585 results about "Microbiological growth" patented technology

The invention relates to the technical field of water quality monitoring, in particular to a water quality monitoring analysis method and system of a water conservancy system. The method comprises the following steps: acquiring area scale and water area type distribution, and carrying out sensing planning layout and water quality index real-time monitoring to obtain a water conservancy system water quality index data set; performing regional water quality index distribution coupling and regional time step division on the water conservancy system to obtain a corresponding water conservancy pH value, water conservancy dissolved oxygen concentration, water conservancy turbidity, water conservancy heavy metal concentration and water conservancy microorganism concentration; performing microorganism growth efficiency evaluation and microorganism pollution attenuation analysis on the water conservancy microorganism concentration to obtain a water conservancy area microorganism pollution degradation attenuation rate; and performing water quality pollution anomaly quantification and anomaly category decision management on the water quality index data set of the water conservancy system to generate a water quality anomaly category management strategy so as to execute corresponding regional water quality category management work of the water conservancy system. The accuracy and efficiency of water quality monitoring can be improved.

The invention discloses a system and method for identifying microbial contamination in food and cosmetics based on AI identification, and the method comprises the steps: collecting to-be-detected food or cosmetics as a detection sample, and obtaining the bacterial colony growth state of microorganisms in the detection sample; the method comprises the following steps: acquiring a microbial growth image through microscopic imaging equipment, and preprocessing the microbial growth image to obtain a target area of a microbial colony; constructing an AI recognition model by adopting a convolutional neural network, and obtaining the species and quantity of microorganisms in the detection sample; parameters of the AI recognition model are adjusted in real time according to the types and the number of the microorganisms, a preset microorganism limited standard threshold value is combined, a visual analysis report is generated, the AI recognition model is combined with a Faster R-CNN target detection method, precise classification and number statistics of the types of the microorganisms are achieved, a complete microorganism pollution analysis report is formed, and the method is suitable for popularization and application. And the accuracy and scientificity of the final identification result are improved.

The invention discloses a water quality monitoring system applied to sewage treatment, and relates to the technical field of sewage quality monitoring. Before microorganisms are added, the uniformity of water quality is monitored and analyzed, the sewage treatment mode is confirmed, and during layered treatment, the water quality is monitored and analyzed. The method comprises the following steps: analyzing a microorganism combination scheme and a microorganism addition scheme during sewage treatment of each deep layer, during overall treatment, carrying out water quality monitoring on the microorganism combination scheme and the overall microorganism addition scheme of the sewage after microorganisms are added, and then carrying out corresponding adjustment, so that the uniformity and uniformity of the water quality treatment progress are ensured; the method is beneficial to maintaining the stability of a microorganism growth environment, so that microorganisms continuously and efficiently work in a relatively stable environment, the decomposition speed of pollutants in sewage is increased, the stability of effluent quality is ensured, the difficulty of subsequent microorganism control and regulation is reduced, the overall sewage treatment effect is improved, microorganism waste is not easily caused, and the method is suitable for industrial production. The operation cost is reduced.

The invention relates to the technical field of bioengineering fermentation, and discloses a bioengineering fermentation method, through multiple groups of sensors arranged in a fermentation reactor, key data parameters in the fermentation reactor can be detected and monitored in real time, an operator can be helped to quickly and accurately know the fermentation state of a material in the fermentation reactor, and the fermentation efficiency of the material in the fermentation reactor is improved. Real-time and reliable working parameter adjustment and control are achieved, a multi-parameter dynamic optimization type biological engineering fermentation method is adopted, key parameters in fermentation engineering are accurately analyzed and predicted through dynamic parameter collection in cooperation with a mathematical model and an algorithm, prediction is accurate and reliable, reliable data support can be provided for dynamic regulation and control, and the method is suitable for large-scale popularization and application. The fermentation conditions are dynamically adjusted, so that the growth and metabolism of microorganisms are optimized, the yield and quality of products are improved, the fermentation period is shortened, the production cost is reduced, reliable experience and data support can be provided for subsequent fermentation work in cooperation with data recording, and the fermentation efficiency and the product quality are further optimized.

