2793 results about "Adsorption effect" patented technology

The invention provides a reinforced pouring type semi-flexible pavement and a construction method thereof, modified magnetic particle micron Fe3O4 (at) SiO2 mesoporous microspheres are doped into a cement-based grouting material, an anti-dispersing agent is doped, and the cement-based magnetic grouting material is prepared. Meanwhile, neodymium iron boron waste is doped into the porous asphalt mixture to serve as a magnetic material to provide a magnetic field, and when the cement-based magnetisable grouting material is injected into the porous asphalt mixture, the magnetic grouting liquid can move directionally and be adsorbed at fixed points under the action of the magnetic field by means of the magnetic adsorption effect; the grouting material for the semi-flexible pavement has the advantages that the filling rate of the grouting material is obviously improved, the bonding performance of an asphalt and cement material interface is obviously improved, the generation of interface cracks is effectively reduced, and the service life of the semi-flexible pavement is prolonged. The semi-flexible pavement cement provided by the invention has good compressive strength, breaking strength, tensile strength, bonding strength, fluidity, dry shrinkage rate and the like, and is an ideal base fluid as a cement-based magnetic grouting fluid.

The invention relates to the technical field of carton stacking, and discloses a carton production stacking device which comprises a mechanical arm, the output end of the mechanical arm is rotationally connected with a sliding seat, and the inner surface of the sliding seat is slidably connected with a sliding plate through a sliding block. The distance between the telescopic suction cups is changed, so that the adsorption stability of the telescopic suction cups to cartons of different sizes is improved, a first sealing plate and a second sealing plate block the bottoms of the telescopic suction cups, and the situation that in the placing process of the device, dust adheres to the telescopic suction cups, and the adsorption effect of the telescopic suction cups is affected is prevented; and a rotary hook lock resets and clamps a clamping shaft, the situation that dust enters a protection frame from a gap and is attached to the telescopic suction cup due to the gap between a first sealing plate and a second sealing plate is avoided, and then the protection effect on the telescopic suction cup is improved.

The invention belongs to the field of hydrogen energy, and particularly relates to a hydrogen purification system with a self-repairing function and a purification method. The product hydrogen is used as the regeneration gas, and when the adsorption effect of the adsorbent is reduced, the product gas in the long pipe vehicle can be directly returned to the PSA system for regeneration operation, so that the problem of system replacement caused by regeneration by using nitrogen is effectively avoided, the problem of replacement after regeneration is avoided, and the production time is shortened.

The invention belongs to the technical field of polymer composite materials, and particularly relates to a high-strength flame-retardant composite material for pipelines and a preparation method thereof. The high-strength flame-retardant composite material for the pipeline is prepared from the following components in parts by weight: 70 to 80 parts of PA12T, 10 to 15 parts of a toughening agent, 20 to 30 parts of fiber reinforced filler, 8 to 16 parts of melamine polyphosphate, 1 to 6 parts of attapulgite, 2 to 4 parts of graphene, 0 to 3 parts of a coupling agent, 0 to 3 parts of a lubricating agent and 0 to 3 parts of an antioxidant. MPP is an N and P double-element synergistic flame retardant, and the flame retardant effect is better. Through the adsorption effect of the attapulgite, the dispersing performance of the MPP in the PA12T can be improved, and the precipitation phenomenon of the MPP can be prevented. The graphene is used as a common flame-retardant carbon-forming agent, and the lamellar structure of the graphene can play a role in resisting molten drops; and moreover, the graphene and the attapulgite with a rodlike structure interact with each other, so that the dispersion performance of the graphene, the attapulgite and the melamine polyphosphate in the nylon resin is promoted.

