974 results about "Biotreatment" patented technology

The invention relates to the technical field of river and lake landscape water system purification, and discloses a river and lake landscape water system composite purification system, which comprises a water quality parameter acquisition module, an ecological analysis module, a microbiological treatment module, a multi-stage collaborative purification module, a purification parameter generation module, an authority association module and a dynamic regulation and control module. The water quality parameter acquisition module acquires data in multiple dimensions to quantify the pollution level and trigger a purification instruction; the ecological analysis module evaluates the ecological self-purification capability, and the microbiological treatment module predicts the degradation efficiency; the multi-stage collaborative purification module generates a regulation and control signal in combination with the evaluation value; the purification parameter generation module generates repair and activation parameters accordingly; the permission association module monitors the emission permission of the pollution source; and the dynamic regulation and control module forms a closed-loop purification process. According to the system, through multi-module cooperation and closed-loop regulation and control, accurate recognition of river and lake landscape water system pollution, ecological self-purification capability activation and microbial degradation enhancement are achieved, and the purification efficiency and ecological restoration long-term effect are improved.

The invention relates to the technical field of sewage treatment, in particular to an aerobic aeration treatment system for plateau domestic sewage treatment, which comprises a pretreatment unit, a biological treatment unit, an advanced treatment unit and a recycling unit which are connected in sequence, the system further comprises a data acquisition module, an aerobic aeration intelligent regulation and control module, a biochemical environment constant-temperature maintenance module, a carbon-nitrogen proportion and backflow dynamic regulation and control module, a digital twinning and sludge characteristic simulation module and an energy collaborative scheduling module. Compared with the prior art which adopts a standard aeration strategy and cannot adapt to the special environment of low air pressure and low oxygen partial pressure of the plateau, the system can accurately adapt to the plateau environment by integrating real-time atmospheric pressure and water temperature monitoring, dynamically calculating the oxygen saturation solubility and correcting the aeration control target according to the oxygen saturation solubility, so that the aeration control target is optimized. Stable supply of dissolved oxygen required by biochemical reaction is ensured, and the technical bottleneck of low efficiency of traditional sewage treatment in plateau regions is fundamentally overcome.

The invention provides an intelligent management method and system for reducing pollution and carbon of rural domestic sewage. According to the method, sewage flow velocity, COD concentration, ammonia nitrogen content data, user water use time and detergent use amount are collected, and a database is constructed. And weighting the flow velocity and COD to generate a pollution load evaluation value, and calculating an organic matter pollution influence value in combination with ammonia nitrogen and detergent data. A porous ceramic medium is arranged in the biological treatment device, and the dissolved oxygen concentration is adjusted according to the pollution load. A correlation curve of a COD concentration peak value and water consumption time is established, a prediction model is constructed in combination with dissolved oxygen parameters, the gas injection and reflux ratio is adjusted through graded pressure instructions, and the critical value of dissolved oxygen is maintained. The day and night temperature difference is fused to correct the degradation rate, and the optical detection data is combined to optimize the critical range and the instruction priority, so that the cooperative control of sewage treatment and carbon emission reduction is realized. According to the invention, self-adaptive adjustment of dissolved oxygen in sewage treatment is realized, and the sewage reduction and carbon reduction management efficiency of domestic sewage is improved.

The invention belongs to the technical field of water treatment, and particularly provides a fungus filament bamboo-based biomass composite material and a lead-containing sewage treatment method. According to the invention, the lead-containing sewage is pretreated by using microorganism neurospora crassa, and then the lead-containing sewage is post-treated by using the fungus filament bamboo-based biomass composite material prepared under specific conditions, so that the mildness of microorganism treatment and the efficient adsorbability of the biomass composite material are effectively combined; and finally, the removal rate of heavy metal lead is increased, the cost is low, and environmental friendliness is achieved.

A biological treatment of sewage device and method for realizing advanced nitrogen removal of domestic sewage by half partical nitrification-anammox coupled with sulfur autotrophic denitrification. The device includes a raw water tank, a half partical nitrification reactor, a regulating water tank and an anammox coupled denitrification reactor. The domestic sewage enters the half partical nitrification reactor, a mass concentration ratio of NO2−—N to NH4+—N in effluent water is 1-1.32 through real-time control, and then the effluent water enters the intermediate water tank. After it enters the upflow anammox coupled with autotrophic denitrification granular sludge reactor, the synergistic reaction of anammox and sulfur autotrophic denitrification in the reactor achieves the nitrogen removal. The device and the method improve denitrification efficiency by making full use of the synergistic effect between microorganisms, thereby realizing high-efficiency and energy-saving advanced nitrogen removal of municipal sewage.

