7923 results about "Spray dried" patented technology

The invention discloses a special biological fish fertilizer and a preparation method for the fertilizer used in aquiculture; wherein, the biological fish fertilizer mainly comprises raw materials as follows: microbiological preparation, inorganic fertilizers, fermentation organics, micro-mineral amino acid chelate, mineral composites, and water quality improver. The preparation method for the special biological fish fertilizer in aquiculture comprises steps as follows: microbiological preparation is produced; fermentation organics is then produced, and the micro-mineral amino acid chelate is produced, eventually the finished products are made. The special biological fish fertilizer has the advantages of limiting the growth and reproduction of the harmful algae, promoting the large-scale growth and reproduction of the suitable food for fish, effectively improving the water quality and purifying the water environment, strengthening the fish immunity, reducing the diseases, reducing cost due to the small use level, convenient use, mild odor, no pollution to the water, and environment protection. By combining the modern bioengineering technique, low-temperature drying technique, spray-drying technique, and super-fine crushing techniques, the preparation method has the advantages of stable quality for the fish fertilizers and lower overall cost.

The invention discloses a silicon graphene composite anode material of a lithium ion battery and a preparation method of the silicon graphene composite anode material. The material consists of the following components in percentage by weight: 10 to 99 percent of silicon powder with the particle size of between 20 nanometers and 5 micrometers, 1 to 90 percent of graphene and 0 to 40 percent of amorphous carbon, wherein the graphene forms a three-dimensional conducting network with an internal cavity, and wraps the silicon powder in the internal cavity to form spherical or sphere-like composite particles with the particle size of between 500 nanometers and 15 micrometers. The preparation method of the material comprises the following steps of: uniformly dispersing the silicon powder and graphene oxide in a solvent; and performing spray drying, reducing, and cladding by using the amorphous carbon. Compared with the prior art, the invention has the advantages that: the material has high capacity and high cycle performance and is subjected to a constant-current charge-discharge test at the current density of 200mA/g, the reversible capacity of the material after 30-times circulation is still 1502mA/g, and the capacity retention rate of the material is up to 98 percent; and the preparation method is simple and practicable, high in yield and suitable for mass industrial production.

The invention relates to microcapsules, and a continuous micro-encapsulation water-in-oil-in-water microencapsulation process through in situ and interfacial polymerization of the emulsion. The formulation comprises a continuous water phase having a dispersion of microcapsules which contain oil drops and wherein the inside of each oil phase drop -containing optionally oil-soluble materials- there is a dispersion of water, or aqueous extract or water dispersible material or water soluble material. The oil drops are encapsulated with a polymerisable material of natural origin. Such microcapsules are appropriated for spray-dry processes, to be used as dry powder, lyophilised, self-emulsifiable powder, gel, cream and any liquid form. The active compounds included in te microcapsules are beneficial to the health and other biological purposes. Such formulations are appropriate to be incorporated in any class of food, specially for the production of nutraceuticals, as well as cosmetic products (such as rejuvenescence creams, anti-wrinkle creams, gels, bath and shower consumable products and sprays). The preparations are adequate to stabilise compounds added to the food, media for cultivating microbes and nutraceuticals, specially those which are easily degradable or oxidizable.

Rebaudioside M compositions with improved aqueous solubility and methods for preparing the same are provided herein. The rebaudioside M compositions include (i) disordered crystalline compositions comprising rebaudioside M and rebaudioside D, (ii) spray-dried compositions comprising rebaudioside M, rebaudioside D and steviol glycoside mixtures and/or rebaudioside B and/or NSF-02, (iii) spray-dried compositions comprising rebaudioside M, rebaudioside D and at least one surfactant, polymer, saponin, carbohydrate, polyol, preservative or a combination thereof. Sweetened compositions, such a beverages, containing the rebaudioside M compositions with improved water solubility are also provided herein.

