72results about How to "Does not affect adsorption" patented technology

The invention provides a lithium adsorbent forming process using sponge as a vector, and relates to a lithium adsorbent forming method which is used for adsorbing lithium in salt lake brine, seawater, well brine and other lithium-containing solutions. The forming process comprises the following steps: foaming powdered adsorbent and a sponge raw material, wherein the chemical characteristics of the adsorbent are not changed in the foaming process; and preparing blocky sponge by the powdered adsorbent to adsorb lithium ions in the salt lake brine. The forming process has the advantages that: by the blocky sponge lithium adsorbent prepared by the process, the problems that the powdered adsorbent is easily lost and operation is hard in the adsorbing process are fundamentally solved; and the sponge lithium adsorbent has high adsorption speed, larger specific surface area and long service life.

The invention discloses a blood-purifying adsorbent for clearing blood bilirubin and a preparation method thereof. The blood-purifying absorbent is fixed on a solid-phase carrier by adopting methacrylate biquaternary ammonium salt as aglucon through a chemical grafting method or a physical film-coating method, wherein the solid-phase carrier is a polymeric adsorbent. Correspondingly, the invention discloses a preparation method of the blood-purifying adsorbent for clearing blood bilirubin. According to the blood-purifying adsorbent disclosed by the invention, methacrylate biquaternary ammonium (PDQ for short) is adopted as the aglucon, so that not only can the special capacity for absorbing bilirubin be achieved, but also the compatibility of the adsorbent is remarkably improved. Meanwhile, the physical and chemical properties are stable, and the cost is relatively low.

The invention relates to a metal organic framework forming body and a preparation method thereof. The preparation method comprises the following steps: blending an MOFs material, a binder, a shaping agent and water, adding the mixture in a granulator and granulating, and drying and roasting obtained pellet aggregates to obtain a spherical MOFs forming body; adding the spherical MOFs forming body and polyvinylpyrrolidone in an alcohol solvent, and carrying out ultrasonic treatment for a certain time to obtain feed liquid which contains a modified spherical MOFs forming body; and finally, slowlydropwise adding a hydrophobic silylating reagent, an acid catalyst and water in the feed liquid, carrying out ultrasonic treatment for a certain time, and ageing, filtering, washing, drying and roasting to obtain the MOFs forming body of which the surface is wrapped with a hydrophobic silicon dioxide film. The prepared metal organic framework foaming body has the advantages of high mechanical strength, good water stability, large specific surface area and the like.

The invention discloses a preparation method for a nano silver chitosan composite microsphere. The preparation of the composite microsphere includes the following steps: (1) preparing silver nitrate into a 1 M of a solution, preparing glucose, polyvinylpyrrolidone and sodium hydroxide into a reducing solution, adding the silver nitrate solution into the reducing solution to perform centrifugation,washing and drying to obtain nano silver particles; (2) adding glacial acetic acid into 1-2 wt% of a chitosan aqueous solution to obtain a chitosan acetic acid solution, weighing the nano silver intothe chitosan acetic acid solution, and obtaining a nano silver antibacterial solution after stirring and ultrasound; and (3) putting the nano silver antibacterial solution into a water bath kettle with 60 DEG C, adding diluted glutaraldehyde to stir, and performing centrifugation, washing and drying after reaction is finished so that the nano silver chitosan composite microsphere can be obtained.The nano silver chitosan composite microsphere is strong in performance and adsorbability and friendly in environment, so that pollution cannot be easily caused, and the nano silver chitosan composite microsphere can be applied to fields of antibiosis and the fresh-keeping of fruits, so that the nano silver chitosan composite microsphere is an excellent edible whole natural fruit fresh-keeping agent.