An electrochemical sensor extracts information from biofluid systems by harnessing a nonlinear dynamic electrochemical model and stochastic voltage or current input. It uses a black-box approach that describes the fluid's state and predicts its evolution over time using a collection of model parameters, nonlinear dynamic measurement modes, and modeling techniques. For example, the sensor can use principal component analysis to reduce the set of (potentially hundreds) of model parameters to a handful of latent variables which evolve independently of each other. The sensor can use a set of these latent variables as a description of the state of the fluid. For a given sample fluid (e.g., milk containing contaminants), the sensor collects trajectories of the fluid state over time under varying conditions, permitting the training of a machine learning model to predict either fluid state trajectories or time until the fluid state crosses a given threshold (e.g., spoilage).

According to the microbial flora culture method for efficiently degrading the organic pollutants, three continuous culture stages of enrichment, domestication and optimization are adopted, parameters such as the temperature, the pH value, the rotating speed and the ventilatory capacity are accurately controlled in each stage, and growth of microorganisms with degradation capacity is promoted. Through multi-stage culture and domestication, the obtained flora has efficient degradation capability on organic pollutants such as petroleum hydrocarbons, pesticides and polycyclic aromatic hydrocarbons, and has strong adaptability to pollutants with different concentrations. The 16S rRNA gene is used for sequencing and identifying the flora, and composition and dominant strains are clear. The flora is prepared into a microbial inoculum, and the microbial inoculum is preserved by freeze drying or liquid nitrogen, so that the activity can be effectively maintained. The flora can be widely applied to the fields of polluted soil and water body remediation, industrial wastewater treatment and the like, is green and environment-friendly, is relatively low in cost, avoids secondary pollution, conforms to the concept of sustainable development, and has relatively high economic and environmental values.

The embodiments disclose a method for testing organic plant materials, including detecting and associating machine-readable QR code identifiers at multiple testing locations within a facility, preparing samples at the multiple testing locations with microorganism-specific growth stimulator solutions to facilitate detection of contaminants, automatically detecting and analyzing environmental conditions at the multiple testing locations with a plurality of sensors, automatically correlating the captured images and the environmental conditions to the associated machine-readable QR code identifiers, analyzing and comparing the captured images and the environmental data against known harmful microorganisms, automatically generating contamination reports including detected infestations and remediation recommendations with mitigation actions and displaying the contamination reports and the recommendations and automatically generating and displaying a facility map on the graphical user interface with hotspot locations of the detected infestations of the contamination reports associated with the machine-readable QR code identifiers.

The invention discloses a treatment method for improving the fresh-keeping effect of fresh-cut eggplants, which comprises the following steps: cleaning, pre-cooling and cutting fresh eggplants to obtain fresh-cut eggplants; soaking the fresh-cut eggplants in an anti-browning soaking solution for treatment, and draining off water after the treatment is completed; spraying a film coating liquid on the surface of the drained eggplant; a calcium chloride solution is sprayed on the surfaces of the sprayed eggplants, and the eggplants are air-dried at room temperature until the surfaces do not have obvious moisture; and packaging and storing the treated eggplants. According to the comprehensive fresh-keeping method for the fresh-cut eggplants based on the double-layer coating technology, the first layer is an anti-browning soaking solution, and the problems of browning and texture softening are solved; and the second layer is functional coating spraying liquid and is used for controlling gas exchange and microorganism growth. According to the method, multiple fresh-keeping barrier technologies are effectively integrated, green and natural fresh-keeping components are completely adopted, the shelf life of the fresh-cut eggplants is remarkably prolonged through scientific formula design and a modern food processing technology, and meanwhile good sensory quality and nutritional value are kept.

