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29 results about "Chlorite" patented technology

The chlorite ion, or chlorine dioxide anion, is the halite with the chemical formula of ClO⁻₂. A chlorite (compound) is a compound that contains this group, with chlorine in the oxidation state of +3. Chlorites are also known as salts of chlorous acid.

Method for evaluating contribution of each component to resistivity of shale oil reservoir at high temperature and high pressure

A method for evaluating contribution of each component to shale oil reservoir resistivity at high temperature and high pressure is applied to the field of oil exploration and development. The method comprises the following steps: (1) analyzing the volume percentage of each clay mineral, the pore water content and the mineralization degree of the shale oil reservoir pressure-maintaining closed core; (2) when the fluid pressure is greater than 23MPa, measuring the resistivity of the pressure-maintaining closed rock core at each temperature point; (3) carrying out water balance treatment on pure clay minerals, namely kaolinite, montmorillonite, illite and chlorite, and measuring the resistivity at each temperature point when the fluid pressure is greater than 23MPa; (4) when the fluid pressure is greater than 23MPa, measuring the resistivity of each temperature point of the solution consistent with the mineralization degree of the pore water; and (5) constructing a resistivity evaluation model, and evaluating the contribution of each component to the resistivity of the shale oil reservoir under the condition of high temperature pressure.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Chlorite growth process reconstruction method

A chlorite growth process reconstruction method relates to the technical field of geological exploration, and mainly comprises the following steps: collecting well drilling core sample analysis related data, and preparing rock slices; analyzing the relationship between different deposition periods and environmental conditions and chlorite generation and growth; representing the composition and content of chlorite and other minerals in the rock slice; establishing the relationship between chlorite components and diagenesis evolution stages; collecting rock core sample diagenesis environment sediment samples; the method comprises the following steps: evaluating the influence of organic matters in sediments on chlorite formation, performing multi-scale coupling numerical simulation modeling, establishing a chlorite growth model, and reconstructing a chlorite growth process by using the chlorite growth model; according to the method, core sample analysis, sedimentary environment parameters and multi-scale coupling numerical simulation are comprehensively combined, so that growth evolution of chlorite in each diagenesis stage is clearly reconstructed, and a more accurate and reliable chlorite growth process is obtained.
Owner:CHENGDU UNIVERSITY OF TECHNOLOGY

CO2 corrosion resistant high thermal conductivity material for cementing cement and preparation method thereof

The present application relates to geothermal resource development technical field, specifically to a kind of high heat-conducting material resistant to CO2 corrosion for cementing and its preparation method, the material includes 45wt. 70wt. 20wt. 40wt. 10wt. 15wt. By weight percentage Heat-conducting material, corrosion-resistant material and toughening material, heat-conducting material is formed by heat-conducting reinforced material and reinforcing material by mass ratio (8-12):(6-9) Mixed, the corrosion-resistant material is formed by nano-molybdenum trioxide, chlorite powder and acidified serpentine powder by mass ratio (9-12):(4-6):(4-5) Mixed.The high heat-conducting material resistant to CO2 corrosion for cementing of the present application has the properties of high temperature resistance, toughening, gas channeling prevention, corrosion resistance and heat conduction by mutual cooperation and mutual cooperation between components.
Owner:SOUTHWEST PETROLEUM UNIV +1

Method for determining producing area of sandstone

The embodiment of the invention relates to the field of testing or analyzing materials by means of measuring chemical or physical properties of the materials, in particular to a method for determining the producing area of sandstone, which comprises the following steps: acquiring a sandstone sample to be determined and a control sample with a known producing area, determining illite, montmorillonite, chlorite, kaolinite, chlorite / montmorillonite mixed layer and illite / montmorillonite mixed layer content of the sandstone sample and the control sample; determining chemical weathering indexes of the sandstone sample and the control sample; determining the ratio of the content of SiO2 to the content of Al2O3 in the sandstone sample and the control sample; determining a classification function related to the producing area; and determining the production place of the sandstone sample according to the classification function, the chemical weathering indexes of the control sample and the sandstone sample, the ratio of the content of SiO2 to the content of Al2O3, and the content of illite, montmorillonite, chlorite, kaolinite, a chlorite / montmorillonite mixed layer and an illite / montmorillonite mixed layer. The method provided by the embodiment of the invention can effectively and accurately determine the producing area of the sandstone sample of which the producing area is to be determined.
Owner:BEIJING RES INST OF URANIUM GEOLOGY

