132 results about "Hydroxyl radical" 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.

The application discloses an electro-catalytic oxidation system and method and an ecological joint treatment method for in-situ remediation of water body sediments, which utilizes an intelligent pulse power controller to perform intermittent pulse electro-catalytic oxidation on the bottom mud at the water bottom, generates hydroxyl radicals through in-situ catalysis of an anode to degrade organic pollutants of the bottom mud, generates micro-bubbles in the interstices of the bottom mud through the electrolysis of water to improve the oxidation-reduction potential, and further reserves time for the soluble pollutants in the interstitial water of the bottom mud to sufficiently diffuse to the surface of the electrode, so as to avoid energy waste caused by concentration polarization. Through reverse power supply, the polarity of the anode and the cathode is instantaneously reversed, trace amounts of acidic substances and gas generated through in-situ electrolysis are utilized to strip off the calcium and magnesium scale attached to the surface of the cathode, and manual cleaning and maintenance under water are realized. In combination with the planting of submerged plants on the treated bottom mud, ecological joint treatment is realized, the root system of the submerged plants is utilized to perform long-term ecological fixation and water purification on the treated sediments.

The application discloses a sludge directional hydroxyl radical wall-breaking drying and deodorization method and system, and belongs to the technical field of sludge harmless and resourceful treatment. The application generates hydroxyl radicals in-situ in a sludge system by nano-catalytic coupling with a weak electric field, and makes the hydroxyl radicals preferentially act on microbial cell walls and malodorous substances by precisely controlling the concentration of the hydroxyl radicals, the reaction time and the pH of the system, so that cell wall breaking, water releasing, dehydration drying and source deodorization are realized. Meanwhile, the deep oxidation and mineralization of macromolecular organic matter are inhibited, and the organic carbon source and nutrient components are maximally reserved. The moisture content of the treated sludge is significantly reduced, the sludge is odorless, the organic matter retention rate is greater than or equal to 85%, and the sludge can be directly connected with anaerobic digestion, aerobic fermentation composting or land improvement utilization. The application has the characteristics of fast treatment speed, low energy consumption, no secondary pollution and strong resource connection, solves the problems of long cycle of traditional processes, malodorous emission and organic matter loss caused by excessive oxidation, and is suitable for efficient pretreatment of high-organic sludge such as municipal sludge and food sludge.

The application provides a preparation method of a positive electrode additive, comprising the following steps: mixing a fatty amine, an organic carboxylic acid and 5,5-dimethyl-1-pyrroline N-oxide, and performing a hydrothermal reaction to obtain a mixed solution; filtering and freeze-drying the mixed solution to obtain the positive electrode additive; wherein the molar ratio of 5,5-dimethyl-1-pyrroline N-oxide to the fatty amine is <0.8:1, and the molar ratio of 5,5-dimethyl-1-pyrroline N-oxide to the organic carboxylic acid is <0.8:1. The preparation method provided by the application can capture oxygen free radicals in the battery cycle process by introducing 5,5-dimethyl-1-pyrroline N-oxide (DMPO), so as to inhibit the gas production of the battery cell, and can also capture hydroxyl radicals in the battery cycle process, so as to avoid the performance degradation of the battery cell caused by the generation of water. The positive electrode additive can be added to the positive electrode sheet, so that the positive electrode sheet has excellent energy density and cycle performance.

The present application provides a kind of microbubble electrode structure, the microbubble electrode structure is used to electrolysis water generates microbubble, the microbubble electrode structure includes anode and cathode, one pole of anode, cathode is first electrode, the other pole of anode, cathode is second electrode, insulation structure is arranged between the first electrode, second electrode, the second electrode is wound on the first electrode by insulation structure.Compared with the prior art, the microbubble electrode structure of the present application, the second electrode is wound on the first electrode by the insulation structure, so that the first electrode is completely wrapped in the second electrode, on the one hand, the utilization rate and electrolysis efficiency of anode and cathode are improved, on the other hand, the cathode generates more micro-nano bubbles, and the cleaning effect is generated by physical agitation;It also makes the anode generate more active species such as hydroxyl radical, plays a sterilization and bleaching effect.

