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270results about How to "Decontamination" patented technology
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Preparation method of modified cation waterborne polyurethane emulsion containing hydrophilic and hydrophobic side long chains and product thereof
The invention relates to a preparation method of modified cation waterborne polyurethane emulsion containing hydrophilic and hydrophobic side long chains and a product thereof. The method comprises the following steps that raw materials are prepared; polyester glycol dehydration pretreatment is carried out; polyester glycol obtained after dehydration pretreatment is subjected to a prepolymerization reaction with an end alkyl polysiloxane linear body, a nonionic chain extender, a functionality chain extender and diisocyanate under catalyzing of a polymerization catalyst so that a prepolymer can be obtained; the prepolymer reacts with a nonionic chain extender and a part diluent to prepare an intermediate; the intermediate reacts with a silane coupling agent, and is emulsified to prepare the modified cation waterborne polyurethane emulsion. The product is a polyester type cation waterborne polyurethane high-polymer material containing hydrophilic and hydrophobic side long chains, wherein polysiloxane is embedded into a main chain of the material, a side chain is grafted with long-chain polyether and long-chain alkyl, and the silane coupling agent is connected into the tail end of the material; the film-forming ability is high, and serving as a film, the emulsion has obvious water-repellent, antifouling and easy dirt-removing abilities, is excellent in compatibility with a cation softening agent, and has an excellent low-temperature soft feature; the product is safe, environmentally friendly and convenient to use.
Owner:HUBEI DAYA BIOLOGICAL TECH CO LTD
Composite blocking remover and method for removing blockage of compact sandstone reservoir pressing crack commissioning horizontal well in composite manner
ActiveCN103740353AGood retarding performanceDecontamination of reservoirCleaning apparatusDrilling compositionSolid phasesOrganic acid
The invention discloses a composite blocking remover and a method for removing blockage of a compact sandstone reservoir pressing crack commissioning horizontal well in a composite manner. The composite blocking remover comprises a preposition liquid, a main treating fluid, an active blocking remover and a subsequent fluid. The preposition liquid is composed of organic acid, inorganic acid, a stabilizer, an oxidizing agent, a chelating agent, a corrosion inhibitor, polyol ether and water. The main treating fluid is composed of organic acid, inorganic acid, the stabilizer, the oxidizing agent, a fluorine carbon surfactant and water. The active blocking remover is composed of a zwitterionic surfactant, the stabilizer and water. The subsequent fluid is water. The composite blocking remover can remove the blockage of routine colloid, asphalt mass and inorganic solid phase particles, and can remove the damage of water blocking and crude oil emulsification by pertinency, and has the advantages of good slow performance, effectively preventing secondary deposition pollution such as the iron ion deposition and acid sludge generation, the horizontal well near-well and deep reservoir pollution can be effectively released, the oil well production power is recovered, and the recovery efficiency can be greatly increased.
Owner:CHINA PETROLEUM & CHEM CORP +1
Stainless steel degreasing agent
InactiveCN101979711AImprove solubilityImproves the properties of uniform corrosionActive agentBrominated hydrocarbon
The invention provides a stainless steel degreasing agent, which comprises the following components in percentage by weight: 5 to 25 percent of organic solvent, 2 to 5 percent of corrosion inhibitor, 10 to 25 percent of surfactant, 5 to 10 percent of inorganic salt, 1 to 3 percent of defoaming agent and the balance of deionized water, wherein the organic solvent is bromohydrocarbon; the corrosion inhibitor is sodium benzoate, ammonium benzoate, triethanolamine, ethanolamine or benzotriazole; the surfactant is one or more of alkylphenol polyoxyethylene ether and fatty alcohol-polyoxyethylene ether; the inorganic salt is alkaline salt; and the defoaming agent is tributyl phosphate, organic silicon, oleic acid or sodium oleate. The stainless steel degreasing agent can replace the currently used ODS cleaning agents, can achieve the cleaning effect of the ODS cleaning agents, does not damage the surface of the stainless steel, has obvious cleaning effect, can clean a large number of products, and does not harm a human body; and the preparation method is simple, safe, and environment-friendly.
