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48 results about "Ferric Pyrophosphate" patented technology

Ferric pyrophosphate is an iron replacement product. You normally get iron from the foods you eat. Iron helps your body produce red blood cells that carry oxygen through your blood to tissues and organs. Ferric pyrophosphate is used to treat iron deficiency in people with chronic kidney disease who are on dialysis.

Preparation method and application of manganese ion doped modified ferric sodium pyrophosphate positive electrode material

The invention relates to a preparation method and application of a manganese ion doped modified ferric sodium pyrophosphate positive electrode material, and belongs to the technical field of sodium ion battery positive electrodes. The preparation method comprises the following steps: adding a sodium source, a phosphorus source and a carbon source into ethanol, uniformly mixing to form a mixed solution, sequentially adding an iron source and a manganese source into the mixed solution, uniformly mixing to form slurry, and drying the slurry to obtain precursor powder; calcining in a protective atmosphere to obtain a manganese-doped carbon-coated ferric pyrophosphate sodium material; the calcining conditions are as follows: heating to the temperature of 300-350 DEG C at the heating rate of 2-3 DEG C / min, carrying out first-stage constant-temperature calcination for 2-3 hours, heating to the temperature of 500-550 DEG C at the heating rate of 5-8 DEG C / min, and carrying out second-stage constant-temperature calcination for 10-12 hours. By doping the manganese ions, the electronic conductivity and the ion diffusivity of the ferric sodium phosphate pyrophosphate composite material are improved, so that the discharge capacity of the ferric sodium phosphate pyrophosphate composite material at high rate is improved, and the battery has relatively high cycle stability.
Owner:KUNMING UNIV OF SCI & TECH

Low-sulfur metal cation doped ammonium manganese ferric phosphate precursor, carbon-coated modified sodium manganese ferric pyrophosphate, and preparation method and application of low-sulfur metal cation doped ammonium manganese ferric phosphate precursor and carbon-coated modified sodium manganese ferric pyrophosphate

The invention belongs to the technical field of new energy materials, and particularly relates to a low-sulfur metal cation doped ammonium manganese ferric phosphate precursor, carbon-coated modified sodium manganese ferric pyrophosphate and a preparation method and application thereof. According to the invention, the low-sulfur metal cation doped ammonium manganese ferric phosphate precursor is successfully prepared. A proper amount of phosphoric acid source is added into the prepared metal cation doped ammonium manganese ferric phosphate precursor for treatment, so that the sulfur content of the precursor is remarkably reduced, and the molar ratio of manganese, iron, doped elements and phosphorus elements is regulated and controlled to be slightly smaller than 1. The atomic-scale distribution of elements in the precursor is realized, the tap density is also improved, and the subsequent preparation of a high-performance carbon-coated modified manganese ferric sodium phosphate pyrophosphate material is facilitated. The sodium ion battery constructed based on the material has excellent charge-discharge capacity, capacity retention ratio and cycling stability. In addition, the preparation method of the precursor is simple and convenient to operate and easy to control, and has the advantage of wide application.
Owner:RUYUAN DONGYANGGUANG NEW ENERGY MATERIAL CO LTD

Method for preparing composite iron-based polyanion positive electrode material

The invention discloses a method for preparing a composite iron-based polyanion positive electrode material. The structural formula of the positive electrode material is represented as Na4Fe3 (PO4) 2 (P2O7) (at) Camp, mXenes are sodium ferric pyrophosphate compositely coated by an MXenes material and a carbonaceous precursor, and the preparation method comprises the following steps: weighing a sodium source, a ferrous source, a phosphorus source and a carbon source according to a stoichiometric ratio, uniformly mixing, grinding, spray-drying and sintering at high temperature to obtain the composite iron-based polyanion positive electrode material, and the carbon source comprises iron-nickel doped polyethylene glycol. The composite iron-based polyanion positive electrode material provided by the invention is remarkably improved in the aspects of energy density, rate capability and cycle life, and the preparation process is simple to operate, reliable in flow, quick in preparation process and easy for industrial production, so that an ideal scheme is provided for commercialized sodium ion battery positive electrode materials.
Owner:ANHUI XINNA MATERIAL SCIENCE & TECHNOLOGY CO LTD

