377 results about "Environmental remediation" patented technology

The invention discloses an environment assessment method and system based on mine ecological restoration, and relates to the technical field of mine ecological restoration management. According to the environment assessment method based on mine ecological restoration, when mine ecology is restored, ecological restoration data are obtained after each restoration stage of a to-be-assessed and restored mine is finished, data analysis is carried out respectively, and a geological environment restoration assessment index, a water quality environment restoration assessment index and a plant environment restoration assessment index are obtained; according to the method, the comprehensive environment restoration evaluation index after each restoration stage is finished is compared and analyzed with the preset comprehensive environment restoration evaluation index threshold value, and the corresponding restoration and remediation measures are taken based on the comparison and analysis result, so that the comprehensive environment restoration evaluation index after each restoration stage is finished is obtained. Therefore, the restoration effect is dynamically monitored, the timeliness in mine ecological restoration is ensured, and the mine ecological restoration effect after each restoration stage is comprehensively evaluated.

The invention relates to the technical field of environmental restoration, in particular to a slow-release material for synergistically restoring heavy metal and organic compound contaminated soil based on modified biochar and microorganisms and an application method thereof.The slow-release material is prepared from, by weight, 50-80 parts of modified biochar, 30-40 parts of sodium alginate, 10-20 parts of gelatin, 5-10 parts of glycerin and 3-5 parts of calcium carbonate. The multi-modified biochar is prepared from, by weight, 300-400 parts of a functional flora mixed solution and 5-10 parts of mixed nutrient elements of glucose, yeast extract and KHPO, and through the synergistic effect of the multi-modified biochar and the functional flora, efficient immobilization (the immobilization rate gt is 60%) of heavy metal (lead, cadmium and chromium) and efficient degradation (the degradation rate gt is 70%) of organic pollutants (polycyclic aromatic hydrocarbon and petroleum hydrocarbon) are achieved.

The invention relates to the technical field of soil image processing, in particular to a vegetation detection method and system for soil environment restoration. According to the method, color features and position distribution features of pixel points are analyzed, a vegetation coverage factor of each superpixel block is obtained, and vegetation coverage blocks are screened out; according to the position distribution of the pixel points in each vegetation coverage block and the chromaticity fluctuation characteristics, the artificial cultivation characteristic degree of each vegetation coverage block is obtained; according to the centroid position and the vegetation coverage factor of each superpixel block, obtaining a vegetation coverage class cluster and a non-vegetation coverage class cluster; and in combination with the relative position between each vegetation coverage block in each non-vegetation coverage class cluster and each vegetation coverage block in the adjacent vegetation coverage class cluster, obtaining the soil remediation vegetation significance of each super-pixel block, and further obtaining the soil remediation weighted significance of each super-pixel block. According to the method, the vegetation characteristics in the soil environment restoration process are accurately analyzed, so that the accuracy of soil environment restoration assessment is improved.

A fungus having manganese oxidation capacity is provided. The fungus can oxidize Mn2+ in a water body into a water-insoluble manganese oxide; and the Mn2+ oxidizing fungus is Cladosporium sp. XM01 strain with the accession number of CGMCC NO. 21083. The Cladosporium sp. XM01 strain is used to oxidize Mn2+ in a natural water body, and has stable operation within a range of room temperature (15-30° C.) and a range of neutral pH (6.0-7.5) and high Mn2+ oxidation efficiency; moreover, the XM01 strain may oxidize Mn2+ cyclically, thereby achieving the in-situ remediation of water bodies or soils polluted by heavy metals or trace organic substances. The manganese oxides generated through oxidization in the growth process of the strain have a good application potential in sewage treatment, water environment restoration, soils and other fields.

