312 results about "Illite" patented technology

The invention relates to a passivator for remediation of farmland soil subjected to combined pollution of heavy metals such as cadmium, chromium, copper and nickel, and a preparation method and a use method of the passivator. The passivator is prepared from a passivator A and a passivator B, wherein the passivator A is prepared from montmorillonite, kieselguhr, sepiolite, illite and ferrous sulfate; the passivator B is prepared from periclase, calcite, calcium magnesium phosphate fertilizer, plant ash and calcium hydroxide; the passivator is suitable for the farmland soil subjected to the combined pollution of the cadmium, the chromium, the copper and the nickel, and is prepared from the multiple different porous absorption materials with specific contents and a passivation material; the components of the passivator have complementary advantages, and the principles such as absorption and stabilization are combined; the combination forms of the heavy metals are effectively enhanced by ion exchange, complexing, chelating and adsorption methods, and the combination forms are converted into more stable strong organic binding states and residue states, so that the effective state contents of the heavy metals in the farmland soil are effectively reduced, and the passivation effect is long-acting and stable; therefore, the passivator has a great repair effect for the farmland soil subjected to combined pollution of the cadmium, the chromium, the copper and the nickel.

The invention relates to a preparation method of a TiO2/illite inorganic UV-blocking agent, which belongs to the technical field of a novel mineral functional material. The method fully uses high reflecting rate and surface charge of illite, and takes high-purity illite as a raw material, in a titanium sulfate hydro-thermal system, full dispersion and composition of nano-level TiO2 on the surfaceof illite are realized, and the problems of easy agglomeration and poor adhesive force of the nano TiO2/illite inorganic UV-blocking agent can be solved. The method can obviously reduce the productioncost, the process flow is simple, calcining is not required for products, the energy consumption is low, the obtained composite powder has good water phase dispersibility, and has good UV-blocking performance, and the TiO2/illite inorganic UV-blocking agent can be widely used for the fields of textile finishing and protection of a high-molecular material having high weatherability requirement such as an exterior coating.

The invention discloses a roller coating type diatom ooze environment-friendly interior wall powder material and a preparation method thereof. The material is prepared from, by mass, 30 parts of diatomite, 15 parts of coarse whiting powder, 8 parts of titanium dioxide, 0.3 part of antifoaming agent, 5 parts of white cement, 4 parts of attapulgite, 5 parts of kaolin, 10 parts of talcum powder, 5 parts of illite, 0.4 part of mildew preventive, 15 parts of sepiolite, 0.3 part of wood fibers and 2 parts of natural inorganic mineral pigments. The attapulgite and kaolin form a binding agent. The material can improve the usability of a diatom ooze product, the construction performance of the material is improved to the maximum extent, meanwhile, the health performance of the product is improved, the concentration of indoor negative oxygen ions is improved, the material has an extremely strong antibacterial effect and can adsorb and decompose multiple kinds of harmful heavy metal, formaldehyde benzene VOC and other harmful gases in indoor air, the lasting performance of formaldehyde purification is improved, the catalytic ability of the product at normal temperature and even low temperature is improved, and indoor air quality is effectively improved.

The invention discloses a high-strength and high-flexible acid electrode for ships, belonging to the technical field of welding materials and welding. The high-strength and high-flexible acid electrode comprises a welding core and a coating, wherein the welding core is H08A steel; and the coating comprises the following components in mass percentage: 15-45 of reduced ilmenite, 3-30 of rutile, 6-30 of marble, 3-20 of illite, 3-10 of sericite, 1-10 of mica, 5-15 of mid-carbon fe-mn, 0.1-6 of aluminum, 0.05-6 of magnesium, 0.5-3 of ferrosilicon and 1-5 of cellulose. By adopting a manganese and aluminum-magnesium-silicon combined deoxidation mode, the oxidation of manganese is reduced, thereby improving the efficiency of manganese as an alloy agent being transmitted to a welding seam; and the usage amount of manganese and the material cost in the coating are decreased and the manganese content in welding fly dust is reduced, thereby decreasing the toxicity of the welding fly dust, protecting the health of a welder and saving the manganese resources at the same time. The invention has excellent welding process property and excellent deposited metal and welded joint comprehensive property, and is particularly suitable for the steel plate 3Y-level welding seam welding and the assembly spot welding and repairing for DH36 and EH36 ships.

