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219 results about "Clay minerals" patented technology

Clay minerals are hydrous aluminium phyllosilicates, sometimes with variable amounts of iron, magnesium, alkali metals, alkaline earths, and other cations found on or near some planetary surfaces. Clay minerals form in the presence of water and have been important to life, and many theories of abiogenesis involve them. They are important constituents of soils, and have been useful to humans since ancient times in agriculture and manufacturing.

Selective extraction of lithium from clay minerals

Processes for extracting lithium from a clay mineral and compositions thereof are described. The extraction process includes providing a clay mineral comprising lithium, mixing a cation source with the clay mineral, performing a high-energy mill of the clay mineral, and performing a liquid leach to obtain a lithium rich leach solution.
Owner:TESLA INC

Method for analyzing diagenesis of clay minerals by combining physical simulation and numerical simulation

The invention discloses a method for analyzing diagenesis of clay minerals by combining physical simulation and numerical simulation, which comprises the following steps: selecting clay single minerals, and preparing a formation water solution; respectively filling the clay single mineral and the stratum water solution into a plurality of reaction kettles, and carrying out diagenesis physical simulation; establishing a numerical simulation model with the same physical simulation experiment condition, and outputting mineral and ion data; according to mineral and ion data, fitting a physical simulation experiment result and a numerical simulation result, and determining a mineral corrosion rate; and establishing a geologic model by taking the mineral dissolution rate as a reference, and performing clay single mineral diagenesis simulation within a geological time scale. According to the method, numerical simulation parameters are constrained by physical simulation experiment results, and comparison and verification of numerical simulation and physical simulation results are realized by adjusting mineral corrosion kinetic parameters in real time, so that the numerical simulation experiment results are close to actual conditions.
Owner:PETROCHINA CO LTD

Coupling agent composition for inhibiting rubber flooding and application of coupling agent composition in rubber track

The invention belongs to the technical field of rubber auxiliaries and rubber tracks, and particularly relates to a coupling agent composition for inhibiting rubber appearance flooding and application of the coupling agent composition in the rubber tracks. The coupling agent composition comprises the following components in percentage by weight: 15%-30% of coupling agent, 1%-15% of metal chloride and 70%-85% of clay mineral. Different from a microcapsule technology only aiming at anti-aging agent migration, the coupling agent composition disclosed by the invention can effectively capture various types of color-flooding source substances including carbon black residues, anti-aging agents, antioxidants and the like by starting from common characteristics (containing unsaturated bonds, heteroatoms and aromatic structures) of color-flooding small molecules and through the synergistic effect of the coupling agent and metal ions, so that the color-flooding source substances can be effectively captured. And the method has wide applicability. In addition, a composite system composed of the clay, the coupling agent and the metal chloride can improve the bonding strength of the rubber and a track framework material, and is suitable for being applied to a heavy-load rubber track.
Owner:YACHOO TECH CO LTD

Solidification material and use thereof

The present invention relates to the technical field of sediment or sludge treatment of a water body, and provides a solidification material and a use thereof. The solidification material consists of the following components in percentage by mass: 30% of a sediment flocculant, 20% of a high-strength and high-water-resistant earth consolidator, 30%-40% of calcium bentonite, 5%-15% of a clay mineral, and 5% of an engineering admixture. When the solidification material is used in the sediment or sludge treatment of the water body, pollutants in sediments can be well immobilized, and as tested, no leaching of the pollutants occurs after immersion in the water body. Moreover, the usage amount of the solidification material is significantly reduced compared to that of a conventional solidification material, so that the impact on the storage capacity of the water body can be effectively reduced, and the construction cost is also saved.
Owner:ROAD ENVIRONMENT TECH CO LTD

