42results about How to "Improve self-worth" patented technology

The present invention features that the color concentrate is prepared with main carrier resin A, matched carrier resin X, compatizer, pigment, inorganic stuffing, antistatic agent, light stabilizer, antioxidant and pigment lubricating dispersant. The main carrier resin an and the matched carrier resin X, which has obviously different compatibility and smelting behavior from that of the basic resin B in the product, may constitute alloy carrier resin. The said materials may be altered to result in various decoration effects.

A cultivation method for high yield of selenium enrichment wheat is provided. Selenium fertilizer is mixed with seeds and applied during periods of straw pulling and flowering to enable wheat to produce physiological and biochemical reactions, so inorganic selenium can be absorbed and converted into organic selenium capable of being absorbed by human bodies; and enriched wheat grain become selenium enriched wheat. Through lab tests, content of selenium content of selenium of wheat grains can reach as high as 0.2mg / kg to 0.3mg / kg, a regulated value for human body health; wheat disease resistance property is enhanced according to scientific selenium fertilizer; 12 to 18% of wheat is increased compared with common wheat according to experts' test; and great benefit is produced to national grain production; and the method is worthy of promotion.

The invention belongs to the novel technical field of cultivation of edible mushrooms, and particularly relates to a method for preparing a fruiting fungus bag for oyster mushroom with a cornstalk as a principal raw material. The method comprises the steps as follows: the pure elongated cornstalk which is not required to be smashed is taken as the principal raw material and cut into segments of 25-30 cm, and the segments are soaked in lime water and fermented; and corncobs, corn husks, corn flour and quick lime are taken as auxiliary materials, the fermented cornstalk segments and the auxiliary materials are bagged, and the fruiting fungus bag for production is prepared through sterilization, inoculation and fungus cultivation. According to the method, the used principal raw material, namely, the cornstalk is not required to be smashed or ground during application and is used integrally, investment for special facilities, and labor and the like which are required when the cornstalk is smashed or ground at ordinary times is reduced; besides, the speed of the hypha is slow when the hypha is transformed into the cornstalk, the transformation period is long, the biotransformation rate is high, and the produced economic benefits are remarkable.

The invention belongs to the field of mineral processing, and concretely relates to a preparation method of fascicular magnesium carbonate trihydrate crystals. The method comprises the following steps: adding a magnesium chloride hexahydrate solution to an ammonium bicarbonate solution at room temperature while stirring, adding a surfactant SDBS to obtain a reaction slurry, transferring the slurry to an autoclave, heating the slurry to 30-50DEG C, collecting a gas generated in the reaction process to obtain a CO2 gas product, filtering a slurry obtained after the reaction to obtain a filtrate and a filter cake, heating the filtrate at 100-150DEG C for 30-60min, carrying out low temperature condensation on the generated gas to obtain an ammonium chloride product, washing the filter cake with clear water multiple times until no Cl<-> of a washing solution can be detected, sending a solid product to a constant temperature drying box, and drying to obtain the fascicular magnesium carbonate trihydrate crystals. The preparation method of the fascicular magnesium carbonate trihydrate crystals has high efficiency, makes the target product have stable performances, and is a preparation technology with huge latent advantages.

The invention relates to an efficient frog breeding method. The method comprises the steps that a proper site is selected to build a farm in the latitudinal direction, and sterilization and epidemic prevention are conducted on a breeding pond with potassium permanganate and traditional Chinese medicine; feeding is conducted on the fertilized egg stage, the tadpole stage, the young frog stage and the adult frog stage in the frog growth process, wherein tadpole feed and frog feed which are added with the traditional Chinese medicine are needed in the tadpole stage and the young frog stage respectively. The efficient frog breeding method has the advantages that on the basis of frog breeding in the prior art, the proportion of a formula of needed feed in the frog growth process is perfected; meanwhile, the traditional Chinese medicine is added for sterilization and epidemic prevention of the breeding pond and added in the feed, the survival rate of the frogs can be increased, the production quality of the frogs can be improved, and meanwhile the medicinal value of the frogs fed with the traditional Chinese medicine is higher.