The invention discloses rotating wheel drying and dehumidifying equipment with a moisture content monitoring function, the dehumidifying equipment comprises a bottom frame, a drying material barrel, a humidity tester, a box body and an air path assembly, the bottom frame is fixedly connected with the drying material barrel and the box body, the drying material barrel is fixedly connected with the humidity tester, the humidity tester is arranged at the bottom of the drying material barrel, and the box body is fixedly connected with the drying material barrel. The box body is fixedly connected with the gas path assembly, the gas path assembly comprises a drying gas path, the drying gas path comprises a return air filter and a drying electric heater, and the return air filter and the drying electric heater are both connected with the drying material barrel through pipelines; the invention relates to the technical field of drying and dehumidifying equipment, which can ensure continuous dehumidification, uninterruptedly and continuously output dry air, treat large-air-volume and high-humidity air, expand the range of a moisture absorption area, prolong the adsorption time, improve the single-time adsorption effect and ensure that the situation of dehumidification leakage is avoided. The moisture of the dried material is measured through infrared rays, and pollution and damage caused by contact measurement are avoided.

The invention relates to the technical field of tail gas treatment, and provides a tail gas denitration reactor for hydrogenation catalyst production, the tail gas denitration reactor comprises a treatment box and an adsorption shell mounted in the treatment box, one end of the adsorption shell is connected with a gas inlet pipe, the other end of the gas inlet pipe is connected with a gas outlet pipe, and two ends of the adsorption shell are provided with a plurality of connecting grooves; the upper end of the adsorption shell is connected with a first connecting frame and a second connecting frame. The two ends of the first gas filtering bin and the two ends of the second gas filtering bin are meshed and installed on the gear shaft, so that the gear shaft drives the first gas filtering bin and the second gas filtering bin to rotate, the first gas filtering bin and the second gas filtering bin alternately conduct tail gas adsorption work, and in the standby replacement process, the filter elements in the first gas filtering bin and the second gas filtering bin are cleaned; the device can adsorb tail gas in a long-term and high-quality mode, the problems that the filter element is blocked and the adsorption effect is reduced due to long-time use of the filter element are solved, and environment-friendly emission of the tail gas can be achieved in the hydrogenation catalyst production and manufacturing process.

The invention discloses a medical oxygen generator with sterilization and dust removal functions, and relates to the technical field of oxygen generators, the medical oxygen generator comprises an oxygen generator shell, a handle, a touch screen, an oxygen generator bottom plate, an air inlet pipe, a dust removal and sterilization device, an air compression device, a heat dissipation pipe, an adsorption tower, a heat dissipation device, a cleaning device and a humidification cup, the air compression device can suck air and compress air, the dust and bacteria removal device can remove pollutants such as dust and bacteria in the air and prevent the pollutants from entering the air compressor to affect the quality of oxygen inhaled by a patient, the heat dissipation device rapidly dissipates heat of the air in the heat dissipation pipe, the adsorption effect of the adsorption tower is improved, and the service life of the adsorption tower is prolonged. The cooled air enters the adsorption tower, the adsorption tower adsorbs nitrogen in the air, the separated oxygen is decompressed and then conveyed into the humidifying cup, and the oxygen humidified by the humidifying cup is conveyed into an oxygen catheter of a patient.

The invention discloses a C5F10O mixed gas decomposition component adsorption material as well as a preparation method and application thereof. The adsorption material is a metal organic framework / nanofiber composite membrane which is prepared by uniformly dispersing a metal organic framework material on a nanofiber membrane obtained by an electrostatic spinning technology through a spraying doping method and is used for adsorbing decomposition components of C5F10O mixed gas. According to the adsorption material provided by the invention, through mutual cooperation of the metal organic framework material and the porous nanofiber membrane base material, a formed composite membrane has a larger specific surface area and more metal active sites, adsorption of gas molecules is promoted, permeation and diffusion of the gas molecules are also facilitated, and the adsorption efficiency is improved. Therefore, the gas sensitivity and the adsorption effect of the adsorption material are remarkably improved.

The invention relates to the technical field of chemical gas collection and treatment, and discloses a chemical gas collection and treatment device for chemical industry, which comprises a reaction kettle, the circumferential surface of the reaction kettle is fixedly connected with a bracket, the circumferential surface of a rotating shaft is fixedly connected with a medicine box, and the inner wall of the medicine box is fixedly communicated with a connecting pipe. A spraying head is installed at the end, away from the medicine box, of the connecting pipe, a baffle is slidably connected to the inner wall of the medicine box through a spring, a connecting plate is fixedly connected to the top of the baffle, and a protruding plate is fixedly connected to the inner wall of the reaction kettle. According to the gas purification device, the liquid medicine is uniformly sprayed to each corner of equipment, the adsorption effect is improved, the residual quantity of pollutants in gas is reduced, and the baffle drives the spraying head to indirectly spray while the liquid medicine is sprayed, so that insufficient reaction caused by too fast spraying is prevented, and the gas purification efficiency is improved.

