42results about How to "Increase the adsorption rate" patented technology

The invention discloses a carbon dioxide adsorbent and a preparation method and application thereof.The preparation method comprises the following steps that a biological shell material is cleaned and then dried, the pretreated biological shell material is ground, and coarse shell powder is obtained; sequentially calcining and grinding the coarse shell powder in a protective atmosphere to obtain shell micro powder; mixing the shell micro powder with a magnesium oxide solid phase, calcining in a protective atmosphere, and grinding to obtain the carbon dioxide adsorbent. According to the invention, a solid-phase mixing method is adopted, and the marine biological waste with specific content and magnesium oxide are mixed, so that the mutual cooperation and mutual synergism among the raw material components can be fully exerted, the element composition and microstructure of the adsorbent material can be effectively regulated and controlled, and by virtue of the preparation method which is easy to operate and low in cost, the adsorbent material can be prepared. The obtained novel carbon dioxide adsorbent can improve the CO2 adsorption capacity and cycle stability of MgO, and can stably maintain high carbon dioxide adsorption rate and adsorption capacity for a long time.

The invention discloses a medicinal silica gel desiccant with high adsorption speed and a preparation method thereof, and belongs to the technical field of desiccant preparation. The medicinal silica gel desiccant with high adsorption speed is prepared from the following components in parts by weight: 50-65 parts of silica gel, 4-8 parts of calcium chloride, 3-6 parts of magnesium sulfate, 3-7 parts of ferric oxide, 1-4 parts of an antibacterial compound, 5-10 parts of a modified surfactant, 1-2 parts of potassium hydroxide, 10-30 parts of ice water, 2-4 parts of acrylic acid, 2-4 parts of acrylamide and 0.4-0.8 part of sodium carboxymethyl starch. 0.2 to 0.3 part of benzoin dimethyl ether, 0.005 to 0.015 part of polyethylene glycol diacrylate and 1 to 2 parts of methanol. The silica gel desiccant prepared by the method has excellent antibacterial performance, adsorption rate and adsorption capacity.

The invention discloses a composite saline alkali soil conditioner, which is prepared from the following ingredients in parts by weight: 30 to 40 parts of iron ion modified charcoal, 10 to 20 parts of inorganic waste residues, 5 to 10 parts of humic acid, 10 to 15 parts of modified polyacrylamide and 1 to 3 parts of auxiliary microbial agents. The modified polyacrylamide has a structure as shown in a formula A, the ratio of x to y to z is (10-15): (3-5): (2-3), and the molecular weight is 50000-120000. The composite saline-alkali soil conditioner provided by the invention is prepared by compounding the iron ion modified biochar, the inorganic waste residue, the humic acid, the modified polyacrylamide and the auxiliary microbial agent, has excellent salt reduction and carbon sequestration capabilities, reduces resource waste and environmental pollution by reusing agricultural and forestry wastes and the waste residue, and has a good application prospect. The method can be widely applied to the field of improvement of saline-alkali soil. # imgabs0 #

The invention discloses a preparation method and application of magnetic mesoporous ferro-manganese bimetal, and belongs to the technical field of environmental functional materials. The method comprises the following steps: firstly, preparing iron-manganese bimetallic gel, and then calcining to prepare the magnetic mesoporous iron-manganese bimetallic material. According to the method, firstly, iron-manganese bimetallic gel is prepared, and then the iron-manganese bimetallic gel is converted into the magnetic mesoporous iron-manganese bimetallic material through calcination. The preparation method is simple in process and short in time. The prepared ferro-manganese bimetal has the mesoporous channel characteristic, and mass transfer and adsorption removal of pollutants are facilitated. The manganese element in the prepared ferro-manganese bimetal has the capability of oxidizing As (III) and Sb (III). In addition, the prepared ferro-manganese bimetal has magnetism and is convenient to recycle, and the adsorption effect of the material on arsenic and antimony is stable.

