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Ecological restoration method for city watercourse
InactiveCN103882828AHas the ability to resist external interferenceEasy to viewWater resource protectionStream regulationEcological environmentRestoration method
The invention relates to an ecological restoration method for a city watercourse. The ecological restoration method for the city watercourse is characterized in that the polluted city watercourse is comprehensively restored with the combination of physical, biological and ecological technologies, the ecological theory is used for reference in the treatment process, the ecological idea is used as the guiding thought, a complex water ecosystem structure is constructed and restored, the original natural state of the watercourse is restored, the self-cleaning capacity of a river system is improved, the environment is beautified, and the local city microclimates are improved at the same time. The ecological restoration method mainly comprises the steps of (1) controlling a pollution source, (2) modifying the river bank, (3) optimizing the environment of the river bottom, (4) modifying the watercourse, (5) conducting aeration and oxygenation, (6) constructing an aquatic plant community, (7) constructing a fish and macrobenthos community, and (8) maintaining the system. The watercourse ecological system restored through the ecological restoration method has the certain anti-interference capacity, on the premise that a large amount of exogenous pollution is cut off, the certain-strength interference can be resisted, and the good ecological environmental effect is obtained. After one-time input, the better ecological benefit can be obtained only with a small number of maintenance costs.
Owner:深圳市益水生态科技有限公司
A benthonic animal-algae-aquatic plant-fish based river water ecological environment self-remediation method
ActiveCN105523637AControl quantityControl concentrationSustainable biological treatmentBiological water/sewage treatmentEcological environmentIndividual animal
The invention relates to a benthonic animal-algae-aquatic plant-fish based river water ecological environment self-remediation method. The method is to overcome problems of river water ecological environment remediation methods at present, namely short effect duration, high costs and easy generation of secondary pollution. The method includes 1) evaluating the degree of pollution of a river, 2) planting reed and seeding algae, 3) throwing in plankton and benthic mollusks, 4) planting submerged plants, 5) throwing in shrimps, herbivorous fishes, omnivore fishes and filter-feeding fishes, 6) throwing in carnivorous fishes, and 7) harvesting the reed and the submerged plants before the reed and the submerged plants die, catching the benthic mollusks and the shrimps, and catching the fishes after two years. The method is long in effect duration, low in cost and free of secondary pollution and is applied for the field of river water pollution remediation.
Owner:JIAYING UNIV
Fortified collapse proof well drilling liquid
InactiveCN1903973AImprove rheologyEnhanced inhibitory effectFlushingDrilling compositionSodium BentonitePolyacrylamide
The present invention relates to an enhanced anti-caving drilling fluid for safely drilling in saline bed and caving ground. Said drilling fluid composition includes (by weight portion) 4-6 portions of bentonite, 0.3-0.4 portion of hydrolyzed polyacrylamide potassium salt, 1-1.2 portions of methyl polyacrylamide calcium salt; 1.5-2 portions of valchovite, 2-3 portions of sulfonated lignite, 2-4 portions of asphalt blocking agent, 6-8 portions of Kcl, 0.4 portion of CaO, 1-1.2 portions of organosilicon alcohol and 100 portions of water.
Owner:西部钻探吐哈钻井公司
Plant source biological composition and preparation method thereof as well as application of plant source biological composition to prevention and treatment of green onion maggots
The invention relates to the technical field of agricultural insecticides and particularly relates to a plant source biological composition. The plant source biological composition contains alcohol extracts of pachyrrhyizus erosus stems and leaves and herba ranunculi japonici, and abamectin medicine residues. The invention provides application of the plant source biological composition to prevention and treatment of green onion maggots. After screening tests for many years, a granule plant source pesticide, which is prepared by adding the alcohol extracting liquid of the pachyrrhyizus erosus stems and leaves and herba ranunculi japonicai into the abamectin medicine residues, has an obvious effect on preventing and treating the green onion maggots and lasts for a long period; in a whole growth season of green onions, a chemical pesticide does not need to be used for preventing and treating; the plant source biological composition has the effect of a fertilizer and has no pollution and no residues; and the raw materials are very cheap and are easily available so that the market prospect is wide.
