566 results about "Pollution soil" patented technology

The invention relates to the technical field of soil pollution identification, and discloses a soil heavy metal pollution identification system. A multispectral remote sensing sensing module of the system obtains surface reflectance data and soil in-situ spectral data through a satellite load and a vehicle-mounted mobile platform respectively, and the surface reflectance data and the soil in-situ spectral data are processed by a heterogeneous data fusion gateway to generate multiband spectral response signals. In the pollution risk assessment module, a spatial distribution analysis unit outputs a heavy metal spatial distribution map, a migration risk prediction unit generates a pollution migration probability cloud map in combination with meteorological and hydrological data, and a pollution threshold defining unit outputs a soil remediation safety threshold. In the treatment decision execution module, an in-situ remediation execution unit adjusts passivator injection parameters, a pollution source management and control unit regulates pollution source blocking equipment and collects monitoring signals, and a three-dimensional dynamic early warning platform generates a comprehensive pollution risk index. According to the system, the cooperative operation of soil heavy metal pollution identification, evaluation and treatment is realized.

The invention relates to the technical field of soil monitoring, in particular to a soil-groundwater pollution risk threshold dynamic adjustment method and system based on an environment model, and the method comprises the steps: collecting soil and groundwater monitoring data, constructing an environment model containing the soil pollution concentration, the groundwater pollution concentration and the pollutant migration rate, obtaining comprehensive pollution characteristic data, extracting main characteristics, and determining the contribution degree of each characteristic to risk assessment; calculating the initial weight of each feature according to the contribution degree, and obtaining a weight distribution scheme; calculating pollution risk values of the soil and the underground water in combination with the pollution load data and the weight values, and preliminarily setting a risk threshold value; monitoring pollutant concentration fluctuation data in real time, predicting a pollutant migration trend through a time sequence analysis algorithm, and obtaining a risk change prediction result; and combining the risk change prediction result and the environmental capacity constraint optimization risk threshold to obtain a dynamically adjusted risk threshold. According to the invention, accurate extraction of pollution characteristics and dynamic adjustment of weights are realized.

The invention provides a chemical restoration method for treating heavy metal-polluted terrain soil by ferromagnetic artificial nucleuses. In a ferromagnetic artificial nucleus soil restoration method, the ferromagnetic artificial nucleuses are applied to heavy metal-polluted soil; soil above a heavy metal pollution depth is overturned by cultivation equipment to uniformly mix with the ferromagnetic artificial nucleuses; and after heavy metal can be dispersed from the soil to the artificial nucleuses by a period of time, the soil containing the artificial nucleuses is overturned by using the cultivation equipment to increase the change of the artificial nucleuses contacting with other soil. After the soil overturning procedure is repeated by multiple times, the cultivation equipment provided with magnets can be used for separating the ferromagnetic artificial nucleuses, absorbed with the heavy metal, from the polluted soil; and the content of the heavy metal of the polluted soil is reduced due to shifting-out of the ferromagnetic artificial nucleuses, so that the purpose of soil restoration is gradually achieved.

The invention discloses a method and a device for treating soil heavy metal pollutants by an electroosmosis technology, and relates to the technical field of soil pollution treatment and remediation, and the method comprises the following steps: constructing an electroosmosis system, a liquid injection system and a pumping drainage system; liquid injection and pumping drainage are conducted, electroosmosis enhancer liquid medicine is injected into the soil, and meanwhile the liquid is pumped drainage till the concentration of the electroosmosis enhancer in the pumped drainage liquid reaches the preset requirement; soaking and electroosmosis are carried out; sampling detection is conducted, and liquid pumping sampling is conducted on the soil in the to-be-treated area till the pollutant residual concentration meets the preset requirement; water injection and pumping drainage are conducted, clear water is injected into the soil, meanwhile, liquid is pumped drainage, and soil treatment is finished until the concentration of the electroosmosis enhancer in the pumped drainage liquid is smaller than or equal to the preset concentration limit value. According to the method, a proper amount of electroosmosis enhancer liquid medicine is injected, heavy metal pollutants are dissociated through the electroosmosis effect and pumped and discharged to the hazardous waste pool, and heavy metal in soil is efficiently and reliably reduced.