The invention belongs to the technical field of environmental restoration and biology, and discloses a modified corncob as well as a preparation method and application thereof. According to the method, a mixed solution of NaOH and acetyl bromide is used for modifying corncobs, lignin in the corncobs is removed through alkalization pretreatment in the modification process, the porosity and the specific surface area of the corncobs are increased, and meanwhile, acetyl bromide is adopted for treatment, so that the adsorption capacity and the immobilization efficiency of the corncobs to microalgae are enhanced. The modified corncob can be crosslinked with an exogenous polymer (EPS) secreted by the microalgae, so that the microalgae can be stably attached and survive for a long time, and the application effect of the corncob in wastewater treatment and ecological restoration is improved. The invention provides an efficient and sustainable biological immobilization technology, provides a new technical path for water pollution treatment and ecological restoration, and has a wide application prospect.

The invention discloses a sludge, bagasse and calcium oxide co-pyrolysis biochar as a soil additive, and a preparation method and application thereof, and belongs to the technical field of environmental restoration. Sludge biochar synergistically modified by bagasse and calcium oxide is used as a soil additive, calcium oxide is introduced for catalytic co-pyrolysis through the synergistic effect of bagasse and calcium oxide, and sludge-bagasse-calcium oxide biochar is prepared; the optimization effect of the sludge-bagasse-calcium oxide biochar in heavy metal contaminated soil remediation is evaluated through heavy metal occurrence form analysis, ecological risk assessment and soil remediation effect experiments. According to the sludge-bagasse-calcium oxide biochar prepared by the method, the fixing capacity of the biochar on heavy metals and the fixing efficiency of the heavy metals in soil are improved, and the physicochemical properties and fertility characteristics of the heavy metal contaminated soil are improved; the characteristics of the sludge-bagasse-calcium oxide biochar for well fixing heavy metals and improving soil properties are exerted, the ecological risk is reduced, the physicochemical properties and fertility characteristics of the soil are improved, and the application of a heavy metal contaminated soil remediation process is optimized.

The invention discloses a mine remediation system and method based on bottom mud regeneration and bamboo medicine symbiosis, and belongs to the technical field of environment remediation and resource recycling, the mine remediation system comprises the following modules: a bottom mud targeted activation module for converting polluted bottom mud into a mine remediation matrix through heavy metal gradient passivation and organic matter directional activation treatment; the bamboo-medicine-shrub-arbor three-dimensional configuration module is used for constructing a bamboo forest layer, a medicine layer and a grass-shrub-arbor composite layer in the restoration area to form multi-layer vegetation configuration; the water and soil joint control module is used for monitoring the soil moisture content, the vegetation growth state and the water and soil loss risk in real time and dynamically regulating and controlling the water and fertilizer conditions through an intelligent algorithm; through targeted activation of the bottom mud, composite planting of bamboo and medicine, three-dimensional configuration of grass, shrub and arbor and dynamic regulation and control of water and fertilizer, cooperative treatment of ecological restoration and resource recycling of the mine is achieved.

The invention provides an environment restoration system based on LNG-ORV cold drained water and fishery breeding. The environment restoration system comprises a reservoir, a seawater electrolysis module, an LNG-ORV gasification device, a central control unit, a multi-stage breeding workshop and a tail water treatment pond. The seawater electrolysis module is connected with the water storage tank, the water storage tank is connected with a water inlet of the LNG-ORV gasification device, a water outlet of the LNG-ORV gasification device is connected with a water inlet of the multi-stage culture workshop through a water inlet pipe, and a water outlet of the multi-stage culture workshop is connected with the tail water treatment tank; the water inlet pipe is provided with a residual chlorine detector and a temperature measurement and control instrument, and the residual chlorine detector, the temperature measurement and control instrument, the seawater electrolysis module and the LNG-ORV gasification device are electrically connected with the central control unit. According to the technical scheme, an LNG cold source is combined with fishery breeding, the cold energy resource of LNG is fully utilized, the breeding cost is reduced, and environment restoration is achieved.