The embodiment of the invention provides a medical sensor and a manufacturing method thereof. The medical sensor comprises a substrate, detection electrodes, electrode wires and artificial bristles, wherein the detection electrodes are arranged on the substrate and are used for detecting bioelectricity of the human body, the electrode wires are arranged on the substrate and are used for electrically connecting the detection electrodes to signal collecting equipment or signal processing equipment, the artificial bristles are arranged on the substrate and are densely distributed around the detection electrodes, and each artificial bristle is adsorbed on the skin surface of the human body through molecular attraction. According to the scheme, as adsorption of the medical sensor is achieved by means of molecular attraction of the artificial bristles, the medical sensor can be used many times, and adsorption will not be affected by utilization for many times; a great number of gaps exist when the artificial bristles make contact with the skin surface of the human body, air permeability is high, when used for detecting the bioelectricity of the human body, the medical sensor does not affect breath of the skin, and the comfort degree of a testee is high.

The novel adsorptive material for treating polluted air consists of active carbon or charcoal 50-100 weight portions and additive 0-50 weight portions, and the additive may be silicon colloid, calcium hopochlorite, anhydrous cup sulfate, anhydrous calcium chloride or calcium oxide. The preparation process includes first reinforced activation of active carbon or charcoal, the subsequent mixing with additive, and final vacuum packing. The present invention can adsorb, digest and degrade toxic matter in air effectively, and inhibit and kill virus in air. It is safe, efficient, low in power consumption, healthy, environment friendly, multifunctional and excellent in technological performance.

The invention provides a non-combustible air purification acoustic absorption composite material as well as a preparation method thereof. The preparation method comprises the following steps: (1) impregnating, carrying out roll compacting on and drying an activated carbon fiber felt so as to obtain an impregnation treatment felt; (2) carrying out waterproof treatment on the single surface of the impregnation treatment felt, drying, and spraying glue on the surface so as to obtain a glue spraying treatment felt; (3) compounding the glue spraying treatment felt directly along the glue spraying surface or compounding by inserting a layer of barbed wire into the glue spraying treatment felt, applying certain pressure, drying and forming, or carrying out quilting enhancement on the impregnation treatment felt directly by adopting a quilting machine so as to obtain the non-combustible air purification acoustic absorption composite material. The acoustic absorption composite material obtained by the invention has the characteristics of no smoke or naked flame in catching fire, flexible hand feel, good acoustic absorption, indoor air purification, no falling fiber in knocking and the like, also can be combined with other decoration materials to prepare acoustic absorption flame-retardant decoration materials, and is especially suitable for public places with condense people and high fire fighting requirements, such as KTV, bars, theaters and auditoriums.

The invention discloses a blood purifying adsorbent used for removing blood toxin and a preparation method, which employs 2-amino-5-methylpyridine as a ligand, and the ligand is fixed on a solid phase carrier through chemical coupling; a solid phase carrier material employs a porous microsphere form, and the glue holes permeate the molecular weight of 11,000-5,100,000. The invention discloses a preparation method of the blood purifying adsorbent used for removing blood toxin, which comprises the following steps: activating the solid phase carrier by an activator, the activator is chloropropylene oxide, epibromohydrib or N, N' carbonyl diimidazole; employing 2-amino-5-methylpyridine as the ligand, and fixing on the activated solid phase carrier through chemical coupling to obtain the blood purifying adsorbent. By using the blood purifying adsorbent, good adsorption capability are provided on IgG, IgM type antibodies and an immunization compound and a hydrophobic molecule beta2 microglobulin. The physical and chemical properties are stable, the blood purifying adsorbent has strong acid and alkali resistant and organic solvent resistance, and the cost is low.

The invention belongs to the technical field of air purification, and provides a formaldehyde-removing activated carbon / bacterial cellulose composite filler and a preparation method thereof. The preparation method comprises the following steps: performing activation and amination on activated carbon, and spraying and depositing bacterial cellulose on the surface of the activated carbon to preparethe core-shell structure composite filler for removing formaldehyde. Compared with a conventional method, the composite filler has strong formaldehyde adsorption capacity, can chemically react with formaldehyde to permanently remove formaldehyde, can effectively prevent pore blockage of the activated carbon and can be used as a filler of foamed plastic, the preparation process is simple and easy to control and is applicable to scale production, and thus the composite filler can be widely used in the field of formaldehyde removal for indoor purification.

