46 results about "Phosphate potassium" patented technology

The application provides a weathering steel surface rust layer stabilizing treatment agent for industrial atmospheric environment, and the chemical composition of the weathering steel surface rust layer stabilizing treatment agent is as follows in terms of mass fraction: 25-45% of acrylic resin, 2.0-6.0% of chromium sulfate, 3.0-8.0% of ferrous oxide, 2.0-6.0% of ferric oxide, 0.5-3.5% of copper sulfate, 0.3-1.5% of sodium bisulfite, 1.0-6.0% of sodium molybdate, 0.5-3.5% of nickel sulfate, 2.0-5.0% of potassium phosphate, 0.05-0.5% of surfactant, 0.05-0.5% of defoaming agent, 0.05-0.5% of dispersing agent, 0.05-0.5% of thickening agent, and the balance is water, wherein the amount of plasticizer added is 2-5% of the resin. The stabilizing treatment agent in the application can promote the weathering steel surface to form a stable and dense rust layer within 0.5-1 year after the surface of the weathering steel is treated before use.

The invention belongs to the field of biomedical materials, and relates to a chitosan calcium sulphoaluminate-potassium magnesium phosphate composite bone material as well as a preparation method and application thereof. The calcium sulphoaluminate-potassium magnesium phosphate composite bone material is formed by curing a calcium sulphoaluminate-potassium magnesium phosphate composite bone material and a chitosan solution, the calcium sulphoaluminate-potassium magnesium phosphate composite bone material comprises the following components in percentage by mass: 5-40% of calcium sulphoaluminate, 0.01-3.0% of boric acid and the balance of dead burned magnesium oxide and monopotassium phosphate, and the molar ratio of magnesium in the dead burned magnesium oxide to phosphorus in the monopotassium phosphate is (1-4): 1. The material provided by the invention has remarkable mechanical property, biological activity, cytotoxicity, injectability, non-transmissivity, coagulation property, degradability, absorbability and the like. Meanwhile, the bone material contains unreacted and degradable monopotassium phosphate, magnesium oxide and other substances, and due to the reasonable degradability and absorbability design of the bone material, the material can be gradually degraded in vivo and can grow along with bone tissue, and the treatment effect is further improved.

The invention discloses a low-foam acidic zinc plating additive and a preparation process thereof, and belongs to the technical field of electroplating additives, the additive comprises a low-foam softening agent and a water-based brightener, and the low-foam softening agent comprises the following raw materials in percentage by mass: 0.8-1.2% of polyethyleneimine, 0.03-0.06% of monododecyl phosphate potassium, 0.2-0.6% of water-soluble polyether amine and the balance of water. The water-based brightener is prepared from the following raw materials: 0.6 to 1.2 percent of 5-hydroxymethylfurfural, 0.2 to 0.4 percent of L-cysteine salt, 0.1 to 0.15 percent of 4-amino-2 (1H) pyrimidone, 0.05 to 0.1 percent of sodium salicylate, 1 to 1.5 percent of citric acid, 0.3 to 0.5 percent of alpha-ketoglutaric acid, 0.2 to 0.4 percent of erythorbic acid and the balance of water. The water-based formula is prepared by optimizing the components in the additive, the components are uniformly dispersed, the foam amount is low, and the plating quality is good.

The invention belongs to the technical field of metallurgy, and particularly relates to a comprehensive utilization method of waste lithium iron phosphate lithium extraction slag. According to the method, the waste lithium iron phosphate lithium extraction slag is used as a raw material, potassium hydroxide is used as an additive for aerobic calcination, carbon in the lithium extraction slag is combusted, lithium iron phosphate is decomposed, then aqueous solution leaching is carried out to enable phosphorus to be dissolved into a solution in a potassium phosphate form, a leaching solution is purified and then evaporated, concentrated and crystallized to form potassium phosphate, and the lithium iron phosphate is obtained. Potassium phosphate is dissolved in water to react with ferric chloride, calcium chloride, magnesium chloride and the like to prepare ferric phosphate, tricalcium phosphate or trimagnesium phosphate, and leaching residues are dried and converted into ironmaking raw materials with iron oxide as a main component. Through the steps of water leaching pretreatment, calcination oxidation, potassium phosphate conversion, leaching residue recovery and the like, the problems that in the prior art, the waste lithium iron phosphate lithium extraction residues are low in additional value and cannot be effectively utilized are solved, the waste lithium iron phosphate lithium extraction residues are effectively utilized, and efficient separation and high-value utilization of phosphorus and iron resources are achieved.

