1077 results about "Ozone" patented technology

The invention provides a particulate matter and ozone source monitoring method and system based on a distributed sensor, and relates to the technical field of pollution treatment. According to the invention, sensor nodes with geographic perception capability are deployed in a monitoring area in a high-density manner, pollutant concentration and meteorological parameters are collected in real time, and data are uploaded to a cloud platform for preprocessing and dynamic calibration; a machine learning model is constructed based on the combined features of the pollutants and the meteorological factors, a driving relation is mined, and pollutant influence factors are extracted; further performing joint modeling on the influence factors and regional emission source data, identifying the coupling strength between pollutants and emission sources by adopting a classification or clustering method, and judging the categories of main sources; backward trajectory simulation, source fingerprint analysis and multi-source regression decomposition are combined to realize pollution path inversion and source contribution rate quantification; and finally, constructing a geographic information visualization platform, displaying a pollution thermodynamic diagram, a contribution change diagram and an evolution path diagram, and providing support for multi-source pollution traceability and scientific management and control.

The invention relates to the field of pollution source analysis, and discloses a formaldehyde pollution source analysis and ozone influence quantification method and system for coupling a receptor model and a box-type model, and the method comprises the steps: collecting the concentration of formaldehyde and other pollutants in urban atmosphere in real time through online monitoring equipment, and carrying out abnormal value marking and data standardization processing; performing source analysis on the processed data based on a positive definite factor matrix method to generate a pollution source contribution matrix; converting the source contribution matrix into a molecular concentration input file which can be recognized by the box-type model; embedding a free radical circulation mechanism into the box-type model, and executing photochemical simulation under different pollution source scenes; and generating a pollution source contribution heat map based on a simulation result, and outputting management and control suggestions through a deep learning model. The method has the following effects: by coupling the receptor model and the box type model, not only can different pollution sources of formaldehyde be determined, but also the influence of each pollution source on ozone generation through photochemical reaction can be analyzed.

The invention relates to the technical field of ozone precursor traceability, in particular to an ozone precursor collaborative traceability method and system based on a knowledge graph, and the method comprises the following steps: obtaining precursor concentration change, recognizing an abnormal path, extracting path characteristics, carrying out standardized scoring, adjusting graph connection strength, and analyzing sequence offset to obtain collaborative nodes. And screening origin nodes in combination with time sequence meteorology to generate an origin node list. According to the method, pollution response channels are identified through precursor node concentration changes and path connection relations, focusing of key paths is enhanced, paths are scored based on multi-dimensional indexes, connection attributes are dynamically adjusted in combination with monitoring period ozone response intensity, map structure updating is achieved, and concentration response sequence offset is analyzed; according to the method, nodes with co-evolution characteristics are screened, the stable relation identification capability is improved, the path reasonability is evaluated by combining a release time sequence and meteorological conditions, the initial source positioning accuracy is improved, and the response speed and the identification precision of precursor tracing are integrally enhanced.

The invention provides an atmospheric fine particulate matter and ozone optimization control method, and relates to the technical field of environmental control, and the method comprises the steps: collecting the mass concentration of PM2.5 and O3 of a target city, an emission reduction policy and precursor emission data of each pollution source; dividing the target city into a VOCs control area and a VOCs and NOx cooperative control area according to the ozone sensitivity; based on an EKMA curve, obtaining an optimal emission reduction proportion of a precursor of each control region; calculating the control potential of different pollution sources VOCs and NOx of the target city, and establishing an O3 concentration optimization control constraint equation set; calculating PM2.5 sensitivities of different areas of the target city to the receptor points, dividing the target city into a plurality of grade sensitive areas, and establishing a PM2.5 optimization control constraint equation set; and solving the equation set to obtain an O3 and PM2.5 optimization emission reduction scheme. According to the invention, a refined PM2.5 and O3 pollution emission reduction scheme is provided from the city scale.

