327 results about "Hypochlorous acid" patented technology

The invention provides a preparation method of an aluminum oxide passivation layer, the aluminum oxide passivation layer and a TBC battery, and relates to the technical field of solar batteries. The preparation method of the aluminum oxide passivation layer comprises the following steps: introducing a mixed gas of chlorine dioxide, hydrogen chloride and hypochlorous acid into the silicon substrate, and carrying out first pretreatment; introducing mixed gas of hydrogen and argon, and carrying out secondary pretreatment; introducing mixed gas of nitrogen, oxygen and water vapor, and carrying out third pretreatment; and after the pretreatment is completed, depositing an aluminum oxide passivation layer on the silicon substrate. According to the preparation method, the problem that in the prior art, aluminum oxide is directly deposited on a silicon substrate after texturing, and the fitting degree of aluminum oxide and the textured surface is poor due to poor uniformity of a natural oxide layer is solved, the passivation performance of the prepared aluminum oxide passivation layer is effectively improved, and therefore the open voltage and the conversion efficiency of a TBC battery prepared from the aluminum oxide passivation layer are remarkably improved.

The utility model discloses a comprehensive treatment device of a circulating cooling water system. The comprehensive treatment device of the circulating cooling water system comprises a cooling circulating water pool, a water pump, a cooling tower, a first electromagnetic frequency mixing scale inhibition device, a side filtration system, an electrochemical water treatment device and a hypochlorous acid sterilization device, the water supply main pipe is matched with the heat exchange device and connected with the cooling tower through the water return main pipe, and the cooling tower is connected with the cooling circulation water pool. The first electromagnetic frequency mixing scale inhibition device is arranged on the water supply main pipe; the bypass filter system, the electrochemical water treatment device and the hypochlorous acid sterilization device are respectively connected with the water return main pipe and the cooling circulating water tank through pipelines. The utility model provides a comprehensive treatment device of a circulating cooling water system, which can ensure the heat exchange efficiency of the circulating cooling water system and realize long-term stable operation on the premise of ensuring that the water quality reaches the standard and greatly reducing chemical agents.

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.

The invention relates to the technical field of organic synthesis, in particular to a preparation method of N, N '-dichloro-1, 4-benzenedicarboxamide, which comprises the following steps: taking terephthalamide as an initial raw material and tert-butyl hypochlorite as a chlorination reagent; the method comprises the following steps: carrying out a chlorination reaction on terephthalamide and tert-butyl hypochlorite in a solvent under the protection of inert gas by controlling the reaction temperature, and after the reaction is finished, carrying out post-treatment to obtain N, N-dichloro-1, 4-phthalimide. The preparation method of the N, N '-dichloro-1, 4-benzenedicarboxamide comprises the following steps: taking terephthalamide and tert-butyl hypochlorite as raw materials, and carrying out one-step reaction to generate a dichloro product. Compared with a traditional N, N '-dichloro-1, 4-benzenedicarboxamide production method, the preparation method has the advantages that the amount of three wastes generated is small, the product yield is high, the product purity is high, the operation is safe and convenient, and the preparation method is more suitable for industrial application.

The invention relates to a fluorescent probe for hypochlorous acid detection and a preparation method and application thereof, the chemical name of the fluorescent probe for hypochlorous acid detection is 5-butyl-10, 10-difluoro-9-(4-(methylthio) phenyl)-5-hydro-4H, 10H-9 lambda 4, 10 lambda 4-benzo [de] [1, 3, 2] oxazaboraza [6, 5-g] isoquinoline-4, 6-diketone, and the structural formula of the fluorescent probe for hypochlorous acid detection is as shown in the following formula I. The invention further discloses a preparation method of the fluorescent probe for hypochlorous acid detection. According to the fluorescent probe for hypochlorous acid detection, N-butyl-3-aldehyde-4-hydroxy-1, 8-naphthalimide and (E)-2-butyl-6-hydroxy-5-(((4-(methylthio) phenyl) imino) methyl)-1H-benzo [de] isoquinoline-1, 3 (2H)-diketone are used as raw materials, and the fluorescent probe can be used for detecting hypochlorous acid. Compared with the prior art, the fluorescent probe for hypochlorous acid detection is simple and convenient in synthesis method, simple and easily available in raw materials, good in hypochlorous acid selectivity, relatively high in sensitivity and large in Stokes shift, and has a very good application prospect in hypochlorous acid detection.

