39 results about "Algaecide" patented technology

The invention discloses a lake and reservoir dominant algae community structure prediction method and system based on machine learning and a storage medium, and relates to the technical field of water environment monitoring and ecological prediction. Comprising the following steps that multi-source heterogeneous spatio-temporal data are obtained and fused, and the multi-source heterogeneous spatio-temporal data are historical time sequence data of a target water area; generating a feature vector from the fused multi-source heterogeneous spatio-temporal data; constructing a multi-output regression machine learning model, and inputting the feature vector into the multi-output regression machine learning model for training to obtain a multi-output prediction model; and inputting real-time monitoring data into the multi-output prediction model to generate a prediction result of a future dominant algae community structure. According to the method, whether cyanobacterial bloom or diatom bloom exists in the future can be clearly early warned, so that a manager can take targeted measures, for example, a specific algicide or ultrasonic equipment is used for the cyanobacteria, blind pesticide application is avoided, and the cost and the secondary pollution risk are reduced.

The multipurpose unmanned aerial vehicle comprises a transmission unmanned aerial vehicle body, floating blocks are fixedly connected to the two sides of the bottom of the transmission unmanned aerial vehicle body, a storage battery is fixedly installed on one side of each floating block, a pesticide storage box is fixedly installed on the surface of a supporting plate, and a booster pump is fixedly installed on the top of the pesticide storage box. A connecting pipe is rotatably installed at a water outlet of the booster pump, a spraying head is rotatably installed at the top of the transmission unmanned aerial vehicle, a cleaning unmanned aerial vehicle is fixedly connected to the tail end of the traction power line, a first transmission motor is fixedly installed at the bottom of the positioning rod, and a cutting blade is fixedly connected to a transmission shaft of the first transmission motor. The cleaning unmanned aerial vehicle has the advantages that algicide in the pesticide storage box is automatically sprayed to the water surface through the booster pump in the transmission unmanned aerial vehicle, pesticide cleaning of algae on the water surface is achieved, the cleaning unmanned aerial vehicle moves in the water, the algae in the water body are cut and cleaned through the cutting blades, manpower is saved, and meanwhile the cleaning efficiency is improved. And the cleaning efficiency of the algae in the water environment is greatly improved.

The present invention aims to provide a moss killer that exhibits excellent moss-killing effects and has minimal impact on the treated substrate. [Solution] A moss killer containing a compound represented by general formula (I). TIFF2026135961000008.tif4689 [R1 represents OH or CH3COO, R2 represents H, OH or OCH3, R3-5 represent H or CH3, and n represents 1 or 2. Here, when R2 is H, R5 represents H, and when R2 is OH or OCH3, R5 represents CH3.

The invention provides application of a macleaya cordata extract as a plant source algaecide in cyanobacterial bloom treatment, and relates to the technical field of plant source algaecide product development and environmental protection. The total alkali content of the macleaya cordata extract is 50-80%, and the main effective components of the macleaya cordata extract comprise 40-60% of sanguinarine and 10-20% of chelerythrine. The blue-green algae comprise microcystis aeruginosa, anabaena, nematonema, synechocystis, oscillatoria and nostoc. As a plant source in China, the macleaya cordata has great development and utilization values, has the advantages of wide antibacterial spectrum, no drug resistance, no residue, good safety, wide distribution and the like, and has great development prospects.

This utility model relates to the field of chemical equipment technology and discloses a mixing vessel for preparing a bactericide and algaecide solution. The vessel includes a tank body, with a transmission seat fixedly connected to the upper end of the tank body via multiple support rods. A mixing assembly is disposed between the tank body and the transmission seat. A waste gas purification assembly is disposed on one side of the tank body. The mixing assembly includes two lifting threaded rods, both rotatably connected to the transmission seat. The threads of the two lifting threaded rods are arranged in opposite directions. Lifting sleeves are threaded onto the outer walls of both lifting threaded rods. Lifting frames are fixedly connected to the lower ends of both lifting sleeves. A stirring motor is fixedly disposed inside each of the two lifting frames. In this utility model, by providing a mixing assembly, the two stirring rods can be staggered in their lifting and lowering, and combined with the rotation of the stirring rods, the stirring range is effectively expanded, forming a three-dimensional stirring trajectory, significantly improving the uniformity of the solution mixing and increasing the mixing efficiency.