The invention relates to the technical field of water treatment, and discloses a water treatment recycling system which comprises a pretreatment unit, a membrane treatment unit, a deep treatment unit and a recycling unit. The pretreatment unit is used for removing large-particle impurities through a grating, a grit chamber and a coagulative precipitation tank; the membrane treatment unit comprises an ultrafiltration and reverse osmosis membrane assembly and a matched membrane cleaning system; the advanced treatment unit purifies water by means of ozone-ultraviolet combined oxidation and mixed ion exchange resin; and the recycling unit is provided with a monitoring and flow control device. In addition, the system is provided with an intelligent control system, real-time monitoring can be achieved, parameters can be automatically adjusted according to the water quality, and efficient and stable water treatment and recycling are achieved. The system has the advantages that the structure and function of each treatment unit are optimized, the water treatment efficiency and quality are improved, the operation cost is reduced, efficient recycling of water resources is realized, and meanwhile, the problems of membrane pollution and difficulty in removal of refractory organic matters in the prior art are solved.

Disclosed herein is a drone docking station for deposit of items / goods delivered by a drone to a secured receptacle. Items are delivered to a receptacle at a curb, mailbox, post, porch, mobile units, and windows for a multi-parcel receptacle with a set of drawers with hot and cold sections in the station that has a specific residential / commercial address with various optional features. Features include communication systems between the station and drone; security; hot and cold temperature control and preservation of the goods before and after delivery; battery charging and exchange station; a collector to identify explosive materials, anthrax, etc.; ultraviolet system to eradicate disease, virus and harmful materials; an ozone applicator to eradicate disease, virus and harmful materials; weather monitoring; tag and track of vehicles and packages; facial recognition camera and software for pets and humans; and local two-way speakers; LED lights that strobe flash, and a flood light.

The utility model discloses a miniature ozone electrode module structure, relates to the technical field of miniature ozone generation, and is used for solving the problems of complex structure, large volume and low ozone generation efficiency of an ozone generator at the present stage. According to the utility model, the polar plates directly act in an aqueous solution through the ozone electrode module with a direct insertion shell structure, generated ozone does not directly act in the shell, the overall service life is prolonged, and meanwhile, a two-cathode and one-anode clamping type polar plate structure is adopted, so that the distance between the polar plates is controlled, and bubbles generated between the polar plates are effectively separated; meanwhile, the reaction spacing can be reduced as much as possible, the ohmic resistance of the reaction is reduced, reactants can be provided for the electrode reaction in time, the electrolytic mass transfer efficiency is also improved, the electric field distribution around the anode is more uniform, and meanwhile, the equipment is miniaturized and integrated, so that the production efficiency is improved. The method is suitable for application scenes with high requirements for space and cost.

The invention provides a preparation method of a perovskite solar cell, and belongs to the field of perovskite solar cells, and the preparation method comprises the following steps: S1, pretreating a transparent conductive substrate; s2, spin-coating the surface of the transparent conductive substrate with a nanoparticle dispersion liquid, and carrying out annealing treatment to obtain a flattened transparent conductive substrate; soaking the leveled transparent conductive substrate in a hydrogen peroxide solution with the concentration of 1-3%, washing and drying, and then carrying out ultraviolet ozone treatment to obtain a hydroxyl modified leveled transparent conductive substrate; s3, spin-coating a hole transport layer on the surface of the hydroxyl modified and flattened transparent conductive substrate; s4, spin-coating a perovskite light absorption layer on the surface of the hole transport layer; s5, spin-coating an electron transport layer on the surface of the perovskite light absorption layer; and S6, evaporating an electrode layer on the surface of the electron transport layer. According to the invention, the photoelectric conversion efficiency of the perovskite solar cell is significantly improved through leveling and hydroxylation treatment of the substrate.

The invention relates to the technical field of functional paper production, in particular to a pressing and flat pasting composite process of skin-touch surface polymer coated paper, which comprises the following steps: pretreating a base material through low-temperature plasma to form a nano groove; the preparation method comprises the following steps: preparing a bottom coating solution containing sulfydryl modified polyurethane and other components, a middle coating layer containing a carbon nanotube forest and a surface coating solution containing a fluorosilicone block copolymer, and sequentially coating, drying and curing; the coated paper and the base material treated by the silicon dioxide transition layer are compounded after being subjected to vacuum hot pressing and steam treatment, and then are subjected to ultraviolet ozone treatment, so that the comprehensive performance is improved. According to the process, by innovating a coating formula and a compounding technology, the wear resistance, pollution resistance and touch performance of the coated paper are remarkably improved, and the functions of antibiosis, temperature sensing adjustment and the like are achieved; the gloss is adjustable, the adhesive force is high, the VOCs emission is low, the environmental protection property is good, and the multi-element requirements of the high-end market are met.