The invention provides lepidolite flotation wastewater treatment equipment and a flotation process, and relates to the technical field of wastewater treatment, the lepidolite flotation wastewater treatment equipment comprises a reaction tank, a stirring mechanism, a swing dosing mechanism and a spraying mechanism; the stirring mechanism comprises a mounting frame fixedly arranged at the top of the reaction tank, and a rotating shaft is vertically and rotatably connected to the inner side of the mounting frame. According to the scheme, a ferrous sulfate solution is finally added into the reaction tank through the spraying mechanism, then a diluted H2O2 solution is intermittently fed through the swing medicine feeding mechanism, the H2O2 solution generates strong oxidizing hydroxyl free radicals under the catalysis of the ferrous sulfate solution, and therefore hydrophobic chains and polar groups of residual medicine are destroyed, and the medicine is obtained. The lepidolite metallurgical flotation wastewater is degraded into small molecular organic matters or mineralized into CO2 and H2O, so that the phenomenon that the subsequent coagulating sedimentation or adsorption process is hindered by residual chemicals is avoided, the chemical oxygen demand and toxicity of the wastewater are reduced, the subsequent biological treatment on the wastewater is facilitated, and the treatment effect and efficiency of the lepidolite metallurgical flotation wastewater are effectively improved.

A low-carbon near zero emission process of industrial waste water, comprising: S1: entering industrial waste water into a pre-oxidation system to improve biodegradability of organics; S2: after treatment in the pre-oxidation unit, entering the waste water into an anaerobic biological treatment system, sodium chloride and sulfate is deeply removed and carbon sources in the waste water can be used to remove the sulfate and nitrate; S3: entering water output from the anaerobic biological treatment system into a membrane concentration system and membrane concentrated solution enters a nano-filtration salt fractionation system for salt fractionation; and S4: refluxing nano-filtration concentrate solution generated by the nano-filtration salt fractionation system to the anaerobic biologic treatment system for biological desulfurization, or synthesizing the nano-filtration concentrate solution to be sodium persulfate by electro chemical methods, and refluxing proportionately to a waste water pre-oxidation system for use in-situ.

The invention discloses a system and a method for classified sewage treatment, and belongs to the technical field of environmental engineering and water treatment. The system comprises the following components: an intelligent water quality detection module, which is used for real-time and accurate monitoring of COD, BOD, ammonia nitrogen, total phosphorus, suspended matter concentration and heavy metal content; the sectional bioreactor realizes deep removal of nitrogen and phosphorus and efficient biological treatment by flexibly adjusting reaction conditions of each section; the intelligent flocculation control module is used for automatically and accurately adjusting the adding amount of a flocculating agent, and is combined with integrated operation of efficient inclined tube precipitation and sludge concentration, so that the water quality of discharged water is stable, and the medicament consumption is reduced; the ultrafiltration membrane bioreactor effectively removes residual suspended matters and colloids, and ensures that the effluent stably reaches the standard for a long time through the synergistic effect of catalytic ozonation; and the sludge treatment module is used for realizing collaborative optimization management of sludge reduction, recycling and energy recycling.

The invention discloses a complex microbial inoculant for treating underground water as well as a preparation method and application thereof, relates to the field of sewage treatment, and aims to solve the problem that TBBPA and nitrate in underground water are difficult to remove at the same time in an existing biological treatment method. The composite microbial agent is prepared from pseudomonas koreensis Y5-11, acinetobacter pidermatum LYS-5, Pseudomonas sp. Y39-6 and psychrophilic bacteria F5-6, and the pseudomonas sp. Y5-11, the acinetobacter pidermatum LYS-5, the Pseudomonas sp. Y39-6, the psychrophilic bacteria F5-6 and the psychrophilic bacteria F5-6 are added into the microbial agent. The four strains are respectively subjected to fermentation culture, and the four fermentation liquids are mixed to prepare the complex microbial inoculant. The four bacteria in the complex microbial inoculant have a stronger metabolism complementation effect, and the effect on composite pollution remediation is more remarkable. The complex microbial inoculant is used for removing TBBPA and nitrate in underground water at the same time, the complex microbial inoculant has biodiversity, and the treatment result conforms to the water quality characteristics of the underground water.