Composite positive electrode material, positive plate and secondary battery

The invention discloses a composite positive electrode material, a positive plate and a secondary battery, the composite positive electrode material comprises a composite sodium ferric sulfate material and a carbon-coated ferric sodium pyrophosphate material, the composite sodium ferric sulfate material comprises a first carbon material and sodium ferric sulfate, and the first carbon material and the sodium ferric sulfate are blended; the carbon-coated ferric sodium phosphate pyrophosphate material comprises a second carbon material and ferric sodium phosphate pyrophosphate, and the second carbon material coats the ferric sodium phosphate pyrophosphate; the composite sodium ferric sulfate material is coated with the carbon-coated sodium ferric pyrophosphate material. The composite sodium ferric sulfate material is coated with the carbon-coated sodium ferric pyrophosphate material, so that the high-temperature resistance of the composite positive electrode material can be improved; through the coating effect of the whole carbon-coated ferric pyrophosphate material on the composite sodium ferric sulfate material, the second carbon material can be coated on the composite sodium ferric sulfate material, equivalently, a carbon coating layer is formed on the surface of sodium ferric sulfate, the coating property is good, sodium ion removal is facilitated, and the service life of the composite sodium ferric sulfate material is prolonged. Further, the gram volume and the energy density of the composite positive electrode material are improved.
Owner:JIANGSU ZOOLNASM ENERGY TECH CO LTD

Complex-phase ferric sodium pyrophosphate positive electrode material as well as preparation method and application thereof

The invention discloses a multiphase ferric sodium pyrophosphate positive electrode material as well as a preparation method and application thereof, and belongs to the technical field of positive electrode materials. The complex-phase phosphoric acid and sodium ferric pyrophosphate positive electrode material has the following chemical formula: xNa4Fe3 (PO4) 2 (P2O7). (1-x) Na3. 12Fe2. 44 (P2O7) 2 / C, C is a carbon coating layer, and the content of the C is 8-10 wt% of the total mass of the composite-phase phosphoric acid and sodium ferric pyrophosphate positive electrode material; xNa4Fe3 (PO4) 2 (P2O7). (1-x) Na3.12Fe2.44 (P2O7) 2 is a core layer, and x is greater than or equal to 0.76 and less than or equal to 0.88. Under the condition that transition metal elements are not added for doping, the electrochemical performance of the complex-phase ferric sodium phosphate pyrophosphate positive electrode material can be obviously improved by regulating and controlling the ratio of positive ions to negative ions of original components of ferric sodium phosphate pyrophosphate, and the complex-phase ferric sodium phosphate pyrophosphate positive electrode material is low in cost, simple to prepare and suitable for large-scale production and application.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Pyrophosphate ferric phosphate sodium positive electrode material and preparation method and application thereof

The invention belongs to the technical field of sodium ion batteries, and particularly relates to a sodium ferric pyrophosphate positive electrode material as well as a preparation method and application thereof. The invention provides a preparation method of a sodium ferric pyrophosphate positive electrode material, which comprises the following steps: (1) mixing an iron source, a sodium source, a phosphorus source and citric acid for the first time, and performing spray drying for the first time to prepare a first precursor with D50 of 10-12 [mu] m; performing secondary mixing on an iron source, a sodium source, a phosphorus source and citric acid, and performing secondary spray drying to prepare a second precursor with D50 of 3-5 microns; the iron source comprises a first iron source with D50 of 1.1-1.8 [mu] m and a second iron source with D50 of 0.3-0.8 [mu] m; the mass ratio of the first iron source to the second iron source is (0.3-0.5): (0.5-0.7); and (2) mixing the first precursor, the second precursor and sodium metaborate, and sintering to obtain the sodium ferric pyrophosphate positive electrode material. After the prepared pyrophosphate ferric phosphate sodium positive electrode material is prepared into a pole piece, the compaction density is proper, and the prepared battery is high in specific capacity and cycle performance.
Owner:GEM WUXI ENERGY MATERIAL CO LTD

Doped carbon material coated sodium ferric pyrophosphate positive electrode material and preparation method thereof