The invention relates to the technical field of environmental remediation, and particularly discloses a soil remediation agent for heavy metal pollution and a preparation method of the soil remediation agent. The soil remediation agent is prepared from 30 to 40 parts of modified biomass charcoal, 15 to 20 parts of chitosan-humic acid composite gel, 5 to 8 parts of arbuscular mycorrhizal fungal spore suspension, 3 to 5 parts of heavy metal-resistant microbial strains, 2 to 3 parts of plant-based nano zero-valent iron, 10 to 15 parts of sodium alginate solution, 1 to 2 parts of compound enzyme preparation and 8 to 12 parts of bio-based calcium carbonate. According to the invention, the adsorption material is prepared from the waste biomass, and a dynamic response remediation system is constructed by combining microbial microencapsulation and multi-component synergistic proportioning, so that efficient fixation of heavy metals, soil ecological protection and remediation cost optimization are realized, and the problems of high reversibility risk, large ecological disturbance, insufficient soil adaptability and the like of a traditional remediation agent are solved.

The invention relates to the technical field of biomass-based semiconductor bifunctional materials and environmental restoration, in particular to a Baijiu vinasse biochar / cerium oxide / cadmium zinc sulfur solid solution heterojunction bifunctional material as well as a preparation method and application of the Baijiu vinasse biochar / cerium oxide / cadmium zinc sulfur solid solution heterojunction bifunctional material. The method comprises the following steps: in an inert atmosphere, carrying out pyrolysis on waste Baijiu vinasse to obtain biochar; the method comprises the following steps: mixing biochar and an activator, and carrying out activation pyrolysis in an inert atmosphere to obtain alkali-activated biochar; the preparation method comprises the following steps: dispersing a cadmium source, a zinc source, thiourea, a surfactant, alkali-activated charcoal and cerium dioxide in a solvent to form a dispersion liquid, and carrying out a heating reaction to obtain the Baijiu vinasse charcoal / cerium oxide / cadmium-zinc-sulfur solid solution heterojunction bifunctional material. The adsorption performance of the material is improved due to the remarkable specific surface area of the alkali-activated biochar component; the construction of the cerium oxide / cadmium zinc sulfur solid solution heterojunction significantly accelerates the migration of photon-generated carriers, endows the material with excellent adsorption-photocatalytic performance, has good reusability, and can remove pesticide pollutants in water.

The invention discloses a portable field screening device for environmental remediation microbial strains, and relates to the field of environmental remediation. The invention relates to a portable field screening device for environmental remediation microbial strains, which comprises a tank body which is a high-strength and light-weight aluminum alloy tank, and further comprises a filter cartridge arranged in the tank body, a filter element arranged in the tank body, and a filter element arranged in the tank body, the driving motor is fixedly connected to the upper end of the tank body; the driving shaft is fixedly connected to the output end of the driving motor; solid-liquid separation of the soil turbid liquid is efficiently completed through a centrifugal and ultrafiltration graded filtration mode, compared with a traditional method, the device has the advantages of being high in portability, high in separation efficiency and good in effect, impurities can be accurately intercepted, microbial losses are reduced, microbial strains with specific functions are rapidly screened for an environment restoration site, a high-quality bacterium-containing liquid sample is provided, and the method is suitable for popularization and application. The efficiency and accuracy of screening of microbial strains in environment restoration work are improved, and efficient development of the environment restoration work is promoted.

The invention relates to a pyrazinyl covalent organic framework material as well as a preparation method and application thereof, 2, 5-dimethylpyrazine and aromatic aldehyde monomers are taken as construction elements, and the pyrazinyl covalent organic framework material connected with two olefins is synthesized through a Knoevenagel reaction. The pyrazinyl covalent organic framework material disclosed by the invention has good chemical stability and full-conjugate skeleton characteristics, shows excellent photocatalytic activity and cycling stability in visible light driven thioether oxidation reaction, and has potential application value in the fields of environmental restoration and green chemistry.