The invention discloses a landfill leachate pretreatment device, and relates to the technical field of landfill leachate treatment.The landfill leachate pretreatment device comprises a tank body, supporting legs are fixedly installed at the bottom of the tank body, a feeding opening is fixedly formed in the top of the tank body, a collecting plate is fixedly installed in the tank body, and a filtering device is arranged in the tank body; a stirring device is arranged in the tank body, a quantitative dosing device is arranged in the tank body, the filtering device comprises a motor, a reciprocating screw rod, a sliding block, a first scraping rod, a filtering plate, a first gear, a rotating wheel, a gear ring, a second scraping rod and a collecting box, and suspended solids and dirt attached to the surface of the filtering plate are removed through movement of the first scraping rod, so that the permeability of the filtering plate is kept; meanwhile, the damage or corrosion of the filter plate caused by dirt accumulation is reduced, the service life of the filter plate is prolonged, and the maintenance and replacement cost of the filter plate is reduced.

The invention discloses a PPR pipe with copper resistance and a preparation method thereof, and relates to the technical field of building water supply PPR pipes. The copper-resistant color master batch comprises the following components: modified activated carbon; polypropylene random copolymer resin; an antioxidant and copper inhibitor 1024; the modified activated carbon comprises activated carbon and amino / amino modified cross-linked chitosan nano-microspheres loaded on the activated carbon. The PPR pipe with the copper resistance comprises a PPR outer layer and a copper-resistant functional inner layer, and the copper-resistant functional inner layer comprises PPR resin and copper-resistant color master batches. The activated carbon loaded with amino / amino modified cross-linked chitosan nano-microspheres and the copper-resistant antioxidant 1024 are added to the inner layer of the PPR pipe to achieve a synergistic effect, so that the copper ion adsorption and complexing capacity is improved, the long-term effect is achieved, the problem of copper harm of the PPR pipe is effectively solved, and the formed PPR pipe meets the sanitary performance requirement for conveying drinking water.

The invention relates to an MOF glass fiber composite material as well as a preparation method and application thereof. The MOF glass fiber composite material comprises: a glass fiber substrate; the MOF material is loaded on the surface of the glass fiber substrate; the functional modification layer is positioned on the surface of the MOF material; the functional modification layer comprises one of amino, carboxyl and hydroxyl. The MOF and the glass fibers are compounded and subjected to functionalization treatment, so that the material has efficient CO2 adsorption performance and gas selectivity, low-energy-consumption regeneration is realized, the mechanical strength and thermal stability of the material are enhanced, and the material is suitable for industrial environments.

The invention discloses application of bentonite-loaded calcium-iron layered double hydroxides in passivating cadmium in tomato plants. The application comprises the following steps: increasing the fresh weight and dry weight of the tomato plants planted in cadmium-polluted soil; the plant height and root length of tomato plants planted in the cadmium-polluted soil are improved; and passivating cadmium in tomato plants planted in the cadmium-polluted soil. The bentonite-loaded calcium-iron layered double hydroxide is prepared by the following method: dissolving bentonite, FeCl3. 6H2O and CaCl2 in deionized water, adding Na2CO3 and NaOH solutions while stirring, adjusting the pH to 11-13 to obtain a solid-liquid mixture, filtering after reaction to obtain a precipitate, washing with deionized water to be neutral, drying and grinding to obtain the bentonite-loaded calcium-iron layered double hydroxide. The research aims at repairing Cd-polluted soil, bentonite and layered double hydroxides widely existing in the nature are used as raw materials, CaFe-LDH (at) BT is prepared by using a coprecipitation method, and the content of available Cd in the soil can be effectively reduced by applying 0.4% of CaFe-LDH (at) BT; the dry weight and fresh weight of tomato plants are improved, the content of Cd in roots, stems, leaves and fruits of the tomato plants is effectively reduced, and the transfer coefficient of Cd in the tomato plants and the enrichment coefficient of overground parts are also reduced.