The invention discloses a Ca / Mg-based modified biochar material and a preparation method and application thereof, and the preparation method comprises the following steps: pretreatment: drying a biomass material shaddock peel, crushing, sieving, washing and drying, then carrying out acid leaching activation, washing again and drying to obtain high-activity biomass powder for later use; dipping modification: fully mixing the high-activity biomass powder obtained in the pretreatment step with CaO and MgO, adding distilled water, dipping under heating and stirring conditions, then carrying out solid-liquid separation, washing a filter cake for multiple times, freeze-drying, and sieving to obtain an intermediate product; the intermediate product is calcined, naturally cooled, washed and dried, and the Ca / Mg-based modified bimetallic modified charcoal material is obtained and can be applied to adsorption of phosphate in a wastewater solution as an adsorbent. The preparation method is simple, the raw materials are easy to obtain, the cost is low, the material stability is good, the pH adaptability is good, the adsorption effect is good, and the method is suitable for water environments with more complex pollution factors.

The invention relates to the technical field of activated carbon materials, and discloses an activated carbon material for adsorbing organic gas and a preparation method thereof.The preparation method includes the steps that activated carbon powder, epoxidized cardanol, graphene oxide modified quaternized chitosan, bentonite and nanometer titania are added into grinding equipment to be ground, and a primary material A is obtained; and then continuously adding a water-borne epoxy resin adhesive and water, stirring and drying to obtain the active carbon material for adsorbing the organic gas. Chitosan in the silane modified chitosan structurally contains amino, hydroxyl and other polar groups, so that organic gas can be adsorbed; the graphene also has a relatively good adsorption effect on organic gas, and meanwhile, the agglomeration effect of the graphene is reduced; and siloxane and quaternary ammonium salt groups contained in the adsorbent also have a relatively good adsorption effect on organic gases. Cardanol in epoxidized cardanol contains functional groups such as benzene rings, phenolic hydroxyl groups and long-chain alkanes, and the functional groups endow the cardanol with various reaction activities and can absorb organic gas.

The invention discloses a preparation method and application of a carbon-loaded cobalt nanoparticle and iron monatomic electro-catalytic material, relates to a preparation and regulation method of a zinc air battery cathode catalyst, and solves the problems of low electricity generation performance and poor stability of an existing rechargeable zinc air battery cathode. Specifically, a high-efficiency and stable-catalysis carbon-loaded cobalt nanoparticle and iron monatomic electro-catalysis material is reasonably designed and successfully synthesized by utilizing the adsorption effect of a metal organic framework (MOFs) and polyvinylpyrrolidone as an ion adsorption layer, and under the condition that active sites are not sacrificed, the high-efficiency and stable-catalysis carbon-loaded cobalt nanoparticle and iron monatomic electro-catalysis material can be used for preparing a high-efficiency and stable-catalysis carbon-loaded cobalt nanoparticle / iron monatomic electro-catalysis material. And the dispersity of cobalt nanoparticles and the catalytic activity of iron monatomic are improved. The obtained material is used as a zinc air battery cathode material, the overall performance of a rechargeable zinc air battery can be improved, and efficient and oriented conversion of the zinc air battery is achieved.

The invention belongs to the technical field of civil engineering materials, and provides an early-strength high-fluidity geopolymer grouting material and a preparation method thereof. The method comprises the following steps: firstly, carrying out heat treatment and chemical regulation on fly ash and granulated blast furnace slag to generate a pre-reaction phase with high reaction activity, and improving the alkali excitation reaction efficiency; then, by preparing a lubricating particle dispersion liquid and utilizing the synergistic effect of a silane coupling agent and interface lubricating particles, the uniform dispersity of the particles is enhanced; by adding the ionic liquid and the functionalized acylamino polymer, the dissolution and activation of the aluminosilicate are accelerated by utilizing the high polarity, the ion shielding effect and the dissolution enhancing performance of the ionic liquid; meanwhile, the amido polymer inhibits particle aggregation and stabilizes the particle dispersion state through the adsorption effect, the amido polymer and the amido polymer cooperate to form a lubricating layer in the slurry, reduce the viscosity of the slurry and improve the fluidity, and the early strength of the material is further improved by accelerating the generation of a gel phase.