The invention provides a multi-characteristic iron-carbon derivative material for adsorbing and repairing PFAS pollution of a water body as well as a preparation method and application of the multi-characteristic iron-carbon derivative material. The preparation method comprises the following steps: 1, dissolving a ferric salt in N, N-dimethylformamide, adding a ligand terephthalic acid under a stirring condition, and synthesizing a precursor through a solvothermal method; and 2, carrying out heat treatment on the precursor in an inert atmosphere to obtain the multi-characteristic iron-carbon derivative material. The application of the multi-characteristic iron-carbon derivative material in the aspect of environmental restoration comprises the following steps: by taking the multi-characteristic iron-carbon derivative material as an adsorbent, carrying out adsorption purification treatment on a PFAS polluted water body under the assistance of a cationic complexing agent. The multi-characteristic iron-carbon derivative material is synthesized through a solvothermal-thermal treatment two-step method, so that the multi-characteristic iron-carbon derivative material has high hydrophobicity, a two-dimensional-three-dimensional tight interface and magnetism, can quickly remove PFAS with various different structures and carbon chain lengths, can realize material separation within 30 seconds after the PFAS is removed through adsorption, and does not generate secondary pollution.

The invention relates to the cross technical field of industrial solid waste resource utilization and environmental pollution abatement, and discloses a modified fly ash environmental remediation material as well as a preparation method and application thereof. According to the material, industrial solid waste fly ash is used as a raw material, a glass body structure is destroyed through physical or chemical modification treatment, the specific surface area is increased, active functional groups such as surface hydroxyl groups are enriched, and the adsorption and fixation capacity on heavy metal lead (Pb < 2 + >) and cadmium (Cd < 2 + >) is remarkably improved. The chemical modification adopts an acid solution or an alkali solution, and the preparation method comprises the steps of raw material pretreatment, modification reaction, solid-liquid separation and washing, and drying and screening. When the material is applied to heavy metal contaminated soil remediation, heavy metal in an ion exchange state is promoted to be converted into a stable residue state, the bioavailability and the leaching risk of the heavy metal are remarkably reduced, meanwhile, high-added-value resource utilization of the fly ash is achieved, and the material has environmental, economic and social benefits and is suitable for large-scale remediation of Pb and Cd single or combined contaminated soil.

The invention belongs to the technical field of microorganisms, and discloses a novel Burkholderia cepacia HSP-21 capable of dissolving phosphorus and solidifying heavy metals and an application of the novel Burkholderia cepacia HSP-21. The novel burkholderia cepacia disclosed by the invention is Burkholderia cepacia HSP-21, and the preservation number of the novel burkholderia cepacia is CCTCC (China Center for Type Culture Collection) NO: M 20251344; the strain is preserved in China Center for Type Culture Collection on June 12, 2025, and the preservation address is Wuhan University, Wuhan, Hubei, China. The strain disclosed by the invention has relatively strong phosphorus dissolving activity, heavy metal removal capacity and curing effect, and can effectively inhibit migration and transformation of heavy metals, so that long-term stabilization of the heavy metals is realized. The strain can be applied to environmental remediation and heavy metal pollution treatment.

The invention provides colloidal liquid foam and application thereof in removal of heterogeneous aquifer pollutants, and belongs to the technical field of environmental remediation. The colloidal liquid foam raw materials comprise a water-soluble surfactant solution and an oil-soluble surfactant solution, the water-soluble surfactant solution is a sodium dodecyl sulfate solution, and the oil-soluble surfactant solution is an organic solvent of fatty alcohol polyoxyethylene 9 ether. And injecting the colloidal liquid foam into the heterogeneous aquifer heavily polluted by the non-aqueous phase liquid, then extracting the heterogeneous aquifer, and injecting clear water for cleaning so as to remove pollutants in the heterogeneous aquifer. The colloidal liquid foam is suitable for the temperature environment of the aquifer, the removal effect on the heavy non-aqueous phase liquid pollutants is not affected by the types and concentration of inorganic ions, the remediation technology is simple in process, and the removal efficiency on the heavy non-aqueous phase liquid pollutants can reach 99% or above.

