61 results about "Environmental restoration" patented technology

The invention relates to bacillus velezensis LYB-S and application thereof in improving the reduction rate of hexavalent chromium in combination with exosomes, and belongs to the technical field of environmental restoration. The bacillus velezensis LYB-S has been preserved in the China General Microbiological Culture Collection Center (CGMCC) on May 6, 2025, and the preservation number is CGMCC NO.34429. The bacillus velezensis LYB-S has been preserved in the China General Microbiological Culture Collection Center (CGMCC). The bacillus velezensis LYB-S can be combined with an exosome, so that the reduction rate of the hexavalent chromium can be increased together with the bacillus velezensis LYB-S.

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 restoration method for improving salinized grassland, and relates to the technical field of ecological environment restoration. Physically, a laser land leveling instrument is combined with topographic surveying and mapping to control the land flatness, and an intelligent irrigation and drainage system is constructed; chemically, a novel composite modifier is prepared to regulate soil; biologically, saline-alkaline tolerant grass seeds are treated to construct communities, and microbial agents are applied. And meanwhile, a monitoring network is constructed for precise monitoring and regulation, the cost is reduced by utilizing agricultural wastes and local materials, and sustainable development is realized. The method can effectively reduce the soil salinity, adjust the pH value, improve the vegetation coverage rate, increase the number of soil organic matters and microorganisms, and realize saline-alkali grassland soil improvement, vegetation recovery and ecological sustainable development.

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 moss-microorganism synergistic nitrogen fixation bionic regreening method and system for a drought-resistant mine rock slope, and belongs to the technical field of ecological environment restoration. The method comprises the following steps: (1) slope pretreatment: drilling anchoring holes; (2) layered construction: (1) a fixation layer: spraying mixed slurry prepared from amylase and plant fibers to form a net-shaped substrate with the thickness of 1-2cm; (2) a nutrient layer: spraying a mixture of a complex microbial inoculant and a slow release fertilizer, wherein the thickness is 4cm; the mixed bacterial agent is prepared from the following raw materials in percentage by weight: 60 percent of phytonimum patenum spores, 25 percent of nostoc commune (Nostoc commune) and 15 percent of pseudomonas fluorescens (Pseudomonas fluorescens), and the mixed bacterial agent is prepared from the following raw materials in percentage by weight: 60 percent of phytonimum patenum spores, 25 percent of nostoc commune (Nostoc commune) and 15 percent of pseudomonas fluorescens (Pseudomonas fluorescens). And (3) a water retention layer: sodium polyacrylate resin is spread, the particle size of the sodium polyacrylate resin is 1-0.5 mm, soil covering and compaction are performed until the thickness of the water retention layer is 1-1.5 cm, and the use amount of the sodium polyacrylate resin is 2-1.5 wt% of the weight of the soil. According to the method, the nitrogen fixation efficiency can be improved by 40-60%, and the soil moisture content is kept gt under the drought condition; the survival rate of the seedlings is increased to 85% or above, the anti-scouring capacity of the side slope is improved by 50%, and the vegetation coverage rate of 70% or above is achieved within 6 months.

The invention relates to the technical field of ecological environment restoration, in particular to an arid / semi-arid mining area waste dump soil reconstruction method which comprises the following steps: S1, stripping surface soil of a waste dump, and leveling and compacting the surface of the waste dump to obtain a parent material layer; s2, coal gangue and an ionic curing agent are mixed, the rotating speed is 50 rpm, stirring is conducted for 10 min, and a mixture is obtained; the parent material layer is covered with the mixture in a layered mode, the thickness of each layer is 15-20 cm, after the mixture is covered every time, the mixture is compacted, then the next layer of mixture is covered, and after the last layer of mixture is compacted, a water-resisting layer is obtained; s3, the water-resisting layer is covered with the water storage layer and laid flat; and S4, covering the water storage layer with the vegetation layer. Heavy metal pollutants in the coal gangue can be effectively fixed, surface water and surrounding soil are prevented from being polluted by leaching of the coal gangue, good durability is shown, and functions can be kept for a long time.

