80results about "Chlorine dioxide" patented technology

A system and method for controlling and accelerating a Recovery Remediation cycle for the treatment of water of an aquatic facility for immersion by humans using a process controller programmed to obtain a targeted chlorine dioxide CT Value in the water. The system controls a Recovery Remediation cycle and utilizes a lag-time compensated Ct Value to reduce the time to complete the remediation cycle.

The invention relates to the technical field of disinfectants, in particular to a production method of a low-corrosion chlorine dioxide disinfectant, which comprises the following steps: dropwise adding a sodium hydroxide solution, monitoring the pH value, adjusting the pH value to 8-10, maintaining stirring for 5 minutes, checking solubility and temperature, collecting precipitate particles, and filtering to remove the precipitate particles to obtain an alkaline mixed solution. According to the invention, the pH value is monitored and regulated to an alkaline interval to execute solubility inspection, so that the property control of the mixed solution is realized; on the basis of combined treatment of nanometer titanium dioxide photocatalysis and radio frequency discharge, the content of free radicals is multiplied, and the oxidation activity is improved; a silane coupling agent is combined to treat nano zirconium oxide and put into a system, the temperature is adjusted, the dispersion state is monitored, and the dispersion stability is guaranteed; the pH value and the oxidation-reduction potential are continuously monitored, foam separation and the chlorine content are controlled, and the quality of an intermediate solution is ensured; regulating and controlling the adding amount and the pH value of hydrochloric acid, monitoring gas escape, and screening out impurities to obtain a high-purity isolate.

This disclosure relates to a composition, a system and a method of reducing and preventing the growth of microbes, or for killing microbes. More particularly, the disclosure relates to a composition, a system and a method of reducing and preventing growth of microbes, or for killing microbes, e.g., in food and medical equipment containers, using polymers entrained with antimicrobial agents.

The invention discloses a chlorine dioxide generating device, which comprises a plurality of storage tanks, a plurality of gas-liquid separation devices, a gas-liquid separation device, a gas-liquid separation device and a gas-liquid separation device, the first-stage reaction chamber is respectively connected with the plurality of storage tanks through a plurality of metering pumps by virtue of pipelines, and / or the second-stage reaction chamber is respectively connected with the plurality of storage tanks through a plurality of metering pumps by virtue of pipelines; the diluter is used for diluting a diluent and a high-concentration chlorine dioxide solution generated in the first-stage reaction chamber and / or the second-stage reaction chamber in proportion to generate a chlorine dioxide solution; the controller is electrically connected with the first-stage reaction chamber and / or the second-stage reaction chamber, the controller controls the metering pump connected with the first-stage reaction chamber and / or the metering pump connected with the second-stage reaction chamber to be started according to the target chlorine dioxide yield, and the raw materials in the storage tank are conveyed into the first-stage reaction chamber and / or the second-stage reaction chamber to generate chlorine dioxide. And controlling the diluter to dilute and mix the chlorine dioxide and the diluent to generate a chlorine dioxide solution. The multi-stage reaction chambers are designed, so that the controller can switch the connection modes according to the target yield, the requirement of high-efficiency production can be met, and the requirement of high yield can also be met.

The present invention provides a chlorine dioxide generator X formed to be capable of releasing contents in response to application of external force, the chlorine dioxide generator X comprising an easily breakable first housing bag 10 hermetically sealing a chlorite aqueous solution therein, a water-soluble second housing bag 20 housing a solid composition containing a second component, and an outside bag 30 housing the first housing bag 10 and the second housing bag 20, the outside bag 30 being provided with a permeable part 31.

A method is provided for producing a light-activated powder that provides solid-state generation and release of chlorine dioxide without detectable amounts of any toxic by-products such as chlorine gas, chlorite, or chlorate. The powder does not need to be exposed to moisture, relative humidity, or acid before or during exposure of the powder to visible light to generate gas. The powder can also be prepared under conditions that minimize or prevent decomposition or oxidation of sodium chlorite, or premature light activation of the powder during the manufacturing process to maximize its activity.

