81results about "Hypochlorous acid" patented technology

The present invention provides an electrolytic disinfection module and a dishwasher, comprising: a housing with an electrolytic chamber disposed therein, and an electrolytic water inlet and an electrolytic water outlet communicating with the electrolytic chamber are provided on the housing; an electrode assembly including a first electrode and a second electrode disposed on the housing; a salt feeding mechanism including a salt feeding pipe communicating with the electrolytic chamber. Salt is fed into the electrolytic chamber through the salt feeding mechanism. When water enters the electrolytic disinfection module, it contacts the salt to fully dissolve the salt to form an electrolyte solution. After the electrolyte solution enters the electrolytic disinfection module, disinfected water is prepared through electrolysis, and the disinfected water enters the inner container to disinfect the tableware in the inner container. Thus, the tableware is disinfected inside the dishwasher. At the same time, the disinfected water will disinfect the internal structures of the dishwasher such as the pipeline assembly, the inner container, and the electrolytic disinfection module through the pipeline. Even if there is residual disinfected water in the internal structures of the dishwasher after the disinfection treatment, bacteria will not breed and peculiar smell is not easily generated.

A hypochlorous acid preparation system is provided. The hypochlorous acid preparation system includes: a hypochlorous acid preparation apparatus comprising: a first inlet, wherein sulfuric acid collected from a clean room located in a semiconductor fabrication plant enters the hypochlorous acid preparation apparatus through the first inlet; a second inlet, wherein sodium hypochlorite solution enters the hypochlorous acid preparation apparatus through the second inlet; a third inlet, wherein deionized water enters the hypochlorous acid preparation apparatus through the third inlet; and an outlet, wherein hypochlorous acid is produced in situ by mixing the sulfuric acid, the sodium hypochlorite solution, and the deionized water and exits the hypochlorous acid preparation apparatus through the outlet.

The invention relates to the technical field of disinfectant generation, in particular to a hypochlorous acid disinfectant generation device based on a jet flow type phase interface reaction method, which comprises a bracket, and further comprises a mixing and pressurizing assembly, a mixing pipe mounted on the bracket, a discharging pipe arranged at one end of the mixing pipe, and a pressurizing pipe arranged at the other end of the mixing pipe, a second liquid adding pipe and a liquid outlet pipe are respectively arranged at the end part of the pressurizing pipe; the adjusting assembly comprises a detection pipe installed above the pressurizing pipe, gas in the liquid outlet pipe is detected through the detection pipe, an adjusting piece is arranged between the detection pipe and the second liquid adding pipe, and the flow speed of liquid in the second liquid adding pipe is adjusted through the adjusting piece according to the gas detected by the detection pipe. The adjusting assembly is arranged at the end of the pressurizing pipe, whether chlorine is generated in the liquid outlet pipe of the pressurizing pipe or not is monitored in real time, when chlorine appears, the liquid inlet amount of raw materials is adjusted in time, meanwhile, the position is cooled, meanwhile, the adjusting and detecting means both adopt power during liquid inlet of the raw materials, and more production cost is saved.

Systems and methods for disinfecting a surface including a liquid irrigator and a hypochlorous acid generator assembly that is functionally coupled to the liquid irrigator. The liquid irrigator includes a pump mechanism and an applicator. The hypochlorous acid generator assembly is designed to produce a hypochlorous acid solution and maintain the solution within a targeted pH range in a reservoir. The pump mechanism of the liquid irrigator withdraws fluid from the reservoir and delivers an effective amount of the hypochlorous acid solution to a surface to be treated via the applicator. The hypochlorous acid solution is prepared on-site and immediately prior to application, ensuring maximum efficacy and freshness.

Provided are anti-microbial compositions that include an aqueous solution of hypochlorous acid encapsulated in a nanoparticle that allows for controlled release of hypochlorous acid. Also provided are methods of making and using such compositions.

The invention relates to a process for leaching metals from metal sulfide ore and / or concentrate, comprising: electrolytically generating a leach solution of oxidative halogen-based lixiviant; contacting the metal sulfide ore and / or concentrate with the leach solution of oxidative halogen-based lixiviant to produce a metal-bearing solution; and passing the metal-bearing solution to metal separation.

The utility model discloses equipment for preparing hypochlorous acid based on an ion exchange method, which relates to the technical field of hypochlorous acid preparation equipment and comprises a water inlet part, and the liquid inlet end of the water inlet part is connected with an external water supply pipeline; the liquid inlet end of the liquid injection part is connected with the water inlet part; the liquid inlet end of the ion exchange part is connected with the liquid injection part, and the liquid outlet end of the ion exchange part is connected with the hypochlorous acid using terminal through an external liquid conveying pipeline; the pipe diameter of the use terminal is greater than or equal to that of the liquid injection part; the controller is electrically connected with electrical elements in the water inlet part and the liquid injection part; according to the device, high-concentration hypochlorous acid can be prepared, the liquid outlet amount is large, and the weakly acidic cation exchange inner core has a good pH buffering function, so that the potential safety hazard of chlorine overflow does not exist.

