65 results about "Hypochlorous acid" patented technology

This invention relates to the field of industrial wastewater treatment technology, and discloses an electrocatalytic oxidation device and its operating method for treating saline industrial organic wastewater. Wastewater enters the reaction chamber through the bottom inlet, is forced through the anode channels, and undergoes an electrochemical oxidation reaction on the anode surface to convert chloride ions into hypochlorous acid. A vacuum ultraviolet light source performs in-situ photolysis of water molecules and hypochlorous acid, exciting various active species, including strongly reducing hydrated electrons, strongly oxidizing hydroxyl radicals, and chloride radicals. This device, through the construction of a reduction-oxidation system, can efficiently degrade various pollutants with both electron-rich and electron-deficient characteristics. This invention utilizes the synergistic coupling of electrochemical generation and photochemical conversion to convert high-concentration chloride ions into active precursors, effectively overcoming the bottlenecks of low degradation efficiency and poor selectivity in traditional technologies for high-salt and complex water quality, and significantly improving the system's mineralization efficiency and energy utilization rate.

1. The name of the design product: low concentration hypochlorous acid water generating device. 2. The use of the design product: for the generation of low concentration hypochlorous acid water. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

This invention belongs to the field of electrochemical disinfection and health care technology, specifically disclosing a membrane electrolysis drinking water generation device and method for facility-based livestock farming. The device includes a pretreatment unit for softening and filtering raw water, a membrane electrolysis unit for generating hypochlorous acid solution and hydrogen-rich aqueous solution, a salt solution supply unit for injecting chlorine-containing electrolyte into the anode chamber of the membrane electrolysis cell, a salt solution dilution unit for adjusting the concentration of the chlorine-containing electrolyte, a multi-channel water distribution unit including a first branch, a second branch, and a third branch, a mixing and water addition unit, and a closed-loop control unit for dynamically regulating the ratio of electrolyzed functional water. This invention, employing the above-mentioned membrane electrolysis drinking water generation device and method for facility-based livestock farming, integrates hypochlorous acid disinfection and hydrogen-rich health care functions, ensuring stable concentration of effective components, convenient operation, and strong applicability.

The application discloses a fluorescent probe and a detection method for continuously detecting copper ions and hypochlorite. The fluorescent probe is a triphenylamine compound containing an acylhydrazone group and has a structure shown in formula (I). The complex of the application is used as a fluorescent probe for detecting hypochlorite in an aqueous solution, and shows a clear fluorescence enhancement response, has a fast response speed, and can realize real-time detection of hypochlorite. The detection sensitivity is high, and the detection limit is as low as 120 nM. By using a standard curve, the concentration of hypochlorite in a to-be-detected sample can be accurately quantitatively analyzed, especially the concentration of hypochlorite in a commercially available disinfectant sample. The hypochlorite has ultrahigh selectivity, and other common anions have almost no interference. The detection method provided by the application can realize rapid detection of harmful substances, copper ions and hypochlorite, is more efficient, and has a relatively low cost.

This invention is related to the fields of medical biotechnology, nanobiotechnology, and nanomedicine. It involves a nanomedicine product that can release HOC1 (hypochlorous acid) at the tumor site in a controlled manner to treat lung cancer. HOC1 is a potent antimicrobial and antitumor agent that can target tumor tissues while minimizing damage to healthy tissues. The produced nanoparticles have a two-layer structure: the inner layer contains alginate, PFP (perfluoropentane), and Ca(OCl)2 to release HOC1, and the outer layer has a chitosan coating with folate and salicylic acid for targeting and proton release. The production process involves nanoemulsion and coating with the ionic gelation technique. When the nanoparticles are delivered to the lungs and targeted to cancer cells with folate, ultrasound radiation triggers the release of HOC1 to induce apoptosis and destroy cancer cells effectively, reducing side effects and improving treatment outcomes for lung cancer patients.