The invention relates to an intelligent LED lamp remote monitoring system which comprises an LED lamp sub module, an LED lamp receiving and processing terminal and a monitoring centre. The LED lamp receiving and processing terminal realizes information transfer with the monitoring centre through a GSM (Global System for Mobile Communications) module arranged inside the LED lamp receiving and processing terminal. The LED lamp sub module is internally provided with an RF (Radio Frequency) transmitting module and transmits signals to the LED lamp receiving and processing terminal. In the invention, the LED lamp sub module is internally provided with the RF transmitting module and effectively combined with LED lamp inductive sensing technology, short distance high-frequency communication technology and GSM remote network communication technology to form the remote monitoring system. The remote monitoring system can perform remote realtime monitoring for single group or multiple groups of LED lamps. The users or manufacturers can obtain the work condition of each group of LED lamps at the first time, thereby, the after-sales service level of products is improved and the product quality improving and upgrading period is shortened.

The invention relates to a Hangjin 2# soil loaded nano-zero valent iron adsorption material, wherein the mass ratio of nano-zero valent iron to Hangjin 2# soil is 1:4-5. The preparation method employs Hangjin 2# soil as the carrier to load nano-zero valent iron, and the steps include: 1) dissolving an iron-containing oxide in an ethanol solution to obtain a mixed solution; 2) adding Hangjin 2# soil into the mixed solution of step 1, and controlling the mass ratio of nano-zero valent iron to Hangjin 2# soil at 1:4-5; 3) introducing nitrogen into the product of step 2, conducting stirring to remove oxygen; 4) adding a reducing agent into the product of step 3 to reduce the iron-containing oxide into nano-zero valent iron, and uniformly dispersing the nano-zero valent iron on the surface of the carrier material Hangjin 2# soil; and 5) subjecting the product obtained in step 4 to solid-liquid separation, and performing vacuum drying on the solid, thus obtaining the Hangjin 2# soil loaded nano-zero valent iron adsorption material. The adsorption material provided by the invention has higher reaction activity and reduction effectiveness, and has good application value in actual water pollution control and restoration projects.

The invention relates to a method for using integral corncobs as a raw material for preparing an agaric fungus bag. The method comprises the following steps: fresh or parched integral corncobs which do not need to be crushed are used as a main raw material, wherein the fresh corncobs can be directly used while the parched corncobs have to be soaked in lime water for 20-24 hours before being scooped up, piled, fermented and used; weed tree saw dust, wheat bran, corn flour, quicklime and gypsum powder are used as auxiliary materials; the fresh corncobs or the fermented corncobs and the auxiliary materials are bagged, disinfected, inoculated and cultivated to prepare the agaric fungus bag and a mushroom fungus bag. By means of the method, both the fresh corncobs and the parched corncobs can be used, therefore, the application of the raw material is not limited; the corncobs do not need to be crushed when used and are used integrally instead, therefore, investment including facilities, equipment and labor force needed for crushing the corncobs usually is eliminated, and the speed is low and the period is long when hyphae convert the corncobs.

The invention provides a lens optical coating surface treatment process and a lens obtained by the process. The process comprises the following steps of (1), performing plasma bombardment on the surface of the lens to activate a substrate; (2), preparing a coating material, specifically, ion-assisted plating is adopted; (3), performing electron beam evaporation plating to obtain a waterproof film;(4), preventing evaporation AF; and (5) standing. The process is simple, the properties of all aspects of the obtained lens are improved, and new technical requirements can be met. The obtained lens(such as a sunglass lens) is easy to clean, good in waterproof and antifogging performance and not likely to scratch, and the service time of the obtained lens is prolonged.

The invention particularly relates to an agaric cultivation method taking corn straws as a main raw material. The method comprises the steps that pure elongated corn straws which do not need to be crushed are taken as a raw material; when in use, the corn straws are cut off into sections of 25-30cm in length and are dipped into lime water; corn straw sections are stacked and are fermented for 6-8 days; mixed saw dust, rice bran, soybean meal, calcined lime and gypsum power are taken as auxiliary materials; the fermented corn straw sections and the auxiliary materials are bagged; agaric fungus bags are prepared through sterilization, inoculation and fungus cultivation; and finally, cultivation and management are carried out on the physiologically mature agaric fungus bags according to a conventional method until agaric can be collected, and the cultivation is finished until the whole collecting process ends. By using the agaric cultivation method, when being applied, the used corn straws do not need to be crushed, and the corn straws are used as whole strips; not only are special facilities and devices, labor and other input needed when the corn straws are crushed generally reduced, but also when the corn straws are converted into hyphae, the speed is slow, and the period is long, so that the biological efficiency is high, and the produced economic benefit is very obvious.

