44results about How to "Has a chelating effect" patented technology

The invention belongs to the field of novel multi-functional fertilizer, in particular to multi-functional composition for increasing the production of tuber crops. The active ingredient of the composition is composed of choline chloride, amino-oligosaccharin, diethylaminoethyl hexanoate, naphthylacetic acid, humic acid, potassium sulfate, monopotassium phosphate and magnesium sulfate heptahydrate. The multi-functional composition for increasing the production of tuber crops is novel multi-functional fertilizer, is featured with no residue, no pollution and no resistance in the agriculture and is capable of obviously accelerating the tuber crop root growth and improving the tuberous root and tuber production.

The invention discloses a complexing agent for removing metal and ash in coal tar and a use method thereof. The problems that in the prior art, the use amount of a demetallization agent is large, the removal rate is low, and functional groups are limited are solved. The complexing agent is prepared from, by weight, 40%-70% of active agent, 15%-35% of synergist, 5%-15% of pitch colloid dispersant, 1%-10% of corrosion inhibitor and 5%-20% of auxiliary. The complexing agent for removing metal and ash in coal tar is suitable for the fields of coal tar pre-treatment and deep processing. By means of the complexing agent and the method, the use amount of the complexing agent is small, removal efficiency is high, the preparation process is simple, and the use method is convenient.

The invention relates to a special controlled-release water soluble fertilizer for grapes and a preparation method of the special controlled-release water soluble fertilizer. The controlled-release water soluble fertilizer is prepared from the following raw materials in parts by weight: 190-230 parts of ammonium nitrate, 40-60 parts of ammonium dihydrogen phosphate, 30-50 parts of triple superphosphate, 90-110 parts of monopotassium phosphate, 230-260 parts of potassium nitrate, 100-130 parts of potassium sulfate, 30-60 parts of chelated medium trace element mixture, 7-10 parts of borax and 3-6 parts of inorganic gel particle. The preparation method comprises the following steps: (1) treating monopotassium phosphate and potassium sulfate by use of the inorganic gel particle to obtain controlled-release monopotassium phosphate and potassium sulfate; and (2) mixing and dispersing the raw material components at a high speed to obtain the controlled-release water soluble fertilizer. According to the special controlled-release water soluble fertilizer for grapes, a part of phosphorus and potassium nutrients in the controlled-release water soluble fertilizer have slow release feature, so that the water soluble fertilizer is in accordance with the law of the nutrient absorption in a grape growth period, the fertilizer efficiency utilization rate of the water soluble fertilizer is improved and the controlled-release water soluble fertilizer has high market application value.

The invention discloses an amino acid chelating compound organic feed additive, which is characterized in that the amino acid chelating compound organic feed additive comprises the following raw materials in parts by weight: 0.5-2 of copper sulphate, 5-12 of zinc sulphate heptahydrate, 3-8 of manganese sulphate, 0.1-5 of ferrous sulphate heptahydrate, 10-50 of amino acid, 30-50 of calcium, 0.05-1 of trace elements, and 5-10 of filling material. The amino acid chelating compound organic feed additive disclosed by the invention has electric neutrality and more complete absorption; molecules can directly enter blood to be utilized for whole-body circulation through cell walls more smoothly; and the amino acid chelating compound organic feed additive has the advantages of steady chemical property, high biological value, low additive amount, good palatability, safety and high efficiency. The invention further discloses a production method of the amino acid chelating compound organic feed additive.

The invention discloses a levelling agent used for environmentally friendly cotton and a preparation method thereof. The levelling agent is composed of tristyryl polyoxyethylene ether sulphate, chelating disperse agent, lignosulfonate, sodium glycol bis-(1-octyl) sulfo succinate, ammonia water, organic silicon defoaming agent and water. The invention controls dye to be uniformly absorbed and dyed; and dye can be prevented from condensation and precipitation even under the condition of low temperature high electrolyte concentration. 'Full addition method' can be adopted, thus greatly simplifying dyeing operation; the dye is ensured to be steadily and uniformly fixed, thus avoiding ununiform fixation; dyeing speck caused by insoluble calcium carbonate when in fixation by soda ash is prevented, meanwhile dyed object has pure colour and lustre, and handfeel is soft; colour yield is not influenced, batch difference can be reduced, dyeing process can be reduced, cost can be reduced, and wet fastness of dyed object can be improved.