Owner:INST OF PLANT PROTECTION SHANDONG ACAD OF AGRI SCI
Drinking system
ActiveUS9090395B2Easily transportReduce transportation costBottlesClosure with auxillary devicesBiomedical engineeringBottle
A drinking system includes a drinking bottle provided with an outflow opening, a storage tube, and a dose container. The storage tube holds a stock of additive for use in the dose container holding a dose of additive in the outflowing beverage when beverage is drunk from the drinking bottle. The storage tube and dose container are, as alternatives, receivable in the drinking bottle via the outflow opening.
Owner:HYDRAVIT
Soilless culture matrix
InactiveCN105830886ACorrosion resistanceReduce operating costsGrowth substratesCulture mediaInsect diseaseEnvironment of Albania
The invention provides a soilless culture matrix using coconut dusts as the main components; the soilless culture matrix can better simulate soil environment, can reduce fertilizer application amount, and can control insect diseases, thus further improving crop yield; the matrix comprises the following content: the soilless culture matrix comprises coconut dusts, and the coconut dusts are applied after being washed and desalted, wherein the EC value is smaller than 0.5mS / cm. The matrix uses coconut dusts as the main components of the matrix, thus artificially building the excellent rhizosphere environment replacing a soil environment and suitable for crop growth, and fully satisfying crop needs on mineral nutrition, moisture and gas environment conditions; the coconut dusts are washed and desalted so as to have the EC value smaller than 0.5S / cm, and applied, thus fully utilizing coconut dusts self special substance components, effectively promoting crop self nutrient composition accumulation, and further obtaining high-quality cultivation usage effect when compared with existing technology.
Owner:BINCHUAN HUAQIAOZHUANGYUAN AGRI TECH DEV CO LTD
Method for performing surface treatment on material for boosting cell growth and resisting biological pollution
InactiveCN102743788AChange natureReaction condition controlCoatingsCell-Extracellular MatrixPolyethylene glycol
The invention discloses a method for performing surface treatment on a material for boosting cell growth and resisting biological pollution, which comprises the following steps: firstly, performing activating treatment on a material surface, and performing surface self-assembly reaction; and then fixing amphoteric-ion molecules and polyethylene glycol molecules with the characteristics of resisting biological pollution and extracellular matrix proteins or albumen polypeptides for boosting cell growth on the material surface in turn, thereby obtaining a material with the characteristics of boosting cell growth and resisting biological pollution. By performing surface treatment on the material according to the method provided by the invention, the material surface is simultaneously endowed with the capabilities of resisting biological pollution and boosting cell growth. The method is applied to the fields of biological materials, tissue engineering, nanometer material research, and the like.
Owner:HUAIYIN INSTITUTE OF TECHNOLOGY
Anode material of lithium-ion cell
The invention relates to the technical field of lithium-ion cells, and in particular relates to a positive pole material of a lithium-ion cell and a preparation method of the positive pole material. The positive pole material comprises the following components in percentage by weight: 96.5-98.6% of lithium cobalt oxide, 0.8-2.0% of a binding agent and 0.6-1.5% of a carbon fiber tube. According to the preparation method, the carbon nano tube is used as a conductive agent, the use addition amount of the conductive agent is reduced, the preparation is simple, the performance of a prepared product is stable, particularly the specific capacity is high, and the positive pole material is suitable for requirements of high specific capacity of the battery in modern portable electrical equipment.
Owner:DONGGUAN ADF BATTERY
Biological organic-inorganic large-particle fertilizer and preparation method thereof
InactiveCN106083448AEfficient use ofConvenience, Quantitative and Accurate ApplicationNitrogenous fertilisersOrganic fertilisersLivestock manurePhosphate
The invention relates to a long-acting biological organic-inorganic super-large-particle compound fertilizer and a preparation method thereof. The preparation method comprises the steps of: preparing a powdery bulk blended fertilizer by using a commercially-available organic fertilizer or decomposed livestock manure, bacillus polymyxa powder and a long-acting slow-release nitrogen phosphorus fertilizer as raw materials; adding a synergist A, an adsorbent B and an energy substance C into the powdery bulk blended fertilizer; and performing tabletting in a fertilizer extruding machine to prepare the large-particle biological organic-inorganic compound fertilizer in an extrusion state. The long-acting biological organic-inorganic super-large-particle compound fertilizer provided by the invention is prepared by mixing a long-acting compound fertilizer, which is obtained through a reaction of a formaldehyde solution, urea and potassium dihydrogen phosphate, with the commercially-available organic fertilizer and the bacillus powder according to a different proportion, and then extruding the mixture into particles, and is a fertilizer which is capable of not only improving physical and chemical properties of soil but also realizing slow release of nutrients and protecting microbial activity and is convenient to apply and accurate in quantification.