This invention relates to the fields of brachytherapy and radiosensitization, specifically providing a... 125 I-nano implantable particles, their preparation methods, and applications. 125 The 1-nanometer implanted particles have a core-shell structure, consisting of a particle core and particles adsorbed on the outer surface of the particle core. 125 I and the particles encapsulated in the nucleus and 125 The outer shell of the I-type photosensitizer is a covalent organic framework. This invention... 125 The core of the I-nanometer implanted particle is used to enhance the energy deposition of gamma rays and X-rays, generating more hydroxyl radicals; the shell containing a type I photosensitizer is used to absorb the energy of Auger electrons and internal conversion electrons and excite the photosensitizer to generate singlet oxygen, effectively improving the response to... 125 The efficiency of I decay energy utilization. 125 I-nano implanted particles, combined with internal radiation therapy and radiodynamic therapy, destroy tumor cell DNA and cell membranes, enhance tumor killing and induce immunogenic cell death, thereby activating anti-tumor immunity and inducing remote effects.

The utility model discloses an integration hydroxyl radical disinfection generator, specifically related to sewage treatment technical field, including box, the side hinged setting of box door has of box, the top fixed setting of box has fixed handle, the inside setting of box has replacement mechanism, and replacement mechanism includes two installation frame fixed setting in the inside of box, and the surface of two installation frames all has seted up a plurality of installation grooves, and the inside of a plurality of installation grooves all has inserted and connected to set up electrode plate, and the inside of installation groove has inserted and connected to set up the baffle, and the side fixed setting of baffle has the fender, and the surface of installation frame has seted up a plurality of sliding slot, and the inside of a plurality of sliding slots all slide and set up T shaped sliding block, and the side fixed setting of T shaped sliding block all has fixed frame, and installation frame and T shaped sliding block are connected through bolt. The utility model discloses electrode plate installation and removal convenient, is favorable to the routine maintenance of equipment and the replacement of electrode plate, and moreover guarantees the unobstructed of water circulation system.

The present application belongs to the technical field of application of fungal polysaccharides, and particularly relates to a Boletus edulis fruiting body polysaccharide as well as a preparation method and application thereof. Polysaccharides in Boletus edulis fruiting bodies are extracted, and the chemical structure of BDP-F is characterized by ultraviolet-visible light, Fourier transform infrared spectroscopy, one-dimensional nuclear magnetic resonance and two-dimensional nuclear magnetic resonance. The research results show that BDP-F is mainly composed of mannose, glucose, galactose and fucose. Methylation and nuclear magnetic resonance analysis show that the glycosidic bond of BDP-F is (1→6)-alpha-d-galactose, the main chain is composed of ->6)-alpha-d-galp-(1→ residues, and the O-2 position is branched by alpha-L-Fucp-(1→ and alpha-D-Manp-(1→ residues. Through DPPH free radical, hydroxyl radical and superoxide anion radical scavenging experiments, it is shown that BDP-F has the ability to serve as a natural antioxidant, and BDP-F can also reduce alcohol-induced GES-1 cell damage through antioxidant and anti-inflammatory effects within the experimental concentration range.

This invention discloses a Bio-Fenton-driven in-situ polyacrylamide injection fluid depolymerization composition, its preparation method, and its application. The composition comprises an oxidoreductase, reducing sugar, and a transition metal ion source. In use, the composition is added to the injection fluid. The oxidoreductase catalyzes the in-situ oxidation of the reducing sugar to generate hydrogen peroxide, and the transition metal ions from the transition metal ion source mediate a Bio-Fenton reaction, generating highly reactive hydroxyl radicals that attack the polyacrylamide backbone, causing it to break and depolymerize. The final depolymerization viscosity can be reduced to below 5 mPa·s. The composition of this invention works effectively within the temperature range of 45–90°C and pH range of 4.0–10.0. The depolymerization process is stable and controllable. All components and degradation products are non-toxic and biodegradable. All components are in solid form, making storage and transportation safe and convenient.

This invention discloses a Yb-BiOI / Ce-MgAl-LDH composite photocatalyst, its preparation method, and its application, belonging to the field of environmental functional materials and photocatalysis technology. The purpose of this invention is to provide a Yb-BiOI / Ce-MgAl-LDH composite photocatalyst with high catalytic activity, good stability, and reusability, its preparation method, and its application in the efficient degradation of tetracycline antibiotics. This invention prepares a Yb-BiOI / Ce-MgAl-LDH heterojunction composite catalyst with a three-dimensional flower-like interwoven morphology via a hydrothermal method. Under visible light and H2O2 coexistence conditions, this catalyst not only promotes photogenerated carriers (e-carriers) through the built-in electric field at the heterojunction interface, but also… ‑ / h + Effective separation of Ce, while utilizing Ce 3+ / Ce 4+ Redox pairs with Yb 3+ Doping-induced active sites synergistically catalyze the decomposition of H2O2, continuously generating high concentrations of hydroxyl radicals (·OH); photogenerated electrons can accelerate the valence state cycle of rare earth ions, while Fenton-like reactions promote charge separation. The deep coupling of the two produces a significant synergistic enhancement effect, achieving rapid and deep degradation of antibiotics.

