255 results about "Particle adsorption" patented technology

A filter medium, a tackified binder composition and a method for providing a uniformly distributed tackifier on the glass fibers of an unwoven fiberglass web for improving filtration capacity and efficiency. An emulsified tackifier, such as polybutene, is mixed with a conventional binder composition and applied to the fibers before they are expanded into the web. The binder is cured in the conventional manner and the tackifier migrates to the surface on each fiber to enhance particle adsorption.

The invention discloses a microfluid self-driven paper base micro-fluidic chip and a preparation method and application thereof .The preparation method comprises the steps that titanium dioxide particles are subjected to silanization treatment to obtain super-hydrophobic coating liquid, filter paper is soaked in the coating liquid, natural drying is performed at room temperature, and due to the fact that super-hydrophobic nano particles are adsorbed to filter paper filter, a super-hydrophobic filter paper piece of a micro-nano composite structure is obtained; the geometric dimension of the micro-fluidic chip is designed on a mask plate, regional selective exposure is carried out on the micro-fluidic chip through deep ultraviolet light (UV) under the assistance of the mask plate, and therefore the designed pattern of the micro-fluidic chip is copied to the filter paper; the micro-fluidic chip comprises the filter paper and a hydrophilic-hydrophobic layer coating the surface layer of the filter layer; the hydrophilic-hydrophobic layer is provided with at least one hydrophilic flow channel, gradient-changing hydrophilic patterns are designed in the hydrophilic flow channel, and wetting gradient is formed in the flow channel .The microfluid self-driven paper base micro-fluidic chip has the advantages that operation is easy, the manufacturing cost is low, the flow channel with the wetting gradient achieves self drive of microfluid, and the microfluid driving cost is greatly reduced .

The invention provides a pattern forming method including providing a polymerization initiation layer which is obtained by fixing, by a cross-linking reaction, a polymer having functional groups having polymerization initiation ability and cross-linking groups at side chains, on a support, and forming a pattern including a preparation zone and a non-preparation zone of a graft polymer by preparing the graft polymer on the surface of the polymerization initiation layer using graft polymerization, by contacting a compound having a polymerizable group on the polymerization initiation layer and supplying energy imagewise; an image forming method which applies the pattern forming method; a pattern forming material; and a planographic printing plate. A fine particle adsorption pattern forming method and a conductive pattern forming method are also provided.

A device used for treating oil field waste water is characterized of including a water inlet area, a reacting area and a water outlet area. The water inlet area comprises a waste water tank, a water inlet pump and a flowmeter; the water inlet pump is arranged at the outlet of the waste water tank and the flowmeter is arranged on the water inlet pipeline, the reacting area and a water outlet area are located inside the reacting groove, the reacting area is divided into a electrical floating region and a modified magnetic particle adsorption filtration region, wherein the electrical floating region comprises an electric plate the bottom of which is fixed on the device wall by insulation material, a guide flow inclined plate at a dip angle of 45 DEG-60 DEG with the level surface, a perforated pipe which is located on the bottom side of the guide flow inclined plate, a baffle plate located at the bottom and a oil collecting pipe. The modified magnetic particle adsorption filtration region includes a porous plate, a separating plate and modified magnetic particles, wherein the modified magnetic particles are placed in an iron frame. The water outlet area is located on the opposite side of the water inlet area. The disposal unit of the invention is small and compact, the electric devices are less, the power consumption is low and direct current is employed, thereby having low cost working, convenient operation, automatic control and better operability for utilization of actual project.

This invention discloses a method for producing concavo-convex rod(CCR) granule absorption and oxygen-increasing agent. It is composed of: CCR stone clay, natural mineral absorption agent, sodium percarbonate, quick lime and ferrous sulfate. The production steps are: the raw materials are mixed and then pulverized, pressed into pellets, packaged to obtain the finished products. This inventive products, after distributed in pond, can increase the dissolved oxygen (DO), to moderate or eliminate the oxygen deficient in the pond for culturing fish, shrimp, crab or other aquatic animals. It can also absorb ammonia nitrogen, hydrogen sulfide and other toxic matter, and regulate the pH value in water. This inventive product can be produced in shapes of: balls, pellets, blocks, cylinders or other shape.