Owner:SHANDONG AGRICULTURAL UNIVERSITY
Simple method for fast extracting human fecal bacterium DNA
The invention discloses a simple method for fast extracting human fecal bacterium DNA. The simple method sequentially includes the following steps that hot-cold rupturing treatment is carried out on a human fecal sample to rupture cells; the DNA is captured through AMPure XP magnetic bead liquid; magnetic force adsorption of magnetic beads and a magnetic separation frame is used for removing impurities and purifying the DNA. According to the extracting method, as a physical method (liquid nitrogen freeze thawing) and magnetic bead purification are organically combined, one operator can extract about 100 samples at the same time within one hour, which has great significance in comprehensively and fast researching people group intestinal floras and related disease occurrence mechanisms.
Owner:HANGZHOU GUHE INFORMATION TECH CO LTD
Cement kiln denitration discharge method
ActiveCN111841322AReduce equipment investmentExtended run timeGas treatmentDispersed particle separationPtru catalystThermodynamics
The invention discloses a cement kiln denitration discharge method. A preheater system, a kiln tail smoke exhaust pipeline, smoke treatment equipment, a high-temperature fan and a kiln tail dust collector of an existing dry-method cement kiln are utilized. The method comprises adding a catalyst into kiln tail flue gas at an outlet of the preheater system, after the catalyst and the flue gas are mixed, catalyzing the flue gas containing the reducing agent and the nitric oxide to be subjected to a denitration reaction, collecting the catalyst at a kiln tail dust collector, making the catalyst and the raw material pass through a raw material elevator and enter into a preheater system, catalyzing the flue gas containing the reducing agent and the nitric oxide to be subjected to the denitrationreaction, wherein the reducing agent is an ammonia compound or an amine compound, and adding at a reducing agent filling point newly arranged on the preheater or adding by utilizing an existing SNCRsystem. The invention has the characteristics of low investment, low operation cost, no blockage, no poisoning, high reliability and the like.
Owner:安徽萃智环保科技有限公司
Cross arm for wire pole wiring
InactiveCN103821402AReduce weightSimple structureTowersGlass/slag layered productsDielectricGlass fiber
The invention discloses a cross arm for wire pole wiring. The cross arm comprises a cross arm supporting layer, glass fibers, a waterproof foamed plastic resistance body filled in the cross arm supporting layer, a first uvioresistant layer and a second uvioresistant layer, the first uvioresistant layer and the second uvioresistant layer are coated on the cross arm supporting layer, the glass fibers are continuously wound on the cross arm supporting layer to form a square tubular object, and the waterproof foamed plastic resistance body filled in the cross arm supporting layer is identical with the glass fibers in dielectric factor to be used as equipment on a wire pole of an overhead power system to support load. By combining multiple insulating materials, the cross arm is enabled to be light in weight and have effect of being resistant to environmental aging and polluting, so that wiring safety and power supply reliability are improved.
Owner:吴新平
Process for preparing red benzimidazoleone pigments
The preparation process of red benzimidazolone pigment includes four steps of diazotization reaction of substituting aryl amine, the coupling reaction between diazotate and 5-[2'-hydroxy-3'-naphthylbenzoyl] amino benzimidazolone, pigment treatment, and pigment surface treatment. The present invention uses little organic solvent, and has less environmental pollution and low solvent recovering cost.