The invention relates to the technical field of microbial culture, in particular to a heterotrophic culture method of benthic diatom, which comprises the following steps: S1, adding benthic diatom into an improved SE culture medium, and culturing for 5-7 days until OD540 is 0.8-1.2 to obtain a benthic diatom seed solution; according to the method disclosed by the invention, a nutrition system is constructed by taking waste glycerol as a carbon source and sodium alginate coated urea as a slow-release nitrogen source, and the benthic diatom, nitrogen-fixing bacteria and phosphate solubilizing bacteria are co-cultured on a porous ceramic carrier to be cultured under a dark condition, so that compared with the prior art, the method disclosed by the invention thoroughly gets rid of the dependence on illumination, and the yield is increased. The rapid, high-yield and stable heterotrophic culture of the benthic diatom is realized, meanwhile, the raw material and energy consumption cost is greatly reduced, and the resource recycling rate is improved; the obtained diatom biomass can be used for aquatic bait, biological energy, environmental restoration and development of high-added-value products, and has a wide industrial application prospect.

The invention relates to the technical field of image processing, in particular to a restoration effect evaluation method for environmental restoration engineering, which comprises the following steps: acquiring an underground water image, and graying to obtain an underground water grayscale image; segmenting the groundwater grayscale image to obtain to-be-processed pixel points, and obtaining a plurality of windows of the to-be-processed pixel points; according to the box plot of each window of the to-be-processed pixel point and the number of abnormal pixel points in each window, obtaining the abnormal degree of the to-be-processed pixel point in the box plot of each window, and obtaining the noise intensity of the to-be-processed pixel point according to the abnormal degree; obtaining a noise intensity parameter sequence according to the noise intensity, and obtaining the optimization degree of each noise intensity parameter; and completing groundwater remediation evaluation according to the optimization degree and the noise intensity. According to the method, the influence that impurities and noisy points in underground water are relatively similar in gray level expression in the image is reduced, the accuracy of noisy point recognition is improved, and the robustness of the system is further improved.

The present invention is applicable to the field of plant resistance screening and provides a method and system for screening highly resistant plants based on ecological environment simulation. This method establishes an ecological environment model that simulates combined stresses, periodically collects plant physiological and biochemical phenotypes, environmental data, and resource consumption data, quantifies plant resistance behavior into environmental restoration asset points, calculates ecological liabilities based on resource consumption, and screens for primary highly resistant plants using net ecological benefit values. A final sequence is obtained through secondary screening using the resistance balance index. This method integrates ecological asset-liability thinking to comprehensively assess plant resistance and ecological benefits. The screening results are accurate and practical, making it suitable for fields such as ecological restoration and provides an efficient and scientific solution for screening highly resistant plants.

The present invention discloses a three-dimensional sand prevention and fixation device applicable to high-cold and sandy areas in the field of environmental restoration, which includes a support pipe. The bottom of the support pipe is connected to a collection pipe, and a number of water seepage holes are provided on the collection pipe. A connecting rod is hinged on the support pipe, and one end of the connecting rod away from the hinge seat is fixedly connected to a rubber pipe. A number of openings are provided at both ends of the rubber pipe. A fixing device is fixedly connected to the bottom of the support pipe. A number of rubber pipes simulate the morphology of plant leaves, weaken the erosion of the wind on the ground in high-cold and sandy areas, utilize the wind in nature to spread seeds, store and use rainwater, and reduce the use of water resources on land; the fixing device can adapt to different relatively harsh environments. The sand fixation column utilizes the wind in nature to spread seeds and can store rainwater, and irrigate the sandy soil with the stored rainwater, so as to plant Hedysarum scoparium in high-cold and sandy areas, which is convenient for sand prevention and fixation in high-cold and sandy areas.

