521results about How to "Environmentally friendly" patented technology

A new general purpose foaming agent having application as drilling fluid foaming agents or as any foaming agent needed an a wide variety of applications is disclosed, where the agent includes at least one anionic surfactant, at least one cationic surfactant, and mixtures thereof and one or more zwitterionic compounds. A method for using the foaming agent in capillary coiled tubing application is also disclosed. The foaming agents can also include additive to augment the properties of the foaming agent for a given application.

The present invention describes a composition and method to control dimensional growth during an anodizing process. Potassium permanganate has been discovered, when added to an anodizing solution containing at least one acid, to minimize dimensional change. This novel composition and method were found to be safer, quicker and less expensive than the conventional method of anodizing aluminum. In addition, the novel composition and method were found to have superior properties to aluminum anodized by the conventional method with respect to durability and corrosion resistance. In addition to anodizing, the novel solution described herein is capable of several other uses including the removal of organic and metal contaminants from solution, producing black electroless nickel on a substrate, producing a bright nickel coating on a substrate such as aluminum, and cleaning and activating aluminum for plating.

A one-step preparation method and an application of supported platinum-based multi-metal catalysts are provided. The one-step preparation method comprises the specific steps: evenly mixing a carrier with an aqueous solution of a reducing agent, a surfactant, a platinum metal precursor and a non-platinum metal precursor, carrying out a reaction for 0.5-5 hours, and washing for multiple times at a low temperature (less than or equal to 100 DEG C) to enable the surfactant and other by-products in the product to be effectively removed. The platinum-based multi-metal catalysts having different metal loads (10-95 wt%) and different compositions and supported by different carriers are obtained, and the prepared supported platinum-based multi-metal catalysts are nanoparticles evenly dispersed on the surface of the carrier. The supported platinum-based multi-metal catalysts can be prepared through the one-step reaction, the reaction conditions are mild, operations are simple, the reaction is rapid, and synthesis is easy to enlarge. The prepared supported platinum-based multi-metal catalysts can be applied in the fields of petrochemical industry, chemical pharmacy, automobile tail gas purification and fuel cells.

The invention provides a method for recovering valued metals from waste lithium cobaltate batteries, belongs to the technical field of recovery of waste power batteries, and can solve the problems of complex steps, environmental pollution, resource waste and the like existing in the conational method for recovering the valued metals from the waste lithium cobaltate batteries. According to the method, active substances of the batteries are soaked and stripped through an organic solvent, so that most of adhesive can be dissolved to directly obtain clean aluminum, copper, nickel foils and membranes, and direct contact reaction of subsequent acid liquor and lithium cobaltate is promoted; the organic solvent can be used at multiple stages; finally, recovery by distillation is performed; and LiCoO2 is dissolved by using sulfuric acid solution to prevent toxic gas from being produced, improve the working conditions and protect the environment. The recovery method provided by the invention has the advantages of simple process, environmental friendliness, low cost and high recovery rate.

The invention discloses a method for preparing fluoroethylene carbonate with relatively short reaction time, relatively high yield and relatively low cost; the invention essentially comprise the following steps that: 1. fluoride and phase transfer catalyst are added into a reaction vessel; 2. chloroethylenes carbonate is added into the reaction vessel, all the reactants are subject to reaction in the reaction vessel, thus obtaining the mixture containing fluoroethylene carbonate; 3. the fluoroethylene carbonate in the mixture is solid-liquid separated and extracted by distillation, thus acquiring fluoroethylene carbonate with needed purity. By adopting the preparation method of the invention, the fluoroethylene carbonate with high yield can be obtained under a mild reaction condition and in relatively short reaction time. Additionally, the invention is more economical and more environment friendly and can use relatively cheap original materials, thus reducing production cost. The invention can be used for preparing fluoroethylene carbonate.

Aqueous dispersible fine emulsion of complete acrylic ester copolymer as oil- and water-resisting agent is prepared by: preparing complete alkyl copolymerized monomer fine emulsion dispersed uniformly, and then polymerizing without organic solvent and emulsifying to aid it. It is stable for restore or dilution, and can be used for substrate materials of fabrics, leathers or paper as waterproof and oil-proof finishing agent.

