1098results about How to "Wide range of raw materials" patented technology

The invention discloses ion mineralization stabilizer for treating soil with heavy metal pollution and an application method thereof. The ion mineralization stabilizer comprises, by weight percent, 5-30% of sulfur-based compound, 10-50% of phosphor-based compound, 10-50% of calcium-based compound, and 10-30% of silicon-based compound. The materials are respectively ground into powders with particle size not less than 200 meshes, and the powders are proportionally mixed well. The application method of the ion mineralization stabilizer for treating soil with heavy metal pollution includes: detecting arsenic content and leaching toxicity of the soil to be treated, placing the ion mineralization stabilizers in different proportions on the surface of the soil to be treated according to pollution level, well mixing to form mixed soil by ploughing and stirring, adding water to keep the water content of the mixed soil no less than 25%, covering the mixed soil with moisturizing material, curing for at least 5 days to keep heavy metals in the mixed soil to form stable minerals.

This invention discloses a method for preparing neutral titanium dioxide nanosol. The method comprises: (1) preparing amorphous titanium dioxide; (2) dispersing and dissolving amorphous titanium dioxide; (3) performing hydrothermal treatment to obtain neutral titanium dioxide nanosol. The obtained neutral titanium dioxide nanosol (below 10 nm) is transparent and golden, and does not have any odor. Besides, the neutral titanium dioxide nanosol has such advantages as high stability, certain crystallinity, high specific surface area, high adhesiveness, reduced particle sizes after doped with transition metal, and high utility of visible light. The method has such advantages as wide raw materials and easy operation, and is suitable for large-scale production.

The invention provides a preparation method of nanometer cobweb / nanometer fiber composite protective material, which is characterized by comprising the specific steps of: I, using macromolecule for stirring and dissolving or dispersing spinning into a solvent to obtain an electric spinning material with a weight percentage of 5 to 30 percent; II, inputting the electric spinning material obtained in step I onto a spinneret at a flow speed of 0.1-10mL / h at the room temperature and humidity not more than 30 percent and simultaneously connecting the spinneret with a 10-80 kv power to conduct static spinning; using a layer of base materials to receive the spun threads, covering a layer of top materials on the threads, and then conducting hot-pressing on the threads to obtain the nanometer cobweb / nanometer fiber multi-layer composite protective material with an aperture of 10-80 nanometer and an average diameter of 15 nanometer. The material can be effectively used for preventing the viruses with diameters between 80 and 120 nanometers of H1N1 influenza A, bird flu, equine influenza, SARS pathogene and the like.

The invention relates to a membrane adsorbent for removing heavy metal ions and a preparation method thereof, in particular to a method for preparing a membrane adsorbent for removing heavy metal ions from water by utilizing the process of membrane filtration. Casting membrane liquid for preparing the membrane adsorbent comprises the following components in percentage by mass: 70 / 30 to 20 / 80 percent of polymer / resin, 4 to 30 percent of additive and 30 to 75 percent of solvent, wherein the concentration sum of the polymer and the resin is between 20 and 55 percent, and the sum of components is 100 percent. According to the formula of the invention, the method of the membrane adsorbent comprises the following steps of: 1, preparing the casting membrane liquid; 2, preparing a membrane; and 3, performing aftertreatment. The surface of the membrane adsorbent has an opening structure, so the membrane adsorbent has the excellent adsorption function, can be used as filtering and adsorbing media, and is particularly suitable for removing the heavy metal ions from the water.

The invention discloses a remediation agent for treating arsenic contaminated soil and a usage of the remediation agent. The remediation agent comprises the following raw materials by mass: 5-30% of oxidant, 30-70% of iron-based compound and 10-60% of mineral material. The raw materials are respectively ground into materials with particle size not smaller than 200 meshes and are mixed uniformly according to the proportion. The usage of the remediation agent for treating the arsenic contaminated soil comprises the following steps that: the arsenic content and the leaching toxicity of the to-be-treated contaminated soil are detected; the remediation agent with different ratios according to the degree of contamination is paved on the surface of the to-be-treated soil; the soil is turned over and uniformly mixed to form the mixed soil; the water content in the mixed soil is kept not to be less than 25% by adding water; a moisturizing material is covered on the mixed soil; and the mixed soil is cured for at least 5 days in order to allow the remediation agent in the mixed soil to be reacted with unstable arsenic in the heavy metal contaminated soil; and the generated insoluble arsenate sediment is stabilized, so that the cured soil can meet the environment protection requirements.