The invention relates to a recyclable composite water purifying agent and a preparation method thereof, and belongs to the technical field of high polymer materials. The recyclable composite water purifying agent comprises the following components in parts by weight: 12-18 parts of activated carbon, 20-25 parts of diatomite, 15-25 parts of polyaluminum chloride, 6-12 parts of a modified flocculant, 5-10 parts of polyethylene glycol, 1-3 parts of a modified photocatalyst and 250-370 parts of deionized water, the recyclable composite water purifying agent prepared by the invention not only has a good pollutant adsorption effect, but also has an excellent antibacterial effect.

The invention discloses a novel photocatalyst for producing hydrogen from organic matter wastewater and a preparation method of the novel photocatalyst, and relates to the technical field of photocatalysis. The photocatalyst disclosed by the invention is combined with oxidation-reduction capability, and can effectively degrade and produce hydrogen under the irradiation of sunlight. Through combination of quaternized porous tungsten oxide and vanadate radicals, silver vanadate load growth is promoted, the sunlight utilization rate is increased, and the electron-hole recombination rate is reduced. Reduced graphene oxide is used for pretreatment, active groups are introduced, the reduced graphene oxide is compounded with tungsten oxide / silver vanadate, the binding force is enhanced through heat treatment, photo-induced electron-hole pair compounding is inhibited through the conductivity, and the visible light catalytic performance is improved. The adsorption effect of porous tungsten trioxide and reduced graphene oxide can accelerate the degradation of organic matters. By optimizing the proportion of silver vanadate, tungsten oxide and reduced graphene oxide, the visible light response and charge separation efficiency are enhanced, the degradation and hydrogen production performance is improved, and light corrosion is reduced.

The invention discloses activated carbon adsorption and desorption catalytic combustion equipment, and belongs to the field of waste gas treatment. The activated carbon adsorption and desorption catalytic combustion equipment comprises a spray tower, a dry filter, a catalytic combustion furnace, a heat exchange mechanism, an exhaust fan and a discharge pipe, an air inlet pipe is arranged at the air inlet end of the spray tower, and a first connecting pipe is arranged between the air outlet end of the spray tower and the air inlet end of the dry filter; the air inlet end of the air exhaust fan is provided with an air exhaust pipe, and the air exhaust end of the dry filter is provided with a second connecting pipe; the first gas inlet pipe is arranged at one end of the adsorption tower, and the first gas inlet pipe is communicated with the second connecting pipe; the catalytic efficiency of desorbed organic matters is effectively improved, meanwhile, small-particle dust is effectively prevented from being attached to the main activated carbon plate to affect the adsorption effect and the desorption effect, and waste gas is effectively prevented from being exhausted into the atmosphere to pollute the air.

The invention relates to the technical field of adsorbent preparation, in particular to an ammonia modified porous carbon adsorbent and a preparation method thereof. The preparation method of the ammonia modified porous carbon adsorbent comprises the following steps: carrying out hydrothermal acid leaching on gasified fine residues and an acid solution to obtain acid leaching residues; stirring the acid leaching residues in an alkali solution, washing and drying to obtain a porous carbon material; and dipping the porous carbon material in a tetraethylenepentamine solution, and then drying to obtain the ammonia modified porous carbon adsorbent. The ammonia modified porous carbon adsorbent is successfully constructed by taking a porous carbon material derived from coal gasification fine slag as a substrate and further adopting a surface ammonia functionalization modification strategy. The preparation method is simple, the raw materials are easy to obtain, and the prepared ammonia modified porous carbon adsorbent has a good adsorption effect on methylene blue and hexavalent chromium. According to the method, high-added-value resource utilization of the coal gasification solid waste is achieved, and a solution is provided for treatment of the dye wastewater and the heavy metal wastewater.

