261results about How to "Promotes rapid oxidation" patented technology

The invention discloses a photochemical advanced oxygenation-based simultaneous desulfuration and denitration system. The system is provided with a burning and exhausting system consisting of a burner, an electrostatic dust collector, a heat exchanger, a spray tower, a liquid adding tower and a chimney, wherein fume generated by the burner enters the electrostatic dust collector, fume particles are removed from the fume by the electrostatic dust collector, the fume enters the heat exchanger and is cooled by the heat exchanger, and then the fume enters the spray tower; an UV light tube is arranged in the spray tower; hydrogen peroxide solution from the liquid adding tower is pumped by a circulating pump, sprayed into the spray tower through an atomizing nozzle and is activated by ultraviolet light to decompose hydrogen peroxide and then generate hydroxyl radicals (.OH) with strong oxidizing property; after being contacted with the fume in the spray tower, the hydroxyl radicals undergoes a gas-liquid absorption reaction with the fume to oxidize and remove NOx and SO2 in the fume; the fume, after being absorbed and washed, enters the chimney from the top of the spray tower and is exhausted; and sulfuric acid solution and salpeter solution generated in the spray tower are pumped into the separating column by the circulating pump and are reacted with added ammonia water to generate agricultural fertilizers including ammonium sulfate and ammonium nitrate.

The invention discloses a method for synchronous desulfurization and denitrification of marine vessel exhaust, which belongs to the field of the air pollution control and the marine vessel exhaust emission control. In the method, exhaust passes through a spray humidification and cooling zone, an ozone decomposition and free radical oxidation zone and a seawater washing zone in sequence, thereby realizing synchronous desulfurization and denitrification. The spray humidification and cooling zone which consists of a small seawater pump, an exhaust humidification and cooling pipeline and a spray nozzle can humidify and cool the exhaust; the ozone decomposition and free radical oxidation zone which consists of an ozone decomposition and free radical oxidation device, an ultraviolet lamp and an ozone generator can rapidly convert SO2 and NO into hydroxyl acid and nitric acid through hydroxyl and the like; and the seawater washing zone which consists of a seawater washing tower, a filler and a large seawater pump can convert the hydroxyl acid and the nitric acid into sulfate and nitrate and discharge the exhaust and washing water meeting standards. The synchronous desulfurization and denitrification system formed through the invention has the advantages that the size is small, no seawater quality restoration system and raw material storage and transportation are needed, the products can be directly discharged into the sea, and the like.

A two-component, water based micro encapsulation composition and method for the cleanup of hydrocarbon spills or contaminates on various surfaces and media. The two-part formulation includes a first solution including water in a predetermined ratio of a water soluble alkaline silicate solution having at least one alkali metal and a predetermined ratio of at least one water soluble surfactant; and a second solution including water, a predetermined ratio of water soluble acid, a predetermined ratio of water dispersible polymer, a predetermined ratio of water soluble hydrotrope, and a predetermined ratio of at least one water soluble flocculating agent. A method of using the two-part formulation includes preparing the two-part formulation, allowing the first solution to contact the hydrocarbon or chemical contaminate; allowing the second solution to contact the first solution and contaminate to form a homogeneous mixture; and removing the homogeneous mixture.

The invention discloses a method for low-temperature oxidative degradation of organic gas. The method comprises the steps that a nanotube limited-range active component catalyst is used as a catalyst, a reaction is carried out under the conditions that the temperature is 45-220 DEG C and the airspeed is 100-100000h<-1> for 0.5-1500h for a catalytic oxidation degradation reaction of organic gas, and the organic gas is oxidized into degradation reaction and water. According to the method, by means of the nanotube open-framework structure and micronanospace, the active component of the catalyst for treating organic gas is planted into the nanotube open-framework structure to prepare the nanotube limited-range active component catalyst with high activity and stability, the limited-range catalyst is used for oxidative degradation of organic gas and can rapidly oxidize the organic gas at a low temperature into carbon dioxide and water, the organic gas removal rate reaches up to 95% or more, the catalyst is high in activity and long in service life, and the problems that reaction temperature is high, catalyst activity and stability are low and the catalyst active component service life is short in the prior art are solved.

Composition and process of surface modification of soil particles by coating to improve fertility, better moisture and nutrients retention, flooding resistance, and longer freeze-thaw-freeze cycle life.