The invention relates to a flow battery electrolyte and an application thereof. The flow battery electrolyte comprises vanadium ions, a supporting electrolyte and an additive, the additive is selected from one, two or more of ammonium sulfate, ammonium phosphate, potassium phosphate, sodium metaphosphate, diammonium hydrogen phosphate and hydrogen peroxide. According to the vanadium battery electrolyte provided by one embodiment of the invention, the specific additive is added, so that vanadium ions can be in a liquid state or a microemulsion state, separation or precipitation of the vanadium ions is prevented, and the efficiency of the battery is remarkably improved.

The application discloses a low-foam acid zinc plating additive and a preparation process thereof, and belongs to the technical field of electroplating additives. The additive comprises a low-foam softener and a water-based brightener. The low-foam softener comprises the following raw materials in percentage by mass: polyethylene imine 0.8-1.2%, monododecyl phosphate potassium 0.03-0.06%, water-soluble polyether amine 0.2-0.6%, and the balance is water. The water-based brightener comprises the following raw materials: 5-hydroxymethyl furfural 0.6-1.2%, L-cysteine salt 0.2-0.4%, 4-amino-2(1H) pyrimidinone 0.1-0.15%, sodium salicylate 0.05-0.1%, citric acid 1-1.5%, alpha-ketoglutaric acid 0.3-0.5%, isoascorbic acid 0.2-0.4%, and the balance is water. The application optimizes the components in the additive, prepares a water-based formula, and the components are uniformly dispersed, the foam amount is low, and the plating layer quality is good.

The invention relates to potassium alkyl phosphate as well as a preparation method and application thereof, and the potassium alkyl phosphate is prepared by taking aminophosphonic acid and 1, 2-alkylene oxide as reaction raw materials. The alkyl phosphate salt provided by the invention contains more than two hydrophobic tail chains and hydrophilic head groups, so that the aggregation capacity of the alkyl phosphate salt in an aqueous solution is effectively improved, the alkyl phosphate salt is arranged more tightly in a fiber surface adsorption layer, and higher surface / interface activity is shown; meanwhile, the hydrophilic head group of the potassium phosphate carries negative charges and contains hydroxyl, intramolecular hydrogen bonds and intermolecular hydrogen bonds are easily formed, the hydration effect is good, and the electrostatic conduction efficiency is effectively improved. After the potassium alkyl phosphate provided by the invention acts on chemical fibers, especially polyester staple fibers, the fibers can be endowed with excellent antistatic property under the condition of lower dosage, and the pollution to the water environment is reduced while the cost of a fiber auxiliary agent is reduced.

The present application relates to the technical field of lithium ion battery recycling, in particular to a method for stripping lithium ion battery pole piece and application thereof. The method for stripping lithium ion battery pole piece comprises: immersing the pole piece into a mixed solution containing a stripping agent and a stripping aid for reaction, and obtaining the separated active material layer and the current collector layer after a period of time; the stripping agent comprises a carboxylic acid containing at least two carboxyl groups; the stripping aid comprises at least one of sodium fluoride, potassium fluoride, ammonium fluoride, phosphoric acid, sodium phosphate, monosodium phosphate, sodium metaphosphate, potassium phosphate, monopotassium phosphate, potassium metaphosphate, ammonium phosphate, disodium ethylenediaminetetraacetate, tetrasodium ethylenediaminetetraacetate, inositol hexaphosphate and its salt, inositol pentaphosphate and its salt, inositol tetraphosphate and its salt, and inositol triphosphate and its salt. The method can realize the separation of the active material and the current collector, the hydrogen production amount is small during the whole stripping process, the current collector obtained after stripping is intact, the separation time is short, and the separation efficiency is high.