The invention discloses a polluted water body online monitoring method and device for sewage treatment, and particularly relates to the technical field of sewage treatment monitoring. Monitoring equipment is deployed in a sewage pretreatment stage, a physical and chemical treatment stage, a biological treatment stage, an advanced treatment stage and a discharge stage and used for monitoring characteristic parameters of a polluted water body; an intelligent regulation and control instruction is generated by analyzing monitoring data of each stage, and processing process parameters are dynamically adjusted, so that process optimization is realized; according to the method, a data monitoring stability coefficient and a comprehensive pollution over-limit coefficient are calculated, a sewage treatment monitoring quality index is calculated in combination with an intelligent regulation and control reliability coefficient and a data monitoring reliability coefficient, and a method for quantitatively evaluating a monitoring effect is provided; by collecting process data in a sewage treatment log and combining with a monitoring result, the monitoring effect standard-reaching rate is dynamically updated, and a'monitoring-regulation-evaluation-optimization 'closed loop is formed.

The invention belongs to the technical field of wastewater treatment, and particularly relates to an activated sludge water treatment system and method.The activated sludge water treatment system comprises a contact oxidation pond, an intelligent filter and a control system, a microbiological treatment system comprises a microbiological community monitoring module and a microbiological regulation and control module, and the microbiological community monitoring module comprises a high-throughput sequencing analysis unit and an early warning trigger unit. The early warning trigger unit comprises an early warning data receiver and an alarm. The microbial regulation and control module comprises a microbial data collection unit and a microbial agent adding unit. The microbial agent adding unit comprises a microbial agent storage tank, a microbial agent blending module and an adding and conveying module. According to the activated sludge water treatment system provided by the invention, the high-throughput sequencing analysis unit, the early warning trigger unit, the microbial data collection unit and the microbial agent adding unit work cooperatively, so that the whole-process intelligent management from real-time monitoring of microbial communities, imbalance early warning to precise regulation and control is realized, and the water environment quality is improved.

The invention discloses a method for recovering phosphorus through anaerobic digestion by adding sludge-based biochar, which comprises the following steps of: firing dewatered sludge serving as a raw material under an anaerobic condition to obtain carbonized carbon; or firing under an aerobic condition to obtain pyrolytic carbon, adding any sludge-based biochar obtained by firing into the hydrothermal dewatered sludge, and carrying out anaerobic digestion on the hydrothermal dewatered sludge; the hydrothermal dewatered sludge is obtained by performing hydrothermal pretreatment on dewatered sludge; and carrying out phosphorus recovery on the sludge-based biochar subjected to anaerobic digestion by utilizing a magnetic separation method. Compared with the traditional method for recovering the phosphate fertilizer from the sludge incineration ash, the recovery method disclosed by the invention is green and pollution-free, belongs to a sludge treatment mode of treating waste with waste, realizes effective combination of a heat treatment mode and a biological treatment mode, and has a good practical application value. Moreover, the prepared sludge-based biochar has the property of magnetism, so that the recovery rate of the subsequent blue iron ore is increased, and the separation difficulty and economic investment are reduced.

The invention relates to the field of sludge circulation treatment, in particular to a sludge circulation treatment method capable of reducing pollution and carbon. The sludge circulation treatment method capable of reducing pollution and carbon comprises the following treatment steps: S1, sludge disintegration: selecting a sludge sample in sewage, and screening out dominant bacteria and reproduction conditions; s2, anaerobic digestion treatment: adding the screened strains into a sludge anaerobic digestion device for anaerobic digestion treatment; s3, sewage treatment: conveying the sewage subjected to anaerobic digestion treatment into a sewage treatment device, and selecting organic matters dissolved out of sludge in the step of anaerobic digestion treatment as a denitrification carbon source for biological treatment. According to the present invention, the sludge digestion innovative process is adopted, the original anaerobic reaction process in the sewage process is utilized, the decomposition and acidification effects on the biochemical excess sludge are enhanced, the methanogenesis reaction is inhibited through the internal ammonia nitrogen, the dissolution acid production efficiency is improved, the reaction time is shortened, and the on-site resource utilization of the sludge is achieved.