The invention discloses a blackboard eraser capable of reducing chalk dust flying. The blackboard eraser comprises a box body; a plurality of rubber assemblies are symmetrically installed on the innerwall of the box body; a plurality of friction rollers are symmetrically and rotationally connected to the interior of the box body, and first gears are coaxially installed on the friction rollers located at the two ends; two second gears are symmetrically and rotationally connected to the interior of the box body; two installation seats are symmetrically and fixedly connected to the inner side wall of the box body; a plurality of reset springs are symmetrically and fixedly connected to the lower surface of each installation seat; an L-shaped rack is fixedly connected to the lower ends of themultiple reset springs located on the same installation seat; and a sponge is installed at the upper ends of the two L-shaped racks and symmetrically provided with a plurality of dust collection holes, and a filter net is arranged in each dust collection hole. The blackboard eraser has the advantages that the structure is ingenious, using is convenient, chalk dust can be sucked through the simplephysical common sense, and the damage of chalk dust flying to human bodies is reduced.

The invention discloses a soil micro-plastics separating device and separating method. The device comprises a fixing box, a sample collecting pool and a vibrator. A conveyor pipe is arranged in the fixing box. One end of the conveyor pipe passes through the fixing box and is connected with an air pump, and the other end passes through the fixing box and is connected with a filter or a sample collecting bottle. The conveyor pipe is connected with the lower end of the sample collecting pool through a sample inlet pipe. A filter funnel is arranged at the top of the sample collecting tank, and a supporting structure is arranged inside the sample collecting pool. The vibrator is fixed in the sample collecting tank through the supporting structure. A fan is arranged on the upper inner wall of the sample collecting tank. The micro-plastics separating method includes the steps of collecting micro-plastics by a filter membrane on the filter and separating the micro-plastics to the sample collecting bottle. The separation effect is obviously improved. The sample recovery rate is obviously improved. There is no need to add density solution. The content of other pollutants adsorbed on the surface of micro-plastics will not be affected, and the follow-up study on the law of adsorption on the surface of micro-plastics is facilitated. The extraction time is shortened, and manpower and material resources are saved.

The invention discloses a flotation separation agent system for copper-molybdenum mixed concentrates and application of the flotation separation agent system. The flotation separation agent system forthe copper-molybdenum mixed concentrates comprises a copper mineral inhibitor, a molybdenum mineral collector and a foaming agent in a copper-molybdenum flotation separation process. The copper mineral inhibitor comprises the following components in parts by weight: 3-7 parts of sodium hydroxide, 3-6 parts of hydrogen peroxide, 15-25 parts of sodium thioglycolate, 2-5 parts of pentasodium diethylenetriaminepentaacetate and a proper amount of water; the molybdenum mineral collector comprises the following components in parts by weight: 20-30 parts of kerosene and 5-10 parts of tert-dodecyl mercaptan; and the foaming agent is 2-hexanol. The inhibitor and the collector are high in selective adsorption capacity, the synergy performance is excellent, the activity of groups of the foaming agentis high, formed foams are crisp and compact, and the mineralization effect is good. According to the flotation separation agent system for copper and molybdenum, the floatability difference between molybdenum minerals and copper minerals in the complex copper and molybdenum mixed concentrates difficult to separate can be greatly improved, the mutual content of the copper and the molybdenum is effectively reduced, the separation index is excellent, adopted agents are nontoxic and harmless, and the influence on the environment is small.