The present invention relates to structured triglyceride, to parental nutrition emulsions comprising same, and use thereof. In particular, the invention relates to structured triglycerides comprising at least one medium chain C6-C12 fatty acid and at least one fatty acid selected from the group consisting of long chain C14-C18 or very long chain C20-C22 fatty acids, preferably each fatty acid is present in a predetermined position of the glycerol backbone. The parenteral nutrition emulsions are particularly useful for nourishing preterm-and term-infants, children, critically ill patients, and cancer patients.

A battery electrolyte level indicator constructed for substitution of a battery cap on a multi-cell battery. The electrolyte level indicator has an outer housing construction in the shape of a cap to be screw mounted into the open upper end of the port leading into the battery cell. A probe extends from the housing or cap, into the battery electrolyte. A light indicator, such as a light emitting diode, is mounted on the exterior of the cap housing and will become automatically energized in a fail-safe condition if the electrolyte is at a sufficient level within the cell. However, if the level of the electrolytes should drop below the depth of the probe, then the indicator light will be deenergized, thereby immediately providing an advisory signal to the operator of an unsafe battery condition. The probe is constructed so as to operate as an anode in combination with a cathode of the battery. Moreover, the probe is formed of a material which, when connected in this arrangement, is highly resistant to corrosion.

The invention discloses preparation of Co3O4 / CeO2 composite oxide and catalytic application in low-temperature oxidation of carbon monoxide. The atomic ratio of Co to Ce in the Co3O4 / CeO2 composite oxide is 19 / 1. The Co3O4 / CeO2 composite oxide has a strong oxidation function, at a lower temperature (196K), the conversion rate of the catalyst for CO oxidation is 99%, and can be continuously maintained for more than 480min, and when a reaction gas contains 3.1vol.% of moisture, and the temperature is 383K, the CO conversion rate still maintains at 81% after 2580min of reaction.

A method for preparing a magnesium alloy transmission electron microscope sample relates to a method for preparing a metal transmission electron microscope film sample. The invention is characterized in that the preparation process uses the electrolyte containing the components with volume proportions as follows: 8-12% of nitric acid, 55-65% of methanol or ethanol, and 25-35% of propanetriol, propanediol or glycol, and the sample is thinned by using an electrolyte double spraying method; electrolysis double spraying is carried out at a voltage of 15-25V and the temperature is controlled between -35 DEG C and -20 DEG C. By adding the propanetriol and electrolyzing at a low temperature, the sample surface oxidation by strong electrolyte acid can be effectively avoided. The method has the advantages of no stress in thinning process, high thinning speed, no erosion and large thinning area of the sample surface, and the like; and the method is applicable to quick and large preparation of high quality magnesium alloy film samples.

A metal film containing a metal is formed on a silicon layer, and then a surface portion of the silicon layer and the metal film are oxidized so as to form a silicon oxide film containing the metal in a surface portion of the silicon layer.

The present invention pertains to nutritional compositions containing specific blends of dietary lipids adapted to specifically influence the level of intramyocellular lipids in muscle tissue towards either higher concentrations or lower concentrations.

The invention discloses an ammonium sulfite oxidation process and device. The device comprises an oxidation tank of which the bottom is provided with a slurry discharge pump, and also comprises an ammonification pipeline, an oxidation air duct and a plurality of layers of porous plates arranged at intervals, wherein the ammonification pipeline is communicated with the top of the oxidation tank; the oxidation air duct is arranged in the oxidation tank and is positioned on the lower part; and the porous plates are arranged in the oxidation tank and are positioned in the middle part. The ammonium sulfite slurry is fed into a slurry tank, ammonia water is added to regulate the pH value of the ammonium sulfite slurry to be 6-8, the ammonium sulfite slurry is fed into the oxidation tank from the top of the oxidation tank, and the ammonium sulfite slurry slowly flows to the bottom of the oxidation tank from the top of the oxidation tank; the oxidized air is jetted into small bubbles through the oxidized air duct and enters the ammonium sulfite slurry, and the small bubbles are crushed through the porous plates and are contacted with the ammonium sulfite slurry for carrying out an oxidation reaction; and the slurry is pumped by the slurry discharge pump after the oxidation reaction is ended. According to the device, the ammonium sulfite in high-concentration ammonium sulfate solution can be rapidly oxidized, the recovery cost of the ammonium sulfate is reduced, and ammonium and sulfur dioxide are prevented from escaping in the oxidization process.

The over charge protection of a lithium ion cell is improved by using an electrolyte comprising at least one redox shuttle additive that comprises an in situ generated soluble oxidizer or oxidant to accelerate other forms of chemical overcharge protection. The oxidizer can be employed in combination with radical polymerization additives.