According to the cationic UV-LED and moisture dual-curing three-proofing adhesive provided by the invention, on the basis of original UV-LED curing, moisture curing is introduced as a synergistic curing mechanism, a UV-LED moisture dual-curing three-proofing adhesive system is jointly formed by combining modified dual-curing resin, an epoxy active diluent, a cationic photoinitiator, an auxiliary agent and the like, an oxygen inhibition effect does not exist, and the moisture dual-curing three-proofing adhesive has the advantages that the moisture dual-curing three-proofing adhesive has a good curing effect; under the adhesive film thickness of 50-200 microns, the cured surface is dry and comfortable and does not adhere to dust or other impurities, the defect that the surface of a traditional mercury lamp curing type UV three-proofing adhesive adheres to hands when an LED lamp is cured is overcome, the curing process is low in energy consumption, electricity is saved, the three-proofing adhesive can be used instantly after being opened, damage to heat-sensitive devices is effectively avoided, no ozone is generated in the whole process, and the three-proofing adhesive is environmentally friendly and safe.

The invention discloses an electric flame stove capable of eliminating ozone. The electric flame stove comprises a stove body, a magnetic energy box mounted at the upper end of the stove body and a burner mounted in the stove body, and a magnetron is arranged at the microwave emission port in the magnetic energy box. The high-frequency electromagnetic wave is adopted to excite the initial plasma, so that the temperature and efficiency of the electric flame are improved, and the high-temperature cooking requirements such as stir-frying in a kitchen are met; the reaction between active particles (oxygen ions O or oxygen atoms O) in plasma and ozone is accelerated by adopting high-frequency electromagnetic waves, and finally ozone molecules are decomposed and reduced, so that ozone overflow is inhibited; in a non-pot state, the density of the plasma in the double hearths is small, the microwave switch is switched off, the magnetron stops working, and microwave leakage is completely eradicated from the source; the cooling tank is annularly distributed on the side wall of the second hearth to form a continuous gas barrier surrounding the second hearth, so that the magnetron and the side wall of the second hearth are prevented from being influenced by ultrahigh temperature.

The invention relates to the technical field of composite heat wave ozone event evaluation, in particular to a composite heat wave ozone event refined identification method, which comprises the following steps: acquiring two types of preprocessed observation daily scale data sequences; performing percentile conversion on the preprocessed observation daily scale data sequence to obtain a percentile sequence; calculating the rising rate of the observation data in the development stage according to the percentile sequence; determining a pollution event of the to-be-identified area and a plurality of characteristic values of the pollution event through the rising rate; and if the pollution event is a non-independent composite heat wave ozone event, combining the non-independent composite heat wave ozone event by adopting an IC method to obtain a new combined composite heat wave ozone event. According to the invention, the accuracy of composite heat wave ozone event identification is improved by determining the rising rate and combining the non-independent composite heat wave ozone event.

The invention discloses a production process of an energy-saving and environment-friendly food packaging bag. The production process is realized through the following steps: S1, pretreatment of raw materials: carrying out physical activation treatment on a bio-based composite material; s2, multi-layer co-extrusion film blowing: precisely controlling the extrusion temperature in stages by adopting a gradient temperature control film blowing technology; s3, water-based ink printing, wherein water-based UV ink is used for flexographic printing; s4, ozone-ultraviolet synergetic sterilization: after the packaging bag is formed, the packaging bag enters a closed sterilization cabin to be sterilized; s5, slitting and forming: slitting the film into a customized size by adopting a laser slitting machine in a layered cutting mode, enhancing the interface bonding force through a bio-based composite material pre-activation technology, and reducing the use of an adhesive; the temperature of the three-layer structure is accurately regulated and controlled by adopting a gradient temperature control film blowing process, so that uniform compounding is realized; ozone permeation and ultraviolet photolysis are combined to realize synergistic sterilization, so that secondary pollution is avoided; and a biological enzymolysis recovery system is established to convert the waste into a PLA raw material, so that closed-loop production is formed.