Method for calculating formation temperature of mineral based on chlorite spectrum

PendingUS20260043687A1Radiation pyrometryMaterial analysis by optical meansElectron probe microanalysisFt ir spectra
A method for calculating a formation temperature of a mineral based on a chlorite spectrum includes: S1, recording characteristic data of each chlorite sample; S2, acquiring a Fe—OH wavelength value of each chlorite sample; S3, calculating a formation temperature of and contents of major elements in each chlorite sample; and S4, according to the formation temperature and major element contents obtained in the step S3, determining a formation environment and a category of a corresponding chlorite sample. The calculation of a formation temperature of a chlorite mineral is based on characteristic wavelength parameters acquired by field short-wave infrared spectroscopy instead of traditional calculation based on major element data acquired by laboratory electron microprobe analysis (EMPA), which facilitates the rapid identification of a formation environment and an alteration zone of a mineral and greatly improves a working efficiency of mineral exploration.
Owner:TIBET JULONG COPPER CO LTD +1

Method for determining producing area of sandstone

The embodiment of the invention relates to the field of testing or analyzing materials by means of measuring chemical or physical properties of the materials, in particular to a method for determining the producing area of sandstone, which comprises the following steps: acquiring a sandstone sample of which the producing area is to be determined and a control sample of which the producing area is known, determining the content of illite, montmorillonite, chlorite, kaolinite, chlorite / montmorillonite mixed layer and illite / montmorillonite mixed layer in the sandstone sample and the control sample; determining chemical weathering indexes of the sandstone sample and the control sample; determining the ratio of the SiO2 content to the Al2O3 content of the sandstone sample and the control sample; determining a production place distribution rule of the control sample; and determining the production place of the sandstone sample according to the chemical weathering indexes of the control sample and the sandstone sample, the ratio of the SiO2 content to the Al2O3 content, the illite content, the montmorillonite content, the chlorite content, the kaolinite content, the chlorite / montmorillonite mixed layer content and the illite / montmorillonite mixed layer content. The method provided by the embodiment of the invention can effectively and accurately determine the producing area of the sandstone sample of which the producing area is to be determined.
Owner:BEIJING RES INST OF URANIUM GEOLOGY

Technological method for preparing sintered pavement brick through low-temperature slow firing

The invention discloses a process method for preparing sintered pavement bricks by low-temperature slow firing, which is characterized in that mill tailings and clay auxiliary materials are used as main raw materials, the main components of the tailings are quartz and feldspar, the content of the feldspar is not less than 30%, and the auxiliary materials contain at least one clay mineral of kaolinite, chlorite and montmorillonite; mixing the tailings and auxiliary materials according to the weight ratio of (6: 4)-(9: 1), and adding water and a fluxing agent to obtain a mixture, wherein the fluxing agent is selected from industrial solid wastes such as boric sludge, lithium slag or spodumene tailings; pressing and forming the mixture to obtain a green body, drying the green body to constant weight, finally sintering by adopting a low-temperature slow sintering process, controlling the sintering temperature at 900-1000 DEG C, and cooling along with a furnace after heating and heat preservation stages to obtain a finished product. According to the invention, industrial solid waste is used as a raw material, and the sintered pavement brick with the compressive strength reaching the standard is prepared while the energy consumption is reduced through an optimized raw material ratio and a low-temperature sintering process, so that the unification of solid waste recycling, energy conservation and consumption reduction and high performance of a product is realized.
Owner:JIXI CITY PU CHENG GRAPHITE CO LTD +1

