32 results about "Stilbite" patented technology

The preent invention is zeolite deiodination adsorbent with high silver carrying amount for eliminating iodide in acetic acid and its preparation process. The adsorbent is superior to available ones, which are high in cost and have complicated production process. The adsorbent of the present invention is prepared with one kind of natural mineral ziolite, named stilbite, and through denaturing and cationic exchange. It has silver carrying amount up to 26%, and may be used in eliminating organic iodide, inorganic iodide and molecular iodine.

The invention belongs to the technical field of chemical adsorbent, and specifically relates to modified natural stilbite used as a methane adsorbent, and a preparation method thereof. According to the invention, natural STI zeolite is adopted as a raw material, and is subject to ammonium solution exchange, such that NH4-STI zeolite is obtained; the NH4-STI zeolite is subject to high-temperature steam processing, such that H-STI zeolite is obtained; the H-STI zeolite is subject to magnesium ion exchange, such that magnesium-type STI (Mg-STI) zeolite is obtained. Methane adsorption capacity of the absorbent can reach 21.5mL/g, and a methane/nitrogen separation coefficient of the absorbent is higher than 3, such that the adsorbent can be adopted as an excellent high-efficiency methane adsorbent. Natural mineral resources adopted in the invention are advantaged in high grade, abundant reserves, and low exploitation cost. Also, the STI zeolite methane adsorbent preparation method is advantaged in simple technology and relatively low cost. The absorbent has a wide application prospect in gas separation and extraction in coal mines.

The invention is a kind of high intensity compound zeolite deiodination sorbent and preparation method. The sorbent is prepared from a kind of natural mineral zeolite - stilbite (its Chinese code name is CXN, its English code name is STI, and its scientific name is stilbite); through positive ion exchange produce H-STI, mix with artificial compounded commodity H-ZSM-5 zeolite, add cementing agent to molding, after strengthening process, then through silver carrying to produce. The small ball of the sorbent of 1 mm diameter can get 40 Newton per grain. The sorbent can effectively eliminate the organic iodide, inorganic iodide and idodine molecule in the car-bonyl compounded products.

The invention belongs to the field of building decorative material artificial synthesized stones, and particularly relates to a method of using tremolite minerals to prepare jade building materials, which mainly solves the problem of serious waste of tremolite and diopside minerals. The technical scheme includes that the method of using the tremolite minerals to prepare the jade building materials uses, by weight, 50-98 parts of base materials, 1-20 parts of polymers and 0-1 part of filler to prepare jade building material products by means of a base material shaping procedure, a material combination and arrangement procedure, a vacuum vibration procedure, a saw cutting procedure, a filling procedure and a grinding and polishing procedure. The method adopts various peculiar materials to combine and prepare the jade building materials, is reasonable in process, provides an approach of transforming precious minerals such as tremolite and the like to high-end building materials and furniture products, and provides a feasible scheme for upgrade of artificial synthesized stone industry and products.

According to the invention, natural stilbite (STI) grain is taken as a raw material; the natural stilbite grain is roasted after ammonium exchange, so that the stability of zeolite is promoted; after cation exchange, the grain in 20-40 mesh is formed; and the adsorption property for volatile organic compound in the exhaust gas, such as, nitrosamine, can be promoted. The modified natural stilbite (STI) grain is added into cellulose acetate tow of a filter tip, so that a special compound filter tip for removing the harmful ingredients, such as, voltatile nitrosamine in the mainstream exhaust gas, can be prepared and the preferential adsorption for the nitrosamine in the mainstream exhaust gas can be detected. The natural STI zeolite adopted in the invention is rich in reserve volume; the mining cost is low; the preparation method is simple; the investment in industrialization is less; the production cost is low; and the natural stilbite adsorbent, as the adsorbent for the harmful materials in tobacco, has excellent application prospect.

The present invention discloses one kind of modified red stilbite water cleaning agent. The water cleaning agent is produced through the following steps: crushing red stilbite and mixing with Mg containing compound and Al containing compound; adding alkali solution into the mixture to obtain mixture colloid of pH 6-8; and drying and crystallizing the mixture to obtain the modified red stilbite water cleaning agent. The modified red stilbite water cleaning agent is used in treating domestic sewage and has COD eliminating rate higher than 75 %, toxic matter Cr ion eliminating rate higher than 95 %, being 2 times and 8 times higher compared with un-modified red stilbite water cleaning agent.

The invention discloses heat insulation cement. The heat insulation cement comprises the following raw materials in parts by weight: 113-115 parts of limestone, 3-5 parts of gypsum powder, 3-5 parts of dolomite, 12-14 parts of clay, 9-11 parts of river sand, 1-3 parts of apophyllite, 1-3 parts of stilbite, 6-8 parts of fly ash, 2-4 parts of rhodonite, 7-13 parts of siderite stone, 5-6 parts of slag, 10-13 parts of calcium carbonate, 8-10 parts of starch, 2-5 parts of asbestos wool and 2-5 parts of methylcellulose. By adding the combination of apophyllite, stilbite and rhodonite, the microstructure of the traditional cement is changed, and a second phase with excellent heat insulation performance is formed; the structural strength of the cement after hardening is improved by dispersion strengthening; in addition, the heat insulation effect of the cement is further improved by adding the materials of fly ash, gypsum and asbestos wool with low thermal conductivity.

