82 results about "Inorganic ions" patented technology

The invention provides a degradation regeneration method of a waste reverse osmosis membrane, which comprises the following steps: cleaning the waste reverse osmosis membrane, fixing the waste reverse osmosis membrane in a flat state, and carrying out plasma treatment to obtain a degradation regeneration membrane. According to the regeneration method provided by the invention, the form of the polymer on the surface of the waste reverse osmosis membrane is regulated and controlled through the physical, chemical or physicochemical synergistic etching effect of the plasma, the waste membrane is converted into the nanofiltration membrane or the ultrafiltration membrane, meanwhile, compared with a commercial nanofiltration membrane or ultrafiltration membrane, the interception capacity of inorganic ions is improved, and in the treatment process, the treatment efficiency is improved. No chemical reagent is used, the process is simple, the treatment time is short, and the regeneration efficiency of the waste reverse osmosis membrane is greatly improved.

The invention relates to the technical field of concrete protective materials, and particularly discloses a cement concrete component surface protective paint, a preparation method thereof, a coating and a construction method of the coating. The primer taking organosilane as a core component, the intermediate paint taking water-borne epoxy resin as a core component and the finish paint taking a water-borne paint base material as a core component are adopted. By means of a three-layer structure composed of the primer, the intermediate paint and the finish paint, the protective paint can protect concrete from inside to outside in an all-around mode, the durability of the concrete is remarkably improved, and therefore lasting protection on the concrete is fully achieved, the defect that concrete corrosion is easily intensified by inorganic ions such as chloride ions is overcome, and the service life of the concrete is prolonged. And the corrosion of the concrete in a coast engineering environment is reduced.

The invention provides a method for separating and extracting bio-based succinic acid from fermentation liquor, which comprises the following steps: (1) enabling the fermentation liquor to sequentially pass through a ceramic membrane and a nanofiltration membrane, and decoloring to obtain bio-based succinic acid decolored liquor; (2) sequentially carrying out ion exchange impurity removal and concentration treatment on the bio-based succinic acid decoloring solution to obtain a bio-based succinic acid concentrated solution; and (3) carrying out multi-stage cooling crystallization on the bio-based succinic acid concentrated solution to obtain the bio-based succinic acid, the multi-stage cooling crystallization comprises first-stage crystallization, second-stage crystallization and third-stage crystallization which are carried out in sequence. Through the steps of integrated membrane filtration, decoloration, ion exchange, concentration, multi-stage crystallization and the like, thalli, proteins, pigments, inorganic ions and other impurities in fermentation liquor can be efficiently removed, so that a high-purity bio-based succinic acid product is obtained, meanwhile, the product yield is increased, and energy consumption and waste discharge are reduced.

The invention discloses an iron-cobalt spinel oxide, which is prepared by the following steps: with ferric salt and cobalt salt as raw materials, dissolving the ferric salt, the cobalt salt and sodium acetate in an ethanol aqueous solution to obtain a precursor solution, carrying out hydrothermal treatment on the precursor solution, and washing and drying a reaction product to obtain the iron-cobalt spinel oxide. The iron-cobalt spinel type oxide is stable in crystal structure, the leaching rate of metal ions is remarkably reduced due to existence of metal-oxygen bonds, the recycling rate is increased, and meanwhile the risk of secondary pollution of water is reduced. In the process of degrading nitrogen-containing organic wastewater by an advanced oxidation technology for generating sulfate free radicals based on peroxymonosulfate, the iron-cobalt spinel type oxide has good catalytic performance, and can basically complete degradation of multi-nitrogen organic pollutants in water; and the method has relatively strong capability of resisting interference of inorganic ions and organic matters, and has relatively great application potential in actual wastewater treatment. The invention also discloses a method for degrading the multi-nitrogen explosive wastewater by using the ferrocobalt spinel type oxide.

The invention belongs to the technical field of water treatment, and relates to an inorganic ion induced crystallization seed crystal self-circulation system and a method thereof, the inorganic ion induced crystallization seed crystal self-circulation system comprises an inorganic ion crystallizer, a microcrystal separation device, a seed crystal separation device and a seed crystal regeneration device. According to the invention, induced seed crystals after reaction can be divided into recycled seed crystals, regenerated seed crystals and collected seed crystals according to the particle size from small to large, the recycled seed crystals are fed into the inorganic ion crystallizer for recycling, and meanwhile, microcrystals and the regenerated seed crystals are received by the seed crystal regeneration device and treated, so that the yield of the microcrystals and the regenerated seed crystals is improved. Recovering the induced crystallization capability of the microcrystal and the regenerated seed crystal to obtain an induced seed crystal, feeding the induced seed crystal into an inorganic ion crystallizer for cyclic utilization, collecting the seed crystal, and dehydrating to realize resource utilization, so that the efficient and stable water treatment effect is obtained, the utilization efficiency of the induced seed crystal is improved, the cyclic utilization of the seed crystal is realized, and the cost is reduced. And further popularization and application of an induced crystallization water treatment technology in the field of complex water quality treatment are ensured.