The invention relates to the technical field of sewage treatment, in particular to a modified basalt fiber, a preparation method of the modified basalt fiber and a biological membrane filler containing the modified basalt fiber. The prepared basalt fibers and polyester fibers are blended into fiber bundles which are blended on the fixed base layer to form the biological membrane filler, the fiber bundles are distributed on the surface of the fixed base layer in a seaweed shape, the fiber bundles are distributed in a vertically staggered mode, more attachment points can be provided for growth of microorganisms, meanwhile, the contact time of water flow and a biological membrane is prolonged, and the biological membrane filler is more stable. The biofilm culturing amount and the biofilm culturing speed of the biofilm are improved, and the biodegradability of the biofilm is enhanced; meanwhile, the fixed base layer is made of a flexible material, so that compression during transportation is facilitated, and the storage and transportation cost is reduced.

The invention relates to the technical field of water-soluble fertilizers, in particular to a water-soluble organic fertilizer and a preparation method and application thereof.The water-soluble organic fertilizer is prepared from, by mass, 40-100 parts of basic organic raw materials, 5-15 parts of microbial fermentation additives, 10-20 parts of nutrient element supplements and 3-7 parts of synergists; the microbial fermentation additive comprises a compound microbial agent and a microbial growth carrier, the nutrient element supplement comprises a nitrogenous fertilizer, a phosphatic fertilizer, a potash fertilizer and medium trace elements, and the synergist comprises fulvic acid and alginic acid. According to the water-soluble organic fertilizer and the preparation method and application thereof, efficient utilization and accurate supply of nutrients are achieved, the growth requirements of crops in plant factories are met, meanwhile, resource utilization of organic waste is promoted, and sustainable development of the plant factories is promoted.

The invention discloses a preparation method of a high-stability manual buffer solution, which comprises the following steps of: introducing two types of slow-release porous particle structures, namely a first type of particles loaded with acidic or alkaline components and a second type of particles loaded with silver nanoparticles, so that continuous slow release and dynamic adjustment of the components in the buffer solution are realized; the pH drift and the aging of a buffer system are effectively delayed; meanwhile, slow release of the silver nanoparticles endows the buffer solution with lasting antibacterial protection, microbial growth is remarkably inhibited, and due to the structural design, the long-term pH stability and storage safety of the buffer solution are remarkably improved, the clarity and physicochemical properties of the buffer solution are guaranteed, and the stability of the buffer solution is improved. The method greatly expands the application range in the fields of high-requirement biological experiments, medical detection, long-term sample storage and the like, the particle addition amount and the component proportion can be flexibly adjusted according to actual requirements, the method adapts to different pH ranges and application scenes, and various experiment requirements of protein purification, long-term sample storage, high-sensitivity analysis and detection are met.

The invention discloses a saline-alkali soil rhizosphere microdomain soil improvement and fertilization fertilizer and a preparation method thereof, and belongs to the technical field of saline-alkali soil treatment. The fertilizer is composed of a microbial inner core, a slow release fertilizer secondary outer layer and a soil conditioner outer layer, the microbial inner core is composed of a compound microbial agent (composed of nitrogen-fixing bacteria, phosphate solubilizing bacteria and live potassium bacteria), biochar and a polymer organic membrane material, the slow release fertilizer secondary outer layer is composed of a chemical fertilizer, an inhibitor (a nitrification inhibitor and / or a urease inhibitor) and amino acid, and the soil conditioner outer layer is composed of a soil conditioner outer layer. The soil conditioner outer layer is composed of a soil conditioner special for saline-alkali soil improvement. The method has the beneficial effects that (1) the pH value of the soil is adjusted and the soil structure is improved, so that the microbial flora can better adapt to the soil environment of the saline-alkali soil; and (2) the biochar and the isolating membrane effectively protect the activity of microorganisms, and the microorganisms are released when the pH value and the salt-based ions of the soil around the rhizosphere reach a lower level, so that the saline-alkaline obstacle of the growth of the microorganisms is overcome.