The invention discloses a method used for selective recovery of gold in aqueous solutions via reduction and adsorption coupling. The method comprises following steps: an adsorbent is added into a gold-containing solution at a certain solid-liquid ratio; an amino acid reducing agent with a certain concentration is added; an obtained mixture is subjected to oscillation for 10min to 48h so as to realize solid-liquid separation; and the adsorbent loaded with gold is subjected to washing with a thiocarbamide hydrochloric acid solution so as to realize complete desorption of gold; after desorption, the adsorbent is recycled with 1M NaOH; or the adsorbent loaded with gold is subjected to roasting at 400 to 600 DEG C, and metallic gold is obtained via adsorbent decomposition. According to the method, auxiliary amino acid reducing agents such as glycine are added into the solutions, so that loading capacity of the adsorbent on gold is increased greatly, and gold absorbed by the adsorbent can be recycled in that state of metallic gold; desorption of loaded gold can be realized with acidic thiocarbamide solutions; and the adsorbent can be recycled via activation with alkali. The application prospect of the method is promising because of the advantages.

The invention discloses a preparation method of a two-component silicone sealant for laminated glass. The preparation method comprises the following steps: by taking a silane coupling agent as an adhesive, supporting nanometer titania onto a nano-zeolite molecular sieve by utilizing a sol-gel reaction, drying, and performing high-temperature thermal treatment so as to obtain a titania-zeolite molecular sieve composite material; and mixing with raw materials such as alpha,omega-dyhydroxyl polydimethylsiloxane, alkyl-terminated polydimethylsiloxane, methyl silicone oil, a cross-linking agent, acatalyst and the like, thereby obtaining the two-component silicone sealant for laminated glass. The two-component silicone sealant for laminated glass prepared by the method disclosed by the invention can achieve the effects of effectively reducing moisture intrusion and further well alleviating edge abhesion, bubbles and other lesions of the laminated glass, and is excellent in aging resistanceand high in durability.

The invention discloses a highly anti-coagulant polystyrene microsphere and preparation and application methods thereof. The highly anti-coagulant polystyrene microsphere comprises a polystyrene microsphere body and an anti-coagulant modification layer formed on the surface of the polystyrene microsphere body, wherein the anti-coagulant modification layer comprises a heparinoid functional layer, and the heparinoid function layer comprises an active heparinoid polymer prepared by polymerizing and crosslinking olefin acid monomers, sodium sulfonate monomers and crosslinking agent monomers. The preparation method of the highly anti-coagulant polystyrene microsphere comprises subjecting the olefin acid monomers, the sodium sulfonate monomers, the crosslinking agent monomers and initiators to polymerization and crosslinking reaction to obtain an active heparinoid aqueous solution, subjecting the polystyrene microsphere body to contact with the active heparinoid aqueous solution and then auto-polymerization and crosslinking under acid conditions to obtain the highly anti-coagulant polystyrene microsphere. The prepared highly anti-coagulant polystyrene microsphere is high in blood compatibility, and meanwhile, the preparation method of the highly anti-coagulant polystyrene microsphere is simple in technical process, easy to operate and implement and applicable to industrial productionand popularization.

The invention discloses a novel adsorption column for removing heavy metals and a preparation method of the adsorption column. Recovered waste sodium alginate gel and environment-friendly resin are combined, artificial stones are formed, and the adsorption column is further prepared. The adsorption column has the effect of adsorbing heavy metal ions, the adsorption column which has certain space and is formed by a top cover, a strip-shaped cage body and a bottom plate can be filled with other adsorption gel capsule materials for removing the heavy metal ions, and the problem that the gel capsule materials cannot be recovered after heavy metal adsorption is solved. Tightening ring parts of the adsorption column are used for fixing the body of the adsorption column so as to prevent the adsorption column from falling apart. Recovery, regrinding and sample preparation can be performed after the adsorption column is damaged during adsorption, and recycling is realized. The novel adsorption column for removing the heavy metals has excellent performance such as high mechanical strength, good pollution resistance, acid and alkali corrosion resistance and the like and has very high commercial exploitation value, and secondary pollution can be avoided fundamentally.