The invention provides a device and a method for purifying culture circulating water in a higher-place pond, and the method specifically comprises the following steps: the culture circulating water and residual feed and excrement in the higher-place pond flow out from a sewage draining exit at the center of the pond bottom, and gradually flow into a self-settling filter well through a water inlet at the bottom of the well; aquaculture circulating water is filtered by an immersion filtering device in the well and overflows out of the well, and residual feed and excrement settle to the bottom of the well and then are discharged through a shrimp shell excrement drain outlet; the breeding circulating water overflowing out of the well flows through a hypochlorous acid oxidation device to be disinfected; the culture circulating water treated by the hypochlorous acid oxidation device flows into an aeration dechlorination tank to remove harmful gas; the culture circulating water treated by the aeration dechlorination tank flows into the ecological tank, so that the contents of carbon, nitrogen, phosphorus and the like in the water are reduced; and the culture circulating water treated by the ecological pond is pumped into the higher-place pond through a reflux pump. The system is efficient, energy-saving, small in occupied area, high in automation degree and capable of improving the water quality management efficiency and stability of higher-place pond culture circulating water.

The utility model discloses a hypochlorous acid liquid mixing detection device which comprises a raw material feeding device, a mixing cavity device, a communicating pipeline and a detection cavity assembly, the raw material feeding device comprises a check valve, a straight joint I and a connecting pipe II, and one end of the check valve is fixedly connected with one end of the connecting pipe II. According to the utility model, the detection cavity assembly is independent of the mixing cavity and is connected with the mixing cavity through the slender communicating pipeline, so that a mixed solution can stably and slowly flow into the detection cavity, and the physical isolation of a mixing area and a detection area is realized; the direct impact of turbulent flow, bubbles or concentration fluctuation generated in the mixing process on the detection sensor is effectively avoided, the inlet and the outlet of the detection cavity are both designed to be thin and narrow channels and are located on the upper portion, the standing time of a solution in the detection cavity is prolonged, it is ensured that the detection cavity can be fully and stably filled with the solution, and the detection efficiency is improved. And a stable detection environment is provided for the sensor.

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.

The utility model relates to the technical field of integrated hypochlorous acid generators, and discloses an integrated hypochlorous acid generator capable of quickly adjusting pH value, which comprises a production tank support frame, the top surface of the production tank support frame is fixedly connected with a top cover plate, one side of the production tank support frame is internally provided with a salting cleaning assembly, and the other side of the production tank support frame is internally provided with a top cover plate. The bottom of the production tank body supporting frame is provided with a salting discharging assembly, the top surface of the production tank body supporting frame is fixedly connected with an internal adjusting box, the side surface and the bottom surface of the internal adjusting box are provided with PH detection assemblies, and the inner side of the internal adjusting box is provided with a PH adjusting assembly. The salinization cleaning assembly can efficiently clean residual salinization, and interference to production is avoided; the pH detection component and the adjusting component work cooperatively, so that the pH value of hypochlorous acid can be adjusted quickly and accurately, and various scene requirements are met; and the salting discharging assembly is convenient to operate, salting is convenient to discharge, and the equipment performance and the use convenience are integrally improved.

This invention provides a technology to suppress the reduction of the aqueous solution in the electrolytic cell due to evaporation, even when electrolysis is repeatedly performed in a miniaturized air purification device. [Solution] The electrolytic cell 30 stores a first aqueous solution L1 and generates hypochlorous acid from the first aqueous solution L1. The metal ion supply tank 20 stores a second aqueous solution L2 and supplies chloride ions contained in the second aqueous solution to the first aqueous solution L1. The first air passage 60 connects the internal space 12 on the chloride ion supply tank side and the internal space 35 on the electrolytic cell side. The water recovery unit 36 ​​recovers moisture contained in the air flowing from the electrolytic cell 30 as liquid and returns it to the electrolytic cell 30. The space purification device 1 performs a purification operation in which air introduced from the external space R flows through the electrolytic cell 30 and is released into the external space R together with hypochlorous acid. During the purification operation, gas generated in the metal ion supply tank 20 flows through the first air passage 60 and the electrolytic cell 30 and is released into the external space R together with the air.