The invention discloses a preparation method of a silicon and carbon-coated graphene composite cathode material. The technical problem to be solved is to enhance the electronic conductivity of the silicon-based cathode material, buffer the volume effect produced in the process of deintercalation of the lithium in the silicon-based cathode material and enhance the structure stability in the circulation process of the material at the same time. The material is prepared by using a spray drying-thermally decomposing treatment process in the invention. The preparation method comprises the following steps of: evenly dispersing nano silicon and graphite micro powder in a dispersion solution of oxidized graphene, carrying out thermal treatment under an inert protection atmosphere after spray drying, subsequently cooling along a furnace to obtain the silicon and carbon-coated graphene composite cathode material. The extra binder does not need to add in the process of manufacturing balls in the invention and the outer oxidized graphene is thermally reduced in situ to graphene in the thermal treatment process of the composite precursor, so that the process is simple and easy to operate; and the practical degree is high. The prepared composite material has the advantages of great reversible capacity, designable capacity, good cycling performance and high-current discharging performance, high tap density and the like.

The invention discloses a method for processing inapplicable tobacco leaves by musca domestica larvae to prepare a biological protein feed, and belongs to the technical field of environmental protection. The method for processing the inapplicable tobacco leaves by the musca domestica larvae to prepare the biological protein feed comprises the steps of: crushing fresh inapplicable tobacco leaves until the grain size of the crushed leaves is 1-5mm; adding bran, mixture of rice chaff and husk, feather meal and spray-dried animal blood cells to prepare compost; and inoculating housefly eggs at the surface of the compost, cultivating the housefly eggs for 5 days at 25-35 DEG C, collecting the compost containing the musca domestica larvae, drying and preparing the biological protein feed. The method disclosed by the invention is strong in handling capacity, small in floor area, and low in energy consumption in the processing process, achieves the resource utilization of the inapplicable tobacco leaves, changes waste into precious resources, improves the environmental health, simultaneously produces the biologic protein feed, and has a good application prospect.

The invention discloses a method for preparing white carbon black by utilizing silicon tetrachloride. The method comprises the following steps: mixing deionized water and low molecular fatty alcohol at the molar ratio of 1:4-4:4, and adding a proper amount of surfactant; slowly adding a certain amount of the silicon tetrachloride at the room temperature; and obtaining the white carbon black through the steps of preparing reaction solution, curing the reaction solution, sedimentation and abstersion, pulpifying and spray drying, wherein the concentration of the silicon tetrachloride is controlled to be 0.2-1.0 mol.1-1, and modifiers such as 0.01-0.1mol.1-1 of Hexamethyl disilazane and the like can be added in the preparation process of the hydrophobic white carbon black. The grain diameter of the prepared white carbon black is 50-350nm and the specific surface area is 100-300m<2>.g-1; and the method has high economic value and the prepared white carbon black has good hydrophobic effect.

The invention provides preparation and application of a lithium battery silicon-carbon composite material taking synthetic graphite as a carrier. The preparation method comprises the following steps of: dissolving nanometer silicon and synthetic graphite in a dispersant to obtain a uniform dispersion liquid, adding an organic carbon source, stirring uniformly to obtain a mixed liquid, feeding the mixed liquid into a closed circulation spray dryer to prepare composite precursor powder, pre-sintering for 3-10 hours at the temperature of 300-700 DEG C to obtain a silicon-carbon composite material subjected to primary carbon cladding; and further dissolving the silicon-carbon composite material subjected to primary carbon cladding with the organic carbon source in a dispersant, stirring to obtain a uniform mixed liquid, feeding the uniform mixed liquid into a second closed circulation spray dryer to prepare composite powder, and heating the powder for 6-18 hours at the temperature of 700-1000 DEG C, so as to obtain the lithium battery silicon-carbon composite material taking synthetic graphite as a carrier. The lithium battery silicon-carbon composite material prepared by the invention shows such excellent electrochemical properties as high first charge-discharge efficiency, high specific capacity and good cycle performance after being applied to a lithium battery.

Processes for preparing dry extracts from fluid extracts and at least one additional substance by a spray-drying process is effected by adding the additional substance to the spray-drying process in a dry form.