The invention relates to a composite ecological filler for enhancing in-situ denitrification of a river water body, a percolation system and application. The composite ecological filler is composed of an anoxic denitrification filler and a transition regulation filler or composed of an aerobic nitrification filler, an anoxic denitrification filler and a transition regulation filler; the aerobic nitrification filler comprises an inorganic mineral matrix denitrification filler, biological ceramsite, a mineral-based slow-release functional material and a microbial immobilization functional carrier; the anoxic denitrification filler comprises a sulfur-based composite electron donor material, a slow-release organic carbon source material, a zero-valent iron-based environmental remediation material and denitrifying bacterium embedding gel; the transition regulation and control filler comprises a multifunctional water treatment filter material, activated carbon and an environment response type functional microbial carrier. The invention also provides application of the composite ecological filler and a percolation system, solves the problem that the traditional denitrification filler cannot cooperatively support nitrification / denitrification due to single function, and also solves the problem that the fixed ratio of the traditional denitrification filler is difficult to adapt to dynamic fluctuation of water quality.

The invention discloses an intelligent environment restoration decision support and training platform, and the platform is characterized in that a data collection module integrates various types of sensors and satellite images, and is provided with a historical restoration case database; the data processing module fuses multi-source data, applies deep learning and reinforcement learning algorithms to predict a pollution trend, optimizes a restoration strategy, and constructs a digital twinborn model. And the decision support module provides interactive strategy comparison and repair scheme recommendation based on the digital twin simulation result. The training module is integrated with an AI coach system by means of VR and AR technologies to carry out immersive practical operation training. And the user feedback module optimizes algorithm parameters through supervised learning. According to the platform, multi-source data fusion, dynamic strategy optimization and virtual-real combined immersive training are realized, and the pollution abatement decision precision and the personnel practical operation skills are effectively improved.

The invention discloses a medium and long term remediation method for plant groundwater pollution, and relates to the technical field of water treatment.The medium and long term remediation method comprises the steps that S1, pollutant concentration data of plant soil and groundwater is obtained, and plant pollution areas are divided; s2, determining a remediation method based on the polluted area of the factory; s3, establishing an underground water migration-reaction coupling model for simulating pollutant diffusion and restoration; s4, based on the groundwater migration-reaction coupling model, simulating to obtain a predicted restoration period and predicted restoration parameters, and then adopting a restoration method and the predicted restoration parameters to restore the groundwater pollution of the factory area; according to the method, a systematic and scientific factory groundwater pollution remediation scheme is provided, the diffusion and remediation process of pollutants can be simulated by establishing the groundwater migration-reaction coupling model, the remediation cost can be reduced as much as possible while the environment remediation effect is guaranteed, and the balance of environmental benefits and economic benefits is achieved.

The invention provides a pretreated biomass charcoal loaded vulcanized nano zero-valent iron material as well as a preparation method and application thereof, and relates to the technical field of environmental functional materials. The preparation method comprises the following steps: firstly, dipping pretreated biomass in phosphoric acid, pyrolyzing, and then ball-milling and crushing to micro-nano scale; then, FeCl3 is used as a precursor, NaBH4 and Na2S2O4 are used as a reducing-vulcanizing agent, and S-nZVI is loaded through a one-step method. The composite modified material has high efficiency in heavy metal pollution in a water body, can simultaneously remove various pollutants, has a wide application prospect, and provides a new efficient material choice for the field of environmental restoration.

The present application relates to the field of garden irrigation, and specifically discloses a garden intelligent monitoring irrigation system for environmental remediation, comprising: an environmental parameter and plant health index monitoring module for real-time monitoring of environmental parameters of each plant in the garden, including soil humidity, light intensity and temperature, and plant health indexes of each plant, including growth conditions, leaf color, and calculating a comprehensive index F of each plant at any time t i (t); the present application realizes efficient and accurate irrigation management through the multiple modules integrated by the system, significantly improves the pertinence and effectiveness of irrigation, the real-time monitoring function of the environmental parameter and plant health index monitoring module enables the system to accurately capture the growth needs of plants and environmental changes, providing a scientific basis for the development of irrigation strategies, the personalized irrigation strategy not only meets the growth needs of plants, but also avoids unnecessary irrigation waste, improving water resource utilization efficiency.

