11 results about "Clinoptilolite" patented technology

The application discloses a preparation method of a specific adsorption material for solving heavy metal endogenous pollution in water bodies. The specific ecological adsorption material is mainly made of ecological materials such as chitosan, natural clinoptilolite and specific adsorption material for specific pollutants in specific areas, and has the function of treating various endogenous pollutants in river channels. The specific ecological adsorption material uses natural clinoptilolite to enhance the mechanical strength of the chitosan hydrogel material, so that it can still maintain a stable cross-linked network structure under the action of a certain hydraulic intensity and external force, and provides a loading site for the specific adsorption material for specific pollution. The chitosan and natural clinoptilolite in the specific ecological adsorption material have strong fixing capacity for heavy metal pollution, and in addition, the natural clinoptilolite also has strong adsorption performance for organic pollutants such as ammonia and nitrogen; and the loading of the specific adsorption material can realize targeted removal of certain pollutants in the environment.

The application discloses a high-efficiency wastewater mercury removal agent and a preparation method thereof, belongs to the field of wastewater mercury removal, and comprises 20-50 parts of inorganic particles, wherein the inorganic particles are at least one of bentonite, zeolite or molecular sieve, the surface of the inorganic particles is chemically modified by using 1-5 parts of a silane coupling agent, and then the surface is adsorbed by 1-10 parts of an organic thioamide reagent; the bentonite is calcium-based bentonite or sodium-based bentonite with a blue absorption capacity of 40-50 g / 100 g and an expansion ratio of 20-40, the zeolite is clinoptilolite or mordenite, and the molecular sieve is 3A or 4A molecular sieve; the silane coupling agent is at least one of gamma-aminopropyl triethoxysilane, gamma-glycidyl ether oxygen propyl trimethoxysilane, methacryloyl trimethoxysilane, 2-(3,4-epoxy cyclohexyl) ethyl trimethoxysilane and 3-mercapto propyl trimethoxysilane; and the organic thioamide reagent is one or both of thiosemicarbazide and dithizone.

The application discloses a self-supporting carbon dioxide capture monolith structure, belonging to the field of direct air capture (DAC) technology, and solves the problems of large pressure drop, low heat transfer efficiency and the need for additional fixing structure of a traditional powder adsorbent. The monolith structure comprises a composite matrix, the composite matrix containing an adsorbent material, a gradient heat transfer layer and a multi-channel structure: the adsorbent material is composed of clinoptilolite, kaolin and a methyl cellulose binder; the gradient heat transfer layer is formed by depositing copper powder in the adsorbent material, the copper content increasing from the outer wall to the core direction, realizing directional heat transfer of carbon dioxide adsorption-regeneration cycle; and the multi-channel structure penetrates through the composite matrix, providing a low pressure drop air flow path. The monolithic design has self-supporting capability, does not need additional fixing structure, can integrate a heating element to assist regeneration of the adsorbent material, can efficiently complete adsorption-regeneration cycle, provides a low pressure drop carbon dioxide adsorption capture solution for the DAC field, the material is natural, non-toxic and easy to handle, and has outstanding application value.

This invention discloses a Zisha mineral water filter, made from 60% Zisha clay, 20% tourmaline powder, 15% maifanite powder, and 5% clinoptilolite powder. The process involves vacuum refining, aging, molding, air-drying, and high-temperature sintering at 850℃ to produce mineralized ceramic blocks. The product can be directly placed in water cups or teapots, transforming tap water into weakly alkaline, small-molecule cluster active water (pH 7.4–8.2) within 10 minutes, dissolving beneficial minerals without heavy metal leaching. It is resistant to boiling water, does not pulverize, and does not cloud the water, with a service life of 6–12 months. This invention features a stable, safe, and convenient process suitable for daily drinking water, solving the problems of traditional filter media's single function, poor stability, and insufficient safety. It is suitable for healthy drinking water in homes and offices.

The invention provides a 180 DEG C resistant saturated salt soilless phase water-based drilling fluid as well as a preparation method and application thereof, and belongs to the technical field of drilling fluids. The 180 DEG C resistant saturated salt soilless phase water-based drilling fluid is prepared from the following raw materials in parts by mass: 100 parts of water, 0.2-0.4 part of a pH regulator, 2-3 parts of a tackifying filtrate reducer, 1-5 parts of a high-temperature protective agent, 3-6 parts of clinoptilolite, 10-20 parts of fly ash, 1-3 parts of modified polyurethane fiber, 3-6 parts of emulsified asphalt and 1-2 parts of a lubricant RH-3. The soil-phase-free water-based drilling fluid can resist the temperature of 180 DEG C, can resist the salt to be saturated, has good rheology and filtrate loss reduction performance under high-temperature and high-salt conditions, is suitable for deep salt-gypsum stratum drilling, guarantees deep drilling safety, and has a good application prospect.