The present invention discloses a water quality monitoring system applied to sewage treatment, which relates to the technical field of sewage water quality monitoring. Before adding microorganisms, the present invention monitors and analyzes the uniformity of water quality, confirms the sewage treatment mode. During stratified treatment, it analyzes the microorganism combination plan and microorganism addition plan for sewage treatment at each depth layer. During overall treatment, it analyzes the microorganism combination plan and overall microorganism addition plan for sewage, and after adding microorganisms, it conducts water quality monitoring and then makes corresponding adjustments to ensure the unity and uniformity of the water quality treatment progress, which helps to maintain the stability of the microorganism growth environment, so that the microorganisms can continuously work efficiently in a relatively stable environment, improve the decomposition speed of pollutants in the sewage, ensure the stability of the effluent water quality, reduce the difficulty of subsequent microorganism control and regulation, improve the overall sewage treatment effect, and is not easy to cause microorganism waste, reducing the operation cost.

The invention discloses a soil microorganism carbon utilization efficiency determination method, and relates to the technical field of carbon utilization efficiency determination, and the method comprises soil sample pre-culture, multi-source 18O isotope gradient labeling, dynamic gas monitoring, microorganism respiration rate dynamic correction, and microorganism growth rate and carbon utilization efficiency acquisition. By labeling multi-source isotopes and quantifying contributions of different oxygen sources to microorganism DNA synthesis, underestimation of the carbon utilization efficiency caused by a traditional single labeling method is avoided, the problem of limitation existing in the current soil microorganism carbon utilization efficiency determination process is solved, the inhibition effect of too high local concentration on microorganism metabolism is reduced through gradient labeling, and the accuracy of soil microorganism carbon utilization efficiency determination is improved. The method has the advantages that marking uniformity is improved, multiple groups of soil samples are arranged, real-time change of microbial respiration is captured by means of dynamic monitoring, influence of isotope fractionation on carbon dioxide concentration calculation is eliminated, instantaneous errors of traditional static measurement are avoided, and accuracy of analysis results is improved to a certain extent.

The invention belongs to the technical field of soil remediation, and particularly relates to a multifunctional composite soil conditioner and a preparation method thereof. The composition comprises a component A and a component B, the component A is prepared from the following components in parts by weight: 35 to 50 parts of modified charcoal, 8 to 12 parts of diatomite, 3 to 5 parts of bentonite, 13 to 18 parts of chitosan modified humic acid and 4 to 6 parts of nano silicon dioxide; the component B is prepared from the following components: 8 to 12 parts of lime powder, 5 to 10 parts of polyvinyl alcohol, 5 to 10 parts of polylactic acid, 5 to 8 parts of nanocrystalline cellulose, 6 to 10 parts of plant extract and 5 to 8 parts of sodium alginate. According to the invention, a stable three-dimensional adsorption network is constructed by using biochar and a nano material, so that the heavy metal fixing capability is enhanced; the chitosan modified humic acid promotes the growth of beneficial microorganisms and improves the self-repairing capability of the soil; slow-release lime powder ensures stable adjustment of the pH value, and polyvinyl alcohol and the like form a protective layer to ensure a long-acting effect.

The invention relates to the technical field of microbiological detection and image detection, and provides a microwell plate microbiological growth state detection method, system and equipment based on artificial intelligence. The system comprises an image acquisition module, an image segmentation module, a data set construction module, an image data enhancement module, an image classification module, a classification result determination module and a reasoning module, and is used for detecting whether bacteria grow in the microwell plate; or the system comprises an image regression module and a regression error evaluation module and is used for detecting the biomass of the thalli. According to the invention, a self-built photographing device can be adopted to realize on-site direct automatic detection without sampling, so that high-throughput automatic accurate analysis of the growth state of microorganisms in the microwell plate can be conveniently and quickly realized, experiment consumables and biological samples can be saved, the contamination risk can be reduced, and the experiment efficiency can be remarkably improved. Therefore, the working intensity of detection personnel is reduced, and the method has wide application value. Meanwhile, the complexity of detecting the growth state of the microorganisms in the pore plate is reduced, and popularization and application are facilitated.