The application discloses a preparation method of waste wood regenerated aggregate concrete, which comprises the following steps: (1) diluting glycerol with anhydrous ethanol to form a base solution, and then adding magnesium potassium phosphate cement, tricalcium silicate powder, sodium alginate powder and fly ash into the base solution to uniformly disperse and form a slurry; then, the slurry is coated on the surface of wood aggregate, and after being dried, modified wood aggregate is obtained; (2) mixing basalt fibers with an alkali solution and then performing heat preservation, and after completion, the basalt fibers are washed to obtain modified basalt fibers; then, the modified basalt fibers, the modified wood aggregate, ordinary Portland cement, gravel, sand, fly ash, a water reducing agent and mixing water are uniformly mixed to obtain a concrete slurry. The technical scheme of the application effectively improves the strength of the concrete containing wood aggregate, and is beneficial to promoting the popularization and application of waste wood in concrete.

The invention aims to protect an organic potassium phosphate liquid fertilizer and a preparation method thereof. The liquid organic potassium phosphate is obtained by esterification of orthophosphoric acid and binary or trihydric alcohol and salt formation with potassium carbonate or potassium hydroxide, can replace inorganic potassium hydrogen phosphate and potassium dihydrogen phosphate to be used as a fertilizer, has excellent leaf affinity, can be quickly absorbed at leaves and roots, enters plants and does not need to be converted into phospholipid, and the organic potassium phosphate can be used as an organic fertilizer. The phosphate can be directly utilized after being absorbed by plants, so that the absorption and utilization rate of phosphorus and potassium is effectively improved, and the effect is quick; meanwhile, the stability of phosphorus is improved, the phosphorus and medium trace elements are not prone to generating precipitates, the phosphorus can be well mixed with pesticides, the fertilizer is suitable for modern fertilization modes such as unmanned aerial vehicle flight prevention, and the defect that leaves are damaged due to traditional high-concentration application of monopotassium phosphate is overcome. The method has the advantages of mild reaction, operation at normal temperature, no need of heating and simple synthesis steps, and is suitable for industrial production and large-scale popularization and application.

The present application relates to the field of potassium hypophosphite production, and particularly relates to a method and system for co-producing potassium hypophosphite and potassium phosphite, which comprises: replacing all the reaction kettles and pipelines with nitrogen to maintain a slight positive pressure in the system; continuously feeding potassium hydroxide aqueous solution and molten yellow phosphorus into the first-stage reaction kettle to generate potassium hypophosphite and phosphine through disproportionation reaction; feeding the reaction liquid into the second-stage reaction kettle to gradually increase the alkali concentration, and convert part of the potassium hypophosphite into potassium phosphite; feeding the reaction liquid into the third-stage reaction kettle to maintain the alkali concentration at a certain level, and convert part of the potassium hypophosphite into potassium phosphite and release hydrogen; feeding the reaction liquid into the fourth-stage reaction kettle to maintain the alkali concentration at a certain level, and continuously discharge the product containing the mixture of potassium phosphite and potassium hypophosphite from the fourth-stage reaction kettle after the reaction approaches equilibrium, thereby improving the production efficiency, reducing the raw material cost, improving the process safety, thermal energy utilization efficiency and product quality, and realizing the comprehensive utilization of the gas byproducts.

The invention discloses a rubber powder surface modification method based on MgO coating loading and application of the rubber powder surface modification method in potassium magnesium phosphate cement. Belongs to the field of cement-based material modification. The invention aims to solve the problem that the interface inertia of high-hydrophobicity rubber powder cannot be effectively improved by the existing modification method. The method comprises the following steps: carrying out alkali solution pretreatment on rubber powder; adding the pretreated rubber powder into an alkaline tannic acid solution or an acidic silane coupling agent solution, slowly adding MgO dispersion liquid while stirring, and reacting; and then standing, aging, cleaning and drying. According to the invention, the compatibility problem of the rubber powder as a flexible filler in a cement-based material is effectively improved, and the soft water erosion resistance and damping performance of the material are improved, so that the application range of the material in high-durability structure repair, roads and bridges, railway engineering and functional environment-friendly building materials is widened.