The invention discloses a method to prepare leaven of fertilizer and application, which is characterized by the following: allocating raw material with mass ratio at 10-80 wt industrial residue of ferment, 5-30 wt straw, 5-30 wt cake meal, 10-30 wt bran or rice bran, 1.5-2 wt aquacare, 0.5-1 wt NaCl and or amylaceum, and 1-30 wt brown ball Azotobacter (Azotobacter chroococcum), 1-30 wt bacillus megaterium (Bacillus megaterium), 1-30 wt bacillus licheniformis (Bacillus licheniformis), 1-30 wt plant lactobacillus (Lactobacillus plantarum) and 1-30 wt 1-5 strain of saccharomycopsis fibuligera (Saccharomycopsis fibuligera); producing the product.

The invention discloses a high-moisture filling material and a preparation method thereof. The high-moisture filling material comprises a composition A and a composition B, wherein the composition A comprises 52.4 to 95 by weight percent of sulfo-aluminate cement clinkers, 2.7 to 39 by weight percent of aluminate cement clinkers, 0.3 to 2 by weight percent of setting retarder, and 1.5 to 8 by weight percent of suspending agent; the composition B comprises the following ingredients: 40 to 80 by weight percent of anhydrite, 10 to 30 by weight percent of lime, and 10 to 36 by weight percent of compound additives. The high-moisture filling material has the advantages of easily-available raw materials, low price, good stability, high long-term strength and no risk of surface efforescence.

The invention relates to an application of natural dyes from balsamine in dyeing, comprising the following steps: 1) performing pre-treatment on raw materials; 2) performing ultrasonic wave extracting on raw materials; 3) concentrating the filtrate to get the pasty raw balsamine natural dye; 4) refining the natural dye; 5) performing dying technique on real silks and cotton fabrics by the natural dyes from balsamine. The preparation method is simple, the cost is low, and the extracting efficiency is high; the obtained dyed fabric is safe, environment-friendly, biodegradable, good in pigment stability, and specific in health care performance; and the application has wide application prospect.

The invention discloses a Chinese medicinal herb additive for meat chickens and application. The Chinese medicinal herb additive comprises heterophylly falsestarwort root, nutgrass galingale rhizome, amur corktree bark, coptis root, medicated leaven, sanguisorba, hawthorn, Indian Buead, officinal magnolia bark, largehead atractylodes rhizome, tangerine peel, malt, indigowoad root, swordlike atractylodes rhizome, indigowoad leaf, cyrtomium fortune, chatoyancy and calamus; and mixture of the compositions is added with calcium bicarbonate, phytase, mulitivitamin for birds and lysine. The Chinese medicinal herb additive effectively promotes absorption of nutrient, can resist bacteria and virus, strengthen immunity of the meat chickens, effectively prevents bird flu, has obvious curative effect on diseases having respiratory tract symptoms as the major symptom, and has inhibiting function on familiar newcastle disease, colon bacillus, Pasteurella, enteritis, diarrhea, feather pecking, hair shedding, anus pecking, coccidiosis and the like. The additive cannot restrict the growth and disease resistance of the meat chickens, the meat quality of the meat chickens fed by the additive is obviously better than that of the meat chickens fed by the prior feed additive, the average daily gain of the meat chickens is improved by 23 to 28 percent than that of the meat chickens fed by the prior feed additive, the cultivation cycle is obviously shortened, and no harmful substance is deposited.