The invention discloses a template-free method for synthesizing a hierarchical pore ZSM-5 zeolite molecular sieve from illite. The method comprises the following steps: taking illite as a raw materialto obtain mesoporous silicon dioxide active silicon slag through acid pickling, wherein the purity of the active silicon slag is greater than 98%; and carrying out a reaction on the active silicon slag generated by pickling illite as a silicon aluminum source in a condition of adding an alkali source and regulating a rule ratio to obtain a hierarchical pore ZSM-5 zeolite molecular sieve catalyst.The method has the advantages of being short in synthetic period, low in synthetic cost, low in synthesized pollutant, high in catalytic ability of synthesized product and the like.

The invention relates to a spherical illite mesoporous composite material, a preparation method of the spherical illite mesoporous composite material, a spherical illite mesoporous composite material prepared with the method, a supported catalyst comprising the spherical illite mesoporous composite material, a preparation method of the supported catalyst, a supported catalyst prepared with the method, an application of the supported catalyst in a ketalation reaction, and a method for preparing cyclohexanone glycerol ketal with the supported catalyst. The spherical illite mesoporous composite material comprises illite, a mesoporous molecular sieve material with a three-dimensional cubic pore structure, and a mesoporous molecular sieve material with a hexagonal pore structure. When the supported catalyst prepared with the spherical illite mesoporous composite material as a carrier is applied in the ketalation reaction, the conversion rate of reaction raw materials can be substantially improved.

The invention relates to a high performance electric ceramic, which is prepared from the following raw materials by weight: 3-9 parts of kaolin, 6-10 parts of illite powder, 5-9 parts of hornblende powder, 3-8 parts of nano-tin dioxide, 3-8 parts of MuO2, 4-9 parts of borocalcite, 1-4 parts of alumina, 1-3 parts of yttrium oxide, 6-10 parts of silicon carbide, 5-9 parts of aluminate cement, 8-13 parts of composite silicon oxide powder, 6-10 parts of waste ceramic slag, 4-6 parts of barium oxide, 3-5 parts of clay, 7-10 parts of quartz, and 9-14 parts of talc. The high performance electric ceramic provided by the invention has good acid and alkali resistance, high rainwater corrosion resistance, also has good insulativity, and is low in cost.

A method for manufacturing of light ceramic proppants made from a mixture of raw materials that is mechanically granulated in a granulator or that is granulated in a spray dryer from a pourable ceramc mass, to obtain granulate having a granule size of 150-1700 μm (12-100 U.S. Mesh, ASTM E11-04, ISO 13503-2), and next the granulate is fired and the fired granulate is fractioned. The mixture of raw materials is prepared from: illite-beidellite-ka-olinite high-plastic clays of the Poznan series in the amount of 10% to 40% by weight; kaolinite clays in the amount of 10% to 45% by weight; kaolin in the amount of 20% to 40% by weight; fly ash from brown coal combusted in a power plant in the amount of 10% to 35% by weight; and treatment agents in the amount of up to 10% by weight. The mixture of raw materials is mixed and homogenized in a homogenizer, and the obtained granulate is fed to a fluidised bed dryer, in which it is dried to a moisture content below 3%, and the granulate is fired in a rotary furnace in a temperature from 1150° C. up to 1410° C. in time from 120 to 600 min, obtaining proppants which contain from 18% to 32% by weight of Al203, from 40% to 76% by weight of SiO₂, and have a specific gravity from 2.15 Mg/m³ to 2.90 Mg/m³ and a bulk density from 1.35 Mg/m³ to 1.70 Mg/m³, depending on the firing time.

The invention discloses a preparation method of nano zero-valent iron loaded magnetic nano illite-montmorillonite clay. The preparation method includes following steps: (1), adding deionized water into nano illite-montmorillonite clay to obtain a stable suspension; (2), adding ferric trichloride hexahydrate into the suspension, adding anhydrous alcohol, and ultrasonically stirring to obtain a precursor solution; (3), preparing sodium borohydrate or potassium borohydrate solution, and dropwise adding the solution into the precursor solution in a nitrogen atmosphere; (4), using a magnet for gathering to obtain a product, and washing; (5), performing vacuum drying and grinding on the product to obtain nano zero-valent iron loaded magnetic nano illite-montmorillonite clay powder. The invention further discloses the nano zero-valent iron loaded magnetic nano montmorillonite clay prepared by the method and application thereof. The nano zero-valent iron loaded magnetic nano illite-montmorillonite clay prepared by the method has high reaction activity and has remarkable treatment effect on wastewater containing hexavalent chromium, and an outer magnetic field can be utilized for separation after treatment is finished.