The application belongs to the field of heavy metal water pollution treatment, and relates to a method for rapidly and efficiently oxidizing trivalent arsenic through enhanced electron transfer, which comprises multifunctional biochar preparation and efficient oxidation process design. The method uses sludge as a biochar precursor, obtains multifunctional biochar with strong alkalinity, high specific surface area and super electron conduction through high-temperature pyrolysis, directly introduces oxygen into an As(III) solution, adds the biochar into the system after the aeration is completed, and fully stirs. The method is simple, economically feasible, has extremely high oxidation efficiency, does not require additional chemical reagents, has no reagent residues, and does not require external light or electricity. The non-free radical oxidation path dominated by electron transfer and singlet oxygen is not easily affected by inorganic ions and humic acid in actual water bodies, has strong anti-interference ability, and has a wide application range. The application not only helps to enrich the catalytic oxidation theoretical system, but also greatly improves the practical feasibility of biochar application, and has good environmental and economic benefits.

The invention provides biomass-sourced succinic acid as well as a preparation method and application thereof. The biomass-sourced succinic acid comprises succinic acid, iron ions, chloride ions, sulfate ions and phosphate ions. The mass content of iron ions in the succinic acid derived from the biomass is 0.01-5 ppm, the mass content of chloride ions in the succinic acid derived from the biomass is 0.1-15 ppm, and the mass content of sulfate ions in the succinic acid derived from the biomass is 0.1-100 ppm; the mass content of the phosphate ions is 0.1 to 200 ppm. The biomass-derived succinic acid provided by the invention contains inorganic ions with a specific content, the succinic acid is high in purity and low in inorganic salt content, and the inorganic salt content is obviously lower than the index requirement of GB / T34686-2017 on superior succinic acid. The biomass-derived succinic acid is used for preparing the PBS resin, so that the PBS resin has higher mechanical properties and aging resistance.

The application discloses a preparation method of a cement-based material surface calcium carbonate crystalline layer, and comprises the following steps: step one, mixing cement and water, pouring into a mold for curing, demolding and curing to obtain a cement test block which is not completely hydrated; step two, adding sodium chloride, sodium sulfate, potassium chloride and sodium bicarbonate into deionized water to prepare an inorganic ion solution, and the concentration of sodium bicarbonate is greater than or equal to 0.20 g / kg; step three, soaking the cement test block which is not completely hydrated obtained in step one into the inorganic ion solution prepared in step two, rinsing the surface after taking out, terminating hydration, vacuum drying, and obtaining a cement test block surface calcium carbonate crystalline layer. The prepared crystalline layer is uniform and dense, the operation is simple, the surface mineralization can be carried out by using bicarbonate ions in the inorganic ion solution, the penetration of chloride ions and the potential negative effects accompanied by the penetration of chloride ions are avoided, and the cement test block can be further modified by silane to obtain high hydrophobicity and resist moisture infiltration.

The present invention addresses the problem of providing a novel latent polymerization initiator which is excellent in terms of storage stability and enables thermal curing of a resin composition at a low temperature. The present invention also addresses the problem of providing a resin composition and an adhesive or a sealing material, which are excellent in terms of storage stability and can be thermally cured at a low temperature.　The present invention provides: a thermal latent polymerization initiator in which a thermal radical initiator is supported by inorganic ion exchanger particles; a resin composition which contains (A) a radically polymerizable compound and (B) the thermal latent polymerization initiator; and an adhesive or a sealing material which contains the resin composition.