1. Name of the Design Product: Industrial Scale and Fouling Removal Processor. 2. Use of the Design Product: For industrial scale and fouling removal, sterilization and algaecide, anti-corrosion and scale inhibition, and removal of biological slime. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photograph that Best Illustrates the Design Key Points: Perspective view.

An additive transporter, housing additive ingredients of synergists and surfactants preferably for use in a natural, weed control application, insect control application, algae removal and / or mold removal end-use application. In certain non-limiting embodiments, the transporter can be fluid soluble. Where the transporter is fluid soluble it can be added to a container / bottle having a desired amount of water and organic acid or inorganic acid causing the transporter to dissolve and release the additive ingredients for mixing with the water and organic acid. Preferably, the additive or product enhancer ingredients can be organic ingredients and can comprise, without limitation, citric acid, potassium oleate, wintergreen oil and almond oil. Potassium citrate can also be included. As the transporter dissolves the released ingredients mix with organic acids and / or inorganic acids to provide an end-use composition for eco-friendly weed control, insect control, algae removal and / or mold removal. Though not considered limiting, the transporter can be in the form of a pod, packet, pouch, capsule, carton, or cardboard / plastic / metal container.

An additive transporter, housing additive ingredients of synergists and surfactants preferably for use in a natural, weed control application, insect control application, algae removal and / or mold removal end-use application. In certain non-limiting embodiments, the transporter can be fluid soluble. Where the transporter is fluid soluble it can be added to a container / bottle having a desired amount of water and organic acid or inorganic acid causing the transporter to dissolve and release the additive ingredients for mixing with the water and organic acid. Preferably, the additive or product enhancer ingredients can be organic ingredients and can comprise, without limitation, citric acid, potassium oleate, wintergreen oil and almond oil. Potassium citrate can also be included. As the transporter dissolves the released ingredients mix with organic acids and / or inorganic acids to provide an end-use composition for eco-friendly weed control, insect control, algae removal and / or mold removal. Though not considered limiting, the transporter can be in the form of a pod, packet, pouch, capsule, carton, or cardboard / plastic / metal container.

The utility model relates to the technical field of integrated cold stations, in particular to an integrated cold station capable of automatically adding chemicals and discharging sewage, which is characterized in that chemicals such as algicide are added into a water cooling tower through a chemical adding mechanism, and the chemicals are added into the water cooling tower in time by the chemical adding mechanism according to the water quantity condition in the water cooling tower; after the algaecide is mixed with water in the cooling tower, growth of algae in the cooling tower can be delayed, the algaecide is matched with the pollution discharge mechanism, and the pollution discharge mechanism discharges corresponding high-concentration water in time, so that formation of incrustation, bacteria and the like in the cooling tower is reduced. According to the embodiment, growth of algae and scaling of cooling water are effectively slowed down, the heat exchange efficiency of the filler in the cooling tower and the heat exchange efficiency of the condenser are improved, and the service life of the filler and the service life of a heat exchange pipe in the condenser are prolonged.

The invention discloses a method for removing microcystis aeruginosa by using an improved bacillus algaecide, which is characterized in that the improved bacillus algaecide is used for treating a water body containing microcystis aeruginosa, and the improved bacillus algaecide comprises coconut shell charcoal and bacillus. In the improved bacillus algaecide adopted by the invention, the coconut shell biochar has rich oxygen-containing and nitrogen-containing functional groups, can have good compatibility with bacillus, and can promote and improve the algae removal activity of the algaecide under the interaction of the coconut shell biochar and the bacillus, so that when the improved bacillus algaecide is used for removing microcystis aeruginosa, the algae removal efficiency of the algaecide is improved. The microcystis aeruginosa algal bloom adsorbent has the advantages of good biocompatibility, strong algae removal activity, long acting time duration, good reusability, convenience in use and operation and the like, and can effectively control microcystis aeruginosa algal bloom pollution in water.

