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34results about How to "Rich ways to use" patented technology

Circular clean production method for yellow phosphorus with co-production of potassium salt, aluminium oxide, molecular sieve, blast furnace slag cement and architectural profile

The invention relates to a circular clean production method for yellow phosphorus with co-production of potassium salt, aluminium oxide, a molecular sieve, blast furnace slag cement and an architectural profile. The method comprises two lines: 1, replacing externally added silica by potassium feldspar, and preparing high quality yellow phosphorus with phosphorite and coke nuts by virtue of an electric heating method; quenching yellow phosphorus slag, dissolving out KAlO2, filtering the mixture, introducing CO2, and precipitating Al(OH)3 and preparing a first filtrate; and carrying out temperature-controlled conversion on Al(OH)3 to obtain Al2O3. and 2, uniformly mixing potassium feldspar and Na2CO3, calcining the mixture with yellow phosphorus tail gas, and the leaching the mixture by water, introducing CO2, precipitating a silica-alumina gel body and preparing a second filtrate. then the line is divide into four using paths: (1) crystallizing the first and second filtrates in a centralized manner and drying the first and second filtrates to prepare K2CO3 and Na2CO3, returning Na2CO3 to a line 2 to be recycled, and continuously processing K2CO3 to potassium salt such as KH2PO4 and K2SO4 and the like; (2) carrying out hydrothermal crystallization on the unprecipitated silica-alumina gel body and the filtrate to prepare a molecular sieve; (3) preparing slag cement by the silica-alumina gel body and yellow phosphorus slag; and (4) preparing the architectural profile by the silica-alumina gel body and yellow phosphorus slag.
Owner:黄钰雪

Preparation method of agaricus bisporus low-salt soybean sauce

The invention provides a preparation method of an agaricus bisporus low-salt soybean sauce. The preparation method comprises the following steps of putting soybeans after being subjected to cleaning and impurity removal into room-temperature water, performing soaking, and performing draining; cooking the drained soybeans until the soybeans are completely cooked; sufficiently and uniformly stirringheated flour with the cooked soybeans when the flour is hot to obtain mixed materials; after the mixed materials are cooled, performing inoculation with aspergillus oryzae mother starters, and performing culturing until starter materials are yellowgreen so as to obtain finished starters; and taking agaricus bisporus powder or an extraction solution thereof, mixing the taken agaricus bisporus powder or the extraction solution thereof with the finished starters to obtain a mixture, putting the mixture into a fermenter for fermentation, wherein the fermentation period is 7-10 days, then adding microzyme and lactic acid bacteria, setting the temperature to be 35-40 DEG C, and continuing performing fermentation for 5-7 days so as to obtain the agaricus bisporus low-salt soybean sauce. According to the preparation method disclosed by the invention, a low-salt solid state fermentation method is adopted, the fermentation time is short, the fermentation temperature is high, growth of infectious microbes is not facilitated, the agaricus bisporus low-salt soybean sauce is safe to eat, the soybean sauce produced by the method has the advantages of being healthy, environmentally-friendly, lowin cost and short in production cycle, besides, the soybean sauce inherits the advantages of the agaricus bisporus, and the soybean sauce obtains favor of consumers.
Owner:SHANGHAI INST OF TECH

Method and system for hydrogen production and electricity production by two-step thermochemical cycle decomposition of water

The invention belongs to the related technical field of new energy utilization, and discloses a method and a system for hydrogen production and electricity production by two-step thermochemical cycledecomposition of water. The method comprises the following steps: S1, carrying out a two-step thermochemical cycle water decomposition hydrogen production reaction which comprises two steps: 1, carrying out an endothermic reduction reaction on zinc oxide by using solar energy to obtain oxygen and zinc vapor, and 2, carrying out a water decomposition reaction by using zinc and water vapor to obtainhydrogen, zinc oxide and heat energy; and s2, enabling the oxygen in the first-step endothermic reduction reaction and the hydrogen obtained in the second-step hydrolysis reaction to be recycled andfed into a fuel cell for power generation, and therefore recycling of the oxygen and the hydrogen and conversion from solar energy to electric energy are achieved; and recycling the heat energy obtained in the hydrolysis reaction in the second step for electrolyzing water to generate hydrogen and oxygen, so as to realize the preparation of hydrogen. According to the invention, stable electric energy and high-purity hydrogen are obtained.
Owner:HUAZHONG UNIV OF SCI & TECH