The invention provides a microbial sample automatic treatment system and a treatment method, and belongs to the technical field of microbial treatment. The automatic microorganism sample treatment system comprises a workbench, a pushing device arranged on the workbench, a loading rotary table and a flow rotary table, the loading rotary table and the flow rotary table are rotationally arranged on the workbench, a vessel cover loading position and a loader loading position are arranged on the loading rotary table, and a loader bearing position and a vessel cover bearing position are arranged on the flow rotary table. The workbench is further provided with a cover opening module, a lineation module and a cover closing moving module which are sequentially arranged in the rotating direction of the assembly line rotating disc, the cover opening module is used for taking away old vessel covers of the loaders located at the loader bearing position, and the cover closing moving module is used for covering the inoculated loaders with new vessel covers located at the vessel cover bearing position; and the new vessel cover is clamped with the loader. The whole system is reasonable in layout and stable and reliable in working process.

The invention relates to the technical field of industrial wastewater treatment, and discloses a modular industrial wastewater intelligent purification treatment system which comprises a sensor monitoring module, an intelligent analysis module, a modular treatment module, an automatic control module and a resource recovery module, the sensor detection module comprises a PH sensor, a turbidity sensor, a dissolved oxygen sensor, a heavy metal sensor and an ammonia nitrogen sensor, the intelligent analysis module comprises a pollutant identification module and a dynamic adjustment process module, and the modular treatment module comprises a physical treatment module, a chemical treatment module and a biological treatment module. The modularized intelligent purification treatment system for industrial wastewater can be rapidly and accurately adjusted according to real-time changes of sewage components, compared with a traditional immobilization process, waste of resources is avoided, the treatment efficiency is remarkably improved, meanwhile, multiple treatment technologies such as physical treatment, chemical treatment, biological treatment, adsorption and disinfection are integrated, and the system is suitable for popularization and application. And the device has strong treatment capacity on combined pollution and emerging pollutants.

The invention discloses a sewage treatment process for organic wastewater, and belongs to the field of sewage treatment.The sewage treatment process comprises the following steps that S1, wastewater containing nitrogen-containing organic phosphonic acid metal complexes is pumped into a dielectric barrier discharge reactor, and P-C bond energy is reduced through high-energy electron bombardment; s2, adding a modified layered metal hydroxide containing interlayer co-intercalation carbon quantum dots and persulfate and a composite oxidant of aspergillus niger immobilized microspheres into the wastewater subjected to plasma treatment; s3, deeply adsorbing heavy metal ions in the wastewater subjected to composite oxidation treatment in a gradient magnetic field by utilizing a magnetic layered metal hydroxide material; s4, the wastewater subjected to magnetic adsorption sequentially passes through an anaerobic ammonia oxidation coupling reactor and an aerobic biological membrane-activated sludge system to degrade pollutants; s5, dephosphorizing the wastewater subjected to biological treatment by algae by adopting a layered immobilized phycomycete symbiotic system; and S6, tail end magnetic recovery and effluent disinfection. The invention aims to solve the problems of low decomplexing efficiency and halfway decomplexing in the prior art.

The invention relates to the technical field of sewage treatment, in particular to low-dissolved-oxygen sewage microbiological treatment equipment which comprises a water storage barrel, a conveying mechanism is mounted on the water storage barrel, a treatment mechanism is mounted on the conveying mechanism, a cleaning mechanism is mounted at the bottom of the water storage barrel, and a discharging mechanism is mounted on the cleaning mechanism; through installation of the conveying mechanism and the treatment mechanism, sewage needing to be treated can be conveyed into the water storage barrel to be treated, purification treatment is conducted through the treatment mechanism, the treatment mechanism drives the filtering mechanism to rotate continuously, sewage entering the water storage barrel can be treated and filtered, and under driving of the treatment mechanism, sewage treatment is facilitated. The cleaning mechanism scrapes and compresses sediments at the bottom of the water storage barrel, the compressed sediments can be pushed out and cleaned through the discharging mechanism, cleaning after sewage of the water storage barrel is completely discharged is not needed, and operation is convenient, fast and efficient.

