79 results about "Phytoremediation" patented technology

The invention relates to the technical field of tailing sand treatment, in particular to a method for repairing vanadium titano-magnetite tailing sand by utilizing plants, which comprises the following steps: ploughing and flattening the surface layer of the tailing sand, then applying an organic modifier and a pH regulator, and fully mixing with the tailing sand of 20-40cm on the surface layer; synchronously applying a microbial agent containing heteroform rhizopus in the plant growth substrate, and sowing bermuda grass; performing field management after the cynodon dactylon seedlings survive; after at least one complete growth cycle of the cynodon dactylon is completed and the cynodon dactylon enters a mature period, stubbles of 5-10 cm are reserved by using a harvesting machine for cradling so as to ensure that the cynodon dactylon keeps necessary growing points, so that the cynodon dactylon can be quickly regenerated in the next growing season, and then the cradled cynodon dactylon is treated. The phytoremediation efficiency of the vanadium titano-magnetite tailing sand can be improved, and ecological restoration, resource circulation and environmental safety are also considered.

The invention discloses a lake water ecological restoration monitoring method based on big data, and relates to the technical field of submerged plant monitoring, and the method comprises the following steps: collecting original water quality data of a to-be-restored lake area before the to-be-restored lake area is restored by using submerged plants, and collecting initial water quality data of the to-be-restored lake area after the to-be-restored lake area is restored by using the submerged plants; carrying out correlation analysis treatment to obtain related water quality physicochemical indexes; collecting water quality physicochemical data of related water quality physicochemical indexes of the lake area to be restored, and performing water quality physicochemical change analysis to obtain plant related change data; monitoring and analyzing the submerged plants in the lake area to be restored based on the related change data of the plants to obtain related change information of the submerged plants; the method is used for solving the problem that the development condition of submerged plants cannot be accurately obtained through water body parameters on the premise of not damaging the submerged plants when the submerged plants are monitored at the initial stage of repairing lake water ecology by using the submerged plants in the existing submerged plant monitoring technology.

The invention provides a data processing method and system for tailing pond phytoremediation, and relates to the field of data processing, and the method comprises the steps: obtaining a plurality of historical tailing pond phytoremediation cases; based on a plurality of historical tailing pond phytoremediation cases, a multi-dimensional remediation factor set is determined, and the multi-dimensional remediation factor set comprises a target tailing component factor, a target soil state factor and a target meteorological factor; based on the multi-dimensional repair factor set, collecting repair auxiliary features of the to-be-repaired tailings pond; searching a reference historical tailing pond phytoremediation case from a plurality of historical tailing pond phytoremediation cases based on the remediation auxiliary features of the to-be-remedied tailing pond; based on the reference historical tailing pond phytoremediation case, determining a phytoremediation strategy of the to-be-remedied tailing pond; in the process of executing the phytoremediation strategy of the to-be-remedied tailings pond, the real-time remediation data of the to-be-remedied tailings pond is collected, remediation effect evaluation is conducted, and the method has the advantage that the efficiency and reliability of phytoremediation of the tailings pond are improved.

The invention relates to the technical field of phytoremediation of soil polluted by organophosphate flame retardants / plasticizers, in particular to a method for remedying soil polluted by chlorinated organophosphate by using compositae plant jerusalem artichoke. The compositae plant jerusalem artichoke is planted in the soil polluted by the chlorinated organophosphate, and the plant degrades, removes or remarkably reduces the content of phosphate tri (2-chloroethyl) ester, phosphate tri (1-chloro-2-propyl) ester and phosphate tri (1, 1-dichloro-2-propyl) ester in the soil through the synergistic effect of absorption and root system secreted substances in the growth process. And the content of chlorinated organophosphorus esters such as 2, 3-dichloro-2-propyl) ester and the like is increased. According to the method, the energy plant jerusalem artichoke capable of being used for producing bioethanol or methane is adopted for repairing the soil polluted by the chlorinated organophosphate, the method has the advantages of being small in investment, not high in technical requirement, capable of being used for in-situ repairing and the like, and the situation that the chlorinated organophosphate in the soil enters a food chain through plants and then harms human health can be avoided; meanwhile, raw materials can be provided for production of biological energy.