The present utility model relates to a sustainable, solar-powered facility for the treatment of medical waste and its conversion into pavement bricks. The facility comprises a medical waste input module, a size-reduction assembly including a double-shaft crusher and granulator, an underground transfer tank, sanitation tanks equipped with an Advanced Oxidation Process (AOP) system, a trommel-based separation system, a cement mixer, a screw conveyor, a hydraulic pavement brick making machine, and an underground water storage tank. In operation, medical waste undergoes size reduction and is transferred to the sanitation tanks, wherein the AOP system generates hydroxyl radicals to disinfect and oxidize contaminants. The treated waste is then separated into liquid and solid fractions, with the liquid component directed to the water storage tank for treatment and recycling, and the solid component blended with cementitious materials and formed into pavement bricks using the hydraulic machine. The facility is powered by a hybrid solar energy system configured to support continuous operation, including in off-grid or limitedaccess areas. The utility model provides an integrated solution for safe medical waste treatment and resource recovery.

A method for producing green ammonia using a microdroplet reaction based on water and nitrogen gas, and a confinement catalyst reaction at the gas-liquid interface, comprises the steps of: mixing water with a modifier selected from nanomaterials, conductive polymers, and inorganic salts to obtain an aqueous solution; and supplying the aqueous solution to a microdroplet generator to produce microdroplets with a size of 10 μm or less. The strong electric field of the electric double layer at the gas-liquid interface of the microdroplets is utilized to spontaneously generate hydrogen radicals and hydroxyl radicals. Under a nitrogen gas atmosphere, a large amount of hydrogen radicals and nitrogen gas in the gas phase undergo a radical chain reaction at the gas-liquid interface to produce ammonia, and hydroxyl radicals combine to produce hydrogen peroxide. This method is simple, environmentally friendly, not limited by catalysts, and can meet the requirements of different production processes simply by providing modifiers with excellent electronic conductivity. It helps meet environmental protection requirements and the strategic needs of hydrogen energy storage in the context of "dual carbon."

This utility model provides a gas-liquid separation device for waste gas treatment in the hazardous waste industry, belonging to the technical field of [missing information]. It includes a roller shutter filter, an absorption tower, a UV photolysis / photocatalytic decomposition device, an activated carbon adsorption / catalytic combustion device, an induced draft fan, and an exhaust stack. A demisting separation device is connected between the absorption tower and the UV photolysis / photocatalytic decomposition device. The demisting separation device includes multiple demisting components within a housing. Each demisting component includes an annular mounting frame and a support frame, and a wire mesh structure is provided between every two adjacent support frames. This utility model enables the treatment of gas-liquid entrainment after the waste gas passes through the absorption tower, effectively separating most of the mist from the exhaust gas, reducing the impact of high-concentration water mist on the performance and lifespan of activated carbon, and maintaining appropriate humidity for UV photolysis and photocatalytic decomposition. This has a positive effect on stimulating active oxygen and hydroxyl free radicals, and rapidly completing oxidation and deodorization.

The application provides a conjugate based on hydroxyl radical ultrasonic response and application, having a structure shown in formula I or a salt thereof; the research is started from a reactive substance such as a hydroxyl radical generated by the cavitation effect of ultrasonic, and a plurality of meta-disubstituted benzyl alcohol ultrasonic response structures are designed and screened. After the conjugate is formed by covalent bond between the structure and a to-be-masked molecule such as a drug or a fluorescent contrast molecule, the active groups of the to-be-masked molecule can be masked, and the activity of the to-be-masked molecule can be inhibited, and a molecule obtained is called a prodrug, the prodrug can be a small molecule, and can also be used for a polymer drug loading system. The prodrug can capture the hydroxyl radical generated by the cavitation effect of ultrasonic under the condition of no ultrasound sensitizer, and release the target molecule by elimination reaction. Through experimental screening, it is found that the meta-benzene diether structure is the best ultrasonic response group.

