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69results about How to "Unique adsorption" patented technology

Grapheme type fiber cigarette filter and preparation method thereof

InactiveCN103005712ALarge surface atomic ratioUnique adsorptionTobacco smoke filtersFiberHazardous substance
The invention discloses a grapheme type fiber cigarette filter and a preparation method thereof. The filter comprises a fiber carrier, wherein the fiber carrier is provided with a grapheme type material for absorbing harmful components in smoke. The filter loads the grapheme type material on a carbon fiber or acetate fiber carrier; and the carrier is added in the filter by adopting the binary filter production mode in the existing industries to produce a compound filter for absorbing harmful substances in the smoke which is generated when cigarettes are smoked. The filter applies unique phi absorption characteristics and higher surface active atom ratio of novel two-dimensional nanometer materials to efficiently absorb benzo [a] pyrene, volatile aldehyde ketone type cancer promoting molecules, phenol and HCN (Hydrogen Cyanide) under the condition of smaller adding quantity, so that the filter is environment-friendly and has no additional poison; as the amount is small and the effect is high, the harm of the cigarettes to human bodies is reduced under the condition of not influencing the inherent sensory quality of the cigarettes. And at the same time, the method has the advantages of simple technique, large-scale production and low cost, and has wide application foreground in the cigarette field of harm reduction and tar reduction.

Graphene coating for corrosion resisting of sea mud area and preparation method of graphene coating

ActiveCN107699112AGood effectOvercoming Difficult Dispersion DeficienciesFireproof paintsAnti-corrosive paintsDispersityMicrosphere
The invention provides a graphene coating for the corrosion resisting of a sea mud area and a preparation method of the graphene coating. The preparation method includes: adding hollow mesoporous silica microspheres, graphene, silver powder and water-soluble resin monomers into a dispersing medium, adding an initiator, stirring at high speed to perform polymerization, wrapping the surfaces of themicrospheres with a water-soluble resin thin film after the microspheres adsorb the graphene and the silver powder, adding the wrapped microspheres and triethanolamine into resin coating, and stirringto allow the graphene to be evenly dispersed to obtain the corrosion-resisting coating. The preparation method has the advantages that the defects that the graphene is hard to disperse when being applied to the corrosion-resisting coating, and graphene layers easily overlap and aggregate again are overcome, the increasing of the dispersity of the graphene in the coating enhances the corrosion resistance of the coating, and the prepared coating is especially applicable to the corrosion resisting of the sea mud area, simple in component, resistant to corrosion, good in waterproof performance and resistant to aging.
Owner:玛雅森林(北京)国际科技有限公司

Sea cucumber culturing feed additive and preparing and using methods thereof

The invention discloses a sea cucumber culturing feed additive and a preparing and using method thereof. The feed additive is prepared from medical stone and Chinese herbal medicaments, wherein the mass mixing ratio of the medical stone to the Chinese herbal medicaments is 50-70:50-30; and the Chinese herbal medicaments comprise 30 to 50 mass percent of raidx astragali, 15 to 25 mass percent of Chinese angelica, 5 to 15 mass percent of common andrographis herb, 5 to 15 mass percent of honeysuckle flower, 5 to 15 mass percent of indigowoad leaf and 5 to 15 mass percent of fried scorch-fried crataegus. The preparation method comprises: grinding the components respectively; sieving the ground components with a 60 to 100 mesh sieve; and feeding the ground components in ratio into a feed mixer to stir the components uniformly, wherein the required coefficient of variation (CV) of mixing precision is less than 10 percent. The ratio of the sea cucumber culturing feed additive to the feed is 1:9, the feed additive is added into the feed, and the mixture is mixed uniformly and used in a larva pool. The sea cucumber culturing feed additive has the advantages of avoiding secondary pollution, reducing water exchange, effectively promoting the growth of sea cucumbers, improving the body immunity and disease resistance of the sea cucumbers, reducing the use of antibiotics and chemical medicaments, along with widely available raw materials, safety, no toxicity and convenient use.
Owner:辽宁省农业科学院大连生物技术研究所