Owner:JIANGSU TIANHENG NANO SCI & TECH
Fruit, vegetable and tableware detergent with good rheological property
ActiveCN103242974AEasy to useGood high and low temperature fluidityOrganic detergent compounding agentsAmpholytes/electroneutral surface-active compoundsNonionic surfactantViscosity modifier
The invention discloses a fruit, vegetable and tableware detergent with a good rheological property. The detergent comprises the following raw material components in percentage by weight: 0.01-5.0% of a fluidity modifier, 5.0-40.0% of an anionic surfactant, 0.5-15.0% of a nonionic surfactant, 1.0-8.0% of an amphoteric surfactant, 0.1-8.0% of a viscosity modifier, 0.01-0.2% of an antiseptic agent, 0.01-0.5% of a chelating agent, 0.01-10% of other components, and the balance of deionized water. The invention relates to the detergent with viscosity characteristics, and the fluidity modifier is added into the detergent, so that the rheological property is improved, and the needs of consumers can be well satisfied.
Owner:GUANGZHOU LIBY
Gas self-production system used for plug removal and energy increase of oil-water well and application method thereof
ActiveCN103333670ALess equipment required for preparationSimple processDrilling compositionHexamethylenetetraminePotassium nitrite
The invention relates to a gas self-production system used for plug removal and energy increase of an oil-water well and an application method thereof. The gas self-production system comprises, by weight, 3-10% of urea, 5-25% of a nitrite, 5-25% of an activator and 40-85% of water. The nitrite is one of sodium nitrite, ammonium nitrite and potassium nitrite. The activator is one of methyl formate, ammonium amidosulfonate, ammonium-monochloracetat, hexamethylenetetramine and formaldehyde. When the gas self-production system is used, the above materials are mixed at ambient temperature under ambient pressure, and injected into oil-bearing strata having a temperature higher than 50 DEG C, so as to remove plug, increase energy and increase enhance rate. The gas self-production system can be applied for plug removal and energy increasing of low-pressure low-energy wells in an oil field scattered reserve unit.
Owner:CHINA PETROCHEM & CHEM JIANGSU OILFIELD BRANCH +2
Blocking remover used for hypotonic inhomogeneous sandstone reservoir and using method of blocking remover
ActiveCN104031625AImprove permeabilityHigh viscosityFluid removalDrilling compositionOrganic acidFoaming agent
The invention discloses a blocking remover for hypotonic inhomogeneous sandstone reservoir and a using method of the blocking remover. The blocking remover comprises an agent A, an agent B and an agent C, wherein the agent A consists of the following components in percentage by weight: 10%-25% of oxidant, 8%-12% of activator and the balance of water; the agent B consists of 10%-15% of a reducing agent, 0.3%-1.2% of a foaming agent, 0.3%-0.6% of a foam stabilizer, and the balance of water; the agent C consists of 8%-12% of HCL, 6%-10% of organic acid, 2%-5% of NH4HF2, 0.5%-1.5% of a corrosion inhibitor, 0.5%-1.5% of an iron ion stabilizer and the balance of water. The using method comprises the steps of step one, preparing the agent A, the agent B and the agent C; and step two, injecting the agent A into a ground layer by a pipeline, then injecting the agent B into the ground layer, and finally injecting the agent C into the ground layer. The blocking remover disclosed by the invention has beneficial effects that the blocking remover disclosed by the invention can be applied to decompression and augmented injection of a water injecting well and deep unblocking of an oil well; and the blocking remover has better effect while being applied to augmented injection of the water well in a reservoir non-homogeneous oil-field block.
Owner:CHINA PETROLEUM & CHEM CORP
Washing and softening laundry detergent composition
ActiveCN101812381AIncrease the difficulty of washing offTo achieve the effect of decontaminationOrganic detergent compounding agentsNon-ionic surface-active compoundsOpacifierLaundry detergent
The invention discloses a washing and softening laundry detergent composition, which comprises cationic softener, nonionic surfactant, thickener, opacifier and deionized water. The laundry detergent of the invention is convenient to use, low in cost and environmentally-friendly and has the combined functions of washing and softening.
