33 results about "Algal agent" patented technology

The invention discloses a quaternary ammonium salt type composite algaecide for preventing and controlling harmful algae in a reservoir water body and a preparation method of the quaternary ammonium salt type composite algaecide. According to the preparation method, gemini quaternary ammonium salt (dichlorinated 1, 1 '-([1, 1'-biphenyl]-4, 4 '-diyl) bis (N-benzyl-N, N-dimethyl ammonium), dichlorinated N, N'-([1, 1 '-biphenyl]-4, 4'-diyl bis (methylene)) bis (N, N '-(1, 1'-biphenyl]-4, 4 '-diyl bis (methylene)) is utilized to react with N, N'-(1, 1 '-biphenyl]-4, 4'-diyl) bis (N-benzyl-N, N- According to the present invention, N, N-dimethylpyridine-4-amine), dodecyl dimethyl benzyl ammonium bromide, dodecyl dimethyl benzyl ammonium chloride, hexadecyl dimethyl benzyl ammonium chloride, benzalkonium chloride, isothiazolinone and derivatives thereof are respectively subjected to synergistic algal inhibition, and are used for inhibiting common algal blooms in reservoir water. The quaternary ammonium salt type composite algaecide has a higher removal rate on harmful algae (such as microcystis aeruginosa) in a water body of a reservoir, can effectively control water bloom caused by the harmful algae in the water body, and is simple to prepare and good in algae removal effect.

The invention discloses a movable lake water body ecological restoration device, belongs to the technical field of water body ecological restoration, and aims to solve the problems that algae are easily broken when the algae are collected in a stirring manner, and the utilization rate of an algicide is relatively low when the algicide is sprayed on the water surface. An overturning assembly is rotationally arranged at the lower end of the second lifting assembly, a telescopic assembly is fixedly arranged on the overturning assembly, a rotating assembly is arranged at the output tail end of the telescopic assembly, a clamping assembly is fixedly arranged on the outer side wall of the rotating assembly, and a plurality of auxiliary assemblies are arranged on the clamping assembly in an embedded and overturning mode; according to the algae removal device, algae are collected in a rolling mode, the number of broken algae can be effectively reduced, algicide is sprayed to the broken portions of the algae, the contact time between the residual algae and the algicide can be prolonged, and the algae removal device has a good algae removal effect.

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.

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.

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 invention discloses a preparation method of trigonelline inner salt and application of the trigonelline inner salt in inhibition of algae growth, the preparation method comprises the following steps: S1, ethyl nicotinate reacts with dimethyl sulfate in methanol to obtain N-methyl ethyl nicotinate monomethyl sulfate salt; s2, stirring and reacting with alkali and thiourea in deionized water while heating to obtain a trigonelline inner salt crude product; and S3, adding an acid to adjust the pH value, adding methanol, filtering, concentrating the solvent, and pulping by using isopropanol to obtain a pure product of the trigonelline inner salt. The method provided by the invention effectively reduces the synthesis cost, avoids the use of a large amount of dangerous reagents, eliminates the residue of toxic reagents, effectively reduces the generation of industrial three wastes, and has the advantages of simple process, convenient operation, cheap and easily available raw materials, high yield, and facilitation of large-scale industrial production. Experimental studies show that the trigonelline inner salt has obvious effects of inhibiting algae growth and killing algae, and can be applied to algicides or inhibiting algal blooms in water.

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.

The present invention relates to the field of microbial control, and discloses polybrominated N-phenyl-5-o-hydroxyphenylpyrazole-3-carboxamides, a preparation method thereof, and an application thereof. The compound has a chemical structure shown in formula (I), wherein R 1 and R 2 each independently selected from hydrogen, halogen or methyl, R 3 , R 4 , R 5 each independently selected from hydrogen, halogen, methyl, methoxy, trifluoromethyl or trifluoromethoxy. The polybrominated N-phenyl-5-o-hydroxyphenylpyrazole-3-carboxamides of the present invention have high cyanobacteria inhibitory activity and are suitable for use as algicides.

