62results about How to "Good anti-algae effect" patented technology

The invention provides an environment-friendly water-based nano coating material used for concrete protection, and a preparation method thereof. The environment-friendly water-based nano coating material comprises 15%-65% of an organic silane coupling agent, 0.5-10% of nano silica, 0.5-5% of nano titanium dioxide, 0.4%-4% of an organosilicon oligomer, 0.3%-3% of an emulsifier, 0.1%-0.6% of a bactericidal anti-algae agent, 0.01%-0.1% of a regulator, and the balance being deionized water. The environment-friendly water-based nano coating material used for the concrete protection takes advantages of a nanometer effect of nanoparticles and a hydrophobic effect of long-chain organosilicone coupling agent. The prepared environment-friendly water-based nano coating material used for the concrete protection has excellent protection performance.

The invention belongs to the field of water body pollution control, and relates to a preparation method and application of a slow release algistat based on compound allelochemical. The compound allelochemical slow release algistat is characterized in that three kinds of compound allelochemical including gallic acid, n-nonanoic acid and 2-methyl-acetoacetic ester (EMA) are selected for preparing the slow release algistat according to the proportion, a natural high-molecular compound, namely sodium alginate, is selected to be used as a slow release carrier, and a 3%-5% sodium alginate solution and a 3%-5% calcium chloride are subject to gelling forming to obtain the slow release algistat. By means of the preparation method and application, the time length of pesticide effects on restraining algae growth can be prolonged; and meanwhile, the problem that the slow release algistat cannot be effectively used due to flotation along with wind and sedimentation in the using process is solved.

The invention relates to a method for preventing and controlling water bloom pollution organisms in eutrophicated water body, which comprises the following step: according to the hydrological condition and water bloom condition of the water body, spraying natural plant algae inhibitor into the water body, wherein the natural plant algae inhibitor comprises the following components in percentage by mass: 60 to 80 percent of water leaching extract of hairyvein agrimonia herb and bud, 10 to 20 percent of vitamin C, 5 to 10 percent of amino acid and 5 to 20 percent of citric acid. The biological algae inhibitor used by the method is natural plant extract, can be biodegradable in a short period, and has the half-life period about 7 days proved by experiments, so the biological algae inhibitor cannot bring about secondary pollution to the environment, and dose not have post-treatment problem; moreover, the biological algae inhibitor has low price which is only dozens of yuan per kilogram, and is suitable for popularization and promotion.

The invention discloses a plant leaching solution based compound algistat which is used for inhibiting algae to over-grow in eutrophic fresh water body, preventing and eliminating algal bloom generation of fresh water; the constituents are as follows by weight percentage: 50-80 percent of plant leaching solution, 5-30 percent of gallic acid and 5-30 percent of tea polyphenol; the plant leaching solution adopts apple leaching solution, grape leaching solution and onion leaching solution; by adopting the plant leaching solution based compound algistat which is used for inhibiting algae to over-grow in eutrophic fresh water body, preventing and eliminating algal bloom pollution of fresh water has the advantages of high efficiency, low cost, no secondary pollution and easy operation, therefore, the plant leaching solution based compound algistat is not only suitable for small closed water bodies, but also is suitable for large slow-flowing water areas.

The invention discloses a method for preparing alga inhibitor from a natural plant barley, belonging to the field of water pollution control. The method comprises the following steps of: drying and crushing barley, extracting with ethanol containing water (or low-carbon alcohol containing water) to obtain barley extract liquid; distilling at reduced pressure to obtain an extract A; removing components which can be dissolved in petroleum ether from the extract A; extracting with chloroform (or dichloromethane or diethyl ether) and ethyl acetate (or n-butyl alcohol or acetone) to respectively obtain organic phases B and C; and respectively distilling at reduced pressure to finally obtain alga inhibiting component extracts D and E. The method has the advantages that the method is simple and easy to operate, cost is low, material sources are wide and easy to obtain; moreover, two alga inhibitors with high purity can be obtained at the same time; therefore, the method can be widely used for controlling algal bloom of lakes and reservoirs.

