53 results about "Red tide" patented technology

The invention discloses an offshore red tide multi-parameter real-time monitoring method and monitoring system based on a buoy array. The method comprises the following steps: S1, performing array deployment and topology configuration according to a sea area sensitivity degree, tide characteristics and a historical red tide trajectory; according to the invention, through risk differentiation buoy array deployment and redundancy topology, traditional isolated monitoring limitation is solved, and sea area full coverage and red tide diffusion tracking are realized; physical-chemical-biological multi-source sensing and in-situ detection are combined with data fusion, so that the problem of single parameter is solved, and the monitoring accuracy is improved; by means of liftable stratified sampling and in-situ algae species and toxicity analysis, the vertical monitoring blank is filled up, and the complete life cycle process of red tide from occurrence to regression is completely captured; through linkage of edge-cloud multi-model early warning and field equipment, a'monitoring-early warning-disposal 'closed loop is formed, and the red tide monitoring real-time performance and the emergency response capability are greatly improved.

The invention relates to the technical field of environment monitoring, in particular to a seawall ecologicalization real-time monitoring method based on multi-source data fusion. The method comprises the following steps: acquiring structure monitoring data, ecological monitoring data and water quality monitoring data of a seawall through an Internet of Things sensor, and acquiring remote sensing data of a seawall area in combination with satellite remote sensing and an unmanned aerial vehicle image; performing space-time registration and fusion on different data sources to generate a unified multi-source fusion data set; identifying a red tide abnormal event based on the fused data set, and constructing a red tide influence conduction model for predicting the damage degree of the red tide to the ecological system and the influence of the red tide to the stability of the embankment body; establishing a coupling evaluation model of ecological indexes and structural indexes, calculating a coupling coefficient by using a fuzzy comprehensive evaluation method, dynamically adjusting ecological and structural weights according to a model output result, and calculating a seawall comprehensive health index; graded early warning information is automatically generated according to a preset threshold value, and collaborative monitoring and intelligent early warning of seawall ecology and structure safety are achieved.

The invention relates to the technical field of image recognition, in particular to a red tide algae recognition method based on a hyperspectral image, and the method comprises the following steps: calculating a gradient value of each pixel in a spatial dimension and a spectral dimension according to an original hyperspectral data cube, setting a diffusion coefficient for diffusion, and obtaining a three-dimensional fidelity hyperspectral data cube. According to the method, the gradient change trends of the spatial dimension and the spectral dimension are extracted at the same time pixel by pixel, and the regional differentiation diffusion operation is matched, so that the expression ability of the alga plaque boundary and the consistency of the internal spectral characteristics are enhanced, and the fidelity of the hyperspectral data in fine-grained region identification is improved; upper convex hull calculation of a spectral reflectivity curve and construction of a continuous spectrum background baseline are introduced, and characterization of pigment absorption morphological characteristics is enhanced; and in combination with the characteristic absorption wave bands of chlorophyll and phycobiliary, the synergistic weighted response to the distribution of the algae pigment is realized, and the sensitivity and selectivity of pigment recognition are improved.

The invention discloses a marine ecological early warning management system and method based on multi-source data, and relates to the technical field of marine data monitoring. The method comprises the following steps: presetting sampling time and synchronously acquiring water body parameters and environmental parameters of each sampling layer at a sampling point; calculating a standard vertical gradient, and constructing an incidence matrix; calculating association strength to form an interlayer association vector; extracting a trend slope and a time difference degree of the inter-layer association vector, and splicing to obtain a space-time association vector; a sliding window method is adopted to calculate covariance between the space-time correlation vector and each environment parameter time sequence, a dynamic coupling coefficient is obtained, and a coupling coefficient matrix is constructed; and comparing the coupling coefficient matrix with the reference matrix element by element, and realizing accurate early warning of the red tide risk through a preset threshold value. According to the method, the time-space correlation characteristics of the multi-source data are fused, so that the early-stage and accurate early warning of the red tide is realized.

The invention belongs to the technical field of microorganisms, and particularly relates to application of marine phycobacterium LZ-14T in production of indole-3-acetic acid. According to the present invention, the interphycobacterium LZ-14T is named as Maricatenella alexandrii gen. Nov., sp. Nov. The present invention discovers that the interphycobacterium LZ-14T can achieve the effect of significantly inhibiting the synthesis of the PSP toxin by releasing the IAA signal molecule under the condition of promoting the growth of the host algae. The new discovery can provide a new theoretical basis for analyzing the generation mechanism of paralytic shellfish poison of alexandrium chainchain and exploring scientific prevention and control of red tide. The invention also finds that the IAA produced by the phycobacterium LZ-14T can inhibit the growth of escherichia coli, and the result lays a foundation for the preparation of new antibacterial drugs.

