428 results about "Environmental remediation" patented technology

The invention discloses a soil sampling device for environmental remediation, belongs to the technical field of environmental remediation, and aims to solve the problems that a spiral blade can destroy the in-situ structure and hierarchy of soil and influence the accuracy of a result, and broken stones on the surface layer of the soil can damage a spiral conveying blade. The soil sampling device comprises a shell, a handle is fixedly connected to the side wall of the shell, a first motor is fixedly connected to the top end in the shell, a threaded rod is rotatably arranged on the shell, one end of the threaded rod penetrates into the shell and is fixedly connected with the output end of the first motor, and a support sleeves the outer side of the threaded rod. According to the soil sampling device, gravel on the surface layer of soil can be cleaned, abrasion of the gravel to a drill bit is avoided, the service life of the sampling device is prolonged, meanwhile, soil of various depths can be sampled, the sampling amount of soil samples is ensured, and follow-up workers can conveniently and accurately detect specific components of the soil.

The invention discloses a coal-based solid waste ecological restoration material and a preparation method thereof. The preparation method comprises the following steps: mixing coal gangue powder with a cementing material, a mineral activator and a physical pore-forming foam body, and curing to prepare a porous sandy soil matrix; and uniformly mixing the prepared porous sandy soil matrix with coal slime and a complex microbial inoculant, and performing fermentation and precipitation to obtain the coal-based solid waste ecological restoration material. Due to the addition of the cementing material, the strength of a sandy soil matrix framework is enhanced, collapse of pore channels in the crushing process is reduced, and the water retention and air permeability of the material are improved. Compared with traditional aluminum powder chemical foaming and strong acid foaming, the physical foaming technology adopted by the invention improves the operation safety while reducing the cost, and facilitates standardized production. Nutrient elements in the ecological restoration material can be fully released through the activation effect of the bacterium-fungus complex microbial inoculant. The ecological restoration material can be applied to environmental restoration fields such as mine soil restoration and land reclamation.

The invention relates to the technical field of environmental remediation, and discloses a biochemical synergistic remediation method for heavy metal contaminated soil, which comprises the following steps: S1, sampling the heavy metal contaminated soil, and analyzing the type, concentration and occurrence form of heavy metals of the heavy metal contaminated soil; s2, extracting active ingredients of polyphenols, organic acids or alkaloids from the plant materials; s3, applying a plant source activating agent to regulate the chemical form of the heavy metal in the soil and promote the activation of the heavy metal; s4, inoculating a functional microbial agent to enhance the heavy metal immobilization, transformation and phytoremediation capabilities; s5, planting hyperaccumulators, and cooperatively using the plant extract, the plant source activator and the microbial agent; s6, plant residue treatment and soil improvement. Through the synergistic effect of the plant extract, the plant source activator, the microbial agent and the hyperaccumulator, the plant source activator, the microbial agent and the hyperaccumulator can jointly act on the heavy metal contaminated soil from multiple ways, and chelating, activating, degrading and fixing of heavy metal are rapidly achieved.

The invention provides an ionic type rare earth tailing restoration method, and relates to the technical field of environment restoration. Through soil improvement, local dominant plant planting and rhizosphere growth-promoting bacteria reinforcement, the heavy metal content, acidity and soil fertility of the rare earth tailing area are improved, soil with reduced heavy metal content, reduced acidity and increased fertility is obtained, continuous growth of arbor-shrub-grass three-layer dominant plants on the rare earth tailing area is promoted, and the yield of the arbor-shrub-grass three-layer dominant plants is increased. And finally, effective repair of the rare earth tailings is realized.

The invention relates to the field of environmental remediation, and discloses a remediation method for high-concentration organic pollutants in soil, which comprises the following steps: firstly, injecting a nano zero-valent iron (nZVI) suspension into the contaminated soil for chemical reduction treatment, then adding sodium persulfate for oxidation treatment, and then adding a nano zero-valent iron (nZVI) suspension into the contaminated soil; the complex organic pollutants are converted into biodegradable intermediate products; then, two-stage microbial communities are introduced in sequence, the first-stage microbial community is used for degrading alcohol and ketone intermediate products, the second-stage microbial community is used for degrading organic acid intermediate products, and thorough mineralization of pollutants is achieved. According to the method, the pollutant degradation rate and the final removal effect can be remarkably improved, and the method is suitable for treatment scenes of various high-concentration organic pollutants and has high adaptability and economic benefits.