The invention discloses tiles capable of purifying air and a preparation method therefor. The tiles are prepared from the following raw materials in parts by weight: 16-28 parts of stilbite, 20-30 parts of pseudo-boehmite, 14-26 parts of opal shale, 11-20 parts of sericite, 17-29 parts of silica micropowder, 15-25 parts of cement slag, 22-33 parts of pandermite, 5-12 parts of sodium metaaluminate, 10-20 parts of palygorskite, 13-24 parts of ardealite, 19-31 parts of high-magnesium-content phosphate tailings and 12-21 parts of halloysite slag. According to the tiles capable of purifying the air and the preparation method therefor, the tiles prepared from the mineral raw materials such as the stilbite, the opal shale, the palygorskite and the halloysite slag have excellent adsorption performance and can be used for effectively removing indoor off odors and various harmful gases, irritant gases such as benzene, formaldehyde, ketone and ammonia volatilized from decorative materials used during interior finishing and off odors harmful to human such as leftover acid smells and smoke in daily lives, so as to play a role in excellently purifying the air.

The invention relates to a modified epidesmine rubber reinforcement additive and preparation method thereof, which is made from epidesmine raw ore processed by washing, crashing, hydrochloride immersion, calcium oxide neutralization, washing, drying and packing. The advantages of the invention are specific surface and compatibility of the epidesmine are improved after being modified, surface adsorbing power are enhanced, the epidesmin is easy to fill in the rubber mesh organization, the rubber is easier to get into the bee-like structure, and the processing performance and physical property of the rubber can be enhanced. The rubber reinforcement made from the additive has tension strength at break which is increased from 7.23MPa to 10.6MPa, even higher, and hardness from 76 to 82,.

The invention belongs to the technical field of chemical adsorbents and specifically relates to a modified natural stilbite used as a hollow glass adsorbent and a preparation method thereof. As a raw material, natural STI zeolite undergoes ammonium solution exchange to obtain NH4-STI zeolite. Then, NH4-STI zeolite undergoes high temperature calcination to obtain H-STI zeolite. Hygroscopicity of the zeolite at relative humidity of 75.1% can reach 15.3%. The zeolite can be used as an excellent high-efficiency hollow glass adsorbent. Natural mineral resources used in the invention have advantages of high grade, abundant reserves and low exploitation cost. Simultaneously, the method for preparing the STI zeolite hollow glass adsorbent is simple and requires low cost. The modified natural stilbite used as the hollow glass adsorbent has a very wide application prospect in the field of building materials.

The invention belongs to the technical field of medicine, and particularly relates to an iodine-supported skin bactericide and an iodine supporting method. The iodine-supported skin bactericide is formed by supporting iodine on a modified natural mineral zeolite molecular sieve which is used as a supporter. The iodine accounts for 1-15 wt% of the supporter. The supporter comprises STI stilbite, MOR mordenite and HEU clinoptilolite. The iodine supporting method is implemented by supporting the simple substance iodine in a vapor phase or supporting the iodine from an iodine-containing KI water solution. The iodine-supported skin bactericide can take effect quickly and can not burn the skin to cause pains when in use. The iodine-supported skin bactericide can be prepared into powder or granules. The iodine-supported skin bactericide is safe, reliable, green and environment-friendly, and is convenient for abundant storage, carrying and transportation. The production technique of the bactericide is simple, and the process is green and environment-friendly.

The invention provides a strong-effect antibacterial wear-resistant brush wire and a preparation method thereof, and relates to the technical field of plastic brush wire processing. The strong-effectantibacterial wear-resistant brush wire is prepared by the following raw materials in parts by weight: 18-22 parts of polypropylene resin, 12-16 parts of phenolic resin, 8-10 parts of low density polyethylene resin, 2-3 parts of trimesic acid, 1-2 parts of activated alumina, 1-3 parts of shell activated carbon, 2-4 parts of nano titanium dioxide, 2-3 parts of N,N-dimethylacetamide, 2-3 parts of ethylenediaminetetraacetic acid, 1-3 parts of glass fiber, 2-3 parts of stilbite, 2-3 parts of an antibacterial agent, 1-2 parts of a toughening agent, and 2-3 parts of a crosslinking agent. Deficiencies of the prior art are overcome, mixed preparation of various raw materials is adopted, the antibacterial property of the brush wire is effectively improved, and damage caused by bacterial aggregationon the brush wire is prevented. At the same time, wear resistance of the brush wire is improved, the service life of the brush wire is enhanced, and economic benefits are improved.