The invention provides a method for dyeing spandex textiles with reactive dyes, wherein a solvent system suitable for dyeing spandex textiles is used to uniformly disperse reactive dyes to prepare dye liquor, and then the spandex textiles treated with pre-stretching or tension relaxation are dyed. The solvent system includes a binary solvent system of a water-soluble monohydric alcohol organic solvent and water; a water-insoluble halogenated hydrocarbon organic solvent may also be added to form a ternary solvent system. The solvent system of the dye liquor of the invention can make the reactive dye molecules in the dye liquor significantly aggregate, making it easier to enter the interior of the spandex; and the solvent system has excellent wettability, which is more conducive to the combination of reactive dyes and spandex. The method has a short process time and a low dyeing temperature, and will not damage the internal structure of the spandex. The dyed spandex product has good color fastness and color uniformity; and no auxiliary agent needs to be added during the dyeing process, which reduces energy consumption and wastewater discharge, and has the advantages of being green and environmentally friendly.

The invention relates to a passive sampler and a detection method for organophosphorus esters and converted products thereof, which are characterized in that on the basis of an organic silica gel wrist strap, the novel passive sampler is designed by combining the organic silica gel wrist strap with a solid-phase extraction filler technology, and an SPE filler is used as a sampling medium of OPEs in air, so that the defects of a single silica gel wrist strap are overcome; the OPEs monitoring can be better served; the passive sampler comprises a nylon glass fiber shell, a polyethylene sieve plate and a full fluororubber gasket are arranged in the nylon glass fiber shell, HC-C18 / CN composite filler is contained in a formed space, and a silica gel ring can be arranged on the outer side of the nylon glass fiber shell in a sleeving mode. The composite passive sampler disclosed by the invention has the beneficial effects that compared with a single silica gel material, the composite passive sampler prepared by the invention has the advantages that the adsorption curves of OPEs and di-OPEs are improved; particularly, the effect of remarkably increasing the adsorption rate and the adsorption capacity on aromatic OPEs such as TPHP and TCRP is achieved.

The invention belongs to the technical field of air purification, and particularly relates to an activated carbon adsorbent with ultra-high molecular weight polyethylene fibers as a framework and a preparation method of the activated carbon adsorbent. The activated carbon adsorbent is of a porous sheet structure and comprises 85-95 wt% of activated carbon powder, 1-10 wt% of a polymer and 0.2-3.0 wt% of an auxiliary agent, wherein the polymer is ultra-high molecular weight polyethylene or a mixture of ultra-high molecular weight polyethylene and high-density polyethylene; the polymer presents a cross network skeleton structure in a fibrous form, and the active carbon powder and the auxiliary agent are attached to the polymer fiber. The activated carbon adsorbent has the advantages of extremely low dust capacity in the use process, high content of effective components, small bed resistance, high harmful gas adsorption rate and the like.

This invention belongs to the field of activated carbon modification, specifically disclosing a method for controlling the synergistic enhancement of nitrogen and oxygen modification in activated carbon for H2S adsorption. The invention involves adding a nitrogen-containing reagent or continuously introducing a nitrogen-containing gas into an activated carbon reactor, causing the activated carbon to form a large number of nitrogen-containing functional groups on its surface after nitrogen modification treatment. The temperature of the activated carbon is then lowered to a first temperature, and a water vapor modification atmosphere is introduced into the reactor, thereby opening and generating adsorption channels in the activated carbon. Next, the temperature of the activated carbon is lowered to a second temperature, and an oxygen modification atmosphere is introduced into the reactor, causing a large number of oxygen-containing functional groups to form on the surface of the activated carbon. Finally, the activated carbon is cooled to room temperature in an inert gas atmosphere. This invention can generate a large number of nitrogen-containing and oxygen-containing functional groups on the surface of activated carbon, while simultaneously creating a large number of activated carbon adsorption channels, greatly improving the adsorption capacity of the activated carbon.