The invention relates to the technical field of assembly type machine rooms, in particular to an assembly type machine room based on a ventilation and heat dissipation processing mechanism. The computer room comprises a computer room body, ventilation windows are formed in the two sides of the computer room body, an exhaust fan is arranged at the top of the computer room body, and a rainproof assembly is arranged on one side of each ventilation window. As the sponge mat has an adsorption effect on liquid, rainwater can be prevented from entering the machine room body to cause damp damage to equipment, the service life of the equipment is prolonged, as the through holes are formed in the surface of the sponge mat, the ventilation window does not need to be closed, and external air enters the machine room body through the ventilation window after passing through the through holes; heat in the machine room is taken away in the air circulation process, and the heat dissipation effect of the machine room is improved.

The invention belongs to the technical field of new pollutant removal, and discloses an organic amine cation cage or adsorbent, a preparation method thereof and application of the organic amine cation cage or adsorbent to adsorption of PFASs wastewater. The preparation method comprises the following steps: firstly, synthesizing an organic amine molecular cage, and changing the organic amine molecular cage into a flexible organic amine cation cage with a strong adsorption effect on anions PFASs through a series of structural modifications; the organic amine cation cage has good water solubility, so that the PFASs in the concentration wastewater are difficult to precipitate and reduce, and the adsorption of the PFASs is realized by fully utilizing the organic amine cation cage. An organic amine cation cage is combined with an inorganic porous material, and the filler has the characteristics of high adsorption rate, high removal rate, good reusability and the like when being used for removing PFASs in wastewater, and is suitable for purification treatment of fluorinated wastewater in a sewage treatment plant.

The invention belongs to the technical field of cutting machine tools, and particularly relates to equipment for laser cutting, in particular to laser cutting equipment and a cutting process. The laser cutting equipment comprises a working platform and a laser cutting device, a driving mechanism; a bearing tray; and a laser cutting mechanism. The first negative pressure adsorption pipeline is arranged at the bottom of the box body, during laser cutting, smoke dust caused by cutting is directly sucked from the bottom of a material plate, the amount of the smoke dust upwelling to a laser light path is reduced, the total amount of the smoke dust attached to a lens is reduced, and the lens is prevented from being overheated; only the air inlet hole and the air outlet hole corresponding to the to-be-cut area are exposed, so that the negative pressure adsorption force acts on the real-time machining area in a concentrated mode, the negative pressure suction force is concentrated to the cutting area, the smoke dust adsorption effect is improved, the amount of smoke dust upwelling to a laser light path is further reduced, and the lens is prevented from being overheated.

The invention discloses an anti-deformation cutting device for a thin-wall steel pipe, and relates to the technical field of steel pipe cutting. The anti-deformation cutting device for the thin-wall steel pipe comprises a cutting bin, and a protective clamp is assembled in the cutting bin; the fixed rod is assembled in the cutting bin, a movable rod is assembled on the top of the fixed rod, and an in-pipe cutting disc is assembled on the side face of the movable rod; a first air pressure bin is assembled on the side face of the fixing rod, and a through liquid conveying pipeline is assembled on the side face of the cutting bin. According to the anti-deformation cutting device for the thin-wall steel pipe, the steel pipe is inserted into the protective clamp, a moving rod driven by an electric telescopic rod and an in-pipe cutting disc assembled on the moving rod are started, and a first air pressure bin, a liquid conveying pipeline, a first transmission rod, an arc-shaped rod, a rotating shaft, a stress plate, an arc-shaped blocking block and a hose are matched, so that cutting liquid can be sprayed out, and the adsorption effect of a suction cup is improved; and under the condition, the cutting stability is improved.