The invention relates to a preparation method of a doped carbon material coated sodium ferric pyrophosphate positive electrode material, which comprises the following steps: S1, mixing a sodium source, an iron source, a phosphorus source, a carbon source and a dispersing agent which are respectively weighed according to a stoichiometric ratio to obtain a premix; wherein the molar ratio of sodium to iron to phosphorus in the sodium source, the iron source and the phosphorus source is 4: 3: 4; adding water of which the mass is 3-5 times that of the premix into the premix, and stirring and dispersing to obtain dispersion liquid; s2, transferring the dispersion liquid into a sand mill, and sanding until the granularity of solid particles is 0.1-0.8 mu m, so as to obtain slurry; and S3, carrying out spray drying on the slurry, and sintering powder generated by spray drying in an inert atmosphere furnace to obtain the doped carbon material coated ferric sodium pyrophosphate positive electrode material. The dispersing agent is introduced into the sanding slurry, so that the sanding efficiency can be improved, and the dispersity and uniformity of the material can be improved; and meanwhile, a boron-containing dispersing agent and a nitrogen-containing carbon source are used for realizing co-doping on a product carbon layer, so that the electrochemical performance of the material is improved. The invention can effectively improve the discharge capacity and cycle life of the sodium battery.
Owner:HUNAN XIANNA TECH CO LTD

Composite sodium ferric sulfate positive electrode material, sodium ion battery and preparation method

The invention relates to the technical field of sodium ion battery positive electrode materials, in particular to a composite sodium ferric sulfate positive electrode material, a sodium ion battery and a preparation method. The preparation method comprises the following steps: preparing a group IIIA metal doped composite sodium ferric sulfate precursor; mixing with a solution containing a sodium source, an iron source and a phosphorus source; and performing staged heat treatment under a protective atmosphere to form a pyrophosphate ferric phosphate sodium coating layer. The particle size D50 of the composite sodium ferric sulfate positive electrode material is 3-5 [mu] m, and the composite sodium ferric sulfate positive electrode material can inhibit iron dissolution and enhance structural stability through bulk phase doping and surface coating cooperation, can prolong the cycle life of a battery and reduce gas production, and is suitable for a high-performance sodium ion battery.
Owner:XIAOGAN CORNEX NEW ENERGY INNOVATION TECHNOLOGY CO LTD

Iron-rich nutritional soft sweets for improving iron-deficiency anemia and preparation method of iron-rich nutritional soft sweets

The invention relates to the technical field of soft sweets, in particular to iron-rich nutritional soft sweets for improving iron-deficiency anemia and a preparation method of the iron-rich nutritional soft sweets. The iron-rich nutritional soft sweets capable of improving iron-deficiency anemia are prepared from the following raw materials in parts by weight: 12 to 18 parts of ferric pyrophosphate, 1.5 to 5 parts of vitamin C, 65 to 83 parts of gel, 3.5 to 7 parts of stevioside, 105 to 170 parts of white granulated sugar, 40 to 65 parts of maltitol, 20 to 50 parts of isomaltooligosacharide, 1 to 1.5 parts of beta-cyclodextrin, 30 to 50 parts of acidulant, 100 to 160 parts of fruit juice and 0.01 to 0.05 part of maltol. The prepared soft sweets are good in taste, proper in sweetness, relatively good in viscosity, good in chewiness and stable in quality, and iron-deficiency anemia can be effectively improved.
Owner:HANGZHOU XIAOQUN NETWORK TECH CO LTD

Method for preparing ferric sodium pyrophosphate material based on regulation and control of valence state of iron source

The method comprises the following steps: mixing a zero-valent iron source, a + 2-valent iron source, a carbon source and a solvent, and carrying out a reaction so as to obtain a solution A; adding a sodium source and a phosphorus source into the solution A, and reacting to obtain a solution B; adding a dispersing agent into the solution B, and reacting to obtain a solution C; stirring the solution C to a gel state, and drying to obtain a precursor; and carrying out ball milling treatment on the precursor, pre-sintering at a low temperature under a protective atmosphere, and sintering at a high temperature to obtain the sodium ferric pyrophosphate material. According to the invention, a 0-valent iron source and a + 2-valent iron source are adopted, the valence state of the precursor iron source is regulated and controlled, and the high-purity ferric sodium pyrophosphate positive electrode material is synthesized under a standard stoichiometric ratio, and has a good crystallographic structure and excellent electrochemical performance; meanwhile, the material has the characteristics of low cost, simple preparation and easy large-scale production, and has a relatively good application prospect in the field of electrochemical energy storage.
Owner:SUZHOU UNIV

Sodium ion positive electrode material and preparation method and application thereof