The invention relates to the technical field of red tide disaster prevention and control, in particular to a method for improving red tide treatment efficiency of polyaluminum chloride modified clay. The specific method comprises the following steps: activating the polyaluminum chloride modified clay with acid, and then applying the activated polyaluminum chloride modified clay into a sea area to be treated, so that the red tide organisms in the sea area are removed. The method can synchronously improve the pH of the red tide water body and reduce aluminum compound residues, has high efficiency, low cost and ecological safety, and is suitable for large-scale application.

The invention discloses a three-dimensional red tide drift risk early warning method and system based on set disturbance, and relates to the technical field of physical oceanography, and the system comprises an ocean data summarization module, a red tide outbreak evaluation module, a red tide underwater three-dimensional drift module, and a red tide water surface multi-parameter disturbance drift module. A red tide risk early warning module and a red tide visual product manufacturing module. Performing dynamic evaluation by combining a biological model structure set to obtain a red tide outbreak early warning result, performing calculation by adopting a three-dimensional floating dynamic equation to obtain an upward floating speed of the red tide, performing calculation based on multi-parameter disturbance to obtain a red tide drift path, and performing spatial overlay analysis based on a red tide potential coverage area to obtain a red tide hazard risk grade result. And a visual product is generated. According to the method, the whole-process and three-dimensional early warning of the red tide from underwater growth and floating to water surface drifting is realized, and the accuracy and decision support value of red tide risk forecasting are remarkably improved through wave-tide-flow-ecology coupling analysis.

The invention belongs to the technical field of sewage treatment equipment, and particularly relates to a high-spinning-state sulfur-ferrihydrite adsorption material for a fixed bed, a preparation method and fixed bed adsorption equipment. According to the high-spin-state sulfur-ferrihydrite adsorption material for the fixed bed, in the preparation process, through the weak field ligand effect of sulfur, a FeO6 octahedron of ferrihydrite is triggered to generate remarkable Taylor (Jahn-Teller) distortion, Fe < 3 + > is induced to be converted into a high-spin state, spin polarization is regulated and controlled, part of low-spin-state Fe < 3 + > ions are promoted to be converted into the high-spin state, and the high-spin-state sulfur-ferrihydrite adsorption material for the fixed bed is obtained. The high-spin-state sulfur-ferrihydrite is obtained, the affinity with phosphate is enhanced, and the phosphate adsorption performance of the ferrihydrite is improved at present; the high-spinning-state sulfur-ferrihydrite is filled into fixed bed adsorption equipment, so that pollution of wastewater and sewage discharge to natural water bodies such as underground water, rivers and oceans can be effectively reduced, and the phenomena of algae bloom and red tide are avoided.

A water treatment system for the treatment of red tide contaminated water is provided. The system utilizes a cavitation system combined with the addition of compressed air or concentrated oxygen into the fluid flow. The system is able to very efficiently destroy red tide organisms as well as the toxins they create—brevetoxins.

The application discloses a red tide polarization database acquisition device and method based on a polarization bidirectional reflection model, belongs to the technical field of data acquisition devices, selects a polarization bidirectional reflection model to perform modeling, and performs data acquisition on related data such as different solar zenith angles, different solar azimuth angles, different observation zenith angles, different observation azimuth angles, different wind speeds, different wind directions, different seawater temperatures and different seawater salinities in different regions of the sea through the red tide polarization database acquisition device. In actual testing, the theoretical formula derivation is compared with the actual acquisition result, if the confidence degree is more than 60%, the model is confirmed to be accurate, otherwise, the model is optimized, secondary modeling is performed to increase the fitting degree of the model, and the purpose of accurately identifying red tide dominant species is achieved, and the prediction accuracy of red tide is improved. The application solves the problems that the existing polarization database lacks data of red tide dominant species, a large amount of manpower and material resources are required to detect and analyze collected red tide water sample, and the efficiency is low and the cost is high.