The application discloses a kind of factory area soil and groundwater pollution risk control method, comprising: obtaining current time and historical time under factory area dataset;Based on the factory area dataset, establish risk prediction model;Based on risk prediction model, the risk level distribution in factory area is divided and repaired;For high-risk area, in-situ chemical oxidation and permeation reaction wall are used for repair;For medium-risk area, plant repair or microbial repair is used;Low-risk area does not need to be repaired;The method of the present application can accurately predict the risk level distribution in the factory area according to the geological parameters of the factory area, the pollution monitoring data and the environmental dynamics, by constructing a risk prediction model that integrates the physical mechanism and the advantages of machine learning, the risk classification output is realized, the accuracy of risk assessment and the repair efficiency are improved, and the pertinence, economy and environmental benefits of pollution control are significantly improved.

This invention discloses a method for improving saline-alkali land in semi-arid regions to enhance plant diversity, comprising the following steps: S1, construction of treatment units; S2, arrangement of treatment units; S3, preliminary soil treatment; S4, planting of plants; and S5, intensive soil treatment. This invention addresses the problems of high salinity and species scarcity in saline-alkali land in semi-arid regions, providing a complete treatment method. By deploying multiple treatment units to form a treatment system, combined with the soil conditioner specifically designed for this invention, the high salinity of saline-alkali soil in semi-arid regions can be alleviated. Simultaneously, by incorporating a phytoremediation system primarily composed of alkali plantations, the biodiversity of exposed saline-alkali land in semi-arid regions can be effectively enhanced. Furthermore, considering seasonal factors and other factors such as rainfall, a one-year treatment plan is ultimately developed. After treatment, the land can be selectively developed into ornamental wetlands or agricultural land, possessing significant economic value.

The invention provides a method for improving phytoremediation of heavy metal cadmium / lead contaminated soil by using beta-cyclodextrin, and belongs to the technical field of heavy metal contaminated soil remediation. The method comprises the following steps: applying beta-cyclodextrin into the heavy metal cadmium / lead polluted soil, carrying out soil flooding treatment, and planting cadmium / lead tolerant and enriched plants; the application amount of the beta-cyclodextrin is 5-25 g / m < 2 >. According to the method, the enrichment capacity of plants to cadmium / lead is remarkably improved through beta-cyclodextrin, and test data shows that after beta-cyclodextrin is applied, the cadmium content of the roots, stems and leaves of amaranthus hypochondriacus is remarkably improved compared with that of a blank group, the repair period is greatly shortened, and the defect that traditional plant repair efficiency is low is overcome. The method has the advantages of being green, safe, easy to operate, quick in effect taking and high in practicability.

The invention belongs to the technical field of environmental restoration, and particularly relates to cyclodextrin cross-linked supramolecular hydrogel as well as a preparation method and application thereof. A construction unit of the supramolecular hydrogel comprises double-bond modified beta-cyclodextrin and acrylic acid interacting with the double-bond modified beta-cyclodextrin through a covalent bond; plant hormones are included in a cavity of the double-bond modified beta-cyclodextrin. The supramolecular hydrogel adhesive tape is provided with charges and cavities, can include plant hormones, and can be used together with soil improvement plants such as green manure to enhance the saline-alkali soil improvement effect by regulating and controlling the salinity of plant rhizosphere soil, improving the emergence rate, promoting plant growth and improving the environmental stress resistance of the plants. Cavities of the double-bond modified beta-cyclodextrin can effectively include plant hormones, and the supramolecular hydrogel is formed through covalent interaction between the acrylic acid and the double-bond modified beta-cyclodextrin. Based on multi-covalent and non-covalent interaction, the supramolecular hydrogel has the advantage of controllably releasing plant hormones, and realizes sustainable environmental remediation by cooperating with plant remediation.

The invention discloses a preparation method and application of a bionic targeted three-dimensional porous cellulose microsphere heavy metal stabilizing agent, and the preparation method comprises the following steps: firstly, reacting ferric chloride hexahydrate with tannic acid to prepare TA-Fe; then, sodium carboxymethyl cellulose and TA-Fe are used as raw materials, and under the crosslinking action of aluminum nitrate, three-dimensional porous cellulose microspheres TA-Fe coated CMC with a metal-phenolic aldehyde network structure are prepared; and adding 4-(4, 6-dimethoxytriazine-2-yl)-4-methylmorpholine hydrochloride and aspartic acid, carrying out a stirring reaction, washing with deionized water, and carrying out freeze drying to obtain the final product. The preparation method is simple and convenient, the reaction condition is mild, and the raw material cellulose is green, environment-friendly and wide in source. The obtained stabilizing agent can efficiently, rapidly and selectively adsorb Pb, effectively reduces the bioavailability of Pb in soil, weakens the toxicity of Pb to plants, and can achieve a synergistic effect with a phytoremediation technology.