The invention discloses a reverse osmosis cleaning agent for seawater desalination equipment, a preparation method and a use method, and belongs to the technical field of seawater desalination. The reverse osmosis cleaning agent comprises an acidic agent A and a multifunctional agent B; wherein the acidic agent A is composed of citric acid, hydrochloric acid, formic acid, nitrilotriacetic acid trisodium salt and deionized water, and the multifunctional agent B is composed of inorganic base, ethylenediamine tetraacetic acid salt, polyethyleneimine, alcohol amine organic base and the like; According to the invention, the acidic agent A and the multifunctional agent B are cooperatively used for cleaning the reverse osmosis membrane, during use, the multifunctional agent B is firstly used for removing various organic impurities, micro-plastics and acidic substances in the reverse osmosis membrane, then the multifunctional agent B in the reverse osmosis membrane is washed away through water washing, and then the acidic agent A is used for removing various metal salts, metal ions and metal oxides. Finally, thereverse osmosis membrane is washed with a multifunctional agent B to fully remove a small amount of organic impurities, and meanwhile, a certain repairing effect on the reverse osmosis membrane is achieved.

The invention discloses a preparation method of an antibacterial polypropylene fiber non-woven fabric for a wiping paper. The preparation method comprises: dispersing graphene oxide in dimethylacetamide, adding mercapto-succinic acid and anhydrous triethylamine into the solution for a reaction, carrying out aftertreatment to obtain a material A, dispersing the material A in dimethylacetamide, adding curcumin and p-toluenesulfonic acid into the solution for a reaction, carrying out aftertreatment to obtain modified graphene oxide, uniformly mixing sodium dodecylbenzenesulfonate, sodium lauryl sulfate, sodium phosphate, modified graphene oxide, carbon nanotubes, nano-silver, aloe extract and water to obtain an immersion liquid, immersing a polypropylene fiber non-woven fabric in the immersion liquid, carrying out drying to obtain the immersed non-woven fabric, adding 5, 5-dimethyl hydantoin into the aqueous sodium hydroxide solution, adding methanol and allyl bromide into the solution for a reaction to obtain a hydantoin derivative, uniformly mixing acrylic resin, hydroxyethyl acrylate, octadecyl acrylate, hydantoin derivative, a light initiator and ethyl acetate, immersing the immersed non-woven fabric into the mixed solution, and carrying out drying, curing, chlorination, washing and drying.

The invention discloses a high-performance medical liquid adhesive bandage. The liquid adhesive bandage contains the following raw materials (by weight): 80-120 parts of cellulose acetate, 20-50 parts of castor oil, 30-70 parts of glyceryl triacetate, 200-500 parts of benzyl alcohol, 80-1200 parts of ethyl acetate, 1-10 parts of dopamine, 40-400 parts of a silver nitrate aqueous solution and 100-500 parts of an ethanol solution. The adhesive bandage of the invention has a good antibacterial property and also has properties such as high adhesion to skin, waterproofness, air permeability, concealing performance and the like.

The invention provides special fertilizer for citrus planting and a preparation method of the fertilizer and belongs to the technical field of agricultural planting fertilizer. The special fertilizer for citrus planting takes biogas residues, animal waste, urea, bagasse and fulvic acid are base fertilizer and is supplemented with calcium superphosphate, pyrethrum, sodium naphthalene-1-acetate, edible mushroom dregs, polyaspartic acid, bone dust fertilizer, potassium sulfate, manganese sulfate, pumpkin vines, shell powder and banana peels. The preparation method is simple and easy to operate, the prepared fertilizer contains rich nitrogen, phosphorous, potassium and other elements required for plant growth, has multiple nutrients, has pest and disease prevention effects and can improve the soil property and make the soil rich in fertility, so that healthy growth of citrus trees and increase of citrus fruits are facilitated, and the disease resistance of the citrus trees is improved.

Belonging to the technical field of fertilizers special for flowers, the invention in particular relates to a high efficiency foliage fertilizer special for flowers and a preparation method thereof. The high efficiency foliage fertilizer special is composed of potassium sulfate, urea, triple superphosphate, ferric sulfate, magnesium sulfate, copper sulfate, manganese sulfate, zinc sulfate, ammonium molybdate, chitosan, an emulsifier, polyaspartic acid, and brassinolide ingredients. The foliar fertilizer special for flowers has high total nutrient content, can rapidly improve the nutrition required by flower growth to promote upgrading of flower color and petal quality and expansion of floral leaf thickness and flower discs, also avoids fertilizer's entry into soil to be fixed and transformed, can prolong the life of functional leaves, promote metabolism of the root system, and achieve the advantages of increasing fertilizer utilization rate, improving crop yield and quality and the like.