The invention provides a method for patterning a metal surface. The method comprises the following steps of: firstly, cleaning a metal substrate by chemical or physical treatment and polishing the metal substrate; secondly, performing anodic oxidation treatment on the metal substrate so as to form a porous oxide film on the surface of the metal substrate, wherein the porous oxide film is provided with a plurality of pores with the pore diameters of between 20 and 400 nanometers; thirdly, providing a pattern layer and absorbing ink particles into the pores of the porous oxide film in a printing mode, wherein the particle sizes of the ink particles are between 10 and 300 nanometers; and lastly, sealing the pores so as to form a pore sealing layer which is continuously covered on the surface of the porous oxide film.

The invention provides a moistening mask liquid without an emulsifier. The moistening mask liquid comprises, by weight, 5 to 12% of a humectant, 0.5 to 3.0% of a suspension stabilizing agent, 1 to 10% of grease, 1.0 to 5.0% of a water-soluble active substance, 0.5 to 5.0% of a fat-soluble active substance, 1.0 to 10% of plant extract and 0.01 to 0.3% of a pH value conditioning agent, with the balance being deionized water, wherein the grease is one or more selected from the group consisting of sunflower oil, jojoba oil, avocado oil, olive oil, aloe oil and sweet almond oil, and the suspension stabilizing agent is a three-dimensional stabilizing agent prepared by coating a microcrystalline cellulose porous particle with a particle size of 0.1 to 20 [mu]m with xanthan gum or carboxymethylcellulose sodium. The mask liquid provided by the invention employs the microcrystalline cellulose porous particle in the suspension stabilizing agent to absorb grease with the dissolved fat-soluble active substance and uses xanthan gum or carboxymethylcellulose sodium for suspension adsorption of the porous particle with grease, so the stable mask liquid without any emulsifier is formed; and the mask liquid has no irritation to the skin, and supplements water to the skin and moistens the skin when used, and microcrystalline cellulose particles in a specific particle size range can provide the skin with slippery sensation.

The invention discloses green carbon dioxide supercritical fluid semiconductor cleaning equipment which is used for cleaning semiconductor silicon wafers without water. The equipment comprises a main working chamber for carrying out supercritical fluid cleaning and supercritical drying, a separating chamber for separating carbon dioxide and cleaning waste liquid, a temporary storing tank for storing a cleaning agent for enhancing the cleaning effect and a cosolvent, a carbon dioxide circulation control system for compressing, cooling and storing the carbon dioxide, and the like. all parts are connected by a pipeline with a valve. Under the cooperation of a small amount of organic solvent, the carbon dioxide without surface tension is taken as a cleaning medium and a rinsing solution to go deep into tiny holes to obtain good cleaning and drying effects. By utilizing the equipment, massive consumption of pure water and the pollution brought by chemical agents are avoided, and the problems of structure deformation, particle adsorption and the like caused by the surface tension in the traditional process are solved, and the cycle use of the carbon dioxide reduces the massive discharge of greenhouse gases.

The invention discloses an air purifier control method. An air purifier comprises a particle adsorption device and a particle sensor. The method includes the steps that after the air purifier stops running, the particle concentration of the indoor environment existing during the last start of the air purifier is obtained as the first concentration, and the first time corresponding to the first concentration is determined; after running is stopped for the period of the first time, the air purifier is controlled to be restarted. The invention further discloses an air purifier control device. It is ensured that the air purifier is automatically started at the right time to run and purify air, the quality of air in the indoor environment is improved, the intelligence degree of the air purifier is improved, and the control over the air purifier is more accurate.

The invention discloses a method for detecting [2,2-bis(4-hydroxyphenol)propane] based on aptamer functional magnetic nanomaterial, belonging to the field of food safety testing. The method is used for detecting the content of [2,2-bis(4-hydroxyphenol)propane] in milk, bottled mineral water and the like. According to the method, [2,2-bis(4-hydroxyphenol)propane] specific nucleic acid aptamer functional magnetic nanomaterial and the enrichment effect of a sample treated by magnetic separation through the nanomaterial are utilized, and the target substance in the sample is rapidly concentrated, so that the detection sensitivity is improved. Furthermore, high performance liquid chromatography is combined with the characteristic of high sensitivity of and fluorescence detection, and the recovery rate of eluant absorbed by magnetic nanoparticles can be measured by the high performance liquid chromatography.