The invention discloses a method for efficiently releasing potassium from acid-leached illite by the aid of microwaves. The method includes the steps: (1) performing flotation and purification on illite raw ores and then grinding the illite raw ores into powder; (2) uniformly mixing acid and illite powder according to a certain proportion; (3) placing mixed materials into a microwave hydrothermaldigester and irradiating the materials at the system temperature of 120-190 DEG C for 5-30 minutes; (4) subsequently treating filtrate. The solid-to-liquid ratio of the illite to the acid is 1:(1-10)mL/g. Illite raw materials are wide in source, early-stage activation is omitted, potassium can be deeply released in an environment of microwave irradiation and acid leaching after flotation and purification, potassium releasing rate is higher than 90%, potassium dissolution rate reaches up to 98% in irradiation in a stepped interval progressive mode, high-purity white carbon black (purity is higher than 95% and iron content is lower than 0.5%) can be acquired by aluminum and iron removal, the average crystallization rate of potassium chloride crystals is 60%, and the purity of the potassium chloride crystals is 85%.

The invention provides illite-based composite titanium dioxide and a preparation method thereof. The composite titanium dioxide is obtained by coating the surface of illite with nano titanium dioxide particles, and is prepared from the following components in parts by weight: 60-80 parts of illite, 15-35 parts of titanium dioxide and 0.5-5 parts of dispersing agents. The preparation method comprises the steps of depositing, washing and filtering and calcining. The prepared composite titanium dioxide has the characteristics of low cost, high whiteness, strong covering power, low oil absorption and low water-soluble salt value.

The invention discloses a method for microwave synthesis of a ZSM-5 molecular sieve through illite and belongs to the technical field of inorganic nonmetallic materials. The method comprises the following steps: (1) mixing and activating illite and alkali, thereby obtaining alkali burned illite; (2) mixing the alkali burned illite with an acid solution and performing acidizing treatment; (3) mixing the preprocessed illite with a template agent and distilled water, and performing microwave crystallization for 5min-2h at 100-150 DEG C, thereby obtaining a crystallized product; and filtering, washing and drying the crystallized product, thereby obtaining the ZSM-5 molecular sieve. The method can solve the problem of additional silicon source and aluminum source required by the process of synthesizing the zeolite molecular sieve through illite, and can overcome the defects of high energy consumption and serious pollution of the traditional hydro-thermal synthesis method.

The invention relates to a method for preparing a nano-sized kaolinite from kaolin. The method comprises: (1) crushing and baking kaolin to obtain baked kaolin powder; (2) mixing the baked kaolin powder, strong ammonia liquor and water, such that a slurry is obtained; (3) placing the slurry into a pressure reaction vessel for a hydrothermal crystallization reaction; (4) carrying out a solid-liquid separation upon the slurry, washing and drying the slurry, such that ammonium illite sheets are obtained; (5) baking ammonium illite to obtain alumina silicate sheets; (6) mixing alumina silicate and water into a slurry, and placing the slurry into a pressure reaction vessel for a hydrothermal crystallization reaction; (7) carrying out a solid-liquid separation upon the slurry, washing and drying the slurry, such that nano-sized kaolinite is obtained. According to the present invention, cheap kaolin is adopted as a raw material, and ammonium illite sheets are produced through a crushing-baking-hydrothermal treating method. Therefore, difficulties in synthesizing ammonium illite are reduced, preparation technologies are simplified, and alumina silicate and nano-sized kaolinite with specific surface areas exceeding 150m<2>/g are prepared.

The invention provides a formula and a preparation method of a glaze for an extra-high voltage porcelain insulator, wherein the raw materials of the formula comprise, by weight, 20-33 parts of quartz,10-18 parts of illite, 10-15 parts of semi-mountain clay, 10-15 parts of zirconium silicate micro powder, 4-7 parts of white corundum micro powder, 1-5 parts of nanometer silicon dioxide, 3-6 parts of wollastonite, 1-2 parts of barium carbonate, 7-12 parts of Zuoyun soil, 5-7 parts of manganese oxide, 1-2 parts of iron oxide, 1-2 parts of chromium oxide, 3-5 parts of antimony oxide, 2-8 parts ofsepiolite powder and 2-8 parts of bentonite. The preparation method comprises: preparing nanometer silicon dioxide composite modified sepiolite powder, preparing a solid solution, carrying out wet ball milling, and adjusting the specific gravity of glaze slurry. According to the invention, with the glaze obtained by the formula and the method, the insulator has excellent stain resistance and excellent voltage sharing performance, further has substantially improved mechanical performance and substantially improved electrical performance, and is suitable for extra-high voltage direct current power transmission systems.