The invention discloses a preparation method of a calcium-magnesium mineral concrete artificial coral reef, which comprises the following steps: (1) crushing and sieving natural calcium-magnesium-containing minerals to obtain coarse aggregate and fine aggregate; (2) weighing and mixing the ordinary Portland cement, the admixture, the coarse aggregate and the fine aggregate in proportion; (3) adding water by adopting a secondary water adding method, and stirring until plastic concrete is obtained; and (4) filling the plastic concrete into a mold for solidification forming, and then carrying out hydration curing. Through the slow release process of calcium-magnesium minerals, necessary inorganic ion signals are provided, coral larvae are attracted to adhere, the calcification rate is increased, the coral growth rate is effectively increased, and the method is suitable for ecological restoration engineering of tropical coral reef areas.

The invention discloses a sour and spicy sauce containing lyophilized powder of a hard-shell clam ultrahigh-pressure treating fluid and a preparation method of the sour and spicy sauce, and belongs to the field of food processing. The hard-shell clam ultrahigh-pressure treating fluid desalted freeze-dried powder (MFP3-D) is freeze-dried powder prepared from hard-shell clam ultrahigh-pressure treating fluid through desalting, concentrating, freeze-drying and the like, contains 16 amino acids, 3 nucleotides, 2 organic acids, 1 organic alkali and 4 inorganic ions, is strong in salty and delicious taste, can be used as an edible salt substitute, and is added into the sour and hot sauce to replace 50% of edible salt, so that the sour and hot sauce is rich in flavor and rich in taste. The prepared sour and spicy sauce containing the lyophilized powder of the hard-shell clam ultrahigh-pressure treatment liquid not only retains the salty taste of the sour and spicy sauce, but also realizes the effect of reducing the salt but not reducing the salty taste, and also increases the delicate flavor of the sour and spicy sauce.

The application discloses a method for synthesizing 3-nitro pyrazole by catalysis of metal porphyrin, and belongs to the technical field of organic synthesis and biomimetic catalysis. The application solves the problem that although the 3-nitro pyrazole synthesized by the oxidation method has a certain yield, the time cost and the post-processing cost cannot be saved. The application establishes a green catalytic oxidation system, uses 3-amino pyrazole as raw material, uses hydrogen peroxide or tert-butyl hydroperoxide as an oxidant, avoids the fact that the waste liquid contains various inorganic ions, solves the problem of high waste liquid treatment cost, uses metal porphyrin as a catalyst, improves the oxidation capacity of the oxidant, has the potential of efficiently catalyzing the oxidation of 3-amino pyrazole, and the yield reaches 50% in 0.5 h at room temperature. The reaction condition is mild, the time is short, high temperature and high pressure are not needed, the process is safe and green, and the process is easy to industrialize. The application has important significance for the popularization and application of 3-nitro pyrazole.

Compositions and methods for barium collection. Compositions for barium collection include a magnetic metal oxide core and a metal organic framework material. The metal organic framework material is coated on a surface of the core. The metal organic framework material includes a transition metal, an organic ligand chemically bonded to the transition metal, and an inorganic ion. Methods for barium collection include mixing a composition for barium collection with a water source containing barium and adsorbing an amount of barium from the water source to produce a barium-adsorbed composition and a resultant solution. Methods for barium collection also include separating barium from produced water using a magnetic force.

The present disclosure relates generally to cancer immunotherapies and, more particularly, to a polymer matrix delivery system for delivering a cancer adjuvant, especially for enhanced immunotherapy. More particularly, the disclosure relates to a polymer matrix delivery system for delivering a cancer adjuvant, comprising a biodegradable polymer; a cancer adjuvant; optionally, an immunomodulatory inorganic ion; and, a bulking agent, wherein the bulking agent is not a protein. An implant comprising the polymer matrix delivery system is also provided. A method of treating a solid tumor or the potential recurrence of a solid tumor comprising injecting the implant into the solid tumor or at a site of surgical resection of a solid tumor is also described.

To provide a method and apparatus for treating water containing inorganic ions, capable of preventing an occurrence of pipe wear and pump blockages, reducing a frequency of disassembly, cleaning work and replacement of sludge return channels and accessories, and thereby stably treating water containing inorganic ions over the long term to produce high density sludge with excellent concentration and dehydration properties.SOLUTION: In a process to react treated inorganic ions in raw water with an insoluble matter generator in modified sludge to produce insoluble matter in a first reaction tank 1, react it with an inorganic coagulant in a second reaction tank 2, add a polymer coagulant in a coagulation tank 3 to aggregate, separate solid-liquid in a solid-liquid separation tank 4, return part of the separated sludge to a sludge reforming tank 5, and supply the returned sludge mixed with the insoluble matter generator to the first reaction tank 1, the flow velocity of the returned sludge in the sludge return channel L7 is controlled to be 1.2 to 1.5 m / sec, and the solids concentration of the returned sludge is controlled to be in the set area including the area selected from within 14 to 28% by weight.SELECTED DRAWING: Figure 1