The invention relates to an environment restoration method for purifying underground water through deep well reinjection. The method comprises the steps that 1, hydrogeological parameters and pollutant parameters of an underground water polluted area are obtained; 2, on the basis of the hydrogeological parameters and the pollutant parameters, treating agent parameters are determined, and the treating agent parameters comprise the treating agent type, the reaction rate of a treating agent and pollutants and the total injection amount of the treating agent; 3, a reinjection well for deep well reinjection is constructed in the groundwater polluted area to the communicating aquifer; 4, deep well reinjection of the treating agent is completed; according to the method, the polluted area, the pollutant type and the pollutant space concentration distribution of the underground aquifer are determined through early-stage geological exploration; selecting a corresponding treatment agent based on the pollution source type; the treatment agent is injected into the aquifer through deep well reinjection, and the injection parameters of the treatment agent are controlled through the constructed diffusion model and target function in the injection process, so that the treatment agent is ensured to be uniformly distributed in the aquifer, and the underground water purification efficiency and effect are improved.

The utility model relates to the technical field of water quality detection equipment, and discloses a water quality dynamic data reading device which comprises a water quality dynamic data presentation mechanism, the water quality monitoring mechanism is arranged at one end of the water quality dynamic data presentation mechanism, the water quality dynamic data presentation mechanism comprises a data processing host, a touch screen is arranged at the top end of the data processing host, and the water quality monitoring mechanism comprises three instrument bodies arranged from top to bottom. According to the utility model, each water quality monitoring instrument adopts a long rectangular structural design, and the ammonia nitrogen detection probe, the pH detection probe, the heavy metal content detection probe and the oxygen content detection probe are sequentially arranged on each surface of the outer side of the water quality monitoring instrument body, so that a plurality of water quality parameters of a water body to be monitored can be measured; the water body health condition can be evaluated conveniently, the influence of pollutants can be monitored conveniently, and an environment restoration scheme is formulated finally.

The invention discloses a carbon-deficient wastewater nitrate removal method based on water flow power, and belongs to the technical field of water treatment and environment restoration. According to the method, NO3-containing wastewater flows through a porous medium reactor at a certain flow speed, and contact between water flow and the surface of a filling material is utilized; the method comprises the following steps: by taking NO3 as a raw material, separating and inducing a contact electric effect, generating hydrogen free radicals with strong reducibility in situ, and realizing efficient non-biological reduction by utilizing a chemical reaction of the hydrogen free radicals and NO3 under the condition of not depending on an external carbon source or a chemical reducing agent. The method is mild in reaction condition, can be operated at normal temperature and normal pressure, has the advantages of simplicity and convenience in operation, low cost, no secondary pollution, wide medium source, reusability and the like, and is particularly suitable for NO3 pollution treatment in underground water, agricultural drainage and other carbon source lacking scenes.

The invention discloses an efficient ozone decomposition catalyst suitable for a high-humidity environment and a preparation method and application thereof, and belongs to the technical field of catalytic chemistry and environmental governance. The catalyst is prepared by the following steps: mixing a solution containing a manganese source and a nickel source, adding an alcohol reducing agent for reaction, and calcining the obtained product to obtain metallic nickel doped manganese dioxide; the manganese dioxide doped with the metallic nickel is obtained by acidizing and etching. The ozonolysis catalyst prepared by the method has excellent ozonolysis performance, the preparation method is simple, the specific surface area is large, the water resistance is strong, the long-term stability is good, and the application prospect is wide.

The invention relates to a preparation method of magnetic biochar and a method for cooperatively treating heavy metal pollutants through photocatalysis and adsorption of the magnetic biochar, and belongs to the technical field of environmental remediation. The method comprises the following steps: firstly, carrying out ball milling treatment on submicron ferrotitanium smoke dust through nitric acid solutions with different concentrations, and changing the submicron ferrotitanium smoke dust into nanoscale titaniferous electric furnace ash; then mixing nanoscale titanium-containing electric furnace ash with biomass, performing ultrasonic stirring, ball milling and microwave pyrolysis to generate a pyrolysis product, and performing water washing, ball milling and screening on the pyrolysis product to obtain the magnetic biochar with magnetism, photocatalysis and adsorption performance. The method disclosed by the invention is simple in process flow and can be desorbed and regenerated for use, and the concentration of effluent after photocatalysis-adsorption treatment on nitrate is lower than the national standard. The magnetic biochar can efficiently remove nitrate under different pH conditions of acidity, neutrality, alkalinity and the like, and is suitable for treating pollutants such as nitrate in surface water, underground water, domestic sewage and industrial wastewater.