To provide a solution having hypochlorous acid with improved storage stability as a main component.SOLUTION: The present invention discloses an aqueous solution having hypochlorous acid as a main component in which 40 mol% or more of the total sum of chlorine in the aqueous solution is chlorine of hypochlorous acid: particularly, an aqueous solution having hypochlorous acid as a main component in which 40 mol% or more of the total sum of chlorine in the aqueous solution is chlorine of hypochlorous acid, in which the total sum of alkali metal ions and alkaline earth metal ions is less than 1 mEq / L, and in which the total sum of negative ions in the aqueous solution other than hypochlorous acid is less than 10 mg / L, and which suppress metal corrosion.SELECTED DRAWING: None

The invention discloses a method for disinfecting by efficiently generating hypochlorous acid on site through a hydration method. The method comprises the following steps: 1, checking and preparing equipment; 2, pretreating the raw materials; step 3, carrying out hydration reaction on CO2 and water; 4, conveying and preparing a sodium hypochlorite solution; 5, adding a mixture of the hydration reaction of CO2 and water for reaction; step 6, mixing and adding a hypochlorous acid solution and a mixture of a hydration reaction of CO2 and water; step 7, monitoring and adjusting a disinfection process; 8, automatic control and remote monitoring are carried out; ninthly, equipment is maintained and maintained; hypochlorous acid is efficiently generated on site through a hydration method, the problem that hypochlorous acid is difficult to store for a long time and transport for a long distance is solved, the disinfection efficiency is greatly improved, and the disinfection cost is reduced. By accurately controlling the reaction conditions, the generated hypochlorous acid is ensured to have an optimal disinfection effect, and automation and safety of operation are realized at the same time.

Method for cleaning of mycotoxins includes fogging a volumetric space with anolyte hypochlorous acid having a concentration of 500 to 600 parts per million (ppm). After fogging, the volumetric space may be left undisturbed to a specified amount of time and then surfaces are wiped down. Further, the volumetric space can be re-fogged with the anolyte hypochlorous acid until humidity level reaches a specified level. Thereafter, the volumetric area can be gassed with chlorine dioxide. After completion of the chlorine dioxide treatment, a polymer coating can be applied to surfaces of the volumetric space to prevent regrowth of the mold and the production of mycotoxins.

Provided are anti-microbial compositions that include an aqueous solution of hypochlorous acid encapsulated in a nanoparticle that allows for controlled release of hypochlorous acid. Also provided are methods of making and using such compositions.

The application belongs to the field of aquaculture, and particularly relates to an ammonia-nitrogen removing agent for aquaculture and a preparation method thereof. The ammonia-nitrogen removing agent is composed of the following components in parts by weight: organic chlorine 8-10 parts, peroxide 6-8 parts, oxygen supplier 0.2-0.5 parts, catalyst 0.5-1 part, pH regulator 2 parts, and stabilizer 4-5 parts. The organic chlorine is sodium dichloroisocyanurate and cyanuric chloride, or cyanuric chloride. The catalyst is ferrocene. The pH regulator is sodium bisulfate and phosphate, or phosphate. The stabilizer is anhydrous sodium sulfate and anhydrous magnesium sulfate, or anhydrous sodium sulfate and anhydrous magnesium chloride. The application slowly releases hypochlorous acid through organic precursors, and degrades ammonia-nitrogen in water by combining with the ammonium magnesium phosphate method, so that the concentration is controllable and the effective period is long. While the ammonia-nitrogen removing agent of the application efficiently degrades ammonia-nitrogen, the problem of excessively high initial effective chlorine concentration is avoided, and the safety and stability of the treatment process are significantly improved.

To provide a slightly-acid hypochlorous acid water production apparatus and a slightly-acid hypochlorous acid water production method which keeps stable water quality, and can reduce initial cost.SOLUTION: A slightly-acid hypochlorous acid water production apparatus stops operation on the basis of a signal of a flow meter. The slightly-acid hypochlorous acid water production apparatus adjusts at least any one of a liquid feeding amount of a diluted hydrochloric acid and electrolytic current on the basis of the signal of the flow meter. The slightly-acid hypochlorous acid water production apparatus has: an electrolytic tank for electrolyzing the diluted hydrochloric acid and generating chlorine gas; a mixing tank for mixing clean water and the chlorine gas; a flow meter for measuring a supply flow amount of the clean water; and a control circuit part for adjusting at least any one of a liquid feeding amount of a diluted hydrochloric acid raw mater supplied to the electrolytic tank and electrolytic current to the electrolytic tank on the basis of the signal of the flow meter. A slightly-acid hypochlorous acid water production method measures the flow rate of the clean water, adjusts a generation amount of the chlorine gas generated by electrolysis of the diluted hydrochloric acid on the basis of the flow rate of the clean water, mixes the chlorine gas and the clean water and thereby produces slightly-acid hypochlorous acid water.SELECTED DRAWING: Figure 1