The invention relates to the technical field of air purification, and discloses a space air particle differentiation system and a control method thereof.The space air particle differentiation system comprises an air particle separation module and a control module, the air particle separation module comprises an air inlet, a cyclone separation barrel and a detachable dust collection barrel, the cyclone separation barrel separates particles in air through centrifugal force classification, and the separated particles fall into the bottom dust collection barrel; the ultraviolet catalysis module comprises an ultraviolet reaction chamber, the inner wall of the ultraviolet reaction chamber is coated with a photocatalyst, and a UV-C light source is configured and used for decomposing organic pollutants and microorganisms; the electron-ozone reaction module comprises a mixed flow pipeline fan and an exhaust port, the mixed flow pipeline fan forms negative pressure airflow in the system, and purified air is exhausted through the exhaust port. Through cooperation of cyclone separation, ultraviolet catalysis and electron-ozone reaction, large particles are removed through cyclone separation, organic matter is decomposed through ultraviolet catalysis, microorganisms and superfine particles are oxidized and decomposed in a reaction chamber through electron flow and ozone, the maintenance period is prolonged, and efficient consumable-free purification is achieved.

The invention relates to the technical field of yoghourt fermentation, in particular to a control method of a yoghourt cabinet. Comprising the following steps: initial parameter configuration: setting target temperature, fermentation duration, heat preservation temperature and heat preservation duration of yoghourt fermentation through an electronic temperature control unit; performing composite disinfection treatment: performing staged sterilization operation through an ultraviolet generation unit, dynamically adjusting ozone generation amount by an ozone generation unit through a self-adaptive fuzzy PID composite algorithm, and performing sterilization treatment on the space in the yoghourt cabinet and the yoghourt products; temperature dynamic regulation and control: the temperature in the yogurt cabinet is monitored in real time, and the electrifying duty ratio is regulated through a heating unit by adopting a fuzzy PID algorithm. According to the invention, the electronic temperature control unit is combined with a dynamic duty ratio regulation mechanism, so that the temperature in the yogurt cabinet is stably maintained in an optimal fermentation interval, the problem of unstable fermentation environment caused by temperature fluctuation in a traditional control method is effectively improved, and a constant temperature condition is provided for yogurt fermentation.

The invention relates to an advanced oxidation printing and dyeing wastewater treatment process, and belongs to the technical field of sewage treatment. The method comprises the following steps: adding an aluminum oxide catalyst into to-be-treated printing and dyeing wastewater in a reactor, and stirring; adding an auxiliary agent, and mixing and stirring; adding an oxidizing agent potassium monopersulfate into the obtained mixed solution and stirring; under the irradiation of an ultraviolet light source, continuously introducing ozone prepared by an ozone generator into the reactor for stirring reaction. Pollutants such as refractory dyes and organic auxiliaries in the printing and dyeing wastewater are efficiently removed under mild conditions, the COD removal rate of effluent reaches 90% or above, the chroma removal rate reaches 90% or above, and the quality of the effluent meets the requirements of subsequent treatment or up-to-standard discharge.

The invention belongs to the technical field of wastewater treatment, and particularly relates to a device and a method for quickly removing refractory organic pollutants by utilizing photoelectric synergy and modified foam zero-valent iron to synchronously catalyze ozone. According to the technical scheme, the device comprises a shell, the interior of the shell is divided into an anode chamber and a cathode chamber through a proton exchange membrane, the shell is provided with a water inlet communicated with the anode chamber and a water outlet communicated with the cathode chamber, and the water inlet is communicated with the anode chamber and the water outlet is communicated with the cathode chamber. An anode material and an LED array are arranged in the anode chamber, a cathode material is arranged in the cathode chamber, and the cathode chamber is further filled with a modified foam zero-valent iron catalyst. The invention provides a device and a method for rapidly removing refractory organic pollutants by utilizing photoelectric synergy and modified foam zero-valent iron to synchronously catalyze ozone.