The invention discloses an air blower optimization control system and method for waste water treatment, and relates to the technical field of waste water treatment.The method comprises the steps that predetermined waste water indexes are read, feature collection is conducted on target waste water, and target waste water feature information is obtained; taking the target wastewater characteristic information as input information of a dissolved oxygen demand prediction model to obtain a target demand dissolved oxygen concentration; reading a predetermined aeration index, and analyzing the predetermined aeration index to obtain a target aeration control space; introducing a predetermined control fitness function as an optimization evaluation strategy, and performing global optimization in the target aeration control space by taking the target demand dissolved oxygen concentration as an optimization constraint to obtain an optimal aeration control scheme; and performing energy-saving aeration treatment on the target blower of the target wastewater according to the optimal aeration control scheme. The technical problems of low treatment efficiency and serious energy consumption during biological treatment of wastewater in the prior art are solved, and the technical effects of efficient wastewater treatment and remarkable energy conservation are achieved.

The invention discloses a water pollution treatment method which comprises the following steps: pretreating a polluted water body, and removing larger particle pollutants from the source; biological treatment, wherein organic pollutants and heavy metal pollutants are removed through the combined action of a biological composite microbial agent and an adsorbent; ecological restoration: through the configuration of aquatic plants and organisms, heavy metal pollution and the like are further removed, and the ecological environment is improved for a long time; underground water treatment: underground water pollution is prevented from entering the downstream through interception and adsorption of an underground water permeation wall, and a three-dimensional treatment effect is achieved; and circular treatment, wherein the treatment effect is further improved through a circular treatment method of reflux dilution. According to special geological and hydrological conditions of the karst region in Guizhou, efficient removal of heavy metal and agricultural non-point source pollutants is achieved through a multi-means synergistic effect, the method has the advantages of being high in adaptability, low in cost, environmentally friendly and the like, guidance is provided for water pollution treatment in similar regions, and the method has high practical application value.

The invention relates to the technical field of water pollution treatment equipment, and discloses glyphosate production sewage treatment equipment based on biological treatment.The glyphosate production sewage treatment equipment based on biological treatment.The glyphosate production sewage treatment equipment based on biological treatment.The glyphosate production sewage treatment equipment based on biological treatmentcomprises a treatment tank, a water distributor fixedly arranged at the top of an inner cavity of the treatment tank and a supporting ring rotationally arranged in the middle of the inner cavity of the treatment tank; a water outlet is formed in one side of the bottom of the treatment tank in a communicating manner, a biological membrane is mounted on the inner side of the supporting ring, and iron particles are mounted in the biological membrane in an embedded manner; the response characteristic that iron particles are embedded in an elastic biological membrane is utilized, local deformation of the biological membrane is induced through attraction of an electromagnet, membrane holes generate a stretching effect, blocking substances such as colloidal substances and flocculates attached to the membrane holes are effectively loosened and stripped, and the blocking substances are effectively removed by combining rotation of the biological membrane and dynamic cleaning of the water spraying assembly. The double blockage removal mechanism of physical deformation and hydraulic scouring is achieved, and compared with a traditional static cleaning mode, the blockage removal efficiency is higher.

The invention provides a printing and dyeing wastewater concentration method and system, and the method comprises the steps: carrying out pretreatment on desizing wastewater, so that suspended particles and colloidal impurities in the wastewater are intercepted and adsorbed by a filtering medium; carrying out buffering and flow regulation on the pretreated wastewater, and meanwhile, carrying out heat exchange on hot condensate water generated in the printing and dyeing production process and the pretreated wastewater; raising the temperature of the wastewater to 40 DEG C or above; pressurizing the heated wastewater and then carrying out membrane separation and concentration treatment, forming dialysate by micromolecular substances and part of water, and gradually accumulating intercepted macromolecular substances to form concentrated solution; when the concentration of the concentrated solution reaches the discharge standard, pollutants are treated by adopting a chemical precipitation method and a biological treatment method, or useful substances are recycled. The wastewater concentration process flow is optimized, the wastewater is filtered, intercepted and adsorbed through multiple media, a good water inlet condition is provided for concentration treatment, modified starch and PVA in the wastewater are effectively concentrated, and the follow-up treatment volume and difficulty are reduced.