The invention provides a silicon-potassium-phosphorus-zinc-magnesium slow-release fertilizer and a preparation method thereof.The silicon-potassium-phosphorus-zinc-magnesium slow-release fertilizer comprises an inner core and a protective shell covering at least part of the surface of the inner core; the inner core comprises a spongy framework and particles filled in and on the surface of the spongy framework; the spongy framework is of a spongy structure based on a Si-O-P bridged bond generated by reaction of a framework raw material system containing boron-containing potassium phosphate silicate and silicon phosphate, and the particles comprise boron-containing potassium phosphate silicate, biochar and an inorganic mineral material; the protective shell comprises at least one of zinc silicate or magnesium silicate; the inner core is compounded with a nutrient material through a spongy framework, so that a stable structure and a slow-release basis of nutrients are realized; the spongy framework provides a high specific surface area and a porous structure to adsorb and fix nutrients, so that the physical strength of the particles is improved, the material viscosity is remarkably reduced, the subsequent drying efficiency is improved, the hygroscopicity of the fertilizer particles is reduced, and the effects of high strength, quick drying, low hygroscopicity and capability of realizing gradient release of the nutrients are achieved.

The invention relates to the technical field of magnesium phosphate cement materials, and particularly discloses a magnesium potassium phosphate cement-based material with high compactness and high salt corrosion resistance and application of the magnesium potassium phosphate cement-based material. The magnesium potassium phosphate cement-based material is prepared from the following components in parts by weight: 30 to 40 parts of dead burned magnesium oxide, 15 to 20 parts of monopotassium phosphate, 3 to 5 parts of retarder, 0.01 to 0.03 part of crystalline phosphate, 30 to 40 parts of fine aggregate and 8 to 13 parts of mixing water. Wherein the molecular formula of the crystalline phosphate is KNaMg2 (PO4) 2.14 H2O. By introducing the crystalline phosphate in a special structural form, the hydration evolution path and the microstructure of the magnesium potassium phosphate cement-based material in a salt erosion environment are effectively improved, and the salt erosion resistance is remarkably improved.

The application discloses a kind of complex fertilizers for clumping bamboo and a preparation method thereof, and belongs to the technical field of fertilizer manufacturing.The complex fertilizers for clumping bamboo of the application are of a complex granular structure, which comprises, from inside to outside, (1) a quick-acting nutrient core; (2) a bioactive synergistic layer wrapped outside the quick-acting nutrient core; and (3) a chitosan functional coating wrapped outside the bioactive synergistic layer.By means of the innovative ternary composite structure of "core-layer-film", the application realizes the intelligent controlled release of nutrients; by introducing the core functional component "mesoporous potassium phosphate modified bamboo charcoal", the application solves the safety hazard of excessive heavy metals in bamboo shoots while ensuring nutrient supply; and by means of the scientifically proportioned "functional enhanced composite microbial agent", the application significantly promotes root growth and effectively inhibits soil-borne diseases.These technical features support and cooperate with each other, and ultimately realize the multiple beneficial effects of yield and income increase, quality and efficiency improvement, soil fertility improvement, and green safety.

The utility model discloses a preparation device of a humic acid-containing water-soluble bacterial fertilizer capable of promoting growth and increasing yield. The preparation device of the humic acid-containing water-soluble bacterial fertilizer capable of promoting growth and increasing yield comprises a tank body, a cover plate which is arranged at the opening position of the tank body and is matched with the tank body for use, a feed port and a vertically arranged driving motor which are arranged on the cover plate, and a vertically arranged stirring shaft which is arranged in the tank body and is connected with the driving motor, a six-arrow-blade disc turbine stirrer and a three-blade wheel stirrer which are respectively positioned in the middle of the stirring shaft and at the bottom of the stirring shaft are distributed on the stirring shaft. Stirring and mixing of mineral source potassium humate, urea, potassium pyrophosphate, potassium nitrate, monopotassium phosphate, orthophosphoric acid, Tween 80, sodium carboxymethyl cellulose, propylene glycol, bacillus amyloliquefaciens subsp. Plantarum thallus coating liquid and water are fully realized by utilizing a six-arrow-leaf disc turbine stirrer and a three-blade wheel stirrer on a stirring shaft; and obtaining the humic acid-containing water-soluble bacterial fertilizer at a preset temperature.

