110 results about "Environmental restoration" patented technology

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 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 field of environment restoration, and discloses a semi-coke ecological system environment restoration method which comprises the following steps: waste gas treatment: treating sulfur-containing gas, nitric oxide and particulate matters generated in semi-coke production by adopting a multi-stage gas purification device, and further purifying residual harmful substances by adopting a low-temperature plasma technology; wastewater treatment: carrying out multi-stage purification on industrial wastewater generated in semi-coke production through physical filtration, chemical precipitation and biological treatment, and carrying out advanced treatment on the wastewater in combination with a membrane separation technology; and solid waste treatment: carrying out high-temperature gasification treatment on solid wastes generated in semi-coke production, recovering energy and using residues for regenerated material production. The comprehensive treatment of various pollutants generated in the production process is realized through the technologies of multi-stage waste gas purification, waste water deep treatment and solid waste resource utilization, and the removal efficiency of sulfur oxides and nitrogen oxides is remarkably improved by the waste gas treatment system through the combination of wet desulfurization and dry desulfurization.

The invention provides a decision-making method for an ecological restoration direction of an abandoned surface mine, and belongs to the technical field of ecological environment restoration. On the basis of investigating each attribute condition of a surface mine to be restored, decision direction judgment is performed on each attribute condition in a decision model in a hierarchical and step-by-step manner, so that an ecological restoration direction suitable for each mining area attribute condition is explained; according to the accumulated attribute conditions of each ecological restoration direction, one item meeting the most attribute conditions is determined as the most suitable restoration direction, and meanwhile, other suitable directions are screened out, so that combination and selection during project implementation are facilitated. According to the method, the problem that in the field of mine ecological restoration, the restoration direction and target are not clear before the project establishment of the surface mine ecological restoration engineering project is solved, and a decision-making method and basis are provided for the subsequent determination of the surface mine ecological restoration direction. By applying the method, the effects of fully utilizing restoration funds, guaranteeing the ecological restoration effect of the mining area and assisting high-quality development of social economy can be achieved.

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 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 utility model discloses a planting device with an infiltrating irrigation function, which comprises a planter, a water pump, a water pump and a water pump, a cavity for planting flowers and trees is arranged in the planter, and a mounting hole is arranged on the side wall or the bottom wall of the planter; the water supply pipe group is fixedly connected with the mounting hole; the water seepage assembly comprises a connecting base and a plurality of membrane wires, the ends of the membrane wires are fixed to the connecting base in a bunch mode, the membrane wires are dispersed in the containing cavity and close to the root system of the plant, and water flow in the water supply pipe set permeates outwards through the membrane wires and wets soil. The problem that urban greening or road green belts waste water sources is solved, the cultivation limitation of the severe environment on green plants is reduced, greening and environment recovery of places such as stone mountains, rugged areas and arid areas where watering is inconvenient are facilitated, and greening of family courtyards and balconies can be 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 soil environment remediation treatment equipment, and relates to the field of soil remediation device.The soil environment remediation treatment equipment comprises a fixed table, crawler belts are arranged on the two sides of the fixed table, the fixed table is connected with an operation table, the operation table is rotationally connected to the fixed table through a rotary disc, and a storage box is arranged on the rear side of the fixed table; a heavy metal treatment agent is contained in the material storage box, a workbench is arranged on the front side of the fixed table and connected with the fixed table through a connecting shaft, a soil turning device is arranged in the workbench and connected with a spraying device for spraying the heavy metal treatment agent, and the connecting shaft is of a telescopic structure. The soil turning device has the advantages that soil turning work can be achieved, in the process, a heavy metal treating agent is evenly sprayed to turned soil, the contact effect of the heavy metal treating agent and the soil is improved, meanwhile, soil adhesion can be avoided in use, and the soil turning efficiency is improved.

The invention discloses a mechanically activated kaolin modified fly ash phosphoric acid-based geopolymer and a preparation method thereof. The geopolymer is prepared from the following raw materials in parts by weight: 30-75 parts of fly ash, 15-60 parts of mechanically activated kaolin, 8-40 parts of red mud, 0.5-2 parts of a surface modifier, 10-35 parts of an acid activator and 10-35 parts of a solvent. The performance of the geopolymer is optimized, the early and final compressive strength of the geopolymer is improved, through the synergistic effect of the red mud and the mechanically activated kaolin, the preparation cost is reduced, the energy consumption and the environmental influence are reduced, and meanwhile, a new way is provided for resource utilization of the fly ash and other industrial byproducts. The geopolymer disclosed by the invention is suitable for various civil engineering projects such as road construction, foundation reinforcement, environment restoration and the like due to excellent mechanical properties, excellent durability and excellent environmental adaptability, and meets the requirements of sustainable development.

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 belongs to the technical field of environmental restoration, and particularly relates to a modified fulvic acid-charcoal immobilized microbial agent as well as a preparation method and application thereof. The preparation method comprises the following steps: adding a bacterial liquid, modified fulvic acid and biochar into a culture medium for co-culture to obtain the modified fulvic acid-biochar immobilized bacterial agent. The preparation method is simple, convenient, easy to control and environmentally friendly, the cost is reduced, meanwhile, the prepared modified fulvic acid-biochar immobilized microbial agent still shows high microbial strain activity, petroleum hydrocarbon and polycyclic aromatic hydrocarbon in combined pollution are efficiently degraded and can be maintained for a long time, and good industrial application prospects are achieved.