The utility model discloses a modularization truss type mechanical arm, relates to mechanical arm technical field, including lifting beam, rotary cylinder and multiple sets of vacuum chuck, be equipped with the regulation mechanism above multiple sets of vacuum chuck, regulation mechanism includes fixed plate, two sets of electric cylinder and movable plate, the inside of movable plate is equipped with five sets of spacing groove through, the fixed plate is equipped with the fixed plate, the two sets of electric cylinder is equipped with the spacing groove. Sliding bases are fixedly mounted on the two sides of the movable plate correspondingly, and two limiting bases are fixedly mounted on one side of the fixed plate. The adjusting mechanism is arranged to adjust the distance between the vacuum chucks in the output module, so that the device can adapt to workpieces of different sizes and shapes, the adsorption effect is optimized, it is ensured that the tightness between the vacuum chucks and the workpieces is higher, the adsorption stability and reliability are improved, the adsorption and carrying processes of the workpieces are more efficient and rapid, and the working efficiency is improved. The adaptability and flexibility of the manipulator are improved, and the automatic production process is optimized.

The invention provides a preparation method and application of an adsorption material, and belongs to the field of adsorption. The preparation method provided by the invention comprises the following steps: (1) preparing a coconut shell biomass material from a coconut shell waste raw material; (2) calcining and grinding the biomass material obtained in the step (1) to obtain coconut shell derived charcoal; (3) adding the coconut shell derived biochar obtained in the step (2) into a citric acid solution, fully mixing, adding into hydrosol generated by acetic acid and chitosan, and dropwise adding the fully mixed hydrosol into a NaOH solution to form microspheres; and (4) hardening the microspheres obtained in the step (3), fully immersing the microspheres in a mixed solution of methanol and pentanediol, washing, and drying to obtain the chitosan-coated citric acid modified coconut shell charcoal spherical adsorbent. The adsorbent provided by the invention is low in cost, high in silver ion adsorption efficiency and good in adsorption effect.

The invention provides chemical waste gas recovery and purification treatment equipment, and relates to the technical field of waste gas treatment.The chemical waste gas recovery and purification treatment equipment comprises a spraying tower, a spraying plate is fixed to the top of the spraying tower, a flow dividing assembly is arranged at the bottom of the spraying tower, the flow dividing assembly comprises a chassis, and the chassis is rotationally installed on the spraying tower; four groups of air cylinders are arranged at the top of the base plate at equal intervals, an upper plate is arranged at the tops of the air cylinders, a water outlet is formed in the bottom, corresponding to one group of air cylinders, of the base plate, and a notch is formed in the top, corresponding to one group of air cylinders, of the upper plate. The solution flows back into the gas cylinder, the newly entering waste gas is subjected to preliminary neutralization treatment, so that the subsequent secondary neutralization treatment effect is improved, the utilization rate of the neutralization solution is increased, and the discharged waste gas is dried through the drying assembly to ensure that the subsequent activated carbon adsorption effect is not influenced.

The invention relates to the related technical field of dust treatment, and discloses a power plant dust monitoring and adjusting system with a raised dust suppression function, which comprises a box body, a treatment box is fixedly arranged in the box body, a first treatment cavity and a second treatment cavity are arranged in the middle of the interior of the treatment box, and a fixed frame is fixedly arranged in the second treatment cavity; a processing assembly is arranged in the fixing frame. The two second baffles get close to each other to extrude the multiple activated carbon particles, so that the inclination height of the multiple activated carbon particles between the two second baffles is reduced, the inclination width of the multiple activated carbon particles between the two second baffles is increased, the contact stroke of gas and the multiple activated carbon particles is prolonged, and the stability of the activated carbon particles is improved. The adsorption effect of the activated carbon particles on dust in the gas is improved, so that the treatment assembly can be adjusted according to the gas treatment quality condition, and the dust in the gas can be fully adsorbed and treated.

The invention provides high-filling silver powder and a preparation method thereof, and belongs to the field of metal powder.The preparation method comprises the steps that a nano-silver solution is prepared, a dispersing agent and a first reducing agent are mixed to obtain a mixed solution, the nano-silver solution and the mixed solution are mixed in a constant-temperature stirring state to obtain a base solution, a second reducing agent solution and a silver nitrate solution are prepared respectively, and the high-filling silver powder is prepared. And under the constant-temperature stirring state, the second reducing agent solution and the silver nitrate solution are synchronously added into the base solution, a silver powder solution is obtained through reaction, the silver powder solution is subjected to washing, solid-liquid separation, drying and depolymerization shaping treatment, and the high-filling silver powder is obtained. Controllable preparation of the large-size sphericity silver powder is achieved by controlling the particle size and the adding amount of the nano-silver, regulating and controlling heterogeneous nucleation and growth sites of silver ions and inhibiting formation of multistage dendritic crystals, surface charges and steric hindrance effects of silver particles are optimized through the surface adsorption effect of the dispersing agent, the agglomeration phenomenon of the silver powder in the growth process is reduced, and the silver powder is prepared. And meanwhile, the silver powder is endowed with excellent flowability.