Owner:SHANGYU SHUNLIAN CHEM
Silane treating agent and preparation method thereof
InactiveCN107326354AEasy to makeImprove performanceMetallic material coating processesMolybdateSilanes
The invention discloses a silane treating agent and a preparation method thereof. The silane treating agent comprises, by weight, 2-5 parts of a silane coupling agent, 2-5 parts of phytic acid, 8-14 parts of nitrate, 4-7 parts of molybdate and 70-100 parts of water. The silane treating agent prepared through the method has the beneficial effects of being stable in performance and free of poison and pollution. After the silane treating agent prepared through the method is utilized for treating a metal workpiece, a film layer formed on the metal surface has the beneficial effects of being excellent in adhesive force, compact, uniform and low in polarization current density. The defects of existing metal surface pretreatment are overcome, and therefore the silane treating agent can be applied to metal surface pretreatment better.
Owner:浙江裕辉新材料科技有限公司
Preparation method of polytetrafluoroethylene rubber roller
ActiveCN103382961BPollutionImprove anti-corrosion performanceShaft and bearingsPapermakingSize ratio
The invention relates to a production method of PTFE (Poly Tetra Fluoro Ethylene) rubber rollers. The production method comprises the following steps of enabling PTFE resin fine powder to be produced into a blank and placing the blank into a constant temperature furnace; placing the PTFE blank into a sintering furnace; enabling the outer shape, the inner shape and the size of the blank which is taken out to meet the needs of the rubber roller through machining, enabling a steel core of the rubber roller to be machined into a metal core rod and enabling the inner diameter of the blank and the outer diameter of the steel core to be machined according to the size ratio; enabling the size well-processed blank to be uniformly baked under the high temperature, enabling the blank to sleeve the well machined steel core directly after the blank is taken out, enabling the blank to sleeve the steel core firmly in an oil pressure pushing and squeezing mode and then cooling; enabling the steel molding blank which is cooled into the normal temperature to be machined into the various types of rubber rollers according to the figure. The PTFE rubber rollers have the advantages of overcoming the defects that the traditional rubber rollers are short in service life, easy to age and the like, greatly reducing the production cost of rubber roller users and being particularly suitable for industries of papermaking, galvanization, pickling and the like.
Owner:浙江宁奇环保材料科技有限公司
Nutrient material used for municipal engineering green planting soil and preparation method and application of nutrient material
The invention provides a nutrient material used for municipal engineering green planting soil and a preparation method and application. The nutrient material is prepared from, by weight, soil, peat soil, nitrogen-fixing bacteria, organic-matter-decomposing flora, fibrous frameworks, humic acid, trichoderma viride and nutrient solutions. The preparation method comprises the following specific steps: 1, using appropriate culture media for culturing various types of microbial flora respectively; 2, preparing the nutrient solutions; 3, adding the nutrient solutions to the soil, the peat soil, the fibrous frameworks and the humic acid of the corresponding matching ratio according to the matching ratio, and adding the organic-matter-decomposing flora, nitrogen-fixing bacteria thallus and trichoderma viride thallus. The invention further provides the application field of the nutrient material, and the nutrient material is mainly applied to engineering greening or plant plantation. By means of the nutrient material used for the municipal engineering green planting soil and the preparation method and application, the problems that a nutrient material cannot improve the soil porosity, and the nutrient material does not display good compatibility and friendly characteristics with other added nutrient substances as well are solved.
Owner:GUANGDONG PROVINCIAL ARCHITECTURAL ENG MACHINERY CONSTR
Permanent waterproof plate and gusset plate thereof
InactiveCN1963107AImprove waterproof performanceNo water seepage problemRoof covering using slabs/sheetsGusset plateThermal expansion
The name of the invention is waterproof board which is water resistant forever and its buckle; it belongs to roofing waterproof materials technology field. It resolves the problems of the life of prior waterproof materials is short caused by the heat and cold swell-shrink character and the subsidence movement of roofing and the easy aging of material. Its main characteristics are: a permanent water-resistant plate comprising of rectangular plane waterproof plate made by permeability material, the edge of the plane waterproof plate is equipped with downward concave buckle seat and concave groove; the buckle which connects the edges of the water-resistant plate comprises buckle face plate, the buckle face plate is equipped with two parallel pins below; the buckle which connects the four angles of water-resistant plate comprises surface plate, the lower angles of the face plate are equipped with four pins in right angle; the buckle which connects the angle and edge of water-resistant plate comprises buckle face plate, the lower of buckle face plate is equipped with three pins, two of them are parallel and vertical with the third pin. The invention is used for construction waterproofing mainly.