The application discloses a kind of dual-wavelength ultraviolet light synergistic ozone micro-nano bubble treatment methyl orange wastewater method, belong to wastewater treatment technical field.The method is first to the micro-nano bubble generator is carried out organic solvent ultrasonic cleaning, deionized water flushing and drying pretreatment, then preparation ozone micro-nano bubble water, finally under the condition of stirring ozone micro-nano bubble water is mixed with methyl orange solution, through UV-222 and UV-254 dual-wavelength ultraviolet lamp irradiation realizes methyl orange degradation.The application combines the synergistic effect of ozone micro-nano bubble and dual-wavelength ultraviolet light, strengthens hydroxyl radical generation and organic matter photolysis, improves methyl orange decolorization and mineralization efficiency, can also photolyze debromination to avoid bromate byproduct, whole process does not need to add reagent, no sludge is generated, equipment system is simple and easy to control, applicable to the treatment of methyl orange azo dye wastewater, with good engineering application value.

The application relates to the technical field of sewage treatment, and discloses an energy-saving and environment-friendly multiple sewage treatment device and a use method, which comprise a processor and two baffles installed on the processor, the two baffles divide the interior of the processor into a mixing zone, a reaction zone and a sedimentation zone, a plurality of groups of reaction tubes are installed between the two baffles and are communicated with the mixing zone and the sedimentation zone at two ends. 3+ The moving catalyst enrichment zone formed by the ferromagnetic fluid driven by the traveling wave magnetic field, the pulse magnetic field and Fe 2+ / Fe 2+ circulation generates a large number of hydroxyl radicals, an auxiliary electric field supplements H2O2 and Fe in situ, and the three cooperate to continuously and efficiently generate ·OH, so that organic pollutants can be quickly mineralized, chemical oxygen demand can be significantly reduced, toxic and harmful organic matters can be degraded, and chroma can be eliminated.

The application discloses a waveguide device structure manufacturing method and a waveguide device structure, and relates to the technical field of waveguide device structures. The method comprises the following steps: forming a waveguide layer and a hard mask on a substrate; etching the waveguide layer through the hard mask to form a ridge-shaped waveguide pattern; using a first fluorine-containing free radical, a first nitrogen-containing free radical and a first oxygen-containing free radical to perform first processing on a first sidewall of the ridge-shaped waveguide pattern with the hard mask to remove a first protruding part; using a second nitrogen-containing free radical and a second oxygen-containing free radical to perform second processing on the first sidewall to perform surface passivation protection; the first processing and the second processing are alternately cycled for multiple times to reduce the surface roughness of the first sidewall; after the hard mask is removed, using a first hydrogen-containing free radical and a hydroxyl-containing free radical to perform third processing on the first sidewall to remove a second protruding part, and the surface roughness of the first sidewall is further reduced. The application can significantly improve the smoothness of the surface of the ridge-shaped waveguide pattern, thereby improving the key performance of the device.

This invention belongs to the technical field of organometallic luminescent materials and photosensitizers, specifically relating to a triphenylamine-containing heteropolymer luminescent iridium(III) complex capable of generating reactive oxygen species, its preparation method, and its applications. The iridium(III) complex has the structure shown in formula (I), [Ir(L1)2(L2)]PF6, where L1 is 1-(4-(diphenylamino)phenyl)isoquinoline and L2 is 2-[3-methyl-1-(4-(diphenylamino)phenyl)-1H-1,2,4-triazol-5-yl]pyridine. The complex can be prepared by first preparing a chlorobridged iridium dimer intermediate, then coordinating it with an auxiliary ligand and followed by anion exchange. This complex exhibits luminescent properties in both dilute solutions and solid states, and displays certain solvent-dependent luminescence behavior. Under LED white light irradiation, the complex can effectively generate reactive oxygen species (ROS). Detection using DCFH-DA, HPF, and DHR123 probes indicates that it possesses the ability to generate total ROS, hydroxyl radicals, and superoxide anion radicals. The complex can be used to prepare luminescent materials, ROS-generating materials, and photodynamic photosensitive materials.

