281results about How to "Caused by pollution" patented technology

The invention relates to a method for extracting high-quality soybean germ oil by using subcritical butane and relates to the field of grain fine and deep processing. The method comprises: cutting purified soybean germs into slices which are 0.3 to 0.4 millimeters thick; placing the slices in an extraction kettle; performing 1 to 5 times of countercurrent leaching of the cut soybean germs by using liquefied butane as a solvent, wherein the extraction time is 10 to 120 minutes, the material to liquid ratio is 1:(1-6), the extraction temperature is 10 to 90 DEG C, and the extraction pressure is0.2 to 0.1MPa; delivering extracted mixed oil and wet dregs into an evaporation system and desolventizing under reduced pressure; and subjecting the obtained soybean germ crude oil to normal winterization, alkali refining and decolorization processes to obtain a soybean germ oil product with high beta-sitosterol content. In the invention, the soybean germ oil is extracted by using subcritical butane, the manufacturing cost of equipment is reduced considerably, the operation cost is low, the production period is shorter, the yield is high, and the method represents a low-consumption and environment-friendly practical technique for producing soybean germ oil.

The invention relates to a method for preparing green seed curtain with water absorber, slow-release fertilizer and protector, wherein the method comprises that: the prector comprises 5-20% pesticide, 5-20% herbicide, 3-10% antimold, 1-5% diacid, 1-5% hydrazides, 0.01-0.1% crosslinker, and 40-84% porous adsorption material. The invention coats one adhesive layer on the degradable plastic film; compresses the fiber layer on it and holes; coats adhesive layer on it; sprays needed plant seed, protector, absorber, and slow-release fertilizer on it; compresses the fiber layer. The invention can reduce waste water discharge, high yield, etc.

The invention relates to a connector device for replenishing gas and liquid on the orbit. The connector device is used for replenishing gas and liquid for a target satellite by a service satellite on the orbit. The connector device comprises an active mechanism and a passive mechanism. The service satellite and the target satellite are positioned and conveniently separated through guide devices on respective butt-joint surfaces of the active mechanism and the passive mechanism, the service satellite and the target satellite are caused to move relative to each other through a drive mechanism having the axial spacing function, and the service satellite and the target satellite are locked through a positioning locking structure, so that the service satellite and the target satellite are guaranteed to be at fixed positions relative to each other in the on-orbit gas-liquid replenishing process. Through the measures, the efficiency of the on-orbit gas-liquid replenishing process is improved, and the safety of the on-orbit gas-liquid replenishing process is guaranteed.

The invention discloses a method of recovering an iron oxide from a fly ash and a gangue. The method adopts the process of grinding and roasting the fly ash and the gangue, the process of immersing and carbon dioxide decomposing the alumina, the process of acidizing and separating the silica and the process of obtaining iron oxide by the method of hydroxide precipitation. The purity of the iron oxide made by the method is high and the extraction rate of the iron oxide in the fly ash and the gangue can reach to 86 percent. The whole process is carried out under the pressure condition, so the method has low requirements to the equipment. The method solves the problems of land occupation and environment pollution caused by residue stacking after alumina extraction, also solves the problems of large amount of residue and low added value of the residue. The whole process realizes recycling of resources and can not cause new pollution to the surrounding environment.

The invention discloses a method for fixing pollutants in pollution source soil in abandoned mine fields and application thereof. The fixing method comprises the steps of loosening the soil, digging holes, adding modifier and fertilizer to balance the soil in the holes, planting energy trees in the soil in the holes, sowing pioneer grass seeds on the topsoil in the holes, and the like. The invention uses chemical modifier and fertilizer to modify the planting condition of the polluted soil in mine areas, then interplants pioneer grass, fast-growing energy trees and other plants to effectively fixe substances such as heavy metal pollutants in soil, avoid the pollutants from being discharged to downstream areas in the form of acidic mine waste water to pollute the environment and damaging the ecology.

The invention belongs to a composite material of degradable poly-methyl ethyl carbonic acid resin/natural mineral filling and the preparing method. It adopts the natural mineral as the filling, andthe carbonic acid resin as the basic body, smelts and commixes the filling and the basic body on the existent/nonexistent condition of the coupling agent to make the composite material. The weight percent content of the filling is 5-80%, the better filling 10-40%, and the basic-body material is heat-degraded to obtain the methyl ring carbonic-acid ethyl ester which can be used as organic agent.

The invention relates to a treatment method of middle-late stage attaching bases in shellfish seedling breeding, in particular to a method for treating the attaching bases (mesh sheets, red palm ropesand the like) of shellfish (scallops, mussels, arca inflata reeves and the like) by using the benthic diatom film method, thereby greatly improving the larval attaching rate and the metamorphosis rate. The method has convenient operation and can treat a large number of attaching bases. The treatment method and the attaching bases after treatment have no pollution and are safe and environment-friendly; more importantly, the seedling attaching effect is significantly better than the attaching bases treated by using the traditional method.