The invention relates to the technical field of soil remediation, and provides a soil pollution remediation process which comprises the following steps: distributing points in grids of an area to be remediated, measuring the content of heavy metals and the concentration of organic pollutants, applying multi-frequency microwave radiation, synchronously applying ultrasonic treatment, and injecting a complex microbial inoculant containing sphingomonas, aspergillus niger spores and a nitrogen and phosphorus nutrient solution. A direct-current electric field is applied, pH, oxidation-reduction potential Eh and temperature parameters are monitored and measured in real time through an embedded sensor, a repair by-product recovery system is arranged, the purity of recovered metal is not lower than 98%, and mobile repair equipment is used in a matched mode. According to the method, the pollution degree is accurately quantified by constructing the pollution index PI, and dynamic regulation and repair are realized in combination with real-time monitoring parameters of a sensor. The pollutant removal efficiency is improved through the synergistic effect of multiple technologies, metal resource recovery is achieved through a repair by-product recovery system, traditional problems are solved, and efficient and environment-friendly repair is achieved.

The invention provides a soil pollution intelligent monitoring and early warning method based on coupling of source accurate prevention and control and enhanced natural restoration, and relates to the technical field of pollution hidden danger investigation and source tracing. According to the method, toxic and harmful substances are identified through data collection, interview and reconnaissance, a key monitoring list is constructed, troubleshooting and leakage detection are carried out, hidden danger judgment and grading are completed, a rectification strategy is matched to generate a bioremediation scheme, biological agent injection or biological pile construction is carried out on a remediation area, and remediation effect evaluation is carried out. And setting monitoring factors and arranging monitoring point positions after the restoration reaches the standard, collecting monitoring data and inputting the monitoring data into a monitoring and early warning system, and realizing abnormal alarm through threshold triggering. According to the method, a closed-loop process from source identification, restoration implementation to long-term monitoring is constructed, and the accuracy and early warning efficiency of pollution treatment are improved.

The invention relates to the technical field of agricultural planting, in particular to a method for preventing and treating watermelon fusarium wilt by using a green bactericide, which comprises the following steps: preparing the green bactericide which comprises the following components in percentage by mass: 18-25% of composite plant source active component consisting of water lettuce extract, enteromorpha polysaccharide and field horsetail flavone; 20%-30% of an antagonistic bacterium compound preparation, wherein the antagonistic bacterium compound preparation comprises bacillus pumilus and trichoderma; 38%-45% of a nano-carrier, wherein a chitosan-sodium alginate compound is used as an embedding material; and the balance of auxiliary components. Applying the green bactericide to watermelon plants; through component optimization and a synergistic effect, compared with the prior art, the composition has the remarkable advantages that the safety is high, all the components are from natural plants or microorganisms, no chemical pesticide residue exists, the composition is healthy to human bodies and environmentally friendly, and the problems of drug resistance and soil pollution caused by chemical agents can be avoided.

The invention relates to the technical field of soil pollution monitoring, and discloses a farmland soil heavy metal ecological risk assessment method and system, and the system comprises a multi-source collaborative collection module, a dynamic risk assessment module, a climate-driven correction module and a risk prediction execution module. A multi-dimensional dynamic parameter set is generated by constructing a soil-crop-microorganism collaborative collection mechanism, and systematicness and integrity of pollution data are guaranteed; meanwhile, based on heavy metal spatial distribution modeling, a three-dimensional pollution pattern is analyzed in real time, and a combination mode of deep migration risk and table enrichment characteristics is identified, so that the system can overcome the defect of insufficient sampling depth in the prior art, the accuracy of pollution source identification and risk boundary is improved, and the reliability of an evaluation result is enhanced. A dual-drive model is constructed by fusing historical climate parameters and rotation parameters, and risk early warning and prevention strategy dynamic adjustment in a climate sudden change scene are realized.

