the range of 3 to 8 at 25° C.
Owner:KAO CORP
Composite cruising ballast water treatment process
InactiveCN101428919AAddressing Spread ContaminationSolve off-site hazardsElectrolysis componentsWater/sewage treatmentSuspended particlesElectrolysis
The invention belongs to the technical field of ballast water treatment in the shipping process, and relates to a composite ship ballast water treatment method. The method comprises two steps of high-efficiency filtration and inactivation treatment by a reinjection electrolysis process; the high-efficiency filtration is to serially connect a filter to an output port, through which the ballast water is loaded into a ship ballast tank, of a ballast pump to remove pelagic organisms and suspended particles; the rated flow of the filter is the same as the flow of the ballast water; the inactivation treatment by the reinjection electrolysis method is that when the ballast water is loaded, a booster pump is used to extract partial ballast water from a water inlet manifold at an outlet end of the filter to flow through an electrolytic tank, and chloride ions are oxidized on a positive electrode of the electrolytic tank to generate chlorine to be dissolved in the ballast water to generate sodium hypochlorite; and the sodium hypochlorite solution is reinjected into the water inlet manifold by the booster pump to be mixed evenly to ensure that the concentration of the sodium hypochlorite realizes the killing to residual harmful aquatic organisms. The method has the advantages of simple process route, reliable principle, and good treatment effect.
Owner:SUNRUI MARINE ENVIRONMENT ENG
Method of making pure salt from frac-water/wastewater
ActiveUS20110104038A1Easy to produceQuality improvementCalcium/strontium/barium carbonatesCalcium/strontium/barium chloridesParticulatesWater use
The present invention relates to a method for making pure salt comprises recapturing post-drilling flowback water from hydro-fracturing; removing oil from the flowback water; filtering the flowback water using an ultra filter with a pore size of about 0.1 microns or less to remove solid particulates and large organic molecules, such as benzene, ethylbenzene, toluene, and xylene, from the water; concentrating the flowback water to produce a brine that contains from about 15 wt % to about 40 wt % of salt relative to the total weight of the flowback brine; performing one or more chemical precipitation process using an effective amount of reagents to precipitate out the desired high quality commercial products, such as, barium sulfate, strontium carbonate, calcium carbonate; and crystallizing the chemically treated and concentrated flowback brine to produce greater than 99.5% pure salt products, such as sodium and calcium chloride.
Owner:FRACPURE HLDG
Solid-layered bleach compositions
ActiveUS8287755B2Inorganic/elemental detergent compounding agentsCosmetic preparationsPotassium hypochloriteBleach
The present invention provides a solid-layered composition having at least two parts. The first part comprises a) calcium hypochlorite, magnesium hypochlorite and mixtures thereof, b) a builder, c) a water-soluble polymer, d) an acid, and e) wherein the first part does not contain sodium hypochlorite, lithium hypochlorite, potassium hypochlorite and mixtures thereof. The second part comprises a) a surfactant, b) a builder, c) an acid, and d) wherein the second part does not contain any oxidant.
Owner:THE CLOROX CO
Packaging for dilute hypochlorite
This invention relates to packaging for dilute hypochlorite and hypochlorous acid compositions to produce stable compositions. Container materials can be mulilayer with additives such as opacifiers, colorants, and UV inhibitors in the intermediate or outer layers. Additionally, labels with opacifiers, colorants, and UV inhibitors can improve stability. 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
Water treatment compositions
InactiveUS7201856B2Minimising manganese-associated post-flocculation discolorationMinimising or preventing the post-flocculation discoloration effectWater softeningSedimentation separationFood additiveWater insoluble
Owner:PROCTER & GAMBLE CO
Calcium hypochlorite compositions comprising zinc salts and lime
ActiveUS20080258104A1Water softeningOrganic/inorganic per-compounds compounding agentsWater solubleZinc salts
The present invention is directed to a granular water treatment composition, comprising: 35-95 wt % calcium hypochlorite; 1 to 50 wt % magnesium sulfate or a hydrate thereof; 0.1 to 10 wt % lime; and 0.1 to 55 wt % of a water soluble zinc salt or a hydrate thereof; wherein the weight percents are based on the total weight of the composition. The present invention is also directed to a water treatment tablet, comprising 35-95 wt % calcium hypochlorite; 1 to 50 wt % magnesium sulfate or a hydrate thereof; 0.1 to 10 wt % lime; and 0.1 to 10 wt % of a water soluble zinc salt or a hydrate thereof; wherein the weight percents are based on the total weight of the composition.
Owner:INNOVATIVE WATER CARE LLC
Calcium hypochlorite composition
Owner:AXIALL OHIO
Cyclic process for the efficient generation of chlorine dioxide in dilute solutions
ActiveUS20100189630A1Efficient productionEffectively sustainOrganic chemistryWater softeningCyclic processNeutral ph
An efficient cyclic process and related compositions for the in-situ generation of chlorine dioxide from dilute solutions of chlorite anions at near neutral pH. The cyclic process provides a means of safe and effective use of chlorine dioxide with reduced concern of chlorite accumulation in the aqueous system. The disclosed chemistry used to support the cyclic process can be applied independently or in various combinations that are effectively inert. This dramatically reduces safety concerns since the chlorine dioxide is produced in-situ to the application and in dilute concentrations. Also, the process allows for regeneration of inert anions such as bromide and chlorite thereby reducing operating cost.
Owner:TRUOX
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