The invention relates to preparation and technical methods of a composite saline soil modifier. The modifier is prepared from 30-40 parts of charcoal, 8-10 parts of oxalic acid, 15-20 parts of desulfurized gypsum, 3-6 parts of wood vinegar, 1-2 parts of microbial agent fermentation liquor and 30-40 parts of other auxiliary components. Wherein the microbial agent fermentation liquor is prepared by fermenting bacillus subtilis, the biochar is prepared by pyrolyzing rice husk at 600 DEG C for 2 hours, and the desulfurized gypsum is prepared by wet desulfurization; the preparation method of the modifier comprises the following steps: uniformly mixing the raw materials in proportion, drying until the water content is lower than 10%, crushing and packaging. During application, the fertilizer is uniformly applied to salinized soil according to the dosage of 100 kg / mu, the ploughing depth is 20-30 cm, and the soil is kept moist. Experimental results show that the modifier can significantly reduce the pH value of soil, increase the number of water-stable aggregates, increase the water retention capacity of soil, promote the growth of soil microorganisms and enhance the salt resistance of crops, and has a significant improvement effect on mild to moderate salinized soil.

This invention discloses a soil improvement and fertilization fertilizer for rhizosphere micro-domains in saline-alkali land and its preparation method, belonging to the field of saline-alkali land management technology. The fertilizer consists of a microbial core, a slow-release fertilizer sub-outer layer, and a soil conditioner outer layer. The microbial core is composed of a compound microbial agent (composed of nitrogen-fixing bacteria, phosphate-solubilizing bacteria, and potassium-active bacteria), biochar, and a high-molecular organic membrane material. The slow-release fertilizer sub-outer layer is composed of chemical fertilizers, inhibitors (nitrification inhibitors and / or urease inhibitors), and amino acids. The soil conditioner outer layer is composed of a soil conditioner specifically for saline-alkali land improvement. The advantages of this invention are: (1) it first adjusts the soil pH and improves the soil structure, so that the microbial community can better adapt to the soil environment of saline-alkali land; (2) the biochar and the isolation membrane effectively protect the microbial activity, and release the microorganisms when the soil pH and base ions around the rhizosphere reach a low level, overcoming the saline-alkali barrier to microbial growth.

The utility model discloses a novel deodorizing biofilter structure, including: a pre-wash tank, a biofilter, a circulating water tank and a humidifying water tank, wherein a connecting air duct is fixedly connected between the pre-wash tank and the biofilter, an air distribution assembly is arranged at the bottom of the biofilter, the pre-wash tank and the biofilter are respectively filled with pre-wash tank fillers and biofillers, an air inlet pipe is fixedly connected to the pre-wash tank, and an air outlet pipe is fixedly connected to the biofilter. The utility model evenly arranges a plurality of air distribution branches, so that gas can evenly pass through the biofiller, thus avoiding the phenomenon of local collapse and hardening of the biofiller due to uneven air distribution, and can also serve as an aeration system to provide oxygen for the growth of microorganisms on the filler when necessary, thus avoiding the hardening and hardening of the filler in the filter, maintaining a suitable and stable living environment for the microorganisms inside the filler, achieving better deodorizing effect, more stable operation and longer service life.

The invention provides a method for preparing beef jerky through synergistic fermentation of a mixed microbial fermentation agent and spices, and belongs to the technical field of microbial fermentation and beef food deep processing. The spices are used for pickling the beef, the flavor of the beef is improved, the mixed microbial leavening agent is added for fermentation, macromolecular substances such as protein and fat in the beef are decomposed in the growth and reproduction process of microorganisms, and substances such as micromolecular peptide, amino acid and fatty acid which are better absorbed are generated; the nutritional value, flavor and quality of the beef jerky can be remarkably improved, meanwhile, microbial fermentation acid production effectively inhibits growth of other microorganisms, and the safety of the beef jerky is improved.