The invention provides a coal mine waste dump ecological restoration method based on data processing. The method relates to the technical field of mining area ecological environment restoration and comprises the steps that multi-source ecological parameters of a coal mine waste dump area are collected and processed to form an original ecological data set, and a gradient collection strategy based on multi-scale spatial analysis is adopted for collection and processing. And performing dynamic entropy weight calculation processing on the original ecological data set to form an ecological weight parameter set, wherein the dynamic entropy weight calculation processing comprises an entropy weight adaptive updating mechanism and a repair priority division algorithm. According to the coal mine waste dump ecological restoration method based on data processing, multi-source ecological parameters of a coal mine waste dump area are collected and processed, and an original ecological data set is formed in combination with multi-scale spatial analysis and gradient collection strategies. Through dynamic entropy weight calculation processing, an ecological weight parameter set is formed by using an entropy weight adaptive updating mechanism and a restoration priority division algorithm, and a data basis is provided for a subsequent restoration strategy.

The present application relates to the technical field of ecological environment restoration, and more particularly to a waste mine ecological environment restoration method and system, the present application obtains a plurality of temperature parameters and terrain parameters of each monitoring area by the unmanned aerial vehicle carrying the monitoring equipment to mark the characteristic monitoring area, obtains the surface image of each characteristic monitoring area, determines whether the characteristic monitoring area exists the deformation risk, constructs the deformation tendency characterization vector based on the surface texture contour, analyzes the homologous tendency of each deformation tendency characterization vector, determines the block tendency category of the characteristic monitoring area, and determines the optimization strategy of the environment restoration according to the block tendency category. The present application realizes the rapid identification of the characteristic monitoring area with the freezing and thawing phenomenon, adaptively determines the optimization strategy of the environment restoration according to the actual deformation characteristics in the area, and improves the reliability of the waste mine ecological environment restoration.

Abstract A coal-based solid waste eco-restoration material and preparation method are provided. The preparation method includes: mixing and placing calcium oleate, sodium silicate, polyvinylpyrrolidone, oleylamine, anhydrous ethanol, and water in a hydrothermal reactor, heating at a constant temperature, centrifuging, and washing to collect inorganic nano-seed crystal; seeding the inorganic nano-seed crystal to form a cementitious material; mixing coal gangue powder with the cementitious material, mineral activator, and physical pore-forming foam, then curing, crushing, and screening to prepare a porous sandy loam matrix; uniformly mixing the prepared porous sandy loam matrix, coal slime, and composite microbial agent, and then fermenting and maturing to obtain the coal-based solid waste eco-restoration material. Compared with the traditional aluminum powder chemical foaming and strong acid foaming, the physical foaming technology adopted in the present disclosure improves the safety of operation while reducing the cost, and is convenient for standardized production. According to the activation of bacteria-fungi composite microbial agent, the nutrient elements in eco-restoration materials can be fully released. The eco-restoration material can be applied to the fields of mine soil restoration, land reclamation and other environmental restoration. FIG. 1 Abstract A coal-based solid waste eco-restoration material and preparation method are provided. The preparation method includes: mixing and placing calcium oleate, sodium silicate, polyvinylpyrrolidone, oleylamine, anhydrous ethanol, and water in a hydrothermal reactor, heating at a constant temperature, centrifuging, and washing to collect inorganic nano-seed crystal; seeding the inorganic nano-seed crystal to form a cementitious material; mixing coal gangue powder with the cementitious material, mineral activator, and physical pore-forming foam, then curing, crushing, and screening to prepare a porous sandy loam matrix; uniformly mixing the prepared porous sandy loam matrix, coal slime, and composite microbial agent, and then fermenting and maturing to obtain the coal-based solid waste eco-restoration material. Compared with the traditional aluminum powder chemical foaming and strong acid foaming, the physical foaming technology adopted in the present disclosure improves the safety of operation while reducing the cost, and is convenient for standardized production. According to the activation of bacteria-fungi composite microbial agent, the nutrient elements in eco-restoration materials can be fully released. The eco-restoration material can be applied to the fields of mine soil restoration, land reclamation and other environmental restoration. Mixing and placing calcium oleate, sodium silicate, S10 polyvinylpyrrolidone, oleylamine, anhydrous ethanol, and water in a hydrothermal reactor, heating at a constant temperature, centrifuging, and washing to collect inorganic nano-seed crystal; Seeding the inorganic nano-seed crystal to form a cementitious S20 material; mixing coal gangue powder with the cementitious material, mineral activator, and physical pore-forming foam, then curing, crushing, and screening to prepare a porous sandy loam matrix; Uniformly mixing the prepared porous sandy loam matrix, coal S30 slime, and composite microbial agent, and then fermenting and maturing to obtain the coal-based solid waste eco-restoration material. FIG. 1 20 25 20 15 77 04 M ar 2 02 5 2 0 2 5 2 0 1 5 7 7 0 4 M a r 2 0 2 5 a n d o t h e r e n v i r o n m e n t a l r e s t o r a t i o n . S 1 0 S 2 0 S 3 0 F I G . 1 2 0 2 5 2 0 1 5 7 7 0 4 M a r 2 0 2 5 a n d o t h e r e n v i r o n m e n t a l r e s t o r a t i o n . S 1 0 S 2 0 S 3 0 F I G . 1 1 / 2 FIG. 1 FIG. 2 1 / 2 Mixing and placing calcium oleate, sodium silicate, S10polyvinylpyrrolidone, oleylamine, anhydrous ethanol, and water in a hydrothermal reactor, heating at a constant temperature, centrifuging, and washing to collect inorganic nano-seed crystal; Seeding the inorganic nano-seed crystal to form a cementitious S20 material; mixing coal gangue powder with the cementitious material, mineral activator, and physical pore-forming foam, then curing, crushing, and screening to prepare a porous sandy loam matrix; Uniformly mixing the prepared porous sandy loam matrix, coal S30 slime, and composite microbial agent, and then fermenting and maturing to obtain the coal-based solid waste eco-restoration material. FIG. 1 Inorganic nano-seed crystal Hydration products 5 um FIG. 2 20 25 20 15 77 04 M ar 2 02 5 S 1 0 2 0 2 5 2 0 1 5 7 7 0 4 M a r 2 0 2 5 S 2 0 S 3 0 F I G . 2 S 1 0 2 0 2 5 2 0 1 5 7 7 0 4 M a r 2 0 2 5 S 2 0 S 3 0 F I G . 2

