77results about How to "Loose internal structure" patented technology

The invention relates to a preparation method of a reed-based biochar adsorption material. The preparation method is technically characterized by comprising the following steps of cleaning the reed stalk, drying and crushing; soaking the crushed reed stalk into a KOH (potassium hydroxide) solution to activate, and drying; putting the dried crushed reed stalk into an atmosphere furnace, and performing oxygen-free high-temperature cracking under the nitrogen or inert gas protection atmosphere; after high-temperature cracking treatment, cooling to room temperature, and cleaning the cracked material to be neutral by an acid solution, so as to prepare the reed-based biochar adsorption material. The preparation method has the advantages that the problems of pollution to environment and waste ofresources due to irresponsible disposal of the wetland plant wastes are solved; compared with the prior art, the specific surface area is large, the pollutant adsorption ability is strong, the environment-friendly value is greatly increased, and the resource utilization of the wastes is realized.

The invention discloses a processing method for feather albumen powder and relates to the technical field of albumen powder processing. The feather albumen powder is prepared according to the following steps: washing poultry feather with water, cleaning and then cooking with water; freezing; thawing; crushing under partial freezing state; performing enzymolysis; drying; crushing and sieving. According to the method of repeatedly cooking with water, freezing and then performing enzymolysis provided by the invention, the macromolecule albumen in the feather is converted into micro-molecule polypeptide; freezing is performed after water cooking, so that the interior structure of the feather is loosened; after enzymolysis, the albumen powder contains various amino acid ingredients; the digestibility of the obtained albumen powder is high; the albumen powder is fit for the processing of the feather albumen powder produced by adopting the feather of poultry including chicken, duck, goose and the like; the processing method provided by the invention has the advantages that the technique is simple, the equipment is simple and the industrial production requirement can be met.

The invention belongs to the field of pesticides, and discloses a water-soluble granule formulation containing paraquat dichloride and a preparation method of the water-soluble granule formulation. The water-soluble granule formulation comprises the following components: 0.1 to 95 parts by weight of paraquat dichloride, 1 to 30 parts by weight of surfactants, 0.001 to 0.1 part by weight of bitter agent, 0.05 part by weight of pigment, 0.1 part by weight of odor agent and an emetic equivalent to 0.18 wt% of the paraquat dichloride, wherein the surfactant is a sulfonic compound, a sulfuric compound, an anionic surfactant and/or a non-ionic surfactant; the components are mixed to form size, and then particles are prepared by a fluidized granulating method. The prepared water-soluble granule formulation can be used for preventing poisoning risk caused by contacting or ingesting a regular soluble concentrate or wettable powder, and the weeding effect is kept after the water-soluble granule formulation is stored for a long time.

The invention discloses a method for extracting rapeseed oil and passivated myrosinase from rapeseeds and belongs to the technical field of agricultural resources.The method has the advantages that raw materials are soaked by deionized water, moisture in cells is turned into steam during steam explosion or pressurization heat-moisture treatment, and cell walls are broken to allow the cell structure to be loose and promote the dissolution of grease in the cells; an ethanol solution is used as the oil extraction medium, glucosinolates and most degradation products are allowed to enter a water phase, the glucosinolate and glucosinolate degradation product contents in cake are lowered, and the detoxification procedure of rapeseed cake is reduced; enzyme use is avoided, oil production cycle is shortened, production cost is reduced, oil product quality is optimized, and the problems that the glucosinolate and glucosinolate degradation product contents of the cake obtained by a traditional rapeseed process are high, high-quality protein resources are wasted, a large amount of enzyme needs to be used, cost is high or environment pollution is severe, and the like are solved.

The invention provides a method for preparing iron-based magnetic activated carbon from by catalytic activation of radix puerariae waste residue with compound enzyme, and belongs to the technical field of activated carbon. The method comprises the steps of by taking the radix puerariae waste residue as the raw material, carrying out raw material pretreatment, preparing a radix puerariae activated substrate through catalytic activation with compound enzymes (cellulase, ligninase and pectinase), and preparing the magnetic activated carbon by doping iron, thereby obtaining the product. The method provided by the invention has the characteristics of wide raw material source, low waste material utilization cost, few production steps and low process energy consumption and no secondary pollution, and is beneficial to environment protection; the activated carbon product are excellent in adsorptive property and the magnetic properties and wide in application, and secondary pollution caused by difficult activated carbon recovery is not generated, etc. The method can be widely applied to preparation of the magnetic activated carbon by using the radix puerariae residue solid wastes as raw materials and doping iron; the activated carbon prepared by the method can be widely applied to the fields of waste water treatment, oil fume desorption and odor adsorption in food preservation and the like.