The application discloses a kind of high efficiency integrated integrated sewage treatment device, it is related to sewage treatment technical field, including support, further including fixed installation on support sedimentation filter unit, anaerobic treatment unit, microbial treatment unit, chemical treatment unit and pH adjustment unit.The advantages are: the present application integrates sedimentation filtration, anaerobic treatment, microbial treatment, chemical treatment and pH adjustment, realizes integrated sewage treatment, saves space, is convenient for transportation, can efficiently remove pollutants in water, simultaneously using multi-angle water distribution and multiple types of water distribution mode for sewage distribution, not only can make sewage and sludge layer contact more fully, but also can disturb sludge layer, make sludge layer distribution more uniform, to improve sewage treatment quality.

The invention belongs to the technical field of sewage treatment, and particularly discloses a method for recycling nitrate radicals by treating high-salinity wastewater through electroactive microorganisms, a microbial electrolysis cell three-electrode single-chamber system is adopted, high-salinity wastewater is used for domesticating and culturing a biological membrane, and the biological membrane has a good nitrate removal effect on nitrate wastewater with the salinity of 1%-3% and can be used for recycling nitrate radicals. For nitrate wastewater with the salinity of 1%-2%, nitrogen can be partially recovered in the form of ammonia, the defect that energy consumption is high when ammonia nitrogen resources are recovered from nitrate wastewater is overcome, the high nitrate removal rate is guaranteed, and meanwhile the defect that nitrate is difficult to recover from high-salinity wastewater is overcome.

The present invention relates to the technical field of microalgae cultivation, and in particular to a circulating water system efficient microalgae cultivation device, comprising an electrocatalytic reactor for treating harmful substances in aquaculture tail water, and a breeding raceway pool for expanding the cultivation of microalgae, a biological treatment unit for preliminary cultivation of microalgae is arranged on one side of the electrocatalytic reactor, and the biological treatment unit comprises a bioreactor 1, a bioreactor 2 and a bioreactor 3 arranged in sequence, and the cross section of the bioreactor 1 is set to be conical and made of plastic. The present invention can achieve the degradation of harmful substances in aquaculture wastewater, and then use the degraded tail water to cultivate microalgae, thereby realizing the recycling of nutrients, which can not only stabilize the aquaculture water quality, but also form a closed-loop circulation of aquaculture water, avoiding the situation where the tolerance of microalgae to high concentrations of harmful substances is limited due to the complex types of pollutants in the aquaculture tail water, thereby affecting its normal growth and purification efficiency.

The invention relates to the technical field of wastewater treatment, in particular to a multistage treatment wastewater treatment device which comprises a bottom plate and the like, a pretreatment box, a chemical treatment box and a biological treatment box are arranged on the bottom plate, the pretreatment box is mounted on the top surface of the bottom plate through a support frame, and the upper part of the pretreatment box is communicated with a water inlet pipe and a first electromagnetic valve; the lower portion of the pretreatment box is communicated with the chemical treatment box through a first conveying pipe and a second electromagnetic valve, the chemical treatment box is communicated with the biological treatment box through a second conveying pipe and a first water pump, and a filter plate is fixedly connected to the middle of the pretreatment box. The biological treatment device is provided with components such as the heat conduction assembly, heat exchange is carried out between the heat conduction assembly and wastewater in the pretreatment box, so that the temperature of the wastewater is increased to the optimal temperature in chemical treatment, and the subsequent chemical reaction effect can be enhanced; the temperature of the wastewater is reduced, so that the optimal temperature for biological treatment is achieved, and the biodegradation efficiency is improved.

The invention discloses an efficient biological treatment device for landfill leachate by utilizing aerobic biological treatment, and relates to the technical field of biological treatment of garbage wastewater. The landfill leachate high-efficiency biological treatment device utilizing aerobic biological treatment comprises a reaction tank, the top of the reaction tank is fixedly connected with an impurity collecting tank, and the surface of the impurity collecting tank is fixedly connected with a filtering and separating box body. According to the high-efficiency biological treatment device for the landfill leachate by utilizing aerobic biological treatment, multiple groups of second spoilers and first spoilers are arranged on the surface of a first fixed block, and a second rotating shaft and a third rotating shaft are driven to rotate by starting a double-head motor, so that oxygen can be better diffused to each corner of the leachate; the condition of local oxygen deficit or oxygen enrichment is avoided, and it is ensured that aerobic microorganisms can obtain enough oxygen for metabolic activity in the whole treatment area, so that the treatment efficiency of the landfill leachate is improved.