The invention belongs to the technical field of building materials, and discloses modified potassium magnesium phosphate cement and application thereof. A mixture of carbide slag, fly ash and sodium fluosilicate is used for replacing part of overburnt magnesium oxide to prepare the modified potassium magnesium phosphate cement, the fly ash, the carbide slag and the sodium fluosilicate are mixed according to the mass ratio of 6.5: 3: 0.5, and research shows that the compressive strength of the modified potassium magnesium phosphate cement is firstly increased and then reduced along with the increase of the doping amount of modified raw materials; when the mixing amount is 20%, the compressive strength reaches the maximum, the compressive strength increase in 28 days reaches 22%, and at the moment, the compressive strength is 45.82 MPa. The modified potassium magnesium phosphate cement also shows better water resistance, wherein the compressive strength retention coefficients of two groups of test pieces M1 and M2 under a 7 + 60 d curing system are 0.9443 and 1.0141 respectively. The invention provides the modified potassium magnesium phosphate cement with better performance, and the modified potassium magnesium phosphate cement has important significance in popularization and application of the potassium magnesium phosphate cement.

The invention discloses an activation method of low-grade potassium phosphate rock, which belongs to the field of phosphate rock processing, and comprises the following steps: S1, potassium phosphate rock pretreatment; s3, performing mechanical ball milling for the second time; s4, medium and low temperature heat treatment; and S5, obtaining a product. The product obtained by the method not only can provide nutrient elements such as nitrogen, phosphorus, potassium and the like, but also can provide various beneficial trace elements, supplement plant nutrients and beneficial elements and promote plant nutrient balance, has an all-element continuous supplement effect, and realizes all-element utilization of potassium phosphate ore. The whole technological process of the phosphorus activation method for the potassium phosphate ore can retain beneficial minerals, no phosphogypsum tailings are generated, and the phosphorus activation method has important significance on comprehensive utilization of resources and ecological environment protection. The phosphorus activation method of the potassium phosphate only needs mechanical ball milling of the ball mill and medium and low temperature heat treatment in the muffle furnace, and is simple to operate, low in energy consumption, free of end treatment and high in universality.

The application relates to a synthesis method of a Bose factor, which comprises the following process steps: step (1): mixing xylose, acetylacetone and an alkaline substance in a solvent and heating to react to obtain a first intermediate product crude product; step (2): mixing potassium phosphate buffer, the first intermediate product crude product obtained in step (1), a KRED2935 crude enzyme solution, glucose dehydrogenase, glucose and beta-nicotinamide adenine dinucleotide phosphate monosodium salt, and converting at 25-35 DEG C for 1-2 h; after the conversion is completed, adding ethyl acetate to terminate the reaction, extracting, combining the organic phases, adding anhydrous sodium sulfate to dry, and then removing the solvent under reduced pressure through rotary evaporation to obtain the Bose factor. The application can obtain the Bose factor with high stereoselectivity, the conversion rate is high, the obtained product is easy to separate, and the problems of low stereoselectivity and difficult process amplification production in the prior art are overcome.

The invention relates to the field of chemical production, in particular to a dipotassium phosphate compound fertilizer production system which comprises a pulverizer, a stirrer, a granulator, dehumidification equipment, a dryer, a cooler, a coating machine and packaging equipment. And the upper rotating plate is rotationally connected with a dehumidification outer cylinder, a dehumidification inner cylinder is arranged in the dehumidification outer cylinder, a discharging cavity is formed between the dehumidification outer cylinder and the dehumidification inner cylinder, and filtering holes are formed in the dehumidification outer cylinder and the dehumidification inner cylinder. The dehumidifying outer cylinder is rotated to a designated position, a gear ring on the dehumidifying outer cylinder is engaged with a gear, a motor operates to drive the gear to rotate, the gear ring drives the dehumidifying outer cylinder to rotate, and dehumidification is performed through centrifugal force generated by rotation, so that the drying time of the dryer is shortened, and abrasion among fertilizer particles is reduced; the influence on the body health of production personnel due to more dust generated by the compound fertilizer production system in the later period is avoided.

