90results about How to "Adequate adsorption" patented technology

The invention discloses environment-friendly diatom ooze wall material powder and a wall material as well as a preparation method and application thereof. The diatom ooze wall material with macromolecule sieve structure is prepared by taking a plurality of natural environment-friendly non-metal material having strong adsorbability and good plasticity as main materials through a simple process. The environment-friendly diatom ooze wall material powder has the advantages of low cost, air purification, moisture absorption, deodorization, inflaming retarding, heat insulation, easy popularization,and the like.

The invention relates to a PAN (Polyacrylonitrile)-based porous carbon nanofiber for removing NOx from air. The PAN-based porous carbon nanofiber has the diameter range of 50-1000 nm, the specific surface area of 200-1200 m<2>/g, a micropore-based porous structure and the micropore volume of 0.3-1.0 cm<3>/g. The PAN-based porous carbon nanofiber can remove the low-concentration NOx from air at room temperature through flowing air containing the low-concentration NOx through the PAN-based porous carbon nanofiber, wherein the low-concentration NOx means the concentration, less than 50 ppm, of NO in air, and in order to ensure a removal effect, the flow velocity of the air containing the low-concentration NOx is 100-400 SCCM, and the reaction temperature is the room temperature. The invention further provides a preparation method of the PAN-based porous carbon nanofiber, and the preparation method is simple and controllable in process.

A metal-organic framework compound @ mesoporous material composite, a preparing method thereof and applications of the composite are provided. According to the composite, a metal-organic framework compound is distributed in pore passages of a mesoporous material, CO2 adsorbability of the metal-organic framework compound is fully utilized, a developed network pore passage structure of the mesoporous material also facilitates CO2 gas molecular diffusion, the metal-organic framework compound distributed in the pore passages can be in full contact with CO2 gas, and the mesoporous material can effectively delay decomposition and degeneration of the metal-organic framework compound in a flue gas environment and prolongs the service life time of an adsorption material, and therefore the composite can have excellent high-temperature resistance and water tolerance. The preparing method is simple in process, and suitable for large-scale production. The composite can be adopted as a CO2 adsorbent, is particularly used for adsorbing CO2 in flue gas, and can be used stably for long time in the flue gas environment.

The invention relates to a preparation method of a layered cobalt-zinc double hydroxide-graphene compound supercapacitor electrode. The preparation method comprises the following steps of firstly, dispersing graphene oxide and a surfactant in an urea aqueous solution with ultrasound to form a graphene oxide suspension liquid; secondly, adding cobalt nitrate hexahydrate and zinc acetate dehydrate to the graphene oxide suspension liquid, and stirring the liquid to form a uniform precursor solution; and finally, transferring the precursor solution to a hydrothermal reaction kettle, simultaneously placing a foamed nickel current collector in the precursor solution in the hydrothermal reaction kettle for hydrothermal reaction at 120-180 DEG C, depositing a hydrotalcite layered cobalt-zinc hydroxide-graphene compound on the surface of the foamed nickel current collector, and drying the foamed nickel current collector after ultrasonic washing to form the compound active electrode. The preparation method is simple, is easy to control and is low in cost, and the prepared compound active electrode is endowed with relatively high special capacitance and rate performance.

The invention provides a preparation technique for porous porcelain granules loaded with Ag/N-TiO2 nanometer film, which comprises the preparation of the porous porcelain granules and the manufacture of film on the porous porcelain granules, and is characterized in that: (1) -100 meshes of fly ash and quicklime and -200 meshes of kaolin and glass powder are adopted as raw materials, which are mixed according to the weight ratio of 70: 6: 10:14; TiO2 that accounts for 0.5-1 percent of the total weight of the raw materials, NH4HCO3 that accounts for 20-30 percent of the total weight of the raw materials and water that accounts for 60-65 percent of the total weight of the raw materials, are all added into the mixture mixed by the four raw materials; the new mixture is stirred uniformly to prepare granules with the particle size of 1-2cm, which is immediately placed under microwave for foaming and drying for 1-5min so as to prepare porous porcelain granule billets with the diameter of 2-5cm, and then the billets are sintered for 1h under 1100DEG C to prepare the porous porcelain granules; (2) Ag/N-TiO2 sol is prepared by adopting sol-gel method and the sol is coated on the porous porcelain granules by adopting dipping method, thus obtaining the porous porcelain granules loaded with Ag/N-TiO2 nanometer film after drying and calcining. The sol is evenly coated on the porous porcelain granules, so active constituent does not lose effectiveness under low temperature, thus having good visible light degradation and relatively strong bactericidal effect.