The invention discloses a method for producing phosphorus building gypsum by phosphorous gypsum. The method is characterized by comprising the following steps of drying industrial residual phosphorous gypsum by a pneumatic drier to a state that water content is smaller than 5%; sending the dried phosphorous gypsum to a steam jet mill, grinding the industrial residual phosphorous gypsum by the steam jet mill and dewatering, collecting the grinded phosphorous gypsum by a dust collector and cooling the phosphorous gypsum to obtain the phosphorus building gypsum, wherein the power medium of the steam jet mill is superheated steam; a frequency of a powder concentrator is 10 Hz-40 Hz; the temperature of the superheated steam is 250 DEG C-300 DEG C; and a pressure of the superheated steam is 0.7 MPa-1.2 MPa. In the method, the industrial residual phosphorous gypsum is used as a raw material; the superheated steam generated by industrial waste heat is used as a power for the steam jet mill to prepare the phosphorus building gypsum. The method has the characteristics of wide available raw materials, simple production equipment, high yield, low cost, large-scale production, etc. The prepared phosphorus building gypsum can be used for preparing building functional mortar and producing gypsum boards and building blocks, and has strong practicality.

The invention relates to a monoatomic catalyst for preparation of low-carbon olefin by means of dehydrogenation of low-carbon hydrocarbons, and a catalytic method. The catalyst is obtained by supporting metal active components, dispersed in an isolated monoatomic form, on a carrier, or supporting the metal active components on the carrier in a form in which single atoms and metal nanoparticles coexist. The metals in the metal active components are preferably selected from at least one of chromium, manganese, iron, cobalt, nickel, copper, gallium, molybdenum, ruthenium, rhodium, palladium, silver, iridium, platinum and lead; the carrier is prepared from one or more of a carbon-nitrogen material, a carbon material or oxides. The catalyst provided by the invention can realize the reduction ofmetal consumption and has very good stability; the catalyst can significantly reduce the reaction temperature while guaranteeing high catalytic performance, reduces the energy consumption, effectively avoids the formation of carbon deposit, and increases the production efficiency. The catalyst can catalyze a dehydrogenation reaction of the multiple low-carbon hydrocarbons such as isobutane, n-butane, butene, propane and ethane so as to produce corresponding low-carbon olefin products, thus being wide in application range; the monoatomic catalyst is multiple in preparation methods, wide in rawmaterials, low in cost and suitable for mass industrial production.

The invention discloses a preparation method of even and stable nano-silver water solution, which comprises the steps of: crushing, filtering, separating, purifying and diluting plant leaves to obtain plant leaf extract water solution; mixing the obtained plant leaf extract water solution with amino-terminated hyperbranched polymer aqueous solution to obtain plant leaf extract composite solution; repeatedly freezing and unfreezing to obtain plant leaf extract dispersion liquid; and after that, adding silver-ammonia solution into the obtained plant leaf extract dispersion liquid, and mixing to obtain the even and stable nano-silver water solution with the particle size of 1-100nm. The plant leaf extract is adopted as catching agent and reducing agent of silver ions, so that the method is wide in material sources, mild in reaction, safe and environment-friendly; and the prepared nano-silver water solution is good in stability and small in nano-silver particle size, and has the characteristic of high antibacterial efficiency, thus being widely applied to the fields such as electronics, textile, catalysis, medical material, medical health, etc.

The invention discloses a method for preparing a supported catalyst for preparing cyclopentanone with furfural through hydrogenation. An activated carbon nano tube is adopted as a carrier, and loading metal comprises Ni, Cu, Co and Mg. The method for preparing the catalyst adopts a double dropwise adding and coprecipitation method, thus preparing the catalyst with high capacity and improving the catalytic effect of the catalyst; the preparation condition for the catalyst is easy to realize; and the range of raw materials for preparation is wide, precursors of all components are general and the raw materials for preparation can be selected flexibly according to market price. The catalyst prepared by the method has higher catalytic activity, the furfural conversion efficiency is above 96.6%, and the cyclopentanone selectivity is above 95.4%, so that the catalyst can be used for preparing the cyclpentanone with the furfural as a raw material, the problem that cyclopentanone self polymerization is easy to occur so as to generate a material with high boiling point in the process of generation of cyclopentanone by taking adipic acid as a raw material is solved, and the product yield is improved.