The invention discloses a method for extracting maize germ oil assisted by ethyl alcohol and steam explosion and belongs to the technical field of elaborate processing of the agricultural and sideline products. The method comprises the steps of after using low-concentration citric acid solution to immerse the maize, adopting the steam explosion method to greatly shorten the thermal processing time; adopting ethyl alcohol solution as oil extracting medium and adopting a demulsifier to substitute plenty of enzymes used in the traditional aqueous enzymatic method so as to save the production cost and modify the quality of the product. The method used in the invention has the advantages of high oil extracting efficiency, low cost and high quality, and solves the problems of low oil extracting efficiency, high cost and long period of maize germ oil extracting process in the traditional aqueous enzymatic method.

The invention disclose a toothpaste for eliminating yellow stains of teeth or tartar arising from smoking and preparation method thereof. The toothpaste comprises the following ingredients by weight: 30-50% of assistant rubbing agents, 0.8-1.5% of an adhesive, 1.0-3.0% of a foaming agent, 10-25% of a humectant, 0.01-0.1% of a sweetener, 0.1-0.5% of essence, 0.2-1.0% of an antiseptic, and the balance being water. The assistant rubbing agents are composed of the following ingredients by weight: 25-55% of calcium hydrogen phosphate, 40-70% of walnut shell powder, and 0-20% of loofah sponge powder, each of which serves as a rubbing agent and has a superior friction property. The walnut shell powder is processed by microwave to be loose, thereby avoiding tooth damage and increasing adsorption and dissolving of cigarette tar and tartar. The toothpaste can eliminate yellow stains of teeth and tartar, and cannot damage the teeth, is safe and effective, and is low in cost.

The invention relates to the technical field of traditional Chinese medicine decoction pieces, in particular to radix angelicae sinensis traditional Chinese medicine decoction pieces and a preparationmethod thereof. The preparation method comprises the following steps of A, material selection and washing; B, infiltration; C, slicing and steaming; D, vacuum freeze drying and smashing; E, encapsulation; F, drying and tabletting. The preparation method is simple in process, the operation is easy to control, the production efficiency is high, and the cost is low; through encapsulation, active functional ingredients in radix angelicae sinensis are effectively protected, the water content is equal to or lower than 4.5%, the ligustilide content is 57.83%-58.64%, the ferulic acid content is 0.061-0.073%, the radix angelicae sinensis traditional Chinese medicine decoction pieces prepared by using the method are easy to dissolve and easy to digest and absorb, the dissolution rate is 97.25-98.88%, and bacteria are not easy to breed. The content of aflatoxin B1 is 1.6-2.3 microgram/kg, the shelf life is long, the quality is stable and the preparation method can be used for massive industrialproduction.

The invention discloses a macromolecular sound absorption composition board which comprises a macromolecular foaming layer, mixed aerogel layers and reinforcing layers, wherein two sides of the macromolecular foaming layer are respectively provided with the mixed aerogel layers and the reinforcing layers. The macromolecular sound absorption composition board is characterized in that the macromolecular foaming layer contains the following components in parts by weight: 80-100 parts of polyvinyl chloride, 15-25 parts of porous ceramic particles, 8-15 parts of a foaming agent, 20-25 parts of a flame retardant, 2-3 parts of acrosslinking agent, 15-25 parts of EVA particles, 40-60 parts of spay fusing fiber, 2-5 parts of a gas forming admixture, and 15-20 parts of magnesium chloride. The macromolecular sound absorption composition board has the advantages that because the porous ceramic particles, the EVA particles, the spay fusing fiber and the like are added, the sound absorption capacityis greatly improved, the diameter of the spay fusing fiber can reach micro order, and the induction strength to low-frequency low-strength sound wave is relatively strong; because the mixed aerogel layers are small in density and more in gaps, vibration is easy to generate to convert the energy of sound wave to mechanical energy or to internal energy to be dissipated. Therefore, the macromolecular sound absorption composition board not only is strong in high frequency sound wave reduction capacity, but also is stronger in low frequency sound wave reduction capacity compared with that of general absorber materials.

The invention discloses a production method of an organic oat nutritional powder. The production method includes the steps of: 1) after bran is removed, cleaning and drying oat, and crushing the oat into coarse oat grains; 2) mixing the coarse oat grains with oat bran, which has been soaked, dehydrated and crushed into fine powder, adding a mixed solution and stirring the mixture, and performing pressure varying treatment in a sealing chamber so that the mixed solution, which contains a traditional Chinese medicine extraction liquid, is permeated and fixed in the coarse oat grains and the oat bran powder, thereby locking the traditional Chinese medicine extracts inside the oat; and 3) boiling the coarse oat grains and the oat bran powder in pure water to prepare oat congee, and spray-drying the oat congee to obtain the organic oat nutritional powder. The organic oat nutritional powder contains traditional Chinese medicine components, is free of preservatives and stabilizing agent, has a slight sweet taste, and has the effects of reducing blood glucose, removing cholesterol, reducing body weight and slimming body, and beautifying and nourishing face.