The invention relates to the technical field of edible fungus cultivation, in particular to a black fungus bag cultivation method utilizing corncobs as main raw materials. The method specifically includes that cultivation materials include, by weight, 55-58% of corncobs, 22-25% of mixed sawdust, 13% of rice bran, 5% of corn flour, 1% of sugar and 1% of gypsum; the corncobs account for more than 50% of composite total cultivation materials. By the method, the substantial unusable corncobs piled up like mountains at ordinary times can be converted in large quantity, industrial chain is extended, multistage appreciation of agricultural resources is realized, and industrial added value and rural income are increased; forest resources and environment can be protected, so that the method has great significance.

The invention provides a method and a system for displaying 3D menus and a TV set, belonging to the technical field of the TV set. The method for displaying the 3D menus comprises the following steps: receiving menu opening commands inputted by the user; obtaining the related data of all menus according to the menu opening commands; converting the related data of all the menus into 3D displaying signals; and displaying and outputting the 3D displaying signals through a second video window. In the embodiment of the invention, the menu opening commands inputted by the user are received, the related data of all menus is obtained according to the menu opening commands, the related data of all the menus is converted into the 3D displaying signals, and the 3D displaying signals are displayed and outputted through the second video window, thus the menu interface of the TV set is more enjoyable and flexible, and the value of the TV set is improved.

A method for making a Lentinus edodes fungus bag by adopting entire corncobs is characterized in that unbroken fresh or parched corncobs are adopted as a main raw material, the fresh corncobs can be directly used, and the parched corncobs are used after being immersed in limewater and fermented; miscellaneous tree sawdust, wheat bran, corn flour, quicklime and gypsum powder are selected as auxiliary materials; and the method comprises the following steps: bagging the fresh corncobs or the fermented corncobs and the auxiliary materials, disinfecting, inoculating, and cultivating to make the Lentinus edodes fungus bag. The main raw material corncobs can be used whatever the corncobs are fresh or parched through the method, so the raw material can be used without restrictions. The corncobs are entirely used without breaking, so the investment of special facility devices and labor needed in the breaking process of the corncobs is reduced; and mycelia have slow speed and long period in the corncob converting process, so the biological conversion rate is high, and economic benefits generated in the invention are very substantial.

The invention relates to a preparation method of bio-fermented rose tea. By adopting Pingyin multi-petalled red rose as a raw material and drawing advantages of basic processing, the production technology is innovated, the petal tissues are subjected to effective wall breaking while the viability of cell tissues is guaranteed, the product self-value is reserved at a greater degree, the generation and conversion of beneficial elements are enhanced, and the comprehensive value of roses is raised to the greatest extent. The product appearance is rolled and folded into strips, the color is yellow, smooth and purplish red, the liquor color is brownish yellow and bright, the taste is sweet and mellow and thick, and the smell is ripe flavor of flowers and fruits; and through repeated brewing, the product is of orange yellow and transparent color, and provides a refreshing and unique aftertaste.

The invention belongs to the field of a new edible mushroom cultivation technique, and particularly relates to a method for cultivating mushroom by strip-shaped corn straws. The method comprises the following steps of selecting pure strip-shaped corn straws not requiring crushing as the raw material; when the corn straws are used as the raw material, cutting the corn straws into sections with length of 25 to 30cm; using mixed sawdust, wheat bran, corn flour and quick lime as auxiliary materials; bagging the sections of the corn straws and the auxiliary materials, and sterilizing, inoculating and cultivating to prepare a mushroom growth bag; and finally, carrying out cultivation management on the mushroom growth bag with matured physiology by a conventional method until the mushroom can be harvested and the harvesting process is completed. The method has the advantages that when the main raw material, namely the corn straws, is applied, the crushing is not needed, and the whole corn straw strip is used, so the investments of special facility equipment and labor for crushing the corn straws is reduced; a speed cycle for converting the corn straws by hypha is long, so the biological conversion efficiency is high, and economic benefits are very obvious.