Owner:GUANGZHOU LIBY
Spheroidizing treater and process
InactiveCN101029367AIncrease Mg contentCancel the secondary smelting processDuctile ironUltimate tensile strength
A spheroidizing treater for producing spheroidal graphite cast iron is carried out by adjusting bearing rod head and dam seam and controlling iron-water and nodulizer contact. It adopts waste-heat one-step method and controls spheroidizing reactive time and strength; the spheroidizing agent consists of Mg<=20%, RE<=3% and Si<=65%. It's simple, cheap and can be used for large-scale continuous production.
Owner:河北贝广电力设备有限公司
Multifunctional air purifying device for removing indoor pollution by thermal decomposition
ActiveUS20190015780A1DecontaminationPromotes volatilization speedCombination devicesMechanical apparatusThermal decomposition methodInfrared lamp
A multifunctional air purifying device for removing indoor pollution by a thermal decomposition method comprises an air treatment unit and an air collection heater. The air collection heater is provided with an infrared lamp tube and an ultraviolet lamp tube. An annular water tank is arranged on an inner side of the upper part of the air treatment unit. A filter screen runs through the annular water tank and is connected with an air cap, and a fan is provided at a joint between the filter screen and the air cap. The filter screen includes an early effect filter screen, a HEPA filter screen, an activated carbon filter screen and a cold catalyst filter arranged in that order from a bottom to a top. A humidifier connects the annular sink and a nozzle located at an exhaust port.
Owner:DALIAN UNIV OF TECH
Natural hand soap and preparation method thereof
InactiveCN105219553ADecontaminationHas the effect of skin care, freckle removal and moisturizingAntibacterial agentsSkin careGleditsia triacanthosGLYCYRRHIZA EXTRACT
The invention discloses a natural hand soap and a preparation method thereof. The natural hand soap comprises the following raw materials in parts by weight: 30-40 parts of sapindus mukorossi, 10-20 parts of Chinese honey locust, 3-6 parts of anthemis nobilis, 9-14 parts of liquorice, 5-8 parts of almond, 10-15 parts of olive oil, 10-15 parts of palm oil, 5-15 parts of sodium hydroxide, 5-10 parts of purified water, 10-20 parts of a plant extract sterilizing agent and 5-10 parts of a flavouring agent. The natural hand soap prepared by adopting the preparation method has the functions of decontaminating, protecting skin, removing freckles, preserving moisture and sterilizing, is a natural and harmless hand soap, and further has an extensive economical value.
Owner:GUANGXI UNIV
Method for cleanly producing lactic acid by fermentation method
ActiveCN101607887ASolve the crystallization problemImplement resourcesFermentationCarboxylic compound separation/purificationSulfate radicalsNitrate
The invention relates to a method for cleanly producing lactic acid by a fermentation method. The method comprises the following steps that: during the fermentation of the lactic acid, solution of NH3 and NaOH or solution of KOH is used for adjusting the pH value of fermentation solution, the obtained fermentation solution of the lactic acid passes through a C1 typed, sulfate radical typed or nitrate radical typed anion-exchange column, lactate radical in the fermentation solution of the lactic acid is exchanged and adsorbed by C1-, SO42- or NO3-, and simultaneously ionic exchange permeating solution of hydrochloride, sulfate or nitrate containing NH4+, Na+ or K+ and permeating the ionic exchange column is obtained; the lactic acid adsorbed on the ionic exchange column and exchanged and adsorbed by the lactate radical is eluted by hydrochloric acid, sulfuric acid or nitric acid, an eluent containing the lactic acid is obtained, and the ionic exchange column is regenerated simultaneously during eluting; the ionic exchange permeating solution is filled in a bipolar membrane electrodialyzer to obtain regenerated hydrochloric acid, sulfuric acid or nitric acid; the regenerated hydrochloric acid, the sulfuric acid or the nitric acid is used for eluting the lactic acid adsorbed on the ionic exchange column, and the regenerated solution of the NH3 and the NaOH or the solution of the KOH is used for adjusting the pH value of the fermentation solution when the lactic acid is fermented.