The use of pectins and / or polymers to prevent nicotine oxidation in tobacco containing products is disclosed. These polymers may be naturally occurring anionic polymers or synthetic polymers. These pectins and / or polymers prevent nicotine from oxidizing into cotinine, nicotine-cis-N-oxide, nicotine-trans-N-oxide, and / or nicotine-1,1-di-N-oxide. Molluscicides, algaecides, pesticides, and stabilized nicotine compositions comprising nicotine and pectin, anionic polymers, or combinations thereof are disclosed.

A buoy for the sustained release of a payload, such as an algaecide, into an aqueous environment is described. For the buoy to release the payload into the aqueous environment, the payload diffuses through a hydrogel fixedly housed within the buoy.

Provided is an algaecide which has high compatibility with a resin and high algaecide resistance, and which has reduced influence on the appearance of an object to be applied. This algicide for preventing the adhesion of terrestrial algae contains a fatty acid having 1-22 carbon atoms and a fatty acid metal salt of a metal, wherein the metal is copper, bismuth, zinc, magnesium, cobalt or a rare earth element.

This application relates to a raw material mixing device for the production of bactericides and algaecides, belonging to the technical field of mixing equipment. It includes a mixing tank, a mixing shaft, mixing blades, and a reduction drive motor. A feeding assembly is installed at the top of the mixing tank, and multiple flow-dispersing components are also installed inside the tank. These components include a rotating body, gears, racks, and an electric push rod. The rotating body is rotatably mounted inside the mixing tank. By incorporating these flow-dispersing components, in the early stages of mixing, the inclined surface of the flow-dispersing section faces the direction of the raw material's movement, allowing the raw material to flow quickly over the inclined surface, enabling rapid circulation. During this process, vortices are also formed behind the flow-dispersing components, providing initial turbulence and mixing. In the later stages of mixing, the electric push rod drives the rotating body to change direction, obstructing the flow of raw material and causing disorder within the mixing tank, thus ensuring thorough mixing and a good mixing effect.

This invention discloses an ecological slow-release algaecide and its preparation method, relating to the field of water treatment technology. The algaecide comprises 30%-50% copper oxychloride, 5%-50% basic copper carbonate, 5%-50% copper hydroxide, 5%-50% copper oxalate, 8%-12% copper sulfate pentahydrate, 2%-8% calcium sulfate dihydrate, 2%-8% oxalic acid dihydrate, 9%-18% pregelatinized starch, and 1.5%-2% magnesium stearate. The preparation method includes: weighing and mixing the components; pulverizing the mixed powder, sieving, and drying in an oven; and pressing the dried powder into tablets. This invention features a simple preparation process and low raw material costs. The algaecide of this invention has stable and long-lasting release, effectively reducing the frequency of algaecide application, and ensuring that the copper ion concentration in the water does not exceed the standard, greatly reducing the risk of water pollution caused by excessive algaecide application, while also reducing the labor costs associated with long-term algaecide application.