The invention provides a sodium ion positive electrode material and a preparation method and application, and belongs to the field of sodium ion batteries, the sodium ion positive electrode material comprises an inner core and a coating layer coating the inner core, the inner core is ferric sodium phosphate pyrophosphate, the coating layer is a carbon coating layer, the carbon coating layer comprises an organic carbon source, an inorganic carbon source and MXene, and the organic carbon source and the inorganic carbon source are mutually connected. And the thickness of the carbon coating layer is 0.2 [mu] m-0. 4 [mu] m. In the carbon coating layer, inorganic and organic carbon are compounded and MXene is doped, and meanwhile, the thickness of the carbon coating layer is controlled, so that the compaction density, the conductivity and the structural stability of the sodium ion positive electrode material are favorably improved, and the rate capability and the cycling stability of the sodium ion positive electrode material are further improved.
Owner:HUBEI WANRUN NEW ENERGY TECH CO LTD

A composition that helps improve sleep and its application in infant formula.

This invention discloses a composition that helps improve sleep and its application in infant formula. The composition comprises plant fermentation products, theanine, magnesium oxide, milk mineral salts, ferric pyrophosphate, vitamin B6, vitamin C, and vitamin D3. The plant fermentation products are obtained by fermenting licorice powder, jujube seed powder, poria cocos powder, angelica powder, and hawthorn powder with *Lactobacillus helveticus* and *Lactobacillus rhamnosus*, followed by sterilization, filtration, concentration, and freeze-drying. This invention employs multi-strain mixed fermentation, and the synergistic effect between different microorganisms can effectively increase the concentration of natural active substances in the extract. The resulting plant fermentation products can effectively enhance the sleep-improving effect of the composition.
Owner:GUANGZHOU MEISULI NUTRIMENT CO LTD

A sodium ferric pyrophosphate positive electrode material and a preparation method thereof

The application discloses a sodium pyrophosphate iron phosphate positive electrode material and a preparation method thereof, and belongs to the technical field of synthesis of sodium ion battery positive electrode materials. 3.6 Fe 2.6 (PO4) 1.6 P2O7; the preparation method of the sodium pyrophosphate iron phosphate positive electrode material comprises the following steps: S1, dissolving a soluble chemical composition containing an iron source, a sodium source, a phosphorus source and a carbon source in deionized water to form a precursor solution, and stirring until uniform; S2, adding the precursor solution into 1-4 times the volume of a strong water-absorbing organic solvent, fully stirring to precipitate the precursor, and then performing reduced-pressure filtration to obtain a precursor with uniform element distribution; and S3, performing high-temperature sintering on the precursor to obtain the sodium pyrophosphate iron phosphate positive electrode material. The application greatly simplifies the preparation process of the sodium pyrophosphate iron phosphate material, and also ensures that the sodium pyrophosphate iron phosphate material has excellent electrochemical performance, and solves the problems of complicated production process, high energy consumption and poor optimization of impurity phases in the prior art.
Owner:SOUTHWEAT UNIV OF SCI & TECH

Preparation method of polyanion positive electrode material sodium ferric pyrophosphate NFPP without physical sanding process

The invention discloses a preparation method of a polyanion positive electrode material ferric sodium pyrophosphate (NFPP, chemical formula: Na4Fe3 (PO4) 2P2O7) without a physical sanding process, and relates to the technical field of synthesis of inorganic functional materials. According to the method, dependence of a traditional process on physical sanding is broken through, common industrial raw materials are adopted, an iron source is limited to be a mixed system of water-insoluble iron phosphate and ferrous oxalate (the molar ratio is 1: (0.005-0.5)), and the water-insoluble iron phosphate and the ferrous oxalate form a specific proportion and can generate a synergistic effect in a solution to accelerate reaction and dissolution; the molar ratio of sodium to iron to phosphorus is accurately controlled to be (4-4.04): (2.9-3): 4, the self-adaption of pH and raw material ratio (the pH is stabilized at 4-6) is synergistically realized by utilizing the characteristics of the raw materials, and the particle refining and dispersing effects of sanding are replaced by combining chemical complexing, step-by-step feeding and multi-parameter coordinated regulation. The process is highly compatible with an existing mass production process, rapid adaptation can be achieved without modifying a production line, the investment and energy consumption of sanding equipment are omitted, the energy consumption of a unit product is reduced by about 20%, and the comprehensive production cost is reduced by 10% or above; the product is pure-phase NFPP, the particle size D50 is 2-10 microns, the first specific discharge capacity is greater than or equal to 105mAh / g, the capacity retention rate after 500 cycles is greater than 95%, and the product is suitable for the fields of energy storage batteries, power batteries and the like and has huge industrial potential.
Owner:许艳华