Owner:INST OF PROCESS ENG CHINESE ACAD OF SCI
Water radon-screening emulsion paint
A radon-screening water emulsoid paint used as decorative paint for preventing radon, benzene, xylene and formaldehyde from being educed from wall and adsorbing them contains water, hydroxyethyl cellulose, disperser, defoaming agent, levelling agent, light calcium carbonate, titanium oxide, bentone, talc powder, ethanediol, film forming agent, PVDF-acrylate copolymer and vinyl acetate-acrylate copolymer emulsion, and antibacterial mildew-proof agent.
Owner:陈伟常 +1
Diffusion method for solace cell with polycrystalline silicon selective emitter
ActiveCN102593262AImprove efficiencyShallow dopingFinal product manufactureDiffusion/dopingDiffusionDopant
The invention discloses a diffusion method for a solar cell with a polycrystalline silicon selective emitter. The diffusion method includes the following steps: firstly, placing a silicon chip on which a doping agent grows into a diffusion furnace and raising the temperature to 750-800DEG C, wherein the environment in the furnace is N2 with the flow being 10-30slm; secondly, after the temperature is stabilized, uniformly raising the temperature in each temperature zone in the furnace to 850-900DEG C, introducing 0.2-2slm of N2 carrying trichloroethane, 1-5slm of O2 and 10-30slm of N2 while raising the temperature so as to realize heavy doping and controlling the heavily-doped sheet resistance between 30 and 60 omega / m<2>; thirdly, reducing the temperature of each temperature zone to the diffusion temperature of 820-840DEG C and introducing N2 carrying POCl3 for diffusing; fourthly, reducing the temperature of each temperature zone to 780-800DEG C, stopping introducing the N2 carrying the POCl3 so as to realize shallow doping, wherein the propulsion time is 10-25minutes and controlling the shallow-doped sheet resistance between 70-120 omega / m<2>; and fifthly, cooling the silicon chip, taking out the silicon chip and finishing the diffusion process. According to the diffusion method disclosed by the invention, the diffusion of a doping agent is realized at high temperature and the heavy doping and shallow doping of the selective emitter are realized; and meanwhile, the gettering of a polycrystalline silicon is realized, so that the conversion efficiency is greatly increased.
Owner:CSI CELLS CO LTD +1
Processing method of garbage leachate
InactiveCN102329023ALow toxicityReduce loadMultistage water/sewage treatmentWater/sewage treatment by oxidationLitterCalcium hypochlorite
The invention relates to a processing method of garbage leachate, which comprises the following steps: 1) adding sodium hypochlorite into garbage leachate to carry out preoxidation; 2) adding ferrous iron and hydroxide, stirring, and separating out the supernatant; and 3) adding ferrous iron and hydrogen peroxide into the supernatant, stirring, and regulating the pH value of the effluent water to reach the standard. Aiming at the garbage leachate after biochemical treatment, the invention is composed of sodium hypochlorite reinforced ferrous iron coagulation and Fenton technique. The sodium hypochlorite reinforced ferrous iron coagulation can remove nondegradable organic substances in the leachate, and generate active chlorine to effectively remove ammonia nitrogen. In the Fenton technique, ferrous iron and hydrogen peroxide in a certain proportion are added to generate hydroxy free radicals, thereby further oxidizing the organic substances and implementing partial mineralization, lowering the toxicity of the leachate and enhancing the biochemical quality of the leachate.
Owner:RES CENT FOR ECO ENVIRONMENTAL SCI THE CHINESE ACAD OF SCI
Antibacterial fabric detergent and preparation method thereof
InactiveCN105754753ADecontaminationWith sterilizationOrganic detergent compounding agentsPolymeric surface-active compoundsSoftened waterSurface-active agents
The invention relates to an antibacterial fabric detergent and a preparation method thereof. At present, few fabric detergents can achieve the effects of bacteriostasis and sterilization at the same time. The antibacterial fabric detergent is prepared from a nonionic surface active agent, an amphoteric ion surfactant, a solubilizer, a chelating agent, a dirt redeposition resisting agent, and softened water, and has double efficacies of decontamination and sterilization; besides, the antibacterial fabric detergent has the characteristics of removing peculiar smell of textile fabric, restraining peculiar smell from being generated, resisting dirt redeposition, being safe, non-toxic and non-irritating to human bodies, being pollution-free to environment, being low in production cost, and the like.