The invention relates to an illite loaded nanocarbon compound adsorbing material and a preparation method thereof and belongs to the field of non-metallic mineral material and environmental engineering. According to the invention, illite is taken as a carrier, soluble saccharide is taken as a carbon source and nanocarbon grains are uniformly loaded on the surface of an illite layer, so that the nanocarbon compound adsorbing material taking illite as the carrier is obtained. In the prepared illite loaded nanocarbon compound adsorbing material, the average grain diameter of the nanocarbon grains is 30-50nm, the nanocarbon grains are uniformly and compactly distributed on the surface of the illite layer and the load volume is 30%-70% of the mass of the compound material. According to the material, the illite carrier effect is utilized to increase the adsorbing capturing performance of the compound material to the pollutant and the dispersity of the adsorbent; the obtained raw materials are easily acquired and are low in cost; the preparation technique is simple and the reaction condition is mild; the illite loaded nanocarbon compound adsorbing material has higher application value in the field of wastewater treatment.

The water absorbing and maintaining composite material consists of water soluble unsaturated ethylene monomer, illite-clay mineral in the amount of 2-300 wt% of the ethylene monomer, and water soluble free radical polymerization initiator in the amount of 0.001-1 wt% of the ethylene monomer. The preparation process includes adding illite-clay mineral into 5-50 % concentration water soluble unsaturated ethylene monomer solution with water soluble free radical polymerization initiator or water soluble free radical polymerization initiator and crosslinking agent, dispersing, heating to 20-90 deg,c for polymerization of 1-10 hr, drying of the polymerized product at 40-150 deg.c and crushing mechanically to obtain grain product. The water absorbing and maintaining composite material has low cost, high absorption to calcium and magnesium ion aqua and high salt tolerance, and is suitable for use in agriculture and forestry.

This invention relates to a super hydrating composite and its preparation. A super hydrating composite, its characteristic is that it mainly consist of fly ash, illite, acrylic acid, acrylamide, hydroxide solution, water-solubility radical polymerization initiator and cross linking agent raw material, the addition quality of fly ash is 20%-60% of acrylic acid, the addition quality of illite is 20%-60% of acrylic acid, the addition quality of water-solubility radical polymerization polymerization initiator is 0.01%-1% of acrylic acid, the addition quality of acrylamide is 5%-60% of acrylic acid, the addition quality of cross linking agent is 0%-0.5% of acrylic acid, the addition quality of hydroxide solution is that neutralization degree is 40-100 mole percentage after neutralizing acrylic acid; The stated fly ash is grinded by vibration milling to make mean diameter be 5.0-15.0 mum,illite is grinded by vibration milling to make mean diameter be 5.0-15.0 mum. The characteristics of invented product are super hydrophilia, high potassium content, low cost, environment compatibility is better than sodium polyacrylate super hydrating resin.

The invention discloses a method for preparing high-adsorption ceramsite by using biochar. The method comprises: drying biomass waste, crushing, carrying out oxygen limited pyrolysis for 1-5 h at a temperature of 200-600 DEG C, cooling to a room temperature to obtain biochar, completely mixing biochar and any one or more than two selected from biogas residue powder, kaolin powder, illite, chlorite, dolomite powder, biogas residue powder, montmorillonite, bentonite powder, diatomite powder and perlite powder, stirring, granulating, roasting for 0.1-3 h at a temperature of 500-1200 DEG C, cooling, breaking, and screening to obtain the high adsorption ceramsite. According to the present invention, the high-adsorption porous biochar ceramsite with stable chemical properties can be obtained bycarrying out mixed sintering on biochar, kaolin and the like; and with the method, the pore structure of ordinary ceramsite is optimized, the ion exchange capacity is improved, the adsorption of conventional ceramsite is enhanced, and the obtained product can be efficiently used in the fields of sewage treatment, soil improvement, environmental restoration and the like.