The invention discloses a polyaluminum chloride-based algaecide and a preparation method thereof. The polyaluminum chloride-based algaecide comprises the following raw materials: 10-15 parts of sodium bicarbonate, 15-20 parts of quaternized chitosan, 2-3 parts of basic sodium aluminum carbonate, 10-15 parts of polyaluminum chloride, 5-8 parts of hydrated calcium chloroaluminate, 30-40 parts of red algae biochar, and 40-50 parts of anhydrous ethanol. The polyaluminum chloride-based algaecide prepared by the invention has high algae removal efficiency, fast flocculation and sedimentation speed, is iron-free, has low residual aluminum content, and can achieve a phosphorus removal effect. Sodium bicarbonate generates carbon dioxide at the bottom of the water, which drives the quaternized chitosan to dissolve in the water and disperse with bubbles, thereby increasing the particle collision degree in the water body and eliminating the need for manual stirring. The quaternized chitosan can be adsorbed and combined with negatively charged algae such as cyanobacteria in the water body, precipitated from the water, and adsorbed with the polyaluminum chloride to form flocs, thereby achieving the purpose of algae removal.

The present invention discloses a bifunctional algaecide for inhibiting the growth of harmful algae and a preparation method thereof, and belongs to the technical field of water pollutant treatment. The method of the present invention introduces an EDU functional group while condensing SiO2-COOH with CP through an EDCI-mediated condensation method, thereby obtaining a bifunctional algaecide SiO2@EDU@CP with flocculation / photocatalysis. Under the irradiation of a 23W white light lamp or even sunlight, SiO2@EDU@CP can generate superoxide radicals and holes to inhibit the growth of Microcystis aeruginosa. Through reasonable optimization of reaction conditions, the method can achieve an inhibition rate of up to 94.8% on Microcystis aeruginosa within 740 minutes of reaction under light, and can also inhibit the growth of cyanobacteria in the actual environment of Taihu Lake. The SiO2@EDU@CP has a very broad application prospect as an algaecide that can inhibit cyanobacteria in a broad spectrum.

The invention discloses a water pollution control method for cooperatively controlling algae outbreak and treating algae pollution by using common copper ions and iron ions, and belongs to the field of water environment pollution and control. According to the invention, the growth of algae is controlled through the synergistic effect of copper ions and iron ions; the growth of algae is inhibited through the toxic effect of the copper ions on specific proteins of algae cells; algae are inactivated by utilizing the synergistic effect of iron ions and copper ions; the forms of iron ions and copper ions are adjusted, so that algae outbreak is controlled, and algal blooms are controlled. Compared with the traditional copper algaecide, the copper algaecide has the advantages of better algaecide efficiency, lower medicament consumption, lower treatment cost, longer-term algaecide effect, wider application range and less environmental influence.

The invention discloses an algaecide putting device which comprises a controllable water surface moving carrier, an algaecide storage device and a water stirring device are arranged on the water surface moving carrier, an algaecide spraying channel is arranged in a stirring piece of the water stirring device, and the algaecide spraying channel is communicated with the algaecide storage device through an on-off controllable conveying channel. A spray head is arranged on the water stirring device, is positioned in the rotating center of the stirring piece, and is communicated with the algicide storage device through an on-off controllable connecting channel; when the water surface moving carrier is located on the water surface, the stirring piece and the spray head are submerged in water. According to the algaecide spraying device, during spraying, strong shearing force is generated through the stirring pieces, surrounding water is driven to move, turbulent flow is formed, algaecide can be rapidly and fully mixed with the water immediately, the algaecide is sprayed out through the algaecide spraying channels in the stirring pieces, diffusion of the algaecide is further accelerated, and the algaecide spraying effect is improved. The algaecide can be uniformly diffused into a large-range water body space by combining with the generated thrust, so that the utilization rate of the agent and the algae removal efficiency are improved.

Antipathogenic polypeptides and related compounds and compositions that display antipathogenic activity, antifungal activity (i.e., act as fungicides), antialgal activity (i.e., act as algaecides), and / or enzymatic activity against chitin (i.e., degrade chitin) and / or polyglucuronic acid (i.e., degrade the polyglucuronic acid) are described. These antipathogenic polypeptides, as well the related compounds and compositions disclosed herein, can be used in protecting / treating products, including but not limited to agricultural products and water bodies (including drinking water), from pathogens, including fungi and algae, as well as generating pathogen-resistant products (particularly fungi-resistant and / or algae-resistant products).

