58 results about "Chlorite" patented technology

The invention discloses low-expansion cordierite ceramic prepared from chlorite and a preparation method of the low-expansion cordierite ceramic. The low-expansion cordierite ceramic is prepared from the following chemical components in percentage by mass: 47.3 to 48.8 percent of SiO2, 37.6 to 39.1 percent of Al2O3, 0.5 to 0.6 percent of CaO, 12.35 to 13.4 percent of MgO, 0.05 to 0.1 percent of Fe2O3, 0.01 to 0.02 percent of K2O, 0.003 to 0.009 percent of Na2O and 0.16 to 0.21 percent of TiO2. The preparation method comprises the following steps: 1, taking chlorite as a raw material, and adding kaolin and aluminum oxide to prepare a cordierite precursor; step 2, adding fused quartz into the cordierite precursor prepared in the step 1 to prepare mixed powder; and 3, molding the mixed powder obtained in the step 2, and firing to obtain the low-expansion cordierite ceramic.

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.

The present invention belongs to the technical field of petroleum and natural gas exploration and development, and specifically relates to a study method for chlorite growth pattern based on an in-situ high-precision observation means. The method includes: S1: selecting a sample and quantitatively characterizing mineral components; S11: selecting a typical sandstone sample developed with a chlorite coating and cement, grinding a rock slice, and observing under a microscope and a scanning electron microscope to determine a basic morphological characteristic, occurrence state and type of the chlorite; S2: performing data preprocessing on the sample; S3: establishing a water-rock numerical simulation model; S4: developing a water-rock numerical simulation experiment; S5: analyzing a water-rock numerical simulation result; and S6: explaining and applying the water-rock numerical simulation result.

A chlorite coating coverage rate calculation method relates to the technical field of geological exploration and comprises the following steps: collecting a typical rock core sample of a clastic rock stratum in a research area, observing sedimentary characteristics, judging sedimentary microfacies, testing physical properties of the rock core sample and chlorite content data, and preparing a sample slice for high-precision observation. Identifying and shooting the particles with chlorite coatings, calculating the coating coverage rates of the sample sheet particles by adopting a cross proportion method, a perimeter proportion method and an angle proportion method respectively, and then taking the mean value of the coating coverage rates of the three methods as the total coating coverage rate of the sample particles; carrying out linear coupling on the calculated total coating coverage rate of the sample particles and the chlorite content, and establishing a relationship between the chlorite coating coverage rate and the chlorite content; according to the method, under the condition that comprehensive actual geological conditions of the clastic rock reservoir containing the chlorite coating are fully considered, the content calculation method of the chlorite coating in the clastic rock reservoir is emphatically solved, and the coverage degree of the chlorite coating can be accurately judged.

The invention provides a coking inhibitor as well as a use method and application of the coking inhibitor. The coking inhibitor is prepared from the following components in percentage by mass: 30 to 70 percent of first silicate and 30 to 70 percent of other raw materials, the first silicate comprises one or more of kaolin, metakaolin, washed kaolin and white mud; the other raw materials comprise one or two of second silicate and oxide; the second silicate comprises one or more of chlorite, serpentine, talc, asbestos and vermiculite; the oxide comprises one or two of silicon oxide and iron oxide. Aiming at the coking type of the Kingery model, high-concentration sol formed by electrolyte with high viscosity and large mass points and deposited due to flocculation, the first silicate and other raw materials which are limited according to a specific proportion are compounded as a coking inhibitor, so that the viscosity of the coking product is reduced, the coking body is embrittled and is easy to clean, and the coking effect of the Kingery model is improved. The thickness of the focus hanging body is reduced.

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.

The invention belongs to the technical field of tight sandstone reservoir evaluation, and discloses a method for determining the chlorite content range of a tight sandstone effective reservoir. Comprising the following steps: carrying out a physical property analysis experiment on a compact sandstone sample in a research area to obtain the porosity and permeability value of the sample, carrying out a clay mineral content determination experiment on the compact sandstone sample in the research area to obtain the chlorite content of the sample, and determining the chlorite content range of the effective reservoir according to the relationship between the chlorite content and the porosity. According to the method, the problem that the chlorite content is not included in the effective reservoir evaluation standard in a traditional method is solved, and the identification accuracy of the effective reservoir of the compact sandstone can be greatly improved.