The application belongs to the technical field of catalytic materials, and relates to preparation of a biomass-based nanometer micro-interface catalytic material activated by a microdroplet method and application of the biomass-based nanometer micro-interface catalytic material in the field of water treatment. The application comprises preparation of a biomass-based nanometer micro-interface catalytic material activated by a microdroplet method, and a piezoelectric catalyst base adopts a biomass fiber with a tubular structure, after surface modification, inorganic ions are embedded in the pipeline, and under the condition of magnetic induction rapid heating, rapid carbonization and crushing are carried out to obtain a catalytic material with super-high surface area and interface energy. The material can quickly migrate at the interface of the microdroplet through hydrophilic and hydrophobic effects, increase the surface tension and interface energy, thereby improving the catalytic performance of the microdroplet activation method, generating high-activity free radicals, and realizing rapid degradation of organic matters in water.

The application discloses an intensive cultivation method of rare medicinal materials with plant allelopathy, and relates to the technical field of Chinese medicinal material cultivation, and comprises a radicle safety domain, an outer edge protection domain and a cultivation unit with a directional selection and penetration interface between the two domains, wherein the radicle safety domain is filled with a germination and cultivation substrate, and the outer edge protection domain is filled with a protection substrate and is configured with an allelopathy source plant component; seeds are placed in the radicle safety domain and seedling raising management is performed, a net outward seepage component is formed by irrigation and water replenishment within a sensitive window from seedling emergence to slow seedling, so that inhibitory small molecules outward migrate at the directional selection and penetration interface and are intercepted and inactivated on the outer edge side, while water and inorganic ion supplies are maintained; the outer edge grass and bacteria inhibiting effect is continuously maintained in the early stage of planting and flux maintenance is implemented.

The application discloses a kind of high-efficiency carbon-based catalytic electrode and its preparation method and application, electrode preparation method includes the following steps: carbon nanotube, polyvinylpyrrolidone and copper chloride are dissolved in organic solvent, stirring is made to be mixed evenly and heated to make solvent volatilize, then the mixture is heat-treated in nitrogen atmosphere by high-temperature pyrolysis method, obtain carbon-based single-atom catalyst precursor, then it is loaded on carbon felt using adhesive, obtain high-efficiency carbon-based catalytic electrode.The prepared electrode is used for electrochemical reaction and can efficiently remove dye, phenolic, antibiotic and other refractory organic pollutants in water, and the reaction mechanism is electron transfer path without additional free radicals.Especially, when the carbon-based electrode is used to remove organic pollutants in water, the removal effect is less affected by coexisting inorganic ions in water, easy to separate and recover, and the metal ion leaching is less, which shows excellent catalytic activity and stability.

The invention belongs to the field of waste resource utilization, and relates to a method for preparing and producing a liquid amino acid-peptide water-soluble fertilizer by utilizing waste animal protein. Neutral protease and alkaline protease are adopted for compound enzymolysis of animal protein, the protein transfer rate is greatly increased, and the protein transfer rate reaches the maximum value of 76.42%. Then, aminopeptidase is utilized for deep hydrolysis, and finally, inorganic ions are chelated to prepare the amino acid-peptide water-soluble fertilizer. The content of dissolved peptide in the amino acid-peptide water-soluble fertilizer prepared by the invention can reach 116.26 g / L, and the total amount of free amino acid can reach 8235 mg / L. The proportion of small molecule peptide and amino acid is high, and the proportion of oligopeptide with the molecular weight of 180-500 Da can reach 62.1%; and the proportion of components less than 180Da can reach 12.9%. The water-soluble fertilizer prepared by the invention can promote the growth of spinach and enhance the enzyme activity of soil, and is more beneficial to the best balance of spinach absorption and soil improvement compared with a long-peptide peptide fertilizer.

