299results about How to "Uniform nature" patented technology

The invention relates to an active carbon material, and particularly relates to a method for preparing food hygiene-level active carbon by use of biological waste resource bagasse. The method comprises the steps of collecting and cleaning the residual bagasse after sugar production; sufficiently fermenting at 10-50 DEG C, drying, grinding and sieving; then performing the operation treatment such as soaking in an active agent solution, charring, activation and the like on the pretreated bagasse; washing, drying and grinding to obtain a high-performance active carbon product which can be applied to decoloration, refining and impurity removal of the sugar industry and the fields of foods and medicines such as medicinal crude drugs and the like. According to the method provided by the invention, by adopting the waste bagasse as a raw material, the comprehensive utilization of resources and environmental protection are facilitated; moreover, the price is low, the product quality is high, and the economic and social benefits are good.

The invention discloses a method for preparing a graphene oxide-chitosan composite material. The method includes the steps that a chitosan solution is prepared; secondly, a graphene oxide solution is prepared, a 1-ethyl-(3-dimethylaminopropyl)carbodiimide (EDC) solution is added into the graphene oxide solution during stirring, stirring reaction is conducted after dropwise addition, then an N-hydroxyl succinimide (NHS) solution is dropwise added into the graphene oxide solution, stirring reaction is conducted, and an activated hydroxyl graphene oxide solution is obtained; thirdly, the activated hydroxyl graphene oxide solution is dropwise added into the chitosan solution and stirred, the mixture is poured into a mould after being cooled to room temperature, and the cross-linked graphene oxide-chitosan composite material is obtained after freezing drying. The novel graphene oxide-chitosan composite material having an interface bonding function is provided, compared with non-cross-linked composite materials, mechanical properties of the composite material are greatly improved, and use of the composite material in the aspect of the bone induction technology is achieved.

A reactor and a method of preparing pseudoboehmite by the reactor are disclosed. The reactor comprises a reactor cylinder. A separating plate is disposed in the reactor cylinder to divide the inner cavity of the reactor into two zones along the axial direction. At least two material circulating pipelines are disposed outside the reactor cylinder. A circulated material outlet and a circulated material inlet in each material circulating pipeline are disposed in different zones. The circulated material outlets are at the upper part of the reactor cylinder and the circulated material inlets are at the bottom of the reactor cylinder. In each of the zones, the corresponding lower part of the reactor cylinder is provided with a material feeding port, and the corresponding upper part of the reactor cylinder is provided with an overflow port higher than the corresponding circulated material outlet. Continuous gel forming can be achieved by the reactor. Pseudoboehmite particles prepared by adopting the reactor are uniform in particle size, so that prepared aluminum oxide is large in pore volume, large in pore diameter and centralized in pore distribution, and the prepared aluminum oxide is uniform and constant in properties, and is not influenced by batch production scales.

The invention provides a soil consolidation detector of using weight and air pressure combined loading and a detection method. The soil consolidation detector is suitable for the technical field of property detection of soil and especially suitable for remolded soil consolidation process testing and consolidation process testing of natural soil with relatively high moisture content. The soil consolidation detector comprises a reaction frame, a weight loading device, a weight and air pressure loading conversion device, a sensing measurement device, a consolidation container and an air source pressure controller; after weight loading and forming of a certain settlement amount, upper counter-force is formed through an adjusting nut and a conversion accessory; an air pressure loading device is started to push the consolidation container to ascend to gradually replace a weight load; air pressure is applied to pre-determined consolidation pressure; and the deformations of soil samples in the weight loading process and the air pressure loading process are automatically switched and observed and the soil consolidation quality is recorded and controlled through two groups of sensors on the sensing measurement device. The soil consolidation detector is relatively high in accuracy and convenient to operate; and soil which is uniform in property and high in strength and has different soil consolidation degrees can consolidated under a high load condition.

The invention relates to a method of hydrogenation to improve quality of solvent oil. The invention takes one or more petroleum fractions from petrol, coal oil, diesel oil as raw materials, contactly reacting with hydrogenation catalysis containing ª

The invention discloses a process method and a process system for preparing solid fuel through biomass and sludge. The method comprises the step of mixing biomass dried raw materials with sludge dried raw materials which are aired, ground and dried to obtain the solid fuel, wherein sludge airing energy is one or the combination of any two or three of solar energy, waste gas generated by drying sludge raw materials and high-temperature fume generated by combusting the solid fuel, and sludge raw material drying energy is high-temperature and high-pressure steam generated by combusting the solid fuel. The system comprises a raw material treatment system, a molding system and a boiler system, wherein the raw material treatment system and the boiler system transfer heat energy to each other through first, second and third gas delivery pipelines. According to the method, the cost is low, the effect is good, environmental protection is realized and the solid fuel is suitable for large-scale production. The system is resource-saving and stable to operate.