Shale gas exploration method, device, equipment and medium

The invention discloses a shale gas exploration method, device, equipment and medium, and relates to the technical field of shale gas exploration and development, and the shale gas exploration method comprises the following steps: obtaining respective mass fractions of long quartz minerals, clay minerals and carbonate minerals of a shale reservoir in each well section of a current well, determining the maximum difference degree index, the local onrush characteristic index and the relative change amplitude index of the corresponding mineral content of the shale reservoir in each well section based on each mass fraction, and constructing a comprehensive heterogeneity index representing the shale reservoir in each well section; the porosity, the water saturation and the total gas content of the shale reservoir in each well section are obtained, so that the initial sweet spot grade of each well section is divided; performing grade correction on the initial dessert grade of the corresponding well section according to each comprehensive heterogeneity index to obtain a target dessert grade corresponding to each well section after correction; and determining a well track optimization scheme and a fracturing design scheme based on the target dessert grade so as to carry out corresponding shale gas exploration operation. And accurate shale gas exploration is realized.
Owner:CHINA UNIV OF PETROLEUM (BEIJING)

Lithium clay mineral PVDF-based composite solid-state electrolyte membrane, preparation method and application thereof, and quasi-solid-state battery

The invention provides a lithiated clay mineral PVDF-based composite solid-state electrolyte membrane, a preparation method and application thereof, and a quasi-solid-state battery, and belongs to the technical field of solid-state lithium batteries. The preparation method comprises the following steps: mixing lithium halide, clay minerals and water for the first time, and carrying out ion exchange reaction to obtain lithiated clay minerals; mixing lithiated clay minerals, PVDF, organic lithium salt and an organic solvent for the second time to obtain composite slurry; and applying the composite slurry to the surface of a substrate, and carrying out thermocuring to obtain the lithiated clay mineral PVDF-based composite solid electrolyte membrane. The lithiated clay mineral is introduced into a mixed system of PVDF and organic lithium salt, so that the crystallinity of PVDF can be effectively reduced, an amorphous region is increased, conversion of PVDF crystals to beta-type PVDF is promoted, and the dissociation process of the lithium salt in the electrolyte is promoted; meanwhile, the lithiated clay mineral is introduced, so that the ionic conductivity can be obviously improved, an electrochemical window is widened, the mechanical property is improved, and the growth of lithium dendrites is inhibited.
Owner:LANZHOU INSTITUTE OF CHEMICAL PHYSICS CHINESE ACADEMY OF SCIENCES

Shale carbon dioxide adsorption expansion damage experiment method considering hydration state

PendingCN121933340APrecisely controllable hydration statusSolve unquantifiable problemsMaterial analysis using wave/particle radiationMaterial strength using tensile/compressive forcesPorosityClay minerals
The invention belongs to the field of carbon dioxide geological sequestration and oil-gas field development, and relates to a shale carbon dioxide adsorption expansion damage experiment method considering a hydration state, which comprises the following steps: processing a shale sample according to requirements; the shale is subjected to constant-humidity regulation and control pretreatment, and in the process, different relative humidity environments can be used for pretreatment, so that the influence of different clay mineral hydration interlayer spacing states on adsorption expansion is obtained; soaking the pretreated shale in supercritical carbon dioxide, adsorbing the sample when the temperature and pressure conditions reach a set value, soaking until the rock sample reaches adsorption saturation, and treating by using carbon dioxide with different pressures and temperature gradients; according to collection of sample microstructure and mechanical data, damage can be treated through crack initiation position comparison, porosity and gray scale quantitative analysis and macro-mechanical parameter evolution. The method provides an experimental method for carbon dioxide geological sequestration safety assessment and shale gas fracturing parameter optimization.
Owner:LIAONING UNIVERSITY OF PETROLEUM AND CHEMICAL TECHNOLOGY

Continuous quartz sand acid leaching equipment

The invention provides continuous quartz sand acid leaching equipment, which belongs to the technical field of quartz sand processing and comprises a pre-grinding part, an acid leaching assembly, a material transferring mechanism, a transverse grinding barrel, an extrusion grinding rod, a conveying fin and an extrusion grinding area. The pre-grinding part comprises a transversely-arranged grinding barrel, conveying fins are arranged on the inner wall of the transversely-arranged grinding barrel, an extrusion grinding rod is arranged in the transversely-arranged grinding barrel, and an extrusion grinding area is formed between the bottom of the extrusion grinding rod and the conveying fins; acid leaching assemblies are arranged outside the pre-grinding part, and a material transferring mechanism is arranged between the acid leaching assemblies. According to the device, through the extrusion grinding rod and the conveying fins in the transverse grinding barrel, an extrusion grinding area is formed at the bottom of the extrusion grinding rod, and through rotation of the transverse grinding barrel and pushing of the conveying fins, the grinding efficiency is improved; and the quartz sand is accumulated in the extrusion grinding area and makes contact with the extrusion grinding rod for extrusion grinding, and impurities such as clay minerals attached to the surface of the quartz sand are removed.
Owner:JIANGSU DANXUE NEW MATERIALS TECHNOLOGY CO LTD