The invention discloses a motor waveform gasket mounting device. The device comprises a turntable, a plurality of mounting columns, a magnetic attraction device, a sucker mechanism, a sliding mechanism and a mounting base; the mounting columns are distributed around the periphery of the turntable at intervals; each mounting column comprises a column body; the column bodies are fixedly connected with the turntable and extend upwards from the top of the turntable; the column bodies are used for sleeving stacked waveform gaskets; the magnetic attraction device is provided with magnetic attractionheads; the magnetic attraction heads are opposite to the upper portions of the column bodies and used for magnetizing and separating the waveform gaskets; the sliding mechanism is used for driving the sucker mechanism to reciprocate between the upper portions of the column bodies and the upper portion of the mounting base; and a vacuum sucker of the sucker mechanism is used for attracting the waveform gasket. According to the motor waveform gasket mounting device, the waveform gaskets can be separated quickly and effectively, and installation of the waveform gaskets is completed.

The invention discloses a novel adsorption composite material, prepared from the following substances in parts by weight: 30-45 parts of activated carbon, 25-35 parts of ion exchange resin, 8-12 parts of aliphatic epoxy resin, 7-13 parts of glycerophosphate, 10-15 parts of phosphopyridoxal, 11-16 parts of 4-chloro-2-aminophenol-6-sulfonic acid, 4-7 parts of 2,6-dimethoxyphenol, 8-12 parts of 3,4-dimethoxybenzyl alcohol and 15-20 parts of diethylene glycol monobutyl ether. Through mixing the modified activated carbon with the modified ion exchange resin, the composite material with good adsorption effects on heavy metal ions as well as chemical organic matters is prepared.

An adsorption force-adjustable permanent magnet gap adsorption device -based on the principle of internal balance comprises an adsorption force adjusting mechanism, a permanent magnet clearance adsorption mechanism and an internal balance spring mechanism. A suction force adjust mechanism is fixedly connected with that robot body, a permanent magnet gap suction mechanism is arrange below the robotbody and is connected with the suction force adjusting mechanism, and an internal balance spring mechanism is fixedly arranged below the robot body and is connected with the permanent magnet gap suction mechanism. The invention overcomes the disadvantage that the adsorption force of the existing permanent magnet adsorption device is not adjustable, and realizes the adjustment of the adsorption force of the permanent magnet adsorption device. Adopting the principle of internal balance, the driving torque required for the adjustment of adsorption force is effectively limited without affecting the adsorption performance of the device.

The invention discloses a vertical adsorber and a gas purification and adsorption system and method. The vertical adsorber comprises a shell, a gas distributor, adsorbent layers and a heat preservation layer arranged on the outer surface of the shell. The gas distributor is arranged in the shell and located between the upper surface and the lower surface of the shell, and the gas distributor comprises a first gas distributor arranged adjacent to the upper surface of the shell and a second gas distributor arranged adjacent to the lower surface of the shell; at least two adsorbent layers are arranged between the first gas distributor and the second gas distributor, a gas redistributor is independently arranged between every two adjacent adsorbent layers, and a hollow interlayer is formed between the upper surface / lower surface of each adsorbent layer and the gas distributor / gas redistributor. The adsorber is simple in structure, easy to design and manufacture, high in adsorption efficiency and good in adsorption effect, and continuous purification of circulating hydrogen in the polycrystalline silicon production process can be achieved and high-purity hydrogen capable of meeting thepolycrystalline silicon production requirement can be obtained by coupling and using a plurality of vertical adsorbers.

The invention provides an amino porous material and a preparation method and application thereof. The preparation method comprises the following steps: wetting a rigid material with a polyethyleneimine solution and filling and accumulating gaps of the rigid material; fully crosslinking by adding a crosslinking agent solution, or mixing the polyethylenimine solution with a crosslinking agent to obtain a mixture, and adding the rigid material into the mixture; then dewatering and drying by a water pump to volatilize water in the gaps; during dewatering, acting polyethyleneimine and the cross-linking agent to form a network which sleeves the surface of the rigid material component; and drying to obtain the amino porous material. The porous material can be directly used as a block material toadsorb various acid gases, organic acids, anionic direct dyes and reactive dyes, and can also be crushed and packed for use. Compared with the prior art, the amino porous material has the characteristics of green production, high mechanical strength, easiness in regeneration and the like.