This disclosure relates to the field of water treatment technology. One embodiment provides a multi-stage photocatalytic oxidation-ozone synergistic AOP equipment, comprising a main body having a pre-treatment chamber and a post-treatment chamber, the pre-treatment chamber having an inlet and the post-treatment chamber having an outlet; a catalytic reaction layer disposed within the main body, separating the pre-treatment chamber and the post-treatment chamber, allowing wastewater to sequentially pass through the pre-treatment chamber, the catalytic reaction layer, and the post-treatment chamber; a nano-titanium dioxide coating disposed on the inner walls of both the pre-treatment chamber and the post-treatment chamber; and a plurality of ultraviolet lamps arranged circumferentially within both the pre-treatment chamber and the post-treatment chamber. This technical solution solves the technical problems of low ozone utilization and insufficient hydroxyl radical concentration in existing UV / O3 oxidation equipment for water treatment.

The present invention relates to a system and method for treating air and water in refrigerated spaces using ozone-based disinfection. The system includes an electrolytic ozone generator configured to produce gaseous ozone from water and an air circulation subsystem to create an oxidizing airflow within a housing. The airflow is directed across a titanium dioxide-coated surface to reduce ozone concentration before reentry into the refrigerated space. A controller manages disinfection and purification modes, enabling safe air treatment in environments such as ice machines, walk-in refrigerators, and consumer appliances. In some embodiments, aqueous ozone is also routed to ice makers or water dispensers for waterline disinfection. Optional features include manganese dioxide treatment modules for hydroxyl radical generation, automated door locking during disinfection, and ozone sensors for safety compliance. The invention enables programmable, sensor-driven, and safe disinfection cycles without requiring external ozone emission, supporting food safety and occupant protection.

The application discloses a kind of alpha-lactalbumin multifunctional peptides with antioxidant, anticoagulant and tyrosinase inhibitory activity and application thereof, and belongs to the field of food, biopharmaceutical and cosmetic technology.The multifunctional peptide SEKLDQWLCEKL is screened, and the DPPH clearance rate and ABTS clearance rate of the multifunctional peptide SEKLDQWLCEKL are highest, which can reach 62.32% and 88.32% respectively, the clearance rate of hydroxyl radical is highest, which can reach 78.89%, PT and TT are respectively extended by 3.4 s and 4.7 s, and the inhibition rate of tyrosinase is highest, which can reach 89.07%, which overcomes the limitation of existing single functional peptide in application.

The application discloses a fermented Lactobacillus mui J0273, which is preserved in the Guangdong Microbial Culture Collection Center on March 28, 2024, and has a preservation number of GDMCC No: 64463; the fermented Lactobacillus mui J0273 provided by the application has antioxidant activity, can produce indole-3-methanol, and has good DPPH free radical clearance rate, hydroxyl radical clearance rate, high reducing power, Fe 2+ Chelating capacity, can enhance the antioxidant capacity of the host, regulate the host immune, protect the intestinal barrier, and relieve inflammation.

This invention discloses a method and apparatus for mineralizing paralyzing shellfish poisoning by hydroxyl radicals, relating to the field of marine ecological disaster prevention and control. The method involves: oxygen entering an oxygen plasma generator, being ionized and dissociated to generate oxygen-active particle gas, which is injected into a gas-liquid mixer to efficiently generate a •OH solution, and then injected into a liquid-liquid mixer where it is broken down into a large number of tiny droplets; eight sampling ports are evenly spaced after the liquid-liquid mixer to measure the TRO gradient after mixing and dilution; the large number of •OH droplets rapidly mineralize the paralyzing shellfish poisoning while simultaneously killing the toxin-producing dinoflagellates; detection is performed at the eight sampling ports to establish efficacy-time models for •OH mineralization of shellfish poisoning and •OH mineralization of algae, and to determine the threshold values; the acute and chronic toxicity of the shellfish poisoning control group C2 and the treatment group C3 are evaluated, as are the acute and chronic toxicity of the dinoflagellate control group D2 and the treatment group D3; this invention provides a complete solution from source control to end-of-life assessment.

This invention discloses coumarin Schiff base derivatives. These derivatives are based on coumarin, and a series of coumarin derivatives with Schiff base structures are introduced through a reaction. These compounds exhibit good antifungal activity against *Botrytis cinerea*, *Alternaria alternata*, *Fusarium oxysporum*, and *Alternaria alternata*, opening up new avenues for the control of various plant fungal diseases and possessing broad development potential and promising application prospects. Furthermore, in vitro antioxidant experiments on these Schiff base compounds showed that they exhibit excellent scavenging abilities against DPPH radicals, ABTS radicals, and hydroxyl radicals, with antioxidant performance comparable to the positive control ascorbic acid, demonstrating their potential as novel antioxidants.