The invention belongs to the technical field of red tide elimination operation, and particularly relates to a red tide elimination operation implementation method and matched equipment. S1, acquiring red tide biomass information on line; s2, digitalizing and instructing the red tide biomass information, converting the obtained non-digitalized red tide biomass information into digital signals, and converting digits reflecting the red tide biomass information into corresponding machine operation control signals; the machine operation control signal can realize continuous and automatic regulation and control of elimination agent application based on red tide biomass information; and S3, a machine operation control signal is received, elimination work of continuously and automatically regulating and controlling elimination agent application based on the red tide biomass information is executed, and regulation and control of elimination agent application are achieved by adjusting the spraying and applying intensity to achieve change of the dosage per unit area. By the adoption of the method and equipment, the application amount of the eliminating agent can be accurately controlled, the implementation efficiency of red tide eliminating operation is high, and the purpose of red tide prevention and control is achieved.

The invention provides a marine microalgae rapid death-flocculating settling-seabed carbon storage method and shipborne equipment. The method comprises the following steps that a ship loaded with hydroxyl radical equipment is driven to a red tide outbreak sea area, a collector collects marine microalgae and pumps the marine microalgae into a main pipeline on the ship, and a drum of an enrichment device rotates at a high speed to enrich the microalgae; the OH solution is generated by the OH solution generation equipment and is injected into the liquid / liquid mixing and dissolving device formed by connecting the hydraulic cavitators in parallel to form a huge amount of liquid drops, the OH kills microalgae and mineralizes algal toxins at the moment of collapse of the liquid drops, and the morphology of algae cells is complete; conveying the dead algae to a flocculation tank, adding a flocculant-coagulant aid to form floccules with the dead algae, and settling at the position 3-5m below the sea surface along a main pipeline to realize carbon storage of the marine microalgae; according to the microalgae density and flow of the main pipeline, 1-5 gas-liquid mixing and dissolving devices of OH solution generation equipment are started, and 2-10 hydrodynamic cavitators and 1-5 flocculation tanks are correspondingly started; the central control system carries out fault diagnosis, prediction and early warning, intelligent monitoring and health management.

The application discloses an ocean environment monitoring method and device based on artificial intelligence and a storage medium, wherein the satellite sea area image is subjected to image segmentation to determine a plurality of first red tide risk areas on the satellite sea area image; current multi-dimensional ocean data collected by a movable marine buoy is used to determine a buoy pixel point category of a pixel point corresponding to the movable marine buoy; a prompt vector is generated based on the buoy pixel point category of the pixel point corresponding to the movable marine buoy; the satellite sea area image is subjected to secondary image segmentation based on the prompt vector and the satellite sea area image to determine a plurality of second red tide risk areas on the satellite sea area image; a plurality of movable marine buoys are allocated to each second red tide risk area; each movable marine buoy corresponding to the second red tide risk area is controlled to move to the corresponding second red tide risk area; and the plurality of second red tide risk areas on the satellite sea area image are updated. The application can improve the accuracy of ocean environment monitoring.

The invention provides an ocean multi-parameter water quality synchronous surveying and mapping and dynamic monitoring method and system based on GNSS positioning, and relates to the technical field of intelligent control, and the method comprises the steps: carrying out the spatial correction of first water quality parameter data after interference compensation through a correction value, so as to obtain the corrected first water quality parameter data; performing space-time matching processing on the corrected first water quality parameter data and the second water quality parameter measurement data to generate a synchronized water quality parameter data set corresponding to the real-time position information; based on the synchronized water quality parameter data set, performing water quality dynamic change analysis to obtain an analysis result; and when the analysis result meets a preset early warning condition, red tide early warning information is generated and issued. According to the invention, the red tide can be monitored and early warned more timely and accurately.

The invention discloses a red tide early warning method based on multi-source data and machine learning, and the method comprises the following steps: collecting sub-surface water detection data and weather environment data through a ship-borne laser radar, satellite remote sensing and a buoy, and carrying out the preprocessing of the data; and establishing a neural network model, training the neural network model by using historical data, and performing prediction and early warning on the red tide by using the trained neural network model. The red tide early warning method can overcome the defects in the prior art and improve the accuracy of red tide early warning.

