27 results about "Clinoptilolite" patented technology

The invention relates to the technical field of saline-alkali soil improvement, in particular to a compound conditioner for treating sulfate type saline-alkali soil and application of the compound conditioner. The compound conditioner is formed by compounding hydrotalcite, acidic zeolite and humic acid; wherein the hydrotalcite is nitrate intercalated MgAl-LDH or MgFe-LDH, and the molar ratio of divalent metal ions to trivalent metal ions of the hydrotalcite is (2: 1)-(4: 1); the acidic zeolite is clinoptilolite treated by a nitric acid solution; the humic acid is mineral source humic acid, and the purity of the humic acid is greater than 80%. The compound conditioner disclosed by the invention can mineralize Na < + > and SO4 < 2-> which are too high in content in saline-alkali soil, reduce the salt content and pH and prevent plants from osmotic stress and alkaline toxicity; the content of nitrate nitrogen and organic matters in soil is increased, and nutrient substances are provided for plants; the soil structure is improved, the water-retaining property and the air permeability are enhanced, the soil bulk density is reduced, and plant germination and root growth are facilitated.

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 invention relates to the technical field of heavy metal contaminated soil remediation, and particularly discloses a heavy metal contaminated soil conditioner and a preparation method and application thereof. The soil conditioner for repairing heavy metal pollution comprises a phosphate-zeolite eutectic melt inner core from inside to outside, and the eutectic melt is prepared by mixing monocalcium phosphate and clinoptilolite according to the mass ratio of 1: (2-3) and then roasting at the temperature of 340-360 DEG C; the ferrous sulfide functional layer is loaded on pores and the surface of the eutectic melt, and the mass of ferrous sulfide accounts for 10-15% of the mass of the eutectic melt; the potassium humate controlled release film coats the outermost layer, and the mass of the potassium humate controlled release film accounts for 5-8% of the total mass of the conditioner. Compared with existing soil remediation and conditioning agents on the market, the conditioning agent provided by the invention is high in thermal stability, wide in applicable pH range, not easy to biodegrade and more long-acting.

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.

A system and method for separating Kr gas from Xe gas utilizing natural clinoptilolite. The method includes separating Kr gas from Xe gas by selectively adsorbing Kr gas. The method includes providing a vessel comprising a Kr adsorbent bed comprising a natural clinoptilolite adsorbent. A feed gas comprising Kr gas and Xe gas is exposed to the Kr adsorbent bed for a residence time to selectively adsorb sufficient Kr gas from the feed gas to form a Xe enriched gas raffinate product. The Xe enriched gas raffinate product is removed from the vessel. Thereafter, the Kr adsorbent bed is regenerated to release a Kr enriched gas extract product.

The invention discloses a self-supporting carbon dioxide capture integral structure, belongs to the technical field of direct air capture (DAC), and solves the problems that a traditional powder adsorbent is large in pressure drop and low in heat transfer efficiency, needs an additional fixing structure and the like. The overall structure comprises a composite matrix, wherein the composite matrix comprises an adsorption material, a gradient heat transfer layer and a multi-channel structure; the adsorption material is composed of clinoptilolite, kaolin and a methyl cellulose binder; the gradient heat transfer layer is formed by depositing copper powder in an adsorption material, the copper content is gradually increased from the outer wall to the core, and directional heat transfer of carbon dioxide adsorption-regeneration cycle is achieved; the multi-channel structure penetrates through the composite substrate and provides a low-pressure-drop airflow path. The integral design has self-supporting capacity, does not need an additional fixing structure, can integrate a heating element to assist in regeneration of an adsorption material, can efficiently complete adsorption-regeneration cycle, provides a low-pressure-drop carbon dioxide adsorption and capture solution for the DAC field, and the material is natural, non-toxic, convenient to process and outstanding in application value.

The invention relates to clinoptilolite or a clinoptilolite-containing mineral mixture for use as a mineral wound covering for treating secondary-healing wounds of the skin and / or of underlying tissue, in particular chronic, poorly healing or non-healing wounds, wherein the clinoptilolite / the clinoptilolite-containing mineral mixture is comminuted in powder form or comminuted within a suspension.

Zeolites for extraction of heavy metals are given enhanced purification in a first method stage and further processed in a second method stage to form liquid and solid phases including swollen clinoptilolite fragments ranging from 200 to 2000 Daltons and formed as liposomes and usable to substantially reduce heavy metal ppm burdens for purposes of safe ingestion by mammals and reduction of heavy metal contaminants of gut, vascular and lymphatic systems of a mammalian host.