Quantitative recovery method for shale clay mineral composition

The invention relates to the field of organic matter-rich shale mineral type and cause research, and discloses a shale clay mineral composition quantitative recovery method, which comprises: S1, cutting and polishing a shale sample, and carrying out argon ion polishing; s2, based on SEM-EDS combined analysis, collecting morphology and energy spectrum characteristics of clay minerals with different causes, and constructing a clay mineral cause standard library; s3, AMICS analysis parameters are optimized, and 2-4 vision fields are selected for scanning to generate original data; s4, processing the scanning data, calculating the mineral content, and performing cross validation with an XRD-Rietveld result; and S5, in combination with a diagenetic evolution sequence and a mass conservation principle, inverting the contents of original montmorillonite and clastic clay minerals. According to the method, clay minerals of different causes are distinguished through the SEM-EDS double-constraint model, AMICS parameters are optimized, the recognition precision is improved, and quantitative recovery of original components is achieved in combination with diagenetic inversion.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Thin interbed clay mineral content prediction method based on RBF neural network

The invention relates to a thin interbed clay mineral content prediction method based on an RBF neural network, and the method mainly improves the longitudinal resolution through the inversion of the RBF neural network on the basis of multiple attributes, and compared with the conventional research, the method directly uses the seismic attributes, such as amplitude, as the input to learn a target curve, and improves the prediction efficiency. According to the method, the seismic frequency division reconstruction data body and the inversion body are selected as input, so that the longitudinal resolution and the well coincidence rate are greatly improved; in addition, the inversion body is used as input, so that the problem that neural network inversion geological laws are poor in previous research is solved, and an important basis can be provided for reservoir assessment and development; examples prove that the method disclosed by the invention is higher in precision of inverting the clay mineral content compared with a simulation method directly using waveform indication, and is suitable for reservoir parameter prediction of a thin interbed.
Owner:DAQING OILFIELD CO LTD +1

Method for simulating influence of montmorillonite clay mineral water on organic matter pyrolysis hydrocarbon generation

The invention provides a method for simulating the influence of montmorillonite clay mineral water on organic matter pyrolysis hydrocarbon generation, and belongs to the technical field of organic matter pyrolysis. The method comprises the following steps: heating montmorillonite to obtain dehydrated montmorillonite, mixing organic matters and the dehydrated montmorillonite in an argon atmosphere and a dry environment, transferring a mixed sample into a gold tube, and loading the sample; putting the gold tube into an iron reaction kettle, filling the reaction kettle with water, and cooling after heating reaction; putting the cooled gold tube into a gas collecting device, and calculating the amount of substance of gas according to an ideal gas state equation; the collected gas is subjected to GC analysis to obtain the percentage of each gas, the yield of each gas is calculated by combining the amount of substance of the gas, and the influence of the montmorillonite clay endogenous water on hydrocarbon generation by thermal decomposition of organic matters is evaluated. Under the condition that only the unified boundary condition of clay mineral water is changed, a verifiable judgment system of'endogenous water type-product spectrum characteristic-reaction channel 'is established for the first time.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

A method and system for fdem simulation of mineral-scale shale hydrofracturing

PendingCN122283091AComplete hydration cracking processfully reflectedPorosityClay minerals
This invention belongs to the field of oil and gas production enhancement and stimulation technology. It provides a FDEM simulation method and system for mineral-scale shale hydration-induced fracturing. The method includes the following steps: obtaining target reservoir stress, rock porosity, and permeability; preparing rock samples from the target stratigraphic layer and obtaining the mineral composition and content through X-ray diffraction experiments; constructing a polycrystalline geometric model of the minerals using random Voronoi mosaic technology; conducting core immersion hydration experiments to obtain the relationship between core water content and time; setting initial and boundary conditions for the model and establishing a numerical model of clay mineral hydration expansion-induced fracturing based on the finite discrete element method; and conducting numerical experiments on shale hydration-induced fracturing to obtain the micro-fracture propagation morphology induced by clay mineral hydration expansion. This invention considers the non-uniform mosaic distribution of multiple minerals in the reservoir rock, simulates the non-uniform stress distribution induced by clay mineral water absorption and expansion, and realizes numerical simulation of the mineral-scale shale hydration-induced fracturing process.
Owner:SOUTHWEST PETROLEUM UNIV