The invention discloses a sweet potato or / and purple sweet potato ball and a making method thereof. The sweet potato or / and purple sweet potato ball comprises a wrapper and stuffing wrapped by the wrapper, wherein the wrapper is made of sweet potato or / and purple sweet potato wrapper material prepared by pulping sweet potato tubers or / and purple sweet potato tubers. The sweet potato or / and purple sweet potato ball is convenient to eat and has good taste. The stuffing which can be sweetened bean paste or other common stuffing in the prior art, is transported and stored in the way of being frozen at minus 18 DEG C and does not go bad. In the processing process of the sweet potato or / and purple sweet potato ball, most of cells of sweet potato tubers or / and purple sweet potato tubers are broken to release more free starch grains, thereby ensuring the complete utilization of nutrition constituents; and meanwhile, the cohesiveness of the sweet potato or / and purple sweet potato wrapper is increased, therefore the sweet potato or / and purple sweet potato ball can be shaped easily. According to the deep processing method and the finished product, the nutrition constituents of sweet potatoes or / and purple sweet potatoes can be maintained and completely used in the deep processing process and an eating process. The sweet potato or / and purple sweet potato ball has good taste and relatively improved edibleness and can be eaten as staple food; moreover, the value of sweet potatoes or / and purple sweet potatoes is improved; and therefore, the sweet potato or / and purple sweet potato ball has high marketable value.

A preparation method of bone charcoal powder with strong color fixation for preparing bone china, which relates to the technical field of bone charcoal powder production. The bone charcoal powder is preliminarily crushed, then degreased and degummed, and then the color is locked by salt water, and the color is fixed by the color fixing solution. It is obtained after washing, drying and grinding. The beneficial effects of the present invention are: the technological process of the present invention is simple, the technical method is reasonable and standardized, not only can normally prepare high-purity bone charcoal powder, but also ensures the blockage of its own chromaticity through immersion in salt water, and through cetyl chloride The mixture of pyridine, cetylpyridinium bromide and water is used to fix the color, which ensures a more balanced texture of the prepared bone charcoal powder, ensures a good raw material for the preparation of bone china, and solves the problem of poor color fixation of the traditionally prepared bone charcoal powder The problem is to ensure the whiteness of bone china, thereby enhancing the fineness and self-value of bone china.

The invention belongs to the technical field of preparation of antibacterial agents, and discloses a Chinese herbal medicine residue nano-cellulose antibacterial agent and a preparation method thereof. The preparation method comprises the steps of placing cooked Chinese herbal medicine residues in a disc mill for treatment; cleaning until the solution is clear; preparing a solution of multi-component cellulase at 195-210[mu] / mL to obtain a cellulase solution; utilizing cellulase 4U to obtain a polysaccharide enzyme solution; mixing slurry prepared from the Chinese herbal medicine residues withthe cellulase solution, and then conducting homogenizing treatment to prepare a nano-cellulose solution; adding the obtained nano-cellulose solution into the polysaccharide enzyme solution to obtaina nano-cellulose colloid, inactivating the nano-cellulose colloid, and storing the inactivated nano-cellulose colloid for later use; and using the obtained colloid as an antibacterial agent. Accordingto the invention, a pure mechanical method is adopted to treat the residues, so that dissolution of effective components is reduced; and the nano-cellulose can be effectively prepared by adopting theadoption of enzymatic treatment, more polysaccharides in the cellulose can be extracted by the enzymatic treatment after the nano-cellulose colloid is prepared and are stored in hydrosol, and an antibacterial effect is achieved.

The invention discloses feed for increasing the blood content of Chinese softshell turtles, and relates to the field of technologies for cultivating Chinese softshell turtles. The feed comprises 10-15 parts of shrimp shell meal, 10-15 parts of fly maggot powder, 10-15 parts of chicken meal, 8-15 parts of pig blood powder, 10-15 parts of colla corii asini, 5-8 parts of radix angelicae sinensis, 10-15 parts of rapeseed oil cake, 10-15 parts of radix astragali, 8-10 parts of fructus jujubae, 5-10 parts of radix codonopsis, 8-12 parts of fructus lycii, 6-10 parts of cortex eucommiae, 5-8 parts of eclipta alba, 10-15 parts of caulis polygoni multiflori, 5-10 parts of rhizoma gastrodiae, 10-15 parts of semen cuscutae, 8-10 parts of cinnamon, 8-10 parts of star anise, 10-15 parts of dry black fungi, 10-15 parts of rhizoma dioscoreae, 8-15 parts of pericarpium zanthoxyli, 8-15 parts of pumpkin seeds, 8-15 parts of folium mori, 20-30 parts of salt, 10-15 parts of sesame oil and an appropriate quantity of water. The feed has the advantages that the feed contains abundant traditional Chinese medicine components and has delicious taste, the Chinese softshell turtles can be cultivated by the aid of the feed in a refined manner, the blood content of the Chinese softshell turtles, nutritional components in the Chinese softshell turtles and medicinal value of the Chinese softshell turtles can be increased, accordingly, value of the Chinese softshell turtles can be increased, and income can be increased for Chinese softshell turtle farmers.