A three-layer rapid composting device and a composting method by the device relate to a composting device and a composting method by the device. The invention aims to solve problems of long composting period, odor pollution and low fermentation efficiency that exist in an existing membrane-covered composting method. The device of the invention comprises a trapezoid cement base, a draught fan, a perforated feed pipe, a V-shaped percolate guiding chute, a waterproof and breathable membrane, a percolate draft tube and a percolate collecting box. the method of the invention comprises the following steps: 1, burden distribution: a fermentation material and a compost clinker are mixed and the mixture is placed at the bottom of the three-layer rapid composting device, the compost clinker is covered, and a waterproof and breathable membrane is covered; 2, fermentation for 7-20 days. According to the invention, the compost clinker and the fermentation material are mixed without adding a conditioner. Thus, purchase expense of a conditioner is reduced, composting period is shortened, and energy consumption is decreased. By changing ventilation direction, no energy is additionally added. In addition, fermentation efficiency is enhanced, and composting period can be remarkably shortened.

The invention discloses an N(2)-L-alanyl-L-glutamine preparation for injection and a preparation method thereof. The preparation is prepared through directly preparing a liquid with a raw material N(2)-L-alanyl-L-glutamine, freeze-drying, and carrying out separate packing. The method comprises the following steps: (1) taking the raw material N(2)-L-alanyl-L-glutamine, adding water for injection, and fully stirring to completely dissolve N(2)-L-alanyl-L-glutamine; (2) adding needle active carbon to a solution obtained in step (1), fully stirring, filtering to decarburize, and carrying out germ filtering through passing through a filter with a diameter of 0.2 [mu]m; (3) putting a filtrate obtained in step 2 into a sterilized freeze-dried disc, loading the disc into a cooling chamber of a freeze dryer, and carrying out pre-freezing, vacuumizing, heating, sublimation drying, desorption drying, and vacuum break to end freeze-drying; and (4) accessing high purity nitrogen for drying and degerming, taking out of the chamber, carrying out asepsis packing, tamponading, and capping. So N(2)-L-alanyl-L-glutamine for injection is obtained.

The invention discloses a low-friction-coefficient MoS2 based metal composite solid lubricating film. The low-friction-coefficient MoS2 based metal composite solid lubricating film consists of the following components in atomic percentage: 2at%-38at% of Cu, 0-12at% of Al and the balance of MoS2. A preparation method for the low-friction-coefficient MoS2 based metal composite solid lubricating filmcomprises the following steps of: pre-depositing a Ti or Al pre-combined layer on the surface of a substrate before magnetron sputtering and coating; and performing magnetron sputtering on a metal target and a MoS2 target, thereby obtaining the low-friction-coefficient MoS2 based metal composite solid lubricating film. The low-friction-coefficient MoS2 based metal composite solid lubricating filmdisclosed by the invention improves a composition system of combining a molybdenum disulfide solid lubricating film and a metal additive, solves the problem that the molybdenum disulfide solid lubricating film is relatively poor in wear resistance and is harsh in operating environment in use of the molybdenum disulfide solid lubricating film, provides multi-occasion using possibility of the molybdenum disulfide based film, and prolongs the service life of the film.

The invention provides a method for measuring total iron content in fly ash. The method comprises the steps that 1) a sample to be measured is weighed, concentrated hydrochloric acid, a sodium fluoride solution and a stannous chloride solution are added into the sample to be measured and are heated to dissolve the sample; 2) the stannous chloride solution is continuously dripped into the sample in the sample dissolving process until the test solution is faint yellow or colorless; 3) after the sample is dissolved completely, solid potassium permanganate is added into the sample, and the solution is boiled until the solution is reddish; 4) the stannous chloride solution is dripped into the test solution again to enable the test solution to return to be faint yellow, the volume of the solution is concentrated to be about 20mL, then 100mL of water is added into the solution, and the solution is cooled down; 5) sodium tungstate is used as an indicator, a titanium trichloride solution is dripped into the test solution to enable the test solution to return to be light blue, titration is immediately conducted by a potassium dichromate standard titration solution after the test solution is faded to be colorless from light blue, and the total iron content is computed according to the volume of wasted potassium dichromate standard titration solution. The method for measuring the total iron content in the fly ash eliminates interference of reducibility ions in the test solution, and improves accuracy.