The invention discloses a data analysis method for monitoring soil pollution spatial distribution based on image fusion. The method comprises the following steps: step 1, collecting soil pollution monitoring data; 2, preprocessing the soil pollution monitoring data; step 3, performing image fusion calibration; step 4, extracting soil pollutant characteristics; 5, generating a soil health index; and step 6, monitoring the soil environment. Compared with the prior art, the soil pollution monitoring method has the advantages that all-directional monitoring of soil pollution is achieved through the image fusion technology, the limitation of a traditional monitoring method is broken through, the spatial distribution characteristics of pollutants can be comprehensively reflected, and the soil pollution monitoring range and accuracy are effectively improved.

The present application relates to the technical field of contaminated soil cleaning, and particularly relates to a cleaning equipment for treating soil pollution, which comprises a base plate, a containing box is fixed on the top of the base plate, a metal mesh bag is fixed in communication at the bottom of the containing box, squeezing mechanisms are arranged around the metal mesh bag, the squeezing mechanism comprises a lead screw, an L-shaped rod one is in screw transmission on the outside of the lead screw, and a squeezing plate is fixed at one end of the L-shaped rod one. In the present application, the contaminated soil is contained by using the metal mesh bag, the two squeezing plates arranged relatively around the metal mesh bag can successively and staggeredly squeeze the soil, which is convenient for crushing the contaminated soil, makes the soil fully contact with the leaching agent for purification, and also facilitates fully crushing the soil to make it fall to the bottom of the chemical solution tank through the mesh holes of the metal mesh bag, the impurities such as plastics, stones and packaging bags which are not easy to be squeezed and crushed are left in the metal mesh bag, and the impurities in the contaminated soil are cleaned out.

The invention discloses a soil pollution region division method and system, and the method comprises the steps: generating a first pollution feature layer through fusing historical pollution data and remote sensing spectral features, and generating a second pollution concentration layer based on the interpolation of an anisotropic pollution diffusion model; analyzing whether the spectral characteristics of the pixels indicate pollution or not by using the trained discrimination model, and marking the pixels as core, doubtful points or clean pixels in combination with concentration standard exceeding judgment; the diffusion relevance between the doubtful point area and the adjacent core area is judged by calculating the boundary migration feature similarity; according to a correlation result, fusing the highly correlated regions according to a pollution diffusion fusion rule to form a pollution diffusion region; and finally, carrying out optimization aggregation and risk grading on all pollution areas based on a preset rule, and generating a final soil pollution area division map with risk grades. According to the invention, automatic and high-precision identification and division of the soil pollution area are realized.

The invention discloses a soil remediation material as well as a preparation method and application thereof, and belongs to the technical field of solid waste treatment and soil pollution remediation. The soil remediation material comprises 20-50 parts of phosphate tailings, 15-20 parts of phosphogypsum, 1-25 parts of ferric salt, 5-20 parts of charcoal, 5-15 parts of zeolite, 5-10 parts of potassium feldspar and 1-6 parts of a microbial agent. In addition, the invention also provides a preparation method of the soil remediation material, which comprises the following steps: dissolving ferric salt in water, adding phosphate tailings to obtain a suspension, then adjusting the pH value of the suspension to 7-8, and reacting to obtain phosphate tailings and ferric salt hydrolysate; stirring and mixing phosphogypsum, phosphate tailings, the iron salt hydrolysate and the like in proportion to obtain a mixed material; and aging the mixed material, and granulating to obtain the soil remediation material. The soil remediation material provided by the invention can effectively remove cadmium and arsenic in soil under the cooperation of all the components.