Method, device and system for determining the compressibility of a shale oil reservoir

This application provides a method, apparatus, and system for determining the compressibility of shale oil reservoirs. The method includes: acquiring compressibility evaluation parameters for shale oil reservoirs, whereby these parameters are data corresponding to factors influencing the compressibility of the shale oil reservoir; analyzing these parameters using a dimensionality reduction method to obtain independent evaluation parameters; calculating a compressibility index based on the independent evaluation parameters; and determining the compressibility of the shale oil reservoir based on the compressibility index. This method uses a dimensionality reduction method to analyze the aforementioned compressibility evaluation parameters to obtain independent evaluation parameters, facilitating the calculation of the compressibility index. Based on this index, the compressibility of the shale oil reservoir is determined. Compared to methods that determine reservoir compressibility solely through brittleness indices or experimental methods such as clay mineral content, this method comprehensively considers multiple compressibility evaluation parameters that influence the compressibility of shale oil reservoirs, resulting in a more comprehensive analysis and improved accuracy in compressibility evaluation.
Owner:PETROCHINA CO LTD

Claw material

PendingJP2026115680AOrganic solventClay minerals
The present invention aims to develop a nail care product that offers excellent smooth spreadability, a uniform coating film resulting in superior gloss and gloss retention, long-lasting wear, and long-term stability of the formulation. [Solution] The following components (A) to (D); (A) Film-forming agent (B) Organically modified clay minerals (C) Silicone oil (D) Organic solvents A nail care product containing the following, wherein the mass ratio of component (B) to component (C) (B) / (C) is 0.1 or more and less than 10.
Owner:KOSE HOLDINGS CORP

Computation method and device for irreducible water saturation of tight sandstone reservoir, electronic equipment, storable medium and computer program product

The invention relates to the technical field of oil and gas reservoir damage evaluation, in particular to a method and device for calculating irreducible water saturation of a tight sandstone reservoir, electronic equipment, a storable medium and a computer program product. The method comprises the following steps: acquiring a pore distribution curve of a compact sandstone sample; based on the pore distribution curve of the compact sandstone sample, determining the capillary bound water content of different pressure differences of the compact sandstone reservoir; carrying out total rock and clay mineral analysis on the compact sandstone sample to obtain the content of the clay bound water in the compact sandstone reservoir; and obtaining the irreducible water saturation of the tight sandstone reservoir based on the capillary irreducible water content and the clay irreducible water content. According to the method, the relationship between the absolute content, the pore distribution, the stress distribution and the interfacial tension of the clay mineral and the irreducible water saturation is established, so that qualitative and quantitative analysis on the irreducible water saturation is quickly and accurately performed.
Owner:PETROCHINA CO LTD

A fine clay mineral suction filtration anti-mud running device

This invention discloses a device for preventing mud spillage during fine mineral filtration, relating to the field of mineral processing and solid-liquid separation equipment. It includes: a Buchner funnel, a filtration flask, a collection cylinder, an anti-backflow bottle, and a vacuum pump. The Buchner funnel is connected to the filtration flask, and the filtration flask's exhaust port is sequentially connected to the collection cylinder, the anti-backflow bottle, and the vacuum pump via pipelines. The collection cylinder includes a shell, a flow guide, a filter assembly, a collection chamber, and an end cap. The shell has an inlet and an outlet on both sides. The inlet is connected to the exhaust port of the filtration flask via a pipeline, and the outlet is connected to the anti-backflow bottle via a pipeline. The flow guide is located on the inlet side of the shell, and the filter assembly is located inside the shell. This invention uses the flow guide to rectify the airflow to protect the filter surface, and the filter assembly to intercept fine particles, preventing them from entering subsequent equipment. The removable end cap allows for quick and complete removal of the filter assembly, improving collection efficiency while simplifying maintenance.
Owner:ANHUI UNIV OF SCI & TECH