The application discloses a hypochlorous acid solution generating device based on automatic adjustment of displacement stroke of solution quantity, relates to the technical field of hypochlorous acid solution production, and is used for generating sodium hypochlorite solution into hypochlorous acid water. The hypochlorous acid solution generating device comprises a main body mechanism, a displacement mechanism, a pipeline adjusting mechanism and a liquid replacing mechanism. The main body mechanism and the displacement mechanism are connected. The main body mechanism and the pipeline adjusting mechanism are connected. The main body mechanism and the liquid replacing mechanism are connected. The displacement mechanism and the pipeline adjusting mechanism are connected. The displacement mechanism and the liquid replacing mechanism are connected. The main body mechanism comprises a workbench, an initial solution storage tank and a hypochlorous acid water storage tank. The initial solution storage tank is arranged on the workbench. The hypochlorous acid water storage tank is arranged on the workbench. The workbench is connected with the displacement mechanism. The workbench is connected with the pipeline adjusting mechanism.

Provided is a method for preparing a hypochlorous acid aqueous solution by which a weakly acidic hypochlorous acid aqueous solution having a pH of about 3.5-7 can be obtained without substantially generating chlorine gas even immediately after regeneration or even with a new weakly acidic cation exchange resin. In a method for preparing a hypochlorous acid aqueous solution wherein an aqueous solution of hypochlorite is brought into contact with a weakly acidic cation exchanger to exchange a cation constituting the hypochlorite with hydrogen ions to increase the concentration of hypochlorous acid in the aqueous solution, a neutral salt solution of a strong acid and a strong base in an amount that may obtain the hypochlorous acid aqueous solution having a pH of at least 3.5 when the hypochlorite aqueous solution is brought into contact with the weakly acidic cation exchanger is brought into contact, prior to the contact between the hypochlorite aqueous solution and the weakly acidic cation exchanger, with a weakly acidic cation exchanger that has been regenerated or has not been substantially subjected to cation exchange.

To provide a production method for industrially and stably producing acidic hypochlorous acid water having a stable pH, and for safely resuming production of acidic hypochlorous acid water after production of acidic hypochlorous acid water has been interrupted for some reason.SOLUTION: A method for producing acidic hypochlorous acid water comprises an ion exchange step of making a sodium hypochlorite aqueous solution pass through a column filled with weakly acidic cation exchange resin and a stop step of stopping passage of the sodium hypochlorite aqueous solution. The method for producing acidic hypochlorous acid water further comprises a water passage step of making water pass through the column before resuming the ion exchange step after the stop step.SELECTED DRAWING: Figure 1

The invention generally relates to compositions of hypochlorous acid (HOCl) and methods of manufacture thereof. In certain aspects, the invention provides air-free compositions of HOCl. In other aspects, the invention provides methods of making HOCl that involve mixing together in water in an air-free environment, a compound that generates a proton (H+) in water and a compound that generates a hypochlorite anion (OCl−) in water to thereby produce air-free hypochlorous acid.

Disinfecting compositions containing hypochlorous acid and acetic acid are useful for treating biofilms in or on tissue, including biofilms related to wounds or other skin trauma. The compositions are useful for treating a variety of types of tissue, both on the surface on beneath the surface of tissue. Compositions are provided for treating biofilms without inducing antimicrobial resistance.

A method for preparing pure hypochlorous acid includes a step of combining a predetermined amount of sodium hypochlorite with a predetermined volume of a nonpolar solvent and a predetermined amount of a weak acid (e.g., acetic acid) to form a biphasic mixture that includes an aqueous phase and an organic phase. The biphasic mixture is agitated, and then the organic phase is separated from the aqueous phase. The nonpolar solvent is removed from the organic phase to obtain the pure hypochlorous acid.

Provided are anti-microbial compositions that include an aqueous solution of hypochlorous acid encapsulated in a nanoparticle that allows for controlled release of hypochlorous acid. Also provided are methods of making and using such compositions.

The invention generally relates to compositions of hypochlorous acid (HOCl) and methods of manufacture thereof. In certain aspects, the invention provides air-free compositions of HOCl. In other aspects, the invention provides methods of making HOCl that involve mixing together in water in an air-free environment, a compound that generates a proton (H+) in water and a compound that generates a hypochlorite anion (OCl−) in water to thereby produce air-free hypochlorous acid.

The invention provides a skin disinfectant for treating skin with eczema, preventing bacterial proliferation, and removing biofilm. Compositions of the invention include hypochlorous acid, acetic acid, water, and one or more additives or excipients. The formulation process removes metal ions, reduces ionic strength, controls pH, and reduces exposure to air, thus improving stability and lengthening shelf-life.