The invention discloses an application of an aluminum toxicity relieving preparation based on xanthine in environmental remediation, and provides an environmental remediation preparation taking xanthine as a core active component aiming at the problems of plant growth inhibition and ecosystem imbalance in an aluminum polluted environment. Efficient detoxification is realized through double mechanisms of specific chelation with aluminum ions and plant physiological regulation, so that the concentration of the aluminum ions in a water body can be reduced by 48.5%, and aluminum enrichment in a plant body is inhibited; and on the other hand, xanthine obviously reduces accumulation of reactive oxygen species (ROS) induced by aluminum stress by activating a plant anti-oxidation defense system, so that the reproduction rate of the duckweed thalli is increased by 45%, and the biomass is increased by 67%, thereby reversing damage of aluminum toxicity to plant cell structures and metabolic functions. The invention belongs to the technical field of environmental restoration, and particularly relates to application of a xanthine-based aluminum toxicity relieving preparation in environmental restoration.

The utility model discloses an ecological environment restoration device which comprises a connecting frame, a mounting plate and a scraper, the surface of the scraper is in sliding connection with the inner wall of the mounting plate, one end of the connecting frame is fixedly connected with the back face of the mounting plate, a movable plate is arranged at the top of the mounting plate, the bottom of the movable plate is fixedly connected with the top of the scraper, and the scraper is fixedly connected with the mounting plate. Electric cylinders are fixedly connected to the two sides of the top of the mounting plate correspondingly, and the output ends of the electric cylinders are fixedly connected with the two sides of the bottom of the mounting plate. The electric cylinder is arranged, the electric cylinder is started to drive the scraper to retract, the scraper is cleaned by the scraping strip in the upward moving and retracting process, and the problems that a large amount of soil is attached to the surface of the scraper after the scraper is used, the corrosion degree of the scraper in the unused state is improved, and the scraper cannot be damaged are solved. And if the scraper needs to be recycled for cleaning, a user also needs to manually clean the scraper, so that time and labor are wasted, and the auxiliary cleaning effect is achieved.

The invention relates to a soil environment remediation type charcoal-based organic fertilizer and a preparation method thereof, and belongs to the technical field of agricultural resources and environment. The organic fertilizer is prepared by taking charcoal as a core carrier and cooperating with excrement organic matters, a compound microbial agent, an inorganic mineral additive and a nutrition synergistic component through a multi-stage compatibility process. A triple remediation mechanism of gradient temperature pyrolysis modification of biochar, functional synergistic coupling of all components and soil heavy metal passivation-fertility improvement-structure improvement is innovatively designed. Field tests show that the effective-state Cd reduction rate of the product in Cd-polluted soil reaches up to 44.13%, the corn yield is remarkably increased, and meanwhile the use amount of chemical fertilizer is reduced by 20% or above.

This invention relates to the field of environmental remediation technology, specifically providing a method for the synergistic degradation of chlorinated organic pollutants using anaerobic microorganisms and iron-manganese minerals. The method includes the following steps: S1, after deoxygenation, water containing chlorinated organic pollutants is inoculated into a bacterial culture system, and the reaction system is placed in a constant-temperature shaking incubator for anaerobic reaction; S2, iron-manganese minerals are added to the reaction system, and a secondary reaction is carried out under aerobic conditions, thus completing the degradation of chlorinated organic pollutants. This invention significantly improves the overall purification efficiency of complex pollution systems containing chlorinated organic pollutants through an anaerobic-aerobic coupling and a synergistic biodegradation-chemical oxidation strategy, demonstrating promising application prospects.