Owner:于文 +1
Method for preparing light porous sintering material by red mud and plant residues
The invention relates to a method for preparing a light porous sintering material by red mud and plant residues. The method comprises the following steps: by using the red mud with the water content being less than or equal to 65wt% and the plant residues with the water content being less than 70wt%, preparing and mixing materials; rolling and mixing; moulding; and sintering to obtain the light porous sintering material. The method which utilizes waste red mud and plant residues wide in source and large in output can produce serial products such as water permeable paving products, filtering products, products for sound absorbing materials, catalytic products, light panels or heat-insulating and sound-proofing bricks which are wide in purpose and high in value with low cost. The method has industrial competitiveness and good investment economical benefit. Meanwhile, not only are a lot of clay resources and non-renewable fuel coal as building materials and chemical product raw materials saved to realize industrial emission reduction of Co2, but also the pollution of waste pollutants red mud and plant residues to water, soil and air can be effectively solved, and secondary disasters are prevented.
Owner:长沙紫宸科技开发有限公司
UV scanning type multispectral water-quality COD rapid detection method and device therefor
InactiveCN1967215AImprove applicabilityImprove measurement accuracyColor/spectral properties measurementsGratingMeasuring instrument
The invention discloses an ultraviolet scanning multi-spectral water quality COD rapid detection method and its device. Embedded computer system connects to the single-chip system, and the single-chip system connects in turn to spectrum scanning stepper motor, measuring valve, cleaning valve, and the flow measurement groove respectively connects with automatic cleaning device, water sample export, cleaning valve, measuring valve, and cleaning valve connecting with washing water import, measuring valve connecting with water sample import, and ultraviolet light of deuterium lamp is gathered by measuring groove, and the ultraviolet light after water absorption is gathered to project to the plane grating spectrophotometry system, and after spectrophotometry, project to the photoelectric conversion circuit, the photoelectric conversion circuit connecting the single-chip system. The invention increases the applicability and the measurement accuracy of UV absorption based COD measuring instrument; it implements the fully automation of water extraction, measuring groove cleansing and measurement, and increases the on-line measurement speed, and cat fit in the online, fast and accurate analysis and test of the environmental water and various waste water COD.
Owner:ZHEJIANG UNIV
Reclaiming agent, reclaimed rubber prepared therefrom, and preparation method of reclaimed rubber
InactiveCN103435843AImprove the operating environmentGet rid of bad smell and pollutionPlastic recyclingChemistryCrumb rubber
The invention discloses a reclaiming agent, reclaimed rubber prepared therefrom, and a preparation method of the claimed rubber. The reclaiming agent comprises the following components in parts by mass: 0.5-3 parts of regenerated activator, 5-20 parts of regenerated swelling agent and 1-10 parts of other processing aids. The reclaiming agent, the reclaimed rubber and the preparation method of the claimed rubber have the beneficial effects that crumb rubber powder, used environment-friendly regenerated activator and the swelling agent are uniformly mixed and then added to rubber mixing equipments, such as an open mill and an extruder to reclaim under the condition from room temperature to 50 DEG C in a high-speed mixer in the process of preparing the environment-friendly reclaimed rubber; the regenerating temperature is low, so that bad objectionable odor and staining property of the traditional reclaimed rubber are removed. Compared with the traditional reclaimed rubber, the environment-friendly reclaimed rubber has the advantages that the mechanical property and the processing property are not reduced by a test; chemicals which are not permitted to use are not contained in 'REACH'; the reclaiming agent is simple and efficient in processing technology, and fewer in regenerating procedure; various rubber mixing equipments can carry out regeneration operation.
Owner:CHINA RUBBER RESOURCE REGENERATION QINGDAO
Ultrasonic blockage removal technology and blockage removal device
InactiveCN104712292AEffective pollutionEffectively decontaminateCleaning apparatusConvertersEngineering
The invention relates to an ultrasonic blockage removal technology and a blockage removal device which are used for clearing blockages formed in an oil well during oil extraction. The device is mainly composed of a well testing truck, a transmission cable, a high-power ultrasonic electric signal transmitter and an ultrasonic electro-acoustic transducer. High-power pulse electric oscillation signals generated by the vehicle-mounted high-power ultrasonic transmitter on the ground are transmitted to the piezoelectric ceramic electro-acoustic transducer on an oil layer through the special transmission cable, then converted into ultrasonic waves through the electro-acoustic transducer, and injected into an oil bearing formation, so that the physical property and flow state of fluid in the oil layer are changed, the circulating condition and permeability of the bottom of the well and a near-well oil layer are improved, blockages are removed, scale prevention and removal are achieved, paraffin control is achieved, oil production capacity is improved, the viscosity of crude oil is reduced, and then permeability and recovery efficiency can be improved, injection rate is increased, and injection allocation is achieved.