The utility model discloses a riverway biological membrane and relates to the technical field of riverway water purification. The riverway biological membrane is used for being laid at the bottom of a desilted riverway, the riverway biological membrane has the length in the extending direction of the riverway, the upper surface of the riverway biological membrane is concave and convex alternately in the length direction of the riverway biological membrane, and the riverway biological membrane comprises a first porous structure layer and a second porous structure layer which are laid from top to bottom; the second porous structure layer is provided with a lower surface matched with the river bottom, the first porous structure layer is composed of a plurality of pebbles, and the second porous structure layer is formed by mixing a plurality of limestone macadam, a plurality of volcanic rocks and a plurality of clinoptilolite. The device can continuously and effectively solve the problem of black and odorous water in the river channel, and the self-purification capacity of the water in the river channel is improved.

This invention discloses a self-forming X-type molecular sieve foam material, its preparation method, and its application, belonging to the field of green synthesis of molecular sieve foam materials. The preparation involves: 1) mixing calcined and activated metakaolinite and clinoptilolite powder to obtain a solid raw material, controlling the SiO2 / Al2O3 molar ratio to be 2.2-4; 2) mixing the solid raw material with an 8-12 mol / L sodium hydroxide solution at a mass ratio of 0.64-1.4:1; subsequently adding a foaming agent, stirring evenly, pouring into a mold, sealing, and crystallizing at 70-100℃ for 16-24 hours to obtain the self-forming X-type molecular sieve foam material. This invention utilizes only natural minerals, without adding chemical reagents as the silicon-aluminum source, to obtain a self-forming X-type molecular sieve foam without binders. This effectively avoids problems such as pore blockage, dilution of effective sites in the molecular sieve, and limited transport of guest molecules. Furthermore, it effectively utilizes natural minerals, reduces costs, and promotes industrial application.

The application provides an anti-180 DEG C saturated salt soil-free water-based drilling fluid and a preparation method and application thereof, and belongs to the technical field of drilling fluids. The anti-180 DEG C saturated salt soil-free water-based drilling fluid comprises the following raw materials in parts by mass: water 100 parts, a pH regulator 0.2-0.4 parts, a viscosity-increasing and filtration-reducing agent 2-3 parts, a high-temperature protective agent 1-5 parts, clinoptilolite 3-6 parts, fly ash 10-20 parts, modified polyurethane fiber 1-3 parts, emulsified asphalt 3-6 parts, and lubricant RH-3 1-2 parts. The soil-free water-based drilling fluid provided by the application has a temperature resistance of 180 DEG C, a salt resistance of saturation, good rheological and filtration-reducing properties under high-temperature and high-salt conditions, is suitable for deep salt-gypsum stratum drilling, guarantees deep drilling safety, and has a good application prospect.

The present invention relates to a method of priming a plant against biotic and / or abiotic stress factors comprising the step of treating said plant or parts thereof with an aqueous composition comprising particles, wherein the particles have a particle size D98 of less than 30 pm, wherein the particles are obtainable by a method comprising the steps of : a) crushing a raw material comprising clinoptilolite, and b) subj ecting the crushed material of step a) to elutriation to obtain the particles.

The invention relates to the technical field of zeolite materials, and particularly discloses modified clinoptilolite capable of increasing the ammonium absorption value and a preparation method of the modified clinoptilolite. The method comprises the following steps: by taking clinoptilolite as a raw material, mixing the clinoptilolite with kaolin, industrial salt, sodium hydroxide and water, feeding the mixture into a reaction kettle, heating, stirring and reacting, and subsequently dehydrating, washing, carrying out filter pressing and drying to obtain the modified clinoptilolite. The modified clinoptilolite is of an octahedral structure, micropores are increased, the surface area is increased, the ammonium absorption value of the modified clinoptilolite is increased to 380 mmol / 100 g or above from 148 mmol / 100 g before modification, the adsorbability of the modified clinoptilolite is greatly improved, and the modified clinoptilolite has good application prospects in the fields of building indoor decoration materials, building coatings, concrete, cement, waste gas and waste water treatment and the like.

This invention discloses a nanocomposite biodegradable film for composting mulch and its preparation method. The film comprises, by weight, 40-55 parts PBAT, 40-55 parts PLA, 0.3-2 parts PLA-g-MA, 2-6 parts organically modified montmorillonite, 1-3 parts carboxyl-functionalized nano-silica, 1-4 parts alkylsilane-modified clinoptilolite, and 0.5-1.5 parts chain extender. In the film, the PBAT and PLA phases form a co-continuous structure. The organically modified montmorillonite is enriched in the PLA phase to form gas-blocking channels, while the carboxyl-functionalized nano-silica and alkylsilane-modified clinoptilolite are enriched in the PBAT phase to construct moisture-permeable channels and ammonia chemical trapping sites, respectively. The preparation method employs a two-step masterbatch process to ensure selective distribution of the filler phases, and a film with a thickness of 30-45 μm is obtained through blown film forming. The film of this invention has good gas barrier properties, water vapor permeability, selective ammonia barrier ability and mechanical properties. It is suitable for use in the entire life cycle of composting and can be degraded and returned to the field after composting.