64results about How to "Pollution has" patented technology

The invention discloses a composite phase-change energy storage material for microcapsules and a preparation method thereof. The coating of the microcapsule is made of silicon dioxide, and the core of the microcapsule is made of a phase-change energy storage material, wherein the phase-change energy storage material is a paraffin organic solid-liquid phase-change energy storage material. 0.2 to 0.5 wt.% of dispersed emulsifier, 52.5 to 62.5 wt.% of solvent water, 18.75 to 31.5 wt.% of phase-change energy storage material and 15.5 to 18.75 wt.% of inorganic silica source are matched and put into a reactor for stirring for 5 to 8 hours; the mixture is uniformly dispersed and emulsified at the temperature 3 to 8 DEG C higher than that for solid-liquid phase change; hydrochloric acid aqueous solution catalyst with the pH value of 0.93 to 4.07 or sodium hydroxide aqueous solution catalyst with the pH value of 8.0 to 12.0 is added into the emulsion; the reacting solution is naturally cooled to room temperature and precipitation solution is obtained; the precipitate is washed with the combination of water and petroleum ether, wherein the mass percent of the petroleum ether is 30 wt.%; then the precipitate is washed with deionized water and is filtered, and the product is naturally aired. The invention improves the technology of phase-change energy storage and conservation, and has the function of automatic temperature regulation, favorable physical and chemical stability, crack resistance, flame retardancy, wear resistance and high thermal conductivity.

The invention discloses a device for evaluating the automobile exhaust degradation effect of an OGFC mixture. The device comprises a closed container, an automobile engine, an automobile exhaust analyzer, a track board test piece, and air supplying devices, wherein the air supplying devices are arranged in the closed container. The invention further discloses an evaluation method which comprises the following steps in sequence: preparing the track board test piece, and generating automobile exhaust; simulating the degradation of automobile exhaust on a pavement and testing the concentration of each gas in the automobile exhaust; processing data. The track board test piece is prepared from the OGFC mixture which is added with a photocatalytic material; the evaluation index, used for evaluating the automobile exhaust degradation effect, of the OGFC mixture is taken as the degradation rate. The evaluation device can simulate the automobile exhaust degradation processes of the OGFC mixture in different illumination conditions by controlling the number of ultraviolet lamp tubes. The evaluation method is accurate and reliable, and coincides with the automobile exhaust degradation situation on a real pavement.

The invention relates to a functional frame-proof fiber and relative preparation, wherein it is characterized in that: it also comprises nanometer additive powder with tourmaline and tourmaline; and its components comprises cellulose at 75-95%; said nanometer additive powder at 5-25%; and its preparation comprises: preparing the tourmaline and tourmaline into nanometer additive powder; mixing the powder with cellulose with different ratios, via static mixer; using fusion mixing method to prepare the spinning liquid. The inventive fiber has lower cost and controllable parameter.

The invention discloses a preparation technology of sponge titanium and a reaction furnace of sponge titanium, and belongs to the field of nonferrous metallurgy technology. The reaction furnace of the invention comprises a reacting pot and a cooling pot. The outside of the inner wall of the reacting pot is fixedly equipped with an electrically heated wire which is connected with a conductive rod. The reacting pot is wrapped with an insulation layer and the furnace wall and the upper part of the reacting pot is communicated with an evacuation tube. The cooling pot is equipped with a cooling water jacket, the upper part of which is communicated with an evacuation tube of the cooling pot. The reacting pot and the cooling pot are fixed respectively by the top heads at two sides and in parallel arrangement, and communicated with a central tube. The central tube is wrapped with an inner heating jacket. The upper part of the cooling pot is communicated with a discharge tube. Simultaneously the invention also provides a preparation technology of sponge titanium by using reaction furnace, the technology has the advantages of changing the problem of serial furnace including the unstable production quality, the large energy consumption, the serious environmental pollution, the large operation intensity of worker and the large workload. Changing the furnace to parallel type and the middle connection of using an inner heating tube has the advantages of the energy conservation, safety and the short reaction time.

The invention relates to a reactive halogen-free flame retardant and a preparation method thereof, belonging to the technical field of flame retardant. The reactive halogen-free flame retardant is represented by the following formula, wherein, R1 and R2 represent respectively independent H, C1-C6 alkyl or phenyl, R3 represents H,C1-C6 alkyl or phenyl, and R4 represents H or C1-C6 alkyl. The reactive halogen-free flame retardant is a flame retardant with a combination of the sour resource, the char resource and the gas resource of an intumescent flame retardant, and comprises polymerisable methacrylate groups. The preparation method has the advantages of simple process, safety, easy operation, and basic no pollution to the environment, and the yield can reach more than 80%. Hydrogen chloride gas generated in the reaction process after being absorbed by bind acid agent has no corrosion to the device. The prepared product is acicular crystals from white to light red, has synergistic effects resulting from nitrogen and phosphorus elements, and has the advantages of no halogen, low toxicity, no pollution and the like.

