61results about How to "Good anti-algae effect" patented technology

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 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 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 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 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 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 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 invention discloses a modified biochar algistat as well as a use method and a preparation method thereof. The algistat is obtained by modifying magnesium oxide-based biochar through ferroferric oxide. The nano-modified biochar is used for algal inhibition and algal toxin adsorption, and the raw materials are rich in source, low in price and easy to obtain. According to the composite catalyst, a solution can be rapidly clarified and transparent in the algal inhibition process, flocculates which have magnetism and are easy to settle are formed, and the modified biochar is convenient to recycle and reuse. Besides, the modified biochar used in the invention does not need to pre-treat an algae solution (namely a process of removing a culture medium, including centrifugation and washing) in the algae inhibition process, so that effective algae inhibition can be realized, and the time consumed by algae inhibition is less. While the algal inhibition time is saved, the algal inhibition efficiency same as or higher than that of the existing algal inhibition process is achieved.