Preparation method of Mn and Ni co-doped non-stoichiometric sodium iron pyrophosphate and its application in sodium ion batteries

The present invention discloses a preparation method of Mn, Ni co-doped non-stoichiometric sodium iron pyrophosphate and its application in sodium ion batteries. The Mn, Ni co-doped non-stoichiometric sodium iron pyrophosphate [Na 3.12 Fe 2.44‑x Mn x / 2 Ni x / 2 (P2O7)2, X = 0.01 - 1] material prepared by the present invention has enhanced capacity because Mn ions have a high redox valence state and electrochemical activity, and after partially replacing iron ions in the crystal material, while Ni ions can partially replace iron ions in the crystal material and replace part of the position of Mn ions in the crystal structure to improve the structural stability and keep Mn ions in a higher valence state to suppress the Jahn-Teller effect brought by them, thereby enhancing its cycle life.
Owner:HEFEI UNIV OF TECH

Double-jujube ginger powder multivitamin tablet

The invention discloses a double-jujube ginger powder multivitamin tablet. The feed additive comprises the following components in parts by weight: 30-45 parts of soybean protein isolate, 10-20 parts of ginger powder, 8-15 parts of sea-buckthorn powder, 8-15 parts of jujube powder, 9-16 parts of elaeagnus angustifolia powder, 5-10 parts of ancient brown sugar, 2-5 parts of perilla leaf powder, 1-5 parts of orange peel powder, 1-3 parts of clove powder, 1-4 parts of resistant dextrin, 2-5 parts of maltodextrin, 1-6 parts of ferric pyrophosphate, 1-2 parts of vitamin A and 1-2 parts of vitamin C. The composition comprises, by weight, 3 parts of vitamin D, 3-12 parts of vitamin B, 1-2 parts of folic acid and 2-6 parts of a compound colorant. According to the invention, the double-jujube ginger powder multivitamin tablet is researched and developed on the basis of the pathogenesis cognition of the traditional Chinese medicine pernicious vomiting of the traditional Chinese medicine and the theory of homology of medicine and food, and is innovatively combined with sea-buckthorn, jujube, elaeagnus angustifolia, ginger, multivitamin and mineral substances, so that the safe nutritional supplement tablet which helps to solve the vomiting during pregnancy and is suitable for women during pregnancy is provided.
Owner:GUANGZHOU TONGXIANGTANG PHARM CO LTD

Preparation method of ball cactus-shaped sodium ion battery positive electrode material

The invention belongs to the field of sodium ion positive electrode materials, and relates to a preparation method of a ball cactus-shaped sodium ion battery positive electrode material, which comprises the following steps: S1, carrying out wet grinding on a mixture of a sodium source, an iron source, a phosphorus source, gelatin and a carbon nanotube to obtain slurry; s2, carrying out spray drying treatment on the slurry to obtain precursor powder; and S3, calcining the precursor powder in one step in an oxygen-free environment to obtain the ball cactus-shaped sodium ferric pyrophosphate positive electrode material coated with the nitrogen-doped carbon material on the surface. The ball cactus-shaped sodium ferric pyrophosphate positive electrode material coated with the nitrogen-doped carbon material on the surface is obtained through wet grinding, spray drying and one-step calcination treatment. The ball cactus-shaped morphology can significantly increase the specific surface area, interlayer spacing and porosity of the positive electrode material, increases the contact area between the positive electrode material and an electrolyte, and can realize comprehensive improvement of conductivity, capacity, low-temperature performance, cycle performance and high-rate performance.
Owner:HUNAN XIANNA TECH CO LTD