The invention relates to a preparation method of a catalyst for acrylic acid by oxidizing acraldehyde, which is characterized by comprising the following steps of: dispersing water soluble metal salts containing the components of Mo, V, W, Cu and Sb into a water/organic phase mixed system at the temperature of 30-100DEG C; maintaining the weight ratio of an organic solvent to water as 5-50 percent; reacting to generate composite oxide precursor serum; separating water by a distilling process under the condition of continuously supplementing organic phases at the temperature of 20-120DEG C, wherein the water content of distillate is not greater than 10 percent; then, pelleting by a spray drying process and roasting at the temperature of 200-600DEG C to prepare catalyst active components; mixing primary roasting powder, a forming additive and a strength improver; coating the active components on the surface of an inert carrier by using an adhesive, wherein the carrying capacity occupies5-70 percent of the total quantity of the catalyst; drying a formed product for 5-48 hours at room temperature; and then, roasting the formed product for 1-15 hours at the temperature of 200-600DEG Cto obtain a spherical catalyst with the active components carried on the inert carrier.

Spray dried solid dispersions comprising a sparingly soluble drug and hydroxypropylmethylcellulose acetate succinate (HPMCAS) provide increased aqueous solubility and/or biavailability in a use environment.

The invention discloses an extraction and preparation method for micromolecule fishskin collagen peptide, which comprises the following technical steps of: taking the fishskin of freshwater fish as raw material; removing non-collagenous protein; carrying out steps of degreasing, deodorizing, smashing and the like; under the acidic condition, carrying out heating hydrolysis processing to collagenous protein; controlling the degradation degree of the collagenous protein with an enzymolysis method; obtaining a target micromolecule collagen peptide with a membrane separation method; recycling protease, and then carrying out nanofiltration desalting; and after activated carbon binding resin is decolored and deodorized, carrying out spray drying to obtain the colorless and tasteless micromolecule fishskin collagen peptide. The extraction and preparation method disclosed by the invention has a simple technology, the protease is recycled by membrane separation, and therefore the cost is saved. The prepared micromolecule collagen peptide is colorless and tasteless and can be widely applied to industries relevant to the health of the human body, such as health care food, biomedicine, and cosmetics.

Disclosed is a powder natural rubber modified by carbon nanostructured pipe and the preparing method, relating to the field of modifying macromolecular material with CNTs. Said powder natural rubber is characterized in that it possesses carbon nanostructured pipe which is 1%~50% of the glue of natural latex in mass.The method comprises conducting surface treatment forCNTs to make it hydrophilism: mixing it with dispersant and deionized water and getting the CNTs-water slurry; modifying the pH value to 9~12; mixing with natural latex and getting the natural rubber liquid latex added with CNTs. Then preparing modified powder natural rubber containing CNTs with the method of spray-drying, the quantity of input is 5%~30%, the temperature is 100~180DEG C. The prepared powder rubber is characterized by the adequate distribution of the CNTs in the product, the small size, and the dramatically increased mechanics property compared with the traditional powder rubber.

The invention provides a sweet crystal of grosvenor momordica with the type of free sugar and health care and a method thereof, which includes that tetracyclic triterpene water extract is extracted from grosvenor momordicas. The character is that modified starch with certain proportion is added into the tetracyclic triterpene water extract of grosvenor momordica, spray-drying and oven-drying are carried out, then the product is finished after being crushed through 60 mesh sieve. The sweet crystal has the color of light brown, keeps the medicinal function of grosvenor momordica and dissolves in water completely. The solution has good taste and special flavor. After drinking the solution, people do not feel sour in mouth, and the taste of sweet cool can be kept in mouth for a few minutes. The sweet crystal is convenient for use. The added quantity is almost the same as the quantity of the traditional habit.