The invention provides a method for improving land through cooperation of coal-based solid waste and agricultural waste, and belongs to the technical field of solid waste reutilization. According to the method, coal gangue and other solid waste are used as main raw materials, different application modes are provided for mine area land restoration and desertification land improvement, the scientific, reasonable, economical and safe ecological restoration mode is adopted, the requirements for mine area land desertification and ecological restoration of a mine area are met, and the method is suitable for popularization and application. And a feasible solution is provided for regions taking coal-based industry and animal husbandry as the pillar industry, and the ecological restoration effects of treating waste with waste and turning waste into wealth are achieved. Results of the embodiment show that when the method provided by the invention is used for land improvement, the volume weight and the field moisture capacity of the soil can be effectively improved, nutritional ingredients in the soil are greatly improved, and the improved soil meets the standard of Soil Environment Quality Agricultural Land Soil Pollution Risk Management and Control Standard (Trial) (GB15618-2018).

The invention provides a remote sensing image enhancement processing method and device for soil pollution observation. The method comprises the following steps: acquiring a remote sensing image for observing soil pollution; performing fast Fourier transform on the remote sensing image to obtain a spectrogram; extracting an edge intensity graph of the remote sensing image to construct a spatial weight matrix; acting the spatial weight matrix on the remote sensing image to obtain a spatial domain edge enhanced image; based on the high-frequency component and the low-frequency component in the spectrogram, enhancing the spectrogram to obtain an enhanced spectrogram; combining the enhanced spectrogram with the original phase spectrum of the original remote sensing image, and performing inverse Fourier transform to obtain a frequency domain enhanced image; fusing the frequency domain enhanced image and the spatial domain edge enhanced image to obtain a fused image; and performing local contrast optimization processing on the fused image based on the brightness gradient map and the edge intensity map of the fused image to obtain a final remote sensing image. According to the method, the identification precision and the visual discernibility of the soil pollution area are effectively enhanced.

The invention relates to the technical field of particulate matter source analysis, and discloses a refined source analysis method and system.The method comprises the steps that a plurality of pollution sources and dust falling particulate matter sampling points are determined according to soil pollution distribution of a target area and an atmospheric pollution source survey result, by collecting single particle mass spectrum data of pollution sources, sampling points and receptors, constructing a mass spectrum library and combining an ART-2a algorithm and a deep learning model, the heavy metal pollution contribution proportion is accurately analyzed and traced to specific discharge ports of enterprises, and the problem that specific pollution enterprises and working sections cannot be positioned in the prior art is solved. According to the method, a pollution source and an environment receptor are sampled and analyzed by utilizing a single-particle mass spectrometry technology aiming at atmospheric dust fall particles in soil, and the heavy metal in the atmospheric dust fall particles in the soil is finely traced to specific enterprises and working sections by analyzing the heavy metal, so that a fine technical support is provided for soil heavy metal pollution management and control.

The utility model discloses a soil pollution detection device, which relates to the technical field of soil pollution detection, and comprises a base and a mounting box, a vessel for storing a chemical solution is arranged in the base, the mounting box is arranged at the top of the base, a soil crushing device is arranged in the mounting box, an electromagnetic seat is fixedly arranged in the base, and the vessel is fixedly arranged at the top of the electromagnetic seat. The soil crushing device comprises a rotating shaft and crushing rods, a crushing barrel is fixedly arranged in the mounting box, the rotating shaft is rotationally arranged in the crushing barrel, the multiple crushing rods are fixed to the outer side of the rotating shaft, a motor is arranged at the top of the mounting box, the output end of the motor is fixed to the rotating shaft, and a feeding port is formed in the top of the mounting box; according to the device, soil is crushed through the crushing rod, soil powder falls down through the screen holes and falls into the vessel, the stirrer is driven by magnetic force to rotate, a solution and the powder are stirred and mixed, and the soil and a chemical reagent are evenly and fully fused.