Plant protein solid beverage and preparation method thereof

The invention relates to the technical field of development of novel food sources, in particular to a vegetable protein solid beverage and a preparation method thereof. The vegetable protein solid beverage consists of the following raw materials in percentage by mass: 50-70 parts of soybean protein isolate, 10-20 parts of isomaltooligosaccharide, 5-10 parts of red bean powder, 5-10 parts of black bean powder, 5-10 parts of corn flour, 5-10 parts of oat flour, 3-8 parts of soybean peptide powder, 2-5 parts of xylooligosaccharide, 2-5 parts of radix polygonati officinalis powder, 2-5 parts of skim milk powder, 1-3 parts of hericium erinaceus powder, 1-3 parts of inulin and 0.5-2 parts of calcium carbonate. The feed additive comprises the following components in parts by weight: 0.1-0.5 part of ferric pyrophosphate, 0.01-0.05 part of beta-carotene and 0.01-0.05 part of ethyl maltol The invention focuses on vegetable protein compounding optimization and precise preparation, selects soybean protein isolate and a plurality of medicinal and edible plant raw materials, and combines scientific proportioning and fine process, so as to break through the limitation of traditional products, develop the vegetable protein solid beverage which is comprehensive in nutrition, fine and smooth in taste, good in stability and suitable for special crowds, and fill the blank of the market subdivision field.
Owner:上海和袖生物科技有限公司

Preparation method of ferric sodium pyrophosphate positive electrode material for sodium ions

The invention discloses a preparation method of a sodium ferric pyrophosphate positive electrode material for sodium ions, and relates to the technical field of new energy storage, and the preparation method comprises the following steps: proportioning: proportioning four elements of Na, Fe, P and C according to a ratio of 4: 2.92: 4: 0.97; dissolving: weighing a plurality of ingredients as reaction raw materials, dissolving the raw materials in 100L of absolute ethyl alcohol, and stirring to obtain a turbid liquid A; carrying out ball milling, transferring the obtained turbid liquid A into a ball mill, setting the ball-to-material ratio of grinding to be 1: 8, and carrying out ball milling to obtain turbid liquid B; drying, transferring the obtained turbid liquid B into a drying oven, and drying to obtain a precursor; the preparation method comprises the following steps: mixing raw materials, sintering, sintering the obtained precursor in a nitrogen atmosphere furnace by adopting a two-step sintering method to obtain a carbon-coated product, cooling, sieving and the like, by means of optimizing the raw material ratio, introducing crystal defects, controlling reaction conditions and the like, generation of impure phases during synthesis is reduced, and preparation of high-purity ferric sodium pyrophosphate is realized.
Owner:JIANGXI JINLI TECH CO LTD

A dual-site doped iron-based phosphate composite material and its preparation method and application

The present invention relates to a dual-site doped iron-based phosphate composite material, the composite material comprising a core body and a coating layer, the molecular formula of the core body is: Na 4‑n B n Fe 3‑m A m (PO4)2P2O7; A and B satisfy the following relationship: d = m / 2 + n, where 0
Owner:SHENZHEN JINGONG ENERGY CO LTD

Modified ferric sodium pyrophosphate positive electrode material as well as preparation method and application thereof

The invention relates to the technical field of sodium ion batteries, in particular to a modified ferric sodium pyrophosphate positive electrode material as well as a preparation method and application thereof. The preparation method comprises the following steps: (1) reacting an oxalic acid source, an iron source and a manganese source in an aqueous solution to obtain an iron manganese oxalate intermediate; and (2) uniformly mixing the ferric manganese oxalate intermediate with sodium phosphate, sodium pyrophosphate and a reducing agent, heating to obtain a gelatinous solid, drying and sintering to obtain the modified ferric sodium phosphate pyrophosphate positive electrode material. The nucleation and growth rate of particles in the precipitation process is regulated and controlled through manganese ions by adopting a coprecipitation method, so that the particles are more tightly stacked, the compaction density of the product is effectively improved, meanwhile, the conductivity and the structural stability of the ferric sodium pyrophosphate can be effectively improved through manganese doping, and the performance of the ferric sodium pyrophosphate is improved. Therefore, the prepared modified sodium ferric pyrophosphate positive electrode material has relatively high discharge platform voltage and energy density, and excellent rate capability and cycle performance.
Owner:BEI JING XI BEI DONG LI KE JI YOU XIAN GONG SI