Lubricant composition for plastic working and method for producing metal material with lubricant coating

To provide a lubricant composition for plastic working that enables processing without a chemical conversion coating even in severe plastic working such as forging of steel or stainless steel and that forms a coating exhibiting excellent working lubricity even when exposed to a moisture-absorbing environment.SOLUTION: A lubricant composition for plastic working comprises a polymer A having a polyamide chain and a polyalkylene oxide chain within one molecule, and one or more inorganic substances B selected from a smectite clay mineral and an inorganic oxide represented by aMxOy-bSiO2-cH2O, where a, b, and c are rational numbers satisfying 0≤a≤3, 0≤b≤4, 0≤c≤5, and 1≤a+b, x and y satisfy x=2 and y=1, or x=y=1, or x=2 and y=3, and M is Mg or Al.SELECTED DRAWING: Figure 1
Owner:NIHON PARKERIZING CO LTD

Lithium metal electrode for lithium secondary battery and method of manufacturing the same

This invention relates to a lithium metal electrode and a method for manufacturing the same. The lithium metal electrode of this invention includes a current collector; a metal layer located on at least one side of the current collector and comprising a lithium alloy; and a protective layer located on the metal layer, the protective layer comprising amorphous carbon and silicate clay minerals having a 2:1 crystal structure.
Owner:POSCO HLDG INC

Methods for processing quartz from waste rock and use of quartz obtained from waste rock

UndeterminedDE102025116631A1SilicaClay mineralsPhysical chemistry
The present invention relates to a process for obtaining quartz from residues obtained during the extraction of a clay mineral from a raw material. The process comprises the steps of: mining a quartz- and clay mineral-containing raw material from a deposit; transporting the quartz together with the clay mineral to a processing plant; hydromechanical separation of the quartz and clay mineral; processing the clay mineral; and processing the quartz from the residual material remaining after processing the clay mineral, wherein this processing includes at least one step for separating an organic solid and classifying the quartz. The invention also relates to the use of quartz obtained by this process.
Owner:ASMANIT-DORFNER GMBH & CO MINERALAUFBEREITUNGS- KG

A material for treating acid mine drainage and a method of preparation and a method of treating wastewater

The present application belongs to the technical field of acid mine drainage pollution treatment, and specifically discloses a material for treating acid mine drainage, a preparation method thereof and a wastewater treatment method. The material is a combination of three kinds of natural mineral-based functional materials, which are a first functional material, a slow-release material, mainly a carbonate rock matrix, manganese dioxide and a binder, with a mass ratio of 7-8:1-2:1; a second functional material, a catalytic oxidation material, mainly manganese dioxide, fibrous magnesium-rich clay mineral and a binder, with a mass ratio of 7-8:1-2:1; and a third functional material, a high-performance adsorption material, mainly volcanic clay mineral, manganese dioxide, fibrous magnesium-rich clay mineral and a binder, with a mass ratio of 5-7:1-2:1-2:1; and the mass ratio of the first functional material, the second functional material and the third functional material is 1:10:10. The material provided by the present application is simple to assemble and maintain in the wastewater treatment method, does not need additional chemical agents, avoids sludge blockage and secondary pollution, and has low preparation and treatment costs.
Owner:湖北神龙资源环境技术有限公司 +2

Efficient deionizing neutralizer for strongly acidic pickling wastewater and preparation method of efficient deionizing neutralizer

The invention discloses an efficient deionizing neutralizer for strongly acidic pickling wastewater and a preparation method of the efficient deionizing neutralizer, and belongs to the technical field of industrial wastewater treatment. The neutralizer is prepared by carrying out pure physical crushing, grinding, screening and compounding on magnesium silicate minerals, aluminum clay minerals and siliceous inert minerals, is white powder, has the density of 1.15-1.25 g / cm < 3 >, is not dissolved, not hydrolyzed and not reacted with water in pure water, is only subjected to directional proton consumption reaction with H under the strongly acidic condition with the pH value of 0-3, and can be used for preparing a high-purity high-purity high-purity magnesium oxide. After the pH value of the wastewater is rapidly increased to 4-5, the device is automatically stopped. The whole process of the preparation method is physical processing, high-temperature calcination is avoided, and chemical modification is avoided. The method provided by the invention solves the problems of scaling, large sludge amount and difficult pH control of the traditional neutralizer, has the advantages of greenness, environmental protection, safety, easy operation and low cost, and is suitable for strong acid pickling wastewater treatment in steel, electroplating and metal processing industries.
Owner:WUXI ZESHENG FUTURE ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD

