270results about How to "Decontamination" patented technology

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.