The invention discloses a sulfydryl cellulose type straw adsorbent. A preparation method comprises the following steps: (1) taking straws and washing; drying at 50 DEG C; adding concentrated sulfuric acid and heating; filtering after stirring; washing to be neutral; filtering again and drying at 60 DEG C for 24 hours to obtain a product A; putting ammonia water and epoxy chloropropane into a reaction container I and reacting at 60 DEG C for 4 hours; adding the product A into the reaction container I and adding NaOH; reacting at 110 DEG C for 8 hours; after the reaction, filtering and washing the product to be neutral; drying at 55 DEG C to obtain a product B; and (2) dissolving thiosemicarbazide into a reaction container II and adding the product B and glutaraldehyde; reacting at 90 DEG C for 5 hours; filtering and washing; and drying at 55 DEG C to obtain a target product. The preparation method is simple, has no pollution and has low cost; the prepared straw adsorbent has high separation and enriching efficiency and trace silver can be separated and enriched from a high-concentration copper-nickel solution; and the preparation method has no energy consumption, is energy-saving and environmentally friendly, has a wide applicable range, and has actual applicability.

The invention discloses beverage wine brewed by combining liquid state complete fermentation and solid state fermentation distillation and a manufacture method thereof. A combined method combining traditional fermentation distillation wine and complete liquid state fermentation wine is adopted for production, thereby solving the problems of no nutrition of liquor and no way of improving alcohol content and palatability of yellow rice wine. The beverage wine is produced mainly fitting for liquor consumers who have the consumer demands for low alcohol liquor on current markets, traditional distillation only can produce liquor with the alcohol content of 52-70 percent, lowering the alcohol content is only made by adding water into the liquor for dilution, therefore, the product has no nutrient substances, and the flavor of the original liquor is destroyed. The beverage wine brewed by adopting the combination of liquid state complete fermentation and solid state fermentation distillation is obtained by mutually blending distillation liquor and complete fermentation liquor according to the requirements, and has adjustable alcohol content of 19-45 percent; as the product keeps the complete nutrient substances during grains and microbe (enzyme) fermentation and transformation with fermentation original solution as the main body, not only contains nucleic acid, peptide, amino acid, vitamine, protein and various microelements but also keeps the flavor characteristics of Chinese traditional distillation liquor. The technology makes up the defects in production of prior traditional beverage wines, and is a breakthrough in the manufacture of the traditional beverage wines.

The invention relates to a method for adopting waste derivative oversize material as substitute for cement kiln fuel, which is characterized in that the domestic waste in refuse reclamation station is separated and sorted, broken in packages, crushed and completely stirred and mixed, one part of the waste enters a precombustion furnace in the kiln tail of a cement kiln for combustion, while the other part of the waste enters the cement kiln from the kiln hood for combustion, thus the substitute fuel for cement production is produced. The invention has the advantages that the waste derivative oversize material having calorific value is adopted to substitute for industrial fuel in the cement kiln, thus resources of waste derivative oversize material are fully utilized, and coal energy resources are saved; simultaneously the cement kiln has the characteristics of high temperature, large carrying capacity, no residue after waste treatment and no secondary pollution, therefore the invention has the great advantages of energy saving and environmental protection.

The invention discloses a method for detecting glucose by paper-based colorimetric assay. The method comprises the following steps: manufacturing a homemade colorimeter; designing a hydrophobic wax printing pattern; cutting a piece of filter paper; printing the hydrophobic wax printing pattern onto the filter paper; molding by dewaxing; preparing ZnFe2O4; preparing a mixed solution; dropwise adding the mixed solution into a detection pool; dropwise adding a solution to be tested; folding the paper in half; and detecting by the homemade colorimeter. The method for detecting the glucose is simple to operate, can be operated by unprofessional people, and is high in detection speed, low in cost, simple in aftertreatment and free from pollution.

The invention discloses a sludge drying incineration system based on a thermal power plant. The system comprises a sludge drying system and a sludge mixing incineration system, wherein the sludge drying system comprises a heat supply system, a feeding system, a paddle type sludge dryer, a dead steam treating system, a dead steam recycling system and a dried sludge collecting and handling system; and the sludge mixing incineration system comprises a dried sludge mixing system and a dried sludge incineration system. According to the sludge drying incineration system based on the thermal power plant, sludge is dried through high-temperature steam produced by a boiler of the thermal power plant; the dried sludge is incinerated and the resulting heat is used for producing steam; the whole process is free of pollutant; therefore, an effective way is actually developed for recycling the wastes and treating wastes with the wastes, the social and environmental benefits are obvious, and a feasible way is provided for harmless handling, reducing handling and recycling of sludge.