The invention discloses a sensitizing type expanded ammonium nitrate fuel oil explosive and a preparation method thereof. The explosive is prepared by blending expanded ammonium nitrate and nitromethane, and the mass percentages are 66.3%-80% and 20%-33.7%; or the explosive is prepared by blending expanded ammonium nitrate, nitromethane and composite oil phase, and the mass percentages of expanded ammonium nitrate, nitromethane and composite oil phase are 84%-95%:1%-11%:4%-5%; or the explosive is prepared by blending expanded ammonium nitrate, nitromethane, composite oil phase and aluminium powder, wherein the composite oil phase is prepared by melting diesel oil and paraffin, and the mass ratio of diesel oil and paraffin is 6:4, and the mass percentages of expanded ammonium nitrate, nitromethane, composite oil phase and aluminium powder are 91%-94.5%:1%-3%:4-5%:0.5-1%. The invention adopts self-sensitizing expanded ammonium nitrate with multiple micropores, large specific surface area and high oil adsorption ratio as an oxidant, and nitromethane or aluminium powder as a combustible agent to prepare the expanded ammonium nitrate fuel oil explosive which has good detonation sensitivity and is capable of being reliably detonated by a single detonator.

The present invention provides coupling multistage apparatus with active carbon to purify waste gas, and the apparatus is used in desulfurizing, denitrating, dedusting, eliminating heavy metal and eliminating organic compound of waste gas. It consists of pre-purifying room, movable adsorption bed, purified gas outlet, material feeding mechanism, and discharging mechanism. Each of the material feeding mechanism and the discharging mechanism consists of material bin, material guide pipe and gas trap valve. The movable adsorption bed consists of one or several adsorption sections superposed sequentially, the material feeding mechanism is set on the top, the discharging mechanism is set in the bottom, and the pre-purifying room and the purified gas outlet are set in the side. The apparatus has compact structure, simple material distribution, complete functions, less resistance, high purifying effect, fully use of active carbon, long service life and low running cost.

The invention discloses a bird-nest catalyst carrier, which comprises a body (1). The body is cylindrical or cuboid; and honeycomb holes (2) which are uniformly distributed, and parallel or staggered vertically and staggered or parallel horizontally are formed in an inner cavity of the body. One or a mixture of more of activated aluminium oxide, zirconium oxide, magnesium oxide, silicon carbide, titanium dioxide and natural clay is taken as a main raw material, is added with an adhesive, a fusing agent and a proper amount of water, and is subjected to ball milling, kneading, ageing, mixing, molding, drying, shaping, cutting and low-temperature sintering to form the bird-nest catalyst carrier. Due to large specific surface area and void ratio, large internal through pore diameter and large pore volume, the bird-nest catalyst carrier can improve the total effective contact quantity to the greatest extent and shorten the flowing path of raw oil in the catalyst, so that the catalyst in the carrier can fully achieve the effect, and the raw oil flowing through the catalyst is fully separated, adsorbed, purified and filtered.

The invention discloses an automatic dust removal device of a distribution box. The automatic dust removal device comprises a device body, wherein the left end wall of the device body is provided withan ash suction port communicated with the outside, the right end of the ash suction port is communicated with a filtering cavity, the filtering cavity penetrates through the device body front and back, a belt transmission cleaning device is arranged on the inner bottom wall of the filtering cavity, and comprises a driving belt wheel and a driven belt wheel, the driving belt wheel and the driven belt wheel are fixedly mounted through a belt wheel shaft and are in transmission connection through a first belt, and hair brushes are arranged on the driving belt wheel and the driven belt wheel. According to the device, the automatic dust removal device is placed at the air blowing opening in the side wall of a distribution box, an electric air discharge device sucks the dust in the distributionbox and plays a role in heat dissipation of the distribution box, large-particle dust is precipitated through atomization of water, small-particle dust enters an adsorption cavity, the dust can be well and sufficiently adsorbed through an electrostatic adsorption method, the small-particle dust is gathered together, the dust is swept and conveyed into a water storage tank through a sweeping device and is collected, it is guaranteed that the dust is sufficiently adsorbed in the device through two treatments, and operation is easy and convenient.

The present invention provides: a catalyst for electroless plating, which is characterized by being a complex of a compound (X) and metal nanoparticles (Y), wherein the compound (X) is produced by polymerizing a monomer mixture (I) that contains a (meth)acrylic acid-type monomer having at least one anionic functional group selected from the group consisting of a carboxy group, a phosphoric acid group, a phosphorous acid group, a sulfonic acid group, a sulfinic acid group and a sulfenic acid group; a metallic coating film produced using the catalyst; and a method for producing a metallic coating film using the catalyst.