The invention discloses a method for rapidly preparing copper-zinc-tin-sulfur nanoparticles and belongs to the technical field of solar cell materials and devices. The method comprises the following steps of: mixing a copper source, a zinc source, a tin source and a sulfur source into an organic solvent, adding a surfactant, performing microwave heating in a microwave oven, and synthesizing copper-zinc-tin-sulfur Cu2ZnSnS4 nanoparticles. The copper-zinc-tin-sulfur nanoparticles prepared by the invention are high in reaction speed, the raw materials are rich in source, non-toxic and low in price, the repeatability is high, the reaction device is simple, the reaction process is controllable, the product is pure, and the material phase can be conveniently and rapidly controlled by changing the reaction time.

The invention relates to a storage, fresh-keeping and processing method of Chinese toon. The fresh-keeping method comprises the following steps of performing sorting, performing cleaning, performing blanching in a sodium bicarbonate solution, performing soaking in a pretreating agent, performing fresh-keeping treatment, performing refrigeration for the first time, performing refrigeration for the second time, and performing refrigeration for the third time. The method for processing the Chinese toon prepared by the storage and fresh-keeping method comprises the following steps of performing cooking, performing cooling, performing spin-drying, performing boiling, and performing mixing with other raw material components. The made Chinese toon maintains deep green, active substances in the Chinese toon are effectively released, the nutrient components are rich, and the content of nitrite is low.

The invention discloses cocoon-shaped TbPO4 powder with a good luminescence property and a preparation method thereof. The preparation method comprises the following steps: respectively dissolving the raw materials terbium trinitrate and NH4H2PO4 into deionized water according to the condition that the molar ratio of PO4<3-> to Tb<3+> is 60:1, evaporating the NH4H2PO4 solution to recrystallize, dissolving the crystal substance into deionized water, mixing with the terbium trinitrate solution, and stirring; regulating the pH to be 2 so as to form a precursor solution, transferring the precursor solution into a reaction kettle with a lining of teflon, carrying out hydrothermal reaction, carrying out heat preservation, then centrifuging the generated white precipitate, washing with deionized water, and then drying so as to obtain the cocoon-shaped TbPO4 powder. The cocoon-shaped hexagonal phase TbPO4 powder is synthesized by virtue of a low temperature hydrothermal method, is simple to prepare, has short preparation cycle, is regular and uniform, has high degree of crystallinity and good dispersibility, and has good luminescence property.

The invention discloses a scale inhibitor of reverse osmosis membranes and relates to the field of chemical processes. The composition is prepared from polyepoxysuccinic acid, sodium polystyrene sulfonate, poly aspartic acid, polylactic acid, dimethyldistearylammonium bromide, benzisothiazolones and deionized water. The phosphate-free scale inhibitor of reverse osmosis membranes is capable of efficiently removing inorganic scales and colloid scales deposited on reverse osmosis membranes; in the formula, several phosphate-free or low-phosphate environment-friendly materials are used in combination, the use effect of the composite agent is greatly improved through the synergistic effect among the raw materials, and satisfactory comprehensive scale removing performance is achieved; meanwhile, by means of the phosphate-free formula and addition of a small amount of the green fungicide benzisothiazolones, the potential danger of biological pollution and bacterium standard exceeding of membrane systems can be relieved, and pollution to the environment water source is avoided.

The invention discloses an organic fertilizer and a preparation method thereof, relating to the technical field of fertilizers. The organic fertilizer comprises the following raw materials: sheep manure, wormcast, sugar residues, soya bean meal, straws, animal urea, slaked lime and additives, wherein the additives comprise the following raw materials in parts by weight: ascorbic acid, citric acid, glutathione, potassium bacteria and potassium bacteria. By adopting the organic fertilizer disclosed by the invention, not only is nutrition essential for plants provided, but also toxic substances in soil of crops can be rapidly converted into absorbable nutrients, so that soil toxicity can be alleviated after continuous cropping, and flora types and structures of soil can be improved.

The invention relates to an efficient nitrogen and phosphorus removal granular preparation. The granular preparation is prepared from raw materials in parts by weight as follows: 20-100 parts of potassium ferrate, 20-100 parts of bentonite, 1-5 parts of disodium EDTA, 10-50 parts of cement and 1-5 parts of a sodium lauryl sulfate aqueous solution. The concentration of the sodium lauryl sulfate aqueous solution is 2-3 g/L. The production technology of the efficient nitrogen and phosphorus removal granular preparation comprises the steps as follows: (1) potassium ferrate, bentonite, disodium EDTA and cement are mixed and stirred uniformly in proportion, a mixture is obtained; (2) the sodium lauryl sulfate aqueous solution is added to the mixture in step (1) and mixed and stirred uniformly, granulation and drying are performed, and the granular preparation is obtained. The efficient nitrogen and phosphorus removal granular preparation and the production process thereof have the benefits that energy consumption is low in the preparation process of nitrogen and phosphorus removal granular preparation, preparation is simple, no secondary pollution is caused to the environment, and the heavy metal adsorption effect is good.