Flame resistant materials for electric vehicle battery applications

A fire protection coating and a fire barrier coated article are provided that comprise an inorganic binder and at least one inorganic filler, wherein the inorganic binder is selected from potassium silicate, sodium silicate, or a combination thereof, and wherein the at least one inorganic filler is selected from kaolin clay, talc, mica, mullite, phlogopite, muscovite montmorillonite, smectite, bentonite, illite, chlorite, sepiolite, attapulgite, halloysite, vermiculite, laponite, rectorite, perlite, and combinations thereof. The fire barrier article comprises flame resistant substrate layer having a first major surface and a second major surface, and a fire protection coating disposed on the first major surface of the flame resistant substrate layer.
Owner:3M INNOVATIVE PROPERTIES CO

Silver-copper ferrite-iron based metal-organic framework composite material, preparation method and application thereof

The application provides a preparation method of a silver-copper ferrite-iron-based metal organic framework composite material, and comprises the following steps: step S1, a copper ferrite material is prepared by improving a pH value and a hydrothermal temperature and by adding different additives through a modified solvothermal method; step S2, an iron-based metal organic framework material is prepared by improving a pH value and stirring conditions at room temperature through a sol-gel method; step S3, a heterostructure is formed by combining the copper ferrite material and the iron-based metal organic framework material through an ultrasonic method, so that a copper ferrite-iron-based metal organic framework composite material is obtained; and step S4, a silver quantum dot is photo-deposited on the surface of the copper ferrite-iron-based metal organic framework composite material through a photo-deposition method, so that a silver-copper ferrite-iron-based metal organic framework composite material is prepared. The silver-copper ferrite-iron-based metal organic framework composite material prepared by the application can be used for removing oxygen-containing acid salt pollutants in drinking water, such as nitrate, bromate and chlorite, and has a wide application prospect.
Owner:TONGJI UNIV

Wood ash black glaze and preparation method thereof

The application discloses grass-wood-ash black glaze and a preparation method thereof, and relates to the technical field of glaze preparation. The grass-wood-ash black glaze is prepared from the following raw materials in parts by weight: 50-60 parts of silicon dioxide, 9-12 parts of aluminum oxide, 7-10 parts of calcium oxide, 1-3 parts of magnesium oxide, 4-6 parts of diiron trioxide, 2-6 parts of potassium oxide, 3-8 parts of fluorcarbonate, 5-10 parts of lithium mica, 12-15 parts of quartz stone, 2-4 parts of potassium feldspar, 5-8 parts of plagioclase, 7-10 parts of calcite, 30-35 parts of dolomite, 20-25 parts of illite, 6-9 parts of illite-smectite mixed layer, 5-8 parts of chlorite, 3-5 parts of kaolinite and 10-20 parts of grass-wood-ash. The glaze surface of the grass-wood-ash black glaze has a unique artistic effect of blue-violet kiln-change flow lines on a dark green base, has the advantages of high color saturation, low sintering temperature, unique artistic effect and the like, and has good environmental protection and antibacterial properties.
Owner:NORTHWEST NORMAL UNIVERSITY

A method for producing chlorine dioxide gas

ActiveCN117383516BChlorine dioxideSpontaneous combustionChlorine dioxide
This invention provides a method for preparing chlorine dioxide gas, belonging to the technical field of disinfectant preparation. The method involves adding an acidic solution and / or sodium persulfate solution to a solid preparation containing chlorite, conducting a redox reaction to obtain chlorine dioxide gas. The addition rate of the acidic solution and / or sodium persulfate solution is ≤0.8 mL / min; the solid-liquid ratio of the solid preparation containing chlorite to the acidic solution and / or sodium persulfate solution is 4–6 g: 8–15 mL. This invention controls the generation rate of chlorine dioxide gas by controlling the quantitative and rate-controlled liquid addition, avoiding spontaneous combustion caused by excessively high chlorine dioxide concentrations. Simultaneously, it maintains an excess solid state in the reaction system, reducing the dissolution of chlorine dioxide gas and improving the preparation efficiency of chlorine dioxide gas.
Owner:袁建平