The invention relates to a method for producing black fungus by taking camellia oleifera shells as raw materials. The method specifically comprises the following main steps: preparing a culture medium consisting of camellia oleifera shells, weed tree sawdust, bran, sugar, lime and water; uniformly mixing and stirring the various raw materials to form a mixed material; then piling the mixed material to be fermented to a cultivation material for production; then bagging the cultivation material and sterilizing and inoculating the cultivation material and cultivating the bacteria and carrying out management to culture black fungus bags; and after opening holes on the black fungus bags to accelerate black fungus, managing black fungus discharge and harvesting the black fungus. By implementing the method provided by the invention, the camellia oleifera shells account for a proportion which is higher than 70% in the total raw material of cultivation. Meanwhile, the camellia oleifera shells which are abundant in resource are taken as the raw materials to cultivate black fungus, and the raw materials have an unending supply, so that not only are the camellia oleifera shells which are abundant in resource better developed and utilized to enhance the value of the camellia oleifera shells, but also forest resources and environments are protected, and therefore, the method is very significant.

The invention discloses a potato ball and a making method thereof. The potato ball consists of a wrapper and filling wrapped in the wrapper, and the wrapper is made of potato wrapper material which is pulped potato tuber. The potato ball is convenient to eat, and tastes good; meat filling or other filling which is common in the prior art can be adopted as the filling, and the potato ball cannot go bad when being transported and stored under less than 18 DEG C below. In the making method, most of the cells of potato can be broken, so that more free starch particles can be released, consequently, nutritional ingredients can be sufficiently utilized, and meanwhile, the viscosity of the wrapper material can be increased, so that the potato ball can be easily shaped. The intensive processing and the finished product ensure that when potato is intensively processed and eaten, the nutritional ingredients of potato can be kept and sufficiently utilized, the potato ball tastes good, the eating quality of the potato ball is relatively increased, the potato ball can be eaten as staple food, the inherent value of potato is increased, and thereby the potato ball has high market value.

The invention discloses a making method for an organic fertilizer for promoting the nutrient function of crops. The method comprises the steps: performing aerobiotic fermentation on the organic fertilizer, and enabling the pH of the organic fertilizer to be 7-8.5; aging the organic fertilizer after aerobiotic fermentation, when the moisture content of the organic fertilizer is lower than 30%, the temperature is lower than 40 DEG C, and the pH is in a range of 7-8.5, diluting 1-10 Kg of polyaspartic acid with water, regulating the pH to be between 8 and 9, and spraying the polyaspartic acid which is diluted into the organic fertilizer and stirring the sprayed polyaspartic acid and the organic fertilizer to be uniform, so that the moisture content of the organic fertilizer is increased by smaller than or equal to 2%; then standing and piling the organic fertilizer in which the diluted polyaspartic acid is sprayed for at least one day. According to the invention, the polyaspartic acid is added in the production technology of the organic fertilizer, so that the utilization of micro elements contained in the organic fertilizer and the fast-acting property are improved, and the value of the organic fertilizer is promoted.

The invention relates to a bag material cultivation method of black fungus. The cultivation material comprises 55-58% of corncob, 22-25% of saw dust, 13% of rice bran, 5% of corn flour, 1% of sugar and 1% of gypsum; and the proportion of the corncob in the total cultivation material is higher than 50%. By implementing the method disclosed by the invention, a large amount of the corncobs which arenot used at ordinary times and rich in resources can be greatly converted, the industrial chain is prolonged, the multi-stage value addition of the agricultural resources can be achieved, the additional value of the industry is increased, and the income of farmers is increased; the forest resources and the environment can be protected, and the method has great significance.