A fracturing reservoir protectant with anti-expansion and anti-collapse functions, its preparation method and application

ActiveCN121930810BClay mineralsActive agent
This invention discloses a fracturing reservoir protectant with anti-swelling and anti-collapse functions, its preparation method, and its application, belonging to the field of fracturing technology. The fracturing reservoir protectant comprises: amphiphilic modified graphene oxide, an amine-based clay stabilizer, a cationic surfactant, a nonionic surfactant, and deionized water. The fracturing reservoir protectant of this invention achieves synergistic anti-swelling and anti-collapse effects. Through the combination of the amine-based clay stabilizer and the cationic surfactant, it exerts a highly efficient clay hydration inhibition effect, with an anti-swelling rate greater than 95% and excellent water wash resistance, effectively inhibiting the hydration and swelling of clay minerals for a long time. The core component, amphiphilic modified graphene oxide, can physically adsorb onto the surface of rock fractures and nanopores, forming a dense hydrophobic barrier that effectively prevents water phase intrusion. Simultaneously, it synergistically alters rock wettability with the surfactant. This invention fundamentally solves the problem of skeletal instability and collapse in weakly cemented reservoirs caused by hydration swelling and capillary percolation.
Owner:XINJIANG GUANGYA OIL & GAS NEW TECH DEV CO LTD

Oil-in-water emulsion cosmetic for mist spray

The object of the present invention is to provide an oil-in-water emulsion cosmetic for mist spray that has excellent SPF boosting effect, good stability, and a fresh, non-sticky feel. [Solution] The present invention relates to an oil-in-water emulsion cosmetic composition for mist spray, comprising an aqueous clay mineral together with an ultraviolet absorber, wherein the aqueous clay mineral content is 1.0% to 5%, and which does not contain a water-soluble polymer or an ultraviolet scattering agent.
Owner:CHIFURE HLDG CORP

Classification method of fully strong weathered granite

The invention relates to a classification method of fully strong weathered granite. The method is suitable for the technical fields of solid waste utilization and ore processing. The technical problem to be solved by the invention is to provide the classification method for the fully strong weathered granite. According to the technical scheme, the classification method for the fully strong weathered granite comprises the steps that the washing difficulty index of a granite sample is determined based on the clay mineral content and the elutriation rate of the granite sample; determining a harmful substance content index of the granite sample based on the harmful substance content of the granite sample; determining the product quality index of the granite sample based on the crushing values of the sand samples of multiple particle sizes screened from the granite sample; based on the washing difficulty index, the harmful substance content index and the product quality index of the granite sample, classifying the granite sample in combination with a preset sample classification rule; and based on granite sample classification, in combination with a preset classification process suggestion library, determining a process suggestion for the granite sample.
Owner:POWERCHINA HUADONG ENG CORP LTD +1

Mineral compound for reducing harm and increasing convergence of green tide and application of mineral compound

The invention relates to the technical field of marine environment protection and carbon sink, in particular to a mineral compound for reducing harm and increasing sink of green tide and application of the mineral compound. And the mineral compound comprises the following components in percentage by mass: 75-85% of clay minerals, 19-29% of alkaline minerals and 0.1-1% of natural algicidal substances. The three components in the compound have a synergistic effect, the problems of seawater anoxia and acidification caused by green tide outbreak can be remarkably relieved, meanwhile, long-term burying of algae-derived organic carbon in the ocean is promoted, and the compound has a remarkable carbon gain effect. The method is environment-friendly, simple to operate and controllable in cost, and has the potential of large-scale application. The invention provides a safe and effective technical means for improving the carbon sequestration capacity of large-scale green tide and treating the offshore environment.
Owner:QINGDAO INST OF BIOENERGY & BIOPROCESS TECH CHINESE ACADEMY OF SCI

A chitosan-modified clay-based aerogel wound dressing and a preparation method thereof