A method for producing a weakly acidic hypochlorous acid aqueous solution comprises (A) an ion-exchange step for generating molecular hypochlorous acid dissolved in a mixed solution by mixing a raw material aqueous solution composed of an aqueous solution of a metal salt of hypochlorous acid with an acidic ion-exchange resin to perform ion exchange between the metal ions and the hydrogen ions, and (B) a separation step for separating the acidic ion-exchange resin from the mixed solution after the ion-exchange step and obtaining weakly acidic hypochlorous acid aqueous solution in which molecular hypochlorous acid is dissolved.

The present invention addresses the problem of providing a method and an apparatus for producing an aqueous hypochlorous acid solution having a high concentration by a simple process without generating a chlorine gas in principle. According to the present invention, an acidic aqueous solution having a pH of from 1.5 to 5 and an aqueous solution containing a hypochlorite are separately and independently prepared, and these solutions are subsequently mixed with each other, thereby obtaining an aqueous hypochlorous acid solution that has a pH of from 5 to 7.

To provide a technology for executing quickly sterilization and deodorization, while considering an electrode life.SOLUTION: A determination part 40 determines that odor is increased, when the odor amount detected by an odor detection part 22 exceeds a high level threshold. A storage part 42 stores a timing when odor increase is determined by the determination part 40 as an increase timing. A spray amount control part 44 increases a spray amount of electrolytic water from the increase timing to an expected timing after elapse of a fixed period, furthermore than the spray amount of the electrolytic water in a fixed period to the increase timing.SELECTED DRAWING: Figure 4

To provide a hypochlorous acid aqueous solution manufacturing apparatus.SOLUTION: A manufacturing apparatus of a hypochlorous acid aqueous solution having hypochlorous acid as a main component comprises: a water pipe to guide supplied city water; a carbon dioxide gas supply part to supply carbon dioxide gas into the city water guided by the water pipe; and a sodium hypochlorite aqueous solution supply part to supply a sodium hypochlorite aqueous solution into the city water supplied with the carbon dioxide gas. A constant flow rate valve is disposed at the upstream side of the carbon dioxide gas supply part at the water pipe. The sodium hypochlorite aqueous solution supply part is constituted by an ejector where the city water flowing in the water pipe is a drive fluid and the sodium hypochlorite aqueous solution is sucked.SELECTED DRAWING: Figure 1

The invention generally relates to compositions of hypochlorous acid (HOCl) and methods of manufacture thereof. In certain aspects, the invention provides air-free compositions of HOCl. In other aspects, the invention provides methods of making HOCl that involve mixing together in water in an air-free environment, a compound that generates a proton (H+) in water and a compound that generates a hypochlorite anion (OCl−) in water to thereby produce air-free hypochlorous acid.

The invention relates to the technical field of hypochlorous acid water preparation and sterilization and disinfection, in particular to a preparation method for improving the sterilization effect of hypochlorous acid water, which comprises the following steps: pretreatment: introducing deionized water into a closed reaction kettle, controlling the water temperature, adding a stabilizer, and stirring until the stabilizer is completely dissolved to obtain a pretreatment solution; performing main reaction: dropwise adding a sodium hypochlorite solution into the pretreatment solution, continuously stirring, and continuously stirring after dropwise adding to obtain a sodium hypochlorite basic solution; adjusting acidity and activating: dropwise adding diluted hydrochloric acid into the sodium hypochlorite basic solution, monitoring the pH value of a reaction system in real time, controlling the final pH value to be 4.2-5.5, and continuously stirring after dropwise adding to realize activation and stabilization of available chlorine; the diluted hydrochloric acid is selected as an acidity regulator to replace a traditional conventional regulator, so that the acidity and alkalinity regulation accuracy is improved, and efficient conversion of sodium hypochlorite to high-activity hypochlorous acid can be promoted.

A method is provided for filling a bag-on-valve can with a hypochlorous acid solution, including: providing a hypochlorous acid manufacturing apparatus having an anolyte storage tank in which the hypochlorous acid solution is stored; providing a bag-on-valve canning apparatus having a fluid inlet; connecting a pipe between the anolyte storage tank of the hypochlorous acid manufacturing apparatus and the fluid inlet on the bag-on-valve canning apparatus in order to provide the hypochlorous acid solution directly from the hypochlorous acid manufacturing apparatus to the bag-on-valve canning apparatus; providing a bag-on-valve can having a can in which a bag and a valve are disposed, wherein the valve seals the bag during non-use, the bag-on-valve can further including an actuator for actuating the valve; and filling the bag with the hypochlorous acid solution provided through the pipe. An apparatus is also disclosed for producing and canning a hypochlorous acid solution.