The invention belongs to the technical field of chemical production, and provides a preparation method of a mineral conditioner based on phosphorus-potassium synergistic activation of low-grade potassium phosphorite, and synchronous deconstruction and nutrient release of potassium feldspar and apatite are realized through a mechanical ball milling-thermal activation-hydrothermal activation three-stage synergistic activation system. The method comprises the following steps: performing mechanical ball milling on potassium phosphate rock powder and ammonium sulfate according to a mass ratio of 20: 1 for 1 hour, performing thermal activation at 400 DEG C for 6 hours, mixing with quick lime according to a ratio of 7: 2, performing ball milling, and performing hydrothermal reaction at 180 DEG C for 16 hours to obtain a product. According to the invention, the problems of difficult synergism of phosphorus and potassium activation, complex flow and high energy consumption in the traditional process are solved, and the obtained mineral conditioner has main nutrients of phosphorus and potassium and various trace elements, and can be directly applied. The method is suitable for efficient utilization of low-grade potassium phosphate ore resources, and has the advantages of simple process, low energy consumption, environmental friendliness and the like.

The present disclosure provides bio-material composition, comprising a dry potassium phosphate based mixture comprising: MgO, monobasic potassium phosphate, monobasic sodium phosphate, proteoglycans, calcium sodium phosphosilicate, and a plurality of spherically-shaped polymers, wherein a weight percent ratio of monobasic potassium phosphate to MgO is between about 3:1 and 1:1, wherein the dry potassium phosphate based mixture is configured to be mixed with the aqueous solution to thereby form a reabsorbable bio-material slurry, wherein the spherically-shaped polymers are between about 1-5 weight percent of the dry composition, and wherein the spherically-shaped polymers are absorbed faster than the remaining components of the reabsorbable bio-material slurry to thereby form pockets within the bio-material composition that enhance reabsorption of the bio-material co

A fertilizer containing a mixture containing potassium ammonium phosphate, slow-release calcium, and immediate-release calcium and methods of making and using the fertilizer.

The invention provides a lithium ion battery with long cycle life and good charge-discharge performance and a preparation method thereof, and belongs to the technical field of lithium ion batteries. The preparation method specifically comprises the following steps: respectively adding potassium phosphate to the surfaces of a positive electrode material, a negative electrode material, an electrolyte or a diaphragm of the lithium ion battery; the potassium phosphate is at least one of potassium phosphate and dipotassium phosphate. After potassium phosphate is added into the lithium ion battery, the cycle performance, the low-temperature discharge efficiency and the storage stability of the battery are all improved, the preparation process is simple and flexible, and industrial production of the lithium ion battery is convenient to realize.

This invention discloses a production process and a slow-release potassium polyphosphate fertilizer, belonging to the field of fertilizer technology. The slow-release potassium polyphosphate fertilizer of this invention is obtained by mixing and compressing modified hydrotalcite, composite polylactic acid, potassium polyphosphate, and potassium pentahydrogen bisphosphate into tablets. The modified hydrotalcite is obtained by intercalating hydrotalcite with an amino acid surfactant. The amino acid surfactant is obtained by amidation reaction of sodium amino acids and coconut oil. The composite polylactic acid is obtained by ring-opening polymerization of N,N-dihydroxyethylglycine and lactide. The slow-release potassium polyphosphate fertilizer prepared by this invention has a good slow-release effect and is beneficial to crop growth.