The invention discloses a method for preparing and applying a monodisperse magnetic microsphere modified by a multi-carboxyl hyperbranched polyglycerol, and the method comprises the following steps: S1, preparing polystyrene seed microspheres; S2, preparing PGMA-NH2 microspheres; S3, preparing magnetic PGMA microspheres; S4, preparing monodisperse magnetic microspheres modified by a multi-carboxyl hyperbranched polyglycerol. The monodisperse magnetic microspheres provided by the invention have good stability, acid and alkali resistance, and a large specific surface area, which are conducive to the attachment of dye molecules, and can realize efficient adsorption of cationic dyes, and can be applied to the removal of cationic dyes in wastewater. The monodisperse magnetic microspheres of the invention also have good magnetism, can be easily separated by applying a magnetic field, and the separated materials can also be recycled by eluting with an eluent, which can increase economic benefits.

The preparation method comprises the following steps: stirring and mixing low-density polyethylene, polyethylene wax and magnesium stearate at a high speed, and heating to a constant temperature until the polyethylene wax is completely molten; adding high-stability pigment particles, and stirring until the surface of the low-density polyethylene is coated with a large number of high-stability pigment particles to obtain a mixture; and heating a twin-screw extruder to 130 DEG C, adding the mixture, extruding and granulating to obtain the color master batch which is not easy to fade and used for the lawn. According to the preparation method, pigment-loaded modified porous materials with different apertures are prepared into fibers by adopting an electrostatic spinning method, then an interphase is formed among electrostatic spinning membrane fibers by utilizing electrostatic interaction between positively charged chitosan and negatively charged attapulgite nanorods, each fiber is coated with the interphase, and a nano coating is formed; and a strong and compact interface is formed, so that the stability of the pigment is protected, the light resistance and the aging resistance stability are improved, and meanwhile, the compatibility and the dispersity between the pigment and matrix resin can also be improved.

This invention provides a flow electrode particle, its preparation method, and its application. The flow electrode particle is a composite microsphere comprising a lithium-intercalating active material and a conductive material; the conductivity of the flow electrode particle is not less than 4.8 × 10⁻⁶. ‑4 S / m; the contact angle between the flowing electrode particles and water is 60-80°; the specific surface area of ​​the flowing electrode particles is 30-60 m². 2 / g. The flowing electrode particles provided by this invention have good conductivity and hydrophilicity, and good adsorption of lithium. The flowing electrode slurry prepared from them can be used in flowing electrode lithium extraction devices to improve the adsorption capacity and adsorption rate of lithium.

The invention provides a selenium-containing wastewater treatment method, and belongs to the technical field of wastewater treatment. The treatment method comprises the following steps: adjusting the pH value of the selenium-containing wastewater to 7-10, adding an organic-inorganic composite flocculant, carrying out stirring reaction, and carrying out solid-liquid separation to obtain primarily treated wastewater; introducing the primarily treated wastewater into a tower oxidation reactor for ozone oxidation reaction to oxidize tetravalent selenium into hexavalent selenium; the wastewater subjected to ozone oxidation is adjusted to be weakly acidic and then flows through a manganese sand filter, and selenium in the wastewater is adsorbed by manganese sand; wherein in the tower-type oxidation reactor, the wastewater and ozone gas are subjected to gas-liquid countercurrent contact reaction and then subjected to standing reaction. According to the method, three-stage processes are set, including flocculation and sedimentation of an organic and inorganic composite flocculant, step-by-step oxidation of ozone, filtration and adsorption of manganese sand under weak acidity, and efficient oxidation of selenite (tetravalent selenium) into selenate (tetravalent selenium), so that the selenium removal efficiency is improved, and the removal rate of selenium in selenium-containing wastewater reaches up to 99% or above.

The invention discloses alginate-based composite aerogel for chromium (III) ion adsorption and a preparation method of the alginate-based composite aerogel, relates to the technical field of environment-friendly materials, and particularly discloses the alginate-based composite aerogel for chromium (III) ion adsorption and the preparation method of the alginate-based composite aerogel. The composite aerogel is prepared by carboxymethylation modification and hydrophobic modification of alginate, and combination of waste textile converted activated carbon and an iron oxide additive through a special process. The aerogel has an excellent pore structure and surface properties, and the adsorption capacity and efficiency of the aerogel on chromium (III) ions are remarkably enhanced; compared with a traditional adsorption material, the adsorption material provided by the invention not only overcomes the obstruction of a hydration membrane to the adsorption process, but also improves the adsorption capacity and selectivity, and realizes efficient and rapid removal of chromium (III) ions in wastewater; the preparation method is simple, the cost is controllable, the application prospect is wide, and an innovative solution is provided for environmental protection and heavy metal pollution abatement.