The invention discloses a novel disease-preventing feed for rapid breeding of improved breed turtles, which comprises white fish meal, houttuynia cordata, soybean meal, krill meal, euphorbia lunulata, corn protein powder, scallion leaves, beer yeast powder, water hyacinth, day lily, potamogeton crispus, earthworm powder, pork liver powder, cheese powder, sweet potato flour, schisandra chinensis, rehmannia glutinosa, smoked plum, angelica sinensis, wild chrysanthemum flowers, a phagostimulant and water. A bulky porous pellet feed is formed through continuous mixing, shearing, hardening and tempering, heating, pressurizing, curing, die hole extrusion and sudden pressure reduction. The houttuynia cordata contained in the feed disclosed by the invention has a very effective prevention and treatment effect on various diseases of turtles, and after the feed is puffed, the contents of bacteria, molds and fungi in the raw materials are reduced, the sanitary quality of the feed is improved, and a sterile and cured feed is provided for animal bodies.

The invention relates to the technical field of organic fertilizers, in particular to an ecological organic fertilizer for flower planting. The ecological organic fertilizer comprises the following components in parts by weight: 300-500 parts of animal manure, 50-70 parts of plant straw, 10-20 parts of vermiculite, 20-30 parts of wheat bran, 10-20 parts of humic acid and 15-25 parts of saw dust. Natural animal manure, plant straw, wheat bran and saw dust are used as raw materials; the raw materials are easily available, cost is low, the plant straw is reutilized and processed, thus the value of the plant straw is improved, waste is changed into treasure, and the problem that the environment is polluted by random combustion is solved. Humic acid is reasonably added, thus organic materials such as crop straw and wheat bran can be rapidly decomposed and fermented, meanwhile, and organic matter and macroelements and medium and trace elements needed in flowers are reserved to a maximum extent, the physical and chemical properties and the microbial environment of soil can be effectively improved, and needed nutrition can be brought to flowers.

The invention relates to a special green feed for breeding black-neck young turtles. The special green feed comprises extruded soybeans, beef liver powder, mussel powder, cuttlefish viscera powder, cottonseed cake meal, soybean cake meal, rape seed cake meal, hawthorn powder, a yeast extract, calcium hydrogen phosphate, vitamin B1 and vitamin B12. The feed is low in cost and high in nutritional value, fine breeding is conducted on turtles through the feed, and the cottonseed cake meal, the soybean cake meal and the rape seed cake meal in the components of the feed are matched for use, so that amino acid balance of the feed is facilitated. According to the present invention, bones of the turtles grow faster, have stronger absorption capacity and grow stronger, so that the value of the turtles is improved, and the income of turtle farmers is increased.

A magnetic field-strengthened Hangjin 2# soil-loaded nano-zero-valent iron method for removing pollutants in water, the composite magnetic material of Hangjin 2# soil-loaded nano-zero-valent iron is put into the polluted water in the complete mixing reactor, and the A magnetic field is applied around the mixing reactor, and the stirring is continued, and the composite magnetic material reacts quickly with pollutants, and the water body is purified. The invention is easy to use, does not consume any chemical substances, reduces the dose of chemicals, is green and energy-saving, and has good popularization and application value in actual water pollution control and restoration projects.

The invention relates to a method for handling producer gas tar, which is characterized in that: reducing the viscosity of I coke tar or II coke tar by heating, removing the moisture contained in I coke tar or II coke tar by air-blowing dehydrolyzing method; produing the coke and tar oil distillate by method of high temperature carbonization; adopting tar oil distillate to extract the mixing phenol; the significant effect of this invention is that it can produce modified components of coke, mixing phenol and fuel oil by low-temperature blowing, bubbling, de-watering, charring, alkali cleaning and acid cleaning the I coke tar or II coke tar which is hard to transport or deal with and can be easily contaminated. The invention not only solves the problems of environmental contamination brought by producer gas tar, but also improves the self-value of the producer gas tar and makes the precious hydroxybenzene resources put to effective utility.

The invention discloses a method for preparing high-purity silica fume and an application of the silica fume. The method comprises steps as follows: the silica fume is treated with a wet-process upgrading or pyrogenic-process upgrading method to obtain the high-purity silica fume with the content of silica not smaller than 95%. The method adopts a simple process and can effectively remove impurities in the silica fume and increase the whiteness and the content of silica, and the high-purity silica fume with the content of silica larger than 95% is obtained. The high-purity silica fume has higher additional value, can be applied to multiple fields and thus has great significance in sustainable development of the silicon industry.