Recycling and clean production method for preparing yellow phosphorus, sylvite, aluminum oxide, molecular sieves, slag cement and architectural profiles through potassium-bearing phosphorite

The invention relates to a recycling and clean production method for preparing yellow phosphorus, sylvite, aluminum oxide, molecular sieves, slag cement and architectural profiles through potassium-bearing phosphorite. The method utilizes two routes, for the first route, high quality yellow phosphorus is produced by the potassium-bearing phosphorite and coke nuts through an electrothermal method, water quenching is conducted on yellow phosphorus slags, KAlO2 is dissolved out, filtration is conducted, CO2 is introduced, Al(OH)3 is settled, first filtrate is obtained, and the Al(OH)3 is converted through temperature control to obtain Al2O3. For the second route, orthoclase power and Na2CO3 are evenly mixed, roasting is conducted through yellow phosphorus tail gas, water leaching is conducted through water, the CO2 is introduced to settle out silicon-aluminum colloid, and second filtrate is obtained. Crystallization and drying are conducted on the first filtrate and the second filtrate, and K2CO3 and Na2CO3 are obtained. The Na2CO3 returns to the second route to be recycled. The content of K2O, Na2O, SiO2 and Al2O3 is adjusted for partial silicon-aluminum colloid which is not subjected to sedimentation and the filtrate, hydrothermal crystallization reaction is conducted, and the molecular sieves are obtained; settled silicon-aluminum colloid is mixed with the yellow phosphorus slags to prepare the slag cement and/or the architectural profiles.
Owner:黄钰雪

Preparation method of novel waste cooking oil based unsaturated polyester resin

The invention relates to a method for preparing novel unsaturated polyester resin from waste cooking oil. According to the preparation method, characteristics of waste cooking oil are fully utilized. Waste cooking oil which undergoes preliminary purification and glycerin are mixed in a high pressure reactor to carry out pre-esterification treatment so as to reduce acid value of waste cooking oil; the waste cooking oil which has undergone pre-esterification treatment reacts with glycerol to carry out an alcoholysis reaction so as to generate monoglyceride; monoglyceride reacts with maleic anhydride to generate monoglyceride maleic acid half ester; and finally monoglyceride maleic acid half ester is mixed with styrene to obtain the novel unsaturated polyester resin. The synthesized resin has advantages of unique structure, high rigidity, high hardness, high temperature resistance, nonflammability and good dimensional stability of a product. before curing, the resin is a viscous liquid with low molecular weight; and during molding process, the resin can flow, has plasticity, can be made into a certain shape and simultaneously undergoes a chemical reaction to be cross-linked and cured. The resin is suitable for various composite material molding technologies such as mould pressing, lamination, transfer molding, casting and the like.
Owner:WUHAN TEXTILE UNIV

Sand ginger and cordyceps militaris-containing sauce and preparation method thereof

The invention discloses a sand ginger and cordyceps militaris-containing sauce and a preparation method thereof. The sand ginger and cordyceps militaris-containing sauce is prepared by the method comprising the following steps: mixing residue powder extracted from sand ginger essential oil and residual mycoplasma powder obtained after collecting cultivated cordyceps militaris sporocarp so as to obtain a mixture, adding water according to the weight of 100-300% of the mixture, stirring uniformly and then sterilizing to obtain the sand ginger and cordyceps militaris-containing sauce, or adding a right amount of seasonings, stirring uniformly and then sterilizing to obtain the sand ginger and cordyceps militaris-containing sauce. The sand ginger and cordyceps militaris-containing sauce disclosed by the invention is nut-brown and uniform, is moderate in viscosity, has obvious fragrance of sand ginger and cordyceps militaris, does not have peculiar smell, has smooth taste, is spicy and delicious, and is rich in functional ingredients. The invention also discloses a preparation process of the sand ginger and cordyceps militaris-containing sauce, which is simple and feasible, easy to control in condition, and free of special expensive equipment. According to the invention, the comprehensive utilization of sand ginger and cordyceps militaris by-products is realized, and the deep development of medical and edible dual-purpose plants and fungi is better realized.
Owner:GUANGZHOU AOJIAN PERFUME

