16results about How to "Strong oxidation ability" patented technology

The invention discloses a conjugated polymer film with electrical properties and tensile stability simultaneously improved, and a preparation method and application thereof, and belongs to the technical field of flexible electronic materials. The preparation method comprises the following steps: placing the conjugated polymer film in a solution formed by mixing an electrolyte and a dopant, and soaking for 30-60 seconds to complete ion exchange doping, thereby obtaining the conjugated polymer film with various carrier transport channels. The strategy of increasing the types of carrier transmission channels is adopted, and two main transmission channels of a crystal phase and an accumulation region are formed in the conjugated polymer film through an ion exchange doping method, so that the conjugated polymer film can maintain the electrical property at a high proportion under a stretching external field, and the electrical property of the conjugated polymer film is improved under the same stretching strain. And the tensile stability of the conductivity is far higher than that of a conjugated polymer film which only takes a crystal phase or an accumulation region as a carrier transmission channel.

The present application relates to a kind of fluorine-containing dihydronaphthalenone derivative and its preparation method and application, the fluorine-containing dihydronaphthalenone derivative obtained by visible light induced phosphine catalysis difluoroacetophenone derivative and the radical addition cyclization reaction of a variety of olefins in series compared with prior art, the preparation method of the present application has the advantages of high efficiency, short reaction time, high yield, mild condition etc., its structural motif is important in pharmaceutical and agrochemical products;The synthetic method for preparing fluorine-containing dihydronaphthalenone and its derivative of the present application is completely new, and the fluorine-containing dihydronaphthalenone compound synthesized is used in various organic synthesis reactions.

The present application relates to the technical field of domestic waste treatment, and provides a comprehensive treatment method for domestic waste landfill site, which respectively treats the waste pile and leachate of the waste landfill site, transports the water produced by the partial treatment of the leachate of the waste to an ultrafiltration system for self-cleaning of the ultrafiltration system, injects the water produced by the treatment of the leachate of the waste into the waste pile, and degrades the organic matter content in the pile by using the oxidizability of the water. The present application realizes the fast, energy-saving, secondary pollution-free and continuous and effective comprehensive treatment of the domestic waste landfill site.

The application provides a smelting method of molten steel with scrap steel in a separate ladle, which breaks through the limitation of the scrap steel adding amount in the traditional process through the operation of adding scrap steel in multiple batches in a main refining furnace and adding scrap steel in the main refining furnace and an auxiliary refining furnace after the separate ladle operation. The multiple batch operation of the main refining furnace and the arrangement of at least two furnace bodies provide more opportunities and space for the scrap steel adding; the separate ladle operation further increases the number of molten steel ladles, greatly increases the total amount of scrap steel, effectively improves the scrap steel utilization rate, and reduces the molten iron consumption.

The present application relates to a kind of automobile engine fuel injection nozzle steel and its manufacturing method, belong to automobile steel technical field, the chemical composition mass percentage of the automobile engine fuel injection nozzle steel is C:0.47~0.54%, Si:0.10~0.37%, Mn:0.55~0.85%, Cr:1.00~1.30%, P:≤0.020%, S:0.009~0.015%, Ni:≤0.10%, Mo:0.16~0.26%, Al:0.012~0.038%, N:0.0025~0.0065%, Ti:≤0.0020%, the balance is Fe and inevitable impurities.By converter-refining-vacuum degassing-continuous casting-water tank quenching-heating-rolling-rolling heat preservation-on-line cooling and other process steps, obtain a kind of automobile engine fuel injection nozzle steel, steel non-metallic inclusion A fine ≤20um, A fine long / width ≤8;A coarse ≤25um, A coarse long / width ≤5, steel TiN size ≤5um.Any pearlite structure volume size is 300-450um 3 , evenly distributed between ferrite structure.

The application discloses a catalyst, a preparation method thereof, and a process and equipment for synthesizing NS by oxidation. The activated carbon loaded composite catalyst claimed by the application comprises a main catalyst and an auxiliary catalyst, wherein the main catalyst is 2,4,6-trihydroxy pyrimidine, and the auxiliary catalyst is one or both of stannous oxide and palladium suboxide. In the application, the main catalyst and the auxiliary catalyst can be more adsorbed in the pore structure of activated carbon, and in the process of synthesizing rubber accelerator NS by oxidation, the reaction time of the reaction of synthesizing rubber accelerator NS by oxidation can be effectively shortened.