The invention provides a heavy metal remover for deep removal of arsenic and cadmium ions in waste water. The heavy metal remover is prepared from the components of magnetic biochar, chitosan, proteinand glutaraldehyde. The heavy metal remover is a gel remover prepared with the magnetic biochar as a carrier and loaded with the chitosan and the protein. The heavy metal remover is magnetic and is convenient to separate in the precipitation. The crosslinking of the chitosan and protein improves the stability of the remover so that the remover can absorb arsenic and cadmium in a high concentration wastewater environment. After the crosslinking of the chitosan and protein, more hydroxyl and carboxyl groups are combined with metal ions, and the removal efficiency of heavy metals is improved. According to the heavy metal remover for deep removal of the arsenic and cadmium ions in waste water, the waste is taken as the raw material to prepare the high-efficiency heavy metal remover which is safe and environmentally friendly, the utilization rate of the material is improved, and the heavy metal remover is conducive to the sustainable development, and has a good prospect.

The invention relates to the technical field of wastewater treatment devices, in particular to a radioactive wastewater treatment device. The device comprises an upper barrel body and a lower barrel body, a partition plate is arranged on the upper middle portion of an inner cavity of the upper barrel body and divides the upper barrel body into a waste liquid buffer cavity and a waste liquid reaction cavity from top to bottom, a flow guide pipe is arranged below the partition plate, liquid discharging holes are evenly distributed in a flow guide pipe jet flow section, and a pushing and scrapingmechanism is further arranged at the upper end of the inner cavity of the upper barrel body. A first telescopic mechanism is fixed in the lower barrel body, the upper end of the first telescopic mechanism is fixedly connected with a pore plate, the pore plate is in contact with the flow guide pipe, a water treatment material is filled above the pore plate and below the pushing and scraping mechanism, a liquid outlet of the lower barrel body is communicated with an inlet of a three-way valve, one outlet of the three-way valve is connected with the starting end of a circulating pipeline, and the tail end of the circulating pipeline is communicated with the waste liquid buffer cavity. When the water treatment material is replaced, radioactive wastewater is not in contact with an operator, and crushed waste residues of the water treatment material can be cleaned up together.

The invention relates to a magnetic activated carbon preparation method, in particular to a magnetically-separable activated carbon composite material and a preparation method thereof. The magnetically-separable activated carbon composite material is formed by compositing of activated carbon particles and a magnetic particle material, and activated carbon separation and extraction can be realizedby the aid of an external magnetic field. The method includes steps: step one, performing activated carbon extraction and surface modification; step two, taking activated carbon as a carrier to prepare two or more types of metal salt solutions according to certain proportions; step three, adding a certain quantity of citric acid, well mixing, dropwise adding ammonium hydroxide to adjust a pH value, and well stirring; step four, forming gel at a certain temperature; step five, sintering under shielding of nitrogen; step six, magnetically separating, washing and drying. The magnetically-separable activated carbon composite material and the preparation method thereof have advantages that the adsorption performance of bamboo charcoal is unaffected by loading of a small quantity of magnetic materials while magnetism of the activated carbon particles is realized, and separation and recovery of the activated carbon can be realized through the external magnetic field after adsorption of harmful impurities in sewage.

The invention discloses a vicinal diol functionalized macroporous through-hole material as well as a preparation method and boric acid adsorption application thereof. The preparation method comprisesthe following steps: (1) adding an anionic surfactant into a polyethyleneimine aqueous solution; (2) adding microcrystalline cellulose into the system as a supporting material, and oscillating at a high speed for several minutes to form an air-in-water emulsion; (3) adding a cross-linking agent into the air-in-water emulsion, and oscillating at a high speed for several minutes to partially cross-link polyethyleneimine to cure the emulsion to form a block material; (4) forming a through-hole material through vacuum dehydration, wherein the microcrystalline cellulose can prevent the porous material from overall great shrinkage in the dehydration process, but local microscopic shrinkage still occurs, so that a porous through-hole structure is formed, and the anionic surfactant adsorbed on thesurface of holes is removed through alkaline washing; and (5) converting amino hydrogen on the surface of the porous material into vicinal diol functional groups through glycidyl ether treatment. Thevicinal diol functionalized macroporous through-hole material has the characteristics of simplicity and convenience in preparation, large adsorption capacity, mild regeneration conditions, repeated regeneration and no powder falling.