The invention discloses an algae inhibitor for verdigris microcystis aeruginosa. The algae inhibitor is composed of n-nonanoic acid and linoleic acid in the volume ratio of 1:1, the applicable concentration range of the algae inhibitor in verdigris microcystis aeruginosa ranges from 0.04mL / L to 0.08mL / L. Compared with the prior art, two different kinds of fatty acids, namely the n-nonanoic acid and the linoleic acid, are selected to be combined, after inhibition effects of the combined fatty acids are evaluated by means of three kinds of different evaluation systems, the result indicates that the combination of the fatty acids has excellent synergic inhibition effects indeed. Further, the algae inhibitor is low in cost, environment-friendly and safe.

The invention discloses an algae inhibiting method of donaxine plant in the pollution water control domain, which comprises the following steps: 1) extracting the algae inhibiting material in the donaxine plant by water and organic solvent; 2) loading the chopped bundle of donaxine plant or donaxine in the bag; placing the bag in the disposed water. The invention is fit for lake, reservoir, river, landscape aquifer, domestic fish pond, aquarium, miscellaneous natural aquifer and artificial aquifer, which avoids secondary pollution and aquifer landscape influenced by a great amount of the doted organics in the water.

The invention provides antibacterial anti-mildew algae-preventing yacht cloth and a manufacture method thereof, and belongs to the technical field of fabrics. The technical scheme solves the problems that conventional yacht cloth is simple in structure, does not possess the characteristics of resistance to bacteria, resistance to mildew and preventing algae, and is bad in practicality, and the manufacture method is imperfect, and the like. The antibacterial anti-mildew algae-preventing yacht cloth comprises a base cloth layer, the front side and the back side of the base cloth layer are both fit with a layer of a PVC membrane, an adhesive layer is arranged between the corresponding PVC membrane and the base cloth layer, and the PVC membrane comprises the following compositions in parts by weight: 95-105 parts of PVC resin powder, 45-55 parts of a plasticizer DINP, 3-5 parts of epoxy soybean oil, 10-12 parts of nanometer calcium powder, 0.5-3 parts of a mildew inhibitor, 1-2.5 parts of rutile titanium dioxide, 0.1-0.5 part of an anti-UV agent, and 9-11 parts of chlorinated paraffin. The yacht cloth possesses the characteristics of high practicality and high quality.

The invention relates to the field of water pollution control and water body ecological restoration, and discloses an algae inhibiting type ecological floating bed, which comprises one or more floating bed monomers, wherein the floating bed monomer comprises a plurality of mutually spliced floating plates, field planting baskets, planting bags and algae inhibiting type matrixes, the floating plateis provided with a field planting hole, the field planting hole is used for carrying the field planting basket, the side wall of the field planting basket is provided with longitudinal reinforcing ribs, the middle portion of the side wall of the field planting basket is provided with annular reinforcing ribs, the planting bag is placed in the field planting basket, is filled with the algae inhibiting type matrix, and is used for planting aquatic plants, the floating plate is provided with connecting holes, the connecting holes are circumferentially arranged along the periphery of the field planting hole, aluminum wires penetrate through the connecting holes to splice the floating plates, the algae inhibiting type ecological floating bed is further provided with a border, and aluminum wires penetrate through the connecting holes to connect and fix the border and the floating plates. According to the present invention, the algae inhibiting type ecological floating bed has obvious algaeinhibiting effect, and the removal rates of ammonia nitrogen, total nitrogen and total phosphorus in the water body can respectively more than 88%, more than 84% and more than 89%.

The present invention belongs to the field of water treating technology, and discloses the application of reed as algae inhibiting material. Reed as algae inhibiting material may be used through extracting algae inhibiting matter from reed with water or organic solvent and applying the extracted matter to the water to be treated; or setting bundled reed or reed in nylon bag into water to be treated. Utilizing reed as algae inhibiting material has the advantages of high algae inhibiting effect, low cost, easy control and high ecological safety. The present invention may be used in algae inhibition in natural or artificial water, such as lake, reservoir, river, park water, fish pond, etc.

The invention discloses a potamogeton malaianus-sodium alginate pellet-type algistat as well as a preparation method and application thereof and belongs to the field of preparation of macromolecule materials. The algistat is prepared by taking submerged plant potamogeton malaianus extract as a raw material, taking sodium alginate as a coating solution and taking calcium chloride as a cross-linking agent. Compared with the prior art, natural submerged plant with allelopathic effect is used as the raw material, the algistat is easily degradable, is high in alga inhibiting efficiency and is capable of effectively overcoming the defects of secondary pollution caused by chemical and physical methods and high possibility of damage to the water ecological environment; potamogeton malaianus extract powder is coated by sodium alginate, so that the algistat is capable of effectively resisting dilution effect of water flow and overcoming the problem of short alga inhibiting duration; and the efficient alga inhibiting effect is achieved.