Recycled powder waste hydraulic pavement base material and preparation method

InactiveCN110963772AControl the number of cracksRich comprehensive utilizationRoad constructionWaste material
The invention discloses a recycled powder waste hydraulic pavement base material and a preparation method thereof. According to the novel pavement base material, a special stabilizer is adopted to modify and stabilize recycled powder produced by an asphalt mixing station, and a certain proportion of waste flash is made through doping, so that performance indexes such as mechanical properties of the material accord with those of a traditional pavement base material. According to the different mixing amounts of the stabilizer, the recycled powder and waste, the material can be selectively used for roads with different grades and different loads. The recycled powder is powdery waste generated by the production of an asphalt mixture mixing station, and about 40 kg of recycled powder can be generated when 1 ton of asphalt mixture is produced every time. At present, the road construction scale in China is huge, and traditional soil and gravel materials become scarce resources. The recycled powder and the waste are modified into the base material meeting engineering requirements by using the special stabilizer, so that the problem of sharp contradiction between supply and demand of traditional engineering materials is solved, and the waste can be recycled. Positive economic benefits, environmental protection benefits and social benefits can be generated for highway construction.
Owner:HENAN HIGHWAY ENG GROUP

Energy-saving and emission-reducing cutting cooling liquid and cleaning liquid comprehensive utilizing system and using method of system

The invention discloses an energy-saving and emission-reducing cutting cooling liquid and cleaning liquid comprehensive utilizing system and a using method of the system. The energy-saving and emission-reducing cutting cooling liquid and cleaning liquid comprehensive utilizing system comprises an alkaline ion water supplying device, a cleaning machine water tank, and a cleaning liquid treating device and a treatment liquid recovery water tank, wherein the alkaline ion water supplying device is connected with the cleaning machine water tank through a first water supplying pipeline; the cleaningmachine water tank is connected with the cleaning liquid treating device through a first water guide pipeline; water treated by the cleaning liquid treating device enters the treatment liquid recovery water tank through a second water guide pipeline; the treatment liquid recovery water tank is connected with the cleaning machine water tank through a second water supplying pipeline. In the scheme,alkaline ion water is adopted instead of ordinary tap water, so that the problems of rust and corrosion of workpieces easily caused by chloride ions in the tap water are solved effectively, and the workpiece quality is ensured; the used cleaning liquid can be recycled in combination with wastewater treatment, recycling and circulation pipelines, so that the water utilization rate is improved, theconsumption of the alkaline ion water is lowered, the wastewater discharge amount is reduced, the cleaning water cost is lowered, and the environmental friendliness is improved.
Owner:TAKAHASHI METAL MFG SUZHOU

Iron tailing gravel hydraulic pavement base material and preparation method thereof

The invention discloses an iron tailing gravel hydraulic pavement base material and a preparation method thereof. According to the novel pavement base material, a special curing agent is adopted to modify and cure iron tailings produced by mining of iron ore enterprises, and a certain proportion of gravels with a certain specification are blended, so that performance indexes such as mechanical properties of the novel pavement base material accord with those of a traditional pavement base material. According to different mixing amounts of a curing agent and different gradations of the tailingsand gravels, the iron tailing gravel hydraulic pavement base material can be selectively used for roads with different grades and different loads. The iron tailings are industrial solid wastes and arelarge in stockpiling amount; at present, China is still in the capital construction peak period, the road construction scale is huge, and traditional soil and gravel materials become scarce resources. The iron tailings are modified into the base material meeting engineering requirements by using a special curing agent, so that the problem of sharp contradiction between supply and demand of traditional engineering materials is solved, a large amount of the iron tailings can be consumed, social, economic, environmental and safety pressure brought by a tailings bank is reduced, the ore enterprises are assisted in building tailings-free mines, and industrial pains of iron mine enterprises are solved.
Owner:安徽省东润新材料科技有限公司