The invention belongs to the technical field of ecological environment restoration, and particularly relates to an arid region gobi gravel curtain layer reconstruction method. Gobi in the arid region is subjected to earth surface leveling, gravel layer paving and saline pressing in sequence, and a gravel curtain layer is obtained. The gravel curtain layer earth surface reconstructed through the method has no obvious landscape difference with the surrounding natural gravel curtain layer earth surface, salt crust and gravel are tightly bonded together to form a hard soil protection layer, the earth surface can be effectively solidified, and soil wind erosion can be resisted.

This invention provides a method and system for mine ecological restoration, relating to the field of ecological environment restoration technology. The method includes: obtaining soil damage characteristics based on a pre-acquired ecological area to be restored; obtaining a mine geological composition based on the soil damage characteristics and pre-acquired restoration goals, combined with geological soil selection principles; obtaining a plant species composition based on sampling results from pre-acquired sample plots and restoration goals; and performing ecological restoration of the ecological area to be restored based on the mine geological composition and plant species composition. This invention accelerates the process of geological soil formation and vegetation restoration in abandoned open-pit mines, improves the tolerance of restored vegetation communities to climate fluctuations, and truly achieves precise and sustainable ecological restoration of open-pit mines.

The application discloses a method for fermenting crop straws by using composite microorganisms and application of the composite microorganisms in mine ecological restoration, and belongs to the technical field of agricultural waste resource utilization and environmental restoration. The composite microbial inoculum is composed of Clostridium coccoides, Bacillus plantarum and Acetobacter pasteurianus. The composite microbial inoculum has a significant synergistic effect in degrading the nutrient components of crop straws and accumulating fermentation products, and can obtain high-quality fermentation products. The fermentation products can improve soil structure and morphology, and reduce heavy metal activity, so that the effect of mine ecological restoration is achieved. Therefore, the composite microbial inoculum provides technical guidance for resource utilization of agricultural wastes and sustainable development of the environment. The fermentation products produced by fermenting crop straws by using the composite microbial inoculum provide a new way for mine ecological restoration.