A powder filtering mechanism includes a connecting part, a main body, a duct, a suction device and a bracket. The connecting part is in communication with a powder inlet. Moreover, plural filters are disposed within an accommodation space of the main body. The suction device is in communication with the main body. The bracket supports a micro-particle adsorption structure. During operation of the suction device, flying dust of excess construction powder is inhaled into the powder inlet, and a portion of the flying dust is transferred to the accommodation space. After the portion of the flying dust is filtered by the plural filters in multiple filtering steps, micro-particles of flying dust passing through the plural filters are transferred to the micro-particle adsorption structure so as to be adsorbed by the micro-particle adsorption structure.

The invention is a method for carrying on enrichment-groundmass assistant laser analyzing ionized mass spectrum direct analysis to trace peptide and protein product using zeolite nanometer particles as nanometer micro absorbing agent. The zeolite nanometer particle has excellent absorbing effect to the protein and the polypeptide, and it has good compatibility to the groundmass assistant laser analyzing ionized spectrum, the sample absorbed by the zeolite nanometer particle needs no sample rinsing step to carry on groundmass assistant laser analyzing ionized spectrum analysis directly, the operation is simple, avoids the sample loss in rinsing process. The enrichment efficiency to polypeptide in the invention can reach to 1250 times, the protein enzyme sample with 50X10 to the power -12g / micro litre can be testified by the invention.

The invention discloses a method of detecting pathogeny based on an optical microfluidic chip of magnetic microparticles, wherein the optical microfluidic chip of the magnetic microparticles is provided with at least a reaction tank; a prefixed antibody, namely the magnetic microparticles are arranged at the inner side of a top cap of the reaction tank; a prefixed and paired specific recognition monoclonal antibody or polyclonal antibody is arranged at the bottom side of the reaction tank through imprinting by a tamp or through micro-nano sample application; the method comprises the following steps: the determinand in a sample to be detected and the antibody, namely the nanometer magnetic microparticles in the reaction tank are performed a conjugation reaction; the antibody, namely the nanometer magnetic microparticles move up and down in the reaction tank under the action of further changing a magnetic field, and the contact between the antibody, namely the nanometer magnetic microparticles and the determinand in the sample to be detected is increased, thus the speed of reaction and combination is improved, and the reaction time is reduced. Extra magnetic microparticles are further adsorbed to the inner side of the top cap of the reaction tank through changing the direction of the magnetic field; the magnetic microparticles combined with the determinand are fixed at the bottom side of the reaction tank through the action of combining of the paired antibody; the concentration of the determinand is proportional to the density of the nano magnetic microparticles fixed at the bottom side of the reaction tank finally.

The invention relates to the field of lampblack purification equipment, in particular to an electrostatic lampblack purifier. The purifier comprises a housing, and a front filtering and purifying device, a high-voltage ionization field, a low-voltage electrostatic adsorption field, an axial flow fan and a rear filtering and purifying device are sequentially arranged in the shell from left to right. The low-voltage electrostatic adsorption field comprises an electrode plate group and a driving box, a driving mechanism and a lifting mechanism are arranged on the driving box, an oil scraping mechanism used for scraping oil stains on the electrode plate group is arranged on electrostatic lampblack purifier utilizes an air flow as driving force to allow the lifting mechanism to drive the oil scraping mechanism to perform oil scraping operation on the electrode plate, so that real-time cleaning of the electrode plate is achieved, the service life of the electrode plate is prolonged, the electrode plate is kept in a stable and efficient oil mist particle adsorption effect all the time, the lampblack purification efficiency is improved, the electrode plate does not need to be disassembledand cleaned, time and labor are saved, and the maintenance cost of the lampblack purifier is greatly reduced.

The invention belongs to the technical field of water treatment, and particularly relates to bentonite particles, a bentonite particle adsorption column and a method for removing phosphorus in a natural water body. Bentonite is modified to obtain the modified bentonite particles, the modified bentonite particles are used as a filler to obtain the bentonite particle adsorption column, and phosphorus in the water body is removed by the bentonite particle adsorption column. The method which has the advantages that phosphorus in water can be effectively adsorbed, an adsorption agent can be recycled, operation is easy, and safety and reliability are achieved is provided for the problems that in an existing adsorption method, the cost for removing phosphorus in the natural water body is high, and following treatment of an adsorption agent is difficult.