Owner:张秀明
Environment-friendly brick for buildings and preparation method of environment-friendly brick
InactiveCN107298566AEnvironmentally pollutingHigh processing costsSolid waste managementIndustrial wasteScrap
The invention discloses an environment-friendly brick for buildings, and a preparation method of the environment-friendly brick. The environment-friendly brick for buildings is prepared from the following components in parts by weight: 40 to 80 parts of coal ash, 20 to 35 parts of furnace ash, 10 to 22 parts of lime, 8 to 16 parts of waste road surface asphalt mixed material, 5 to 15 parts of steel material polishing waste residues, 10 to 30 parts of paper-making white mud, 10 to 20 parts of activated sludge dry powder, 15 to 30 parts of iron tailing sand, 5 to 15 parts of waste granite and 20 to 40 parts of water. Compared with the prior art, the environment-friendly brick for buildings mainly adopts industrial waste as raw materials, is favorable for reducing environmental pollution caused by the industrial waste, and can reuse the waste and save raw material resources.
Owner:安徽筑园景新型建材科技有限公司
Cadmium-reducing biological modified ceramsite and preparation method thereof
ActiveCN113106083APollution controlGood adhesionBacteriaOther chemical processesBiotechnologyMicrobiology
The invention discloses cadmium-reducing biological modified ceramsite and a preparation method thereof, and the preparation method comprises the following steps: soaking ceramsite in a 1.5-2.5% glutaraldehyde solution, washing with water, sterilizing, and drying to obtain sterile ceramsite; preparing a bacterial suspension I of a cadmium-resistant functional strain with the concentration of more than or equal to 1*10 <8> CFU / mL, centrifuging the bacterial suspension I, discarding a supernate, and adding normal saline into a thallus precipitate to re-suspend the thallus to form a bacterial suspension II with the OD of 0.9-1.1; mixing the sterile ceramsite with the bacterial suspension II, oscillating and drying; mixing the dried ceramsite with the bacterial suspension II again, shaking, and drying; and obtaining the cadmium-reducing biological modified ceramsite. The method can be used for treating the cadmium pollution problem in the water body, and meanwhile has the potential of repairing the cadmium pollution problem in the soil.
Owner:ZHEJIANG UNIV
Teflon rubber covered roller
The invention relates to an industrial rubber covered roller. A teflon rubber covered roller comprises a roller body and a metal core rod. The roller body employs a cylindrical sleeve pipe made from a teflon material and with a wall thick of 10-100 mm. The metal core rod passes through the sleeve pipe and is fixed with the sleeve pipe; and two ends of the core rod are respectively provided with a shaft head. The rubber covered roller provided by the invention can be widely applied to the industries of chemistry, smelting and printing, overcomes disadvantages of a traditional rubber covered roller, such as short usage life and easy ageing, and substantially reduces production cost for the enterprises using the rubber covered roller, especially for industries like papermaking, galvanizing and pickling, etc. Accordingly, as a product with merits of energy saving, consumption reduction and high performance, the teflon rubber covered roller has promising market prospects.
Owner:浙江宁奇环保材料科技有限公司
Method for preparing oxidization-resisting biological oil by taking waste poplar powder as raw material
InactiveCN108441248APollutionLow costLiquid hydrocarbon mixture productionHydrocarbon oils treatmentReaction temperatureEvaporation
The invention relates to a method for preparing oxidization-resisting biological oil by taking waste poplar powder as a raw material and belongs to the technical field of biomass utilization. According to the method provided by the invention, waste poplar produced in an industrial processing process is used as the raw material and is liquefied to obtain the biological oil. Equipment for liquefaction is an intermittent type reaction kettle; a liquefaction solvent is water; the reaction temperature is 220 to 280 DEG C and heat insulation is carried out for 30min; a liquefaction product is subjected to filtering, leaching, extraction and rotary evaporation to obtain the biological oil. The method provided by the invention realizes effective utilization of the waste poplar powder in the industrial processing process and an operation method is simple; meanwhile, a liquefaction condition is that the water is used as the solvent so that environment protection is facilitated. A biological oilproduct produced by the method has relatively strong oxidization resistance and the removing rate of free radicals reaches 90.85 percent at maximum; the method has a good application prospect.