Method for rapidly extracting chlorite minerals by using 02D data of resource I

The invention belongs to the technical field of hyperspectral remote sensing, and relates to a method for rapidly extracting chlorite minerals by using 02D data of resource I. The method comprises the following steps: step 1, carrying out atmospheric correction and ortho-rectification on the 02D data of the resource I; 2, calculating a single-band mean value image of a first spectral absorption valley of the chlorite altered mineral; 3, calculating a single-band mean value image of a second spectral absorption valley of the chlorite altered mineral; 4, calculating a single-band mean value image of a first spectral reflection peak of the chlorite altered mineral; 5, calculating a single-band mean value image of a second spectral reflection peak of the chlorite altered mineral; 6, calculating chlorite altered mineral single-band images for multiple times by adjusting floating parameters, and storing the chlorite altered mineral single-band images with relatively good extraction effects; and 7, determining a chlorite mineral distribution range by using a density segmentation method, and outputting vector elements. According to the method, the chlorite mineral extraction speed and the chlorite mineral extraction accuracy are improved.
Owner:BEIJING RES INST OF URANIUM GEOLOGY

Container for generating stabilized chlorine dioxide aqueous solution

To improve operability and convenience. [Solution] The inner container 11, measured in an atmosphere of 20°C and 90% relative humidity according to JIS Z 0208-1976, has a moisture permeability of 1.5 g / m² at a thickness of 25 μm. 2 The oxygen gas permeability at a thickness of 25 μm was measured at a temperature of 20°C and relative humidity of 65% in an atmosphere based on JIS K 7126 (isobaric method) and was 500 (cm³). 3 / m 2 The outer container 12 is made of a synthetic resin material with a pH of 24h·atm or higher, and the synthetic resin material forming the inner container contains a soluble basic component. The oxygen gas permeability of the outer container 12 at a thickness of 25 μm was measured at a temperature of 20°C and a relative humidity of 65% based on JIS K 7126 (isobaric method) and was 80 (cm³). 3 / m 2 It is made of a synthetic resin material with a humidity of 24h·atm or less, and a chlorine dioxide gas generator 13 containing metal chlorite, an activator, and silicon dioxide is provided between the inner container and the outer container.
Owner:YOSHINO KOGYOSHO CO LTD

Method for producing chlorine dioxide gas

The present invention addresses the problem of providing a method for rapidly generating chlorine dioxide gas at a desired time while maintaining the temperature during a reaction at a low temperature. Provided is a method for producing chlorine dioxide gas, comprising a step of reacting a chlorite salt, an amino acid, and an aldehyde compound in a solvent in a container under acidic conditions.
Owner:TAIKO PHARMA

Storage box and spraying assembly

ActiveCN223543217USingle-unit apparatusSpray bottleChlorite
The material storage box comprises a first box body assembly and a second box body assembly which are assembled into a box body, and the first box body assembly and / or the second box body assembly are / is provided with holes for liquid to enter and exit. And a fastening assembly is arranged on the storage box and is used for keeping the first box body assembly and the second box body assembly in an assembled state. According to the material storage box, the inner cavity can be used for storing solid powder small particles, and after the solid powder small particles are put into liquid, the liquid can enter the material storage box through the holes. According to the storage box capable of being used in the spray bottle and the spray assembly, weak acid liquid can be contained in the spray bottle, salts such as chlorite can be placed in the storage box, when the storage box is used, the storage box is hung on a suction pipe on the spray assembly and then placed into the spray bottle, powder-liquid reaction can be achieved, and then the storage box can be used after being sprayed. And the storage box adopts a unique structure and can be repeatedly used.
Owner:WUKONG (NINGBO) PURIFICATION TECHNOLOGY CO LTD