Owner:牛连江
Environmental protection type aqueous release film
InactiveCN104961902AHigh tensile strengthDecontaminationNatural rubber coatingsPolyurea/polyurethane coatingsEmulsionPolyvinyl alcohol
The present invention provides an environmental protection type aqueous release film, which comprises a thin film layer and a release layer positioned on the thin film layer, wherein the release layer comprises, by weight, 35-45 parts of an aqueous polyethylene wax emulsion, 45-55 parts of an aqueous polyurethane emulsion, 20-30 parts of an aqueous modified polyvinyl alcohol solution, 5-10 parts of natural latex, 3-5 parts of a silane coupling agent, 0.3-0.5 part of a defoamer, and 0.3-0.5 part of a thickener, and the aqueous modified polyvinyl alcohol solution comprises, by weight, 100 parts of polyvinyl alcohol, 700-800 parts of deionized water, and 30-50 parts of modified calcium carbonate. The release film of the present invention is the aqueous environmental protection type release film, has characteristics of good peel strength and good stretching strength, and is the release film having the good comprehensive performance.
Owner:JIXIANGBAO TAICANG RELEASE MATERIAL TECH CO LTD
Natural essential oil aromatic finishing agent for real silk fabrics and preparation method thereof
InactiveCN103541227AOvercome limitationsIncrease profitMicroballoon preparationAnimal fibresAcetic acidPolyphosphate
The invention relates to the technical field of fabric finishing, particularly an aromatic finishing agent and a preparation method thereof. The preparation method of the natural essential oil aromatic finishing agent for real silk fabrics comprises the following step: by using natural essential oil, Tween 80, glacial acetic acid, chitosan, sodium polyphosphate, a bonding agent, a penetrant and a softener as raw materials, wrapping a chitosan / sodium polyphosphate outer layer wall material outside the natural essential oil by a complex coacervation process to obtain the finished product. Due to the adoption of the technical scheme, the finishing agent overcomes the limitation in application of natural essential oil, enhances the utilization ratio of the natural essential oil, has the characteristics of aromatic microcapsules, widens the application range of the natural essential oil, satisfies the ever-increasing demands of people for safety and health, and follows the trend of aromatic textile development.
Owner:SHANGHAI INST OF TECH
Encapsulated sustained-release acid for oil-water well reconstruction and preparation method thereof
ActiveCN102533244AUniform particle sizeHigh true sphericityDrilling compositionAcrylic resinControl manner
The invention discloses an encapsulated sustained-release acid for oil-water well reconstruction and a preparation method thereof. The encapsulated sustained-release acid comprises a capsule core and a sustained-release supporting layer coated on the outer layer of the capsule core, wherein the capsule core is a soluble or meltable solid acid, the sustained-release supporting layer comprises a sustained-release wall material and a supporting wall material, the sustained-release wall material is an organic fatty acid or a derivative thereof, the supporting wall material is acrylic resin or a derivative thereof, and the solid acid is solid hydrochloric acid powder or citrate. The encapsulated sustained-release acid is a spherical granule with the particle size of 0.15-0.25 mm. The encapsulated sustained-release acid also comprises an adhesive spray-coated on the capsule core, wherein the adhesive is water-soluble vegetable gum or a derivative thereof, and is specifically guar gum, hydroxypropyl guar gum or carboxymethyl hydroxypropyl guar gum. According to the invention, the control mode of the acid radical ion consumption is simple and accurate; the preparation process is simple; and the encapsulated sustained-release acid is reliable in performance, safe for transportation and carrying, and convenient for use, and can be used for reducing the probability of underground tool acid corrosion and operation personnel damage in the application.