The invention discloses a method for preparing a biological protein two-dimensional nano-film by using lysozyme. According to the method, nano-particles which are generated by phase transformation reaction of lysozyme molecules and tris (2-carboxyethyl) phosphine hydrochloride are self-assembled on a gas-liquid interface through surface and interface induction to form a biological protein two-dimensional nano-film, or a base material is in contact with the surface of solution in a preparation process of the film, and the nano-particles which are generated by phase transformation of the lysozyme are directly self-assembled on a liquid-solid surface through surface and interface induction to form the two-dimensional nano-film, namely, the nano-particles grow on the surface of the base material in an in-situ manner. The preparation method is simple and environment-friendly; the thickness of the prepared biological protein two-dimensional nano-film is about 30-80 nanometers, surface roughness is small, transparency is high, adhesivity is good, and the method can be used for modifying surfaces of base materials.

An adapter for a single-serve beverage machine configured for brewing coffee through a beverage unit, particularly an at least partially plastic unit with integral filter such as a K-cup®, is disclosed. The adapter includes a housing forming an aperture. The housing has upper and lower portions with a screen spanning across the aperture at a transition of the upper and lower portions such that the upper portion and the screen form a well. The housing includes an outer surface adapted to mate with the single-serve beverage machine such that the single-serve beverage machine may be utilized with a coffee-filled paper pod resting in the well instead of the at least partially plastic unit with integral filter. Also disclosed are kits, systems, and methods associated with the adapter, for example a method of adapting a machine from use one type of beverage unit to use with a coffee-filled paper pod.

The invention provides a method for recovering nickel, cobalt, iron, manganese and magnesium from oxidized nickel ore, comprising the following steps: preparing raw material oxidized nickel ore; preparing the sulfuric acid leaching solution of the oxidized nickel ore; selectively recovering cobalt and magnesium; neutralizing and coprecipitating nickel and iron; and condensing and crystallizing the filtrate. By the method, nickel, cobalt, iron, manganese and magnesium can be recovered from the oxidized nickel ore, and the method is a process with high comprehensive utilization rate of resource, low energy consumption and environmental protection, and is simple to implement.

The present invention relates to an apparatus for recycling wasted heat using waste hot water that includes: a tub that charges and discharges waste hot water; a heat exchange unit that transfers the heat of waste hot water to cold water supplied to a shower bat; and an upper cover that the open upper portion of the tub, and is friendly to the environment by reducing the amount of fuel consumed to supply hot water and it is possible to reduce the fuel cost by the reduced amount of fuel consumption.

The invention discloses an indoor water-based ultrathin steel-structure fireproof coating and a preparation method thereof. The indoor water-based ultrathin steel-structure fireproof coating includes the following components: in weight percentage, 17-20% of tap water, 25-30% of water-based acrylic emulsion, 38-45% of expansion flame retardant system, 5-10% of waterproof filler, 0.4-0.6% of wetting dispersant A, 0.8-1,2% of wetting dispersant B, 4-6% of anti-freezing agent, 0.3-0.5% of defoamer, 1-2% of filming auxiliaries, 0.1-0.2% of pH (potential of hydrogen) regulator, 0.4-0.5% of flatting agent, 0.1-0.2% of thickener and 0.2-0.4% of anticorrosion and mildew-proof agent. The coating is free of any harmful substances such as organic solvent and heavy metal and the like and is environment-friendly, non-toxic, safe in storage and excellent in fireproof heat-insulation performance. Comprehensive performances of the coating can meet national standards and completely meet the application requirement of steel-structure fireproof protection.

The invention provides a comprehensive recovery method of complex molybdenum sulphide ores. The comprehensive recovery method is characterized that a pressurized oxidization method is used for treating complex molybdenum-containing sulfide comprising 5-45% of molybdenum, a right amount of activating agent is added, the conversion rate of the molybdenum reaches above 98% under the conditions that the temperature is 105-200 DEG C, the ratio of ore pulp to solid is (2-15):1, the oxygen partial pressure is 100-800kPa, and the reaction time is 1-8 hours, rhenium and molybdenum are recycled from a pressurized oxidization solution step by step by adopting an extraction method, and finally products such as ammonium rhenate and ammonium molybdate are produced. The comprehensive recovery method can be used for treating complex raw materials, is low in reaction temperature and pressure and is a simple high-efficiency and environment-friendly technology.

A fluid management system and a method for managing fluid include a removable cartridge, a fluid reservoir, a fluid exchange pump, and a conduit. The conduit provides fluid communication between the removable cartridge and the fluid reservoir. The fluid exchange pump transfers a first fluid from the fluid reservoir to the removable cartridge in a first direction, and permits a flow of a second fluid from the removable cartridge to the fluid reservoir in a second direction.

