53results about How to "Increase ash content" patented technology

The invention discloses a pulp-grinding method for improving fibre brooming, comprising the following steps: adding rigid filler to the pulp before grinding, and grinding after mixing the rigid filler and the pulp fibre, wherein the additive amount of the rigid filler accounts for 1%-30% of the total mass of the pulp; the rigid filler is any one or the mixture of several types of PCC, GCC, Talc, titanium pigment and bentonite of filler grade; and the rigid filler can also be fibrous mineral fibre. The adoption of the pulp-grinding method can improve devillicate brooming degree of the fibre, improve paper strength and interweaving, or can improve the ash content of paper and reduce fibre consumption under the condition of maintaining a considerable paper strength, and can reduce production cost and reduce the grinding energy consumption while protecting the environment.

The invention discloses a method for improving the ash content of paper-making process reconstituted tobaccos. The method includes the steps that after tobacco raw materials are extracted, solid-liquid separation is carried out, tobacco liquid is partially refined, concentrated and charged and then is manufactured into coating liquid, pulping treatment is partially conducted on the tobacco solid part, so that tobacco slurry fibers are obtained, CaCO3 is added into the tobacco slurry fibers, and the CaCO3 is filled into cell cavities of the tobacco slurry fibers through pits of the tobacco slurry fibers; afterwards, the tobacco slurry fibers and additional fiber slurry are mixed according to the weight ratio of 4 to 1, and then paper manufacturing with pulp is carried out to manufacture reconstituted tobacco sheets; the coating liquid is made to coat the reconstituted tobacco sheets, so that the paper-making process reconstituted tobaccos are manufactured. According to the method, the technology that the CaCO3 is filled into the cell cavities of the tobacco slurry fibers is applied to the preparation technology of the paper-making process reconstituted tobaccos, any chemical agent such as a high-molecular polymer is not added, and the purposes that the ash content is improved and meanwhile the strength performance of the paper-making process reconstituted tobacco sheets is improved can be achieved.

The invention provides a preparation method of low-ash high-property mesophase pitch. The method comprises the steps that the raw material coal tar is purified, a fraction is put into a reaction kettle, temperature programming and heat preservation are conducted in sequence, and purified coal tar pitch is obtained. The purified coal tar pitch and a co-carbonization agent are mixed, the mixture is added into a high pressure reactor, under certain pressure condition, the temperature is increased to a certain temperature, then heat preservation is conducted, and the mesophase pitch is obtained. According to the method, a series of physical methods such as gravity settlement centrifugation and circulating filtration are adopted to purify the coal tar, the very good effect of removing ash impurities is achieved, quinoline insoluble matter formed by mesophase is especially hindered, the content of the mesophase pitch ash is lower than 50 ppm, the content of mesophase reaches up to 100%, and carbon fibers with excellent properties can be prepared continuously; meanwhile, by mixing the pitch with the co-carbonization agent, the rheological property of the mesophase pitch is improved. Compared with a coal tar pitch purification process, the coal tar purification technology is simple, the cost is low, and the high-purity purified coal tar pitch can be obtained through preparation, so that the low-ash high-property mesophase pitch is obtained.

The invention discloses high-polymer easy plaster and belongs to the field of polymer waterproof mortar. The easy plaster comprises raw materials in parts by weight as follows: 30-50 parts of cement, 40-80 parts of quartz sand, 10-25 parts of ash calcium powder, 3-7 parts of polyvinyl alcohol and 2-4 parts of re-dispersible emulsion powder. The raw materials of the high-polymer easy plaster are simple and easy to obtain, and the product is environment-friendly, has excellent bonding strength, prominent impermeability, suitable setting time and water retention and alkali-resistant properties and the like and can be widely applied to permeability and damp resistance and waterproof plugging of positions such as internal and external walls, basements, swimming pools, toilets, water reservoirs and the like.