The present invention relates to the technical field of mercury removal in water bodies, and in particular to the preparation of a gel ball-loaded sulfur cluster multi-level pore MOFs composite material and its application in removing Hg(II) from water. The present invention provides a gel ball-loaded sulfur cluster multi-level pore MOFs composite material, comprising a framework material of sulfur cluster-modified multi-level pore UiO‑66, and a guar gum gel layer wrapped on the framework material; wherein the sulfur cluster-modified multi-level pore UiO‑66 comprises multi-level pore UiO‑66 with micropores and mesopores and sulfur active sites anchored on the multi-level pore UiO‑66. The provided gel ball-loaded sulfur cluster multi-level pore MOFs composite material has high mass transfer efficiency and high structural stability, and can realize efficient adsorption of Hg(II) in a complex water environment.

This invention provides a one-step in-situ preparation method for high-performance oatmeal-like composite adsorbent materials, along with its application, belonging to the field of liquid resource development and rare metal recovery technology. The preparation method includes the following steps: dissolving ferrous cyanide and sodium alginate in water to obtain solution A; dissolving a metal salt in water to obtain solution B; adding solution A dropwise to solution B to initiate a cross-linking reaction and then separating and washing to obtain the oatmeal-like composite adsorbent material. This invention also provides an application of the oatmeal-like composite adsorbent material in the separation and enrichment of cesium in radioactive wastewater. The preparation method of this invention greatly simplifies the process flow, avoiding the technical difficulties of complex preparation processes, easy powder agglomeration, and cumbersome composite processes inherent in traditional powder adsorbents. Furthermore, the prepared composite adsorbent material exhibits high adsorption capacity, adsorption rate, and cycle stability, making it easy to achieve continuous industrial operation.

This invention discloses a hierarchical guanidine resin-based CO2 adsorbent material and its preparation method, belonging to the field of polymer synthesis technology. The adsorbent material prepared by this invention has a composite spherical structure and a hierarchical pore structure, including micropores, mesopores, and macropores. By introducing a hierarchical pore structure, the adsorption capacity of the material for CO2 is effectively improved. The introduction of hierarchical pores can significantly reduce molecular diffusion resistance and increase the contact area between the adsorbent and CO2 molecules, thereby achieving rapid adsorption. Furthermore, pyridyl, polyamino compounds, and guanidine groups have strong basicity and chemical affinity for CO2. Through surface functionalization modification, the number of active sites on the material surface is significantly increased, thereby further improving the CO2 adsorption capacity and selectivity.

The present invention belongs to the technical field of preparation of adsorption separation functional materials, and discloses a controllable preparation method of a cross-shrinkage COF nanocapsule and an application of selective separation of gold. The method uses 1,3,5-tris(4-aminophenyl)benzene (TAPB) and 2,5-divinylterephthalaldehyde (Dva) as monomers, first crystallizes at room temperature, then recrystallizes at high temperature, and then uses meso-2,3-dimercaptosuccinic acid (DMSA) as a functional monomer to controllably prepare a cross-shrinkage COF nanocapsule adsorbent (C-R-COF@DMSA). This method not only achieves controllable morphology, but also greatly improves adsorption performance. The present invention has important economic value in the field of precious metal recovery, can effectively deal with the waste of precious metal resources and environmental pollution in electronic waste, and provides a new idea for designing low-cost high-performance adsorbents.