Owner:PETROCHINA CO LTD
Wet tissue based on multi-ion jellyfish solution
InactiveCN104490707ADecontaminationBacteriostaticCosmetic preparationsToilet preparationsAlcoholMedicine
The invention discloses a wet tissue based on a multi-ion jellyfish solution. The wet tissue based on the multi-ion jellyfish solution consists of a nonwoven fabric and a wet tissue solution, wherein the wet tissue solution consists of the multi-ion jellyfish solution, glycerol, an aloe extract and purified water. The wet tissue disclosed by the invention has the beneficial effects of no alcohol, essence, a surfactant or an anticorrosive agent; the multi-ion jellyfish solution has dirt removal and antibacterial effects and can be used for replacing the traditional surfactant and the anticorrosive agent; the wet tissue is natural and environment-friendly; by adding the glycerol and the aloe extract, a certain moistening effect is achieved.
Owner:上海心动能科技有限公司
Multi-strain composition for efficiently degrading environmental organophosphorus pesticide residues
ActiveCN102296043ADecontaminationGive full play to the degradation abilityBacteriaMicroorganism based processesOrganic phosphorusCopper
The invention relates to a multi-strain composition for high-efficiency degradation of organic phosphorus pesticides in the environment, which consists of a strain A, a strain B and a strain C, wherein the strain A is rhodococcus rhodochrous R-D3 strain; the B strain is stenotrophomonas acidaminiphila G1; and the C strain is cupriavidus taiwanensis X1 strain. The strain A, strain B and strain C are inoculated onto and cultured in a Luria Broth (LB) liquid culture medium respectively to form bacterial solution A, bacterial solution B and bacterial solution C; the bacterial solution A, bacterial solution B and bacterial solution C are uniformly mixed according to a volume mixing ratio of (1-2):(1-2):(1-2); and thus, the multi-strain composition for high-efficiency degradation of organic phosphorus pesticides in the environment is obtained. The multi-strain composition can quickly degrade organic phosphorus pesticide residue to different degrees within 1 to 7 days, the degradation rate of the multi-strain composition reaches over 95 percent, and the pollution of organic phosphorus pesticides is eliminated effectively.
Owner:ANHUI AGRICULTURAL UNIVERSITY
Novel strain Clostridium butyricum UCN-12 and composition and application thereof
The invention discloses a novel strain Clostridium butyricum UCN-12 and a composition and application thereof. The preservation number of the novel strain in CGMCC (China General Microbiological Culture Collection Center) is CGMCC No.9652. As effective constituents fed to livestock, a fermentation culture of the strain, fermentation liquor or thalli obtained by centrifugating the fermentation culture and a dried product of the fermentation liquor or thalli have the effect of treating and / or preventing livestock clostridium welchii disease; no antibiotic is needed to be added in the whole process so that environment contamination caused by antibiotic residues is avoided; cholesterol and fat in eggs can be remarkably reduced, and eggy smell can be removed to improve the taste of eggs; the production performance of livestock is improved; and antenatal and puerperal constipation of sows can be treated and / or prevented to reduce smelly excrement of livestock and realize environment-friendly cultivation.
Owner:成都与康生物科技有限公司
Foam producing agent for wet-type dust collection
The invention discloses a foam producing agent for wet-type dust collection. According to the weight percentage, the foam producing agent for the wet-type dust collection comprises: 0.2%-6% of lauramide propyl glycine betaine, 0.15%-0.3% of hexadecyl tri-methyl ammonium bromide, 0.4%-1.3% of fatty alcohol-polyoxyethylene ether sodium sulfate, 1%-2% of sodium dodecyl benzene sulfonate, 0.2%-0.8% of dodecyl benzene glycine betaine, 0.2%-0.9% of fatty acid glycerolipid, 0.4%-2% of potassium polyacrylate, 1.5%-2.4% of perfluor octyl sulfo tetraethyl ammonium salt, 0.5%-1.5% of sucrose fatty acid ester, 0.3%-1.2% of diocytyl sulfo sodium succinate, and the balance is water. The foam producing agent for the wet-type dust collection is capable of cohering the dusts on the ground for a long time, avoiding the dusts from flying along with the wind because of the drying ground, and performing the collecting function to a duster for a long time. The foams produced by the foam producing agent for the wet-type dust collection have good biological degradability, and both the environmental protection coefficient and the safety coefficient are high.