The invention relates to a bacterial strain capable of being used for killing spirulina, which is preserved in China General Microbiological Culture Collection Center (CGMCC) on December 25, 2024, and the preservation number is CGMCC No.46274. The invention provides a novel bacterial strain which can be used for forming a mixed bacterial solution and forming a stable algae killing system. The system can finally kill the spirulina by infecting the spirulina and enabling the spirulina to survive by utilizing nutrient substances of the spirulina, and meanwhile, the algae killing system can also induce mutation of genomes of spirulina cells.

The invention relates to the technical field of water environment treatment, and particularly discloses a degradable foam carrier-based yellow moss synergistic treatment system which comprises the following steps: S1, preparing a surfactant solution: dissolving a nonionic surfactant in deionized water to form the surfactant solution with the concentration of 0.5%-2%; s2, preparing a modified PAC solution: dissolving modified polyaluminum chloride (PAC) in deionized water to form a solution with the concentration of 2-5%, and adding organic acid to adjust the polymerization degree and the stability of the solution; s3, preparing an algicide solution: preparing sodium percarbonate or other oxidative algicides into microspheres or dissolving into a solution with the concentration of 2-10%; the degradable foam carrier is combined with a medicament slow release technology, so that the algicide and the flocculant can be controllably released in a water body, the problem of over-high local concentration or rapid failure caused by one-time dosing of medicaments in the traditional technology is avoided, the effect of stably treating yellow moss for a long time is achieved, and the service life of the algicide and the flocculant is prolonged. And meanwhile, the agent waste and the influence on non-target organisms are reduced.

The invention relates to the technical field of algaecide, in particular to algaecide and a preparation method thereof. The algaecide comprises the following components: nanoscale copper-based molybdate particles and a dispersing agent, and the nanoscale copper-based molybdate particles comprise one or more of nano copper molybdate and nano basic copper molybdate. The algaecide can safely and efficiently remove algae, can continuously inhibit algal bloom, is wide in pH application range, cannot cause overhigh local copper ion concentration, is environment-friendly, can remove other organic pollutants including algal toxin through photocatalysis, further controls water body pollution, and has a very good application prospect.

The invention relates to the technical field of water environment treatment, and particularly discloses a snorkeling type algae control reoxygenation device for self-adaption algae growth and elimination rhythm, which comprises an energy control module, an air bag, a filler hanging basket and a light sensing module, the filler hanging basket is provided with an upper-layer space and a lower-layer space, an oxygen slow-release agent is stored in the upper-layer space, and an algaecide is stored in the lower-layer The photosensitive module is used for collecting illumination intensity; an electric control switch valve is mounted on a pipeline communicated with the air bag; the energy storage power supply is used for supplying power; and the controller is used for controlling the electric control switch valve to be opened after the illumination intensity reaches or exceeds a preset illumination triggering threshold value, so that the device sinks after the air bag is exhausted. The invention discloses a snorkeling type algae control reoxygenation working method for self-adaptive algae growth and elimination rhythm. The method comprises an algae removal stage when a device floats on the surface of a water body and a reoxygenation stage after the device sinks. The scheme is used for solving the problems of difficulty in automatically and quickly identifying the growth and extinction conditions of algae, inactivating the algae with low energy consumption and synchronously treating the hypoxia and secondary pollution of the bottom water body caused by the extinction and deposition of the algae in the prior art.