The invention discloses a method for evaluating soil pollution hazards based on ecological risk indexes in the technical field of ecological protection, which comprises the following steps: sampling soil in a target area to obtain sampled soil; the method comprises the following steps: collecting the concentration value of pollutants in sampled soil, and determining the basic toxicity coefficient of the pollutants by utilizing a toxicological experiment; constructing a basic toxicity coefficient dynamic correction model to obtain a dynamic toxicity response coefficient of the pollutant concentration value; and constructing an environment factor interaction model. According to the method, the multi-source data is composed of the concentration value and the pH value of the inorganic pollutant and the concentration value of the organic matter, and through fusion and nonlinear modeling of the multi-source data, the problems of weight solidification and neglect of spatial heterogeneity in a traditional method can be solved; the evaluation scientificity, accuracy and operability of the soil pollution risk in the target area can be improved, and the influence of the toxicity of the pollutants on the soil pollution hazard can be effectively evaluated by fusing the synergistic and antagonistic effects among the pollutants.

The invention relates to the technical field of soil pollution investigation and environment monitoring, and discloses a soil pollution low-carbon investigation system, which comprises a data acquisition and preprocessing module for acquiring site multi-source heterogeneous data and performing data quality evaluation and preprocessing; the feature extraction and fusion module is used for performing feature extraction and feature fusion; the pollution prediction and uncertainty quantification module is used for carrying out full-field pollution prediction and uncertainty quantification; the sampling optimization module is used for carrying out sampling value evaluation and gradient analysis; the carbon footprint monitoring module is used for carrying out carbon emission calculation based on an identification result and carrying out real-time monitoring on the carbon footprint; the path planning module is used for planning a sampling path and deploying an edge reasoning system to carry out real-time dynamic path decision; the scheme decision-making module is used for generating investigation candidate schemes and selecting an optimal scheme according to decision-making rules; according to the method, a multi-scale depth feature extraction and cross-modal fusion technology is adopted, and the collaborative value of multi-source heterogeneous data is fully mined.

The invention belongs to the technical field of organic fertilizer preparation, and relates to an organic fertilizer for heavy metal soil pollution and a preparation method thereof.The preparation method specifically comprises the following steps that nano-hydroxyapatite, Mg-Al-LDH, compound bacterium powder, normal saline and modified biochar are mixed and oscillated, and a compound functional base material is obtained; mixing and granulating the composite functional base material, the fermented organic matter and the binder, and coating the granules to obtain the organic fertilizer, according to the invention, through the material composite design of nano-hydroxyapatite / Mg-Al-LDH / modified charcoal, a microorganism-passivator preloading process, a coating technology and other technologies, the defects of single function, low microorganism survival rate, short-term effect of remediation and the like of the existing organic fertilizer exposed in the heavy metal contaminated soil are overcome.

The invention discloses a comprehensive evaluation method for soil pollution in a decommissioned uranium mine area, relates to the technical field of environmental evaluation, and solves the technical problem that a soil pollution evaluation method is not clear due to lack of soil pollution data in an existing decommissioned uranium mine area. According to the technical scheme, the method is characterized in that the influence of radionuclides, environmental ecology, environment and biological effects in the decommissioned uranium mine area soil on the soil quality is comprehensively considered, key influence factors influencing the uranium mine area soil quality can be screened out, and the problems that existing data is lack, and a research method is not clear are solved; and a basis is provided for subsequent sustainable utilization of soil and environmental health.

A recommendation method and device for investigation of soil pollution risk in enterprises comprises starting from a full-aperture enterprise list, screening and integrating a list of key industrial e

The invention relates to the technical field of soil remediation, in particular to a soil turning device for soil pollution remediation, which comprises a base, a liquid storage tank is mounted at the top of the base, a shell is welded at one end of the bottom of the base, an air cylinder is mounted at the top end of the base, and a sliding plate sliding in the air cylinder is fixedly connected to the output end of the air cylinder. According to the invention, a rotary tillage blade is driven to operate through a motor, a buffer mechanism protects the blade when encountering large resistance, the repair operation is ensured to be stable, the blade is stressed to enable a piston to extrude air, and the blade is driven to rotate, so that the efficiency of the rotary tillage is improved, and the efficiency of the rotary tillage is improved. In addition, the push rod is in linkage with the angle adjusting mechanism, the soil turning efficiency is improved, the blade can flexibly avoid obstacles, stress is dispersed, and the service life of the blade is prolonged.

