41 results about "Particulates" patented technology

The present invention relates to a resin composition comprising a resin and apatite, wherein referring to the particulate form of said apatite present in the resin composition thus obtained, the apatite is present in a particulate form having an average diameter or average thickness (d) of not greater than 100 nm and an average aspect ratio (L/D) of not smaller than 5 as defined by the ratio of the average length (L) to said average diameter or average thickness (d).

The flow of a stimulation fluid may be diverted from a high permeability zone to a low permeability portion of a subterranean formation by use of an acid soluble or acid degradable solid particulate and a composite of an acid or an acid generating compound adsorbed onto a water-insoluble adsorbent. Conductive flow of hydrocarbons from an occluded fracture may be resumed by release of the acid from the adsorbent or the acid generating compound.

A method of melt infiltration for producing a ceramic matrix composite comprises applying a surface slurry onto one or more outer surfaces of an impregnated porous preform. The surface slurry comprises a solvent and particulate solids, and the preform comprises a framework of ceramic fibers loaded with particulate matter. The surface slurry is dried to form a porous layer comprising the particulate solids on the one or more outer surfaces of the impregnated porous preform. After forming the porous layer, an end portion of the impregnated porous preform that includes at least part of the porous layer is immersed in a molten material, and the molten material is infiltrated into the impregnated porous preform from the end portion. The porous layer serves as a wick to transport the molten material over the one or more outer surfaces, thereby enabling melt infiltration of the impregnated porous preform from other portions thereof.

A particulate co-processed composition comprising microcrystalline cellulose and at least one sugar alcohol is disclosed. A preferred sugar alcohol is mannitol. The composition has an improved compactability profile, lubricant sensitivity, and ejection profile compared to microcrystalline cellulose and the at least one sugar alcohol, either alone or in combination as a simple dry blend, in the preparation of solid dosage formulations, such as tablets. Tablets comprising the particulate co-processed composition, an active, and, optionally, one or more other excipients, and method for their preparation, are also disclosed.

The invention discloses a method for fracturing a coal seam by employing high-pressure gas. The method comprises the following steps: (1) tipsily drilling from a lower floor roadway of the coal seam to an upper coal seam; (2) inserting three pipes into a drill hole, and injecting polyurethane which is 20-50cm in thickness into the drill hole; (3) injecting cement mortar into the drill hole from a first grouting pipe, and shutting off a first which is arranged at the rear end of the first grouting pipe until the cement mortar overflows from a second grouting pipe; (4) injecting plugging mucilage glue containing particulate matters into the drill hole by virtue of the second grouting pipe after 12-24 hours; (5) injecting a high-pressure gas of which the pressure is 30-60MPa into the drill hole through a fracturing extraction pipe. According to the method disclosed by the invention, the plugging mucilage glue containing particulate matters is pressed into a pore fracture of a rock section under the effect of air pressure; the high-pressure gas is plugged by virtue of the mucilage glue; the problem of air leakage of the high-pressure gas in the coal seam fracturing process is effectively solved; the gas pressure of the fractured coal seam reaches the cracking pressure of the coal seam.

A method and apparatus for use with an oxidizer assembly of a fuel cell system in which the oxidizer assembly has an oxidizing unit for oxidizing anode exhaust gas containing electrolyte particulates and is adapted or conditioned so as to enable the electrolyte particulates to be removable from the assembly and to be removed from the assembly, and wherein the conditioning and removing occur with the oxidizing unit retained in the oxidizer assembly. The fuel cell system is also adapted so that such conditioning and removing occur with the oxidizing assembly retained in the fuel cell system.

The invention provides an electron-grade hydrochloric acid production method. The electron-grade hydrochloric acid production method sequentially comprises the following steps that 1, synthesized hydrogen chloride gas enters an adsorption tower so as to remove free chlorine; 2, a reagent-grade hydrochloric acid solvent is adopted to enter a washing tower from the inlet in the upper part of the washing tower to wash the adsorbed hydrogen chloride gas so that soluble impurities can be removed; 3, the washed hydrogen chloride gas passes through first condensation and secondary condensation and enters a demister so as to remove mist, so that high-purity hydrogen chloride gas is obtained; 4, high-purity hydrogen chloride is absorbed by a first and a secondary falling film absorber and a tail gas absorbing tower, and then passes through a hyrochloric acid cooler, so that a finished product is obtained; 5, absorbant water adopts hyperpure water; and 6, the finished product obtained in the step 4 enters a finished product storage tank, and is ultrafiltered to remove particulate impurities, so that electronic hydrochloric acid is obtained. The electronic hydrochloric acid production methodhas the characteristics of simple technology, continuous production, good stability,simple equipment, and the like.