Improvement method and special equipment for iron-containing slag

The invention discloses a modification method of iron-containing slag and special equipment for the modification method. The method sequentially comprises the following steps: (1) spraying a mixture of a modifier and pulverized coal into a furnace hearth of a modification furnace so as to melt the modifier, and feeding the modifier in a high-temperature liquid state into the molten iron-containing slag; (2) adding a reducing agent into the slag and carrying out reduction on the slag so as to extract iron; (3) further spraying and blowing the mixture of the modifier and the pulverized coal into the furnace hearth of the modification furnace after the extraction of the iron and smelting the slag again. During the two modification processes, the mixture of the modifier and the pulverized coal is sprayed into the furnace hearth by virtue of two symmetric coal-fired vortex nozzles along a tangential direction of the furnace wall of the modification furnace, so that the modifier is molten in a heating manner and can be easily and evenly mixed with the molten slag; the modified slag can be directly used for preparing a high added-value product, so that the defects of the existing slag treatment and utilization mode which is simple, coarse, high in energy consumption and the like are avoided. The modification method disclosed by the invention has the characteristics of diversification of utilization mode, high utilization rate, good economic benefit, less environmental pollution and the like.
Owner:DATANG INT HIGH ALUMINA COAL R & D CENT

Circular clean production method for preparing yellow phosphorus, potassium salt, alumina, molecular sieve, slag cement and building profiles from potassium-containing phosphate rock

The invention relates to a recycling and clean production method for preparing yellow phosphorus, sylvite, aluminum oxide, molecular sieves, slag cement and architectural profiles through potassium-bearing phosphorite. The method utilizes two routes, for the first route, high quality yellow phosphorus is produced by the potassium-bearing phosphorite and coke nuts through an electrothermal method, water quenching is conducted on yellow phosphorus slags, KAlO2 is dissolved out, filtration is conducted, CO2 is introduced, Al(OH)3 is settled, first filtrate is obtained, and the Al(OH)3 is converted through temperature control to obtain Al2O3. For the second route, orthoclase power and Na2CO3 are evenly mixed, roasting is conducted through yellow phosphorus tail gas, water leaching is conducted through water, the CO2 is introduced to settle out silicon-aluminum colloid, and second filtrate is obtained. Crystallization and drying are conducted on the first filtrate and the second filtrate, and K2CO3 and Na2CO3 are obtained. The Na2CO3 returns to the second route to be recycled. The content of K2O, Na2O, SiO2 and Al2O3 is adjusted for partial silicon-aluminum colloid which is not subjected to sedimentation and the filtrate, hydrothermal crystallization reaction is conducted, and the molecular sieves are obtained; settled silicon-aluminum colloid is mixed with the yellow phosphorus slags to prepare the slag cement and / or the architectural profiles.
Owner:黄钰雪

Liquid volume reduction device and energy saving and emission reduction type machining water treatment system

The invention discloses a liquid volume reduction device and an energy saving and emission reduction type machining water treatment system, wherein the liquid volume reduction device comprises a liquid feed pipeline, the liquid feed pipeline is connected with a heating tank, the heating tank heats a liquid in the heating tank through a heater, the heating tank is further provided with a water pumping pipeline connected with a nozzle in an atomizing chamber, the atomizing chamber is connected with an exhaust fan, an air outlet of the exhaust fan is connected with the atmosphere. The scheme usesthe characteristic that liquids of different densities are layered, the waste liquid is heated, then the different substances are layered, the heated water on the lower layer is atomized and discharged, so that the quantity of water in the waste liquid is reduced, the volume of the waste liquid is efficiently reduced, the discharged vapor is directly blended into the atmosphere, no pollution is caused, meanwhile, not like discharging water directly, no extra pipeline needs to be configured to transport, the environmentally friendliness is good, the whole equipment is compact in structure andlow in energy consumption, and the effective implementation means is provided for the volume reduction of the liquid.
Owner:TAKAHASHI METAL MFG SUZHOU