A bipolar electrostatic chuck which has excellent dielectric breakdown strength and provides excellent attracting performance. The bipolar electrostatic chuck eliminates difficulty in peeling off a sample from a sample attracting plane as much as possible after application of a voltage to electrodes is finished. The bipolar electrostatic chuck is provided with a first electrode and a second electrode in an insulator and permits a surface of the insulator to be the sample attracting plane. The insulator has the first electrode, an interelectrode insulating layer and the second electrode in this order from the sample attracting plane in the depth direction. The second electrode has a region not overlapping with the first electrode in a normal line direction of the sample attracting plane.

The purpose of the invention is to provide a positive electrode of a lithium sulfur secondary battery. The positive electrode of the lithium sulfur secondary battery comprises 1 to 5 layers of sulfur-containing positive electrode material layers and 1 to 5 layers of lithium-stored material layers containing a transition metal element; and the sulfur-containing positive electrode material layers and the lithium-stored material layers are alternately coated. The total thickness of the positive electrode is 50 to 800 microns, the thickness of each sulfur-containing positive electrode material layer is 1 to 500 microns, and the thickness of each lithium-stored material layer is 1 to 200 microns. The electrode provided by the invention can suppress the shuttle effect, has a lithium storage performance, and can provide partial capacity; and the positive electrode of the lithium sulfur secondary battery can provide more active sites for lithium sulfide and improve the utilization of sulfur.

The object of the present invention is to provide an electrode sheet for electrostatic chuck devices which has sufficient adsorption power to insulating materials. In order to achieve the object, the present invention provides an electrode sheet for electrostatic chuck devices (30) comprising a pair of insulating organic films (31) and (32), which are adhered by an insulating adhesive layer (33), and electrodes (34) and (35), which are present in the insulating adhesive layer (33), wherein the thickness of the insulating adhesive layer (33) is larger than that of the electrodes (34) and (35).

The invention discloses a dyeing process of active dye. The process comprises the following steps: drying active dye, and then standing at room temperature for 5 minutes; adding a dye leveler; adding a dispersing agent; heating to 40 DEG C; soaking the dye which is processed with clear water for 30 minutes; keeping the temperature for 20 minutes; adding 30% of mirabilite and soaking for 20 minutes; adding 60% of mirabilite and soaking for 10 minutes; heating to 60 DEG C; keeping the temperature for 10 minutes; adding 2% of sodium carbonate and soaking for 20 minutes; adding 8% of sodium carbonate and soaking for 20 minutes; adding 15% of sodium carbonate and soaking for 2 0 minutes; keeping the temperature for 40 minutes; flushing with cold water for 10 minutes; adding glacial acetic acid; flushing with hot water of 80 DEG C for 15 minutes; soaping twice; flushing with hot water for 15 minutes; neutralizing; carrying out fixation; softening; carrying out post-treatment; and discharging the cloth. According to the dyeing process of the active dye disclosed by the invention, after the dye is added, the dye is uniformly attached to the fabric; the mirabilite is added in batches; the salinity in the dye liquid is not too high; color points are prevented from being separated out on the fabric surface; the time interval of adding an additive is prolonged; the adsorption diffusion process of the dye is prolonged; dye molecules in the dye bath can be relatively fully diffused and adsorbed into the fiber; the dye concentration in the dye bath is lowered; the trend of agglomeration of the dye molecules is lowered; and high color fastness is ensured.

The invention discloses a slow release composite fertilizer for high-tower granulation and a preparation method thereof and belongs to the technical field of fertilizer. The fertilizer is prepared from, by weight, 100-150 parts of urea, 80-100 parts of monoammonium phosphate, 60-80 parts of potassium chloride, 20-40 parts of celestite powder, 10-20 parts of attapulgite powder, 10-20 parts of kieselguhr, 5-15 parts of a medium trace element mixture, 3-5 parts of a synergist and 5-10 parts of an outer-layer coating agent; the outer-layer coating agent is prepared in the mode that polyvinyl alcohol and polyvinylpyrrolidone are subjected to copolymerization, and then biomass charcoal is added. According to the slow release composite fertilizer, nanosilicon dioxide is added as the synergist, and through cooperation of the synergist and a coating material, an obvious slow release effect of the fertilizer is achieved. The prepared fertilizer is safe, environmentally friendly, has an obvious fertilizer efficiency, capable of achieving high tower granulation, low in cost and high in efficiency and has high market application potential.