The invention discloses an ailanthus altissima bark algistat and a preparation method and an application thereof, and belongs to the field of water boy pollution control. The algistat is an absolute ethyl alcohol crude extract of ailanthus altissima bark. Compared with the prior art, the defects that an existing chemical method causes secondary pollution and is high in cost, unlikely to be controlled, likely to damage the ecological environment and the like are overcome, and the limitation that the algistat is high in technical cost and complicated in operation is solved by utilizing water plant extraction. The algistat is extracted from the woody plant ailanthus altissima bark, and the preparation method is simple, convenient to use and high in operability and is suitable for large-scale popularization. The prepared algistat has high inhibition efficiency for microcystis aeruginosa, and can become effective on the second day; the inhibition ratio reaches more than 90%, and the water body can be effectively prevented from breaking out water bloom for a long period of time.

The invention discloses an ultraviolet device for algae prevention and removal in water bodies. The device includes: a bracket and a cross rod. The cross rod is provided with a longitudinally extending rotary shaft, which is rotatably connected with the bracket through a rotary mechanism. The cross rod is equipped with several ultraviolet light-emitting units. The device also comprises at least a power generation apparatus and an energy storage apparatus connected to the power generation apparatus. And the energy storage apparatus is also in connection with the ultraviolet light-emitting units. The ultraviolet device for algae prevention and removal in water bodies of the invention makes full use of wind energy, solar energy and other clean energy, is environment friendly algae removal and prevention equipment needing no external power supply, and has the advantages of good algae removal and prevention effect and large treatment area of single device, thus being suitable for algae control of large water bodies.

The invention discloses an aqueous nano hollow glass bead heat-preservation thermal-insulating coating and a preparation method thereof. The aqueous nano hollow glass bead heat-preservation thermal-insulating coating consists of the following components in parts by weight: 10.5-20 parts of deionized water, 0.8-1 part of hydroxyethyl cellulose, 40-45 parts of a pure acrylic emulsion, 0.6-0.8 part of a 5040 sodium salt dispersant, 0.2-0.3 part of a wetting agent, 15-20 parts of nano titanium dioxide, 5-10 parts of a calcium carbonate pigment filler, 0.15-0.2 part of an AMP-95 multifunctional aid, 5-8 parts of a texanol film formation aid, 1.5-2 parts of an ethylene glycol anti-freezing agent, 0.2-0.3 part of a fungicide, 0.2-0.3 part of an anti-mold agent, 0.2-0.4 part of a 681F defoaming agent, 0.5-1.2 parts of a thickening agent and 20-25 parts of hollow glass beads. The aqueous nano hollow glass bead heat-preservation thermal-insulating coating disclosed by the invention has the advantages of being short in surface drying time, excellent in anti-aging property, low in heat conduction coefficient, good in heat-preservation thermal-insulating property, excellent in tension resistance, and the like.

The invention discloses a method for extracting an allelopathic subdivided component having an anti-algal activity from barley with petroleum ether. The method comprises the steps of pre-treating barley straws and extracting for separation based on polarity, and separating to obtain a petroleum ether phase having the anti-algal activity; drying the obtained extracting solution absolutely; then separating with a normal-phase silica column, wherein an eluent is composed by mixing petroleum ether and ethyl acetate according to a volume ratio of 10:1; and thus the allelopathic subdivided component with relatively strong anti-algal activity is obtained. The method has the characteristics of simple and practicable operation, low cost and wide materials. With the method, the allelopathic subdivided component with relatively strong anti-algal activity can be obtained, and the allelopathic subdivided component can be widely used for controlling algal blooms in lakes and reservoirs.

The present invention discloses a method for extracting an allelopathy refinement component having algae inhibition activity from barley by using ethyl acetate. According to the method, barley straws are subjected to a pretreatment and extraction separation based on polarity to obtain an ethyl acetate phase having algae inhibition activity, and the obtained extraction solution is completely dried and separated by using a positive direction silica gel column to obtain the refinement component having strong algae inhibition ability, wherein an eluant is prepared by mixing dichloromethane and methanol according to a volume ratio of 49:1. The method has characteristics of simpleness, easy performing, low cost, wide and easily-available materials and the like. With the method, the high purity barley allelopathy component having the algae inhibition activity can be obtained, and can be widely applicable for control of algae water blooms in lakes and reservoirs.