The invention relates to the technical field of paper making, and discloses an on-site coating and pre-flocculation modification method for a paper making filler. The method comprises the following steps: dispersing the filler in water to form a filler suspension; then adding a polyelectrolyte A solution into the filler suspension, and performing uniform mixing; adding a polyelectrolyte B solution, and performing uniform mixing; and finally, adding a polyelectrolyte C solution, and performing uniform mixing, wherein in the process, the particle surface of the filler is coated by a polyelectrolyte compound which is formed by the polyelectrolyte A and the polyelectrolyte B and has a bulk structure, and then, a larger coating and pre-flocculation body is formed between filler coating bodies under the action of the polyelectrolyte C. After the coating and pre-flocculation body is added into paper pulp for paper making, paper having higher ash content can be obtained; and meanwhile, the strength of the paper is maintained furthest.

The invention discloses a method for treating biomass gasified gas washing wastewater and for resource utilization of the wastewater treatment product. The method can effectively remove COD in the wastewater and reduce the concentration of organisms; the treated wastewater can be recycled or discharged up to standard; the wastewater treatment product serves as one of the raw materials to prepare coal water slurry. The method mainly comprises the following steps: (a) feeding the biomass gasified gas washing wastewater into a cyclone separator to remove the substances of which the densities are higher than that of water; (b) feeding the wastewater into an intermediate water tank, buffering the water quality, and reducing the water temperature to remove large-particle substances, and regulating the pH value of the wastewater; (c) feeding the wastewater into a coagulation sedimentation tank to remove fine-particle substances, colloidal substances and some of ammonia nitrogen; (d) feeding the wastewater into an activated carbon adsorption tower to remove most of the soluble organic substances; (e) feeding the wastewater into a clear water tank for recycling or discharging up to standard; (f) preparing coal water slurry by taking the adsorbed waste activated carbon as a raw material.

The invention discloses a continuous production method of a lithium ion battery negative electrode coating material. The method comprises the following steps: (1) raw material preheating: preheating araw material ethylene tar or ethylene residual oil in a raw material oil storage tank to 70-100 DEG C, and conveying the preheated raw material to a primary condensation preheater and a raw materialoil preheater by using a conveying pump, heating the raw materials to 140-170 DEG C by a primary condensation preheater, and heating the raw materials to 200-300 DEG C by a raw material oil preheater;(2) rectification: conveying the preheated raw materials into a rectifying tower through a conveying pump, and carrying out rectification treatment to obtain asphalt of which the softening point is less than 200 DEG C; (3) distillation: conveying the product into a short-path distiller by using a conveying pump, and obtaining asphalt with the softening point of more than 250 DEG C at a temperature of 320-400 DEG C and the absolute vacuum degree of -0.098 MPa; (4) filtering: melting and filtering the materials at high temperature, wherein the filtering precision is 520 microns; and (5) granulating and storing: granulating and storing the material obtained by filtering in the step (4).

The invention relates to the field of the preparation of nonmetallic materials, and provides a preparation method of a composite coal-based adsorbing material. The invention comprises the following steps of: using low-rank coal as raw materials, crushing the low-rank coal, sieving the crushed low-rank coal, adding a silicon aluminum cross-linking agent, and uniformly mixing the sieved low-rank coal and the silicon aluminum cross-linking agent, wherein the weight proportion of the low-rank coal to the silicon aluminum cross-linking agent is 100:(1-5); feeding uniformly mixed fine materials into a muffle furnace, under the effect of nitrogen protection, warming the fine materials to 400-500 DEG C, and maintaining the temperature for 30-45 minutes; enabling steam to be continuously led into the muffle furnace, raising temperature to 700-800 DEG C, maintaining the temperature for 45-60 minutes, and then naturally cooling the fine materials to a room temperature; and baking the cooled materials so as to obtain the composite coal-based activated carbon material. The preparation method disclosed by the invention is simple and easy to operate, the cost of the raw materials is low, and the operating cost is low; the prepared composite coal-based adsorbing material is good in adsorbability, and high in combustion activity, and the coal can be effectively recycled.