The invention discloses a method for preparing high-performance coal water slurry from kettle bottom residues and waste emulsion. The method comprises the steps: (1) drying, crushing and screening raw material coal and kettle bottom residues to obtain coal powder and kettle bottom residue powder; (2) sequentially performing filtration and ultrafiltration pretreatment on the metal processing waste emulsion, adding activated carbon powder, and stirring and adsorbing to obtain pretreated waste emulsion; and (3) mixing 65-85 parts by weight of pulverized coal, 65-75 parts by weight of the pretreated waste emulsion, 15-28 parts by weight of kettle bottom residue powder and 1-2 parts by weight of an additive, carrying out ball milling, and uniformly stirring to obtain the high-performance coal water slurry. Through compatibility of the kettle bottom residues, the metal processing waste emulsion, the activated carbon and the pulverized coal, various properties of the coal water slurry are effectively improved by utilizing interaction among wastes, and the high-performance coal water slurry which is high in solid content, good in dispersity and stability and high in combustion efficiency is prepared.

The invention discloses a preparation method of a magnetic corncob hierarchical porous carbon microsphere surface imprinting material. Corncob is taken as the carbon source to prepare a biomass carbon microsphere; sodium hydroxide is taken as an activator; a certain amount of nicotinamide and 1-(3-hydroxyl-n-propyl) cyclopentanol is added; the prepared corncob hierarchical porous carbon microsphere is taken as a stabilizing agent of Pickering emulsion; 4-chlorophenol (4-CP) is taken as a template molecule, toluene is taken as a pore forming agent and an organic solvent; ethylene glycol dimethacrylate (EGDMA) is taken as a crosslinking agent, 4-vinyl pyridine is taken as a functional monomer, EGDMA and 4-vinyl pyridine are mixed, the mixture is taken as an oil phase; the corncob hierarchical porous carbon microsphere and 2,2-diazobis(2-methylpropionamidine) dihydrochloride are added into water and evenly dispersed to prepare a water phase; the oil phase and the water phase are mixed and processed by ultrasonic waves to prepare stable Pickering emulsion; and then Pickering emulsion polymerization is carried out to prepare the magnetic corncob hierarchical porous carbon microsphere surface imprinting material, which can be applied to selective identification and separation of 4-chlorophenol in a water environment.

The invention provides an aminopolycanboxylic acid porous material as well as a preparation method and an application thereof. The preparation method of the aminopolycanboxylic acid porous material comprises steps as follows: rigid particles are dispersed in an aqueous solution of polyethyleneimine, the pH value is regulated, an oil phase is added during stirring, and an oil-in-water emulsion is obtained; a cross-linking agent is added to the oil-in-water emulsion for cross-linking, deoiling and dehydration are performed, and a porous material is obtained by drying; the porous material is added to an aqueous solution containing haloacetic acid and subjected to a reaction under the alkaline condition, and the aminopolycanboxylic acid porous material is obtained. When the porous material isused as an adsorbent, the porous material can be regenerated by regulating the pH value, and organic anions are adsorbed under the low pH value and desorbed under the high pH value generally; organiccations are adsorbed under the high pH value and desorbed under the low pH value; metal ions are adsorbed near the neutral pH value and can be regenerated when the pH ranges from 1 to 3; compared withthe prior art, the aminopolycanboxylic acid porous material has the characteristics of being large in size, higher in mechanical strength, easy to regenerate, easy to separate and the like.