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.

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.

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.

A beneficiation method for chlorite type bauxite, comprising the following steps: performing selective dissociation, crushing, and grading on chlorite type bauxite to obtain coarse-fraction bauxite and fine-fraction bauxite; using a gravity separation process to desiliconize and desulfurize the coarse-fraction bauxite to obtain floating gravity separation concentrate containing aluminum mineral and sinking gravity separation tailings containing chlorite, pyrite and other impurity minerals; using a flotation process to desiliconize and desulfurize the fine-fraction bauxite to obtain flotation concentrate and flotation tailings; and combining the gravity separation concentrate and the flotation concentrate into aluminum concentrate, and combining the gravity separation tailings and the flotation tailings into tailings.

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.

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.

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.

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.

The invention provides a coking inhibitor as well as a use method and application of the coking inhibitor. The coking inhibitor comprises the following components in percentage by mass: 60-70% of a first component and 30-40% of a second component, wherein the first component comprises one or two of aluminosilicate mineral and talc; the aluminosilicate-containing minerals comprise one or more of bentonite, montmorillonite and activated clay; the second component comprises one or more of chlorite, magnesium oxide, sodium chloride and aluminum oxide. Aiming at a viscous flow mechanism, particularly a coking product which is low in system viscosity, short in material property and formed by sedimentation due to colloid particle entanglement caused by electrolyte, the first component and the second component which are specifically selected and proportionally are compounded, so that the coking condition to be formed is effectively controlled, the size of formed coke blocks is reduced, and the coking balance is kept.

The present invention discloses a low-expansion cordierite ceramic prepared by using chlorite and a preparation method thereof. The chemical composition of the low-expansion cordierite ceramic is as follows in terms of mass percentage: SiO 2 47.3~48.8%, Al2O3 37.6~39.1%, CaO 0.5~0.6%, MgO 12.35~13.4%, Fe2O 3 The invention discloses a method for preparing a cordierite ceramic comprising the following steps: (1) using chlorite as a raw material, adding kaolin and alumina to prepare a cordierite precursor; (2) adding fused quartz to the cordierite precursor prepared in the first step to prepare a mixed powder; and (3) molding and firing the mixed powder prepared in the second step to prepare a low-expansion cordierite ceramic.

The invention relates to the technical field of porcelain glaze, in particular to a novel purple gold glaze formula which is prepared from the following raw materials in percentage by weight: 20-50% of potassium feldspar, 5-15% of quartz, 1-5% of biotite, 10-20% of chlorite, 5-15% of calcite, 15-30% of talc, 0.1-7% of sodium oxide, 0.2-3% of titanium oxide, 0.1-5% of copper oxide, 1-3% of magnesium oxide, 5-8% of strontium carbonate and 2-4% of calcium silicate. And 5-8% of light calcium carbonate. The invention also relates to a preparation method of the purple gold glaze. According to the invention, exchange with ions of tea soup can be realized during tea making, so that the tea soup contains Mg2, Sr2 and Ca < 2 + > ions, Mg < 2 + > can promote nerve and muscle functions, Sr < 2 + > has an anti-oxidation characteristic, Ca < 2 + > can adjust the taste of the tea soup, light calcium carbonate (CaCO3) is decomposed under a high-temperature condition to generate CO2, a microporous structure is formed, the contact area of a glaze surface and the tea soup is increased, and the glaze surface has an anti-oxidation function. Therefore, directional release of minerals can be realized, and alcoholization stability is improved.

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.

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.