The invention relates to a high protein feed added with calcium for spotted-brown chickens at a brooding stage and a preparation method of the high protein feed. The high protein feed is characterized by consisting of the following raw materials in parts by weight: 110-120 parts of corn grits, 30-35 parts of rapeseed dregs, 10-13 parts of eucommia ulmoides leaves, 5.5-6.5 parts of rice bran oil, 3-3.2 parts of iodized salt, 10-12 parts of sugar-cane juice, 13-15 parts of dry powder of lotus roots, 15-17 parts of fresh pulp of suberect spatholobus stems, 6-6.5 parts of dry powder of stevia rebaudiana, 20-25 parts of fresh pulp of water hyacinth, 2-2.3 parts of garlic cloves, 10-12 parts of pyroligneous liquor, 30-35 parts of kattapillar, 5-7 parts of haw skin and 17-19 parts of loach powder. The high protein feed added with the calcium for the spotted-brown chickens at the brooding stage is refined according to the nutritional requirements of the chickens and the content of nutrient components of various raw materials; the high protein feed further contains functional components of flavone, chlorogenic acid, aucucompost bisexualn and the like, and a trace element, namely selenium, so that the high protein feed is a green selenium-rich feed.

The invention relates to a preparation method of hydrothermal melon seed shell activated carbon and belongs to the technical field of biochar adsorption materials. Melon seed shells are taken, subjected to ball milling and sieved, and ball-milled melon seed shell powder is obtained; the ball-milled melon seed shell powder is dried, and dried ball-milled powder is obtained; the dried ball-milled powder and hydrogen peroxide are put in a beaker and subjected to ultrasonic filtration, and modified ball-milled powder is obtained; the modified ball-milled powder is poured into a high-pressure reaction kettle, a potassium permanganate solution is added, the mixture is stirred, left to stand and cooled to the room temperature, and a modified mixed solution is obtained; the modified mixed solution is filtered, filter residues are poured into an acetone solution, taken out after being soaked and then washed with deionized water, and modified filter residues are obtained; macroporous adsorbent resin is taken and subjected to ball milling, macroporous adsorbent resin powder is obtained, the macroporous adsorbent resin powder and the modified filter residues are stirred in a stirrer, added to a blocky mold in a filling manner, put in a cooling chamber and then put in a freezing dryer to be freeze-dried, and a cured material is obtained; the cured material is put in a sintering furnace to be sintered, and the hydrothermal melon seed shell activated carbon is obtained.

The invention discloses a method for lowering bio-availability of Cu and Zn in pig manure based on the biomass pyrolysis technology. The method comprises the steps that pig manure and rice husks are dried in the sun and smashed to be screened by a 20-mesh sieve; the pig manure and the rice husks are mixed on the basis that the ratio is (1-3):(0-3) and placed into a drying oven under the temperature of 75 DEG C to be dried to constant weight; the mixture of the pig manure and the rice husks dried to the constant weight is placed into a crucible, compacted and covered with a lid, and then placed into a muffle furnace; the heating rate is 20 DEG C/min, the final temperature is 500 DEG C-700 DEG C, and the pyrolysis time is 2-6 h. The content of the effective state Cu and Zn in obtained charcoal under the pyrolysis condition and the rate thereof are remarkably lowered, the problem that resource utilization is obstructed due to the fact that the content of Cu and Zn in livestock manure is high is effectively solved, and the defects of livestock manure charcoal are overcome.

The invention discloses a method for preparing dissolving pulp from whole cotton stalks. The method comprises the steps of extracting hemicellulose and removing fat and waxy substances through pretreatment with organic alcohol and alkali; removing lignin and pulping through an organic alcohol assisted sulphate cooking method; and carrying out organic acid post-treatment to remove residual ash inorganic salt and the like. The method comprises the following steps: A, pretreating cotton stalks prepared before; B, stewing pretreated cotton stalk pulp by an ethanol-assisted sulfate method; C, carrying out organic acid post-treatment to remove residual ash; D, carrying out chelation treatment and bleaching. The method has the beneficial effects that with the organic alcohol assisted alkali pretreatment, organic alcohol improved sulfate stewing method and organic acid post-treatment process, the reaction conditions are mild, the temperature is low, the time is short and the production efficiency is high; the cotton stalk dissolving pulp has good performance, and the quality requirements of the dissolving pulp for viscose fiber are met; the content of alpha-cellulose is higher than 90%, the content of pentosan is less than 1.39%, and the ash content is less than 0.06%.