The present application relates to the technical field of wound dressing, and particularly relates to a chitosan modified clay-based aerogel wound dressing and a preparation method thereof. The preparation method comprises the following steps: S1: adding clay minerals into deionized water to prepare a slurry, and adding acetic acid while stirring to obtain a clay mineral slurry; S2: dissolving chitosan in an acetic acid solution to prepare a chitosan sol; S3: continuously stirring and mixing the clay mineral slurry and the chitosan sol to obtain a sol; S4: immersing the sol in a metal cation solution first, and then immersing the sol in an anion salt solution to obtain a standing product; and S5: freeze-drying the standing product to obtain a composite aerogel. The present application successfully constructs a three-dimensional porous aerogel dressing, which not only retains the strong hemostatic ability of clay, but also significantly enhances the mechanical strength and antibacterial performance, and exhibits great potential in the treatment of high-exudation complex wounds such as diabetic foot ulcers and infected wounds.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN)

Low-temperature open-pore porous ceramic and preparation method thereof

The invention discloses a preparation method of low-temperature open-pore porous ceramic. The method comprises the following steps: taking one of tailings, metallurgical slag or natural clay minerals as a framework material, taking water-soluble chlorine salt powder as a pore forming agent, and taking waste glass powder as a structural stabilizer; mixing the three components according to a set proportion, carrying out compression molding, and sintering at a temperature lower than 1000 DEG C to obtain a compact ceramic body; and immersing the porous ceramic into water to dissolve out chlorine salt, and drying to obtain the open-pore porous ceramic. According to the preparation method, the solution from which the chlorine salt is dissolved out is evaporated and crystallized, so that the pore-forming agent can be recycled, and recycling is realized. The porous ceramic with a stable structure is prepared at a low temperature, the process is simple, energy is saved, consumption is reduced, the pore-forming agent can be recycled, and the method has the advantages of being environmentally friendly and low in cost.
Owner:NANJING TECH UNIV

Granules for delayed release of active ingredients to plants or seeds

A particle for delayed release of an active ingredient to a plant or seed wherein the particle consists of a composite material comprising an active ingredient component and a clay component, the active ingredient component comprises a microbial cell extract or a mixture of at least one type of amino acid and one or more negatively charged ions and / or neutral molecules wherein the mixture comprises at least one type of positively charged amino acid, and the clay component comprises a montmorillonite clay mineral. The clay component forms a layered stack in the composite material, and the active ingredient component is interposed between individual clay layers in the stack.
Owner:KROPSISINE GMBH

Oily composition

PCT designated stageWO2026079120A1Cosmetic preparationsMake-upCelluloseClay minerals
The present invention addresses the problem of providing an oily composition that has excellent light spreadability, provides well-defined edges after application, ensures excellent gloss retention in the form of a cosmetic film, and has excellent transfer resistance. An oily composition that solves the problem of the present invention is characterized by containing (A) ethyl cellulose, (B) an organically modified clay mineral, and (C) 1-40 mass% of a phenyl-modified silicone.
Owner:KOSE HOLDINGS CORP

Method for improving fluidity of crude oil based on reservoir clay mineral components

The invention belongs to the technical field of application for improving the recovery ratio of crude oil, and particularly relates to a method for improving the fluidity of crude oil based on reservoir clay mineral components. A method for improving the fluidity of crude oil based on reservoir clay mineral components comprises the following steps that a reservoir clay activating agent is pumped into an oil layer, and the pumping volume is V; pumping the clay modifier into the oil layer, wherein the pumping volume is 1-5 times V; pumping the reservoir in-situ clay modified stabilizer into an oil layer, wherein the pumping volume is 1-3 times V; and after the well is closed for 2-7 days, the well is opened for production. According to the method, clay mineral components contained in the reservoir are utilized, the reservoir clay activating agent, the clay modifying agent and the reservoir in-situ clay modifying stabilizer are sequentially added, the nano-particles capable of improving the fluidity of the crude oil are generated through in-situ modification, the viscosity reduction effect is achieved after the nano-particles enter the crude oil, the cost is low, operation is easy and convenient, and the viscosity of the crude oil can be reduced by 30% or above.
Owner:PETROCHINA CO LTD