The application discloses a method for improving the algae removal effect of copper-loaded biochar, and comprises the following aspects: 1) taking corn stalks as raw materials, and preliminarily preparing original biochar through high-temperature anaerobic pyrolysis, and then loading copper sulfate on the carrier original biochar to obtain a copper-loaded biochar algae removal agent; 2) adding a certain amount of the copper-loaded biochar into a water body in which a Microcystis aeruginosa algal bloom breaks out, and inoculating a certain proportion of an inorganic salt solution; and 3) determining the best proportion of the inorganic salt by comparing the changes of indexes such as the algae cell removal rate. The application utilizes the inorganic salt ions to increase the particle size of the copper-loaded biochar, improves the contact efficiency of the copper-loaded biochar and algae, increases the salt stress and cell membrane damage of the algae cells, and further improves the algae removal efficiency. The application inoculates the inorganic salt solution into the Microcystis aeruginosa algal liquid to strengthen the algae removal effect of the copper-loaded biochar, and can be applied to the killing of harmful blue-green algae in lakes and sewage treatment plants.

The invention discloses a preparation and effect evaluation test method of a novel nano-zinc blue-green algae inhibitor, relates to the technical field of blue-green algae inhibitors, and aims to solve the problems that the whole drug effect cannot be subjected to a sufficient contrast experiment in the culture and test process of the existing chemical algicide for algae removal; in order to solve the problem of reduction of the overall comparison effect caused by possible occurrence of different conditions in different environments due to the fact that the same contrast experiment is not carried out in the overall experiment process, the technical scheme is characterized by comprising the following steps: S1, culturing algae; s2, algae killing test: mixing the expanded culture algae liquid with new sterilized BG11 to prepare a diluted algae liquid with the blue algae density of about 6.00 * 10 < 6 > / mL, and then respectively taking 120mL of diluted anabaena solution, microcystis solution and chlorella solution; s3, determining the density of algae; and S4, obtaining a determination result, and obtaining the inhibition effects of the medicaments in the control group on different algae. The effects of ensuring overall normal measurement and increasing the accuracy of overall measurement are achieved.

The invention relates to the technical field of oxidizing agent sterilization algicide, and discloses an oxidizing agent sterilization algicide on-site generation tank which comprises a PE storage tank, a feeding port, an exhaust port, a liquid drainage assembly, a sampling assembly and a stirring mechanism are sequentially arranged above the PE storage tank, and a liquid level meter is installed on one side of the PE storage tank. The driving assembly drives the rotating shaft sleeve to rotate, and the rotating shaft sleeve drives the mounting arm and the stirring part to rotate, so that multi-position liquid disturbance is formed, and the contact area is enlarged; meanwhile, the pushing assembly can enable the hollow inserting shaft to drive the connecting part to be connected with the air outlet assembly, then air is input through the air conveying pipe, the air outlet assembly continuously blows out the air upwards, longitudinal air flow from the tank bottom to the liquid level is formed, liquid is driven to form up-down circulating convection, and stirring can cover all areas of the tank body; the bubbles rise to push the liquid at the bottom to be fully mixed with the upper layer, so that the raw materials are dissolved more quickly, the reaction is more sufficient, and the precipitation phenomenon is reduced.

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 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 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 provides application of closantel compounds in inhibition of growth of blue-green algae, and relates to the technical fields of environmental protection, aquaculture and the like. The cyanobacteria fructose 1, 6-diphosphate / sedoheptulose-1, 7-diphosphatase enzyme body experiment shows that the closantel compound has a relatively good inhibition effect on cyanobacteria Cy-FBP / SBPase, and the IC50 of the closantel compound is 0.16 + / -0.01 [mu] M to 15.3 + / -1.7 [mu] M. The cyanobacteria growth inhibition experiment shows that the EC50 for inhibiting various cyanobacteria is 0.46-14.52 [mu] M, which is superior to the current commercial algicide prometryn, and has the safety to human bodies, so that the closantel compound can be used as an effective component of the algicide to be applied to comprehensive treatment of cyanobacteria bloom, and has a good application prospect in the comprehensive treatment of cyanobacteria bloom. The application field of the closantel compound is also widened.

The invention relates to the technical field of preparation data processing, in particular to a power plant circulating cooling water degerming algicide preparation method, which comprises the following steps: acquiring Zeta potential regulation and control data, interfacial tension change rules and corrosion inhibitor adsorption kinetic parameters based on an orthogonal test, extracting principal component factors through data cleaning and standardization treatment, and calculating the concentration of the principal component factors; and constructing a dynamic response curved surface model of the ratio of the main and auxiliary agents and the microbial inhibition effect. In a dynamic simulation experiment, convolutional coding is fused with turbidity, a hardness space distribution matrix and a microbial population multi-dimensional vector to generate a water quality feature vector, and the association rule mapping library is combined with system operation parameters to generate a self-adaptive adding mode switching instruction. Cyclic verification data iteratively updates the model weight through a feedback correction module, an optimization parameter set of the compounding proportion, the temperature control gradient and the adding strategy is generated through cross validation, a preparation process closed-loop control system is formed, and the technical problems that multi-source data integration is low in efficiency, dynamic correlation analysis is missing, and a process quantification model is imperfect are effectively solved.