The invention relates to a method for inhibiting excessive growth of algae in a water body by using masson pine leaves. The method comprises the steps of crushing or grinding the fresh masson pine leaves into pulp and putting into the water body to be treated, wherein the dosage is 1.76-4g / L per day and dosing is performed for consecutive 3 days. The method provided by the invention is low in price, good in algal inhibition effect, rapid in onset of action, simple to operate and safe in ecology. The method can be applied to algal control of natural water bodies or artificial water bodies, such as lakes, reservoirs, rivers, park landscape water bodies, family landscape water bodies and the like. By adopting the method, the algal inhibition rate is 32%-70% against the water body with the initial density of the algae of 35000-100000 / mL.

The invention relates to application of betel palm serving as an alga suppressing material. In the invention, a betel palm extract is put into a water body in which algae grow to realize suppression of algae. The betel palm has the advantages of quick response, good alga suppressing effect, easiness for operating, high ecological safety and the like, and can be applied to suppression of algae in natural water bodies or artificial water bodies such as lakes, reservoirs, rivers, garden landscape water bodies, household landscape water bodies and the like.

A method of inhibiting algae growth by using reed, belonging to water treating field, binding the reed plants or preparing reed powder, then loading to the nylon pocket, putting to the pretreated water body to inhibit the algae growth in water; after the algae growth is inhibited, getting the nylon basket out of water to prevent second pollution. The method is characterized by the good effect of algae inhibiting, low price of the material, ease to get, control, and ecological safety.

The invention relates to a functional-form anticorrosion paint for conduits to raw water and drink water, and pipe inner wall, which comprises: curing agent, and main agent composed of epoxy resin, nano paint filler, nano inorganic antibiotic fungus-proof agent and organic solvent. This product inhibits the growth of hydrobiont, satisfies national standard with antibiotic ratio more than 99% and fungus-proof anti-algae grade all 0 grades, and belongs to green product.

The invention discloses an application of a Pd-TiO2 photocatalyst in algae inhibition and an algae inhibition and denitrification reactor. The existing algae treatment technology has the defects of overlong algae removal time and difficulty in operation. The invention provides the application of the Pd-TiO2 photocatalyst in algae inhibition. The Pd-TiO2 photocatalyst is a nano catalytic material TiO2 loaded with noble metal Pd. The invention relates to an integrated photo-catalytic inhibition algae denitrification reactor which comprises a reaction tank, a catalyst filling layer, a denitrification microorganism layer and a photo-catalytic lamp, according to the invention, the precious metal palladium (Pd)-loaded nano material titanium dioxide (TiO2) is used as an algae-inhibiting photocatalytic material, and compared with the existing algae-inhibiting photocatalyst, the Pd-TiO2 photocatalyst can achieve a more remarkable algae-inhibiting effect in a shorter time. Besides, the temperature monitoring device is matched with the photocatalytic lamp, so that the temperature of the water body can be kept, and damage to denitrifying microorganisms due to over-high water temperature is avoided.

The invention discloses an ecological treatment system and method of a natural water body. The system comprises water purification treatment, aeration for oxygen enrichment and water body circulation;water purification treatment means that a treated water body is lifted to a water body reaeration purification device for purification, pollutants are cleared, and the water body transparency is improved; aeration for oxygen enrichment means that the purified water body is supplemented with dissolved oxygen to improve a redox potential of the water body; water body circulation means that water subjected to treatment of aeration for oxygen enrichment is returned to a renovated water body through a water body circulation oxygen enrichment device; then the water body circulation oxygen enrichment device is used for further supplementing the renovated water body with dissolved oxygen, promoting running water, further purifying the water quality, reducing ammonia nitrogen and improving the transparency and the redox potential. According to the ecological treatment system and method of the natural water body, water quality improvement, ecological remediation and landscape ascension are combined, the system and the method have the characteristics that energy is saved, the algal inhibition effect is good, ecological restoration is fast, the treatment cost is low, and the like, and the system and the method have better social benefits and ecological benefits.