Owner:BEIJING FORESTRY UNIVERSITY
Silk screen printing type multilocus enzyme electrode and preparation method and application of silk screen printing type multilocus enzyme electrode
InactiveCN104535634AGood analytical ability and anti-interference abilityEasy to makeMaterial electrochemical variablesEnzyme electrodePolymer
The invention discloses a silk screen printing type multilocus enzyme electrode and a preparation method and application of the silk screen printing type multilocus enzyme electrode. The silk screen printing type multilocus enzyme electrode comprises a base electrode, wherein enzymes are fixed to multiple positions on the surface of the base electrode, the base electrode is a silk screen printing electrode, and the enzymes are oxidizing enzymes. By means of the enzyme electrode, osmium polymers are fixed to the four-position electrode through glutaraldehyde and BSA crosslinking by analyzing phenolic substances through the combination of various types of oxidizing enzymes after the osmium polymers are mixed with HRP and laccase, H2O2 is added for assistance, phenolic compounds which commonly and strongly react to the two enzymes are detected, and the good analysis capacity and the good anti-interference capacity are provided for the phenolic compounds. The preparation method is simple, low in cost and simple in operation process, and the electron transferring speed between electrons and the enzymes is high; the more beneficial online long-term real-time detection environment is provided; the detection sensitivity of a biosensor is improved, the detection range of the biosensor is widened, and the detection result can be quicker and more accurate.
Owner:YANGTZE DELTA REGION INST OF TSINGHUA UNIV ZHEJIANG
Conducting UV wood coating and preparation method thereof
InactiveCN109337554ANo significant effect on tear strengthDoes not significantly affect tear strengthFireproof paintsAntifouling/underwater paintsFiberPolyester
The invention discloses a conducting UV wood coating and a preparation method thereof. The conducting UV wood coating is prepared from a preorder coating component and a follow-up coating component. The preorder coating component is a chitosan antibacterial gel and the follow-up coating component is prepared from the following components in percent by mass: an aqueous solution containing 15-20% unsaturated group polyether polyol, an aqueous solution containing 25-30% of unsaturated group polyester polyol, a closed isocyanate crosslinking agent, a defoamer, a vinyl triethoxy ethoxylsilane sealing agent, isopropyl myristate where 10% graphene is dissolved and a mixture extracted from cornu gorais and taking keratin and sterol as a main body. The follow-up coating component is then prepared by carrying out sealing with the vinyl triethoxy ethoxylsilane sealing agent in a saturated manner. The conducting UV wood coating is good in binding force with wood fibers, good in ultraviolet hardening effect, good in conductivity, high-temperature-resistant, wear-resistant and self-hydrophobic.
Owner:JIANGSU HIMONIA TECH
Lawn seed belt convenient for degradation
PendingCN108781600AInfluential impactAvoid spillingHops/wine cultivationTurf growingFluff pulpPulp and paper industry
The invention relates to a lawn seed belt convenient for degradation. The lawn seed belt comprises an upper fluff pulp belt and a lower fluff pulp belt, wherein glue is sprayed on the lower surface ofthe upper fluff pulp belt in an S shape, glue is sprayed on the upper surface of the lower fluff pulp belt in an S shape, and glue of the upper fluff pulp belt and glue of the lower fluff pulp belt are staggered with each other up and down; a seed mixture is evenly distributed between the upper fluff pulp belt and the lower fluff pulp belt, and comprises lawn seeds, high molecular water-absorbingparticles and fertilizers; and the upper fluff pulp belt is provided with a plurality of grass outlet holes. The lawn seed belt provided by the invention has the advantages of high seed survival rate, easy degradation of the seed belt and safe transportation.