The invention discloses a folium artemisiae argyi extract air freshener for air sterilization and mosquito repelling. The air freshener contains the following ingredients in percentage by weight: 60-90% of a folium artemisiae argyi extracting solution, 10-40% of pyrethrin and 0.5-2.0% of a solubilizer. A preparation process comprises the following steps: grinding and soaking dried folium artemisiae argyi, and extracting the folium artemisiae argyi through a steam distillation method to obtain two components, i.e., folium artemisiae argyi oil on upper layer and water on lower layer; collecting a mother solution in which distillate contains 0.1-0.15% of folium artemisiae argyi oil, to obtain a folium artemisiae argyi extract; adding the solubilizer and the pyrethrin to the mother solution in percentage by weight, uniformly stirring completely, filtering, inspecting, shading, bottling and sealing to obtain the air freshener. The air freshener disclosed by the invention not only can keep air fresh, deodorize and dispel mosquitoes, but also can inhibit and kill bacteria; the air freshener can function as refreshing as well as preventing epidemic and preserving health; the air freshener is favorable for body health, free from residue and side effect, environmentally friendly and sanitary.

The invention provides a polymorphic hansenula polymorpha mutant strain and application of the polymorphic hansenula polymorpha mutant strain in glutathione biosynthesis. Firstly, low-energy ions N+ serve as a mutagenesis source, mutagenesis treatment for Hansenula polymorpha DL-1 is achieved, a glutathione (GSH) high-producing strain (DL-18) is obtained, the temperature remains 37 DEG C, the speed remains 180 r/min, shake flask fermentation remains for 42 hours, the dry cell weight (DCW) in end products is 7.04 g/L, the total quantity of the GSH is 420.46 mg/L, and the DCW in the end products and the total quantity of the GSH are respectively improved by 1.73 times and 1.94 times compared with the original mutant strain. Hereditary stability of the DL-18 is detected through subculture, yatsushiro is cultivated, content changes of the GSH are not significant, and therefore, the hereditary stability of the mutant strain is high.

The invention belongs to the technical field of meat product preservation methods and discloses a novel fish paste preservative as well as a preparation method and application thereof. The preservative comprises the following raw material substances in parts by weight: 30-70 parts of chitosan, 20-50 parts of tea polyphenol, 15-35 parts of whey protein, 5-15 parts of snakehead mucus, 2-15 parts of needle mushroom polysaccharide and 45-55 parts of water; and the preservative also can comprise 5-10 parts of pitaya stem and leaf juice. The preparation method comprises the following steps: uniformly mixing chitosan, tea polyphenol, whey protein, snakehead mucus, needle mushroom polysaccharide and water by virtue of ultrasonic treatment of ultrasonic waves, carrying out ultra high pressure treatment on the uniformly mixed liquid, and uniformly mixing the solution in combination with micro-jet high pressure homogenization treatment, thereby obtaining the novel fish paste preservative.

The invention discloses a method for repairing heavy-metal cadmium polluted soil by using bougainvillea speetabilis plants and relates to a plant stable biological repairing technology for managing the polluted environment. According to the method, bougainvillea speetabilis is mainly planted in a heavy-metal polluted environment, mainly soil; the bougainvillea speetabilis can normally grow and has no any poisoning phenomenon, and a biomass is not reduced; heavy metal is mainly enriched at roots of the plants and the transfer coefficients in the plants are relatively low; and the bougainvillea speetabilis has the characteristics of plants which can be used in the plant stable repairing technology. When the plants are used for repairing the polluted soil, the polluted soil and underground water are managed, and the environment is beautified.

The invention provides a preparation method of coating for a building outer wall. The preparation method comprises the following steps: performing the modification reaction on acrylic elastic emulsion, fluorine-carbon emulsion, polydimethylsiloxane and graphene, then adding a mould-proof algae-control agent, an anti-insect additive, microporous calcium carbonate, modified attapulgite clay, glass beads, high-viscosity attapulgite clay, nano zinc oxide, nano titanium dioxide, a defoaming agent, and a film forming agent, sufficiently and uniformly mixing and dispersing, thus obtaining the coating. The preparation method of the coating for the building outer wall is simple in process, safe and pollution-free; and the prepared coating is not only resistant to abrasion, water, aging and pollution, but also is good in adhesion and mould-proof and anti-insect effect and suitable for popularization and application.

The invention discloses a multi-functional pavement sweeping device. The multi-functional pavement sweeping device comprises a vehicle body, a water tank, a garbage housing box, an electric rotating brush, a dust collector, a solar cell, water spraying openings and an engine system, wherein the water tank and the garbage housing box are adjacently mounted on the vehicle body; the electric rotating brush and the dust collector, which are supplied with power by the solar cell on the roof of the vehicle, are mounted at the bottom of the vehicle body; the plurality of water spraying openings are formed in the two sides of the vehicle body; the water in the water tank is sprayed out from the water spraying openings through a water pump; and the engine system is arranged in the vehicle body and used for as power for driving the vehicle body. The multi-functional pavement sweeping device disclosed by the invention has the advantages of simple and practical structure, clean and pollution-free energy, high mobility, large output torque, high adjustability, no pollution and the like and also has functions such as sweeping function, dust collecting function, water spraying function and the like.