The invention discloses an improved device and method for preparing monopotassium phosphate and co-producing ammonium chloride and a phosphorus-potassium fertilizer through an organic extraction method, and relates to the technical field of monopotassium phosphate production. The raw material preparation device comprises a solution preparation device and a strip liquor preparation device; the monopotassium phosphate feed liquid preparation device comprises a monopotassium phosphate extraction device, a salt washing device, a reverse extraction device and a water washing device which are connected in sequence, the solution preparation device is connected with the monopotassium phosphate extraction device, and the reverse extraction liquid preparation device is connected with the reverse extraction device; the monopotassium phosphate product production device is used for carrying out filtering, size mixing, concentration crystallization, separation, drying and packaging on monopotassium phosphate; the ammonium chloride product production device is used for filtering, concentrating, crystallizing, separating, drying and packaging ammonium chloride; and the phosphorus-potassium fertilizer deep processing and utilizing device is used for drying and packaging the phosphorus-potassium fertilizer. Three products can be produced at the same time, and the purposes of the optimal quality of the monopotassium phosphate product and the most economical cost are achieved.

This invention discloses a water-soluble fertilizer coloring method that enhances the coloring process, belonging to the field of water-soluble fertilizers. The method includes the following steps: S1, adding glycerol, fatty alcohol polyoxyethylene ether, dimethyl sulfoxide, and pure water to a stirring container and starting stirring to obtain a mixed solvent; S2, adding sodium lignosulfonate to the mixed solvent and continuing stirring until the sodium lignosulfonate is completely dissolved to obtain a dispersion; S3, adding potassium pyrophosphate to the dispersion and continuing stirring until the potassium pyrophosphate is completely dissolved to form a mixed solution one, adjusting the pH to form a stable system solution; S4, slowly adding a water-soluble pigment to the stable system solution and continuing stirring to obtain a colorant; S5, mixing the colorant from S4 with fertilizer, wherein the weight of the colorant is 1%~10% of the fertilizer weight, and continuing stirring to obtain a water-soluble fertilizer product. This invention completes coloring solely through material mixing. After coloring, it can significantly improve fertilizer nutrient utilization, enhance crop stress resistance, and also help improve pigment dispersibility and the binding effect between the colorant and fertilizer.

The present disclosure relates to a method for treating a bone defect using a bio-material with increased porosity and reabsorption characteristics, the method comprising: (a) mixing a dry potassium phosphate based mixture with an aqueous solution to form a reabsorbable bio-material slurry, wherein the dry potassium phosphate based mixture comprises MgO, monobasic potassium phosphate, monobasic sodium phosphate, proteoglycans, and calcium sodium phosphosilicate, wherein a weight percent ratio of monobasic potassium phosphate to MgO is between about 3:1 and 1:1, wherein the dry potassium phosphate based mixture is configured to be mixed with the aqueous solution to thereby form a reabsorbable bio-material slurry, wherein the proteoglycans are between about 1-10 weight percent of the dry composition, (b) accessing a void of a bone defect within a bone, and (c) filling the void with the reabsorbable bio-material slurry, wherein the reabsorbable bio-material slurry is osteoconductive and osteoinductive, thereby enabling new bone growth in the void.

Disclosed is a fertilizer containing a mixture containing one or more of potassium phosphate, calcium sulfate, magnesium ammonium phosphate, and calcium ammonium phosphate. Methods of making and using the fertilizer granule are also disclosed.

The invention discloses a special fertilizer for corn liquid spray and drip irrigation and a preparation method thereof, and belongs to the technical field of fertilizer production. The special liquid fertilizer for spray and drip irrigation of corn is prepared from the following raw materials: a urea-ammonium nitrate solution, polyglutamic acid, acid mineral source potassium fulvate, potassium formate, potassium tripolyphosphate, boric acid and water. Balanced nutrition is provided through the urea-ammonium nitrate solution, potassium tripolyphosphate and potassium formate, the synergistic interaction effect of the acid mineral source potassium fulvate and polyglutamic acid is mainly relied on, and through cooperation of the acid mineral source potassium fulvate and polyglutamic acid, soil metal ions can be effectively chelated to prevent a phosphate fertilizer from being fixed, water retention is powerful, the drought resistance is enhanced, root development is stimulated, nutrient absorption is promoted, and the yield is increased. The fertilizer utilization rate, the crop yield and the stress resistance are obviously improved. The product has good stability, is completely water-soluble, and does not block a drip irrigation or sprinkling irrigation system.