An apparatus for mitigating contamination in a fuel supply is an ultrasonic generator coupled with a piezoelectric transducer that propagates ultrasonic waves through a fuel tank. In some embodiments the apparatus is used to mitigate the growth of microbial organisms. In other embodiments the apparatus is used to emulsify water into the fuel, particularly in diesel fuel. The apparatus addresses water and microbial growth found in boats, cars, and aircraft as well as in storage tanks such as those used at fuel stations. In some embodiments, the fluid is diesel fuel.

Described herein are methods and compositions for using microbial agents (probiotics) and agents that promote growth of certain microbes (prebiotics) for management (including prevention and treatment) of musculoskeletal disorders, including osteoporosis, osteopenia, Paget's disease, stunting, osteoarthritis, osteomyelitis, and delayed or non-union fractures. Also described herein are methods and compositions for using probiotics and prebiotics for management of inflammation, and symptoms of menopause.

The invention provides an intelligent microbial incubation system which solves the problems that an existing intelligent microbial incubation system is unreasonable in internal structure design and cannot automatically detect the growth condition of microorganisms. The device comprises a box body, a first vertical partition plate used for dividing an inner cavity of the box body into an operation cavity and a culture cavity is arranged in the box body, and a sample inlet and outlet isolation conveying assembly used for conveying a loader between the operation cavity and the culture cavity is arranged on the first vertical partition plate. A heating assembly, a bearing assembly for placing a loader and a first transfer assembly for transferring the loader between the bearing assembly and the sample inlet and outlet isolated conveying assembly are arranged in the culture cavity, and a transfer box, a second transfer assembly for transferring the loader between the transfer box and the sample inlet and outlet isolated conveying assembly and a detection bin are arranged in the operation cavity; and a detection assembly for detecting the growth condition of microorganisms in the loader is arranged in the detection bin. The device has the advantages of reasonable internal structural design, large storage capacity, capability of intelligently detecting the growth condition of microorganisms and the like.

The invention discloses a method for synergistically regulating and controlling microbial growth in stages based on light / carbon / nutrient substances, which comprises the following steps: according to the growth cycle of photosynthetic microorganisms, the photosynthetic microorganisms are cultured by changing control parameters, and the control parameters are one or more of dynamic regulation illumination intensity, nutrient element or carbon source supply. According to the method disclosed by the invention, through dynamic illumination and staged nutrient element and carbon source supply, the light energy and nutrition utilization efficiency in the photosynthetic microorganism culture process is remarkably improved. Compared with an existing constant illumination and traditional nutrition supply mode, the light intensity, the light period and the nutrition supply strategy can be dynamically adjusted according to the actual requirements of microorganisms in different growth stages, light inhibition and nutrient waste are avoided, rapid growth of the microorganisms and accumulation of target products are effectively promoted, and therefore the culture yield and efficiency are remarkably improved. The method provided by the invention can be widely applied to the fields of environmental governance, biofuel, medicine, food and the like.

The invention relates to a composite slow-release material for groundwater remediation and a preparation process thereof, and relates to the technical field of groundwater remediation materials.The composite slow-release material is prepared from, by mass, 20-40 parts of a composite oxidizing agent, 30-50 parts of an inner-layer wall material, 10-20 parts of glucose, 40-60 parts of an outer-layer wall material and 5-15 parts of self-Fenton mesoporous titanium dioxide. The preparation process comprises the following steps: preparing the self-Fenton mesoporous titanium dioxide, preparing the inner-layer micro-capsule and preparing the composite sustained-release material. The composite slow-release material has the effect of improving the pollutant degradation performance of the composite slow-release material, the composite slow-release material has good oxidative degradation capacity, growth and metabolism of microorganisms in underground water can be promoted, the composite slow-release material cooperates with the microorganisms to degrade pollutants, and the removal efficiency of the pollutants and the durability of the repairing effect are improved.