The invention relates to the technical field of soil ecological environment remediation, in particular to a data processing method and system for soil ecological environment remediation, and the method comprises the steps: collecting soil environment observation data and exogenous influence data, and constructing a soil state vector and a soil remediation operation feasible constraint; performing causal structure identification based on the observation data and the constraints, generating an intervening causal graph, and calculating the causal contribution of each influence factor to the soil state; and identifying environmental risk nodes through the intervening causal graph, constructing a risk chain sequence, and calculating the instability of each risk chain. According to the method, the soil environment observation data and the exogenous influence data are systematically processed to generate the intervention causal graph and the causal contribution amount, and the risk chain identification and the joint optimization iteration are combined to generate the optimal remediation scheme, so that the problem that the experience allocation method is mostly adopted in the traditional soil remediation is solved; and because the influence of each measure on the soil state cannot be quantified, the problem that the remediation scheme is inaccurate is solved.

The invention relates to the technical field of environmental restoration, in particular to a pollution plume interpolation technology preferential selection method in underground water pollution numerical simulation, which comprises the following steps: S1, constructing an underground water pollution numerical model, and simulating underground water flow and pollutant migration; s2, under the same interpolation method, setting different data volumes of interpolated initial pollution plumes, and comparing simulation results; and S3, under the condition that the data volume of the interpolated initial pollution plume is the same, performing the interpolation of the initial pollution plume by using different interpolation methods, comparing the simulation results, and determining that the interpolation method is optimal when the average value of the absolute values of the deviation between the model simulation value and the measured value is smaller. According to the method, the problem of how to select an interpolation method to more accurately predict groundwater pollution migration under the condition of limited data is solved, the constructed model has scientificity and accuracy through reliability evaluation, the cost is low, the operation is simple and convenient, and the method can be widely popularized.

The invention provides a coal gangue storage yard ecological restoration method based on composite AM fungi and plant communities, and belongs to the technical field of environmental restoration. The ecological restoration method comprises the following steps: (1) pretreating coal gangue to form a plant growth base layer; (2) inoculating the plant growth base layer with a composite AM fungus inoculant; the composite AM fungus fungicide is prepared from glomus intraradices, globomegalospora globosa, glomus mosseae and glomus young ferulae; and (3) sowing plant seeds on the plant growth base layer inoculated with the composite AM fungus inoculant. According to the method, the coal gangue storage yard is repaired through the AM fungus fungicide and the composite plant community, dependence on exogenous soil and chemical fertilizer is reduced, the long-term maintenance cost can be reduced, and the method has good biological safety and good application and popularization value.

The application relates to the technical field of ecological restoration engineering dewatering, and discloses a dewatering well construction device and a construction method, which solve the problem that uneven filter material filling causes poor filtering effect in the related dewatering well construction process, the filter material being directly manually shovelled into a well hole, the problem being solved by the device, which comprises a well hole for installing a well pipe, a limiting cylinder for limiting the well pipe being installed in the well hole, the diameter of the limiting cylinder being not less than the diameter of the well pipe, a material paving mechanism for filling filter material between the limiting cylinder and the well hole being installed above the well hole, the material paving mechanism comprising a rotating plate capable of rotating horizontally and a hopper installed at the edge of the rotating plate, and the discharge port of the hopper being directed to the gap between the limiting cylinder and the well hole, so as to reduce the case that uneven filter material filling causes poor filtering effect. The dewatering well construction device and the construction method are applied to environmental governance and environmental restoration project engineering construction, and have the advantage of improving the filtering effect of the dewatering well.

This application relates to an ecological restoration system and method suitable for high-altitude and cold environments, specifically in the field of environmental restoration systems. The system includes: leveling a surface to create a smooth surface on exposed surfaces in high-altitude and cold environments; constructing an acclimatization shed on one side of the leveled surface, where acclimatized plants are planted; laying a base mesh layer on the leveled surface, with multiple fixing devices on the base mesh layer to secure it to the leveled surface; spraying topsoil onto the base mesh layer to form a restoration substrate layer; pressing planting troughs into the surface of the restoration substrate layer and transplanting the acclimatized plants from the acclimatization shed into the planting troughs; covering the surface of the restoration substrate layer with a protective layer; installing miniature meteorological and soil moisture monitoring equipment on the restoration substrate layer, the miniature meteorological and soil moisture monitoring equipment having an alarm function; and also installing drip irrigation equipment on the restoration substrate layer. This application has the effect of optimizing the restoration effect of high-altitude and cold environment restoration work.