Disclosed are composite flame-retardant expandable polystyrene particles and a preparation technology thereof. The particles are prepared from the following components of: by weight, 100 parts of styrene monomer, 100-150 parts of water, 1-10 parts of expandable graphite, 1-12 parts of a phosphorus compound, 0.1-0.5 part of white oil, 0.1-0.5 part of polyethylene wax, 0.05-0.2 part of dicumyl peroxide, 0.2-0.8 part of benzoyl peroxide, 0.1-0.4 part of polyvinyl alcohol, 1.1-2.1 parts of tricalcium phosphate and 8-12 parts of pentane. By the addition of a composite fire retardant of expandable graphite and the phosphorus compound before polymerization of styrene, adverse influence of the fire retardant on performance of the product is reduced; expandable graphite and the phosphorus compound are halogen-free fire retardants, the particles have good environmental protection performance; by the addition of white oil, the particles have plasticising and internal lubricant functions as well as good stability and low volatility, and fluidity during the forming of polystyrene particles can be greatly improved; polyvinyl alcohol and tricalcium phosphate are dispersion stabilizers and by timely adding a proper amount of the dispersion stabilizers, the product appearance can be improved, the production efficiency can be raised, and cost can be reduced; and the addition of all the components guarantees the performance of the product.

The invention discloses a surface modified porous carbon structural carbon fiber / sulfur composite cathode material and a preparation method thereof. The composite cathode material is formed by compounding surface modified porous carbon structural carbon fiber and elemental sulfur. The preparation method comprises the steps: firstly, preparing an organic metal frame coated carbon fiber composite by using a solvothermal method; carbonizing the composite at high temperature; and then, compounding the composite with sulfur to obtain the surface modified porous carbon structural carbon fiber / sulfur composite cathode material. The preparation method is simple; the adopted raw materials are low in cost; the prepared composite cathode material has high specific capacity and high utilization ratio of active sulfur; the cycle performance of a lithium sulfur battery is greatly improved.

The invention relates the soil conditioner, comprising the following steps: using porous inorganic matter as raw material, adding 3wt%-50wt% forming agent and 0.1-50wt% activating agent, granulating, and getting the product. The soil conditioner can modify soil physicochemistry deseription; it can be mixed with inorganic or organic fertilizer. It also can be used as carrier to product microbe soil conditioner. It is mixed with organic matter to product organic fertilizer which contains high nitrogen content.

The invention discloses a method for preparing hydrogenated C9 petroleum resin, and belongs to the technical field of resin hydrogenation. A Ni / ZnO catalyst serves as a hydrogenation adsorption desulfurization catalyst, a supported metal catalyst serves as a hydrogenation decoloration catalyst, the resin is hydrogenated in a two-section fixed bed continuous hydrogenation mode, and due to the application of the Ni / ZnO hydrogenation adsorption desulfurization catalyst, the service life of the supported metal catalyst is guaranteed. The hue of the prepared hydrogenated resin is improved to be water white, and good heat stability is achieved. The method has the advantages that the process is simple, the activity of the catalysts is high, the chromaticity of the resin is improved, the heat stability of the resin is improved, the softening point is slightly reduced, and good economic benefits and industrial application prospects are achieved.

The present invention discloses a scented straw cat litter made by wheat straws and a method thereof. The scented cat litter is manufactured by weight percentage by the following materials of 40-60 parts of wheat straws with a smashing mesh number being 40-70, 40-60 parts of wheat shorts, 1-3 parts of Sesbania gelatine powder, 0.5-2 parts of salt, 0.1-0.5 parts of a bio-enzyme preparation, and 10-25 parts of water. The method comprises mixing the bio-enzyme preparation, the salt and the water with stirring; mixing and stirring the wheat straw powder, the wheat shorts and the Sesbania gelatine powder to be uniform; comprehensively mixing the above raw materials with stirring; sending the mixed materials by a feed screw to a roller couple extrusion pelleting machine for roll extrusion to form pellets; transmitting the formed material pellets to a crushing and screening all-in-one machine for screening; and drying, cooling and packaging the screened pellets at normal temperature. The cat litter provided by the present invention has a strong water absorption capability and deodorization capability, can be flushed into the sewer without causing blockage, is convenient to clean, can be used as a fertilizer for grass and flowers, and is saving in using amount, high in cost performance, small in dust in a production process, and low in production cost. Products of different shapes can be produced by replacing pressing rollers of different patterns, thereby achieving multiple uses in one machine.