Owner:SHANDONG UNIV OF SCI & TECH
Treatment method for detoxifying and recycling chromium slag
ActiveCN102618726ALarge amount of processingFlexible throughputProcess efficiency improvementPregnant leach solutionSlag
The invention relates to a treatment method for detoxifying chromium-containing (VI) waste slag and recycling chromium (VI). The treatment method for detoxifying and recycling the chromium slag is characterized by comprising the following steps of: 1) sampling and analyzing content, acidity and particle diameter of main components in the chromium-containing waste slag; 2) establishing 3 to 6 leaching tanks; 3) piling the chromium-containing waste slag with the particle diameter of less than or equal to 20 meshes in the leaching tanks; 4) preparing 0.01 to 1 weight percent dilute acid; 5) spraying the dilute acid to the chromium-containing waste slag in the No. 1 leaching tank through a spray pipe, spraying the leachate in the No. 1 leaching tank to the No. 2 leaching tank, spraying the leachate in the No. 2 leaching tank to the No. 3 leaching tank, and so on, collecting the leachate in the last leaching tank, and entering the next procedure; and 6), regulating the pH of the collected leachate to 1.5-2 by using 10 weight percent dilute sulfuric acid, filtering, performing countercurrent multistage extraction-back extraction concentration, and thus obtaining 20 to 30 weight percent chromium-containing concentrate. The method is low in cost and environment-friendly, and can be used for recovering chromium.
Owner:武汉巍川环保科技有限责任公司
Multifunctional phosphating solution, and preparation method and application thereof
InactiveCN103397324AHigh hardnessStrong impact resistanceMetallic material coating processesPhosphatePhosphoric acid
The invention relates to a multifunctional phosphating solution and a preparation method and application thereof. The multifunctional phosphating solution comprises liquid A and liquid B and is characterized in that a ratio of the liquid A to the liquid B in the multifunctional phosphating solution is 1: 0.1-1. The liquid A comprises the following substances, by mass, 26 to 48 parts of diammonium phosphate, 0.9 to 12 parts of phosphoric acid with a concentration of 85%, 0.8 to 1.8 parts of metal powder, 0.6 to 1.4 parts of animal glue, 0.4 to 10 parts of calcined gypsum powder and 0.3 to 0.8 part of alum, with the balance being water. The liquid B comprises the following substances, by mass, 20 to 46 parts of zinc dihydrogen phosphate, 38 to 55 parts of zinc nitrate, 2 to 3.8 parts of sodium fluoride, 2 to 4 parts of zinc oxide and 2 to 6 parts of phosphoric acid with a concentration of 85%, with the balance being water. The multifunctional phosphating solution provided by the invention is composed of the liquid A and the liquid B, can realize removal of oil and rust at the same time and has the efficacy of rust protection, heat insulation, high temperature resistance, heat preservation, flame retardation, noise abatement, shock prevention, isolation, pollution cleaning and resistance to fire. The multifunctional phosphating solution has the following beneficial effects: a fast rust removal speed, great thickness of a formed film, long antirust time, etc.
Owner:李春清
Wool brightener and preparation method thereof
The invention relates to a wool brightener and a preparation method thereof. The brightener comprises the following components in parts by mass: 10-20 parts of silicon oil, 3-10 parts of beewax, 3-10 parts of vaseline, 0.3-1.5 parts of cetanol, 0.5-2 parts of wool fat polyoxyethylene ether, 0.2-1.5 parts of ethyl acrylate, 1-3 parts of sodium alginate, 3-8 parts of fatty alcohol-polyoxyethylene ether, 3-7 parts of coconut oil fatty acid monoethanolamide, 1-5 parts of carboxymethyl cellulose sodium, 0.1-0.6 part of potassium sorbate, and 80-120 parts of deionized water. The brightener provided by the invention has the functions of decontamination, lustering and static resistance for woolen products.
Owner:WUJIANG CITY QIDU TOWN MIAOGANG YADI KNITTING GARMENT FACTORY
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