A hydrothermal preparation process of pyrophosphoric ferric phosphate

PendingCN122324782ACarbon coatingPhosphate
This invention discloses a hydrothermal preparation process for sodium ferric pyrophosphate, comprising the following steps: S1, preparation of precursor mixed solution: weigh sodium source, iron source, phosphorus source, and pyrophosphate source according to stoichiometric ratio, add complexing agent and pH buffer, and stir evenly to obtain precursor mixed solution A; S2, complexation and stabilization treatment of pyrophosphate: add complexing agent B to precursor mixed solution A to form a stable pyrophosphate complex, obtaining precursor solution B; S3, hydrothermal reaction: after hydrothermal reaction, naturally cool to obtain hydrothermal product; S4, post-treatment: centrifuge, wash, and dry the hydrothermal product to obtain sodium ferric pyrophosphate precursor powder; S5, carbon coating and calcination: calcine the sodium ferric pyrophosphate precursor powder and carbon source at wet high temperature to obtain carbon-coated sodium ferric pyrophosphate material. This invention features high crystallinity, high compaction density, strong process feasibility, and excellent comprehensive performance.
Owner:SHENZHEN JANAENERGY TECH CO LTD

Sugar-free soft sweets containing mineral substances and preparation process thereof

According to the sugar-free soft sweets containing the mineral substances and the making technology of the sugar-free soft sweets, high-acyl gellan gum, kappa-type carrageenan and konjac glucomannan are used as a ternary gel system, erythritol and stevioside are used as a sweet system, the mineral substances such as calcium citrate, zinc glycinate, ferric pyrophosphate and magnesium L-threonate are scientifically added, and the sugar-free soft sweets containing the mineral substances are made into the sugar-free soft sweets containing the mineral substances and the making technology of the sugar-free soft sweets containing the mineral substances. And stable existence of minerals is realized through pH buffering and a low-temperature process. The product does not contain cane sugar, has GI of 0, tastes elastic, is rich in calcium, iron, zinc and magnesium, and is suitable for diabetics and crowds needing mineral supplement. The preparation process adopts low-temperature pouring-cooling molding, needs no sugar boiling and low-temperature sol dissolving, and is low in energy consumption and suitable for industrial production. The sugar-free soft sweets solve the problems that existing sugar-free soft sweets are poor in mineral stability, poor in taste, single in nutrition and the like, meet the consumption requirements of special-demand groups and have good market prospects.
Owner:GUANGZHOU YITIJIAN BIOENG CO LTD

Helicobacter pylori culture medium, culture method and application thereof

The invention provides a helicobacter pylori culture medium, a culture method and application thereof, and relates to the technical field of microbiological culture.The helicobacter pylori culture medium comprises a basic culture medium and antibiotics, and when the basic culture medium is a brain heart infusion agar culture medium, the basic culture medium is a solid culture medium and is used for activation by adding defiberized sheep blood or goat serum; when the basic culture medium is a Brinell broth culture medium, the basic culture medium is a liquid culture medium, essential amino acid is provided by adding L-cysteine, and the basic culture medium is used as a reducing agent, so that enrichment culture of anaerobic bacteria is facilitated. Meanwhile, ferric pyrophosphate, L-cysteine and antibiotics are combined for use, so that rapid growth of the helicobacter pylori is promoted, pollution caused by infectious microbes is effectively reduced, and a more stable growth environment is provided for the helicobacter pylori; data show that when the culture medium is used for culturing helicobacter pylori, compared with a traditional solid culture method, the yield of collected wet thalli is increased by nearly three times, and the high survival rate can be kept while high-speed multiplication culture of helicobacter pylori can be achieved.
Owner:杭州华葵金配生物科技有限公司

Use of iron-containing substances

The invention discloses application of an iron-containing substance. The invention finds that the iron-containing substance can be used for preparing the medicine for treating leucopenia and / or thrombocytopenia; the iron-containing substance is selected from myoglobin and a derivative thereof, hemoglobin and a derivative thereof, ferrous sulfate, ferrous fumarate, ferrous gluconate, a polyferose compound, ferrous succinate, iron amino acid chelate, heme, heme iron polypeptide, ferric hydroxide polymaltose, ferrous lactate, ferric pyrophosphate and iron dextran; and one or more of iron hydroxymaltose. The iron-containing substance can effectively increase the number of leukocytes and / or platelets.
Owner:NORTHWEST UNIV

High-stability ferric sodium pyrophosphate composite material as well as preparation method and application thereof