The application relates to a platinum complex fluorescent probe and application thereof in hypochlorite detection and trivalent metal ion detection. The structure formula of the platinum complex fluorescent probe is shown in the following formula. The platinum complex fluorescent probe described in the application has good selectivity and high sensitivity to hypochlorite and trivalent metal ions, fills the blank that no compound capable of detecting both hypochlorite and trivalent metal ions is found in the prior art, and meanwhile, the preparation method of the platinum complex fluorescent probe has mild reaction conditions.

This invention provides an online detection method for effective chlorine concentration using a thin-layer channel electrochemical sensor. The method includes: measuring the charge transfer resistance of the sensor's working electrode using electrochemical impedance spectroscopy; intelligently determining the electrode's contamination state and triggering closed-loop adaptive cleaning; after cleaning, measuring the high-frequency impedance of the solution to obtain real-time conductivity parameters; applying a detection sequence containing at least three different potential steps, simultaneously acquiring the steady-state current, pH value, and temperature of the solution at each potential; correcting the current for conductivity based on the solution impedance; and calculating the molecular hypochlorous acid concentration in real time based on the dissociation equilibrium formula of hypochlorous acid, combined with pH value and temperature. This invention achieves intelligent maintenance of the electrode state and dynamic compensation for solution matrix interference, enabling high-precision and high-stability online detection of the molecular hypochlorous acid concentration, which plays a crucial role in disinfection efficacy.

This invention discloses a nopinel-based bifunctional fluorescent probe capable of simultaneously detecting hypochlorous acid and viscosity, along with its preparation method and applications. The probe is 2-(2-(5-(4-(3,3-dimethyl-1,2,3,4-tetrahydro-2,4-geomylidene-acridin-9-yl)phenyl)furan-2-yl)vinyl)-6-methoxy-3-methylbenzothiazolium iodide, abbreviated as TA-PFV-TI. This probe can specifically detect the viscosity and hypochlorous acid of a solution. Under 365 nm ultraviolet light irradiation, the probe's orange fluorescence gradually intensifies with increasing solution viscosity. The linear detection range for viscosity is 1.28 cP–1411.98 cP, with a response time within 1 second and a detection limit of 1.00 cP. Upon addition of hypochlorous acid to the probe solution, its fluorescence color changes from orange to bright blue. The linear detection range for hypochlorous acid is 0–200 μM, with a response time of 5 min and a detection limit of 2 nM. The applicable pH range is 5–9. This probe, as a bifunctional fluorescent probe capable of simultaneously detecting hypochlorous acid and viscosity, exhibits numerous advantages such as good selectivity, high sensitivity, and wide applicability, demonstrating promising application prospects.

This invention relates to the field of copper-based catalyst preparation, and discloses a self-supporting copper-based electrode, its preparation method, and its applications. The method for preparing a self-supporting copper-based electrode includes: placing a carbon-based support in an electrolyte containing copper salt, and performing constant-current electrochemical deposition under the induction of hypochlorous acid. The self-supporting copper-based electrode prepared by this method exhibits excellent electrocatalytic performance while also possessing the advantage of simple processing.

This invention discloses a method for preparing tin dioxide hydrated colloidal precursors via dual-anode synchronous electrolysis, belonging to the field of electrochemical preparation technology of inorganic functional materials. The method includes the following steps: a) preparing an electrolyte containing 0.01 M hydrochloric acid and adjusting the initial pH value; b) using a high-purity tin plate as anode 1 and a titanium-based size-stabilized electrode as anode 2; using the titanium-based size-stabilized electrode as a common cathode; c) applying a DC voltage for constant-voltage synchronous electrolysis; anode 1 dissolves to generate stannous ions, anode 2 electrolyzes chloride ions to generate hypochlorous acid, and the hypochlorous acid instantly oxidizes the stannous ions to tetravalent tin ions in the bulk solution far from the cathode, forming a translucent tin dioxide hydrated colloidal precursor in situ in an acidic medium; d) drying the resulting colloid under reduced pressure and then calcining it at 200–250℃ to obtain high-purity nano-tin dioxide. This invention achieves integrated "dissolution-oxidation-gelation" through dual-anode synergy, avoiding the loss of hypochlorous acid during cathode reduction.