The invention discloses a microwave plasma based atmospheric pressure desorption ion source and application thereof. The ion source comprises a matrix part designed with a cylindrical tube cavity, a main regulating part of a tubular structure, a gas discharge tube and a microwave antenna, the main regulating part is mounted in the cylindrical tube cavity of the matrix part and used for regulating microwave coupling, the gas discharge tube is mounted in a tube cavity of the main regulating part, and the microwave antenna is mounted outside the gas discharge tube and used for applying microwave coupling to discharge gas inside the discharge tube. An ion source device of an atmospheric pressure desorption mass spectrometer is composed of the ion source and used for microwave plasma atmospheric pressure desorption mass spectrometry of to-be-tested samples, and the ion source has the extremely outstanding advantages of small needed power, small needed gas quantity, no need of toxic reagents, high plasma temperature, freeness of pollution to environment, easiness in operation, and the like.

The invention relates to a glutamic acid modified chitosan adsorbent as well as a preparation method and application thereof. The preparation method comprises the following steps: dissolving chitosan into an acetic acid solution, adding tetraethoxysilane (TEOS), carrying out stirring for 30 to 40 min, adding aqueous ammonia, carrying out stirring for 24 to 26 hours, carrying out suction filtering, washing with ethyl alcohol till the mixture is neutral, and carrying out vacuum drying to obtain CS-SiO2; mixing CS-SiO2 with the ethyl alcohol aqueous solution, adding epoxy chloropropane, carrying out refluxing at the temperature of 70 DEG C for 3 hours to obtain a product, cooling and filtering the product, washing the product with water and the ethyl alcohol, and drying the washed product to obtain an intermediate product I; and dissolving glutamic acid into a sodium carbonate solution, adding the intermediate product I, carrying out refluxing at the temperature of 80 DEG C for 24 hours to obtain a product, cooling and filtering the product, washing with distilled water till the product is neutral, and carrying out drying to obtain SiO2-CS-Glu. The adsorbent prepared based on the preparation method goes green, is environment-friendly, pollution-free and high in separation and enrichment efficiency, can avoid waste of rare earth resources, and is also applicable to selectively adsorbing scandium from a solution mixed with rare earth ions.

The invention discloses a method for preparing graphene through full liquid water phase physical stripping. The method comprises the following steps that (1) expanded graphite is soaked with water, and wetting soaking treatment is conducted; (2) the wetted and soaked expanded graphite is ground, and expanded graphite soaking liquid is obtained; (3) the expanded graphite soaking liquid is subjectedto high pressure homogeneity treatment, emulsification treatment and ultrahigh pressure critical treatment sequentially; and (4) standing is conducted till the liquid is layered, then spray drying isconducted, and graphene is obtained. The method adopts full liquid physical stripping, the solvent used in the method is water, so that the production process is energy-saving and environment-friendly; the raw materials used in the method are easy to get, no pollutants is generated in the preparation process, so that the preparation process is green and environmentally friendly, and cannot causeany pollution to the environment; the prepared graphene is intact in structure, contains a small amount of hydrophilic groups such as -OH, and has the good dispersing property; and graphene with different numbers of layers and specifications can be screened and prepared according to the requirement in different needed fields, so that graphene can be applied to different fields.

The invention provides a method for quantitatively detecting capsaicine. The method comprises the following steps of: acquiring optical data of the capsaicine in a sample by using a near-infrared spectrometer; correlating the optical data with content data of the capsaicine in the sample detected by a chemical analysis method; establishing a calibration model by a partial least squares method; and substituting the optical data of the capsaicine in a sample to be detected into the model to acquire the content of the capsaicine in the sample to be detected. A capsaicine quantitative analysis model established by the method has high accuracy, and can accurately and reliably predict the content of the capsaicine in an actual sample. The content of the capsaicine measured by a near-infrared spectrometer method and a result measured by the chemical analysis method do not have obvious differences; and by the method, the content of the capsaicine can be detected nondestructively.

The invention discloses a new method for generating methyl ketone by using palladium catalytic oxidized olefins. The method comprises the following step that: through taking an olefin compound as a raw material, taking air or oxygen as an oxidant, taking palladium acetate as a catalyst, taking benzoquinone and sodium nitrite as cocatalysts, and taking an acid as an initiator, the components are completely reacted in a reaction solvent so as to obtain a methyl ketone compound shown in formula (IV), (V) or (VI), wherein the structure of the olefin compound is shown in formula (I), (II) or (III). The method disclosed by the invention is mild in reaction conditions, high in efficiency and selectivity, and environment-friendly.