The invention belongs to the technical field of pollutant treatment, and particularly relates to a Cu < 2 + >-mediated method for degrading neonicotinoid pollutants in a water body, which comprises the following steps: S1, adjusting the initial pH value of the water body containing the neonicotinoid pollutants to 6.0-9.0; s2, adding bivalent copper ions Cu < 2 + > and hypochlorous acid HOCl into the water body, and reacting for 12-48 hours; the concentration of bivalent copper ions Cu < 2 + > is not higher than 1mg / L, and the concentration of hypochlorous acid HOCl is not higher than 10mg Cl2 / L. Compared with the prior art, the induction mechanism of Cu < 2 + > on free radical oxidation of the neonicotinoid pollutants is clarified, the degradation speed and the total degradation rate of the neonicotinoid pollutants are improved by utilizing Cu < 2 + >, the degradation rate of the neonicotinoid pollutants after 6 hours exceeds 60%, and the degradation rate of the neonicotinoid pollutants after 36 hours can reach 99%.

This invention discloses a naphthimide-based fluorescent probe for detecting HClO and its preparation method. The fluorescent molecular probe uses naphthimide as the fluorophore and C=N as the specific reaction site for HClO. Due to the presence of the naphthimide fluorophore, the probe molecule exhibits two-photon properties, enabling deep tissue penetration, reducing background noise, and facilitating fluorescence imaging of biological systems. Furthermore, the introduced morpholine group allows for lysosomal targeting, enabling the monitoring of hypochlorous acid concentration levels in lysosomes, making it a valuable tool for early disease diagnosis. In addition, this type of probe molecule is simple to synthesize, operates under mild reaction conditions, exhibits stable optical properties, and has a high synthesis yield. It can detect a wide range of HClO, making it practically valuable in fields such as biochemistry and environmental science.

The invention belongs to the technical field of fluorescent probes and biological detection, and particularly relates to a hypochlorous acid response type near-infrared fluorescent probe for screening Alzheimer's disease antioxidants as well as a preparation method and application of the hypochlorous acid response type near-infrared fluorescent probe. The near-infrared fluorescent probe FP-MT-HClO provided by the invention is subjected to a specific reaction under the action of HClO, generates obvious fluorescence signal enhancement, outputs near-infrared fluorescence signals at about 665 nm, and has the characteristics of quick response, high sensitivity, good selectivity, strong anti-interference capability and the like. An in-vitro screening model used for simulating an inflammatory oxidative stress link related to the Alzheimer's disease is constructed based on the probe, and rapid screening and activity evaluation of candidate antioxidants capable of reducing the HClO level in cells are achieved. The method disclosed by the invention is good in repeatability, is suitable for in-vitro screening of candidates related to inflammatory oxidative stress, and can be used for early evaluation and mechanism research of an oxidative stress process related to Alzheimer's disease.

The invention relates to an impurity removal method of a chlorine dioxide vertical generator, which comprises the following steps: adding first pure water and a sodium hypochlorite solution into the chlorine dioxide vertical generator, continuously boiling under a vacuum condition, cooling and discharging liquid; washing with second pure water and discharging liquid; the boiling temperature is lower than 80 DEG C. Different from the prior art, the technical scheme provides a mode for efficiently removing impurities in a mode that the sodium hypochlorite solution is boiled at the temperature lower than 80 DEG C, the boiling temperature in the mode is lower than the efficient decomposition temperature 80 DEG C of hypochlorite, the hypochlorite is high in stability, the decomposition amount is small although the hypochlorite is boiled, and therefore the impurity removing efficiency is higher; the chlorine dioxide vertical generator impurity removal device has the advantages of simple and effective impurity removal of the chlorine dioxide vertical generator, no residue, reduction of the decomposition of chlorine dioxide, and improvement of the production efficiency and the production safety.