The invention relates to a manufacturing method of dried pteridium aquilinum. The manufacturing method comprises the following steps: selecting and harvesting fist-holding-shaped pteridium aquilinum with small folded pinniform leaves in good time, immediately soaking the selected and harvested pteridium aquilinum in an ascorbic acid solution, according to the weight percentage, uniformly mixing and boiling 99.665% of beer, 0.23% of citric acid, 0.08% of xanthan gum and 0.025% of BHA, purifying the pteridium aquilinum and cutting the root of the purified pteridium aquilinum, boiling the pteridium aquilinum in the boiled mixture, after boiling, rapidly removing water from the pteridium aquilinum, uniformly spreading table salt and edible baking soda on the surface of the pteridium aquilinum, kneading the pteridium aquilinum while the pteridium aquilinum is hot, after kneading, spreading out and airing the pteridium aquilinum, during the spreading and airing process, spreading out and kneading the pteridium aquilinum once every three days, when the water content of the pteridium aquilinum being as low as 18-20%, putting the pteridium aquilinum in an oven, and drying the pteridium aquilinum at 30-35 DEG C until that the water content is lower than 10%. With adoption of the manufacturing method, the finished dried pteridium aquilinum is dark brown, glossy, dry, elastic and excellent in swelling property and does not contain impurity; the leaf surface of the pteridium aquilinum is curly and wrinkled.

The invention belongs to the field of comprehensive utilization of crop straw resources, and particularly relates to a method for co-production of furfural and glue-free fiberboards by extracting xylose through steam explosion of reeds. The method comprises the following steps: (1) carrying out fracturing and sectioning; (2) carrying out winnowing; (3) after dilute acetic acid pretreatment, carrying out squeezing and dewatering, then carrying out steam explosion after the squeezing and dewatering, and washing materials after the steam explosion; (4) removing a water extract to a fractionatingtower, and separating formic acid, acetic acid and a furfural aqueous solution by electrodialysis; (5) carrying out microfiltration on a reducing sugar mixture after fermentation; (6) carrying out reverse osmosis; (7) obtaining the furfural; (8) obtaining a mixture containing solid cellulose, lignin and a small amount of hemicellulose, and carrying out drying after treatment; and (9) preparing theglue-free fiberboards. According to the method, the high-pressure steam explosion is adopted, so that the hemicellulose in the reeds is easily hydrolyzed into monosaccharide or oligosaccharide undera relatively low-temperature steam explosion condition, the steam explosion temperature is lowered, further degradation of pentose sugars such as xylose is reduced, and the utilization rate of the reeds is improved.

The invention relates to high-protein crude fiber feed for spotted-brown chicken in a brooding stage and a preparation method thereof. The high-protein crude fiber feed is characterized by being prepared from the following raw materials in parts by weight: 110-120 parts of corn grits, 30-35 parts of rapeseed dregs, 10-12 parts of high protein cottonseed meal, 10-12 parts of grape seed meal, 10-13 parts of eucommia ulmoides leaves, 25-27 parts of wheat bran, 20-25 parts of fresh milk, 3-3.2 parts of iodized salt, 18-20 parts of fresh beet pulp, 5.5-6.5 parts of soybean oil, 15-12 parts of sweet potato leaf dry powder, 2-2.3 parts of garlic cloves, 2-2.5 parts of wood vinegar and 5-7 parts of broad bean green leaf dry powder. The high-protein feed for the spotted-brown chicken in the brooding stage can reduce feed conversion ratio, fat percentage of abdomen, serum cholesterol, triglyceride and low density lipoprotein, increase proteins in muscles and ash content and reduce fat in the muscles and moisture content.