The present invention discloses a method for beneficiating fine-grained disseminated copper ore by sectional ultrafine grinding. A flotation process is carried out successively, including grinding, roughing operation, first cleaning operation, scavenging operation, and second cleaning operation. By developing an efficient selective inhibitor YSY-101, gangue minerals such as chlorite and mica can be inhibited. An efficient selective collector YSP-106 is also developed, which can weaken the collection effect on gangue minerals such as chlorite and mica, increase the floatability difference between the target mineral copper sulfide ore and gangue minerals, thereby improving the quality of copper concentrate. In addition, for the inconsistent dissemination particle sizes of bornite and chalcopyrite in the present invention method, the dissemination particle size of bornite is P80@25μm, and the dissemination particle size of chalcopyrite is P80@18μm. A sectional ultrafine grinding process is developed, which can prevent over-grinding caused by one-stage ultrafine grinding and avoid affecting the concentrate quality due to insufficient dissociation of chalcopyrite.

The invention provides a method for recovering quartz from tungsten tailings, which comprises the following steps: S1, roughing mica: firstly putting the tungsten tailings into a container, then adding sodium carbonate, stirring for 1 minute, adjusting the pH value of a system to 10.5, then adding 300g / t of BSP and 60g / t of NA, and stirring for 3 minutes to obtain roughed mica and mica concentrate; and S2, mica scavenging, wherein sodium carbonate is added into the roughed mica obtained in the S1. According to the method for recovering the quartz from the tungsten tailings, through the steps of mica roughing, mica scavenging, quartz impurity removal roughing, quartz impurity removal scavenging and the like, process mineralogy results of the ores are fully considered, and aiming at gangue minerals such as mica, chlorite, schorlite and the like contained in the ores, firstly, the mica is floated under the alkaline condition, and then the quartz is separated from the gangue minerals under the alkaline condition; and then other impurities are floated under acidity, and the means of ore grinding and the like are properly assisted, so that the fresh surface of the ore is exposed, and the ore is easier to act with a medicament, thereby improving the flotation efficiency.

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.

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.

The present invention proposes a beneficiation pre-enrichment method for chrysoberyl-type beryllium ore. The method of the present invention first removes most carbonate minerals such as calcite and dolomite and gangue minerals such as chlorite and mica through floatation and sinking separation, and then adopts a stage grinding and stage separation process to obtain pre-selected beryllium concentrate. The process is simplified, the grinding feed amount is reduced, the selection grade is improved, and the carbonate minerals that interfere with flotation are reduced. In addition, fluorine-free reagents are used in the separation process to reduce the impact on the flotation environment. At the same time, a higher beryllium concentrate grade and recovery rate are ensured. In addition, the entire beneficiation process reduces the costs of grinding, reagents, equipment loss, etc.

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.

To provide a method for generating chlorine dioxide in solution without using catalysts or hypochlorites, and a method for efficiently generating chlorine dioxide by light application under neutral to basic conditions, which has been difficult with sodium chlorite due to superior corrosion resistance and safety aspects.SOLUTION: A method for generating chlorine dioxide is characterized by applying light including ultraviolet light to an aqueous solution containing chlorite represented by the following formula (1) and adjusted to pH 6 or higher. (In formula (1), R11, R21, R31, and R41 are each an alkyl group, and may contain an ether bond, a ketone (carbonyl group), an ester bond, or an amide bond, or an aromatic ring.)SELECTED DRAWING: None

Provided is a chlorine dioxide generation device (X) in which chlorine dioxide gas is generated by mixing, in a solvent in a container (1), a chlorite salt, an acidic substance that reacts with the chlorite salt to generate chlorine dioxide gas, and a buffer action substance that is a salt or conjugate base thereof that buffers the acidic substance.

The invention discloses a method for determining a uranium mine target area based on the alteration type of granite, and the method comprises the steps: obtaining samples in a primary target area, and recording the position information of each sample; obtaining the chemical composition of the sample; determining the alteration type of the sample based on the chemical composition; screening the sample of which the alteration type is illite petrochemical, chlorite or pyrite as a primarily screened sample, and calculating the molar ratio of Fe < 3 + > to Fe < 2 + > of the primarily screened sample; screening the primarily screened sample with Fe < 3 + > / Fe < 2 + > greater than 1 as a target sample, and determining the position information of the target sample as a uranium ore target area; the cost of uranium prospecting work is remarkably reduced, the success rate of uranium prospecting is increased, and the method has wide reproducibility and operability and has good application prospects.

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.