A preparation method of a carbon coated vanadium sodium phosphate positive electrode material comprises the steps: with glucose as a reducing agent and a carbon source and water as a dispersant, carrying out ball milling of NH4VO3, NaH2PO4.2H2O and glucose in water, carrying out spray drying, calcining, and thus obtaining the carbon coated vanadium sodium phosphate positive electrode material. The method has the advantages of low synthesis temperature, simple steps, easily obtained raw materials, and advantageous industrialization; the obtained carbon coated vanadium sodium phosphate positive electrode material has a structure with uniform primary particles, has the particle size of 100-200 nm, and has the characteristics of short sodium ion diffusion distance, fast transmission speed, high specific surface area, high electrical conductivity and fast ion transmission and the like. The obtained carbon coated vanadium sodium phosphate positive electrode material is assembled into a battery; in a voltage scope of 2.0-3.75 V and under 1 C multiplying power, the highest first charge and discharge capacity per gram can reach 93.5 mAh*g<-1>, the capacity retention rate can be up to 97.7% after cycling for 50 circles with the 1C multiplying power, and excellent electrochemical performance is showed.

The method of producing chitin, astaxanthin, protein, calcium powder and biofertilizer with shrimp shell includes the following technological steps: crushing shrimp shell, enzymolysis with composite enzyme, extracting with organic solvent, reaction and separating liquid from solid; separating the liquid into hydrolysis liquid and organic liquid ; vacuum concentrating the organic liquid to obtain coarse astaxanthin; eliminating organic solvent from hydrolysis liquid, vacuum concentrating and spray drying to obtain protein powder; soaking the solid in 3 % concentration hydrochloric acid and rinsing to obtain chitin; introducing CO2 gas to the waste acid solution and filtering to obtain active calcium powder; ultrafiltering the coarse astaxanthin liquid to obtain astaxanthin; adding phytic acid and active oligose into the effluent to obtain nutritious liquid as biofertilizer.

The invention discloses a formula milk powder for promoting the absorption of fatty acid and calcium and a preparation method thereof. Raw cow milk, lactose, 1,3-Dioleoyl 2-palmitoyl triglyceride and demineralized whey powder as main materials are added with concentrated whey albumen powder, Alpha-lactalbumin powder, oligosaccharide, walnut oil, casein phosphopeptide, docosahexaenoic acid, arachidonic acid, nucleotide, lutein, inositol, carnitine and the like as well as vitamins, mineral substances and other nutrients needed for strengthening infants, and fat humanization, protein humanization and carbohydrate humanization are realized. The powdery product is produced by the processes of blending, homogenization, concentration, spray-drying, packaging and the like. According to the physiological characteristics and nutritional demand of the infants, the invention reinforces the calcium, the 1,3-Dioleoyl 2-palmitoyl triglyceride, other nutrient ingredients and the like, and aiming at the oversea clinical test conclusion of the 1,3-Dioleoyl 2-palmitoyl triglyceride, the final test conclusion of comparison with breast milk and infant formula milk powder sold on the market in the process of a clinical feeding test is that the feeding result of the designed formula approximates the feeding result of the breast milk and is better than the feeding result of an infant formula milk powder group sold on the market.

The object of the present invention is to provide rare-earth system sintered magnets such as R-Fe-B system or R-Co system having excellent magnetic properties, unique configuration of a small size, thin wall thickness and intricate geometry. With the method for preparing the present invention, a granulation of alloy powders can be achieved easily, a chemical reaction between rare-earth system and binder substances can be suppressed, so that the residual oxygen and carbon levels in the sintered products can be reduced. Moreover, by this production method, the flowability and lubricant capability during the forming process can be improved. The dimension accuracy and productivity are also enhanced. A certain type of binder is added to rare-earth alloy powders and kneaded into a slurry state. The slurry is then formed into granulated powders by spray-dryer equipment. The thus granulated powders are molded, and sintered through a powder metallurgy technique.

The invention relates to a method for the spray drying of spherical doped lithium maganate slurry. The method comprises: mixing manganese dioxide, lithium carbonate, doped metal salt and a solution containing a dispersant according to a certain proportion; subjecting the mixture to mechanical mixing to obtain a uniformly mixed slurry; subjecting the uniformly mixed slurry to spray drying to obtain a spherical precursor; and roasting the precursor sectionally to obtain a spherical doped lithium manganate slurry cathode material product. The lithium manganate cathode material for lithium ion batteries has uniform granularity which averagely is 15mu m, uniform spherical shape and good cycle performance. The invention is simple in process, convenient in operation, environmentally friendly and applicable to industrial production.