The pantoea agglomerans SE16 is classified and named as pantoea agglomerans, and is preserved in the China General Microbiological Culture Collection Center on October 17, 2024, the address is Institute of Microbiology, Chinese Academy of Sciences, No.3, Beichen West Road, Chaoyang District, Beijing, and the preservation number is CGMCC No. 32246. The bacterial strain is applied to strengthening phytoremediation of heavy metal pollution, improving soil nutrients, promoting plant growth and strengthening phytoremediation of pollutants. The strain has the functions of dissolving phosphorus, fixing nitrogen, producing iron carriers, producing indoleacetic acid, ACC deaminase and cellulase, resisting acid, resisting salt and the like, and also can tolerate various heavy metals, polycyclic aromatic hydrocarbons and combined pollution of the heavy metals and the polycyclic aromatic hydrocarbons; by promoting the growth of the sudangrass, improving the photosynthesis of the sudangrass, relieving the oxidation pressure of the sudangrass and changing the composition of soil microbial communities, the toxicity of chromium to the sudangrass is relieved, and the method has practical popularization and application values.

The application provides application of a wild pea in repairing radium-polluted soil, and the wild pea is planted in radium-polluted soil for cultivation and management, when the wild pea grows to a mature stage, the aboveground part of the wild pea is removed from the polluted soil, or the wild pea is completely removed from the polluted soil; the above process is repeated until the radium content in the soil reaches an environmental safety standard. The wild pea is used to repair acidic radium-polluted soil in a subtropical monsoon climate zone, the wild pea grows normally in the acidic soil with low-level radioactive pollution and has no toxic and harmful phenomena. The wild pea at the mature stage has a high transfer coefficient and enrichment coefficient, the total radium removal amount of the aboveground part of the wild pea accounts for more than 80% of the total radium removal amount, and radium can be extracted from the low-level radium-polluted soil. The plant repair method provided by the application has simple operation process and convenient management, does not damage the basic structure and properties of the soil, and is suitable for repairing large-area acidic radium-polluted soil with low level.

The present application relates to a kind of mine ecological environment multilevel repair system and method, including intercepting and draining assembly, water storage assembly, drip irrigation assembly, flow assembly, intercepting and draining assembly is used to prevent soil loss and carry out large-scale water storage, water storage assembly is used to form multiple gradient water storage cavities in waterway.The repair system is repaired to ecological environment by intercepting, water storage, plant repair and other multilevel repair means, intercepting can effectively prevent the surface layer of dump site from losing a large number of guest soil, and water storage range is larger, except a small number of areas, most of the rainwater of entire dump site flows into waterway, water storage can be continuously drip irrigation to slope, effectively solve the problem that the slope water storage capacity is poor and then leads to low vegetation survival rate, also by setting first buoyancy part, when rainfall is large, make the water baffle rise, flow out narrow gap at the bottom of water baffle, so that water flow increases in narrow gap, effectively dredge.

This invention relates to the field of soil pollution control technology, specifically to a microbial-phytoremediation method for heavy metal contaminated soil in mining waste sites. It includes a supporting base layer, on which a leachate collection layer, a heavy metal passivation and isolation layer, a microbial reinforcement layer, and a plant growth layer are sequentially arranged. This invention organically integrates multi-layered structural units to form a spatially ordered structure of leachate drainage—heavy metal passivation—microbial loading—plant growth. It employs immobilized functional microbial agents and embeds multi-parameter sensing devices to establish a monitoring-feedback-control closed-loop system. Simultaneously, hyperaccumulating plants are planted and inoculated with arbuscular mycorrhizal fungi, achieving a shift from an open-loop passive mode to a closed-loop active collaborative mode, avoiding problems such as delayed remediation response, poor synergy, and insufficient long-term stability.

The invention discloses a simulation test system and a simulation test method for a process of phytoremediation of chlorinated hydrocarbon pollutants, the simulation test system comprises a plant experiment box, a water supply system, a monitoring assembly, a liquid recovery bottle and an imaging system, the water supply system, the plant experiment box and the liquid recovery bottle are sequentially connected in series through a hose; the imaging system consists of a lighting lamp box, a camera and a computer; the plant experiment box is used as a main body, so that the influence of plants on the distribution of pollutants in a porous medium in different growth environments can be flexibly simulated, and the change of physicochemical property parameters around a root system can be monitored in real time; by tracking the change of the distribution condition of pollutants in a two-dimensional system, the pollutant removal process of phytoremediation is studied, and the removal effect and action mechanism of different plant growth regulation and control technologies, solubilization strengthening technologies and the like on organic pollutants of plants in a simulated porous medium are verified.