The invention discloses a catalyst for preparing aromatic hydrocarbons through directed conversion of CO2, and relates to the technical field of catalytic hydrogenation. Metal oxide is adopted as a core, and a a molecular sieve is adopted as a shell so as to obtain the core-shell structure catalyst, wherein the metal ion center of the metal organic compound is one or more of Zn<2+>, Zr<2+>, Fe<3+>, Co<2+>, Ni<2+>, Cu<2+>, Cr<3+> and Mn<2+>, and the molecular sieve is one or more of ZSM-5, MCM-41, SAPO, MCM-22, USY and SBA-15. The catalyst for preparing aromatic hydrocarbons through directed conversion of CO2 has the characteristics of a uniform structure, uniform properties and precise regulation, the preparation process has simple procedures and high repeatability, and the prepared catalyst has the advantages of high conversion rate of CO2, high selectivity to aromatic hydrocarbons, a long service life, a wide application range and the like; and the prepared catalyst can be directly applied to preparation of aromatic hydrocarbons through directed conversion of CO2, and has an industrial value.

The invention relates to a suspension roasting manganese and iron treatment method of iron-contained manganese ore, and belongs to the technical field of mineral processing. The method includes the following steps that (1) the iron-contained manganese ore is crushed to be subject to ore grinding; (2) first-section low-intensity magnetic separation is carried out; (3) first-section low-intensity magnetic separation gangue is placed into a roasting furnace, gas and air are led in, and the first-section low-intensity magnetic separation gangue is subject to oxidizing roasting; (4) a reduction roasting furnace is adopted, and oxidization powder ore is placed into the reduction roasting furnace to be subject to reduction roasting; (5) roasted ore is subject to second-section low-intensity magnetic separation; and (6) first-section low-intensity magnetic concentrate and second-section low-intensity magnetic concentrate are merged to serve as an iron ore concentrate finished product. The suspension roasting manganese and iron treatment method is simple in technological process, large in equipment treatment amount, easy in product character control, capable of achieving industrialized application, capable of achieving energy conservation and environmental protection and capable of easily achieving large scale.

The invention relates to a solidification method for forming hard shell layer rapidly on storage yard, used in the rapid foundation treatment to the large amount of dredged mud storage yard generated in hydraulic and water environment treatment, and harbor and navigation channel construction. The invention comprises the following steps: a) mixing the mud and solidification material and stirring, and laying the mixture on the surface of the storage yard; b) after the solidified mud is hardened, the constructor walks onto the hard shell layer carrying machines to lay the mixture forwards on until the whole storage yard is completed. Aiming to the problems that: the hydraulic filled mud with high water content has a low strength, the constructors and machines can not enter, and the foundation reinforcing treatment has to be postponed for a long time, the invention provides the method capable of forming an artificial hard shell layer on the surface of hydraulic filled mud in a short time after hydraulic filling; provides a manmade construction platform for constructors and machines, thereby shortens the total storage yard foundation treatment time.

The invention discloses a method for preparing solid forming fuel with pig manure as raw material. The method comprises the steps as follows: firstly, drying the pig manure to enable the moisture content of the pig manure to be reduced to 10%-25%, then crushing the pig manure and adding the additive capable of desulfuration, deodorization and mold prevention via 2%-5% dry basis quality of the pig manure so as to form the dried pig manure raw material; uniformly mixing and stirring 20%-100% of the dried pig manure raw material, 0%-80% of biomass and 0%-20% of coal by dry weight to obtain the raw material mixture, and then utilizing forming machine to perform hot-pressing formation, so as to obtain the solid forming fuel. The method has the characteristics of simplicity, convenience, feasibility, energy conservation and environmental protection, high treatment efficiency, low production cost, and high convenience for large-scale industrialized production, and the solid forming fuel has no odor, is not easy to mildew, is convenient in transportation and storage and high in combustion efficiency and has fewer secondary pollutant emissions. Therefore, harmless treatment and resource utilization of the pig manure are realized, and the problem about treatment and disposal of the excessive pig manure can be effectively solved.

The invention provides a luminescent rare-earth metal complex, and a preparation method and application thereof. The luminescent rare-earth metal complex is a supramolecular complex which irradiates bright red, green, or blue light and is formed through complexation of rare earth metal ions Eu<3+>, Tb<3+>, Ce<3+> with tripodal ligand respectively. The invention also discloses the preparation method for the rare-earth metal complex, wherein an NTB ligand is dissolved in ethanol, ethanol solution of the rare earth salt is slowly added, and the mixture is put still, filtered, rinsed, and dried to obtain the luminescent rare-earth metal complex. The invention also discloses the application of the rare-earth metal complex to the preparation method of adjustable luminescent nanometer film on the basis of red, green, and blue rare-earth metal complexes. The nanometer film produced with the method is characterized in high adjustability of luminescence, high brightness, high thermal stability and so on, and has wide application prospect.