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.

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 present invention relates to the use of a tertiary amine selected from N-methyldiethanolamine (CAS 105-59-9), N-ethyldiethanolamine (CAS 139-87-7), N-propyldiethanolamine (CAS 6735-35-9), N-butyldiethanolamine (CAS 102-79-4), N-t-butyldiethanolamine (CAS 2160-93-2), dimethylethanolamine (CAS 108-01-0), diethylethanolamine (CAS 100-37-8), dipropylaminoethanol (CAS 3238-75-3), diisopropylethanolamine (CAS 96-80-0), or dibutyldiethanolamine (CAS 102-81-8), and / or N-(3-aminopropyl)diethanolamine (APDEA), and / or 2,2'-(octylimino)bisethanol as a biocide, the biocide being one or more (including any combination thereof) of antimicrobial agents such as bactericides, fungicides, sporicides, algicides, antiviral agents, microbial stabilizers. Also disclosed are additives, compositions, and products using the aforementioned tertiary amines, as well as methods for providing biocidal effects and microbial stability to various products.

The present application relates to a kind of fine water mist infrared stealth solution and its preparation method, which is made of the following components by weight percentage: glycerol 85-95%, choline chloride 0.3-0.6%, pure water 10-15%, dispersing agent 0.3-0.6%, nanoparticle 0.2-0.4%, algicide 0.04-0.06%, each component is blended, then add water to prepare 16%-20% aqueous solution. The atomized concentrate prepared by using glycerol, choline chloride, dispersing agent, nanoparticle and algicide can further improve the atomization shielding effect and increase the fine water mist particle suspension time, and it is also convenient for users to quickly configure the fine water mist infrared stealth solution.

The utility model discloses a raw material pretreatment device for germicidal algicide production, which belongs to the technical field of raw material pretreatment devices for germicidal algicide production, and adopts the technical scheme that the raw material pretreatment device comprises a germicidal algicide mixing device body, and the top of the germicidal algicide mixing device body is bolted with a water storage component; the top of the water storage assembly is in bolted connection with a filtering assembly; the filtering assembly comprises a water inlet hopper, an electric telescopic rod body is connected to the rear side of the water inlet hopper in a bolting mode, a connecting block is connected to the top of the electric telescopic rod body in a bolting mode, a top cover is connected to the front side of the connecting block in a bolting mode, and a servo motor body is connected to the top of the top cover in a bolting mode. The problems that a water source needs to be filtered, impurities in the water source are mostly intercepted through a filter screen and the like in existing filtering, the impurities can be adsorbed on the surface of the filter screen for a long time, and follow-up water source filtering is affected due to blockage are solved.

Described is a container, a cartridge, a kit and method for slow release of algaecide in swimming pools. The container includes—a hollow housing having a top portion with an internal cavity defining a sub-hollow space within the housing; an open bottom portion for filling the housing with the algaecide; and a lid for closing the open bottom portion of the housing. The cartridge includes a container having a top portion having an internal cavity defining a sub-hollow space within the housing, that sub-hollow space having a dissolving powderous compound. The cartridge further includes a dissolving algaecide composition cast inside the housing and covering the dissolving powderous compound. Described also is a method for the slow release of algaecide, and kits including the cartridge. Slow release of algaecide during an extended period with the cartridge is helpful in the maintenance of swimming pools, particularly during the wintering period.

The present invention belongs to the field of removal of Microcystis in water, and specifically relates to a method based on Ca 2+ With C2O4 2‑ The application of the formed crystal system in removing Microcystis from water, and the application of the crystal system containing Ca 2+ and C2O4 2‑ The algaecide of the salt of these two crystal-forming ions. The present invention focuses on protecting Ca 2+ With C2O4 2‑ The formed crystal system is used to remove Microcystis from water bodies, that is, the CaC2O4 crystals are used to remove Microcystis from water bodies. The present invention also protects algaecides containing CaC2O4 crystals and their uses. Over 30 days, the overall removal rate for Microcystis aeruginosa was maintained at over 95%, the overall removal rate for Microcystis whitney was maintained at over 99%, and the overall removal rate for Microcystis blooms was maintained at over 96%, demonstrating that the CaC2O4 crystals are excellent and stable in removing Microcystis.