The present application belongs to the field of biosensing technology and tumor marker instant detection, and particularly relates to a preparation method of a human epididymis protein 4 (HE4) biosensor based on electrochemical principle and detection application thereof. The present application constructs an "antibody-antigen-antibody" sandwich complex structure, realizes simple, accurate and efficient detection of serum HE4; the KB-PEI@AuNPs composite material is used as a base material, which can effectively fix antibody molecules and promote electron transmission of the electrode interface, and significantly improves the conductive performance of the sensor; by using the specific binding principle of antigen and antibody, the CoFeZn-MOF prepared by the present application has peroxidase-like activity as a nanoenzyme; when the electrode modified by the probe CoFeZn-MOF / Ab2 is detected, the nanoenzyme can catalyze H2O2 to decompose to generate active oxygen substances such as hydroxyl radicals; this redox process triggers electron transfer, thereby causing a change in the current signal, thereby exhibiting i-t rapid response characteristics, high sensitivity performance and a lower detection limit.

This invention belongs to the field of pharmaceutical chemistry technology, specifically relating to a near-infrared II luminescent iridium(III) complex photosensitizer, its preparation method, and its application. The near-infrared II luminescent iridium(III) complex photosensitizer disclosed in this invention generates singlet oxygen (…) under 550 nm illumination. 1 O2), hydroxyl radicals (•OH), superoxide anions (O2) •‑ We evaluated the antitumor activity of near-infrared luminescent iridium complexes using mouse breast cancer cells (4T1). Under unilluminated conditions, the near-infrared II luminescent iridium(III) complex photosensitizers showed no significant cytotoxicity to 4T1 cells, while under illumination, they exhibited good phototoxicity to 4T1 cells, with an IC50 value of [missing value]. 50 The concentration is 15.92 μM. We have invented a near-infrared II luminescent iridium(III) complex photosensitizer, which has excellent photoimmunodynamic therapeutic effects and will have important application prospects in the treatment of hypoxic tumors.

The application discloses a water-hydroxyl integrated sewage treatment device and a sewage treatment method, and the device comprises a flocculation tank, a purification reaction tank, a clean water tank and a slag outlet, a water inlet and a medicine inlet are arranged on one side of the flocculation tank, and a stirrer is further arranged on the upper portion of the flocculation tank; the purification reaction tank comprises an aeration pipe, a hydroxyl generator arranged on the wall of the purification reaction tank and a slag grabber; a slag outlet communicated with the slag outlet is arranged on one side of the slag grabber; a clean water tank is further arranged on the side close to the slag tank of the clean water tank, and a water outlet for discharging clean water is arranged on the clean water tank; the stirring rod of the stirrer extends into the flocculation tank; the purification reaction tank comprises an upper large-diameter tank, a lower small-diameter tank and a transition section arranged between the upper large-diameter tank and the lower small-diameter tank. The hydroxyl radicals generated by splitting water molecules can oxidize and degrade pollutants, at the same time, the micro-gas energy generated by the side reaction can take the suspended particles in the effluent to the water surface and remove the suspended particles through the slag grabber, and the micro-gas energy also has the sterilization and disinfection effect.

The application belongs to the technical field of sewage treatment equipment, and provides a hydroxyl radical generating device and an organic wastewater treatment system, the hydroxyl radical generating device comprises a machine body, the machine body has a reaction cavity, a rotor is rotationally arranged in the reaction cavity, the rotor comprises: a rotor main body, which is rotationally connected with the machine body, an installation opening is arranged on the outer side wall of the rotor main body; a catalyst carrier is arranged at the installation opening; and a locking assembly has a locking state and an unlocking state which are switched with each other; the hydroxyl radical generating device further comprises: a cleaning assembly, which comprises: a cleaning tank, a window is arranged on one side of the machine body, and the cleaning tank is arranged at the window; and an ultrasonic cleaner, which is arranged in the machine body; and a grabbing assembly, which is used for grabbing a target catalyst carrier and transferring the target catalyst carrier to a target position. The hydroxyl radical generating device and the organic wastewater treatment system provided by the application have a simple structure and can automatically clean the catalyst.