The invention discloses a magnetic ferroferric oxide nano particle and graphene composite. The specific surface area of the composite is 60-65m<2>/g, in the composite, ferroferric oxide particles are 10-35nm in size, and ferroferric oxide supports graphene flaky materials, so as to ensure that the flaky materials are stacked up to form gaps, and the gaps are 20 to 100 nm. The composite provided by the invention is used for wastewater treatment, the ferroferric oxide in the composite not only can be used for effectively removing chrome in wastewater, but also cannot produce sludge and cause secondary pollution. Moreover, due to the strong adsorbability of graphene, nano particles and suspended solids can be removed and waste water can be purified well. The invention provides a method which can control sewage in a cheap, reliable and recycling way. A hexavalent chromium ion absorbed composite is taken as an electrocatalyst for being applied to counter electrodes of a dye-sensitized solar cell, therefore, refuse reclamation is achieved, waste is reduced, and resources are saved.

The invention relates to the technical field of equipment for sewage treatment and provides a sewage treatment tank. The sewage treatment tank comprises an aeration tank and a plurality of biological stuffing filling the aeration tank, wherein the microorganism is attached to the biological stuffing to decompose the pollutants in the sewage; air can be blown into the aeration tank from bottom to top; the biological stuffing is arranged, so that the biology species in the aeration tank are increased; when the biological stuffing is under the driving of air, the air bubble in the sewage can be impacted, so that the air bubble is smaller and thinner, the quantity of the air bubble is increased and the use ratio of oxygen is increased; through the arrangement, the pollutants in the sewage can be thoroughly removed.

The invention provides a fire-resistant hydraulic fluid composition, which is characterized by being prepared from a raw material comprising 5 to 8 percent by mass of phosphate rare earth compound. The prepared fire-resistant hydraulic fluid composition can obviously improve frictional wear resistance and rust protection of hydraulic fluid; meanwhile, both swelling and shrinkage of the prepared fire-resistant hydraulic fluid composition for sealing materials, such as chemigum, accord with related standard requirements.

The invention discloses a harmful gas purifier. The harmful gas purifier is characterized by comprising a case-like frame (1), and a liquid storage device (2), a spraying device (3), a reaction device (4), a dust collector (5), an adsorption device (6), a water pump (7), a blower fan (8), a power supply (9) and a controlling device (10) arranged in the frame (1). The harmful gas purifier provided by invention is portable and highly efficient; a reaction solution is cyclically utilized; reasonable layout enables physical adsorption and chemical reaction to be adequate; different reaction solutions can be prepared according to main harmful gas pollution sources in the air; and the flow of the reaction solution is adjustable, and the harmful gas purifier is convenient to move.

The invention discloses a xonotlite type calcium silicate board with hydrophobic inside and outside as well as a manufacturing method and application thereof. The manufacturing method comprises the following steps: 1) mixing a siliceous material and a calcareous material in water, and uniformly stirring; wherein the molar ratio of silicon atoms to calcium atoms in the siliceous material and the calcium material is 1: (0.8-1.2); (2) injecting the uniformly mixed raw material slurry into a dynamic synthesis reaction kettle, introducing high-temperature steam to enable the temperature in the reaction kettle to reach 180-250 DEG C and the pressure to reach 1.5 MPa or above, and then keeping the temperature and the pressure; (3) adding reinforcing fibers accounting for 1-8% of the total mass of solids into xonotlite slurry obtained in the step (2), then adding oily organic silicon emulsion, and fully stirring to enable the solids in the slurry to be fully contacted and mixed with the oily organic silicon emulsion; and (4) carrying out extrusion forming on the slurry prepared in the step (3) in a mold by using a hydraulic machine, and drying to obtain the xonotlite type calcium silicate board with hydrophobic inside and outside.

The invention discloses a nanocarbon-containing low-carbon aluminum silicon carbide carbon brick and a preparation method thereof. The brick comprises high bauxite clinker with two granularities, brown fused alumina with two granularities, sub-white fused alumina, dispersible nanocarbon and the like. Through the application of the nano-carbon film and the dispersible nano-carbon, which are none, partially or completely coated on the surfaces of particles of three raw materials, comprising high-alumina bauxite clinker, brown fused alumina and sub-white fused alumina; the oxidation resistance ofthe nano-carbon is improved by utilizing the characteristics that the nano-carbon film and the dispersible nano-carbon are mainly amorphous carbon, contain a small amount of graphite chicks, can be infiltrated by a solvent and the like; therefore, infiltration and adsorption of the nano carbon film and the dispersible nano carbon to the organic binding agent are improved, the uniform dispersion of the nano carbon in the magnesia carbon brick is realized; finally, the size of carbon particles in the aluminum silicon carbide carbon brick is greatly reduced through the size control of the thickness of the nano carbon film and the dispersible nano carbon, so that the contact frequency of the refractory raw material of the aluminum silicon carbide carbon brick and the carbon particles is obviously improved, and the performance of the carbon particles under the condition of low carbon content is ensured.