A method for simultaneously removing arsenic and chlorine from waste acid based on the sodium copper chloroarseniole mineral

PendingCN122324961ASodium arseniteChlorite
This invention discloses a method for the simultaneous removal of arsenic and chlorine from waste acid based on sodium arsenite minerals, belonging to the field of wastewater treatment and resource recovery technology. The method includes: adding an oxidant to the waste acid solution; supplementing copper, sodium, calcium, and chlorine sources according to the stoichiometric ratio of sodium arsenite (NaCaCu₅(AsO₄)₄Cl·5H₂O); conducting a water bath heating reaction under stirring conditions; adjusting the pH of the solution; and inducing Na₂O. + Ca 2+ In situ, sodium arsenate precipitate (sodium arsenate chlorite) is formed by the coordination precipitation reaction of Cu²⁺, As(V), and Cl⁻. After solid-liquid separation, washing, and drying, the sodium arsenate chlorite mineral is obtained. This invention utilizes the coexistence of arsenic and chlorine in pollutants. By adjusting the ratio of key components and controlling the reaction conditions, both arsenic and chlorine are simultaneously introduced into the mineral lattice, achieving efficient removal and resource conversion of arsenic and chlorine. This invention achieves synergistic removal and resource utilization of pollutants, resulting in significant environmental and economic benefits.
Owner:KUNMING UNIV OF SCI & TECH

Method for low-alkali-consumption dissolution of bauxite with high chlorite content

The invention belongs to the technical field of dissolution of bauxite, and particularly relates to a low-alkali-consumption dissolution method for bauxite with high chlorite content. Carrying out phase detection on the bauxite in each ore spot, respectively using the bauxite according to the types of the ore components, independently stacking the bauxite with the chlorite content higher than 10% for use, and independently dissolving out the bauxite. In the high-temperature dissolution process of the high-chlorite bauxite, chlorite does not react with sodium hydroxide to generate sodium silicon slag, the content of sodium oxide in the red mud is low, and alkali consumption in aluminum oxide production is low.
Owner:YUNNAN WENSHAN ALUMINUM CO LTD

Method for determining producing area of sandstone

The embodiment of the invention relates to the field of testing or analyzing materials by means of measuring chemical or physical properties of the materials, in particular to a method for determining the producing area of sandstone. The method comprises the following steps: acquiring a plurality of sandstone samples of which the producing areas are to be determined and a plurality of control samples of which the producing areas are known, and determining illite, montmorillonite, chlorite, kaolinite, chlorite / montmorillonite mixed layers and illite / montmorillonite mixed layer contents in the sandstone samples and the control samples; determining chemical weathering indexes of the sandstone sample and the control sample; the method comprises the following steps: determining illite, montmorillonite, chlorite, kaolinite, a chlorite / montmorillonite mixed layer and mineral components of the illite / montmorillonite mixed layer related to the production place; and determining the producing areas of the plurality of sandstone samples of which the producing areas are to be determined according to the contents of the mineral components related to the producing areas and the chemical weathering indexes in the control samples and the sandstone samples. The method provided by the embodiment of the invention can effectively and accurately determine the producing area of the sandstone sample of which the producing area is to be determined.
Owner:BEIJING RES INST OF URANIUM GEOLOGY

Use of a chlorine dioxide precursor for controlling ion metabolism of bacteria in cooling water systems

A method of reducing activity of sulfur and / or nitrogen metabolizing bacteria is provided. The method includes adding a composition of an alkali metal salt of chlorite and / or an alkali metal salt of chlorate and hydrogen peroxide to process water of a cooling tower and increasing a concentration of the composition from about 0 ppm to about 300 ppm in about 1 to about 100 minutes.
Owner:ECOLAB USA INC

A silicon-based adsorbent and its application in the treatment of domestic waste incineration waste gas