The invention relates to a method for developing latent fingerprints through a multi-metal deposition technology, and belongs to the technical field of fingerprint identification. According to the method, silver particles and copper particles are successively deposited at fingerprint ridge line areas selectively so as to enable the fingerprint ridge line areas to be ash black while enabling valley line areas not to change, and therefore fingerprint morphology is developed. The method specially comprises the steps that a silver nitrate solution is used for activating the fingerprints, a fingerprint check material is immerged in a copper salt solution, and generated copper nano particles are adsorbed onto silver nano particles generated through activation. According to the method, latent fingerprints on various types of objects such as glass, stick band, ceramics and paper can be developed. Compared with an existing multi-metal deposition technology in which gold is used firstly and then silver is used, the method innovatively enables silver nano materials to be used before copper nano materials, so that the sensitivity and the resolution ratio of fingerprint development are greatly improved, meanwhile, the method is simple to operate, environmentally friendly, rapid, good in repeatability and low in cost, and greatly improves practical application value of the multi-metal deposition technology in latent fingerprint development.

The invention relates to a method for absorbing heavy metal in solution through carboxylic nano-crystal cellulose magnetic particles. The method comprises the steps of preparing microcrystal cellulose into nano-crystal cellulose, then preparing nano-crystal cellulose magnetic particles through graft modification and finally wrapping the nano-crystal cellulose magnetic particles in microcapsules to obtain nano-crystal cellulose magnetic particle absorbing agent. The absorbing agent can be used for absorbing heavy metal ions in the solution. According to the method, the microcrystal cellulose is prepared into the nano-crystal cellulose, then nano-crystal cellulose magnetic particles are prepared through graft modification, and finally the nano-crystal cellulose magnetic particles are wrapped in the microcapsules to obtain the nano-crystal cellulose magnetic particle absorbing agent. The method has the characteristics of being wide in raw material and low in cost, and the prepared absorbing agent achieves environmental friendliness, is free of pollution, can be used for absorbing various kinds of heavy metal like plumbum, chromium and copper in sewage, is large in absorbing capacity and good in effect and also has regenerating capacity.

The invention provides a hazy air treatment device. The hazy air treatment device comprises an air treatment system, a water circulation system and an energy recovery system, wherein the air treatment system in a main box body comprises a first filter, a second filter, a first evaporator, a particle adsorption device, a first condenser and a fan; a closed ring formed by a circulation water pump on the outer side of the main box body, a second filter and a second condenser in a water tank is the water circulation system; a second evaporator is arranged at an indoor air return hole on the outer side of the main box body; a throttling device is arranged between the first evaporator and the first condenser; a closed ring formed by the second evaporator, a compressor, a second condenser, the first condenser, the throttling device and the first evaporator in sequence is the energy recovery system. The treatment device has the obvious advantage of energy recovery, and hazy air is effectively treated on the premise of energy conservation.

The present invention proposes method of removing sulfide from petroleum product. Adsorbent of inorganic magnetic particle is first made to contact with petroleum product at 30-200 deg.c to adsorb sulfide from petroleum product, and then separated to obtain petroleum product with sulfide removed. The present invention adsorbs sulfide from petroleum product by means of the mutual action between magnetic field and organic molecular magnetic moment, and has easy adsorbent regeneration, high sulfide removing rate up to 75 %, easy separation between the oil and the adsorbent and low cost.

The invention relates to an electrostatic cooking fume purification device and a range hood with the same. The electrostatic cooking fume purification device comprises a shell, a dust collection electrode, an ionization electrode and an adjusting structure. The dust collection electrode comprises at least two dust collection plates which are parallelly arranged at intervals; the ionization electrode comprises polar plates and polar filaments, closed frames are formed by the polar plates, and at least two of the polar filaments are arranged in each frame at intervals; each polar plate is arranged between the two corresponding adjacent dust collection plates, and the distances from the polar plates to the adjacent dust collection plates are equal to one another; the distances between the adjacent dust collection plates can be adjusted by the adjusting structure. The electrostatic cooking fume purification device and the range hood has the advantages that the distances between the dust collection plates can be reduced by the adjusting structure when cooking fume is high in concentration, accordingly, the field intensity at identical voltages can be increased, and the cooking fume particle adsorption capacity can be improved; the distances between the dust collection plates can be increased when the cooking fume is low in concentration, accordingly, the field intensity at the identical voltages can be reduced, energy can be saved, and the service cost can be lowered.