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 a method and system for recycling CL-20 in strong acid waste liquid through macroporous adsorption resin, and belongs to the technical field of environmental remediation. The method comprises the steps that the macroporous adsorption resin is added into the strong acid waste liquid containing CL-20, and an adsorption reaction is conducted under set conditions; after the adsorption is completed, separating the resin saturated by adsorption from the waste liquid, and treating the resin saturated by adsorption by utilizing a desorption agent; putting the desorbed resin into the waste liquid containing CL-20 again for adsorption, and repeating adsorption-desorption; and treating the solution containing CL-20 obtained by adsorption-desorption to obtain a CL-20 solid. According to the method disclosed by the invention, the CL-20 adsorption rate can reach 97% or above under the condition that the adding amount of the resin is 10g / L, the concentration of the CL-20 in ethyl acetate after three times of circulation can reach 2.60 g / L, the content of the CL-20 in the finally recovered solid is 37.87%, and the total recovery rate reaches 58.25%. The invention provides an efficient, economic and environment-friendly CL-20 recovery method, the treatment problem of the CL-20-containing strong acid waste liquid can be effectively solved, and meanwhile, the recycling of valuable chemicals is realized.

The invention relates to the technical field of sewage aeration, in particular to an aeration and sewage purification device for water environment remediation, which comprises a floating unit, the floating unit comprises a floating body, a floating cylinder and a recycling cylinder, the floating cylinder and the recycling cylinder are coaxially arranged in the floating body, and the recycling cylinder is mounted in the floating cylinder; the aeration unit comprises a connecting cylinder, an extension pipe and an air pipe, a second water inlet pipe is fixedly connected between the connecting cylinder and the floating cylinder, the extension pipe is communicated with the interior of the connecting cylinder, one end of the air pipe penetrates through the floating cylinder and is located in the connecting cylinder, and the other end of the air pipe is externally connected with an air source; the power unit comprises a sealing cylinder, a first water inlet pipe, a motor and a connecting piece, a conveying paddle is rotatably installed in the first water inlet pipe, and the conveying paddle is in transmission connection with the output end of the motor. The process of transferring oxygen from a gas phase to a liquid phase is accelerated, the increase of the content of dissolved oxygen in a water body is accelerated, and the survival of aquatic organisms and the improvement of water quality are facilitated.

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 comprehensive restoration and treatment device and method for the ecological environment of a river channel. The problems that in the prior art, the efficiency of artificial laying of fish nests for restoring the ecological environment of the river channel is low, and the single-row efficiency of a treatment mode is low are solved. The comprehensive restoration and treatment device for the ecological environment of the river channel comprises a floating supporting body, a floating type collecting mechanism and an artificial fish nest mechanism which are modularly arranged are arranged on the floating supporting body, the floating type collecting mechanism is located on one side of the floating supporting body, and the artificial fish nest mechanism is located on the other side of the floating supporting body. The comprehensive restoration and treatment device can be used for mechanically collecting floating objects in a river water area and quickly collecting and releasing artificial fish nests; floating garbage, duckweed and the like are actively collected in a feeding mode through the floating type collecting mechanism, and the water area treatment efficiency is improved; the artificial fish nest mechanism is used for prefabricating the artificial fish nest and quickly collecting and releasing the fish nest, so that the laying efficiency of the artificial fish nest is improved; the two treatment modes can be carried out synchronously and can also be used independently, the two treatment modes are parallel, the river water environment treatment modes are enriched, and the river water area treatment efficiency is 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 utility model relates to the technical field of ecological environment restoration, and discloses an ecological environment restoration device, including a trolley, a soil loosening component, a medicine component, and a medicine injection device, wherein the soil loosening component is arranged on the surface of the trolley, and the medicine component is arranged on the surface of the trolley. The ecological environment restoration device drives the second motor to rotate the fixed column, and drives the first motor to move the fixed column downward. During the process, the spring will be stretched so that the conical block blocks the water outlet at the bottom of the fixed column to prevent the water outlet from being blocked by soil. When the fixed column enters a certain depth in the soil, the first motor is driven to move the fixed column upward by one end. Under the action of the spring, the conical block will generate one end distance between the fixed column, and then the medicine is introduced into the top of the fixed column through the collecting hopper, and the medicine on the top of the fixed column is discharged from the bottom of the fixed column through the water outlet, which can reduce the volatilization of the medicine and achieve good soil restoration effect.