The invention provides a preparation method of a molecularly imprinted polymer. Compared with the prior art, the mesoporous carbon-coated nano ferroferric oxide prepared by the method is large in specific surface area, rich in pore volume and good in dispersity, compared with a traditional molecularly imprinted material, a thiophene imprinted material synthesized by taking the mesoporous carbon-coated nano ferroferric oxide as a matrix material greatly improves the adsorption capacity and the adsorption rate, and due to the coated magnetic nano ferroferric oxide, the adsorption capacity of the material is greatly improved. Rapid separation can be realized under an external magnetic field, the adsorbent is convenient to recycle, and the service life of the adsorbent is prolonged; in addition, the synthesized thiophene imprinting material can be applied to coking crude benzene with relatively high thiophene content, so that the sulfur content in the crude benzene is reduced, the quality of a benzene product is improved, and the income of the thiophene product is increased.

The invention relates to the technical field of nanofibers, in particular to a quaternized modified PACE-Cl nanofiber and a preparation method and application thereof.The preparation method comprises the steps that S1, PAN electrostatic spinning nanofiber is prepared, specifically, polyacrylonitrile, polyvinylpyrrolidone, carboxylated multi-walled carbon nanotubes and N, N-dimethylformamide are stirred for 6-12 h at the normal temperature, and then a uniform and transparent spinning solution is obtained; the preparation method comprises the following steps: preparing a PAN / PVP / MWCNT-CCOH spinning solution, putting the obtained spinning solution into a 10mL injector, spinning in an electrostatic spinning machine to obtain PAN / PVP / MWCNT-CCOH nanofibers, and putting the obtained nanofibers into hot water at 60-100 DEG C to remove PVP to obtain PAN / MWCNT-COOH nanofibers; s2, preparing nitrogen-rich modified PACE nanofibers: putting the PAN / MWCNT-COOH nanofibers prepared in the step S1 and an aqueous solution of polyethyleneimine into a high-pressure reaction kettle, so as to obtain the modified PACE nanofibers; and S3, preparing the quaternized PACE-Cl nano fiber. According to the quaternized PACE-Cl nanofiber disclosed by the invention, the surface of the prepared nanofiber is rich in positive charges, so that the selective enrichment and adsorption of AuCl4 <-> which is represented as negative charges in an aqueous solution are realized.

The invention relates to a continuous recovery method of a solvent in silicon microsphere production, and belongs to the technical field of silicon microsphere production. After the silicon microspheres are prepared, the filtrate is collected, the modified adsorbent is added for ultrasonic treatment, and then the semi-permeable membrane is used for separation, so that efficient recovery of the solvent is realized. In the general production process of silicon microspheres, a solvent can become steam to be volatilized in the drying step, so that the environment is polluted. The method not only can reduce the waste of the solvent, but also can reduce the production cost; through continuous recovery of the solvent, emission of harmful gas is remarkably reduced, and the method has important significance on environmental protection.

The application belongs to the technical field of biomass green high-value utilization, and more particularly relates to a traditional Chinese medicine stem biomass charcoal as well as a preparation method and application thereof. The traditional Chinese medicine stem-based porous carbon material with a columnar network porous structure is prepared through low eutectic solvent impregnation reflux pretreatment, high-temperature carbonization, acid washing, filtration and drying. The preparation method provided by the application can not only control the specific surface area of the traditional Chinese medicine stem-based porous carbon, but also retain N and S heteroatoms in the traditional Chinese medicine stem, and can also regulate the pore structure of the traditional Chinese medicine stem-based porous carbon. The obtained traditional Chinese medicine stem-based porous carbon is suitable for being used as an adsorption material for adsorbing and separating pollutants in water bodies, soil and other environments, and can also store a large amount of charges to improve the energy storage property of the material and be used for preparing electrochemical devices. The overall preparation method is low-carbon and environmentally friendly, the obtained biomass charcoal has a high specific surface area, and has good commercial application value.

The invention discloses a low-density lipoprotein adsorbent and a preparation method thereof, and relates to the technical field of blood purification. The preparation method comprises the following steps: adding a cross-linking agent with a disulfide bond in the synthesis process of polystyrene resin for reaction to prepare first adsorption resin containing the disulfide bond; reducing the disulfide bond in the first adsorption resin into sulfydryl by using a reducing agent to prepare sulfydryl-containing second adsorption resin; and grafting an organic acid monomer containing a carbon-carbon double bond to the second adsorption resin through a thiol-ene click reaction to prepare the low-density lipoprotein adsorbent. The invention aims to solve the problem that an existing low-density lipoprotein adsorbent cannot effectively and quickly remove low-density lipoprotein in the body of a patient.