The invention relates to a method for making a pet food attractant, which takes duck liver and marine fish as a main material, wherein the addition of the duck liver is 50-100%. The method comprises the following steps: mincing the raw material by a mincer, adding a proper amount of water for disinfection, adding protease for enzymatic hydrolysis, adding amino acid and carbohydrate for carrying out maillard reaction after the enzymatic hydrolysis reaction is finished, spray drying to obtain the food attractant specially used for pet, wherein the water content of the finished product is 6-10%.According to the enzymatic hydrolysis method in the invention, the partial protein is degraded to a polypeptide substance which is easy to be absorbd by pet, The specific local flavor food attractant is prepared by controlling the maillard reaction condition and the food attractant product is finally prepared, the food attractant with dark red color has rich meat fragrance, thereby the initiative for ingestion of pet can be enhanced for first time. The food attractant is capable of applying to exploitation of various pet principal food and snacks products.

The invention relates to a compound mushroom flavoring and a preparation method thereof. The main raw materials of the compound mushroom flavoring comprise meadow mushroom powder, straw mushroom powder, sodium glutamate, salt, sugar, maltodextrin, yeast extract, disodium 5'-ribonucleotide and yolk powder. The preparation method of the compound mushroom flavoring comprises the following steps: rinsing, boiling, pulverizing, pulping, homogenizing, concentrating and spray-drying fresh mushrooms, and then, obtaining mushroom powder; adding other raw materials; and carrying out the processes of mixing, granulating, drying and the like to obtain the compound mushroom flavoring. The compound mushroom flavoring has the flavor of the meadow mushroom and the straw mushroom simultaneously by organically mixing the sodium glutamate, the yeast extract, the disodium 5'-ribonucleotide and the mushroom powder, has strong functions of increasing freshness and increasing fragrance and has soft flavor. The cell walls of mushrooms can be broken by the homogenizing action to better release the substances in the cells of the mushrooms, thereby further improving the nutrient value of the product. The sugar is added in the concentration process, thereby further improving and increasing the flavor of the materials. The compound mushroom flavoring is granular and is convenient in use.

The invention is a manufacturing method for quanta point microsphere used as biomedicine fluorescence probe. It belongs to chemical engineering, material and biomedicine field. The invention uses spray and drying method to embeds the quanta point into high molecular material, forms quanta microsphere with particle distribution less than 10 micrometers, the quanta point nanometer particle with different quantity and different fluorescence character is dispersed in the high molecular liquid, then carries on spray and drying, it changes the fluorescence character of the microsphere through changing type of quanta point material, quantity of the quanta point and the color and intensity of the quanta point, controls the particle size and figure of the quanta microsphere through adjusting the condition of spray and drying.

The invention provides a preparation method and an application of an asphalt liquid phase coated modified artificial graphite lithium battery cathode material. The method comprises the steps of mechanically grinding petroleum coke, mixing with an appropriate amount of (3-8%) asphalt powder after stage treatment, performing reaction for 6-10h in a moderate temperature reaction kettle at 500-650 DEG C, performing reshaping stage treatment again, performing reaction for 36-72h at 2400-3000 DEG C for high-temperature graphitization treatment, finally obtaining an unmodified artificial graphite material through stage treatment, then further dissolving the unmodified artificial graphite material and asphalt in a dispersing agent, stirring to obtain uniform mixing liquid, preparing the uniform mixing liquid into composite powder with a closed cycle spray dryer, heating for 1-5h at 700-1100 DEG C, and finally obtaining the asphalt liquid phase coated modified artificial graphite material. After the asphalt liquid phase coated modified artificial graphite prepared by the method is applied to a lithium battery, the artificial graphite shows excellent electrochemical properties such as high first charge-discharge efficiency, high specific capacity and good cycle performance.