This invention discloses a method for short-term red tide trend prediction that considers the dissipation process under high wind speeds, belonging to the field of red tide development trend prediction. The method includes the following steps: S1, obtaining the initial distribution area of ​​the red tide, characterizing the red tide with multiple algal clusters, and determining the initial number of algal clusters and the initial position of each cluster; S2, determining the wind speed threshold and duration threshold; during the algal cluster drift process, determining the dissipation status of the algal clusters and updating the count of currently surviving algal clusters; S3, constructing an algal cluster migration model, updating the position of algal clusters determined to be surviving in S2 according to the constructed model; S4, repeating S2 and S3 to complete the short-term red tide trend prediction considering the dissipation process under high wind speeds. This invention can more accurately predict the short-term trend of algal cluster distribution and the range of red tide influence, providing decision-making assistance and technical support for the scientific and effective management of red tides.

The application discloses a kind of marine red tide disaster early warning method and system based on unmanned plane, mainly related to marine red tide disaster early warning technical field, to solve the problem of insufficient multi-source data fusion, high maintenance cost, hyperspectral sensor processing slow of existing scheme.There is:by being equipped with thermal infrared sensor and chlorophyll concentration collector unmanned plane, determine initial red tide abnormal area;Based on the biological fluorescence band involved in red tide, configure corresponding fluorescence sensor;Through the unmanned plane equipped with fluorescence sensor, detect whether there is fluorescence reaction in initial red tide abnormal area;When there is fluorescence reaction, determine that initial red tide abnormal area is red tide abnormal area;By collecting reflected fluorescence intensity, determine the corresponding red tide marker concentration;Obtain the biological fluorescence band of current fluorescence sensor, determine the red tide marker type of current red tide abnormal area.

The application discloses a kind of marine ecological space red tide risk area division methods, it is related to marine ecological regional division technical field, including the following steps: through monitoring point collection sea water body's chemical oxygen demand, inorganic nitrogen, active phosphate and dissolved oxygen, obtain the original data of sea water body;And pretreatment is carried out, obtain the reference data of sea water body, and establish water body parameter variation index, obtain water body variation index data;And obtain the reasonable threshold of water body parameter variation index, obtain index reasonable threshold information;Based on the chemical oxygen demand of collected sea water body, inorganic nitrogen, active phosphate and dissolved oxygen, and according to index reasonable range information, divide red tide risk area;The present application is used to solve the problem that the existing marine ecological regional division technology cannot be combined with the eutrophication index of water body according to the index change of regulatory sea water body when dividing red tide high-risk area in specified sea area, and timely and reliably divide out red tide high-risk area.

This invention provides a method for monitoring marine red tides based on chlorophyll fluorescence remote sensing, belonging to the field of remote sensing monitoring technology for large floating algae in nearshore areas. The steps of this invention include: acquiring sunlight-induced chlorophyll fluorescence data, chlorophyll concentration data, and fluorescence index data of the target area; performing gridding and data quality control on the sunlight-induced chlorophyll fluorescence data to obtain effective sunlight-induced chlorophyll fluorescence data; screening the effective sunlight-induced chlorophyll fluorescence data according to chlorophyll concentration, correcting the screened sunlight-induced chlorophyll fluorescence data for solar zenith angle to obtain corrected sunlight-induced chlorophyll fluorescence data; constructing a relationship model based on the corrected sunlight-induced chlorophyll fluorescence data and fluorescence index data, performing linear threshold conversion to determine the sunlight-induced chlorophyll fluorescence threshold for red tide identification, identifying red tides in the target area, and obtaining red tide monitoring results. This method improves the accuracy and reliability of red tide monitoring.

To provide an ecologically safe method for controlling and sterilizing algae. [Solution] The present invention discloses a method for inhibiting and sterilizing algae, wherein diacetyl is added to the water to be treated and acts under sunlight irradiation to inhibit the growth of algae and fungi, the algae being Skeletonema costatum, synonyms, Microcystis erginosa, or red tide dinoflagellates, and the fungi being Escherichia coli or Staphylococcus aureus. The present invention uses diacetyl as the active substance, can exert algae-inhibiting and sterilizing effects under natural light alone, has good selectivity, is environmentally friendly, economical and efficient, and is applicable to algae-inhibiting and disinfection of shallow lakes, swimming pools, seawater / freshwater aquaculture farms, or landscape water bodies.