A method of producing a powder mass for a lithium battery, the method comprising: (a) mixing graphene sheets and an elastomer or its precursor in a liquid medium or solvent to form a suspension; (b) dispersing a plurality of particles of an anode active material in the suspension to form a slurry; and (c) dispensing the slurry and removing the solvent and/or polymerizing/curing the precursor to form the powder mass, wherein the powder mass comprises multiple particulates of the anode active material, wherein at least one of the particulates is composed of one or a plurality of the particles encapsulated by a thin layer of graphene/elastomer composite having a thickness from 1 nm to 10 μm, a lithium ion conductivity from 10⁻⁷ S/cm to 10⁻² S/cm and an electrical conductivity from 10⁻⁷ S/cm to 100 S/cm.

A simple and accurate separation purification method for object biomolecules or bio-associated substance through a particulate aggregative reaction is provided. A microfluidic circuit utilizing a particulate aggregate as a detection marker in a nonfluorescence method such as an electrochemical method or surface plasmon resonance is provided. The separation purification method comprises the steps of forming a particulate aggregate by a reaction between particulates modified with a labeling substance specifically reacting with a label object substance and biomolecules or a bio-associated substance containing the label object substance and separation-purifying the particulate aggregate. The microfluidic circuit utilizes this separation purification method.

A method for packing and/or mixing particulate materials, e.g., aerogel particles, includes combining materials having different particle sizes and applying a negative pressure differential in the presence of a sound field. A negative pressure differential in the presence of vibration also can be used. The method increases mixing and packing density.

A primary particulate diffusion eliminating method and an apparatus thereof belong to the technical field of environmental science and engineering, and relate to a method and an apparatus for implanting unipolarity ions to charge and thicken PM 2.5 by diffusion charging thickening, and trapping to eliminate PM 2.5 primary particulates. The apparatus is characterized by comprising a unipolarity ion generation part, a diffusion charging part and an electron trapping part; the eliminating method is characterized by comprising: implanting the PM 2.5 primary particulates and high-concentration unipolarity ions in a high-frequency high-pressure alternating electric field at a time, thickening into primary particulates each with particle size of larger than 2 [mu]m via diffusion charging coagulation, trapping under the effect of static electric field active force to eliminate pollution of the PM 2.5 primary particulates with elimination rate of 85%-99.8%. An effective method is provided for elimination of PM 2.5 primary particulate atmosphere pollution, also can be used in ultrafine dust diffusion charging pre-coagulation of dedusters, and has the advantages of being high in trapping efficiency, substantially low in initial investment and operation cost and energy consumption, and the like.

The present invention provides for an absorbent pad for absorbing liquids exuded from a body, comprising a planar body having a top surface, a bottom surface and an outer perimeter defining a middle portion; a particulate blended and dispersed within at least one of the top surface, the bottom surface or the middle portion of the planar body; the particulate has greater absorbent characteristics than the planar body, is less than or equal to ¼″ in dimension and is peat moss.

A toy such as a plush toy having various sanitizing features is disclosed, The toy of the present invention optionally includes an air purifying device such as an ionizing device or an ozone device disposed within an interior cavity of the toy. The toy optionally includes a visco-elastic material. The visco-elastic material may be infused with an anti-microbial nano-material such as a silver nano-material. Furthermore, an outer material layer of the toy optionally includes an antimicrobial agent, and can be removable and washable to reduce or eliminate air particulate. An optional liner may be hypoallergenic. The air purifying device is optionally activated via a sensor, such as a motion or heat sensor, and is optionally deactivated via a timer.

The invention provides a different-diameter porous separation membrane. The different-diameter porous separation membrane comprises a flat sheet membrane with two parallel separation layers. A plurality of different-diameter support pores are formed in the middles of the separation layers of the two parallel separation layers. The different-diameter support pores are arranged sequentially to form pore passages. The different-diameter porous separation membrane is of a rectangular structure. The inner pore passages in the middles of the two parallel separation layers form corrugations. The different-diameter support pores are produced in the middles of the two parallel separation layers through spinning plates. The different-diameter porous separation membrane has the advantages that to overcome the defects of small filling area and poor anti-pollution capability of flat sheet membranes, the flat sheet membrane with the two separation layers is formed through the parallel separation layers, and filling area of the flat sheet membrane is increased; the different-diameter support pores are formed in the middles of the two parallel separation layers, the middle pore passages play a support role, flow-out of outlet water is facilitated, turbulences of fluids are increased, sedimentation of particles is reduced, and accordingly, membrane contamination is reduced. Two problems in filling area and anti-pollution capability of flat sheet membrane components are solved sufficiently.