The invention discloses application of insects in accelerating heavy metal pollution purification of soil. According to the method, the heavy metal content in the soil where the broad beans are planted can be further reduced, the effect of accelerating heavy metal pollution remediation of the broad beans is achieved, and the method is a very promising mode for transferring or eliminating a certain pollutant. The method can be applied to a potential target of phytoremediation, and the remediation efficiency of the broad beans can be improved through inoculation of the pests; and a certain theoretical basis is provided for phytoremediation of heavy metal pollution.

The invention belongs to the technical field of water treatment, and discloses a plant coupling electrokinetic remediation and auxiliary agent in-situ treatment system for coastal shallow water type lake and reservoir bottom mud. Comprising a phytoremediation unit, an electrokinetic remediation unit, a feeding unit and an auxiliary unit. Through establishment of an aquatic plant-electrokinetic remediation-medicament-assisted bottom mud in-situ treatment technology integration system and a prediction model capable of guiding application of the technology integration system, an innovative solution which gives consideration to environmental protection, economical efficiency and applicability is provided for treatment of coastal shallow water type lake and reservoir bottom mud endogenous pollution.

A decontamination method for subsurface aquifers having per- and polyfluoroalkyl substances (PFAS) contaminants by injecting gas through a screened well or open tube through a porous media to form buoyant material where the PFAS contaminants accumulate on and / or in the buoyant material and rise to the water table or top of the aquifer with PFAS that desorbs from the buoyant material and concentrates in the shallow groundwater, and extracting or sequestering the groundwater near the water table or top of the confined aquifer and / or collecting the buoyant material for treatment. The method may include treatment of aquifer material consisting of gravel, sand, silt, clay, or fractured geologic media, or combination, and extraction through phytoremediation, groundwater extraction wells, wellpoint systems, or groundwater extraction trenches and include a seal and / or check valve near the water table in the trench to selectively permit water and buoyant material to flow upward.

The invention discloses a soil remediation method combining plants and a heavy metal composite treatment agent, and relates to the technical field of environmental remediation, according to the method, core-shell structure microcapsules with rhizosphere response release characteristics are adopted as the composite treatment agent, a shell layer is sulfydryl functionalized nano-hydroxyapatite, and rapid fixation of heavy metal is achieved; the inner shell layer is a PHBV controlled release layer and responds to degradation of plant root exudates; and the core is loaded with an EDDS chelating agent and a pH buffering agent which are selectively released at the rhizosphere to activate heavy metals. The technical problems that antagonism exists between existing chemical immobilization and phytoextraction technologies, and synergistic interaction is difficult are solved, the contradiction between chemical remediation and phytoremediation is overcome, safe, efficient and sustainable soil heavy metal synergistic remediation and space-time coupling of non-rhizosphere region heavy metal stabilization and rhizosphere micro-region efficient activation are achieved, and the soil heavy metal remediation effect is improved. The heavy metal absorption efficiency of the hyperaccumulator is obviously improved.

The present invention is directed to a phytoremediation system and related methods of forming and using such phytoremediation system. A phytoremediation system may include one or more plants, such as one or more trees, and one or more porous materials. The one or more porous materials may include a glass-based porous material. The one or more porous materials may include a biomolecular porous material.

The application belongs to the technical field of soil remediation, and discloses a portable soil plant remediation device based on heavy metal pollution, which comprises a remediation device, support plates are installed on the two sides of the remediation device, sliding grooves are symmetrically formed in the inner walls of the support plates, and sliding blocks are symmetrically and fixedly connected to the two ends of the remediation device.In the application, the operator first moves the remediation device to a heavy metal contaminated soil area, starts a servo motor to drive a connecting shaft to rotate, drives a rotating shaft to rotate through gear meshing, makes a threaded shaft move up and down, and then drives the remediation device to slide down and insert into the soil for fixation, and then starts a suction pump to make liquid enter a serpentine pipe through a water outlet and a conveying pipe, and finally opens an electromagnetic valve, so that the liquid is uniformly sprayed on the contaminated soil from a spray head, and the remediation device is conveniently and easily used when the heavy metal contaminated soil is subjected to plant remediation, the operation difficulty and labor intensity of the remediation work are reduced, and the flexibility and applicability of the device are greatly improved.