Method for brewing mature vinegar by using cellulase system to decompose sorghum straw instead of auxiliary materials

The invention discloses a method for brewing mature vinegar by utilizing cellulase system decomposed sorghum straw for replacing an auxiliary material. Sorghum is used as a raw material, and is subjected to liquid thick-mash alcoholic fermentation; afterwards, a proper amount of cellulase system for intensifying beta-glucosidase and a saccharifying enzyme are added into wine mash; meanwhile, the particle of sorghum straw is uniformly mixed with bran according to a certain proportion; an obtained first mixture is used as the auxiliary material; afterwards, the wine mash is uniformly mixed with the auxiliary material; an obtained second mixture is used as acetic fermenting grains; solid-state acetic fermentation is started; afterwards, a mature vinegar finished product is obtained through grain smoking, vinegar spraying and aging. The method is a novel way for the high-efficiency utilization of the sorghum straw; the production process is simple; not only is the variety of the mature vinegar enriched and is the production cost greatly decreased at the same time by using the sorghum straw for replacing auxiliary materials of rice bran, rice husk and the like, but also the pressure brought to an environment due to the incineration of the sorghum straw is reduced; the utilization rate of a resource is effectively improved.
Owner:SHANXI ZILIN VINEGAR

A kind of preparation method of waste edible oil-based unsaturated polyester resin

The invention relates to a method for preparing novel unsaturated polyester resin from waste cooking oil. According to the preparation method, characteristics of waste cooking oil are fully utilized. Waste cooking oil which undergoes preliminary purification and glycerin are mixed in a high pressure reactor to carry out pre-esterification treatment so as to reduce acid value of waste cooking oil; the waste cooking oil which has undergone pre-esterification treatment reacts with glycerol to carry out an alcoholysis reaction so as to generate monoglyceride; monoglyceride reacts with maleic anhydride to generate monoglyceride maleic acid half ester; and finally monoglyceride maleic acid half ester is mixed with styrene to obtain the novel unsaturated polyester resin. The synthesized resin has advantages of unique structure, high rigidity, high hardness, high temperature resistance, nonflammability and good dimensional stability of a product. before curing, the resin is a viscous liquid with low molecular weight; and during molding process, the resin can flow, has plasticity, can be made into a certain shape and simultaneously undergoes a chemical reaction to be cross-linked and cured. The resin is suitable for various composite material molding technologies such as mould pressing, lamination, transfer molding, casting and the like.
Owner:WUHAN TEXTILE UNIV

CO2 resource utilization system and CO2 resource utilization method in household garbage treatment

The invention discloses a CO2 resource utilization system and a CO2 resource utilization method in household garbage treatment. The system comprises a pyrolysis unit, an energy-saving deacidifying unit, a gas purifying unit and a CO2 trapping unit, wherein the pyrolysis unit comprises a pyrolysis unit garbage inlet, a CO2-free pyrolysis gas inlet, a pyrolysis carbon outlet and a pyrolysis oil gas outlet; the energy-saving deacidifying unit comprises a pyrolysis oil gas inlet and a deacidified oil gas outlet; the pyrolysis oil gas inlet is connected with the pyrolysis oil gas outlet; the gas purifying unit comprises a deacidified oil gas inlet and a high-CO2 pyrolysis gas outlet; the CO2 trapping unit comprises a high-CO2 pyrolysis gas inlet and a CO2-free pyrolysis gas outlet; the CO2-free pyrolysis gas outlet is connected with the CO2-free pyrolysis gas inlet; and the high-CO2 pyrolysis gas inlet is connected with the high-CO2 pyrolysis gas outlet. According to the CO2 resource utilization system and the CO2 resource utilization method, high-concentration CO2 is separated from the raw material pyrolysis gas, graphene is prepared by a CO2 converter at certain temperature and under certain pressure, the heat value of the pyrolysis gas is increased, and the CO2 resource utilization is realized.
Owner:SHENWU TECH GRP CO LTD
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