The invention provides a pH value adjusting method and system for soil remediation, and relates to the field of soil pollution remediation, the pH value and ORP value of soil are obtained and analyzed, the dominant mode of pH change is determined based on coupling judgment logic, then the remediation agent adding strategy is adjusted, and the remediation effect is improved. The problem that the influence of microbial activity on pH is not fully considered in the prior art is effectively solved, blind adding of a repairing agent is avoided, the repairing accuracy and efficiency are improved, the problems that in the prior art, the biogeochemical process is not effectively coupled, the reason of pH change is difficult to accurately recognize, and the repairing agent is too excessive or insufficient are solved, and the repairing effect is improved. And the repairing accuracy and sustainability are improved.

The invention provides equipment capable of dissolving and extracting salt in saline-alkali soil and polluted soil and a use method of the equipment. Soluble salt ions in saline-alkali soil and a polluted soil aqueous solution are extracted mainly by using a reverse osmosis technology. Comprising equipment capable of adjusting the content of soluble salt in soil and a technical method for flushing the soil through cooperation of water circulation. The equipment mainly comprises a two-way flushable pre-filter device, a booster pump, a reverse osmosis membrane filter element group, a tail end pure water outlet pipe and a wastewater outlet. Wherein the front filtering device is divided into three stages from coarse filtering to fine filtering and is mainly placed on the rear side of a cultivated land; the tail end pure water outlet pipe comprises a row of multiple water outlets and is mainly placed on the front side of the cultivated land. The device can be integrated into a vehicle, has the advantages of being high in treatment speed, good in treatment effect, water-saving and environment-friendly, and is wide in application prospect.

The invention discloses a sampler for environment-friendly monitoring of soil pollution, and relates to the technical field of soil monitoring and sampling. Comprising a connecting base, the connecting base is in threaded connection with an outer sleeve, the lower side of the outer sleeve is in threaded connection with a drill bit, the lower side of the connecting base is rotationally connected with a mounting base, the lower side of the mounting base is in threaded connection with a middle sleeve and an inner cylinder, the outer side of the inner cylinder is sleeved with a wrapping cylinder, the lower side of the mounting base is detachably connected with a U-shaped frame, and the connecting base is in spline connection with a screwing shaft; a plurality of pull ropes are connected to the screwing shaft in a clamped mode and fixedly connected with the lower side of the wrapping cylinder. By means of friction force between the wrapping cylinder and the soil sample, the soil sample is actively pulled to move in the inner cylinder, so that the soil sample can continuously move to a deeper part without waiting for extrusion of a new sample section in the process of passing through the cavity, mutual contact of two sample sections is avoided, and an original soil hierarchical structure is kept; the step of re-site selection and sampling is omitted, and the sampling efficiency is improved.

The invention relates to the technical field of planting fertilizers, in particular to a multifunctional organic planting fertilizer and a preparation method thereof.The multifunctional organic planting fertilizer comprises an organic base material, a heavy metal passivation system, a slow release system, a microbial system and a function strengthening system, and is characterized in that the organic base material comprises, by weight, 20-30 parts of decomposed sheep manure; 15 to 20 parts of soybean meal; 10 to 15 parts of corn straw powder; the heavy metal passivation system comprises the following raw materials in parts by weight: 8-12 parts of attapulgite clay; 5 to 8 parts of humic acid; and 3-5 parts of bone black. The organic base material and the mineral material synergistically passivate heavy metals, the soil pollution risk is reduced, a slow release system is combined with microbial metabolism, long-term stable supply of nutrients is guaranteed, function strengthening components naturally expel insects, dependence on chemical pesticides is reduced, the decomposition degree and flora activity are accurately controlled in the whole-process technology, and it is ensured that the fertilizer is safe and efficient; compared with a traditional fertilizer, the fertilizer and the preparation process thereof have the functions of ecological restoration, nutrient long-acting and biological prevention and control.