The invention discloses an alga inhibition application of a cyclodipeptide compound, wherein the inhibited alga herein is a red tide microalga selected from: Amphidinium carterae, Heterosigma akashiwo, Phaeocystis globsa, Prorocentrum donghaiense, or Skeletonema costatum. The cyclodipeptide compound is pyrrolopiperazine-2,5-dione or 3-hydromethyl-pyrrolopiperazine-2,5-dione. The invention also discloses a measurement method of the alga inhibition activity of the cyclodipeptide compound. The cyclodipeptide compound has good alga inhibition effect, and the application field of the compound is broadened.

The present invention relates to a method for inhibiting algae growty by using scirpus and lotus leaf plant body. Said method is characterized by that the plant parts of scirpus and lotus leaf can be bound or pulverized and placed into nylon bag, then can be placed into the water to be treated, the scirpus and lotus leaf in the water can released chemical induction substances with the functions of inhibiting algae growth and killing algae cells, so that it can obtain good effect for inhibiting algae growth, and can have extensive application field.

The invention belongs to the technical field of drinking water treatment and discloses a method for phyisochemical enhanced algae removal. The method includes: aiming at eutrophic water bodies of surface water like lakes and reservoirs, adding copper salt and chlorine at the same time before water plant treatment. Chlorine free radical and chlorine can damage completeness of algae cell walls, and copper ions are facilitated to act on cytoplasm, so that algae cell activity and algae cell breeding amount are inhibited effectively. The method is mainly applied to water source pretreatment of the eutrophic water bodies and can be applied to landscape reserve water treatment targeting at landscape water body recycling.

The invention provides an application of acetylacetone in inhibiting growth of blue-green algae. Acetylacetone is added into a blue-green algae growth water area, and the adding amount is not less than 7mg / L, so that the growth of the blue-green algae is controlled; acetylacetone acts on a photosynthetic system to control the growth of algae, the effect of acetylacetone is superior to that of a common algistat (such as pyrogallic acid, gallic acid and anthraquinone), acetylacetone is harmless to bacteria including four common bacteria including escherichia coli, salmonella, bacillus subtilis and staphylococcus aureus, and acetylacetone has environmental friendliness and is easy to apply and popularize.

The invention discloses a compounded algicide and a preparation method thereof. The compounded algicide is compounded from chlorine dioxide and DCMU (dichlorobenzene dimethyl urea), wherein chlorine dioxide is an algae-removing chlorine dioxide sterilizing agent sold in the market, water is added before chlorine dioxide is used, and a solution is prepared. The preparation method comprises steps as follows: chlorine dioxide powder is dissolved in distilled water at the temperature of 4 DEG C, and a 1 mg / ml chlorine dioxide solution is finally prepared according to the mass percentage of chlorine dioxide in the powder and refrigerated in a refrigerator; DCMU is dissolved in acetone, and a 1 mg / ml DCMU-acetone solution is prepared; the chlorine dioxide solution and the DCMU-acetone solution which have the same volume are mixed, uniformly shaken and sealed in a glass bottle to be refrigerated in the refrigerator at the temperature of 4 DEG C. The efficient compounded algicide has a good effect and takes effect quickly.

The invention provides algistat containing terrestrial plants capable of being cultured in water. The algistat is aqueous extract solution of onion stalk. Compared with the prior art, a green Chinese onion, as a representative of a terrestrial plant, is important medical raw materials, all the total extractives, protein components, lipid solubility components and polysaccharide components have bacteriostatic ability, the aqueous extract solution of the onion stalk and aqueous extracts of fistular onion leaves of the green Chinese onion have quite good algal inhibition performance, water-culture characters of the green Chinese onion can be utilized to conduct planting in a landscape pond or an artificial floating bed, and the green Chinese onion can not only prevent algal bloom from occurring, but also beautifies environment and even can be collected to eat.

The invention relates to a method for preventing and controlling water bloom pollution organisms in eutrophicated water body, which comprises the following step: according to the hydrological condition and water bloom condition of the water body, spraying natural plant algae inhibitor into the water body, wherein the natural plant algae inhibitor comprises the following components in percentage by mass: 60 to 80 percent of water leaching extract of hairyvein agrimonia herb and bud, 10 to 20 percent of vitamin C, 5 to 10 percent of amino acid and 5 to 20 percent of citric acid. The biological algae inhibitor used by the method is natural plant extract, can be biodegradable in a short period, and has the half-life period about 7 days proved by experiments, so the biological algae inhibitor cannot bring about secondary pollution to the environment, and dose not have post-treatment problem; moreover, the biological algae inhibitor has low price which is only dozens of yuan per kilogram, and is suitable for popularization and promotion.