Container with an opening and closing element (5) for wine or a similar beverage, comprising three distinct elements (2-4) made of plastic and assembled by welding, these being a flexible laminate (2) that forms the side wall of the said container, an end wall (4) and a shoulder (3) comprising a neck; characterized in that at least one of the three elements (2-4) is oxygen impermeable and in that at least one other element (2-4) is oxygen permeable.

Systems and methods for fabricating nanostructures using other nanostructures as templates. A method includes mixing a dispersion and a reagent solution. The dispersion includes nanostructures such as nanowires including a first element such as copper. The reagent solution includes a second element such as silver. The second element at least partially replaces the first element in the nanostructures. The nanostructures are optionally washed, filtered, and / or deoxidized.

The invention discloses VOCs treatment process and equipment using heterogeneous catalytic oxidation. The VOCs treatment process is characterized in that O3, H2O2, UV and hydraulic cavitation effects are integrated to allow the oxidant and the oxidation manner to have a synergic effect so as to generate a large amount of hydroxyl radicals to achieve the oxidation effect. The VOCs treatment process and equipment has the advantages that the O3 / H2O2 / UV / hydraulic cavitation technologies are integrated to generate a large amount of hydroxyl radicals, and the oxidation effect is increased greatly; the equipment is operated under normal temperature and normal pressure and is simple and safe to operate and capable of synchronously desulfurizing, removing heavy metals and removing waste gas components such as dioxin.

The invention discloses a composite microcapsule wall material, microcapsules and a preparation method of the microcapsules. The composite microcapsule wall material consists of colloid with positive charges and colloid with negative charges, wherein the colloid with positive charges refers to an epsilon-polylysine-vitamin E succinate amide complex. The epsilon-polylysine-vitamin E succinate amide complex serves as one component in the composite microcapsule wall material, and according to the prepared microcapsules, the stability and oxidization resistance of the core material can be obviously improved, so that the core material is difficult to deteriorate, and the quality guarantee period is prolonged.

The invention discloses an internal recycle photoelectron-catalytic oxidation combined treatment device. According to the treatment device, a water inlet (2) is formed in the bottom of a treatment device cylinder (1) and is communicated with a circular water distributor (3); wastewater is uniformly distributed to the bottom of the device through the circular water distributor (3); a photoelectron-catalytic oxidation combined treatment system (4) is arranged above the circular water distributor (3); a sediment mud bucket (5) is arranged under the circular water distributor (3) and is communicated with a mud discharge hole (6); under the condition that a direct-current power supply is loaded to the photoelectron-catalytic oxidation combined treatment system (4), the wastewater is lifted to the top of the device from the bottom of a photoelectron-catalytic oxidation unit (7); part of the wastewater is discharged out from a water outlet (9) in the upper part of the device; another part of the wastewater is further circulated to the bottom of the photoelectron-catalytic oxidation unit (7) through a central partitioning cylinder (8) and is mixed with water, then circulation of the wastewater inside the photoelectron-catalytic oxidation combined treatment system (4) is achieved, mud dregs generated from reaction can be discharged out from the mud discharge hole (6) at regular time, and generated tail gases can be discharged out from a top tail gas treater (10).

The invention provides a method for preparing a water purifying agent containing polyaluminum sulfate from aluminum ash, sulfuric acid and optional red mud, and the method comprises the following steps: uniformly mixing the aluminum ash with sodium carbonate and / or sodium hydroxide and a calcium-containing raw material, roasting at 400-1000 DEG C in an oxidizing atmosphere, reacting a roasted product with the sulfuric acid and the optional red mud until the pH value of slurry filtrate is 3.0-4.0, Al2O3 accounts for 5-12m%, and the basicity is 40-75, filtering to obtain filtrate as the water purifying agent containing the polyaluminum sulfate, and washing filter residue to obtain solid residue for further utilization or tockpiling and landfill. Through the steps of mixing and roasting, theflammable and combustible problems of hydrogen released by metal aluminum hydrolysis or acidolysis, the ammonium nitrogen problem in purified water caused by entering of ammonium produced by acid hydrolysis of aluminum nitride into the water purifying agent, the activation problem of low-activity alumina, especially alpha-alumina, and the problems of stabilization and harmlessness of fluorine in the aluminum ash which need two or three steps to be treated in the prior art can be solved in one time. The hardness of treated water increases slightly during the use of the water purifying agent product.

Provided is a process for purifying a letrozole product that contains an isoletrozole impurity, which process preferably includes converting at least a portion of the isoletrozole impurity into 4,4′-dicyanobenzophenone and removing 4,4′-dicyanobenzophenone, to produce a purified letrozole product.