The application discloses a kind of distinguishable detection hydrazine and hypochlorite organic small molecule compound and its preparation method and application.By diketopyrrolopyrazole and nitrogen-containing aromatic primary amine condensation reaction, coordination with BF3.Et2O obtains the PzDP-PPAB compound with electronic push-pull effect, and its maximum absorption peak and emission peak are located in near infrared region.PzDP-PPAB and hydrazine and hypochlorite carry out irreversible chemical reaction in organic solvent, and the distinguishable detection of two kinds of substances can be realized, the detection limit of hydrazine is 0.04 μmol / L, and the detection limit of hypochlorite is 0.059 μmol / L, with simple operation, reaction sensitivity, naked eye detection and the like.

The application relates to the technical field of organic fluorescent probes, and particularly discloses a lipid droplet and hypochlorous acid sequence response type fluorescent probe, a structural formula of which is as shown in the figure; wherein R is a cyano group, a benzothiazole group, a benzimidazole group, an amido group, an ethoxycarbonyl group or an acetyl group. The precise imaging lipid droplet and hypochlorous acid sequence response fluorescent probe of the application takes a phenothiazine-coumarin dye support as a matrix, utilizes a double trifluoromethyl benzyl group as a lipid droplet targeting group, adjusts the dye emission wavelength by introducing different electron-withdrawing groups, synthesizes a series of probes, and realizes high-targeting sequence imaging of lipid droplets and hypochlorous acid in atherosclerotic plaques.

This technology provides a way to suppress the release of high-concentration hypochlorous acid gas even when the airflow from a space purification device recovers to the expected level after a decrease in airflow. [Solution] The electrolytic cell 30 stores a first aqueous solution L1 containing chloride ions and generates hypochlorous acid by non-diaphragm electrolysis of the first aqueous solution L1. The chloride ion supply tank 10 stores a second aqueous solution L2 containing chloride ions and supplies chloride ions contained in the second aqueous solution L2 to the first aqueous solution L1 by permeating the anion exchange membrane 41 through diaphragm electrolysis. The airflow detection unit 39 detects the airflow of the air containing hypochlorous acid released from the electrolytic cell 30. The air purification device 1 performs a purification operation in which air introduced from the external space R flows through the electrolytic cell 30 and is released back into the external space R together with hypochlorous acid. When the airflow detected by the airflow detection unit 39 falls below the standard airflow, at least the diaphragm electrolysis is stopped from the non-diaphragm electrolysis and the diaphragm electrolysis.

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.

To provide a hypochlorous acid water generator capable of stabilizing the pH value of generated hypochlorous acid water.SOLUTION: The control unit 81 calculates a deviation between the pH value of the aqueous solution in the water storage tank 6 detected by the pH meter 7 and the target pH value, determines the amounts of the sodium hypochlorite aqueous solution to be supplied to the raw water flowing through the first conduit 12 and chlorine to be supplied to the raw water flowing through the second conduit 13 so as to bring the calculated deviation close to 0, and supplies the sodium hypochlorite aqueous solution and chlorine.SELECTED DRAWING: Figure 1

The utility model relates to the technical field of hypochlorous acid gel production, in particular to a stirring mechanism for anti-HPV (human papillomavirus) carbomer hypochlorous acid gel production, which comprises a mixing box, a top plate, a feeding pipe, a discharging pipe and a staged quantitative stirring component, the staged quantitative stirring component comprises an object placing plate, a weighing column, a spring and a storage box, the top plate is detachably connected with the mixing box, and the top plate is detachably connected with the storage box. The feeding pipe is detachably connected with the top plate and located on the upper portion of the interior of the top plate, the discharging pipe is detachably connected with the mixing box, the storage plate is fixedly connected with the feeding pipe, the weighing column is detachably connected with the storage plate, the spring is arranged on the outer surface of the weighing column, and the storage box is detachably connected with the weighing column. Therefore, on the premise that the stirring and mixing quality is guaranteed, the problems that when carbomer hypochlorous acid gel is produced, graded input cannot be carried out, various materials are prone to being left in a pipeline of the feeding port at the same time, and the production quality is affected are effectively solved.