The invention relates to a granular saline-alkali soil conditioner. The conditioner is prepared from the following raw materials in parts by weight: 70-90 parts of phosphogypsum, 5-15 parts of humic acid and 5-15 parts of filler. The invention also relates to a production method of the saline-alkali soil conditioner. The production method comprises the following steps: preparing the filler, preparing a spray, palletizing, baking, sieving and the like. The granular saline-alkali soil conditioner disclosed by the invention plays a good saline-alkali soil improvement role by combined action of adjusting a plurality of aspects such as the soil pH level and ion components, enhancing the salt resistance ability of crops, activating nutrient elements in soil and the like. The product disclosed by the invention is granular, convenient to use, and convenient for mechanical fertilization. The production method of the product disclosed by the invention has the characteristics that production equipment is low in demands, and just conventional equipment needs to be adopted, special equipment does not need to be added, and the method is wide in raw material source, low in production cost, convenient to transport and fertilize, and the like.

The aluminum iron chloride polymer as composite coagulant is produced with aluminum-containing material and iron-containing material and through acid dissolution, oxidation with chlorate, neutralization with calcium aluminate powder and polymerization. Compared with available technology, the present invention has the advantages of low production cost, capability of being used as drinking water purifying agent, simple usage, and wide application range.

The invention relates to a multifunctional bio-charcoal and a preparation method thereof. According to the technical scheme, the preparation method comprises the steps of dipping biomass into 1-15wt% caustic alkali solution for 1-50h, washing with water to be neutral, and drying to obtain treated biomass; then charring the treated biomass in a tube furnace in mixed gas at 300-900 DEG for 1-130h to obtain the multifunctional bio-charcoal. The biomass is one of rice straw, wheat straw, sawdust, wood, green grass, fruit peel and animal tissue waste; the biomass contains 30-60wt% of volatile organic carbon of charcoal, 10-40wt% of fixed carbon, 1-30wt% of ash and 10-60wt% of water. The preparation method disclosed by the invention has the characteristics of low production cost, high yield, simple process, controllable production process and environment friendliness, and the prepared multifunctional bio-charcoal has a good adsorption effect on heavy metals and high stability and can be used for repairing water bodies, solid matrixes and soil which are polluted by heavy metals.

The invention relates to a polycarboxylate water reducer for ultra-compact concrete for nuclear power and a preparation method of the polycarboxylate water reducer. Every 100 parts of the water reducer comprises components in parts by weight as follows: 50-55 parts of a dispersing ether type polycarboxylate water reducer, 20-25 parts of a slump retaining ether type polycarboxylate water reducer, 3-5 parts of a retarder, 0.01-0.05 parts of a defoaming agent, 1-3 parts of a water retaining agent, 1-2 parts of a shrinkage reducing agent, 0.1-0.3 parts of a preservative and the balance of water. The components are uniformly mixed in parts by weight during preparation. Compared with the prior art, the water reducer has the advantages as follows: concrete workability and liquidity are improved, a temperature peak value and a shrinkage value of the concrete are reduced, the internal porosity of the concrete is reduced, the self-compacting performance and the durability of the concrete are improved and the like; besides, the preparation method is simple, raw material sources are wide, the cost is low, and the water reducer is environment-friendly and has the good application prospect.

The invention discloses a flotation method for lead and zinc sulfide ores. The method comprises the following steps of: crushing the lead and zinc sulfide ores through a crushing process in three sections of closed route; grinding the ores through two sections of closed route, wherein powder with the ore grinding granularity of -200 meshes is up to 80 to 90 percent; after grinding the ores, adding a catching agent, an inhibitor, a foaming agent and a pH regulator to perform differential flotation on lead, wherein lead concentrate is obtained by performing rough concentration for one time, scavenging for one time and fine concentration for three times on the ores; and putting the tailings obtained after lead scavenging into an electrolyte tank to perform flotation on zinc through an electrolytic method to obtain zinc concentrate. Because the electrolytic method is adopted to separate minerals in the method, the using amount of medicinal agents is reduced, the cost is reduced, the pollution to environment is reduced, and the extraction rate is increased.