The utility model belongs to the field of filtering devices, and particularly relates to a sterilization algicide liquid medicine multi-stage precision filtering device which comprises a tank body, supporting legs are fixedly connected to the lower end of the tank body, a supporting rod is fixedly connected to the upper end of the tank body, a guide hopper is fixedly connected to the upper end of the supporting rod, and a turnover mechanism is arranged on the tank body. A barrel is arranged on the turnover mechanism, a filter screen is fixedly connected to the interior of the barrel, and a cleaning mechanism is arranged on the barrel. The connecting plate drives the sliding rod to rotate, then the supporting shaft drives the barrel to rotate, the barrel can be turned over, then the filter screen is turned over, water enters through the guide hopper, the filter screen can be washed, and impurities attached to the filter screen are convenient to clean.

The invention discloses an algaecide for removing lead in complex high-salt water. The algaecide is prepared from the following components in parts by weight: 0.1-2 parts of montmorillonite, 2-4 parts of sodium alginate, 1-5 parts of calcium chloride and 2-4 parts of algae mud. The preparation method of the algicide comprises the following steps: adding montmorillonite into water to prepare a uniform suspension, and then adding algae mud to obtain a microalgae montmorillonite mixed suspension with the solid-to-liquid ratio of 0.0025-0.1 g / mL; sodium alginate is added into water, a uniform viscous solution with the concentration of 0.0085-0.067 g / mL is obtained under the heating condition, and the uniform viscous solution and the microalgae montmorillonite mixed suspension are uniformly stirred to obtain gel homogenization; and the gel is homogenized and dropped into a CaCl2 aqueous solution, and curing, filtering, washing and drying are performed to obtain the algicide. According to the method, the chlorella-montmorillonite-sodium alginate gel balls are prepared from the chlorella-containing algae mud, so that the survival time of the chlorella in the complex high-salt water is ensured, the method has extremely high removal rate and stability on lead in the complex high-salt water, and meanwhile, the chlorella-montmorillonite-sodium alginate gel balls are easy to separate and reuse.

The application discloses a floating type aerogel algae-removing catalyst, a preparation method and a floating type algae-removing agent. The floating type algae-removing catalyst takes guar gum as a carrier matrix and is loaded with single metal atoms. The single metal atoms include one of copper atoms, iron atoms, cobalt atoms and manganese atoms. The single metal atoms can catalyze decomposition of persulfate in the floating type algae-removing agent to form a large number of active oxygen free radicals, which further attack the surface morphology and internal tissue structure of algal cells, leading to cell integrity being destroyed and cell activity greatly decreasing, so that the algae-removing effect is achieved. Meanwhile, the single metal atoms can form a cross-linking network architecture between the single metal atoms and the guar gum through a coupling reaction to form an aerogel, so that the algae-removing agent can stably float on the water surface, can efficiently remove algae and is beneficial to recycling and utilization in the later period.

Harmful algal blooms (HABs) such as red tide blooms can be mitigated or controlled by applying a water-soluble algicidal unsaturated fatty acid salt or soap, or a methanol-free solution of an unsaturated algicidal fatty acid, to water containing a HAB concentration, wherein the salt, soap or solution reduces the HAB concentration.

The utility model relates to the technical field of stirrers, in particular to a sealing structure of an anti-overflow sterilization algicide stirrer, which comprises a stirring tank, the stirring tank comprises a main tank body and filler pipes, the filler pipes are uniformly arranged on one side of the main tank body from top to bottom, the filler pipes and the main tank body are integrally formed, and the main tank body is connected with the main tank body. A top cover is detachably installed on the upper end face of the main tank body, a sliding frame is installed on the top cover in a sliding mode, a driving assembly for driving the sliding frame to ascend and descend is further arranged on the top cover, and a sealing cover is fixedly installed at the lower end of the sliding frame. The top cover is fixedly installed on the stirring tank, then the movable frame and the stirring assembly are installed through the top cover, the height of the lower end sealing cover in the main tank body can be adjusted through the movable frame during use, and the purpose that the main tank body is used with different capacities is achieved; and through the arrangement of the stirring assembly, the sterilization and algicide in the main tank body can be stably stirred for use.