The invention discloses a potassium ferrate composite environmental remediation material as well as a preparation method and application thereof. The material comprises the following components in percentage by weight: 40-70% of potassium ferrate; 20-50% of a porous carrier; and 5-10% of a stabilizer. The preparation method comprises the following steps: S1, potassium ferrate synthesis: synthesizing potassium ferrate under the action of an auxiliary catalyst by adopting a sodium hypochlorite oxidation method; s2, modifying a porous carrier: activating the porous carrier with acid, soaking the porous carrier in a stabilizer solution, and drying for later use; and S3, composite loading: mixing the potassium ferrate powder and the porous carrier in proportion, then adding a binder, carrying out ball milling, then carrying out tabletting molding, and then carrying out calcination in an inert atmosphere to obtain porous composite particles, namely the environmental remediation material. The composite structure delays decomposition of potassium ferrate, and the validity period of the material is prolonged to 6 months or above. The porous carrier provides adsorption sites and cooperates with the oxidation-adsorption effect to improve the pollutant removal rate. The calcining process enhances the mechanical strength of the material, and is suitable for flowing water or deep soil injection.

The invention relates to the field of manufacturing of carbon fiber paper, in particular to a continuous preparation method and device suitable for continuous carbon fiber paper. The method comprises the following steps: preliminarily dispersing different types of carbon fibers in a device, further mixing and dissociating under the action of a dispersing agent, diluting, dispersing and homogenizing to obtain stable carbon fiber slurry. Then, in a designed continuous production device, a resin net is adopted as a receiving carrier, a carbon fiber paper wet green body is formed from the slurry under the vacuum adsorption effect, and continuous carbon fiber raw paper is obtained through specific step treatment and drying. And finally, performing carbonization treatment under different conditions to obtain a final carbon fiber paper product.

The invention belongs to the field of novel environment-friendly materials, and particularly relates to a modified covalent organic framework material for simultaneously adsorbing multiple heavy metal ions as well as a preparation method and application of the modified covalent organic framework material. The preparation method of the material comprises the following steps: dissolving 1, 3, 5-tri (4-aminophenyl) benzene and 2, 5-dihydroxy terephthalaldehyde in a mixed solvent, and standing and reacting at room temperature to obtain a mixed solution; adding scandium trifluoromethanesulfonate into the obtained mixed solution, carrying out standing reaction at room temperature, after the reaction is finished, separating insoluble substances from the reaction solution, and washing and drying the insoluble substances to obtain a covalent organic framework base material; a covalent organic framework base material prepared by adopting a neutral solution is subjected to ultrasonic modification treatment, and then the modified base material is washed and dried to obtain the modified covalent organic framework material. The material modified by the neutral solution shows a good adsorption effect on multiple heavy metal mixed ions in water, and has a good application prospect in the aspect of adsorbing and removing heavy metal ions in a water environment.

The invention discloses a preparation method of modified mesoporous silica for removing toxins and heavy metals in corn oil, which comprises the following steps: preparing mesoporous silica with a proper aperture by using rice husk as a raw material and optimizing the use of a pore-enlarging agent, and carrying out synergistic modification with octyl and sulfydryl to obtain the modified mesoporous silica. The finally prepared modified mesoporous silica has a good adsorption effect on four common toxins AFB1, ZEN, OTA and DON in the corn oil, meanwhile, the modified mesoporous silica prepared by the method can also have a good adsorption effect on heavy metal ions in the corn oil, and the corn oil can be used for preparing the corn oil. The modified mesoporous silica can adsorb various toxins and heavy metal ions at the same time, and has a good application prospect.