The invention belongs to the technical field of water quality purification, and particularly relates to an intelligent ozone adding regulation and control system and method based on water quality purification. According to the method, multiple water quality indexes are weighted and synthesized into a comprehensive value, misleading of a feeding decision by a single index is avoided, the actual treatment load can be reflected more accurately, so that a more appropriate ozone feeding amount is obtained, a historical evaluation and compensation mechanism is introduced, the recent pollution change trend can be identified and corrected in the feeding amount, and the accuracy of ozone feeding is improved. The treatment failure or resource waste caused by sudden water quality fluctuation is reduced, the target index can be continuously corrected and approached, the standard reaching stability and response speed are improved, the excessive use of ozone is reduced through precise addition, the chemical and energy consumption cost is saved, the ozone residue and possible secondary pollution risk are reduced, and the environmental safety is improved. And by adopting table look-up mapping, field parameter maintenance, step-by-step optimization and expert experience introduction are facilitated.

The invention provides an integrated medical waste liquid advanced treatment device which comprises a treatment tank body, a separation cylinder and an interception filter plate at the lower end are arranged in the treatment tank body, the top of the separation cylinder is connected with a water inlet pipe, a rotating shaft driven by a first motor is arranged in the middle of the separation cylinder, and a spiral net plate is arranged on the shaft. An assembly for adding a demulsifier through a rotating shaft is arranged at the bottom of the tank, and an ultraviolet ozone co-processing assembly is arranged above the interception filter plate. A biological carrier column is contained in the reaction cylinder, a uniform water distributor is arranged at the bottom, and a top sealing cover is connected with a water outlet pipe through a connecting pipe. And the aeration water delivery assembly delivers the water treated by the ultraviolet ozone to the water distributor, so that the multi-stage advanced treatment of the waste liquid is realized. Through efficient multi-stage treatment technologies such as solid-liquid separation, demulsification, ultraviolet ozone oxidation and biodegradation, comprehensive purification of complex medical waste liquid is achieved, and the device has the advantages of being high in treatment efficiency, high in automation degree and remarkable in environmental protection effect.

The invention discloses a waterproof bag film material and a preparation method thereof, relates to the technical field of polybutylene terephthalate polymer materials, and belongs to the patent classification number C08L67 / 02. The method comprises the following steps: sequentially carrying out silane coupling agent modification and solid-phase free radical polymerization on activated gas-phase nano silicon dioxide to construct a core-shell structure nano reinforced filler with rich epoxy groups on the surface; carrying out melt blending extrusion on the mixture, PBT (Polybutylene Terephthalate) resin, a chain extender, an end-capping reagent and the like to obtain hydrolysis-resistant modified granules; a PBT base film is prepared through casting, two-way stretching and heat setting; the preparation method comprises the following steps: performing ultraviolet ozone activation on a base film, coating a super-hydrophobic coating solution prepared from aminated nano silicon dioxide, epoxy-terminated polydimethylsiloxane, a cross-linking agent and an accelerant, and heating and curing to finally obtain the high-strength high-waterproof PBT waterproof bag film. The prepared film has excellent mechanical strength, body hydrolysis resistance and super-hydrophobic surface, the water contact angle is high, the coating adhesive force is high, and the waterproof performance is lasting and stable under high-frequency bending.

The invention relates to a light source system of an integrated closed heat dissipation structure. The light source system is mainly applied to equipment such as an ultraviolet phototherapy instrument. Aiming at the contradiction between potential safety hazards (liquid / dust invasion and ozone leakage) and heat dissipation efficiency in the existing open type air cooling heat dissipation scheme, the system innovatively adopts a totally-closed structure: a closed space for isolating the outside is formed by a sealed shell, and an internal circulation heat dissipation unit consisting of a heat conducting plate, a semiconductor chilling plate cold end and a double-circulation fan is arranged in the closed space. After cold air absorbs heat through the light source module, heat exchange is completed in a cold source fin air channel, and internal efficient circulation heat dissipation is achieved. And meanwhile, heat is led out through the hot end of the semiconductor chilling plate and an external cooling fan. The system has the advantages of airtight protection and active heat dissipation, external pollutants are effectively isolated, ozone leakage is prevented, the heat dissipation efficiency is improved through the multi-stage heat conduction design, the service life of a light source is prolonged, and the problem of contradiction between protection and heat dissipation in a traditional scheme is solved.