The invention provides an efficient treatment method and system for traditional Chinese medicine decoction piece wastewater, and belongs to the technical field of wastewater treatment.The efficient treatment method for the traditional Chinese medicine decoction piece wastewater comprises the steps of (1) pretreatment, (2) coagulating sedimentation, (3) pre-acidification, (4) UASB anaerobic reaction, (5) SBR aerobic treatment, (6) catalytic ozonation, (7) deep filtration and disinfection, (8) sludge treatment and (9) intelligent control. The traditional Chinese medicine decoction piece wastewater treatment system comprises a pretreatment module, a physicochemical treatment module, a biological treatment module, a sludge treatment module and an intelligent control module. Through integration of physical, chemical and biological treatment technologies, organic matters, suspended matters and chromaticity in wastewater are effectively removed, and the overall treatment efficiency and the system stability are improved; the sludge and the traditional Chinese medicine waste residues are mixed to prepare biomass fuel, waste recycling is achieved, meanwhile, biogas is recycled for power generation, energy consumption is reduced, and a'treatment-energy-resource 'closed loop is formed.

The invention relates to the technical field of wastewater treatment, in particular to a comprehensive treatment device and method for selenium-containing wastewater. The device comprises a treatment tank, a tank cover, a treatment disc and a water quality detector, is equipped with a stirring assembly, an impurity removal assembly, a lifting assembly and the like, and is cooperatively controlled through a driving assembly. The air filtering holes of the treatment disc have the functions of filtering and aerating, and the whole process of physical impurity removal, chemical regulation and control, biological treatment and adsorption fine treatment is realized by combining precipitation and injection components and a feeding and air inlet system. According to the method, the selenium form is unified through valence regulation and control, chemical precipitation is enhanced, biological treatment and activated carbon adsorption deep purification are combined, and finally the selenium concentration reaches the standard. Through an automatic monitoring and circulating treatment mechanism, parameters of each stage are accurately controlled, stable and reliable effluent quality is ensured, and the method is suitable for efficient treatment of selenium pollutants in different forms.

The invention discloses a livestock and poultry breeding wastewater treatment device based on a dynamic bacterial-algae biological membrane and a method and application thereof, and relates to the field of livestock and poultry breeding tail water treatment. According to the biological treatment membrane bed unit, biological treatment and evaporation processes are creatively combined, and the system stability and the wastewater purification efficiency are remarkably improved. The unit is high in environmental adaptability and free of emission and peculiar smell during operation, the wastewater volume is effectively reduced, and the limitation of resource utilization of aquaculture wastewater is broken through. The biological membrane contains a plurality of microorganisms, including high-efficiency microorganisms added at the early stage and microorganisms captured from the environment, so that the operation and maintenance cost of equipment is reduced. Microalgae cells grow in the form of a biological membrane and are easy and convenient to harvest, and automatic continuous production is realized. According to the technology, organic waste in the breeding wastewater is recycled, the product is widely applied to multiple fields, the biological carbon sequestration function is achieved, and the carbon trapping device is low in cost, high in output value, green and environmentally friendly and assists in constructing a sustainable technical system and a circular economy mode.

The invention relates to the technical field of energy conservation and environmental protection, and particularly discloses a sewage treatment system for an alpine region and an operation method. Comprising a pretreatment unit, a biological treatment unit and a tail end treatment unit which are sequentially communicated and arranged in a heat preservation area, the pretreatment unit comprises three sections of grating tanks and three sections of grit chambers, and is used for intercepting solid impurities and inorganic particles in sewage step by step; the biological treatment unit consists of a three-section anaerobic tank, a three-section anoxic tank and a three-section aerobic tank, and degradation of organic matters is realized through segmented treatment of the three-section anaerobic tank, the three-section anoxic tank and the three-section aerobic tank; the tail end treatment unit comprises a three-section sedimentation tank, a three-section filter tank and a disinfection tank and is used for solid-liquid separation, filtration and disinfection; a heat preservation structure is further arranged at the top of the heat preservation area and at least comprises an overburden layer and a heat preservation layer; the heat preservation structure does not need an external heat source, energy consumption can be reduced, and operation cost is saved.