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 utility model discloses a river water area ecological environment restoration device, which relates to the technical field of water area ecological environment restoration and comprises a filtering and purifying assembly and a base assembly. The filtering and purifying assembly comprises a filtering box, a filtering net is arranged at the bottom of the inner wall of the filtering box, and a sediment pump is arranged on one side of the top end of the filtering box; the base assembly comprises a supporting cover, the supporting cover is arranged at the corner of the bottom end of the filter box, and the bottom end of the supporting cover is slidably sleeved with a supporting groove; the inlet end of the silt pump communicates with a water pumping pipe; the device has the beneficial effects that the silt pump is controlled to start to work, the inlet end of the silt pump pumps water needing to be filtered and purified in a river water area through the water pumping pipe and then injects the water into the filter box through the water injection pipe, and the water entering the filter box is filtered through the filter screen and then enters the water outlet pipe; water filtered and purified in the filter box can be injected into the river water area through the water outlet pipe by opening the electromagnetic valve, so that the water in the river water area can be better filtered and purified.

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 utility model belongs to the field of environment restoration, particularly relates to restoration equipment for ecological safety of a land environment, and aims to solve the problems that the existing restoration equipment adopts a manual or simple mechanical means and is low in efficiency and limited in effect, and single equipment can only perform single restoration on land, so that the cost is low. According to the technical scheme, the device comprises a fixing plate, an adjusting plate is slidably connected to the upper surface of the fixing plate, an engine is fixedly connected to the upper surface of the adjusting plate, and a first synchronous wheel and a second synchronous wheel are rotatably connected to the interior of the fixing plate; according to the device, through the arrangement of the spraying assembly, even water spraying or pesticide spraying on the land can be achieved, improvement of the soil fertility and improvement of the ecological environment are facilitated, the worm wheel further drives the rotating rod to rotate, the rotating rod drives the multiple ploughing cutters to rotate, efficient ploughing on the land is achieved, and the remediation efficiency is improved.

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 belongs to the technical field of chemistry and environment, and particularly relates to a COFs (Covalent Organic Frameworks) material for adsorbing radioactive element uranium and a preparation method of the COFs material. According to the COFs material and the preparation method thereof, the adsorption capacity of the COFs material on radioactive element uranium is remarkably improved by converting a reduced imine bond in the COFs into a secondary amine bond, meanwhile, by combining the synthesis method and modification treatment, the obtained COFs material shows excellent performance on the effect of adsorbing the radioactive element uranium, and compared with an unreduced original COFs material, the adsorption capacity of the COFs material is remarkably improved; the adsorbent not only has good adsorption performance, but also has relatively good chemical stability and reusability, and can provide a more effective solution in the fields of uranium removal and environmental restoration.

The utility model discloses a plant ecological transplanting device for environmental restoration, which comprises a storage box, a water tank is arranged in the storage box, a storage battery pack is embedded in one side of the water tank, a partition plate is clamped at the upper part of the water tank, a group of cultivation boxes is clamped in each group of space in the partition plate, and the cultivation boxes are arranged in the storage box. A group of rotating cover plates corresponding to each group of space are rotationally mounted at the upper part of the partition plate; a group of protection tanks are movably clamped in each group of cultivation boxes, light-transmitting annular plates are mounted at the upper parts of the protection tanks in an inserting manner, and spherical covers are movably mounted at the upper parts of the light-transmitting annular plates. The partition plates and the cultivation box are arranged to separate different plants, so that the plants with different habits can be placed independently, meanwhile, the plants are protected through the light-transmitting annular plate and the spherical cover, and the height of the light-transmitting annular plate and the height of the spherical cover can be adjusted according to the heights of the different plants; the plants are protected to the greatest extent in the transplanting process.

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 discloses a method for preparing a micro-nano zero-valent iron material with high dehalogenation activity by micro-moisture ball milling. The micro-nano zero-valent iron material is prepared by mixing and ball-milling a trace amount of water, iron powder and a modified substance as raw materials according to a certain proportion. The material can be used for in-situ remediation treatment of underground water containing chlorine organic pollutants, has higher activity compared with a dry ball-milled zero-valent iron material, can completely remove a target pollutant trichloroethylene within 1 hour at the soonest, has better pH adaptability, and still has higher degradation efficiency under an alkaline condition. The micro-nano ZVI prepared by the micro-moisture ball milling method and the modified material of the micro-nano ZVI are environment restoration materials which are low in cost, high in restoration efficiency, green and low in carbon, are easy to popularize and have better environmental and economic benefits.

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 invention discloses a test device and a test method for observing an oil-shore interaction process of spilled oil. The test device comprises a water tank, a water supply system, an oil spill adding system and a detection and measurement system, an inlet section, a bank slope laying section and an outlet section are sequentially arranged in the water tank, and a river bank medium is laid on the bank slope laying section; the water supply system communicates with the inlet section to supply water flow; the spilled oil adding system is arranged close to the inlet section and used for adding oil into the water flow; the detection and measurement system is in butt joint with the water tank and comprises a flow field measurement system used for detecting a water flow field in the water tank, a water surface oil spill observation system used for detecting the state of a water surface oil film and an oil spill concentration measurement system used for measuring the oil spill adsorption amount of a river bank medium in each time period. According to the technical scheme, an oil spill event in a natural river channel can be simulated, the oil-shore interaction process of oil spill can be deeply analyzed after data are collected through the detection and measurement system, and powerful support is provided for prevention and response of the oil spill event and subsequent environmental restoration.