The invention is suitable for the technical field of nano materials, and provides a method for preparing a cerous phosphate nano wire. The method comprises the following steps of: preparing mixed liquor containing Ce3+ saline solution and PO43- saline solution; adjusting the pH value of the mixed liquor to 0.8 to 1.5; stirring the mixed liquor for 0.3 to 1.5 hours; and ageing the mixed liquor in water bath at the temperature of 90 to 95 DEG C under ambient pressure for more than 2 hours so as to obtain a hexagonal crystal cerous phosphate nano wire. The method for preparing the cerous phosphate nano wire can be carried out by a simple and low-cost device, so the production cost is lowered greatly, and industrial production is convenient to realize; and a template agent is not required to be added in the preparing process, so environmental impact caused by waste liquid is avoided.

The present invention discloses a preparation method of carbon fiber reinforced nylon composite micro-powder for selective laser sintering. The method comprises: carrying out surface pre-treatment on carbon fiber powder, adding the pre-treated carbon fiber powder and nylon particles into a polymer good solvent containing a dispersing agent, carrying out heating stirring to completely dissolve the polymer, adding a poor solvent of nylon to make the nylon gradually crystallize by adopting the carbon fibers as the crystal nucleus and be coated on the carbon fiber surface, carrying out suction filtration, drying, screening, and adding other auxiliary agents to obtain the carbon fiber reinforced nylon composite micro-powder for selective laser sintering. Compared to the method in the prior art, the method of the present invention has characteristics of no requirement of high-temperature and high-pressure equipment, simple process, economy, effectiveness, environmental protection, and easy performing; and the sintering performance of the prepared material is excellent, the carbon fiber content in the material is controllable, and the mechanical property of the obtained SLS molded member is substantially improved compared to the SLS molded member of the matrix resin material.

The invention relates to a method for preparing beta-nicotinamide mononucleotide by using an enzymic method. According to the method for preparing beta-nicotinamide mononucleotide by using the enzymic method, with nicotinamide riboside as a substrate and in the presence of a phosphoryl donor, the beta-nicotinamide mononucleotide is prepared by enabling the nicotinamide riboside to react with the phosphoryl donor under catalysis of nicotinamide riboside kinase and/or a reconstituted cell containing the nicotinamide riboside kinase. The method for preparing beta-nicotinamide mononucleotide by using the enzymic method has important application values. Compared with the conventional technology for chemically synthesizing the beta-nicotinamide mononucleotide, the method for preparing beta-nicotinamide mononucleotide by using the enzymic method is more environment-friendly, is lower in cost and can provide a product with higher purity; therefore, the method for preparing beta-nicotinamide mononucleotide by using the enzymic method can be more economically used for the field of health care products and biological medicines.

Provided are an ink composition for an etching resist, a method of forming an etching resist pattern using the ink composition, and a method of forming a microchannel using the ink composition. The ink composition is suitable for forming a micro pattern due to its poor spreading on the substrate and is suitable for etching-resist for copper of a printed circuit board and deep etching a stainless steel substrate due to its excellent chemical properties that allow it to resist an etching solution.

The invention relates to a method for preparing the catalyst used to produce 2-alkyl-anthraquinone and anthraquinone, wherein with said catalyst, 2-(4'- benzoylmethane) benzene carbonic acid is dewatered and closed, to obtain the pure anthraquinone; used solid acid catalyst is the modified acid beta zeolite molecular screen; under the best reaction condition, the transform rate of 2-(4'- benzoylmethane) benzene carbonic acid can reach 99.5%; the selectivity of 2-alkyl-anthraquinone can reach 99.2%.

The invention discloses a gamma radiation protective clothing preparing method. Micro-nano grade Gamma radiation protective clothing functioning powder prepared via ball milling is added to a rubber base body for mixing; then fabrics immersed into adhesives is flattened and stuck to glue; Gamma radiation protective fabrics are achieved via vulcanization formation; and at last the Gamma radiation protective clothing is prepared. The Gamma radiation protective clothing is soft, comfortable to wear and has high screening factor; the preparation technology is simple; and high production rate and low machining cost can be achieved.

The continuous biological diesel oil preparing process converts regenerable plant oil and grease into biological diesel oil under the sub-critical, critical and supercritical state of short-chain alcohol as acyl radical acceptor, and belongs to the field of biological oil synthesizing technology. The process includes heating the pipe preheater and pipe reactor to set temperature, pumping short-chain alcohol and plant oil and grease with high pressure pumps into the pipe preheater for mixing and the pipe reactor for reaction of 10-40 min, cooling and separating, and can produce biological diesel oil continuously. The reaction system has no impurity introduced, so that its side product coarse glycerin may be refined easily to obtain pure glycerin product. The present invention has the advantages of environment friendship, simple separation process, low cost, high efficiency, great output, stable product quality, etc.