The invention discloses granular biological organic fertilizer. The organic fertilizer is prepared from the following raw materials in parts by weight: 400-500 parts of a decomposed organic material,100-150 parts of inorganic fertilizer, 40-60 parts of inorganic clay, 20-40 parts of humic acid, 20-40 parts of porous starch, 20-40 parts of expanded feather meal, 10-20 parts of activated sludge, 5-10 parts of microbial powder and 1-3 parts of a coated binder. The total effective viable bacteria count in the microbial powder is greater than or equal to 0.2*10<8>cfu/g. The granular biological organic fertilizer can effectively fix functional bacteria on fertilizer particles, the survival rate is high, the functional bacteria is not easy to lose, after applied into soil, can rapidly and massively multiply, and thus gives full play to the fertilizer effect and improves the yield of crops.

The invention discloses a treatment agent for formaldehyde wastewater and belongs to the field of wastewater treatment. According to the treatment agent for formaldehyde wastewater, coconut shell granules are obtained through subjecting coconut shells to crushing and alkali dipping and then are subjected to liquid-nitrogen freezing and pyrolyzing, so that the porosity among the coconut shell granules is improved, and the adsorption capacity is also improved; thiourea added can be combined with formaldehyde as a nucleophilic reagent, and a produced combination can be adsorbed by a diatomite ingredient of the treatment agent, so as to achieve the effect of stably removing the formaldehyde; diatomite is modified with acrylic acid and citric acid containing three -COOH, so that the uniformityof air hole distribution is improved, and the formaldehyde can be adsorbed thoroughly; and abietate added has tackifying and film forming properties and high stability, has certain plasticity and hasgood wettability to the surface of an adherend, so that the treatment agent durably maintains formaldehyde combining and adsorbing stability. According to the treatment agent, the problem that formaldehyde wastewater treatment agents frequently used at present are poor in effect and stability during formaldehyde treatment is solved.

The invention discloses a plasticized polymer ionic liquid film and a method for selective separation of chromium (VI) through the same. The method comprises the steps that 1.5-2.5% of fatty amine and3.0-3.5% of polyvinyl chloride are taken as reaction raw materials to be subjected to reactive blending in 91.5-93.0% of an organic solvent, then 1.0-4.0% of a plasticizer is added, the solvent is removed through volatilization, the plasticized polymer ionic liquid film is prepared through acidification transformation, and selective separation of the chromium (VI) in chromium (VI) feed liquid isconducted through the plasticized polymer ionic liquid film under synchronous conducting of extraction and reverse extraction. A film preparation technology is simple, the using amount of a reagent issmall, and selectivity to the chromium (VI) is high; energy consumption is low in the extraction process, and secondary pollution is avoided; a film phase is not prone to leakage, a liquid film is stable in property, and the plasticized polymer ionic liquid film has the ability of continuous and repeated application; and the plasticized polymer ionic liquid film and the method can be applied to industrial application of selective removal of the chromium (VI) in the chromium-containing wastewater.

The invention provides a preparation method of super-soft and highly-hygroscopic silk fibers. The preparation method comprises the following specific steps of firstly, boiling and degumming silk fibers, and then immersing the silk fibers into warm water for performing swelling treatment; performing rubbing friction to obtain pretreated silk fibers; secondly, immersing the pretreated silk fibers into a solution containing nano-hydrogel particles, performing ultrasonic oscillation, taking out and spinning to obtain highly-hygroscopic silk fibers; adding the highly-hygroscopic fibers into ice water, and slowly heating and stirring; adding biological enzyme, reacting for a period of time, then taking out, sufficiently washing and naturally airing to obtain the super-soft and highly-hygroscopic silk fibers. The natural silk fibers prepared by the method are modified by physical and biological methods to be endowed with super-soft and highly-hygroscopic properties; no chemical reagent is added, no toxicity and residues are caused, and the nature of the silk fibers is retained, so the super-soft and highly-hygroscopic silk fibers are environmentally-friendly.

The invention discloses a preparation method of an activated carbon adsorbent for regenerating and adsorbing methyl orange, which comprises the following steps of crushing an activated carbon raw material into particles with the particle size of 1.2-3 cm, soaking in an acid solution for 6-10 hours, then fishing out, washing with distilled water to be neutral, drying, soaking in an alkaline solution for 8-15 hours, then fishing out, washing with distilled water to be neutral, and drying, adding copper sulfate and ferrous sulfate into distilled water, then adding the activated carbon raw material in the step S1 into the solution, adding graphene oxide, transferring into a high-pressure reaction kettle, and carrying out high-temperature reaction, cooling, filtering and drying, putting an activated carbon raw material into a tubular furnace, introducing mixed gas, calcining for 4-8 hours, and cooling to obtain an activated carbon precursor, adding a surfactant into distilled water, then adding an activated carbon precursor, stirring, filtering, drying, then adding the dried activated carbon into a dopamine aqueous solution, adding into a 6-15% tris-HCl buffer solution, stirring for 6-12 hours, filtering, and drying to obtain the activated carbon.