The invention provides an environment restoration method based on a coral transplantation technology, and relates to the technical field of marine ecological environment protection. The method comprises the following steps: firstly, collecting benthic organism samples through marine ecological environment investigation, recording distribution characteristics, and generating benthic organism distribution data; on the basis, analyzing a biocenosis structure and evaluating ecological sensitivity, determining a coral transplantation type list and transplantation region coordinates, and generating a coral transplantation plan; then constructing a coral-microorganism symbiotic system in a transplantation area by utilizing a microbiome enhanced transplantation technology, and generating three-dimensional coordinate data of the symbiotic system; and finally, combining an engineering construction time sequence and coordinate data of the symbiotic system, arranging a suspended matter prevention and control device to limit pollutants from being migrated to the symbiotic area. According to the method, the survival rate of corals is increased through microbial enhancement, diffusion of suspended solids is accurately prevented and controlled, and collaborative optimization of engineering disturbance minimization and ecological restoration in the abrupt-change terrain area is achieved.

This invention discloses a method for preventing wind erosion and sand damage in water-collecting pits, relating to the field of ecological environment restoration technology. The method provided by this invention uses local algal blooms and terrestrial crusting algae as materials to synergistically manage temporary wind erosion and sand damage in water-collecting pits in stages. It has the advantages of being green, environmentally friendly, and sustainable, and is simple, easy to implement, and low-cost. It can prevent the occurrence of wind erosion pits or inhibit their further development and expansion, reducing the large amount of manpower and financial resources required for subsequent repeated treatments. Using the method provided by this invention can significantly increase the vascular vegetation coverage and biological crust coverage of water-collecting pits, preventing or inhibiting wind erosion on the surface of the water-collecting pits.

The invention discloses a biochar granular material and a method for detecting the desorption behavior of adsorbed Ca < 2 + >, and belongs to the technical field of environmental functional materials and soil chemical analysis, and the method is characterized in that Na < + > pretreated biochar reacts with a calcium-strontium mixed solution to prepare a calcium-strontium adsorption type biochar material. Sr < 2 + > is used as an internal mark tracer ion, and the content of Ca < 2 + > desorbed by charcoal in soil or water is calculated by measuring the change of the concentration ratio of Ca < 2 + > to Sr < 2 + > in soil or water before and after desorption. According to the method, expensive 44Ca isotope labeling is avoided, the cost is low, the operation is simple and convenient, the method can be used for accurately evaluating the release behavior of the biochar adsorption state Ca < 2 + > in the environment, and a technical support is provided for application of the biochar adsorption state Ca < 2 + > in agricultural improvement and environmental restoration.

The invention relates to a method and device for determining a regional ecological environment restoration scheme, and relates to the technical field of ecological environment restoration. The method comprises the following steps: preprocessing multi-modal data corresponding to a target geographic area to obtain standard input data, and inputting the standard input data into a preset remote sensing image segmentation model to obtain an ecological state recognition result; determining a candidate ecological restoration scheme according to the ecological state recognition result, and performing a multi-target optimization decision on the candidate ecological restoration scheme to obtain a restoration scheme decision result; performing simulation evaluation on the ecological evolution trend of the restoration scheme decision result based on a preset ecological space-time prediction model to obtain an ecological environment prediction result of the target geographic area in a future time period; and optimizing the restoration scheme decision result according to the ecological environment prediction result to obtain a target ecological restoration scheme. According to the invention, the accuracy of the obtained ecological restoration scheme is improved.

The invention relates to the field of environment emergency early warning, and aims to solve the problem that when a tobacco environment control system controls a production environment, feedback verification of an environment control effect and an environment recovery capability is lacked, so that early warning and reminding cannot be carried out in time when an environment adjusting effect is poor or even fails. The production area environment emergency early warning system comprises an environment general control unit, a process statistical analysis unit, a fluctuation analysis unit, a long-line early warning generation unit and an emergency early warning generation unit, in the process of monitoring the environment in the tobacco production process, instantaneous environment parameters are collected and analyzed, dynamic parameters such as fluctuation and regulation and control capability of the tobacco production environment parameters are also collected, instantaneous state and dynamic state two-way monitoring on the environment in the tobacco production process can be achieved, and the monitoring accuracy is improved. The production environment is ensured to meet the standard requirement, the operation stability of the environment maintenance equipment can be verified, and the tobacco production quality is ensured.