The invention relates to a dephosphorizing agent and application thereof, belonging to the technical field of ferrous metallurgy. The dephosphorizing agent solves the problems of low dephosphorizing efficiency, high residue consumption, environment pollution and difficulty in resource comprehensive utilization in the existing calcium-oxide-based molten iron pretreatment dephosphorizing agent. The dephosphorizing agent comprises the following components in percentage by mass: 25-50% of FeOt, 20-45% of CaO, 15-30% of SiO2, 2-10% of Na2O and 3-12% of Al2O3. After being molten, the molten iron dephosphorizing can form a solid-phase/liquid-phase coexistent multiphase residue system at 1300-1400 DEG C, wherein the solid phase is a 2CaO.SiO2 phase capable of providing a place for enriching oxidized phosphorus in molten iron, so that the dephosphorizing agent has the characteristics of favorable dephosphorizing effect, low slag consumption, no fluorine and small environmental pollution and is beneficial to comprehensive utilization of dephosphorizing slag.

The invention discloses a method for preparing a corn pregelatinization oxidative cross-linking starch environmentally-friendly interior wall coating which is mainly prepared from the following components: corn pregelatinization oxidative cross-linking starch emulsion, nano materials, porous starch absorption pigments, a filler, a dispersion agent, a defoaming agent, an anticorrosion mildew inhibitor, a neutralizer, a filming-forming adjuvant and water. The preparation method comprises the following steps: (1) the preparation of the corn pregelatinization oxidative cross-linking starch; (2) the preparation of the corn pregelatinization oxidative cross-linking starch emulsion; (3) the preparation of porous starch; (4) the preparation of the porous starch absorption pigments; and (5) the preparation of the corn pregelatinization oxidative cross-linking starch interior wall coating material. According to the invention, starch is modified, because the corn pregelatinization oxidative cross-linking starch emulsion and the porous starch absorption pigments are utilized, the prepared coating products have no pollution and are environmentally-friendly, and the color is more endurable and shining; and by adopting a technology of adding nano materials, the performances of the coating material, such as impact resistance, adhesive attraction, aging resistance, corrosion resistance, ultraviolet resistance and the like are improved greatly.

The invention discloses a method for comprehensively utilizing sludge in a recycling mode. The method comprises the following steps: dewatering sludge of a municipal wastewater treatment plant; respectively analyzing and detecting dewatered sludge, food residues, domestic garbage and human and animal excreta, and deodorizing simultaneously; sorting the deodorized sludge, food residues and domestic garbage; mixing the sludge, the food residues, the domestic garbage, the human and animal excreta, crop straws with reused fluffy sludge in a certain ration at 5-6MPa; meanwhile, controlling stirring temperature to 40-45DEG C until the moisture content of the mixture is 55-65wt%; carrying out aerobic fermentation on the mixture in a fermentation tank for 6-7 days to obtain the fluffy sludge; andcarrying out aftertreatment on the fluffy sludge to obtain fertilizer or fuel. The method has the effects of high fermentation degree, high fermentation speed and the like and is environmentally friendly, and the fertilizer or fuel obtained by aftertreatment can be used for improving soil or saving energy.

The invention provides a multifunctional surface cleaning agent and a preparation method thereof. The surface cleaning agent is prepared from the following components in parts by weight: 1 to 30 parts of a surfactant, 0.1 to 4 parts of D-limonene, 0.1 to 2 parts of protease, 0.0055 to 0.022 parts of bamboo leaf flavonoid, 0.1 to 10 parts of an auxiliary agent and 10 to 90 parts of water. The multifunctional surface cleaning agent is a product combining a conventional multifunctional cleaning agent and a kitchen heavy oil stain cleaning agent; by reasonably compounding the surfactant, an organic solvent and an enzyme preparation, the stain removing effects of lowering alkalinity and synergistically interacting are realized.

The invention provides an electric leveling support system, comprising an electric leveling leg, a leveling control box, a relay box and an inclination sensor. In the system, an electric control system is adopted and a lead screw is driven to rotate via a speed reducer by a 12V direct-current motor so as to stretch or contract the leveling leg, so that many problems of a hydraulic system at the aspects of installation, use and maintenance are solved; not any oil leaks, no extra weight is increased because of hydraulic oil, and even no valid use space is wasted for storing the hydraulic oil; the weight of the electric leveling support system is far lighter than that of the hydraulic system; and therefore, the fuel economy of a remodeled car can be ensured.