This invention provides a sterilization device that prevents blockage between electrodes even with small electrode clearances and low applied voltages, and is suitable for personal use. [Solution] A sterilization device comprising electrodes consisting of opposing cathodes and anodes immersed in stored water, and a power supply that applies a voltage between the cathodes and anodes, which sterilizes by anodic oxidation of chloride ions contained in stored water through electrolysis of the stored water and the production of hypochlorous acid, wherein the cathodes and anodes of the electrodes are formed in a plate shape, the cathodes and anodes of the electrodes are housed in a case having a lower opening and an upper opening, and the gap between the cathodes and anodes of the electrodes is 1 to 1.5 times the thickness of the electrode plates.

This application relates to the field of air purification technology, specifically to a biomedical-based odor-removing and antibacterial air freshener, mainly composed of the following raw materials in parts by weight: 2.5-5.5 parts modified lysozyme microcapsules, 2.5-4.5 parts modified quaternary ammonium salt-β-cyclodextrin inclusion complex, 1.5-2.5 parts plasma amine oxidase, 2.0-3.5 parts compound plant extract, 0.2-0.3 parts citric acid, 0.5-0.6 parts lactic acid, and the balance being food-grade deionized water; the air freshener has a pH value of 6.0-8.5. The mist particle size is 10-50μm; the air freshener does not contain fragrances, alcohol, pigments, preservatives, chlorine disinfectants, hypochlorous acid, drugs, hormones and other irritating ingredients. All raw materials and modified carriers are food-grade and edible. Through a triple deodorization system of plasma amine oxidase, β-cyclodextrin and compound plant extracts, the ammonia removal rate is ≥95%, the odor suppression time is ≥100h, the product has a skin irritation level of 0, and the acute oral toxicity LD50 is >5000mg / kg, achieving a balance between mild and non-irritating properties and highly effective sterilization.

This invention relates to the field of water purification equipment technology, and discloses a purification machine and method for converting chlorine-containing water into hydrogen chloride-containing liquid. The purification method involves connecting municipal tap water, surface water, or groundwater to a pre-treatment tank via an input pipe equipped with valve A for filtration. The water then enters a reaction tank via valve B. An external chlorine generator is connected to a chlorine detection and regulator via valve C. After the chlorine detection and regulator, a chlorine pipe leads into the reaction tank, where chlorine disinfects the water and reacts with it to produce hydrochloric acid and hypochlorous acid. The water then undergoes deep filtration in a high-adsorption chlorine integrated chamber. A valve D connects the high-adsorption chlorine integrated chamber to an external hydrogen generation device. After filtration, the water enters a temperature-controlled photosynthetic unit, where hypochlorous acid is decomposed to form a stable hydrochloric acid-containing liquid. Finally, the liquid passes through a monitoring device and enters a pressure regulating and storage tank. This invention effectively improves the purification purity of drinking water containing hydrogen chloride.

The bathroom purification method of the present application is a method using a hypochlorous acid gas supply device (30). It includes: a water adhering step (step S11) of adhering water to at least a wall surface (2) of a bathroom (1); a hypochlorous acid gas generating step (step S12) of generating hypochlorous acid gas in the hypochlorous acid gas supply device (30); a hypochlorous acid gas supply step (step S13) of supplying air containing the hypochlorous acid gas into the bathroom (1); and a purification step (step S14) of purifying the bathroom by dissolving the hypochlorous acid gas in the water adhered to the wall surface (2) by maintaining a prescribed time in a state in which the air containing the hypochlorous acid gas is supplied into the bathroom (1).