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 provides a slightly acidic hypochlorous acid electrolysis method and device, a method for improving the stability of electrolytic hypochlorous acid water, and a purification electrolysis method for improving the pH value of existing electrolytic acidic oxidized water to be slightly acidic. The electrolysis method and device adopt an existing two-layer electrode sheet electrolytic cell, and the hydrochloric acid is separated from the acid water between the electrodes to be the original acid water on the upper end of the panel between the positive electrode and the panel, and the outlet of the alkali water is slightly lower than the outlet of the electrolytic unit. The acid water conduit is connected to a plurality of units to form a combined parallel electrolytic cell. The interval surface (bottom) plate is the panel of the next layer unit and the bottom plate of the previous layer unit. The flow switches are arranged in the outlet pipes of the hypochlorous acid flow guide original acid water, the new hydrochloric acid outlet and the original alkali water outlet, and the flow ratio between them is adjusted to indirectly adjust the pH value of the electrolytic oxidized water. The slow electrolysis in series with the laminated electrolytic cell can improve the yield and stability. The degradation rate of the hypochlorous acid at room temperature is less than 10% in 3-6 months, and the stability agent is added to extend to 12 months.

The invention belongs to the technical field of chemical analysis and detection, and provides a bimodal fluorescent probe and a preparation method and application thereof in hypochlorous acid detection, the chemical formula of the bimodal fluorescent probe is C68H44N2, and the preparation method comprises the following steps: weighing 2, 7-dibromo-9-fluorenone, 1-(4-phenylboronic acid pinacol ester)-1, 2, 4-triazole-1-one, 2, 4-triazole-1-one, 2, 4-triazole-1-one, 2, 4-triazole-1-one, 2, 4-triazole-1-one, 2, 4-triazole-1 The preparation method comprises the following steps: putting 1, 1, 2-triphenylethylene, a tetra (triphenylphosphine) palladium catalyst and potassium carbonate into a three-neck flask; sequentially injecting methylbenzene, absolute ethyl alcohol and water; carrying out heating reflux reaction, cooling to room temperature, carrying out extraction separation by using dichloromethane, collecting an organic phase, drying, carrying out rotary evaporation concentration to obtain a crude product, and purifying to obtain TPEO; dissolving TPEO and malononitrile in anhydrous dimethyl sulfoxide under the protection of argon, heating and stirring to react, cooling to room temperature, carrying out suction filtration, and washing the precipitate; the bimodal fluorescent probe can be applied to detection of hypochlorous acid, and has the advantages of specific selectivity, high sensitivity, wide detection concentration, high accuracy and the like.

The utility model relates to the technical field of hypochlorous acid disinfectant, in particular to a hypochlorous acid disinfectant mixing device which comprises a body, a driving motor and a rotating shaft, the driving motor for driving the rotating shaft is fixedly mounted at the top of the body, and the rotating shaft is rotatably mounted in the body. A plurality of long stirring rods and short stirring rods with different lengths are fixedly mounted on the surface of the rotating shaft in the axial direction, outer spiral blades are fixedly mounted at the ends of the long stirring rods, inner spiral blades are fixedly mounted at the ends of the short stirring rods, and a cavity is formed in the rotating shaft; output flow channels communicated with the cavity are formed in the long stirring rod and the short stirring rod, and flow outlets are formed in the end parts of the long stirring rod and the short stirring rod; the problem that an existing hypochlorous acid disinfectant is poor in disinfection performance due to uneven mixing is solved.