The invention discloses a preparation method of a mineral supplement preparation. The mineral supplement preparation comprises the following components in parts by weight of 15-30 parts of eggshell, 30-40 parts of soybean meal, 0.2-0.5 part of radix astragali, 0.1-0.4 part of folium isatidis, 10-18 parts of malaytea scurfpea fruits, 6-12 parts of collagen, 1-3 parts of zinc methionine, 1-3 parts of cupric glycinate, 1-3 parts of ferrous fumarate, 1-3 parts of selenium-enriched malt, 1-3 parts of polydextrose, 1-3 parts of complex vitamin B and 1-3 parts of vitamin C. The mineral supplement preparation disclosed by the invention has the beneficial effects that through microbe and enzyme glycolysis, substances of Chinese herbal medicine effective components, active peptide, vitamins, and thelike are effectively combined, so that the solubility and the absorptivity of minerals are obviously strengthened. The preparation can obviously promote organisms for absorbing minerals of calcium, selenium, ferrum and the like, the biological effectiveness is increased, skeleton formation and mineralization are promoted, the bone weight and the ash content are increased, and chronic diseases ofcardiovascular disease, diabetes, cataract and the like can be effectively prevented.

The invention discloses a method for improving the cultivation efficiency and quality of coriolus versicolor through intelligent management and cultivation. The method specifically comprises the following steps: (1) upgrading and optimizing a coriolus versicolor mother strain solid plate culture medium; (2) carrying out magnetic stirring type propagation culture on the coriolus versicolor liquid strain; (3) mulberry twig bag material optimization culture medium; (4) intelligent spawn running management; and (5) intelligent fruiting management. The culture room is monitored in real time and intelligently controlled through the mobile phone terminal, accurate control over the culture environment is achieved, the culture period of the obtained coriolus versicolor mycelia and sporocarps is short, and the biotransformation rate and the content of bioactive components such as polysaccharide and alkaloid are remarkably improved; the bag full time of hyphae is shortened to about 34 days; after the fungus bags are opened, the cultivation period of the coriolus versicolor sporocarp is shortened to about 73 days and is averagely shortened by about 10 days compared with the cultivation method in the prior art, the average absolute biological conversion rate can reach about 11.43%, the yield of the sporocarp is high, and the content of polysaccharide, polyphenol, alkaloid, ash and the like is remarkably increased.

The invention discloses a biomass gasification processor and a biomass gasification method. The biomass gasification processor comprises a shell, the shell comprises a reaction zone and an ash storagezone, the reaction zone is divided into a biomass pyrolysis zone and a tar conversion zone by a partition plate, the biomass pyrolysis zone is communicated with the tar conversion zone through the ash storage zone, a gas inlet is formed in the top of the biomass pyrolysis zone, and a gas outlet is formed in the top of the tar conversion zone. The biomass gasification method comprises the steps that biomass raw materials enter the gasification processor and react in the biomass pyrolysis zone, and high-temperature flue gas and biological semi-coke are obtained after reaction; and high-temperature flue gas enters the tar conversion zone after passing through the ash storage zone and is in contact with a filler filled in the tar conversion zone for reaction. According to the biomass gasification processor and the biomass gasification method, the tar and dust content of fuel gas can be reduced, and the gasification efficiency of raw materials can be improved.

The invention discloses a method for improving a wheat flour yield, and relates to the technical field of wheat flour processing. The method comprises the following steps of (1) removing impurities; (2) heat treatment; (3) microwave activation treatment; (4) wheat wetting treatment; and (5) grinding treatment. According to the method, wheat is subjected to a series of treatment, the performance ofwheat flour prepared by grinding is greatly improved, especially the wet gluten content is obviously increased, and the wheat flour is more suitable for steamed bun making through increasing the wetgluten content.