The present invention relates to an allelopathic substance slow-release agent and its preparation method and application, and belongs to the technical field of water environment treatment. The technical problem solved by the present invention is to provide a preparation method of an allelopathic substance slow-release agent with good slow-release and algae-inhibiting effects. The method extracts magnolia grandiflora leaves and barley straw powder with water to obtain an extract; sodium alginate, magnolia grandiflora leaves and barley straw powder are added to the extract, and stirred until the sodium alginate is completely dissolved to obtain a sodium alginate solution; the sodium alginate solution is dripped dropwise into a calcium chloride solution, stirred, and allowed to stand after the dropwise addition is completed to obtain gel balls; taken out, washed, and an allelopathic substance slow-release agent is obtained. The allelopathic substance slow-release agent of the present invention can release allelopathic substances in a sustainable low dose to inhibit algae, and the dosage is low. Only 50 g-100 g is required per ton of water to achieve algae-inhibiting effects, and the slow-release effect is good. A good inhibitory effect can also be achieved 21 days after the administration. It can be used as a slow-release algaecide and expanded to actual rivers and lakes.

Products and methods related to the enhancement of efficacy of algaecides and / or aquatic herbicides using metallic trivalent cations, as well as the reduction in ecotoxicity and non-target effects and preservation of water quality. Some embodiments advantageously provide the benefit of binding phosphorus, but allow for a substantial reduction in the dissolved trivalent metal and an increased ability to target the main source of future phosphorus release. In one aspect of an embodiment, a trivalent cation delivery system includes a commonly available commodity that can be simultaneously added to the water or mixed in a tank prior to the application, avoiding the need for an industrial process to cohere the components. In another aspect of the embodiment, the trivalent cation delivery system may be accomplished by the use of an algaecide and / or aquatic herbicide prior to the application of the phosphorus binding metal.

The invention discloses an unmanned aerial vehicle-based cooperative algae control system and method with an intelligent putting underwater robot, and the system comprises an unmanned aerial vehicle, an underwater robot, and a cooperative control platform. The unmanned aerial vehicle is provided with a monitoring camera and a positioning module, the monitoring camera monitors algae on the water surface based on visible light and multispectral light, and the positioning module is used for positioning the unmanned aerial vehicle in real time. The underwater robot is internally provided with an algae removal module, the algae removal module comprises an algae control agent unit and a negative pressure adsorption unit, the algae control agent unit is used for releasing an algae removal agent, and the negative pressure adsorption unit is used for adsorbing an algae-rich water body to reduce the algae density. The cooperative control platform comprises a wireless communication module. According to the invention, the unmanned aerial vehicle and the underwater robot can be linked, and the unmanned aerial vehicle can provide a global visual field for the underwater robot, so that accurate launching of the underwater robot can be realized, an optimal algae removal effect is achieved, and the algae removal efficiency can be greatly improved.

Systems and methods for controlling algal growth in a condensate drain line. In one embodiment a temperature value is acquired which is indicative of an ambient temperature about the drain line. One or more volumes of algaecide are calculated for injection one or more times per day into the drain line.

The invention relates to a special algae-removing antibacterial plastic functional master batch for an aquarium fish tank and a preparation method thereof, and belongs to the technical field of functional polymer composite materials and water treatment. Specifically, the master batch is prepared by the following steps: loading a quaternary ammonium salt algae-removing antibacterial agent (such as dodecyl dimethyl benzyl ammonium chloride) in mesoporous silica microspheres, coating the surfaces of the mesoporous silica microspheres with a crosslinked polystyrene / nano-silver composite shell in situ by adopting a reverse-phase Pickering emulsion template polymerization method, and finally carrying out melt blending on the mesoporous silica microspheres and fully biodegradable carrier resin. The master batch synchronously realizes triple functions of blocking algaecide precipitation in processing, silver ion slow-release antibacterial synergistic algae removal and delaying the release rate of the algaecide, can be directly put into a fish tank or injection-molded into a fish tank accessory for use, and realizes long-acting, slow-release and safe algae removal, antibacterial and water quality cleaning effects.

A method of reducing the cyanuric acid in a body of recreational water by adding an algaecide such as metal ions to the body of recreational water before reducing the chlorine content in the body of recreational water followed by adding a cyanuric acid reducing agent to the body of recreational water to generate byproducts where the addition of chlorine can be used to remove the byproducts from the body of recreational water before adding additional chlorine to establish a safe level of chlorine in the body of recreational water.