The invention belongs to the technical field of sewage treatment, and provides a bimetallic Bio-MOF material as well as a preparation method and application thereof. The preparation method comprises the following steps: mixing adenine and N, N-dimethylformamide to obtain an adenine solution; mixing cobalt acetate, ferric trichloride hexahydrate and N, N-dimethylformamide to obtain a metal ion solution; and mixing the adenine solution and the metal ion solution for solvothermal reaction. The bimetal Bio-MOF material disclosed by the invention is high in porosity and rich in active sites, and Fe and Co form effective coordination with an organic ligand, so that the process of activating peroxymonosulfate is accelerated, and degradation of tetracycline antibiotics and adsorption of PO4 < 3-> are accelerated; inorganic ions such as antibiotics and PO4 < 3-> in the sewage can be synchronously removed; the leaching amount of metal ions is still lower than the standard concentration after repeated use for five times, and the capacity of adsorbing PO4 < 3-> and degrading tetracycline antibiotics is relatively good.

The present application relates to a kind of patterning material, patterning composition and pattern forming method.The patterning material of the present application has metal oxygen cluster skeleton, radiation-sensitive organic ligand and second ligand, the radiation-sensitive organic ligand is coordinated with metal M via coordination atom, the coordination atom is at least one selected from oxygen atom, sulfur atom, selenium atom, nitrogen atom, phosphorus atom, and the radiation-sensitive organic ligand is monodentate ligand or is two or more ligands;The second ligand is inorganic ion or coordination group.

The invention discloses a preparation method of an amine-modified oligomer cross-linked epoxy resin material. The preparation method comprises the following steps: (1) preparing a colloid of triethylamine-terminated inorganic ion oligomer and ethanol by adopting a liquid-phase acid-base neutralization method; (2) dispersing the triethylamine-terminated inorganic ion oligomer obtained in the step (1) and ethanol colloid in a liquid amine curing agent, and heating to prepare an amine-modified inorganic ion oligomer / amine curing agent solution; and (3) mixing the amine modified inorganic ion oligomer / amine curing agent solution with epoxy resin, and curing to obtain the epoxy resin composite material. A calcium phosphate oligomer is subjected to amino functional modification, so that the calcium phosphate oligomer can directly participate in a cross-linking reaction of epoxy resin, a hybrid material with a molecular-level organic-inorganic interface is formed, the mechanical strength and toughness of a resin material are enhanced, and meanwhile, the electrical insulation property is improved; and wide application prospects are shown in the fields of high-voltage insulation towers, electrical equipment, power electronic packaging and the like.

The invention relates to the technical field of building materials, in particular to a negative ion energy healthy decorative plate and a processing technology thereof. The negative ion energy healthy decorative plate comprises a forming base material and a silver-containing functional composite ion powder additive, the silver-containing functional composite ion powder additive is formed by compounding first inorganic ion powder and first biological ion powder, and the first inorganic ion powder has the function of exciting and releasing negative oxygen ions and is of a natural layered structure or is subjected to intercalation treatment; the first biological ion powder has the function of exciting and releasing negative oxygen ions and has the capacity of reducing silver ions into silver particles, and the silver particles contained in the silver-containing functional composite ion powder additive are generated by reducing the first biological ion powder into interlayer gaps of the first inorganic ion powder in situ. In the processing technology, the process slurry prepared from the antibacterial silver particles and the product are used as essential raw materials for subsequent decorative plate burdening, continuity and industrialization of preparation of the antibacterial silver particles and burdening and processing of the decorative plate are achieved for the first time, and the silver particles are dispersed more uniformly.

A resin composition which contains a thermosetting resin, an inorganic filler and an inorganic ion scavenger, and wherein the inorganic filler contains a first particle group having a peak in the range of 0.1 [mu] m to 15 [mu] m (inclusive) on a particle size distribution curve and a second particle group having a peak in the range of more than 15 [mu] m to 300 [mu] m (inclusive) on a particle size distribution curve, the content of the first particle group is from 1% by volume to 60% by volume (inclusive) with respect to the total content of the first particle group and the second particle group, and the content of the inorganic ion scavenger is from 0.1% by mass to 50% by mass with respect to the total amount of the thermosetting resin.

The invention belongs to the technical field of lithium battery positive electrode material preparation, and discloses a preparation method of a composite solid electrolyte coated modified positive electrode material capable of reducing surface residual lithium, and the preparation method comprises the following steps: mixing and stirring a positive electrode material matrix, a compound HO-R-OH and dichloromethane, and introducing phosgene for reaction, and then stirring and heating until the dichloromethane is completely volatilized to obtain the product. According to the method, synthesis and coating of an organic polymer, reduction and in-situ conversion of residual lithium on the surface and synthesis and coating of an inorganic ion conductor are simultaneously realized only through a one-pot method, and the complex chemical reaction is completed through simple synthesis steps, so that the generation process is greatly simplified, and the raw material conversion rate is increased. And by reducing residual lithium on the surface of the positive electrode material, the interface side reaction is effectively inhibited, the interface ion transmission is improved, the internal cracks of the material are inhibited, and the electrochemical performance of the positive electrode material can be comprehensively improved through the synergistic effect of the composite coating layer.