The invention relates to the technical field of ecological environment restoration, and discloses an extraction device for analyzing and measuring the content of carbon, nitrogen and phosphorus in soil, which comprises a cart, support legs are fixed on the upper surface of the cart, a treatment box is fixed on the upper surfaces of the support legs, a top plate is hinged to the top end of the treatment box, and a placement box is fixed on the inner wall of the treatment box. An observation window penetrates through one side of the treatment box; the sampling assembly is arranged on the cart and is used for sampling soil; and the feeding assembly is arranged on the top plate and used for controlling the soil inlet amount, the feeding assembly comprises a hopper, the outer wall of the hopper penetrates through the interior of the top plate, a connecting plate is fixed to the outer wall of the hopper, a second motor is fixed to the outer wall of the connecting plate, and a first rotating rod is fixed to the output end of the second motor. And through cooperation of internal structures of the feeding assembly, a baffle continuously rotates to drive a crushing roller to rotate, and the soil is crushed while the feeding amount of the soil is controlled.

The invention relates to the technical field of ecological environment restoration, in particular to a method for low-disturbance improvement of soda salinized grassland, which comprises the following steps: applying a surfactant solution to determine that the infiltration promotion effect of a surfactant meets the requirement or does not meet the requirement, and determining a main limiting factor according to the pH value; a modifier solution is applied according to the adjusted improvement parameters, the modifier solution comprises organic acid and desulfurized gypsum, the wetting front advancing depth of the soil is obtained according to the initial detection period, and whether the wetting front of the soil can reach the target improvement depth or not is estimated; and according to the synergistic effect index, determining whether the degree that the combined use effect of the components is greater than the sum of the independent use effects of the components meets the expected requirement or not, and determining the judgment standard that the permeation promotion effect of the surfactant for adjusting the subsequent improvement circulation process does not meet the requirement and the initial detection period. The surfactant is combined with the modifier, so that the salinity and alkalinity of the soda salinized grassland are reduced, and the soil structure is improved.

The invention relates to composite modified biochar and a preparation method thereof, and belongs to the technical field of biochar preparation. In order to solve the problem that existing corn straw modified biochar is difficult to efficiently adsorb and convert water pollutants, the invention provides a preparation method of composite modified biochar, and the preparation method comprises the steps of corn straw pretreatment, acid modified biochar preparation and magnesium salt modified biochar preparation. The synergistic optimization of the microstructure and surface chemical properties of the biochar is realized through a combined process of ternary eutectic solvent pretreatment, citric acid-boric acid composite acid modification and magnesium chloride loading. The modified biochar has a high specific surface area and a developed mesoporous channel structure, provides sufficient adsorption space channels for water pollutants, solves the problem of insufficient adsorption performance of a traditional modified material, can effectively reduce the risk of water pollution, provides a low-cost and high-performance purification material for the field of environmental restoration, and has a wide application prospect.

The present application relates to ecological environment remediation technical field, specifically disclose a kind of river ecological environment remediation management method, comprising the following steps: step one: first, the river above needing ecological environment remediation is developed to a clean flow path to facilitate operation ship can pass through.The present application gradually winds in steel wire rope on steel wire rope reel, drives installation block to open to the end of agitation bar away from and incline upward, the end of installation block away from agitation bar inclines upward, drives agitation bar away from also incline upward, further so that several agitation bars present V shape, can facilitate agitation bar and agitation bar insertion river, avoid agitation bar and agitation bar when insertion river are blocked by aquatic plant, reduce the resistance between agitation bar and aquatic plant when insertion river, agitation bar and agitation bar outer wall agitation bar is in river depth, can be wound to the root of aquatic plant of river bottom, further the root of aquatic plant is wound on agitation bar and agitation bar.