The invention provides an industrial site soil pollutant concentration prediction method using three-dimensional distribution interpolation, and belongs to the field of soil pollution prediction, and the method comprises the following steps: S1, extracting soil pollution distribution characteristics based on sample point positions and attribute information; s2, measuring the anisotropy of the pollution concentration value in the two directions by estimating the ratio R of the vertical direction gradient to the horizontal direction gradient of the soil pollutant concentration through the soil sample point pollution concentration and a difference method, and multiplying the z value in the original coordinate space by the R by taking the R as an expansion factor to obtain a new vertical coordinate value; s3, expanding the spatial position representation module of the DKNN from a two-dimensional space to a three-dimensional space; s4, selecting a space encoder; and S5, on the basis of the spatial encoder, performing spatial prediction by using a general Kriging equation. According to the method, a GeoAI framework based on deep learning and geoscience knowledge fusion is introduced and expanded, the problem of three-dimensional distribution simulation of industrial site soil pollutants can be solved, and soil pollution can be accurately predicted.

The utility model belongs to the technical field of planting pots, and particularly relates to a breathable liquid collection planting pot which comprises a pot body and a separation layer plate arranged on the pot body, the pot body is provided with a pot cavity, the separation layer plate is clamped at the bottom end in the pot cavity, the separation layer plate is provided with a supporting column, the bottom end of the pot body is provided with a bottom plate part, and the supporting column is supported on the bottom plate part. A layer gap is reserved between the separation layer plate and the bottom plate part, and the separation layer plate is provided with a plurality of water through holes; a plurality of air holes are formed in the bottom plate part, the water through holes and the air holes are staggered in position, water retaining parts are formed in the positions, corresponding to the air holes in a one-to-one mode, of the bottom plate part in a protruding mode, water outlet holes are further formed in the bottom plate part, the water through holes, the layer gaps and the water outlet holes form water flowing channels, and the water retaining parts prevent a solution from flowing into the air holes. The redundant solution is collected to the water outlet hole along the bottom plate part at the interlayer gap, is guided out through the water outlet hole and is collected and treated, so that the liquid fertilizer is prevented from directly flowing out through the air holes, the soil pollution risk is reduced, and the protection effect on the ground is improved.

The invention provides a method and system for dynamically monitoring soil pollutants based on an unmanned aerial vehicle, and relates to the technical field of soil pollution abatement, and the method comprises the steps: constructing a continuous monitoring network, setting the route weight of each route in the continuous monitoring network in different environments, and collecting the average soil pollutant pollution concentration of each route in the corresponding environment; state judgment is carried out on the collected average soil pollutant pollution concentration of each route in the corresponding environment, and the soil pollutant pollution state of the corresponding area is obtained; based on a visualization technology, carrying out visual rendering on pollution states of soil pollutants in different areas in the continuous monitoring network; and carrying out pollution risk assessment when an abnormal soil pollutant pollution state occurs in the continuous monitoring network, and constructing a soil pollutant pollution diffusion model according to a pollution risk assessment result to obtain a corresponding pollution risk processing scheme.

The invention discloses a method for degrading short-chain chlorinated paraffin in soil based on microwave irradiation, and belongs to the technical field of soil pollution remediation. The invention aims to solve the problems of high energy consumption, long reaction time, low efficiency and low degradation rate of the existing method for degrading the short-chain chlorinated paraffin in the soil. The method comprises the following steps: 1, soil pretreatment; 2, extracting by using normal hexane; 3, carrying out microwave degradation treatment; and 4, after the reaction is finished, naturally cooling to room temperature to obtain the soil without the short-chain chlorinated paraffin. The short-chain chlorinated paraffin (SCCPs) in the soil is degraded by a microwave method, and gt can be degraded within 10-15 minutes through the synergistic effect of a microwave heat effect and a non-heat effect; the efficient degradation rate is 90%. The invention provides an efficient, economic and ecologically sustainable solution for the SCCPs polluted soil.