The invention discloses a modularized chlorine dioxide generation device and a generation method thereof, and relates to the field of chlorine dioxide generation, the modularized chlorine dioxide generation device comprises a bottom plate, supporting legs I are uniformly arranged at two ends of the bottom plate, and a storage module is fixedly connected to the top of the bottom plate; one storage module is used for storing a sodium chlorate solution, the other storage module is used for storing a hydrochloric acid solution, the outer surfaces of the storage modules are fixedly connected with reaction modules, the bottoms of the reaction modules are fixedly connected with the top of the bottom plate, and the ends, away from the storage modules, of the reaction modules are fixedly connected with gas separation modules; the bottom of the gas separation module is fixedly connected with the top of the bottom plate, a notch is formed in the position, close to the reaction module, of the bottom plate, a hydrochloric acid solution and a sodium chlorate solution are stored in the storage module, and then the storage module conveys the solutions to the reaction module for chemical reaction; the gas separation module sucks the generated mixed gas and transfers the generated by-product chlorine into chlorine dioxide.

To provide a method for manufacturing a new germicidal disinfectant from sodium hypochlorite degraded during storage.SOLUTION: A method for manufacturing a new germicidal disinfectant from a solution including hypochlorite ion, chloric ion, and chloride ion, includes: a first reaction process of adding sulfuric acid to the solution and generating chlorine gas; a process of reacting the chlorine gas generated in a recovery liquid A with sodium hydroxide or calcium hydroxide and recovering it as hypochlorite ion; a second reaction process of adding sulfuric acid having higher concentration than that in the first reaction process to a reaction mother liquid after the first reaction process and generating chlorine dioxide gas; a process of reacting the generated chlorine dioxide gas with sodium hydroxide and hydrogen peroxide in a recovery liquid B and recovering it as chlorous acid ion; and a process of blending the recovery liquid A with the recovery liquid B to obtain the new germicidal disinfectant.SELECTED DRAWING: None

Methods of manufacturing a light-activated powder are provided which provide solid-state generation and release of chlorine dioxide without detectable amounts of any toxic by-products such as chlorine gas, chlorites, or chlorates. The powder need not be exposed to moisture, relative humidity, or an acid before or during exposure of the powder to visible light to generate the gas. The powder can also be prepared under conditions that minimize or prevent decomposition or oxidation of sodium chlorite or premature light activation of the powder during the manufacturing process to maximize its activity.

A device for generating and dispersing chlorine dioxide which includes a housing, at least one removeable tray having a plurality of compartments contained within an interior of the housing, and a fan in communication with the interior of the housing and the exterior of the housing for directing a current of chlorine dioxide gas that is generated from chemicals that are positioned within the removeable tray(s).

The present invention relates to a method for generating chlorine dioxide gas in a sustained-release manner for a long period of time without generating dangerous high-concentration gas. When the slow-release chlorine dioxide gas generation method according to the present invention is used, the purpose of long-term disinfection can be achieved by generating chlorine dioxide gas at a low concentration until alternating swarms without hurting bees in order to manage the infection of swarms.

The invention discloses a biological preparation capable of disinfecting and retaining freshness of mulberry leaves, which belongs to the technical field of biological preparations and comprises the following components: food-grade chlorine dioxide, sericin, creeping oxalis extract and fructo-oligosaccharide. The invention further discloses a preparation method of the biological agent with the disinfection and fresh-keeping functions on the mulberry leaves. The food-grade chlorine dioxide has the effects of disinfecting and inhibiting various bacteria, the sericin protein has oxidation resistance, a hydration film can be formed on the surfaces of mulberry leaves after spraying, the moisturizing effect is achieved, the effect of inhibiting diseases and insect pests is achieved, the fresh-keeping effect is achieved, the creeping oxalis extract has the fresh-keeping effect, and the fresh-keeping effect is good. The fructo-oligosaccharide has the effect of improving the nutrition of the mulberry leaves, and the four components are combined, so that not only can the mulberry leaves be sterilized, but also the mulberry leaves can be preserved, the taste and nutrition of the mulberry leaves are improved, the food intake of silkworms is increased, and the disease resistance of the silkworms is improved while the growth speed of the silkworms is increased.