The present invention discloses a silicon-based adsorbent and its application in the treatment of waste gas from the incineration of domestic waste. The silicon-based adsorbent uses a polymer-modified composite clay as a matrix and humic acid is loaded on the surface. The composite clay is a combination of palygorskite, chlorite and illite. The silicon-based adsorbent of the present invention has excellent adsorption performance for dioxins and maintains good mechanical properties in both alkaline and neutral environments. It can effectively solve the problem that humic acid is extremely easy to dissolve in neutral and alkaline environments, expand the application range of the adsorbent, and effectively improve the adsorption rate for dioxins.
Owner:GUANGZHOU XINCAI TECHNOLOGY CO LTD +1

Method for indicating hydrothermal center based on chlorite short-wave spectrum and Raman parameters

The invention discloses a method for indicating a hydrothermal center based on chlorite short-wave spectrum and Raman parameters, and belongs to the technical field of mineral exploration. The method comprises the following steps: carrying out geological exploration on a target mining area; determining chlorite sample sampling points based on the exploration result; acquiring chlorite SWIR spectral data based on the chlorite sample; analyzing and interpreting SWIR spectrum data, establishing a mining area altered mineral spectrum matching library, and analyzing spectrum parameters of chlorite samples; performing laser Raman spectrum scanning on chlorite samples with different depths to obtain a change curve of Si-Obr-Si telescopic vibration of the chlorite samples along with the depths; sWIR and Raman parameter prospecting indexes are extracted, and comprehensive prospecting indexes are established to determine the hydrothermal center. The method has the characteristics of high recognition degree, convenience in operation, reliable result, short interpretation time, high test speed, relatively strong short wave infrared parameters and Raman spectrum characteristic signals and high signal-to-noise ratio.
Owner:ZHEJIANG INSTITUTE OF GEOSCIENCES

Methods for monitoring biofouling in closed water systems

Methods are described for monitoring biofouling in a closed water system. For example, a method includes adding nitrate to water circulating in the closed water system, and detecting whether nitrite is present in the water after adding the nitrate. Another method includes introducing chlorite into water circulating in the closed water system, the detecting the amount of chlorite present in the water; and at least one of (i) comparing the detected amount of chlorite to an expected amount of chlorite; and (ii) observing whether the amount of chlorite in the water decreases over time.
Owner:CHEMTREAT INC

Porous matrix substrate with chlorite reactant for producing chlorine dioxide

ActiveUS12662377B2Ozone preparationChlorine dioxideChlorine dioxideChlorite
A porous matrix substrate that has chlorite reactant distributed therein can be used to produce gaseous chlorine dioxide. Ozone-containing gas can pass through the porous matrix substrate and the ozone can react with the chlorite to produce chlorine dioxide.
Owner:CHEMTREAT INC

A continuous preparation device for chlorine dioxide slow-release microspheres

This invention provides a continuous preparation device for chlorine dioxide slow-release microspheres, belonging to the field of mechanical device technology. It solves the problems of existing commercially available chlorine dioxide preparation devices, where dust easily comes into contact with the chlorite solution and polymer solution during continuous production, causing a decline in chlorine dioxide quality; and the inaccurate and unstable delivery of the feeding equipment to the designated position during the placement and collection of chlorine dioxide slow-release microspheres, resulting in product loss. This continuous preparation device for chlorine dioxide slow-release microspheres includes a body, a frame, and a base. The body, located at the top of the base, has a rotating unit for loading materials and a preparation unit on one side of the rotating unit. The preparation unit and the rotating unit are separated by a glass plate. Two symmetrical openings are located at the bottom of the glass plate, and a limiting seat is provided at the opening within the preparation unit. This invention has the advantages of dust prevention and continuous manufacturing.
Owner:SANMEN ZHENHE TECH CO LTD