Coking wastewater advanced treatment agent and application thereof

The invention discloses a coking wastewater advanced treatment agent and an application thereof, which belong to a coking wastewater advanced treatment agent component and a using method. The coking wastewater advanced treatment agent consists of 200 portions by weight of modified calcium salt, 400-600 portions by weight of modified aluminum salt and 1 portion by weight of polyacrylamide, whereinthe modified calcium salt is formed by mixing 4 portions by weight of aluminium sulphate, 1 portion by weight of ferric trichloride and 1 portion by weight of purified diatomite. The modified calciumsalt and the modified aluminum salt are respectively prepared into 5 percent of solution and the polyacrylamide is prepared into 0.01 percent of solution, then the 5 percent of solution and the 0.01 percent of solution are added into coked wastewater of which COD is 300-400mg/L and the chroma is 150-250 times after biochemical treatment, wherein the addition quantity of the modified calcium salt is 100mg/L, the addition quantity of the modified aluminum salt is 250mg/L and the addition quantity of the polyacrylamide is 0.5mg/L; the coking wastewater after reinforcing and coagulation reaches national primary emission standard, the COD is less than 100mg/L, the removing rate of the COD is 65-75 percent and the decoloring effect is good. The invention has quick adsorption and settlement and little mud yield under the action of oxidization, adsorption and flocculation synergism and low cost and can be widely applied to cooling wastewater advanced treatment.
Owner:TONGJI UNIV

Water purifier filter core

PendingCN105036379AStrong dechlorination abilityImprove solubilityMultistage water/sewage treatmentFiberBacterial virus
A water purifier filter core. The invention relates to an inner filtering apparatus of a water purifier and particularly relates to the water purifier filter core used for achieving filtration in a bath shower or a drinking water purifying device. The filter core includes a micro / nano fiber membrane, a filling material, an upper cover, a fixing ring and a lower bottom. The filling material can be various filtering materials. The micro / nano fiber membrane is in a cylindrical structure. A lower bottom is the upper cover of a water inlet having holes. The fixing ring fixes the cylindrical micro / nano fiber membrane through separation boards at the periphery and is connected to the lower bottom which is a solid board. Tap water flows into the filter core through the water inlet having holes. By means of adsorption and filtration by the filling material, water is pressed out under water pressure through the cylindrical micro / nano fiber membrane at the periphery of the filter core, and then is filtered through the end of the micro / nano fiber membrane to obtain purified water. The filter core achieves adsorption and filtration by the filling material and end filtration by the micro / nano fiber membrane to the tap water, so that the filtered tap water is free of harmful substances and also can remove nano particles and bacteria and virus on surface of skin.
Owner:南通百博丝纳米科技有限公司

High-strength slow release compound fertilizer for olive

The invention discloses a high-strength slow release compound fertilizer for olive. The high-strength slow release compound fertilizer is prepared from the following components including a first component, a second component and a third component, wherein the weight ratio of the first component to the second component to the third component is (20-30) to (50-60) to (35-45); the first component is prepared from the following components in parts by weight: 30-45 parts of plant ash, 20-30 parts of animal manure, 4-6 parts of a chelated ferric fertilizer, 15-23 parts of calcium superphosphate, 10-18 parts of sulfate, 1-3 parts of sodium molybdate and 5-6 parts of boric acid; the second component is prepared from the following components in parts by weight: 95-120 parts of a slow release compound fertilizer, 10-15 parts of lignite, 8-13 parts of powdered rock phosphate, 8-13 parts of bentonite and 5-10 parts of kaolin; the third component is prepared from the following components in parts by weight: 20-30 parts of ammonium nitrate, 15-22 parts of potassium chloride and 15-20 parts of a calcium magnesium phosphate fertilizer. The high-strength slow release compound fertilizer accords with the absorption regularity of the olive to nutrients, is high in fertilizer utilization ratio and is capable of obviously promoting the olive to grow and increasing the yield of the olive.
Owner:梅州市广福吉祥投资有限责任公司

Lithium niobate type oxide/attapulgite non-linear optical composite photocatalytic material as well as preparation method and application thereof

The invention belongs to the field of chemical new materials and particularly relates to alithium niobate type oxide/attapulgite non-linear optical composite photocatalytic material as well as a preparation method and application thereof. According to the preparation method, LiNbO3 nano-particles with uniform particle sizes are grown on the surfaced of attapulgite in situ by virtue of a sol-gel method, and rich magnesium elements (Mg<2+>) in ATP are doped into LiNbO3 lattices through high-temperature calcination. The preparation method has the beneficial effects that on one hand, by introducing impurity energy level, the bandwidth is decreased, and the stimulation in a visible optical band can be realized, so that the optical response range is increased, and the utilization rate of sunlight is increased; on the other hand, ATP serving as a catalyst carrier has a good dispersion effect, so that the contact surface of the sunlight is increased; besides, ATP has a relatively large specific surface area and a specific pore structure, is capable of exerting specific adsorptive performance and adsorbing partial nitrogen in a photocatalytic nitrogen fixation process and is cooperated withLiNbO3, so that the photocatalytic nitrogen fixation efficiency is improved.
Owner:CHANGZHOU UNIV