The invention discloses an environmental-friendly aqueous thermally-foamed gluing adhesive plate, which contains no solvent type resin and structurally at least comprises a base material layer used as a bottom layer, a bottom adhesive layer coated on the base material layer and a thermally-foamed adhesive layer coated on the bottom adhesive layer, wherein the thermally-foamed adhesive layer is a pressure sensitive adhesive formed by blending aqueous acryl emulsion modified by a reactive emulsifier with a foaming agent dilatable after being heated and has a favorable bonding characteristic; and in a processing process of an electronic or plastic assembly, the aqueous thermally-foamed gluing adhesive plate is suitable for the temporary gluing of the electronic or plastic assembly to be processed for processing, and when the assembly is required to be recovered after the processing is finished, the processed assembly can be separated from the aqueous thermally-foamed gluing adhesive plate only by heating for a certain time under fixed temperature, therefore, the aqueous thermally-foamed gluing adhesive plate has the environmental-protection effect of reducing the discharge of VOC (Volatile Organic Compounds).

The invention provides an emulsion adhesive for paper-product packaging and a preparation method thereof. The method comprises: Polyvinyl alcohol, instant starch, polyvinyl acetate emulsion, water and kaolin, swell soil, titanium dioxide pigment, calcium carbonate, rubberlith and sodium hexametahposphate are used as main materials; the solid polyvinyl alcohol is dissolved with the water, later dispersed uniformly with the polyvinyl acetate emulsion, alcohol ester and an antiseptic and grinded into a glue liquid of 160 to 200 meshes; then after the kaolin, the swell soil, the titanium dioxide pigment, the calcium carbonate, the rubberlith, the sodium hexametahposphate and the instant starch are uniformly mixed, water is added for stirring the mixture into a uniformly mixed material; the glue liquid and the uniformly mixed material are dispersed together; moreover, a titanium ester coupling agent is added for obtaining the emulsion adhesive after being uniformly mixed. The emulsion adhesive is friendly to the environment, has fast drying speed, high intensity and low cost, is especially suitable to the sticking operation of high-grade paper boxes, has simple preparation technique and considerable economic benefit as well as has excellent market prospect.

The invention discloses a preparation method of a porous hollow carbon microsphere co-doped with oxygen and nitrogen. A spherical precursor (namely composite microsphere) is obtained by spray drying on a mixed solution of lignin and a metal compound, the crosslinking degree of the spherical precursor is improved by oxidizing the spherical precursor in air in advance, so that the spherical morphology during the subsequent carbonization process protected by inert atmosphere is maintained, and the porous hollow carbon microsphere co-doped with oxygen and nitrogen is finally obtained by oxidization of concentrated nitric acid. The preparation method is simple in process, production on a large scale is easily achieved, moreover, the main raw material lignin is industrial waste such as papermaking and is low in cost, and high utilization of the microsphere can be achieved; and the porous hollow carbon microsphere prepared by the method is uniform in grain size, high in size controllability and has relatively large specific area and developed hierarchical hole structure, and the electrochemical performance is excellent when the porous hollow carbon microsphere is used as a supercapacitorelectrode material.

The invention relates to a silicoaluminophosphate molecular sieve catalyst, a preparation method, and a use thereof. The invention relates to a preparation method for a silicoaluminophosphate molecular sieve catalyst. The method comprises the following steps: (a) preparing a mixed solution containing a template agent, silicon source, aluminum source, phosphorus source, and a matrix material; (b) optionally, aging the mixed solution; (c) carrying out crystallization for the optionally-aged mixed solution through a hydrothermal crystallization method; (d) optionally, mixing the crystallized mixed solution and a peptizing agent to form a uniform slurry; (e) carrying out a forming treatment for the crystallized mixed solution from the step (c) or the uniform slurry from the step (d) to obtainthe formed product; (f) baking the formed product to obtain the silicoaluminophosphate molecular sieve catalyst. The invention further relates to the silicoaluminophosphate molecular sieve catalyst prepared through the method, the use of the silicoaluminophosphate molecular sieve catalyst as a catalyst for preparation of methanol through olefin, and a method for preparing methanol through olefin.The method provided by the present invention has characteristics of environmental friendliness and low cost.

The invention discloses a method for making an artificial board with wood leftover materials and straw. According to the method, the wood leftover materials and the straw are used as raw materials to make the artificial board. Compared with a common artificial board, the artificial board is more environment-friendly, the ageing resistance, anti-bacterial property, corrosion resistance, flame retardant property and water resistance are more excellent, and the service life is longer. Moreover, the wood leftover materials and crop straw can achieve waste recovery, so that production cost of the artificial board is reduced, and social benefits and economic benefits are remarkable.