The invention discloses a novel GIL pipeline bus internal particle adsorption device comprising a GIL shell, a supporting base and a dedicated compression bolt. The supporting base is provided with the GIL shell, an insulating supporting member and a particle adsorber. The insulating supporting member and the particle adsorber are arranged in the GIL shell. The insulating supporting member penetrates through the particle adsorber. The insulating supporting member and the insulating base are connected in a threaded way. An enclosed equipotential area is formed by the back surface of the particle adsorber and the supporting base. The top part of the supporting base is provided with a gasket. The top part of the gasket is provided with a tubular conductive rod which is internally provided with a conductive rod fixing backing plate. The dedicated compression bolt penetrates through the conductive rod fixing backing plate, the tubular conductive rod and the gasket to enter into the insulating supporting member. According to the novel GIL pipeline bus internal particle adsorption device, insulation of equipment does not form a threat so that the safety of people can be protected and disasters can be reduced.

A method for manufacturing a conductive pattern material is provided with a process of directly bonding a graft polymer, which has a functional group and a crosslinkable functional group that can mutually interact with conductive particles, on a substrate in a pattern; a process of forming a conductive particle adsorbing layer by permitting the functional group which can mutually interact with conductive particles in the graft polymer to adsorb conductive particles; and a process of forming a crosslinking structure in the conductive particle adsorbing layer by applying energy to the conductive particle adsorbing layer. In this method, a conductive pattern material provided with a conductive pattern which has a high resolution without interruption and has excellent durability can be manufactured. The conductive pattern material can be also obtained by introducing a functional group which can mutually interact with an electroless plating catalyst, instead of the functional group which can mutually interact with conductive particles, and by adsorbing the electroless plating catalyst and the like and performing electroless plating process.

A particle adsorption device includes a chamber having an inlet and an outlet by which air can pass through the chamber, a support for supporting an adsorbent plate in the chamber, and at least one porous plate disposed in the chamber to control the air flow through the chamber and over a surface of the adsorbent plate. A sampling apparatus includes a particle counter which has a detector that is operative to count particles of a certain size contained in the air, the particle adsorption device, and a probe by which a sample of air is sequentially or selectively fed to the particle adsorption device and the particle counter. Thus, in a method for use in monitoring a manufacturing environment for potential contamination, particles of a certain size in the air can be counted, and particles in the air can be collected on the surface of the adsorbent plate. The collected particles can be analyzed to determine their shape and composition. Te source of the particles can be traced from data produced using the sampling apparatus.

The invention discloses a method to strip and reclaim metal from earth oil, which comprises the following steps: using inorganic magnetic particle as adsorbent; touching with earth oil completely; absorbing metallic compound of earth oil with magnetic particle at 90-200 deg.c; collecting the earth oil after stripping; washing and desorbing the magnetic particle; stripping out of organic material water phase with metal; evaporating to dryness; getting oil residue with organometal; roasting at above 700 deg.c; getting mixture with several metallic oxide; sorting; deacidizing; getting each metal single material. This invention can strip and reclaim vanadium and nickel precious metal, which can make nickel metal reclaiming ratio reach above 80% and vanadium reach above 70%.

The invention discloses a preparation method and a fabric magnetic finishing method of a magnetic health function finishing agent. The preparation method of the magnetic health function finishing agent comprises the following steps: 1, embedding or adsorbing a nanometer magnetic fluid through adopting a nanometer material having a magnetic particle adsorption function as a carrier to prepare nanometer magnetic particles; 2, coating the nanometer magnetic particles prepared in step 1 with chitosan to prepare a nanometer chitosan magnetic substance; and 3, compounding the nanometer chitosan magnetic substance prepared in step 2 with an adhesive to obtain the magnetic health function finishing agent. Fabrics can be finished through adopting a dip padding method or a dipping method after the preparation of the magnetic health function finishing agent. The magnetic health function finishing agent prepared in the invention guarantees an excellent magnetic therapy effect, has a strong washability, and does not affect the touch feeling of the fabrics.