Preparation method for controlling particle size of silver phosphate crystals by using carbon nanotubes

The invention discloses a reparation method for controlling the particle size of silver phosphate crystals by using carbon nanotubes. The method comprises the following steps: (1) placing the carbon nanotubes in concentrated nitric acid, carrying out heating refluxing treatment for 6-12 h, cooling the obtained product, washing the cooled product with water until the cooled product is neutral, anddrying the product; (2) weighing a certain amount of the dried carbon nanotubes, adding the dried carbon nanotubes into ultrapure water, and carrying out ultrasonic treatment for 2-5 h; (3) dropwise adding a AgNO3 solution into the above obtained solution, and stirring the obtained solution in a shady place for 6-20 h; and (4) dropwise adding a Na2HPO4.12H2O solution into a solution obtained in step (3), stirring the obtained solution in a shady place for 1-6 h, washing the obtained product with water and ethanol multiple times, carrying out centrifugal separation to obtain a solid part, and carrying out vacuum drying to prepare carbon nanotube modified silver phosphate crystals with the particle size of 0.38-1.0 [mu]m. The preparation method is simple, and changes Ag3PO4 crystals with anaverage particle size of 20 [mu]m into small-granule crystals with an average particle size of 0.38-1.0 [mu]m. The prepared small-grain Ag3PO4@MWCNTs composite catalyst has an excellent visible photocatalysis performance.
Owner:HUNAN UNIV

Wear-resistant coating synthesized from basalt flakes and graphene and preparing method thereof

InactiveCN109111826AOvercoming Difficult Dispersion DeficienciesImprove anti-corrosion performanceFireproof paintsAnti-corrosive paintsEpoxyEmulsion
Wear-resistant coating synthesized from basalt flakes and graphene and preparing method thereof are disclosed. The method includes dispersing 3-14 parts by weight of basalt flakes, 5 parts by weight of graphene and 10-24.5 parts by weight of a resin monomer into 40-58 parts by weight of epoxy resin; stirring the mixture at a high speed to evenly loading the surfaces of the basalt flakes with the graphene and epoxy resin so as to obtain a composite emulsion having sub-nanometer flake diameter; adding 2-10 parts by weight of a modifier into the composite emulsion; polymerizing the mixture underhigh-speed stirring, namely performing epoxy resin monomer polymerization on the surface of the basalt flakes to form an epoxy resin ultrathin film having thickness of 5-100 [mu]m; then adding 1.5 parts by weight of a leveling and film formation auxiliary agent and 1-5 parts by weight of stearamide; and stirring the mixture to uniformly disperse the graphene to obtain the coating. The coating overcomes a disadvantage that graphene is difficult to disperse when applied in corrosion inhibiting coating and a disadvantage that graphene layers are liable to overlap and aggregate, has excellent low-temperature flexibility and heat resistance and is suitable for use in severe environments.
Owner:TIANJIN SHANGDIAN TECH DEV

Preparation method of full-effect selenium-containing slow-release drug fertilizer

The invention discloses a preparation method of a full-effect selenium-containing slow-release drug fertilizer. The preparation method comprises the following steps: adding benfuracarb, sodium selenite and zeolite powder into a granulating machine to perform granulation so as to obtain a drug fertilizer basic core; adding urea into distilled water, adding a sodium hydroxide solution to adjust the pH value, adding formaldehyde for reaction, adding ammonium dihydrogen phosphate, adjusting the pH value by using phosphoric acid, and reacting continuously to obtain urea formaldehyde compound phosphorus; and adding the drug fertilizer basic core into the granulating machine, and performing granulation by using a mixture containing urea formaldehyde compound phosphorus, lignin, sodium selenite and benthiavalicarb-isopropyl, thereby obtaining the full-effect selenium-containing slow-release drug fertilizer. The preparation method disclosed by the invention has the advantages that the process is reasonable, an effect of long-acting relief is achieved, the utilization ratios of pesticides and fertilizers can be improved, selenium and a drug fertilizer are organically combined, and inorganic selenium is absorbed and converted by crops and becomes biological organic selenium enriched in agricultural products.
Owner:LIAONING NANYANG FERTILIZER
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