The invention belongs to the technical field of equipment coating, and particularly relates to wear-resistant high-temperature resistant coating having high adhesive force. The coating includes silicone resin, a high-temperature resistant filler, aluminum paste, inorganic pigment, a film forming agent, nanometer zirconia ceramic micropowder, a curing agent and a solvent. The high-temperature resistant filler of the coating is quartz powder, mica powder or talcum powder, and the fineness of the filler is 700-800 meshes. The solvent is one of butyl acetate, xylene and n-butanol. The coating has uniform properties. An obtained coating layer of the coating is smooth, fine and good in adhesive force. The coating has excellent high-temperature resistance, good impact resistance, god wear resistance and good corrosion resistance. The coating is particularly suitable for surface protection of high-temperature motors, high-temperature electric resistance furnaces, and other devices.

The invention belongs to the technical field of asphalt, and discloses a modified biological asphalt material, a preparation method thereof and an application of the material. The modified biologicalasphalt material comprises, by weight, 30-78 parts of biological asphalt, 10-15 parts of modified agents, 0.2-0.6 part of mineral fibers, 1-3 parts of stabilizing agents and 10-25 parts of solvents. According to the modified biological asphalt material, special modified agents are selected, softening points and viscosity of the biological asphalt are improved, high-temperature stability of the biological asphalt is improved, mineral fibers have excellent performances of high strength, corrosion resistance and high-temperature resistance and the like, and deformation resistance of the biological asphalt is improved by the mineral fibers. According to the modified biological asphalt material, the biological asphalt is modified by adding the modified agents, the mineral fibers and the stabilizing agents, and high-temperature stability, low-temperature stability and deformation resistance of the biological asphalt are improved, so that the prepared modified biological asphalt material hasgood bearing capacity, deformation recovery capacity and high-temperature rut resistance.

The invention relates to a preparation method of an antisepsis and antimildew agent. The preparation method is that: polysaccharid water solubility adhesive agent is dissolved in an acid solution and then nanometer titanium dioxide is added into the acid solution, each one gram of the adhesive agent is added with 0.01 to 10 grams of the nanometer titanium dioxide, at last the mixed agent is added with an organic cross-linking agent to make the antisepsis anti mildew agent, each one gram of the adhesive agent is added with 0.1 to 100 ml of the organic cross-linking agent, during the preparing process of the invention, the antisepsis and antimildew agent can be added with cellulosic latex, metallic ions and high molecule sterilization auxiliary agent etc., which results in synergistic effects of a plurality of bactericidal agents, in addition, dried and formed into film, the invention which is coated on the surfaces of articles has antisepsis and mildew proof effects. Within two hours after using the invention, the sterilizing rate is more than 90 percent, the sterilizing rate is nearly 100 percent within four hours, and the sterilizing rate can be maintained more than 90 percent within twenty-four hours, resulting from time efficiency of the invention.

The invention discloses an alumina carrier and its preparation method. The alumina carrier is prepared in a loop reactor by a carbonization method. The preparation method comprises: placing a reaction material in the loop reactor, then jetting a mixed gas of air and/or an inert gas and CO2 into the reactor, and making use of the directional and regular circular flow of the fluid inside the loop reactor to make the fluid fully mixed, thus achieving gelatinizing at one time. The obtained alumina carrier has the characteristics of large pore volume, large pore diameter, and concentrated pore size distribution, thus being especially suitable to serving as a heavy oil or residual oil hydrodemetallization catalyst carrier.

The invention relates to a fluorescent material coating method and a substrate prepared by the same. The fluorescent material coating method comprises the following steps of: (A) dispersing a fluorescent material in a first solvent to form fluorescent material solution; (B) filling the substrate in a container, injecting a second solvent in the container and covering the surface of the substrate by using the second solvent; (C) adding the fluorescent material solution into the second solvent to form a fluorescent material thin film on the surface of the second solvent; and (D) removing the second solvent from the container to form the fluorescent material thin film on the surface of the substrate.

The invention discloses a nano nickel-based methanation catalyst which comprises the following components in percentage by weight: 20-35 % of NiO, 55-79 % of a carrier, and 0.1-10 % of a structure additive. The nano nickel-based methanation catalyst disclosed by the invention has the advantages that the catalyst is applicable to a slurry bed methanation process, high in catalytic activity, and good in stability.