Method for determining producing area of sandstone

The embodiment of the invention relates to the field of testing or analyzing materials by means of measuring chemical or physical properties of the materials, in particular to a method for determining the producing area of sandstone, which comprises the following steps: acquiring a plurality of sandstone samples of which the producing areas are to be determined and a plurality of contrast samples of which the producing areas are known, respectively determining illite content, montmorillonite content, chlorite content, kaolinite content, chlorite / montmorillonite mixed layer content, illite / montmorillonite mixed layer content, K2O content, Na2O content, CaO content, Fe2O3 content, MgO content, Al2O3 content and chemical weathering indexes in the plurality of sandstone samples and the plurality of control samples; and according to the contents of the plurality of control samples, the chemical weathering indexes of the plurality of control samples, the contents of the plurality of sandstone samples and the chemical weathering indexes of the plurality of sandstone samples, determining the producing area of each sandstone sample of which the producing area is to be determined. The method provided by the embodiment of the invention can effectively and accurately determine the producing area of the sandstone sample of which the producing area is to be determined.
Owner:BEIJING RES INST OF URANIUM GEOLOGY

Anti-flowing water grouting material, preparation method, application and underground crack repairing method

The invention provides a flowing-water-resistant grouting material, a preparation method, application and an underground crack repairing method. The anti-flowing water grouting material comprises the following components in parts by weight: 8-12 parts of Portland cement; 48 to 92 parts by weight of clay; 0-42 parts by weight of modified fly ash and 95-105 parts by weight of water; wherein the clay is prepared from the following components in percentage by mass: 12.8% of quartz; 8% of calcite; 37% of illite; 8% of albite; 1.8% of potassium feldspar; 11.4% of kaolinite; 18.9% of clinoptilolite by weight; 2.1% of pyrite; the modified fly ash is obtained by crushing fly ash. And good flowing water resistance can be achieved without adding extra additives. The method also has the advantages of simple pulping process, low cost, environmental friendliness and the like.
Owner:CHINA UNIV OF MINING & TECH (BEIJING)

A chlorite and mg / al-lhds composite modified cow dung hydrothermal carbon and a preparation method and application thereof

The present application relates to the field of agricultural waste resource utilization and soil improvement material technology, and particularly relates to a chlorite and Mg / Al-LDHs composite modified cow dung hydrothermal carbon and a preparation method and application thereof.A specific technical scheme is as follows: the present application takes cow dung as raw material, and after hydrothermal carbonization, is modified by chlorite co-hydrothermal modification and Mg / Al-LDHs post-treatment modification in sequence.The present application realizes the synergistic composite modification of natural layered silicate mineral and artificial synthesized layered double hydroxide, so that the specific surface area of the material is significantly increased, a rich multi-level pore network is formed, and the theoretical maximum adsorption capacity of the material to phosphorus reaches 1707.72 mg / kg.The material is applied to agricultural production as a soil improvement agent or a phosphorus slow-release material, can significantly promote crop growth, and has important application value in efficient recovery and utilization of livestock and poultry manure phosphorus resources.
Owner:WENZHOU UNIV

Chlorine-oxygen double vacancy feocl catalyst, its preparation method and application in removal of organic pollutants in activated chlorite in water

PendingCN122441464APtru catalystOxygen vacancy
The application discloses a chlorine-oxygen double vacancy FeOCl catalyst and a preparation method and application thereof in removal of organic pollutants in water by activating chlorite, and relates to the technical field of organic wastewater treatment. The chlorine-oxygen double vacancy FeOCl catalyst is successfully constructed on the surface of FeOCl through a two-step method (heat treatment + reaction under illumination). The synergistic effect of the chlorine-oxygen double vacancy significantly enhances the activation capacity of FeOCl on chlorite, and the removal rate of the organic pollutants, especially antibiotic organic pollutants, is higher than that of FeOCl materials without illumination treatment. The chlorine-oxygen double vacancy FeOCl catalyst constructed in the application can simultaneously generate selective high-valence metal substances and ClO2 in the chlorite activation advanced oxidation system, realizes selective oxidative degradation of various representative organic pollutants, and can maintain high and stable removal performance in a wide pH range and various water body substrates, and exhibits good environmental adaptability.
Owner:OCEAN UNIV OF CHINA