This invention discloses a red tide / hypoxia intelligent early warning method and device based on multi-source data fusion. The system constructs a three-dimensional monitoring architecture of "air-space-sea", integrating high-resolution satellite remote sensing, SAR data, and in-situ sensor information of jacket structures. Spatiotemporal data interpolation is achieved through the DINEOF algorithm, and transfer learning is combined to optimize the red tide identification model and LSTM network to predict hypoxia risk. A lightweight CNN is deployed at the edge computing layer to achieve real-time algal species classification. The cloud dynamically calculates the comprehensive risk index of red tide / hypoxia, triggering a graded response: yellow alerts automatically adjust feeding and oxygenation, and red alerts drive the jacket structures to sink for disaster avoidance. The system achieves low-power communication and device linkage through LoRaWAN and Modbus RTU protocols, forming a "monitoring-decision-execution" closed loop with a response latency of less than 10 minutes, significantly improving early warning accuracy and emergency automation level, and is suitable for intelligent aquaculture scenarios in deep sea areas.

The invention provides a method and equipment for killing red-tide algae and mineralizing algal toxin on a ship and on the sea surface by spraying, and the method comprises the following steps: extracting the red-tide algae in a collector, pumping the red-tide algae into an enrichment device for enrichment, starting OH solution equipment to generate an OH solution, and enabling the OH solution to flow into a secondary mixing and dissolving tank for further mixing and dissolving oxygen active particles; an OH solution is injected into the spraying device on the sea surface through a pipeline I, and huge micro jet flow is sprayed from micropores to diffuse, mix and dissolve and kill red tide algae; an OH solution is injected into a plurality of jet devices through a pipeline II to form a huge amount of tiny liquid drops, and OH kills red tide algae and mineralizes algal toxins at the collapse moment, so that the completeness of algae cells is ensured; dead algae are input into a static mixer through a main pipeline, a flocculating agent is added to flocculate the dead algae to form dense floccules, and the dense floccules settle below the sea surface by 3 m along the main pipeline; the algae density is controlled to be lower than an outbreak threshold value 106 cells / L, and the safety of animals cultured in the seawater net cage is guaranteed; 2-10 jet devices are started according to the density and flow of red tide algae of the main pipeline; and the central control system is used for real-time data analysis, situation awareness, energy efficiency management and health management equipment.

The application discloses a kind of spherical brown cyst algae red tide automatic detection method based on video monitoring, comprising the following steps: S1, utilize the image data of high-definition monitoring camera on buoy platform to collect sea surface, image data is transmitted to database in real time after, and image data is preprocessed;S2, formulate marking scheme, mark the image data after pre-processing, construct training sample library;S3, YOLOv8 target detection model is trained and optimized, and spherical brown cyst algae identification model is obtained;S4, the video monitoring picture to be identified is framed with certain time interval, then each frame of picture is input into spherical brown cyst algae identification model and is identified, and spherical brown cyst algae red tide monitoring information is automatically generated;The method can realize the efficient and accurate monitoring of cyst body generated when spherical brown cyst algae red tide by combining video monitoring technology and artificial intelligence target detection algorithm, so as to significantly improve the real-time and automation level of spherical brown cyst algae red tide monitoring.

The invention discloses a Karenia mikimotoi red tide biotoxicity and risk assessment method, and belongs to the field of marine environment monitoring and ecological risk assessment. The method comprises the steps of karenia mikimotoi culture, marine model fish model establishment, karenia mikimotoi exposure, multi-system toxicity index detection and data analysis. By integrating five toxic pathways (hemolysis injury, detoxification metabolism, oxidative stress, immune inflammation and reproductive function), systematic evaluation from a micromechanism (gene / cell) to a macroscopic effect (tissue / individual) is realized, and a toxic action mechanism is comprehensively revealed. By means of LDH, blood sugar, ROS and other sub-lethal indexes, early warning is achieved before irreversible injury occurs, and more abundant response time is provided for red tide disaster prevention. Traditional phenomenon observation is broken through, multi-system dysfunction caused by energy depletion, immune attack and other new mechanisms of Karenia mikimotoi is revealed through a key gene expression mode, and a new target is provided for toxicity prevention and control.