A solid seasoning product in the form of a stick, rod, thread, band, bead, pellet or ribbon from 20 mils to 250 mils thick and having a geometry as a shaped mass that enables the product to be inserted into or mixed with food comprising meat, poultry, rice, grains or other particulate foods prior to heating to prepare the food. The product is composed of a binder matrix holding a seasoning or mixture of seasonings. The binder disintegrates during heating of the food to release the seasoning.

The invention relates to a method for processing mass concentration data of a suspended sediment based on a laser particle size analyzer. The method mainly comprises the following steps of acquiring volume concentrations of suspended particles with different particle sizes at each site of an observation sea area by use of the laser particle size analyzer; performing mass control on the original data of the acquired volume concentrations of the suspended particles with different particle sizes; performing linear fitting according to the mass concentration of the suspended sediments measured bya chemical weighing method at partial sites and the total volume concentration of the suspended particles at corresponding positions by use of a least square method to acquire a fitting coefficient and a correlation coefficient; and fitting the mass concentration of the sediment at each site according to the total volume concentration of a suspended matter at each site of the surveyed sea area byuse of a fitting relation acquired by linear fitting.

The invention relates to the technical field of waste gas purification, and particularly relates to an efficient waste gas purification all-in-one machine utilizing photo-oxidation catalysis and activated carbon adsorption. The machine comprises a photo-oxidation catalytic tank, wherein a purifying tank is arranged on one side of the photo-oxygen catalytic tank, a cavity is formed in the photo-oxygen catalytic tank, a plurality of lamp holders are arranged at the bottom of the cavity, a zigzag glass tube is arranged between every two lamp holders, the two ends of each zigzag glass tube penetrate through the two sides of the photo-oxygen catalytic tank, and the air outlet end of each zigzag glass tube further penetrates through one side of the purifying tank and extends into a purifying cavity; circular grooves are formed in the lamp holders, high-energy high-ozone UV lamps are arranged in the circular grooves, and a plurality of layers of efficient adsorption activated carbon plates are arranged in the purifying cavity. According to the invention, the high-energy high-ozone UV lamps, the zigzag glass tubes and the high-efficiency adsorption activated carbon plates are arranged, sothat ultraviolet light beams emitted by the high-energy high-ozone UV lamps can crack waste into harmless low-molecular-weight compounds, the efficient adsorption activated carbon plates can filter dust particles, and the problems that waste gas treatment in a factory is not thorough enough, a small amount of waste gas and a small amount of dust particles are contained in exhausted gas, and the environment is polluted are solved.

A space and time alternate positive and negative ion generator and spreader can generate and spread large amounts of ions into the atmosphere, and by means of electrostatic interaction, can clean sand storm, micronic dust and atmospheric environment under PM 2.5 (particulate matter 2.5) pollution, remove fog and assist artificial rainfall to reduce damage due to nuclear radiation and proliferation when sudden nuclear leakage occurs. Disclosed is a respirator system protecting mask. The respirator system protecting mask is a nose and mouth cover bowl composed of a plurality of units, has certain physicochemical effects on inhaled air, and by means of various effective medicine atmospheres, continuously and directly acts on the surface of the respiratory tract of a human to achieve dedusting, sterilization and disinfection to improve the antiviral and disease-resistant ability of the human and further to avoid certain respiratory diseases. After being widely applied and due to high utilization frequency and high standby degree, the respiratory system protecting mask can serve as a gas mask to save time for escape when emergency occurs, thereby improving the survival rate of victims in fire emergency.

The invention relates to a mobile source tail gas particulate matter sampling device and method. The device comprises a controller, a sampling device, a flow meter, a working condition monitoring device and a delay starting device. The sampling device comprises a sampling pipe, a shunt pipe and a plurality of sampling channels, each sampling channel is provided with a first electromagnetic valve, a timer and a sampling film, and the delay starting device is connected with the first electromagnetic valve and the timer; the flow meter measures the flow of the tail gas; and the working condition monitoring device obtains the real-time working condition of the moving source. Compared with the prior art, the device is provided with a plurality of sampling channels, the sampling channels can be switched according to working conditions, and long-time sufficient sampling of a single working condition can be realized without halting to replace a sampling membrane; and the delay starting device is arranged, when the working condition is switched, the delay time of tail gas flowing is calculated according to the current real-time tail gas flow and the volume of the exhaust system, the situation that sampling is not accurate due to tail gas flowing delay is avoided, a sampling sample of a sampling film accurately corresponds to the working condition, and the measuring accuracy is improved.