Owner:杭州考拉之屋贸易有限公司
Safe and quality-improving yak slaughtering processing method
InactiveCN111587906AAlleviate transport stress responseImprove qualityElectric current slaughtering/stunningSplitting instrumentsBiotechnologyMicroorganism
The invention discloses a safe and quality-improving yak slaughtering processing method. According to the method, through an ozone water high-pressure spraying process, the microbial pollution on thesurface of a carcass, especially parts with poor high-pressure cleaning and bacterium reducing effects such as the neck, can be effectively reduced, and thereby the yak carcass food safety can be remarkably improved; the yak meat is tenderized through low-voltage electrical stimulation; and a weight of the yak rib eye beef is increased through a cutting mode, so that the eating quality and economic value of the yak meat are effectively improved.
Owner:INST OF ANIMAL SCI OF CHINESE ACAD OF AGRI SCI
Method for recovering, treating and closed-loop circulating waste water of papermaking
InactiveCN1110452CPollutionNot to mention pollutionPulp liquor regenerationWater/sewage treatment by flocculation/precipitationSludgeClosed loop
A closed cycle process for recovering and treating of waste water in paper-making features that all of the useful substances are physically and chemically recovered and fully used and the treated water takes part in closed cycle for reuse. Its advantages include less investment and operating cost and high return on investment. As compared with conventional chemical recovery process. Said process is only 1 / 8-1 / 15 of investment, 1 / 10-1 / 20 of operating cost, 1 / 10-1 / 15 of return years on investment.
Owner:王振声
All-weather fire and smoke real scene simulation training device
ActiveCN105225568BAchieve trainingCreate pollutionCosmonautic condition simulationsSimulatorsAutomatic controlCombustor
The invention discloses an all-weather fire and smoke real scene simulation training apparatus mainly used for simulating the phenomenon of combustion development of combustible matters in the air of a real fire scene, conducting researches on the development process of fires, training the reaction ability of fire-fighting personnel according to different fires, overcoming the fear, and putting out the fires accurately, effectively, and rapidly. According to the apparatus, various types of fire scenes can be simulated via the adjustment of the flow of solid combustible particles and combustible gas so that various simulation project trainings are realized; a host computer automatic control system is employed to perform safety protection and automatic record and analysis of training data; a combustor employs combustible gas as the fuel so that pollution to the surrounding environment is prevented; and an all-weather high-power automatic igniter is applicable to different weathers, and the training can be normally realized in weathers such as strong wind or heavy rain.
Owner:HEFEI EQUIP IND EQUIP
Green synthetic Fe3O4-PdO nanocomposite material, preparation method and application thereof
ActiveCN110227410AEasy to manufactureLow costOther chemical processesWater contaminantsArsenic pollutionPalladium
The invention relates to a green synthetic Fe3O4-PdO nanocomposite material. A eucalyptus leaf extracted liquid is used as the reductant to reduce iron and palladium bimetallic ions simultaneously, and then calcination is carried out to obtain the Fe3O4-PdO nanocomposite material. The Fe3O4-PdO nanocomposite material prepared by the invention can be used as a material for arsenic pollution remediation in water.
Owner:FUJIAN NORMAL UNIV
A plant-derived biological composition, its preparation method and its application in the prevention and treatment of onion maggots
The invention relates to the technical field of agricultural insecticides, in particular to a plant-derived biological composition, which contains alcohol extracts of potato stems and leaves, buttercups, and abamectin dregs. Application of plant-derived biological composition in the prevention and treatment of onion maggots. After many years of screening tests, the present invention finds that the botanical pesticides made of yam bean stems and leaves and ranunculus alcohol extracts and abamectin dregs to make granules have obvious effects on preventing and treating scallion maggots, and have a long lasting effect. There is no need to use chemical pesticides to prevent and control the whole growing season, and it has the effect of fertilizer, no pollution, no residue, the raw materials are very cheap and easy to get, and the market prospect is broad.
Owner:INST OF PLANT PROTECTION SHANDONG ACAD OF AGRI SCI
A method and device for naturally promoting maturation and sowing of subtidal eelgrass reproductive plants
ActiveCN105191780BLow costSowing realizedClimate change adaptationCultivating equipmentsSea grassRipening
Owner:INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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