A disinfection device may include a disinfection chamber, an ozone generator configured to generate ozone, and a humidifier configured to generate humidity and configured to be fluidly coupled to the disinfection chamber and the ozone generator, the humidifier being configured to encourage a mixing of generated ozone with generated humidity.

The invention discloses a vehicle-mounted microbial environment management system based on multi-mode sterilization control and a method thereof, and relates to the technical field of vehicle-mounted air purification and microbial control. The system comprises a microorganism sensing module used for collecting and detecting the concentration of microorganisms in air in a vehicle in real time, a state monitoring module used for feeding back the irradiation state of an ultraviolet light source and the activity state of a photocatalytic material, and a control module used for judging the pollution risk level based on multi-source information fusion and generating a control instruction. The safety and interaction module is used for passenger state detection and remote control interaction, and the ultraviolet disinfection module, the photocatalytic purification module and the ozone release module cooperatively execute disinfection operation according to a control instruction. Through a closed loop mechanism of pollution detection, risk determination, safety verification, linkage control and effect verification, high-precision, intelligent, safe and reliable vehicle-mounted microbial environment management is realized, the operation efficiency and the use safety of the system are improved, and the system is suitable for various intelligent cabins and high-standard vehicle-mounted environment control application scenes.

The utility model belongs to the technical field of wastewater treatment, and relates to a two-stage oxidation device for sintering desulfurization and denitrification wastewater treatment. The device comprises a primary ozone treatment module, a secondary ozone treatment module, an ozone generator and an activating and dosing device. The process flow comprises two stages of primary ozone process treatment and secondary ozone process treatment. The wastewater directly reacts and indirectly reacts with ozone in sequence in the treatment process, organic waste in the wastewater is effectively and fully catalyzed and decomposed, and finally up-to-standard discharge is achieved. The device and equipment provided by the utility model are simple, do not need a complex treatment process, are easy to maintain, and are relatively low in maintenance medicament cost. The device provided by the utility model has continuity, can realize continuous water production, and does not generate secondary chemical pollution.

The subject matter of the present disclosure relates, in various embodiments, to an apparatus, system and method that provides a new and improved ozone treatment chamber that effectively and efficiently disinfects and sanitizes a multitude of target objects using locally generated ozone and humidity. The present invention comprises a housing unit, an ozone generator, a humidity generator, an ozone destructor and a control system for managing same. In alternate embodiments, in addition to the above structures, a heating system is provided to assist with drying if needed and / or to eradicate lice, bedbugs and their eggs. In use, the present invention disinfectants (at least a 3 log 10 or 99.9% reduction in virus titers) and sanitizes (at least a 3 log 10 or 99.9% reduction in bacterial count) a plurality of viruses and bacteria, respectively, thus eliminating the need for harsh chemical liquids.

The invention discloses an overflowing type ozone mixing device which comprises a main body, the two ends of the main body are a water inlet end and a water outlet end respectively, an ozone module for generating ozone is arranged in the main body, ozone channels parallel to each other are arranged on the two sides, corresponding to the ozone module, in the main body respectively, and the ozone channels are communicated with the ozone module. Two ends of the ozone channel are respectively communicated with the water inlet end and the water outlet end, the ozone channel comprises a plurality of cavities which are sequentially distributed along the axis of the ozone channel, the adjacent cavities are connected through connecting holes, the spaces of the plurality of cavities are different in size, and the spaces of the plurality of connecting holes are different in size; when water flow enters the ozone channel from the water inlet end, the water flow can sequentially pass through the cavities with different sizes and the connecting holes, the multiple cavities with different volumes distributed along the axis of the channel and the connecting holes can form an'expansion-contraction 'fluid path for the water flow, turbulent flow and vortex are formed, and mixing of high-speed jet flow and low-speed vortex can accelerate contact mixing of water and ozone.