An air floatation sewage treatment device based on superoxide nano micro-bubbles comprises a wastewater tank, a dosing storage tank and an air floatation tank, the wastewater tank and the dosing storage tank are communicated with the air floatation tank through a mixing pipeline, and a water inlet pump and a nano microbubble generating device are further arranged on the mixing pipeline; the interior of the air floatation tank is divided into a release area, a sedimentation area and a water outlet area, the release area and the sedimentation area are separated by a first flow guide plate, the sedimentation area and the water outlet area are separated through a second flow guide plate, and a water outlet is formed in the bottom of the water outlet area; the sedimentation area is internally further provided with a slag discharging pond which is used for separating the sedimentation area from the upper part of the sedimentation area, the top of the sedimentation area is provided with a slag floating machine used for scraping floating slag at the upper part of the sedimentation area into the slag discharging pond, a slag discharging hole is formed in the bottom of the slag discharging pond, and a plurality of second sludge discharging hoppers which are sequentially arranged are arranged at the bottom of the sedimentation area. The device is reasonable in design, the generated micro-bubbles are small in diameter and long in retention time in water, particles in water can be effectively adhered and separated, and the sewage treatment effect is good.

The invention discloses a removing device and a removing method for particulate pollutants generated by combustion of biomass fuel. The removing device comprises a chimney, a wet-type electric dust remover, a smoke condenser, a wet-type ash remover, a spiral ash remover, a combustion chamber and a heating furnace shell. The wet-type electric dust remover is arranged in the chimney. The smoke condenser sleeves the chimney. The wet-type ash remover is arranged at the lower end of the chimney. The smoke condenser is connected with the upper end of the spiral ash remover. The combustion chamber and the spiral ash remover are arranged in the heating furnace shell. A feed port communicated with the inside and the outside of the heating furnace shell is arranged on the combustion chamber. Smoke contains a large quantity of steam after the biomass fuel combusts, the steam can be condensed to form a thin water film on the surface of a precipitation pole when the temperature of the smoke continues dropping, and a cooling water jacket is arranged on the outer portion of the precipitation pole, so that exhaust smoke temperature is reduced, and heat of the smoke is recycled; condensed water generated by condensation serves as a water source of the wet-type electric dust remover, so that a water adding device, a water spraying device and the like are omitted, and water pollution is reduced.

The invention discloses an aquaculture sewage circulation purification method. According to the method, particulate matters in aquaculture sewage are filtered by a sewage filter box (3), sewage purification effects are improved, a filter plate (12) is fixedly mounted in the sewage filter box (3), the particulate matters are filtered by the filter plate (12), an opening (13) is formed in the top ofthe sewage filter box (3), the particulate matters in the sewage filter box (3) are conveniently taken out through the opening (13), a second water discharging pipe (14) is fixedly communicated withthe right side of the sewage filter box (3), and a biological purification box (4) is fixedly communicated with the other end of the second water discharging pipe (14). According to the method, the sewage purification effects are improved, soluble and colloid organic pollutants in the sewage are removed, harmful bacteria in the sewage are eliminated, organic matters in the sewage difficult to be oxidized and decomposed by microorganisms or a common oxidation method are adsorbed, water source waste rate is reduced, environment-friendly and saving effects are achieved, water circulation is achieved, and the method has the advantages of environmental friendliness and conservation, so that the method effectively solves the problems that water resources are wasted and ecological environments are destroyed due to existing sewage discharge.

An electrical storage system includes an electric storage zone, an electric storage positioned within the electric storage zone, a cooling fluid source in fluid communication with the electric storage zone via a fluid flow path, a modulating valve in the fluid flow path downstream from the cooling fluid source and upstream from the electric storage zone, and a detector in fluid communication with the electric storage zone. A method for operating an electrical storage system includes adjusting a modulating valve in a fluid flow path to reduce a cooling airflow to an electric storage zone, operating a detector in fluid communication with the electric storage zone configured and adapted to sense at least one of smoke, gas, or other particulates during a detection period with a detection system, and adjusting the modulating valve to increase the cooling airflow to the electric storage zone.