The invention discloses a cleaning solution suitable for a plate heat exchanger and a preparation method thereof. The preparation method comprises the steps: preparing glass into porous glass beads, then performing modification treatment and obtaining modified porous glass beads; then adding the isocyanate-terminated prepolymer into the dispersion liquid, carrying out dispersion treatment, and adding the modified porous glass beads in the dispersion process to obtain polyurethane-porous glass composite beads; dissolving ethylenediamine tetraacetic acid in boiling water, naturally cooling to room temperature, adding sulfamic acid, citric acid and copper sulfate, stirring until the materials are dissolved, then adding 1-aminoethyl-3-methylimidazolium bis (trifluoromethanesulfonyl) imine salt, and ultrasonically dispersing uniformly to obtain a premixed solution; and finally, adding iron ferrocyanide and polyurethane-porous glass composite microbeads into the premixed liquid while stirring, and carrying out homogenization treatment so as to obtain the cleaning liquid. The cleaning solution is convenient to use, and can be directly introduced into the plate heat exchanger in a pulse cleaning manner so that the plate heat exchanger can be effectively cleaned on the basis of not disassembling the plate heat exchanger.

The invention discloses a strawberry fresh-keeping agent combination, which comprises a first strawberry fresh-keeping agent, a second strawberry fresh-keeping agent, and a third strawberry fresh-keeping agent, wherein the first strawberry fresh-keeping agent comprises 2-3 parts of tea polyphenol, 1-9 parts of vitamin, 1-3 parts of rhizome of common ginger, 3-13 parts of citric acid and 30-40 parts of water; the second strawberry fresh-keeping agent comprises 3-6 parts of sodium chloride, 3-5 parts of glucose, 1-2 parts of citric acid, 1-2 parts of mannose and 20-30 parts of water; and the third strawberry fresh-keeping agent comprises 8-10 parts of root of ural licorice, 3-4 parts of sensitiveplant herb, 3-5 parts of bee gelatine, 1-5 parts of cellulose, 10-20 parts of grape seed extractsand 40-50 parts of water. The invention further discloses a strawberry fresh-keeping method, which includes the following steps: step 1. spraying the first strawberry fresh-keeping agent on the surfaces of strawberries 15-10 days before the expected picking day of strawberries; step 2. spraying the second strawberry fresh-keeping agent on the surfaces of strawberries after the strawberries are picked on the expected picking day; step 3. spraying the third strawberry fresh-keeping agent on the surfaces of strawberries 10 days after the strawberries are picked.

The invention discloses short rod-shaped TbPO4 powder with excellent luminescence property and a preparation method thereof. The preparation method is characterized by comprising the following steps: adopting terbium trinitrate and monoammonium phosphate as raw materials, respectively dissolving terbium salt and NH4H2PO4 into deionized water according to a molar ratio of PO4<3-> and Tb<3+> being (40:1), evaporating the NH4H2PO4 solution to be recrystallized, dissolving the crystallized substance into the deionized water, mixing with the terbium salt solution, and stirring; adjusting the pH value to 3 to form a precursor solution; placing the precursor solution into a reaction kettle with a polytetrafluoroethylene lining to have hydrothermal reaction; preserving the heat, centrifuging the generated white precipitate, washing with deionized water, and drying the white precipitate to obtain the short rod-shaped TbPO4 powder. The short rod-shaped hexagonal-phase TbPO4 powder is synthesized by adopting the low-temperature hydrothermal method, simple operation is realized, the preparation period is short, the crystals are regular, the crystal grain is uniform, the crystallization degree is high, the dispersion property is good, and the luminescence property is good.

The invention discloses a textile of a rapid self-purification chemical warfare agent simulant and a preparation method of the textile. The preparation method comprises the following steps that a non-woven fabric is immersed into a mixed solution containing a polyphenol compound and 3-aminopropyl triethoxysilane to obtain a polyphenol hybrid coating modified non-woven fabric; and the non-woven fabric is dried and immersed into a solution containing zirconium tetrachloride and an organic ligand for hydrothermal reaction, so that a zirconium-based metal organic framework compound generated by the reaction is loaded on the surface of the polyphenol hybrid coating modified non-woven fabric, and the textile of the rapid self-purification chemical warfare agent stimulant is obtained. By means ofthe mode, the prepared textile can retain the excellent adsorption capacity and catalytic property of the zirconium-based metal organic framework compound, the degradation rate of the chemical warfare agent simulant is high, the half-life period is short, the conversion rate is high, and the textile can further be recycled after self-purification; and the preparation process is simple, the reaction conditions are mild, the used materials are economical and easy to obtain, the preparation method of the textile is suitable for industrial large-scale production, and a wide application prospect is achieved.