The invention relates to the technical field of sterilization equipment, in particular to a sterilization machine and a sterilization process thereof. A sterilization machine comprises a shell and a plurality of sterilization assemblies. The multiple sterilization assemblies are all arranged in the shell. The sterilization assembly comprises a mercury lamp and a plurality of lamp tube covers. The two ends, in the circumferential direction of the mercury lamp, of the lamp tube cover are called a rotating end and a covering end respectively, and the rotating end rotates to enable the covering end to abut against the peripheral wall face of the mercury lamp or enable the covering end to be separated from the peripheral wall face of the mercury lamp. According to the sterilization machine, the multiple sterilization assemblies are arranged in the shell, the deep disinfection and deodorization requirement that ultraviolet rays and ozone work at the same time in an unmanned scene can be met through rotation adjustment of the lamp tube cover according to the use scene requirement during use, the mode can be switched to an ozone-free mode in a manned scene, operation is easy, control is convenient, and the sterilization machine is suitable for popularization and application. And the method can adapt to diversified use scenes.

The invention relates to the technical field of leather wastewater treatment, and provides an ultraviolet-visible spectrum-based leather wastewater ozone dosage and COD (Chemical Oxygen Demand) prediction method. The method comprises the following steps: firstly, determining the types of organic matters in a tannery wastewater sample, and determining the distribution characteristics of the organic matters in different fluorescent regions through three-dimensional fluorescence spectrum analysis, so as to discriminate the types of organic pollutants; secondly, screening key wavelengths, and determining characteristic absorption wavelengths representing different organic matters through an ultraviolet-visible light spectrum; then carrying out an ozone oxidation experiment, and synchronously measuring a COD value and an ultraviolet absorption spectrum under different ozone addition amounts; based on experimental data, a multiple linear regression and exponential regression prediction model of ozone dosage and a COD prediction model based on partial least squares regression are established. According to the invention, accurate control of ozone dosage and real-time monitoring of COD are realized, the treatment efficiency is improved, the operation cost is reduced, the adaptability to water quality fluctuation is enhanced, and the method has a wide engineering application prospect.

The invention provides a corn straw material container preparation process, and relates to the technical field of corn straw material utilization, and the corn straw material container preparation process comprises the following process steps: step 1, raw material selection and pretreatment, step 2, crushing treatment, step 3, cleaning and disinfection, step 4, mixing and stirring, and step 5, molding processing. The method comprises the following steps: step 1, raw material selection and pretreatment: precise screening and low-temperature rapid drying; 2, crushing treatment comprises intelligent crushing and cyclone separation; step 3, cleaning and disinfection: ultrasonic-assisted cleaning and ultraviolet and ozone synergistic disinfection; 4, mixing and stirring, wherein the mixing and stirring process comprises auxiliary agent selecting and mixing processes; and 5, molding processing, wherein injection molding, infrared drying, plasma treatment and electrostatic spraying are included. The method has the advantages that the environment-friendly effect is good, the abandoned product can be naturally degraded, the sustainable development concept is met, the product has excellent performance in the aspects of strength, heat insulation, water resistance, wear resistance and the like after being processed, and the market requirements are met.

The invention provides a satellite-borne laser radar and reanalysis data multi-wavelength atmospheric transmittance inversion method, and relates to the field of atmospheric remote sensing. According to the inversion method, on the basis of satellite-borne laser radar data and reanalysis data, the atmospheric transmissivity under different wavelengths is accurately calculated in combination with wavelength conversion and data fusion; comprising the following implementation steps: step 1), selecting satellite-borne laser radar data; step 2), screening the extinction coefficients; step 3), generating a space-time matching data set; step 4), establishing an aerosol extinction-transmittance conversion model; step 5), calculating atmospheric molecule and ozone transmittance; step 6), performing layered transmittance fusion; and 7) calculating the transmittance of the whole atmosphere.