This invention discloses a system for purifying sodium pyrophosphate containing metallic impurities to produce disodium hydrogen phosphate, belonging to the field of waste treatment technology. The system includes a dissolving vessel equipped with a crude sodium pyrophosphate inlet pipe, a first water inlet pipe, and a first discharge pipe. The first discharge pipe is connected to a photocatalytic reaction device, which is connected to an electrochemical device. The electrochemical device is connected to a hydrolysis vessel via a reaction liquid outlet pipe. The hydrolysis vessel is equipped with a second water inlet pipe, a catalyst inlet pipe, and a second discharge pipe. The second discharge pipe is connected to a crystallizer, which is connected to a first filter, which is connected to an oven. This invention can obtain high-purity disodium hydrogen phosphate.

The invention discloses photocatalyst fluorescent ink, and relates to the technical field of ink. According to the invention, the self-made fluorescent agent is frozen into microspheres, and titanium dioxide is adsorbed on the surface of the self-made fluorescent agent by using plasma, electrostatic spraying and microwaves, so that the stability of the ink is improved; then, through low-temperature plasma assisted radio frequency magnetron sputtering, cerium oxide is coordinated and chelated on the surfaces of the titanium dioxide microspheres, so that the visible light activity of titanium dioxide is improved, and ink can be catalytically degraded under visible light; wherein the self-made fluorescent agent is prepared from veratrone, pyrenecarboxaldehyde and boron trifluoride, so that the ink can display patterns only under infrared wavelength irradiation, is not easy to decompose by illumination under long-time infrared irradiation, and has better light stability. The photocatalyst fluorescent ink prepared by the invention has the effects of good confidentiality, light stability and degradability.

This invention discloses a PSA aptamer sensor based on a screen-printed electrode, its preparation, and detection method. In this invention, a composite material of AuNPs and graphene aerogel is used to modify the surface of a screen-printed electrode. The aptamer is modified onto the sensor by forming gold-sulfur (Au-S) bonds with a thiol-modified DNA single-stranded aptamer. Excess gold active sites are blocked with MCH to construct the PSA aptamer sensor. A certain concentration of PSA and UA is selected and incubated with the sensor. The EIS test method is used to detect PSA by recording its impedance changes, and the detection limit of the sensor is obtained. Utilizing the advantages of large-scale mass production and low cost of screen printing technology, combined with the excellent physical and electrical properties of nanomaterials, an electrochemical sensor for the detection of prostate-specific antigen (PSA) is prepared, enabling convenient, efficient, and low-cost detection, providing a new approach for prostate cancer patients to be detected outside of hospitals and laboratories.

This invention belongs to the field of wastewater treatment technology, specifically a method for treating medical wastewater by synergistically removing new pollutants and pathogenic microorganisms. The method includes the following steps: S1, Pretreatment: Inorganic flocculants are added to the medical wastewater to promote the aggregation and sedimentation of suspended particles and colloids; S2, Oxidation Treatment: A composite agent is added to the pretreated medical wastewater while a direct current electric field is applied. The composite agent includes potassium persulfate, aminosulfonic acid, sodium chloride, sodium bromide, surfactant, pH buffer, composite corrosion inhibitor, anti-caking agent, and anhydrous sodium sulfate. After dissolving, the composite agent generates a strong oxidizing component that mineralizes and decomposes organic matter while killing pathogens; S3, Biochemical Treatment: The oxidized medical wastewater is then subjected to biochemical treatment to remove ammonia nitrogen and small molecule organic matter. This invention can effectively decompose various new pollutants and inactivate pathogenic microorganisms, thus improving the treatment effect.

The application discloses a kind of washing equipment sterilization assembly, washing equipment and its control method, washing equipment sterilization assembly includes: shell, inside formation contains cavity, water inlet and outlet are opened on shell;Electrolytic device is set in containing cavity, for electrolysis water solution in containing cavity;It further includes the chlorine slow-release device being set in containing cavity, for with the water in containing cavity contact, release chloride ion, form water solution for electrolysis device electrolysis.This application sets up chlorine slow-release device in containing cavity, when water is imported into containing cavity by water inlet, chlorine slow-release device can contact with the water in containing cavity, release chloride ion, electrolytic device electrolysis water solution containing chloride ion in containing cavity, produce hypochlorous acid, chlorine gas and other substances with strong oxidizing property, so that washing equipment sterilization assembly has stronger sterilization and disinfection effect;The washing equipment of the application is provided with sterilization assembly, and has better sterilization and disinfection effect;The control method of the washing equipment of the application can reasonably control sterilization intensity.