The present application belongs to the technical field of environmental protection, and particularly relates to a method for controlling formation of red tide and simultaneously reducing abundance of resistance genes and virulence factors by using natural flash zinc ore. The method comprises the following steps: first, preparing a microscale natural flash zinc ore suspension with photocatalytic activity; then, adding the suspension into seawater containing red tide algae; and finally, culturing under suitable conditions for the algae to survive, so as to achieve the purposes of controlling formation of red tide and inhibiting spread of resistance genes and virulence factors. The method for controlling formation of red tide and simultaneously reducing abundance of resistance genes and virulence factors provided in the present application utilizes visible light to drive the nano natural flash zinc ore to generate H2O2 and e ‑ and other various free radicals to attack microbial cells, so as to inhibit propagation of algae and pathogenic bacteria hosts in water, and reduce abundance of resistance genes and virulence factor genes in the process of algal bloom, thereby solving the technical problem of lack of simultaneous control of red tide, pathogenic bacteria and resistance genes in the prior art.

The invention discloses a flow type microscopic imaging device and method for floating algae based on microfluidics, belongs to the technical field of microfluidics, and aims to solve the problems of low sample flux and easiness in blockage in the prior art. The method comprises the following steps of: 1) constructing negative pressure through pump-back of an injection pump, driving a sample to stably flow through a micro-fluidic chip at 50 mu L / min, and realizing high-flux and high-resolution imaging of algae by combining a 4K global shutter camera (with a long side parallel flow direction); 2, an independent flushing system is designed, a peristaltic pump drives pure water to reversely flush a micro-channel through a one-way valve module, and the blocking problem is solved. The PEEK one-way valve module is adopted for optimizing the sealing performance, and a bright field light source and a focusing platform cooperatively calibrate a light path. The device breaks through the efficiency bottleneck of traditional manual microscopic examination and is suitable for the fields of water quality monitoring, red tide early warning and the like.

The invention discloses a quaternary ammonium / quaternary phosphorus salt dication functionalized bio-based algae removal material and a preparation method thereof. The bio-based algae removal material is a dicationic functionalized bio-based material which is obtained by grafting hydrophilic linear macromolecules on the surface and modifying two acting groups of quaternary ammonium salt and quaternary phosphonium salt on the linear macromolecules at the same time, and is applied to removal of red tide algae in seawater. The bio-based algae removal material is simultaneously modified with two dication functional groups of quaternary ammonium salt and quaternary phosphonium salt, can realize electrostatic adsorption removal of red-tide algae in seawater and surface tension reduction of red-tide algae sediments, accelerates gas exchange and decomposition of the sediments and a water body, is efficient in action and environment-friendly, and can be widely applied to the field of water treatment. The method can be used for efficiently removing red tide algae such as karenia mikimotoi and quickly decomposing sediments.

This invention discloses a red tide control method based on year-round cultivation of Gracilaria fusiforme, belonging to the field of red tide control. The method includes: selecting sea areas requiring prevention or restriction of red tide outbreaks, or adjacent sea areas, as cultivation zones; using heat-resistant and rapidly growing Gracilaria fusiforme seedlings; and implementing a year-round multi-crop rotation cultivation system centered on seedling introduction from April to September to ensure that Gracilaria fusiforme is in its vigorous growth period during the peak red tide season in summer, continuously absorbing nutrients such as nitrogen and phosphorus from the water, thus achieving dynamic regulation of nutrient levels in the sea area and suppressing red tide occurrences at the source. This invention, through year-round multi-crop rotation cultivation, precisely covers the peak red tide season in summer, breaking through the bottleneck of the misalignment between traditional seaweed cultivation and red tide control. Simultaneously, as an economically valuable seaweed, Gracilaria fusiforme can create significant socio-economic benefits during ecological restoration, forming a long-term mechanism that synergizes environmental, ecological, and economic benefits, providing an efficient, environmentally friendly, and economically valuable innovative solution for red tide control.

The present application belongs to the technical field of red tide prevention and control, and particularly relates to a method for improving the flocculation and sedimentation of clay to treat red tide by seawater micro-electrolysis. The method for improving the efficiency of clay in treating red tide by micro-electrolysis is to apply the clay treated by micro-electrolysis to the sea area to be treated, so that the red tide organisms in the sea area can be removed. The efficiency of removing red tide organisms of the clay suspension liquid prepared by seawater and subjected to micro-electrolysis is much higher than that of the clay suspension liquid without electrolysis, is significantly higher than that of only electrolyzing seawater, and is also significantly higher than the sum of the removal rates of red tide organisms of the two. Therefore, compared with only using clay to remove algae, the method for treating red tide by micro-electrolyzing the clay suspension liquid can effectively reduce the dosage of clay in the water body; compared with only electrolyzing to remove algae, the method can reduce the introduction of algicidal active substances.