The application belongs to the technical field of soil improvement, and relates to a kind of acid-resistant and aluminum-controlling micro-nano composite mineral conditioner and a preparation method thereof, specifically comprising the following steps: step (1) crushing floatstone, wollastonite, serpentine, oyster shell and phosphorite; step (2) preparing micro-nano mineral material; step (3) preparing humic acid modified phosphorite; step (4) mixing and granulating the micro-nano mineral material and the humic acid modified phosphorite to obtain component A; step (5) mixing spruce extract and betaine to obtain conditioner component B; and step (6) fully mixing component B with component A at a mass ratio of 0.01% to 0.10% to obtain the conditioner. The conditioner prepared by the application can stabilize soil structure, reduce the activity of aluminum, manganese and iron ions, promote the combination of organic small molecules and inorganic ions, prevent the decomposition of clay minerals, and reduce soil heavy metals and active aluminum. The acid-resistant and aluminum-controlling micro-nano composite mineral conditioner with high activity and dispersity can efficiently improve the physicochemical properties of acidic soil and promote crop growth.

The application provides a nanocomposite, a nanocomposite phase material and a preparation method and application thereof, and the preparation method of the nanocomposite comprises the following steps: (1) mixing and reacting iron calcium phosphate ion oligomers and a polyvinyl alcohol solution to obtain a composite glue; and (2) mixing and reacting the composite glue obtained in the step (1) with a nanosheet dispersion solution to form a nanocomposite. The iron calcium phosphate ion oligomers and the polyvinyl alcohol are introduced into the nanosheet interlayer, in the evaporation self-assembly process, the ion oligomers are in-situ inorganic ion polymerization under the regulation of the polyvinyl alcohol molecular chain, an organic-inorganic interpenetrating homogeneous network is formed through hydrogen bond and coordination bond interaction in the nanosheet interlayer, and thus a firm 'organic-inorganic homogeneous network' structure is constructed between adjacent nanosheets. The nanocomposite prepared by the method has high tensile strength and toughness.

Methods, systems and devices for lowering a concentration of a PFAS in a solution including exposing a treatment solution to a UV light source from one or more lamps in a continuous reactor, the treatment solution comprising a PFAS, an inorganic ion, and having a pH of about 8 or more, and flowing the treatment solution through the continuous reactor at a flow rate of equal to or greater than 18.9 litres per minute (5 gallons per minute) while exposing the treatment solution to the UV light. The treatment solution to UV light in the continuous reactor results in partially or fully defluorinating about 80% or more of the PFAS in the treatment solution.

The invention relates to preparation and application of a water-soluble hypochlorous acid fluorescent probe. The structural formula of the probe is shown in the specification. The invention provides a preparation method for synthesizing the fluorescent probe by taking benzoindole and xanthene as raw materials. The fluorescent probe is a hypochlorous acid fluorescent probe with high sensitivity, high selectivity and short response time; firstly, the fluorescent probe shows response to hypochlorous acid in a range of 1.0 mu M to 50 mu M, and has relatively good sensitivity; secondly, the fluorescent probe is not influenced by other inorganic ions, active oxygen, active sulfur and biological mercaptan, and only shows good selectivity to hypochlorous acid; moreover, when the pH value is 7.0-9.0, the fluorescent probe has good response to hypochlorous acid, and hypochlorous acid can be detected under physiological conditions; in addition, the fluorescent probe can be applied to detection of the hypochlorous acid content in an actual water sample.

The present application relates to a kind of crown ether-inorganic ion modified adsorption material and its preparation method and application, belong to heavy metal wastewater treatment technical field.The preparation method includes: the ion exchange of mixing metal cation salt solution and adsorption matrix material is carried out after drying treatment, and ion exchange modified sample is obtained;The ion exchange modified sample is immersed in the organic solvent containing crown ether, and crown ether-inorganic ion modified adsorption material is obtained.The preparation method provided by the present application has the advantages of mild reaction condition, simple process, low equipment investment and operating cost etc..At the same time, the crown ether-inorganic ion modified adsorption material provided by the present application can efficiently, quickly and selectively adsorb thallium ions in wastewater, to achieve the purpose of purifying water quality.