This invention discloses an aftertreatment assembly, a vehicle, and a vehicle control method, belonging to the field of vehicle technology. The aftertreatment assembly comprises a pre-stage SCR, an MOC, a DPF, a post-stage mixer, and a post-stage SCR, sequentially connected along the exhaust gas flow direction. That is, the aftertreatment assembly has two stages of SCR, thereby improving its ability to reduce nitrogen oxides and adapting to higher engine exhaust emissions, thus enhancing exhaust gas purification. Simultaneously, the ratio of platinum to palladium in the oxidation catalytic coating of the MOC is greater than 12:1, resulting in stronger oxidation capabilities for CO, NO, and HC in the exhaust gas. This not only provides more NO2 for DPF regeneration, thus improving DPF functionality, but also further enhances exhaust gas purification.

The application discloses a kind of hazardous waste chemical industrial wastewater zero discharge graded purification treatment equipment, including sequentially connected pretreatment mechanism, catalytic treatment mechanism, hierarchical precipitation separation mechanism, biological treatment mechanism and membrane separation mechanism;Pretreatment mechanism includes grid intercepting mechanism, grid intercepting mechanism includes grid intercepting containing shell, vertically extending grid support ring shell is fixed in grid intercepting containing shell, a plurality of inner and outer communication and vertically extending grid mounting slot are formed on the side wall of grid support ring shell, and filter grid is installed in grid mounting slot;The equipment can quickly and effectively remove solid particles, colloid and other suspended solids in hazardous waste chemical industrial wastewater, and the grid discharging mechanism can clean the filter grid in time, maintain the effective filtering capacity of the filter grid;Catalytic treatment mechanism can occur a series of oxidation reactions with organic pollutants in wastewater, and gradually decompose organic pollutants into carbon dioxide, water and other harmless inorganic substances.

The utility model discloses a bulk drug production organic wastewater treatment device, which belongs to the technical field of wastewater treatment, and comprises a filter box, a first treatment box and a second treatment box, a filter screen groove is arranged in the filter box, an iron-carbon reduction box, an oxidation box and a storage tank are arranged in the first treatment box, the storage tank is communicated with the oxidation box through a delivery pump, and the delivery pump is communicated with the oxidation box. A Fenton reaction tank and an activated carbon filter box are arranged in the second treatment box. According to the device, iron-carbon reduction, catalytic oxidation, activated carbon filtration and the like are effectively combined, so that the purification problem of organic wastewater produced by most raw material medicines is solved, the purification effect of the device on different types of organic wastewater is improved, and the purification effect is good; by arranging the ultrasonic vibration head, after the wastewater reaches the iron-carbon reduction box, micro-electrolysis battery reaction is carried out, and high-concentration organic matters in the wastewater can be efficiently removed after the reaction; by arranging the ozone dispenser, the oxidation capacity of solid ozone is higher, and the Fenton effect of the Fenton reaction tank is effectively improved.

This invention relates to the field of industrial wastewater treatment, and particularly to a comprehensive treatment method for organic solvent recovery wastewater, specifically toluene recovery wastewater. Before comprehensive treatment, the toluene recovery wastewater undergoes ozone catalytic oxidation pretreatment. This ozone catalytic oxidation pretreatment involves feeding the toluene recovery wastewater into an ozone jet tower for ozone catalytic oxidation pretreatment, controlling the ozone concentration to be 120~160 mg / Nm³. 3 The reaction temperature is 30-40℃; until the toluene concentration is <6mg / L; the effluent after ozone pretreatment undergoes subsequent comprehensive treatment. This invention combines physicochemical and biochemical treatment to achieve efficient pollutant degradation and reduced operating costs.

The manganese removal and water purification filter comprises an iron removal tank and a manganese removal tank, the top of the iron removal tank is connected with a raw water injection pipe, the upper portion of a tank body of the iron removal tank is connected with an ozone injection pipe, activated carbon particles are laid at the bottom of an inner cavity of the iron removal tank, and the iron removal tank is connected with the manganese removal tank through a communicating pipe. One end of the communicating pipe is connected with the lower portion of the iron removal tank body, the other end of the communicating pipe is connected with the top of the manganese removal tank, a first porous filter plate used for preventing activated carbon particles from entering the communicating pipe is arranged in the iron removal tank, a first water pump is installed on the communicating pipe, the upper portion of the manganese removal tank body is connected with an oxygen injection pipe, and manganese sand is laid at the bottom of an inner cavity of the manganese removal tank. A water outlet pipe is connected to the lower portion of the manganese removal tank body, a second porous filter plate used for preventing manganese sand from entering the water outlet pipe is arranged in the manganese removal tank, and a second water pump is installed on the water outlet pipe. Divalent iron in raw water is firstly removed to prevent the divalent iron from hindering oxidation of divalent manganese, so that the aim of improving the manganese removal effect of the water plant is fulfilled.