The present invention is designed in the field of air disinfection equipment, and is based on a binary chlorine dioxide generator for air disinfection equipment, including a medicine dispensing box, a medicine barrel, a quantitative conveying device and a crushing device, wherein the medicine barrels have two, and the lower ends of the two medicine barrels are connected to the input end of the quantitative conveying device through a pipeline, and the output end of the quantitative conveying device is connected to the input end of the crushing device through a pipeline, and the output end of the crushing device is connected to the inside of the medicine dispensing box; the bottom of the medicine dispensing box also includes a rotatable partition and a partition driving device, and the partition is rotatably arranged at the bottom of the medicine dispensing box, and the partition rotates to make two independent spaces interconnected; the medicine dispensing box is also connected to a gas delivery pipe for conveying gas to the outside, and a water delivery device for conveying water to the inside of the medicine dispensing box. The equipment uses chlorine dioxide as a disinfection medium, has a fast reaction speed, low cost, and an easy-to-control reaction process, and a controllable release speed of the disinfection medium.

To provide a new method capable of easily sterilizing spores with high safety.SOLUTION: A radical manufacturing method includes a treatment step of irradiating a radical generating source with light, generating a radical, and treating spores with the radical, wherein a peak wavelength of the irradiation light in the light irradiation exceeds a UV wavelength and is 600 nm or less. A spore sterilization method includes a treatment step of irradiating a radical generating source with light, generating a radical, and treating spores with the radical, wherein a peak wavelength of the irradiation light in the light irradiation exceeds a UV wavelength and is 600 nm or less. The peak wavelength is, for example, 405 to 470 nm.SELECTED DRAWING: None

This invention provides a method for preparing chlorine dioxide gas, belonging to the technical field of disinfectant preparation. The method involves adding an acidic solution and / or sodium persulfate solution to a solid preparation containing chlorite, conducting a redox reaction to obtain chlorine dioxide gas. The addition rate of the acidic solution and / or sodium persulfate solution is ≤0.8 mL / min; the solid-liquid ratio of the solid preparation containing chlorite to the acidic solution and / or sodium persulfate solution is 4–6 g: 8–15 mL. This invention controls the generation rate of chlorine dioxide gas by controlling the quantitative and rate-controlled liquid addition, avoiding spontaneous combustion caused by excessively high chlorine dioxide concentrations. Simultaneously, it maintains an excess solid state in the reaction system, reducing the dissolution of chlorine dioxide gas and improving the preparation efficiency of chlorine dioxide gas.

The present invention relates to a generation method for generating chlorine dioxide gas in a sustained manner over a long period of time without generating dangerously high concentrations of gas. When using the sustained-release chlorine dioxide gas generation method of the present invention, chlorine dioxide gas can be produced at a low concentration without damaging bees for infection control of bee colonies, thereby achieving the purpose of long-term disinfection until a colony is replaced.

This invention discloses a method for catalytically activating chlorite to produce chlorine dioxide. Driven by external force, a polymer with piezoelectric, hydrophobic, and electron-withdrawing properties is used as a catalyst to catalyze the activation of chlorite to produce chlorine dioxide. The advantages of this invention are that it can generate piezoelectric catalysis derived from force-electroelectric coupling and contact-induced electrocatalysis, promoting charge separation and transfer. The positively charged layer formed on the polymer surface can exchange electrons with chlorite ions, i.e., steal their electrons, thereby forming chlorine dioxide. Simultaneously, due to the force-electroelectric coupling effect, it can also generate reactive species such as hydroxyl radicals and superoxide radicals.

A method of disinfecting a body of water comprising the steps of: adding sodium chlorite and / or sodium chlorate to the body of water, and, converting the sodium chlorite and / or sodium chlorate to chlorine dioxide in an electrolytic cell in fluid communication with a water circulation system of the body of water.