The invention discloses a flavonol-based fluorescent probe for continuously detecting hydrogen sulfide and hypochlorous acid as well as a preparation method and application of the flavonol-based fluorescent probe. The flavonol-based fluorescent probe is 3-(2, 4-dinitrophenoxy)-7-(4-(diphenylamino) phenyl)-2-(4-(thiomorpholinophenyl) chromone, and the structural formula of the flavonol-based fluorescent probe is shown in the specification. According to the invention, 7-(4-(diphenylamino) phenyl)-3-hydroxy-2-(4-thiomorpholinophenyl) chromone is used as an initial raw material, and the 7-(4-(diphenylamino) phenyl)-3-hydroxy-2-(4-thiomorpholinophenyl) chromone and 2, 4-dinitrofluorobenzene are subjected to nucleophilic substitution reaction to obtain the compound 3-(2, 4-dinitrophenoxy)-7-(4-(diphenylamino) phenyl)-2-(4-(thiomorpholinophenyl) chromone. The compound is firstly subjected to selective thiolysis reaction under the action of hydrogen sulfide, the fluorescence color of a solution of the compound is changed from colorless to bright orange under the irradiation of ultraviolet light with the wavelength of 365 nm, then hypochlorous acid is continuously added into the solution, and the compound can be further subjected to specific oxidation reaction with the hypochlorous acid, so that the compound can be obtained. And the fluorescence color of the solution is changed from bright orange to bright cyan. Therefore, the compound can be used as a fluorescent probe for continuously detecting hydrogen sulfide and hypochlorous acid, has the advantages of low detection limit, high response speed, good light stability, wide pH application range and the like, and shows a good application prospect.

The utility model provides a concentration-adjustable hypochlorous acid water generator, and belongs to the technical field of hypochlorous acid water generation. The hypochlorous acid water generator capable of adjusting the concentration comprises a preparation structure and a stirring assembly, the preparation structure comprises a box body, an electrolysis assembly, a dilution assembly and three mixing boxes, the electrolysis assembly is arranged in the box body, the dilution assembly is arranged in the box body, the three mixing boxes are fixedly connected in the box body, and the stirring assembly is arranged in the box body. The electrolysis assembly and the dilution assembly are both communicated with the three mixing boxes, the stirring assembly comprises a driving assembly, a first bevel gear, a first rotating shaft and a stirring rod, and the driving assembly is arranged in the box body. According to the hypochlorous acid water generator with the adjustable concentration, the hypochlorous acid water generator with the adjustable concentration can conveniently prepare hypochlorous acid water with three different concentrations, the working efficiency is improved, meanwhile, dilution water and the hypochlorous acid water are conveniently mixed in time, and the preparation efficiency is improved.

This invention provides a swimming pool water circulation and treatment system, including an inlet, an outlet, a wastewater outlet, an ultraviolet disinfection module, a diaphragm electrolysis module, and a drainage and venting system. The drainage and venting system includes an electrolytic wastewater discharge pipe and a first venting pipe. The diaphragm electrolysis module is divided into an anode area and a cathode area by a diaphragm, which is permeable to water and can block hydroxide ions. Swimming pool water flows into the swimming pool water circulation and treatment system from the inlet, flows through the ultraviolet disinfection module and the anode area within the diaphragm electrolysis module, and flows back to the swimming pool from the outlet. The bottom of the cathode area is connected to the electrolytic wastewater discharge pipe, which connects to a wastewater tank. The top of the cathode area is connected to the first venting pipe, which connects to the swimming pool. The swimming pool water circulation and treatment system provided by this invention utilizes ultraviolet light and hypochlorous acid to disinfect the swimming pool water, and uses a diaphragm to isolate hydroxide ions, inhibiting the increase of the pH value of the swimming pool water, thus achieving high swimming pool water treatment efficiency.

A concentration determining element that can easily determine the concentration of hypochlorous acid in a test liquid, a method for manufacturing the concentration determining element, and a method for determining the concentration of hypochlorous acid are provided. [Solution] The concentration determining member of the present invention is a concentration determining member comprising a measurement substrate and a colored pattern provided on the surface of the measurement substrate, and is characterized in that the colored pattern contains an organic coating having a cationic group and an anionic dye.

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.