This invention discloses a promoter specifically expressed in leaf veins, its expression vector, and its applications. Belonging to the fields of genetic engineering and biotechnology, this invention uses thermal asymmetric PCR and chromosome walking technology to clone a full-length 1772 bp promoter sequence from *Pteris vittata*. This promoter replaces the CaMV35S promoter on the vector pCAMBIA1381Z, thereby driving the expression of the downstream GUS reporter gene. The recombinant plant expression vector containing this specific expression promoter is transformed into tobacco to verify its function, confirming that this promoter can drive the GUS gene in tobacco leaves. This invention utilizes this promoter to construct a plant expression vector driving the expression of the *Pteris vittata* arsenite reverse transport protein PvACR3. Transforming this vector into tobacco confirms that this specific promoter driving PvACR3 expression can specifically increase the arsenic content in tobacco leaves. The promoter of this invention can be used to cultivate transgenic arsenic-accumulating engineered plants, promoting the development of phytoremediation technology.

The application belongs to the technical field of plant stress resistance regulation, and particularly relates to application of kynurenic acid in improving salt stress adaptability of cynodon dactylon. The application finds that, before and / or during salt stress, exogenous application of kynurenic acid to cynodon dactylon can significantly reduce the degree of oxidative stress (H2O2), the level of membrane lipid peroxidation (MDA) and the content of osmotic regulator substance proline, effectively relieve salt damage reaction and improve the adaptability of cynodon dactylon in a high-salt environment. The method is simple in operation, suitable for plant remediation and environmental protection planting in saline soil, and has a good application prospect.

The present application relates to the water ecological restoration technical field, specifically to a kind of detection device and application method for assisting submersed plant recovery, including working system, for water navigation, carry information acquisition system, sampling system, store and transport collected water quality, sediment sample;Information acquisition system is used to obtain point coordinate information, water depth, flow rate, transparency and shoot underwater submersed plant and sediment image;Sampling system is used to simultaneously carry out water quality, sediment sample collection;Information receiving and processing terminal is used to receive the information of information acquisition system, and process underwater image, analysis obtains submersed plant species, coverage, biomass level grade and sediment category and pollution degree grade information, then comprehensive discriminant analysis is carried out.The present application can simultaneously obtain the hydrology of water body, sediment characteristics and submersed plant distribution characteristics, and simultaneously monitor water quality and other indicators of sediment, and assist system to identify submersed plant suitable recovery area, avoid the risk of blindly carrying out large-scale submersed plant restoration investment.

The invention discloses a tailing pond ecological restoration method, belongs to the technical field of environmental ecological restoration, and particularly relates to a tailing pond ecological restoration method which comprises the steps that the ground surface of a target tailing pond is leveled, and a to-be-restored area is formed; mixing a compound organic fertilizer, a water-retaining agent and growth-promoting bacteria, spreading the mixture on the surface of the to-be-repaired area, performing shallow rotary tillage on the mixture and surface tailing slag, watering and standing; mixing seeds of the tolerant herbaceous plants, and sowing; irrigating according to weather conditions to ensure that the seeds survive, regularly observing vegetation growth conditions, naturally growing, and finishing ecological restoration after 6-12 months. Through the synergistic effect of organic improvement, moisture retention, microbial growth promotion and phytoremediation, the tailing extreme matrix is quickly and effectively improved, the construction of pioneer plant communities is promoted, and the ecological restoration of the tailing pond is realized. The method is wide in raw material source, low in cost and simple in process, and has remarkable ecological benefits and application prospects.

The utility model relates to the field of planters, and discloses a vegetation restoration planter convenient to irrigate. The vegetation restoration planter convenient to irrigate comprises an equipment main body plate, a water tank is arranged at the upper end of the equipment main body plate, a water adding opening is formed in the upper end of the water tank, and a water pumping electric pump is arranged at the lower end of the equipment main body plate, so that planting operation is facilitated; in the using process, water stored in the water tank is conveyed into the irrigation opening through the water pumping electric pump, then irrigation operation is conducted during planting, the protection plate protects the position of the irrigation opening, it is guaranteed that the position of the equipment assembly is stable, a water source is conveniently added into the water tank through the water adding opening, and therefore normal operation of the equipment is guaranteed. Planting holes can be irrigated conveniently after the drilling device drills the planting holes, and plants can be planted conveniently, so that phytoremediation operation is carried out.