1. The name of the design product: hypochlorous acid generator (Leiying box). 2. The use of the design product: for producing hypochlorous acid. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

To provide a space purification device that can stably generate a desired amount of hypochlorous acid gas over a long period of time. [Solution] The air purification device includes an electrolytic cell that generates hypochlorous acid, and Cl - The system comprises a supply tank for supplying an aqueous solution to an electrolytic cell, an electrolytic anode, a reversible common electrode, and a regenerative cathode provided in the electrolytic cell, a supply cathode provided in the supply tank, and an anion exchange membrane provided to connect the electrolytic cell and the supply tank. A first aqueous solution is electrolyzed without a membrane using the electrolytic anode and the common electrode used as the cathode to generate hypochlorous acid, and a purification operation is performed in which air introduced from the outside space flows through the electrolytic cell and is released into the outside space together with the hypochlorous acid. If the oxide film on the common electrode decreases due to the purification operation, the membrane-free electrolysis is stopped and the system switches to a regeneration operation to regenerate the oxide film, and the oxide film on the surface of the common electrode is regenerated by applying a voltage between the common electrode, which is set as the anode, and the regenerative cathode.

This invention relates to the field of graphene and discloses a method for preparing highly dispersible graphene oxide with a high monolayer ratio at low temperatures. The method includes: S1: ball milling a mixture of graphite and activated carbon; S2: immersing the graphite / activated carbon mixture in an acidic solution containing hypochlorous acid and / or hypochlorite under light irradiation for a pre-oxidation reaction to exfoliate the graphite into a monodisperse state; S3: oxidizing the product of reaction S2 in a concentrated sulfuric acid / perchloric acid mixed acid system; S4: diluting the product of reaction S3 with water and then introducing a ferrous salt for a reduction reaction; and finally, separating and washing to obtain a graphene oxide dispersion. This invention can prepare highly dispersible graphene oxide with a high monolayer ratio under low temperature and mild conditions. Furthermore, during the preparation process, this invention utilizes the synergistic effect of activated carbon and chloride ions to fully disrupt the large π bonds of the conjugated aromatic domains in graphite, thereby increasing the flexibility of the graphene sheets and reducing viscosity.

This invention provides a two-site benzothiazole fluorescent probe, its preparation method, and its application, belonging to the field of organic synthesis technology. This invention provides a two-site benzothiazole fluorescent probe, constructed by modifying the benzothiophene fluorophore. This two-site benzothiazole fluorescent probe can chemically react with H₂O₂ and hypochlorite ions separately under the same detection conditions to generate different fluorescent substances, achieving the distinguishing detection of H₂O₂ and hypochlorite ions under the same excitation. It can simultaneously detect H₂O₂ and hypochlorite ions, exhibiting advantages such as high detection sensitivity, good selectivity, and high discrimination, and has good application prospects.

This invention discloses a fluorescent probe for detecting hypochlorite based on the synergistic effect of ESIPT and AIE in a benzothiazole structure, its preparation method, and its application, belonging to the field of fluorescent probe technology. The invention uses 2-aminobenzylthiophenol and 2-hydroxy-5-methoxybenzaldehyde as starting materials, condensing them to form a benzothiazole derivative as the fluorescent core. A diaminomaleitrile recognition group is introduced through an aldehyde-amine condensation reaction to synthesize the fluorescent probe. After the probe undergoes a specific oxidation reaction with hypochlorite, the C=N double bond breaks, and the ESIPT and AIE effects are synergistically activated, resulting in a significant enhancement of fluorescence. This probe exhibits a fast response, a linear range of 0-200 μM, a detection limit of 29.1 nM, excellent selectivity and anti-interference properties, and stability under pH 6-10 conditions, making it suitable for highly sensitive detection of hypochlorite in aqueous solutions and complex systems.

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.

The present application relates to a kind of foam-rich mould-removing spray, it is characterized in that, by weight percentage, including the following components: sodium hypochlorite aqueous solution, by chlorine element: 1~8%;Base agent, by hydroxyl ion: 0.1~4%;Foam stabilizing component, by active substance: 1~8%;Chlorine stabilizer: 0.05~1%;Water: remainder;The base agent includes at least one of sodium hydroxide or potassium hydroxide;Active substance in the foam stabilizing component includes zwitterionic surfactant and alkyl benzene sulfonate.The present application creates a stable foam system in high alkali, high hypochlorite ion environment by the specific compounding of zwitterionic surfactant and alkyl benzene sulfonate.Successfully solved the technical problem that "strong oxidizing property" and "foam stability" are difficult to consider.