The invention relates to the field of batteries, in particular to a high-stability ferric sodium pyrophosphate composite material as well as a preparation method and application thereof. The preparation method comprises the following steps: S1, dispersing a sodium source, an iron source, a phosphorus source, an organic carbon source, a conductive agent and a metal ion additive in deionized water, adding an ethylene glycol dispersant, uniformly stirring, and evaporating water to prepare a precursor; s2, grinding the precursor, adding an inorganic carbon source, grinding again, and sequentially carrying out pre-sintering treatment and anion fluorine doping treatment; and S3, adding an oxide solid electrolyte material, grinding until the material is uniformly dispersed, and sequentially carrying out tabletting treatment and high-temperature sintering treatment to obtain the sodium ferric pyrophosphate composite material.
Owner:SHUANGDENG GRP CO LTD +1

Solid beverage for increasing lactation yield in lactation period

The invention discloses a solid beverage for increasing lactation yield in a lactation period. A formula of the solid beverage comprises the following raw materials: anhydrous dextrose, maltodextrin, fennel powder, illicium verum powder, alfalfa leaf powder, ferric pyrophosphate, zinc citrate and vitamin B12. The fennel powder, the illicium verum powder and the clover leaf powder are used for stimulating prolactin secretion of puerperae, anhydrous dextrose, maltodextrin, ferric pyrophosphate, zinc citrate and vitamin B12 can enrich the taste of the beverage, and meanwhile, energy and trace elements required by daily life are provided for the puerperae, so that the product better conforms to the taste of the puerperae, the appetite of the puerperae is improved, and the health care effect of the puerperae is improved. The lactation condition of the puerpera is comprehensively improved.
Owner:应奇君

Forming device for realizing efficient sintering of composite ferric sodium pyrophosphate material

The utility model discloses a material forming device for realizing efficient sintering of a composite ferric sodium pyrophosphate material. The material forming device comprises a conveying mechanism, a charging mechanism, a flattening mechanism, a punching mechanism and a graphite sagger, the graphite saggar is used for containing a material of a composite ferric sodium pyrophosphate material; the conveying mechanism is used for conveying the graphite saggar; the graphite saggar is of a groove type structure, and the groove bottom is divided into a plurality of material containing areas through crossed graphite partition plates. The punching mechanism is provided with a plurality of conical punching dies extending downwards, the punching dies are matched with the material containing areas in number and position direction, and the punching dies are used for punching the materials placed in the material containing areas. According to the utility model, the characteristic that graphite is easy to transfer heat is utilized, and the graphite sagger with the graphite partition plates additionally arranged in the sagger is combined with the conical punching device, so that the material heating area is increased, and the composite ferric sodium pyrophosphate material is efficiently sintered under the low-temperature condition.
Owner:SHANGHAI PUNA ENERGY TECH CO LTD

Multi-nutrient protein powder and production process thereof

The invention belongs to the field of food for special diets, and particularly relates to protein powder with multiple nutrients. Comprising 550 to 600 parts of concentrated whey protein powder, 250 to 300 parts of separated whey protein powder, 80 to 120 parts of hydrolyzed whey protein powder, 30 to 50 parts of calcium hydrogen phosphate, 4 to 6 parts of magnesium oxide, 1 to 1.5 parts of ferric pyrophosphate, 0.5 to 2 parts of zinc lactate, 0.02 to 0.035 part of vitamin B1, 0.02 to 0.035 part of vitamin B2, 0.02 to 0.035 part of vitamin B6, 0.005 to 0.006 part of a 1% vitamin B12 dilution product, 1 to 2 parts of vitamin C, 0.06 to 0.07 part of a compound nutrition enhancer and 0.3 to 0.45 part of nicotinamide. The composition comprises the following components in parts by weight: 0.5-2 parts of vitamin E acetate dry powder, 0.08-0.15 part of D-calcium pantothenate, 7-9 parts of taurine, 2-3 parts of edible essence and 0.004-0.006 part of folic acid. According to the present invention, with the protein powder, the requirement of the body on the protein can be met only through the small intake, the operation process of the protein supplement is simplified, such that the common healthy population, the exercise body builder, the specific population requiring the nutrition support, such as the postoperative recovery period, the old and the like can easily enhance the nutrition through the protein powder without worrying about the health cost; the use safety and convenience of the protein powder are obviously improved.
Owner:HUBEI WEIZHENGHENG BIOTECHNOLOGY CO LTD