Disclosed herein are methods of producing a gas at a controlled rate, the methods comprising directing air through a layered bed to produce a gas. The layered bed comprises alternating layers of a layer of dry particles comprising a precursor and a layer of dry particles comprising a proton-generating species. The gas is produced at a rate that is controlled by controlling the presence or absence of air flowing though the layered bed, the amount of time the air flows through the layered bed, the total number of layers in the layered bed, the average thickness of each of the layers of dry particles comprising the precursor in the layered bed, the average thickness of each of the layers of dry particles comprising the proton-generating species in the layered bed, the temperature the method is performed at, or a combination thereof.

The invention provides a preparation device and method of pure chlorine dioxide liquid and a storage method, and relates to the field of chemical pharmacy preparation, in particular to a chlorine dioxide injection precursor. The device comprises a reaction chamber and a freezing chamber communicated with the reaction chamber, and chlorine dioxide gas generated in the reaction chamber is conveyed into the freezing chamber to be directly liquefied, so that high-purity chlorine dioxide liquid is obtained. The invention solves the problems of inaccurate concentration control, insufficient stability, difficulty in meeting medicine quality management specifications and the like in the production process of the pure chlorine dioxide liquid in the prior art, and provides the stable and controllable preparation device and method of the pure chlorine dioxide liquid meeting the medicine quality requirements. The preparation method is particularly suitable for preparing and storing precursor liquid of the chlorine dioxide injection, and meets the medicine quality management standard.

The present invention relates to a generation method for generating chlorine dioxide gas in a sustained manner over a long period of time without generating dangerously high concentrations of gas. When using the sustained-release chlorine dioxide gas generation method of the present invention, chlorine dioxide gas can be produced at a low concentration without damaging bees for infection control of bee colonies, thereby achieving the purpose of long-term disinfection until a colony is replaced.

Chlorine dioxide compositions and methods of using the chlorine dioxide compositions on animal skin are disclosed. The chlorine dioxide compositions are formed by mixing an acidic composition and a chlorite salt composition together. The acidic composition includes an acid and an aldehyde.

The invention relates to an apparatus and a method for producing a fluid product, for example a fluid reaction product. The invention comprises a reaction chamber and a receiving chamber and a control unit configured to control the flow of fluid into the reaction chamber through the one or more fluid connections. The invention further comprises a first quantity sensor and a second quantity sensor arranged to continuously or at least quasi-continuously determine the quantity of fluid components of the reaction chamber and the receiving chamber at least during the introduction of the fluid components.

Provided is a chlorine dioxide generation device (X) in which chlorine dioxide gas is generated by mixing, in a solvent in a container (1), a chlorite salt, an acidic substance that reacts with the chlorite salt to generate chlorine dioxide gas, and a buffer action substance that is a salt or conjugate base thereof that buffers the acidic substance.

The apparatus 10 comprises a mixing funnel 24 comprising a reaction chamber (58, figure 4), an inlet region (60, figure 4) , and an outlet region comprising at least one restriction orifice 72. Whilst

There is disclosed a method of forming chlorine dioxide comprising passing chlorous acid through a membrane including a catalyst suitable to catalyse the formation of chlorine dioxide from chlorous acid. There is also disclosed a membrane suitable for forming an aqueous solution of chlorine dioxide comprising a catalyst suitable to catalyse the formation of chlorine dioxide from chlorous acid or alkali metal chlorite.

The invention refers to the field of biocides and refers to an aqueous chemical composition that comprises hypochlorous acid and chlorine dioxide. It also refers to a method for manufacturing hypochlorous acid for obtaining the chemical composition and to an installation to perform the method. The installation comprises a first reactor (RNK), an acid reactor (RAK), in which an acid composition is mixed with an aqueous solution coming from the first reactor (RNK), and a basic reactor (RBK), in which a basic composition is mixed with an aqueous solution coming from the first reactor (RNK). The solution obtained in the basic reactor (RBK) is mixed with the solution obtained in the acid reactor (RAK) to form a mixed solution, which is discharged into the first reactor (RNK).