The invention provides a tremolite jade laminated composite material comprising a tremolite jade sheet having a mohs hardness of over 6.0, a basal plate and a bonding agent by which the tremolite jade sheet is fixed on the basal plate and a method for producing the same. In the tremolite jade laminated compositematerial, the thickness of the tremolite jade sheet is 0.5 to 5.0 millimeters; and the basal plate may be made of organic materials, inorganic materials, wooden materials or a composite of the materials. The tremolite jade laminated composite material can be used as building materials, decorative materials, furniture materials and the like.

The invention discloses a novel adhesive which comprises a bonding agent and a mineral composition, wherein the mineral composition comprises 10 to 20 weight percent of calcium carbide, 20 to 40 weight percent of monazite, 12 to 22 weight percent of stilbite, 13 to 30 weight percent of chabazite, and 15 to 25 weight percent of potassium feldspar. The content of the bonding agent is 2 times higher than that of the mineral composition. In the composition of the invention, the monazite enhances the emission of negative ions and far infrared rays from the calcium carbide obviously, so the negative ions and the far infrared rays which are released by the calcium carbide can be controlled within a preset range by mixing the calcium carbide with the monazite appropriately. Moisture contents are controlled and various organic compounds are removed by adding alumina. Potassium feldspar with antimicrobial properties is further added, so the comfortable dwelling environment can be maintained.

The invention belongs to the technical field of natural stilbite, and provides an application of natural stilbite in preparation of a CHA molecular sieve and a preparation method of the CHA molecular sieve. The invention provides a new application of the natural stilbite, and the resource utilization range of the natural stilbite isbroadened. The invention provides a preparation method of the CHA molecular sieve. The method comprises: mixing preparation raw materials and water to obtain a preparation raw material dispersion liquid, the preparation raw materials comprise natural stilbite and potassium hydroxide; mixing the prepared raw material dispersion liquid with CHA seed crystal to obtain precursor dispersion liquid; and carrying out static crystallization on the precursor dispersion liquid to obtain the CHA type molecular sieve. According to the preparation method provided by the invention, natural stilbite is taken as the raw material, so that the preparation cost of the molecular sieve is reduced; and meanwhile, the CHA molecular sieve obtained by the method has relatively high crystallinity.

The invention discloses sanitary ceramic engobe and a preparation method thereof. The sanitary ceramic engobe is prepared from potassium feldspar, quartz, stilbite, kaolin, calcite and titanium dioxide. The sanitary ceramic engobe has great color masking and defect repairing functions and is high in refractoriness, whiteness and uniformity and excellent in opacifying effect.

The invention discloses a preparation method of inner wall putty with a humidity regulation function. The method comprises the following steps of 1, weighing the following raw materials in parts by weight: 42 to 48 parts of white cement, 12 to 20 parts of mixing materials, 14 to 18 parts of modified kieselguhr, 6 to 10 parts of stilbite, 5 to 9 parts of silicon ash, 3 to 5 parts of steel slag powder, 4 to 8 parts of hollow dielectric silica microspheres, 3 to 5 parts of active carbon, 2 to 5 parts of oyster shell powder, 0.2 to 0.8 part of active activators and 12 to 18 parts of deionized water. The invention aims at providing the preparation method of the inner wall putty with the humidity regulation function. The inner wall putty is prepared from inorganic materials; green and environmental-friendly effects are achieved; meanwhile, an excellent humidity regulation function is realized.

The invention discloses a preparation method for chemical fertilizers addition agent with red stilbite, which comprises steps: 1. elutriating and smashing raw material to 60-120 items; 2. preparing separately ammonium-type and natrium-type stilbite with 10g stilbite and 100 mol 1M NH4Cl solution, and 10g stilbite and 100mol 1M NaCl solution; placing for eight hours at room temperature; clearing to remove chloride ion. The adsorption ability of the modified product to kalium increases 3~4 times. As addition agent, it can realize the fixing and release slowly to nitrogen, phosphor and kalium, improves fertilizer performance and soil environment.

The invention relates to a preparation method of a novel sub-mesoporous zeolite molecular sieve adsorbent. The preparation method comprises the following steps: step 1, preparing the sub-mesoporous zeolite molecular sieve adsorbent from natural stilbite mineral powder through structural stabilization modification; and 2, partially replacing calcium ions in the mineral powder obtained by mechanically crushing the natural stilbite through multiple times of cation exchange of a salt or dilute mineral acid aqueous solution, and heating to 350-600 DEG C for 1-2 hours to prepare the sub-mesoporous zeolite molecular sieve adsorbent. In the step 1, the natural stilbite is subjected to structure stabilization modification, so that the natural stilbite has relatively high methane adsorption capacityand nitrogen adsorption selectivity which are rarely possessed by zeolite molecular sieves with other structure types, and the natural stilbite is subjected to adsorption separation of small molecular gas or organic matters and removal of toxic and harmful molecules; the method has important industrial application prospects in the fields of chemical engineering and environmental protection such as concentration and enrichment of methane in coalbed methane and oilfield gas.