The invention discloses ultrahigh-characteristic-value three-phase flue gas foam for an oil-gas field and a preparation method thereof. The three-phase flue gas foam is composed of a gas phase, a liquid phase and a solid phase, wherein the gas phase is flue gas produced by a coal-fired power plant; the liquid phase is a water solution of a surfactant, a pH (Potential of Hydrogen) value regulator and inorganic salt; the solid phase is a compound of fly ash and nano silicon dioxide; and the characteristic value of the foam is 90 to 99 percent. According to the ultrahigh-characteristic-value three-phase flue gas foam disclosed by the invention, a used solid-phase foam stabilizer is a compound system of fly ash particles and nano silicon dioxide particles; the cost is relatively low and a stable solid-phase particle adsorption layer can be formed on a foam liquid membrane; and unstable characteristics including liquid membrane cracking of the foam, gas dispersion, foam coalescence and thelike are greatly weakened and the stability of the foam is effectively improved. The ultrahigh-characteristic-value three-phase flue gas foam system disclosed by the invention can be adaptive to hightemperature of 230 DEG C and the stability is enhanced along the rising of pressure; and the ultrahigh-characteristic-value three-phase flue gas foam has good temperature resistance and pressure resistance and can be applicable to development operation of high-temperature and high-pressure oil and gas reservoirs.

The invention provides an air particulate matter monitoring system. The system comprises a sampling air inlet, an inverted funnel-shaped opening, filter paper, a particle acquisition box, a sampling pump, a pH value acquisition box, a condenser, a flow meter and a getter pump, wherein the upper surface of the filter paper is arranged under the inverted funnel-shaped opening, the portion, under the inverted funnel-shaped opening, of the filter paper is in the shape of an arc, and the arc is concave towards the inverted funnel-shaped opening. By the adoption of the system, more particles in the air can be adsorbed onto the filter paper, the particle adsorbing efficiency and precision of the filter paper are improved, it is guaranteed that particles can be collected at the optimum temperature by analyzing the precision of particulate matter on the filter paper and arranging a heating thermostat and a heat insulating layer, and the influence of temperature on particles in the air is reduced; after particle measurement is conducted, a spraying device is adopted for testing the pH value of the air through spraying so that people can learn the pH value of the atmosphere in time.

The invention discloses a carbon-fiber indoor air purifier and a preparation method thereof .The carbon-fiber indoor air purifier comprises a PM2.5 micro-particle adsorption device, a formaldehyde photocatalytic degradation device and an atomizing air humidification device, and the formaldehyde photocatalytic degradation device is located between the PM2.5 micro-particle adsorption device and the atomizing air humidification device; the PM2.5 micro-particle adsorption device comprises a PM2.5 micro-particle adsorption layer which is composed of two surface filter layers made of thermoplastic fiber fabric and a micro-particle pollutant adsorption layer located between the two surface filter layers; the formaldehyde photocatalytic degradation device comprises a degradation layer and ultraviolet lamp light sources located on at least one side of the degradation layer, and the degradation layer comprises a carbon fiber carrier fabric and a nano-titania coating coating on the surface of the carbon fiber carrier fabric .According to the indoor air purifier, the API value of final purified indoor air is below 50, the indoor air humidity ranges from 45% to 65%, and formaldehyde emission in per cubic meter of the indoor air is lower than 0.07 mg in a closed indoor environment.

The invention discloses an adsorption type thermosensitive cross-linking agent masterbatch, which is prepared in a way that porous polymer particles adsorb a thermosensitive cross-linking agent, wherein the content of the porous polymer particles in percentage by mass is 10-50% and the balance is the thermosensitive cross-linking agent; the porous polymer particles can be at least one of capillaceous polyolefin porous foamed plastic with a porous structure, spongy or reticular microstructure or natural porous materials. Based on the capillary adsorption effect of micropores of the porous polymer particles, powder or the thermosensitive cross-linking agent is respectively subjected to corresponding treatment; the traditional masterbatch preparation process can be replaced without a complicated process or expensive equipment. The concentration of the thermosensitive cross-linking agent in the prepared masterbatch is controllable and can reach 90% at most. The masterbatch can be used directly once prepared and the uncontrollable factors during the storage process can be prevented. The preparation process and properties of the composite material can be improved as whole.