The invention discloses an activated sludge self-adaptive regulation and control method based on multi-source data mining, and belongs to the technical field of sludge treatment.The activated sludge self-adaptive regulation and control method comprises the steps that a microflora feature data set is obtained from a sewage treatment system; according to the microflora feature data set, analyzing the sludge state by adopting a classification model, and judging the growth stage of microorganisms; determining the current sludge discharge load level; if the current sludge discharge load level exceeds a preset threshold value, deducing future sludge state evolution by adopting a prediction model according to the type of the current microbial growth stage and the microbial community characteristic data set to obtain an aeration intensity adjustment threshold value; determining sludge discharge configuration parameters by matching the aeration intensity adjustment threshold value with the current aeration intensity; and taking the aeration intensity adjustment threshold value and the sludge discharge configuration parameter as a sewage treatment parameter configuration scheme. The activated sludge self-adaptive regulation and control method based on multi-source data mining solves the problem that regulation and control of activated sludge are difficult to realize accurately at present.

The invention relates to the technical field of microbial fermentation, in particular to a microbial fermentation control system based on an intelligent sensor, and the system comprises a data collection module which is used for periodically collecting environment information and reactant information in a fermentation tank; the data analysis module is used for constructing a fermentation coupling model based on the information change condition of reactants in the fermentation tank in the target time period, constructing a microorganism growth curve according to the environment information change condition, and determining a microorganism growth key area based on the microorganism growth curve; the data judgment module is used for determining a microbial fermentation process based on the fermentation coupling model and the microbial growth key area, and judging whether microbial fermentation meets a preset standard or not according to the microbial fermentation process; and the control and adjustment module is used for determining a control and adjustment mode of the fermentation tank based on a judgment result that the microbial fermentation process does not meet the preset standard. The microbial fermentation environment can be accurately controlled, so that the fermentation effect and the fermentation efficiency are improved.

The present invention relates to the in vitro use of a cationic hydroxyalkyl guar for maintaining or increasing the growth rate of microorganisms, wherein said cationic hydroxyalkyl guar has an average molecular weight of between 2,000 Daltons and 90,000 Daltons.

The invention discloses a permanent filler for treating malodorous waste gas by a biological method and a preparation method of the permanent filler. The permanent filler is prepared from 30-50 parts of modified diatomite, 20-30 parts of polyurethane foam, 10-20 parts of activated carbon, 10-15 parts of a microbial immobilization carrier, 5-10 parts of a nutrition additive and 3-8 parts of a binder. Abundant adsorption sites and a good microorganism attachment basis are provided through the modified diatomite; the polyurethane foam ensures the air permeability and water holding capacity of the filler, and the activated carbon enhances the adsorption effect on malodorous substances; the microorganism immobilization carrier effectively immobilizes microorganisms and improves the stability and activity of the microorganisms; the nutrient additive provides continuous nutrients for growth of microorganisms, the binder ensures firm combination of the raw materials, and all the components cooperate with one another to jointly create an ideal growth and metabolism environment for the microorganisms, so that the treatment efficiency of the malodorous waste gas is remarkably improved. Diatomite is subjected to acid treatment and high-temperature calcination modification, and the specific surface area of the diatomite is remarkably increased through the unique modification technology.

The invention relates to the technical field of sewage treatment, and particularly discloses a photoelectrocatalysis advanced oxidation-suspended filler bio-membrane reactor coupling system and a sewage treatment method. The coupling system comprises a photoelectrocatalysis advanced oxidation system and a suspended filler bio-membrane reactor; the photoelectrocatalysis advanced oxidation system comprises a photoanode, a photocathode, an electrolytic tank, a power supply and a light source; the suspended filler bio-membrane reactor comprises a bio-membrane tank, an aeration device, activated sludge, a porous bio-membrane carrier and coconut shell powder. By coordinating the operation mode of the coupling system, adopting the mode that the photoelectrocatalysis advanced oxidation system is in front of the MBBR and adding the advantages of adsorption, decoloration and microorganism growth and metabolism promotion of the coconut shell powder, the treatment efficiency of pollutants in water can be improved, the photoelectrocatalysis advanced oxidation time can be shortened, and reasonable utilization of energy is achieved. The coupling system also has the characteristics of environmental friendliness, simplicity in operation and suitability for various water bodies.