The invention discloses an epoxy mortar coating and a preparation method thereof. The epoxy mortar coating special for the waterborne terrace is prepared from a component A and a component B. The component A is prepared from, by mass, 30-50 parts of an epoxy curing agent, 30-40 parts of deionized water, 0.1-0.3 part of an antifoaming agent, 0.1-0.4 part of a dispersing agent, 0.2-0.6 part of a base material wetting agent and 0.5-0.6 part of a leveling agent. The component B is prepared from 85-95 parts of epoxy resin and 5-15 parts of aliphatic glycidyl ether. The component C is prepared from80-100 parts of 80-120 quartz sand and 20-40 parts of 325 Portland cement. The epoxy mortar coating is low in VOC content and good in skid resistance, and a formed paint film is high in adhesive force, extremely high in hardness and excellent in water resistance and solvent resistance.

The invention provides a high-content bacterium-coated biological fertilizer and solves the problems that the existing biological fertilizer is low in content of organic matters and low in content of beneficial bacteria, the growth requirements of plants cannot be met, and the content of heavy metals exceeds the standard. The high-content bacterium-coated biological fertilizer is prepared from the following raw materials: furfural residue, humic acid, kiln dust, bacillus subtilis, bacillus licheniformis, bacillus mucilaginosus, zinc sulphate monohydrate and boric acid. A preparation method of the high-content bacterium-coated biological fertilizer comprises the following steps: firstly mixing the furfural residue and humic acid, fermenting and decomposing, then adding the kiln dust and microelements and stirring, then pelleting and drying, and finally coating and filling to obtain the high-content bacterium-coated biological fertilizer. The high-content bacterium-coated biological fertilizer has the effects of increasing yield and efficiency, improving soil hardness, inhibiting diseases and insect pests, reducing application quantities of chemical fertilizers and accelerating growth of the plants; when the high-content bacterium-coated biological fertilizer is applied to fruit trees, the fruit trees can bloom regular flowers, the flowers and the fruits can be retained, and the leaf fall period is late; the high-content bacterium-coated biological fertilizer is capable of resisting early spring diseases, preventing and treating premature senescence, resisting lodging, resisting drought and cold and reducing pollution to the environment; the content of the bacteria in the biological fertilizer produced by the method reaches one billion per gram; the content of the organic matters in the biological fertilizer reaches up to 80%.

The invention discloses the breeding technology of beef cattle with selenium-rich beef. A ''Guixi cattle'' beef cattle breed is used, a selenium-rich diet is obtained by a method of adding a selenium-containing amino acid animal nutrient solution into a mixed concentrate fed at the fattening beef cattle stage, and as long as feeding of fattening beef cattle is performed according to a daily feeding method from 25-35 d before slaughter, the selenium content in beef can reach the standard requirement of 0.15-0.50 mg/kg of selenium-rich beef. After feeding the fattening beef cattle with the mixedconcentrate added with the selenium-containing amino acid animal nutrient solution, it is not only beneficial to improvement of disease resistance of fattening beef cattle growth, but also to transformation of selenium and absorption of nutrients in the fattening beef cattle, organic selenium is transformed into selenoproteins through the physiological function of the beef cattle, and the nutritional value and health care function of beef quality are further improved, so that a safe, nutritious and healthy selenium-rich nutrient beef is produced, the selenium-deficient people can supplement the necessary selenium nutrient element for the human body, and thereby the selenium-rich nutrient beef is very beneficial for human health.

The invention discloses an antibacterial breathable film capable of being composted and degraded as well as a preparation method and application of the antibacterial breathable film. The breathable film comprises biodegradable plastic, inorganic filler subjected to surface treatment, a macromolecular coupling agent of a bio-based carrier, a dispersing aid, an antibacterial master batch, an antioxidant and a fluorine-containing polymer processing aid. The uniformity of the air permeability (water vapor permeability) of the degradable breathable film can be effectively improved by compounding the nano calcium carbonate and the superfine calcium carbonate, and the prepared breathable film is completely degraded within 3-6 months in a compost state, does not cause any pollution to the environment, and has the social benefits of low carbon, environmental protection, reduction of environmental pollution and the like; and under the storage conditions of drying, moisture-proof sealing and normal temperature, the shelf life of three years can be ensured.

The invention relates to an inner support device of a basement precast slab mold and a construction method. The device is used for supporting between a first precast slab and a second precast slab oppositely arranged; the first precast slab and the second precast slab are vertically arranged on the edge of a basement cushion layer; and the inner support device of the basement precast slab mold comprises at least one first stand column vertically arranged in a basement and bonded on the first precast slab, at least one second stand column vertically arranged in the basement and bonded on the second precast slab, at least one first hinge piece fixed on the first stand column, at least one second hinge piece arranged corresponding to the first hinge piece and fixed on the second stand column, and at least one support pipe capable of adjusting the length, connected between the first hinge piece and the second hinge piece and supported between the first stand column and the second stand column. The device is convenient in disassembly and capable of recycling.