The application discloses a method for promoting plant remediation of heavy metal contaminated soil by using modified biochar and microorganisms, and relates to the technical field of remediation of heavy metal contaminated soil. The application prepares a remediation agent, which comprises an inner layer, a middle layer and an outer layer structure, and is provided with a coating between the layers, and the outer part of the outer layer is further coated with an outer coating. The inner layer comprises modified biochar and a first microbial agent, the middle layer comprises modified biochar and a second microbial agent, and the outer layer comprises dolomite powder and oyster shell powder. The remediation agent is used in combination with heavy metal enrichment plants to co-remediate contaminated soil, so that the enrichment plants can grow well in the environment with high acid and high concentration of heavy metals, the problem of low biomass of the enrichment plants is solved, and efficient remediation of the contaminated soil is finally realized.

The invention belongs to the technical field of wastewater treatment and constructed wetland systems, and relates to a method for treating new pollutants in wastewater by using a constructed wetland-phycomycete composite system. The invention discloses a method for treating new pollutants in wastewater by utilizing a constructed wetland combined phycomycete composite system, which comprises the following steps of: respectively immobilizing and carrying algae and functional florae in a specific proportion through a three-layer wetland structure, and realizing efficient coordination of various processes such as physical filtration, adsorption, aerobic biodegradation, anaerobic biological reduction, phytoremediation and the like. The system has the advantages that multiple bottlenecks of a traditional wetland in the aspect of new pollutant treatment are overcome, the treatment efficiency and adaptability are improved through the design of multi-level collaboration, bacteria and algae immobilization, exogenous nutrition supplementation and the like, the reliability and sustainability of the system are enhanced, and the system has wide popularization and application prospects.

The application provides a method for synergistically repairing water body with aquatic plants and converting with black soldier fly, comprising the following steps: 1) harvesting the aquatic plants of yellow flower water dragon which have completed water body repair, fishing them out of the water body, crushing them to a suitable size, and uniformly spreading them on a collection film; 2) uniformly spraying the crushed aquatic plants with a bacterial solution for pre-fermentation to improve the palatability of black soldier fly larvae to the crushed aquatic plants; 3) after the pre-fermentation process is completed, black soldier fly larvae of 3-5 days old are put in, and after the larvae grow by feeding for 2-3 weeks, the larvae are collected; and 4) using a separation device to separate black soldier fly fresh larvae and a mixture of feces. The application innovatively combines water purification and waste resource utilization, first purifies and repairs the water body with the help of aquatic plants, and then uses black soldier fly larvae to efficiently convert the biomass which has completed water body repair, thereby constructing a transfer cycle of water body nutrients from the water environment to black soldier fly protein.

The present application provides a tea tree microbial root secretion combination preparation with the function of repairing heavy metal cadmium, and relates to the technical field of microbial preparation.The tea tree microbial root secretion combination preparation with the function of repairing heavy metal cadmium comprises the following components in parts by weight: tea tree microbial root secretion combination agent 50-70 parts, stabilizer 10-20 parts, penetrating agent 10-20 parts, and promoting agent 10-20 parts.The present application takes tea tree microbial root secretion as the main active ingredient, combines the advantages of microbial and plant repair, has the ability of efficiently, environmentally-friendly and sustainably repairing heavy metal cadmium contaminated soil, and the stabilizer is added in the preparation to ensure the stability and activity of the preparation in the storage and use process, guarantee that the preparation can still play a good repair effect after long-term storage, and further, the addition of the penetrating agent and the promoting agent can further improve the permeability of the combination preparation, thereby enhancing the repair effect.

The invention discloses a bionic floating type hydro-fluctuation belt phytoremediation system capable of adaptively adjusting the water level, and relates to the field of ecological remediation and biomimetic material application. A modular floating unit comprises a bionic buoyancy base, and a closed cavity communicated with an external water body is formed in the bionic buoyancy base; the closed chamber is a drainage bag and air bag composite system for adjusting buoyancy to maintain the ecological planting layer at a proper ecological water level; an ecological planting layer and a connecting and anchoring unit; the problem that a traditional fixed restoration structure in water level periodic fluctuation areas such as a reservoir area, a river channel and a lake is difficult to maintain ecological stability is solved, and through the synergistic effect of the bionic buoyancy base and the flexible anchor, the system can automatically, stably and vertically ascend and descend along with water level fluctuation; the problems that a traditional fixed project is not suitable for a violent hydrological change area and an existing floating island is not suitable for the violent hydrological change area are fundamentally solved, and a continuous and stable growth platform is provided for plants in the extreme dry-wet alternation environment of the hydro-fluctuation belt.