Process for recovering a precious metal from a plating layer. This application relates to a process for recovering a precious metal present in a plating layer covering all or part of the surface of an object, comprising (i) contacting said object with an aqueous solution having a pH of 4 to 11 and comprising from 0.01 mol.L-1 to 1 mol.L-1 of dihydrogen phosphate and / or hydrogen phosphate ions, and from 0.1 mol.L-1 to 2 mol.L-1 of hypochlorite ions, such that at least a portion of the precious metal present in the plating layer dissolves in the aqueous solution, and (ii) separating the solution obtained at the end of step i) from the object, so as to recover, on the one hand, the object, and on the other hand, the aqueous solution containing the precious metal. Figure for abstract: none

This invention discloses a bifunctional fluorescent probe that simultaneously distinguishes between hypochlorous acid and viscosity. The chemical structure of the bifunctional probe is as follows: This bifunctional fluorescent probe combines a 1,8-naphthalenedimide derivative and an indole derivative through a simple condensation reaction. It recognizes hypochlorous acid through a sulfhydryl oxidation strategy and detects viscosity through a molecular rotor strategy. When the probe reacts with hypochlorous acid, it emits strong green fluorescence at 540 nm under an excitation wavelength of 430 nm; when it reacts with viscosity, it emits near-infrared fluorescence at 724 nm under an excitation wavelength of 650 nm. This probe exhibits good selectivity and rapid response in detecting hypochlorous acid and viscosity, and has great application potential in analytical chemistry, life sciences, and biomedicine.

Disclosed herein is a method of extracting metal from a metal sulfide containing material comprising the steps of: a) providing an aqueous acidic oxidant mixture comprising water, an acid, an oxidising means, and a halide ion source, wherein the aqueous acidic oxidant mixture has a pH of less than 7; wherein the oxidising means comprises hydrogen peroxide, ozone, oxygen, chlorine, bromine, iodine, hypochlorous acid, hypobromous acid, hypoiodous acid, a hypochlorite salt, a hypobromite salt, a hypoiodite salt, a percarbonate salt, a persulfate salt, a permanganate salt, an anode connected to a power source, or combinations thereof; b) contacting the aqueous acidic oxidant mixture with the metal sulfide containing material to extract the metal from the metal sulfide containing material and form a metal halide solution; wherein the metal comprises copper, nickel, lead, zinc, or combinations thereof.

A hypochlorous acid water preparation agent merely contains elements without concern for the human body, allows hypochlorous acid water to be prepared without effort, and can be stored or transported easily. The hypochlorous acid water preparation agent is an additive for preparing hypochlorous acid water by electrolyzing an electrolytic solution obtained by dissolving an electrolyte in a specified amount of water. The additive consists of sodium chloride, sodium diacetate, and optional sodium hydrogencarbonate. The additive is in powder form, particle form, granule form, or tablet form.

1. Name of the product in this design: Packaging box (hypochlorous acid wound disinfectant). 2. Application of this design: This design is intended for use in product packaging. 3. The key design features of this product are the combination of pattern and color. 4. The image or photograph that best illustrates the design's key points: a 3D model. 5. The design for which protection is sought includes color.

The application provides a fluorescent probe compound for simultaneously detecting HClO and SO2 at double sites and synthesis and application thereof. The probe compound takes phenothiazine as a response group of HClO, expands the conjugated structure of phenothiazine, and introduces a response group of SO2 and an organelle positioning group on the near-infrared fluorescent skeleton, thereby constructing an endoplasmic reticulum-targeted fluorescent probe BQTPA for simultaneously detecting HClO and SO2. The probe can realize dual-channel simultaneous detection of HClO and SO2 through two completely separated emission channels (λem=598 nm and 448 nm), and exhibits excellent selectivity, high sensitivity (detection limits are 7.9 nM and 33.8 nM, respectively) and good light stability to the response of HClO and SO2. The probe is successfully used for monitoring the changes of exogenous and endogenous HClO and SO2 levels in cells, further reveals the dynamic changes of the two in the process of drug-induced liver injury and ferroptosis, and clarifies the role of ferroptosis in liver injury.