The present invention relates to a compact composite light-weight internal and external wall panel. It includes slurry material layer of external layer. Said slurry material layer is made up by using (by weight portion) 100 portions of quick-hardening early-strength sulphoaluminate cement, 0-35 portions of fly-ash, 0-10 portions of building glue and 0.2 portions as raw material through the processes of mixing, adding water and making slurry. It the slurry material layer interior a plastic-coated glass fiber mesh fabric is filled, and the slurry material layer interior is covered with a foamed plastic layer, said foamed plastic layer is a high-foamed polystyrene foam plastic plate. In the foamed plastic layer several through holes are set, in every through hole a column slurry material body is injected, and two sides of said panel body are equipped with tongue and slot mortise.

The invention discloses a nano columnar crystal thermal barrier coating layer and a preparation method thereof. The nano columnar crystal thermal barrier coating layer has a double-layer structure and comprises an adhesive layer and a ceramic layer; the adhesive layer is formed by spraying a NiCrCoAlY powder body by an atmosphere plasma spraying method; and the ceramic layer is formed by uniformly mixing stable zirconium oxide powder and aluminum oxide powder of an yttrium oxide part according to the mass ratio of 10-20:1, grinding the mixture by a rolling vibration grinder under the condition of argon protection to obtain a compound powder body, and spraying the compound powder body to the adhesive layer by the atmosphere plasma spraying method. The nano columnar crystal thermal barrier coating layer with the double-layer structure is low in raw material cost; the elastic modulus of the coating layer is relatively large; the porosity is relatively high; the preparation process is simple; and the nano columnar crystal thermal barrier coating layer is convenient to operate and is suitable for industrial production.

The present invention relates to a preparation method for crystalloid aluminum chlorate, in particular to a preparation method for crystalloid aluminum chlorate by using the circulating fluidized bed fly ash as raw material. By means of the better chemical activity of the aluminum contained in the circulating fluidized bed fly ash, the aluminum chlorate solution is obtained from the circulating fluidized bed fly ash by a direct acid dissolution process, and then the supernatant is obtained by separating the slag from the liquid in a setting tank, and the supernatant is concentrated and crystalled, finally, the solid crystalloid aluminum chlorate is obtained after spray drying. The present invention has a wide range of raw material, a low cost, a simple manufacturing process, quality product, less energy consumption, and meets the circular economy conception.

The invention provides a special composite oil phase for an emulsion explosive and a preparation method thereof, which belong to the technical field of explosive composition. The composite oil phase comprises Span-80, soybean lecithin, vaseline, a microcrystalline wax, a paraffin wax and a composite wax, wherein during producing the emulsion explosive, an emulsion and a blending wax are melted after being mixed or mixed after being melted according to a mass ratio of 1:2 so as to obtain the special composite oil phase for the emulsion explosive. By using the composite oil phase provided by the invention, the problems of low performance, over-quickness for damping detonation capacity as well as short storage period of the traditional emulsion explosive are solved; and the special composite oil phase for the emulsion explosive, provided by the invention, can be used for producing the special composite oil phase materials for the emulsion explosive.

The invention provides a sophora davidii anthocyanin crude extract and further provides a microcapsule of the sophora davidii anthocyanin crude extract. The anthocyanin crude extract prepared by the invention has good antioxidant activity, so that further purification on anthocyanin is avoided, and the production and use cost is reduced. The invention provides the microcapsule, aiming at the problem that the anthocyanin as a main component is difficult to widely use in existing food because the anthocyanin is easy to oxidate and degrade under the action of illumination, high temperature and oxygen and cannot be dissolved in liposoluble substances, a microencapsulation technique which is used for keeping the stability of the anthocyanin and extending the application range thereof is provided, the tolerance for heat, light and the like is increased, and the stability is obviously increased.

The invention discloses a natural plant material hollow cigarette filter rod as well as a preparation method and application thereof. The hollow cigarette filter rod is prepared by the following steps: uniformly mixing a natural plant particle material with a binder; squeezing into a cake by moulding equipment; mechanically cutting and grinding the obtained cake into a cylinder; and further perforating the cylinder along a central axis. The preparation method has the advantages of low equipment requirements, simplicity in operation, cheap raw materials and low production cost; and the prepared hollow cigarette filter rod has high safety performance, is environment-friendly, has the adsorption interception function of a common acetate fiber hollow filter rod, and can realize an aroma enhancement effect.