The invention discloses a green, energy-saving and consumption-reducing device applied to a polyester polyol production process, and relates to the technical field of polyester production, the green, energy-saving and consumption-reducing device comprises a plurality of heat collection mechanisms, each heat collection mechanism comprises light gathering ball glass and a mounting shell, the light gathering ball glass is mounted at the top of the mounting shell, and the light gathering ball glass is mounted at the bottom of the mounting shell; the dynamic coherence assembly is installed in the installation shell, the sun position is tracked in real time under the cooperation of the heat collection following assembly, the dynamic coherence assembly and the coherence heat collection assembly, it can be ensured that the whole device can accurately track the sun day by day through an accurate sun position time control algorithm, full-angle azimuth tracking of a reflective mirror on a collecting lens is achieved, and the tracking efficiency is improved. According to the system, maximum reflection adjusting operation during light collection is ensured, maximum sunlight collection is achieved, then the position of the collecting lens is accurately controlled, the heat energy collection efficiency is improved, the production efficiency is effectively improved, energy consumption is reduced, and heat energy utilization is more efficient under cooperation of the variable control assembly.

The invention discloses a cesium extraction composite material and a preparation method and application thereof.The preparation method comprises the steps that tetrabutyl titanate and absolute ethyl alcohol are evenly mixed and stirred, and a solution A is prepared; dissolving cesium acetate, adding oxalic acid, heating and stirring to obtain a solution B; slowly adding the solution B into the solution A at a certain flow rate, uniformly stirring to obtain a precursor solution of cesium titanate, and adding concentrated hydrochloric acid to adjust the pH value for acid modification; slowly adding nano silicon dioxide into the precursor solution according to a certain loading capacity; performing ultrasonic treatment on the mixed solution, stirring in a water bath, and drying in a drying oven; and roasting the dried product in a muffle furnace to obtain the composite material. According to the invention, tetrabutyl titanate is used as a source of titanic acid, and the tetrabutyl titanate needs to be protonated in the reaction to change the space structure and charge distribution, so that the tetrabutyl titanate is matched with the size and charge distribution of cesium ions, and the adsorption capacity is improved. By loading the nano silicon dioxide, pores can be increased, and the influence of low adsorption rate caused by a compact layered structure is solved.

The invention relates to a method for removing organic matter impurities in wet metallurgy feed liquid. The method comprises a dynamic crystal filtration process and an advanced oxidation process, and the dynamic crystal filtration process is carried out in a dynamic crystal filtration device and comprises an adsorbent coating section, a filtration adsorption section and a backwashing section. According to the method, the dynamic crystal filtration process and the advanced oxidation process are combined, and efficient and deep removal of the organic matter impurities in the hydrometallurgy feed liquid is achieved.

The invention provides a preparation method, an application and a regeneration method of a reproducible phosphorus removal fast separation ball. The preparation method of the reproducible phosphorus removal rapid separation ball comprises the following steps: S1, modifying pelelith to obtain modified pelelith; s2, soaking the modified pelelith in a rare metal solution, adjusting the pH to 10.0-11.0 and the temperature to 60-70 DEG C, stirring and soaking for 20-30 hours, washing with deionized water until the pelelith is neutral, and drying to obtain negative lanthanum pelelith; and S3, loading the lanthanum-loaded pelelith into the porous suspension ball to obtain the phosphorus removal rapid separation ball. The prepared phosphorus removal rapid separation ball can effectively remove total phosphorus in biochemical effluent, the phosphorus removal adsorption filler capable of being regenerated and desorbed can be obtained in a simple mode, the filler can be repeatedly used and is high in mechanical strength, small in abrasion and easy to operate, generated precipitates and filtrate can be utilized, and the phosphorus removal rapid separation ball has excellent economic benefits.