The invention relates to a pretreatment column in front of a reverse osmosis membrane for removing small molecular organic matters, the pretreatment column in front of the reverse osmosis membrane for removing the small molecular organic matters is filled with Xinjiang five-color bay zeolite ore and PACMC filler, clinoptilolite and mordenite in the Xinjiang five-color bay zeolite ore are closely symbiotic, and the cation exchange capacity value reaches 199.11 mmol / 100g; the average particle size of the PACMC filler is 142.9 microns, and the Xinjiang five-color bay zeolite ore and the PACMC filler are alternately filled into the pre-membrane pretreatment column; the pre-membrane pretreatment column is formed by connecting two stages of pretreatment columns in series, so that synchronous removal of small molecular organic matters and target cations is realized. The method is simple in equipment, high in purification treatment efficiency, simple and convenient to operate, low in investment, long in operation period and low in operation cost, can be used for membrane pretreatment of deep purification feed liquid of the RO membrane, and provides powerful guarantee for long-term stable operation of the RO membrane.

The invention discloses a preparation method and a treatment method of a modified zeolite for synchronously removing Mn<supgt;2+< / supgt; and ammonia nitrogen in mine water. First, natural clinoptilolite is impregnated in a sodium hexametaphosphate solution, and then solid-liquid separation, washing and drying are carried out to obtain a first material. After that, the first material is placed in a divalent manganese salt solution, the pH value is adjusted, and then a potassium permanganate solution is added. After water bath heating for a period of time, solid-liquid separation, washing and drying are carried out to obtain the modified zeolite for synchronously removing Mn<supgt;2+< / supgt> and ammonia nitrogen in mine water.

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 relates to the technical field of explosion suppression materials, and provides a mine gas explosion suppression material and a preparation method thereof. The gas explosion suppression material for the mine is prepared from, by weight, 3-5 parts of sodium bicarbonate, 2-3 parts of attapulgite, 1-2 parts of talcum powder, 2-3 parts of silicon dioxide, 1-2 parts of mica powder, 2-3 parts of zeolite and 40-50 parts of ammonium polyphosphate, and the zeolite is composed of clinoptilolite and mordenite. According to the technical scheme, the problem that the explosion suppression performance of the gas explosion suppression material for the mine is insufficient in the related technology is solved.

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.

The present invention relates to the technical field of wastewater treatment, and specifically relates to a wastewater treatment composition and a preparation method thereof. The wastewater treatment composition is composed of the following raw materials: steel slag powder, fly ash-zeolite composite, modified montmorillonite, lignosulfonate, SRB sulfate-reducing bacteria; wherein the fly ash-zeolite composite is made by hydrothermal reaction of a certain proportion of fly ash and natural clinoptilolite, and the modified montmorillonite is first loaded with sodium sulfate and then modified with quaternary ammonium salt. The wastewater treatment composition prepared by the present invention realizes deep removal of heavy metal ions, efficient treatment of organic matter and suspended solids, control of hydrogen sulfide gas release, and pH adjustment of acidic wastewater through multi-mechanism synergy among various components, and has the advantages of environmental friendliness, low cost and strong universality.

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 biostimulant product containing Iceland spar, having properties as a natural accelerator of biological processes for plants, water, soils and waste. The product contains Iceland spar between 80% and 95%, ground into particles with a particle size of 1 to 125 microns. This product further contains adjuvant minerals in a proportion between 5%-20%, ground into particles with a particle size of 1 to 125 microns, from among the following: Quartz [SiO2]; Clinoptilolite; [(Ca,K2,Na2)3(Si30AI6)O72-20H2O]; Phillipsite [(Na,K,Ca)1- 2(Si,AI)8O16• 6H2O]; Cristobalite [SiO2]; Clinochlore [(Mg,Fe)5Al(AISi3O10)(OH)8]; Chabazite [(Ca,K2,Na2)2[AI2Si4O12]2 • 12H2O]. Due to the foregoing, the present invention enhances photosynthesis in plants and the development of autochthonous bacterial colonies, which can be applied in the treatment of slurries, deseutrophication and decontamination of fresh and salt water, waste and heavy metal reduction, acceleration of organic composting, soil decontamination due to mining and / or chemical leachates, and the technical improvement of animal fodder and feed.

The application discloses a preparation method of modified zeolite filter material for intensively removing dissolved manganese and ammonia nitrogen in surface water and application of the modified zeolite filter material, and aims at solving the problems that existing manganese removal processes cannot simultaneously remove manganese and ammonia nitrogen, and the cost of natural manganese sand is relatively high. The preparation method of the modified zeolite filter material comprises the following steps: firstly, sieving clinoptilolite; secondly, immersing the sieved clinoptilolite in a dilute nitric acid solution; thirdly, placing the initial zeolite in a divalent manganese salt solution with a concentration of 0.2-0.5 mol / L to perform oscillation adsorption treatment; and fourthly, immersing the zeolite particles with adsorbed divalent manganese in a mixed solution of permanganate and sodium hydroxide to perform adsorption reaction, and then washing and drying to obtain the modified zeolite filter material. The modified zeolite filter material is used as filter material for surface water treatment, can quickly and effectively remove the two pollutants of manganese and ammonia nitrogen, and the removal rate of manganese ions in water can reach 95%, and the removal rate of ammonia nitrogen can reach more than 90%.

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.

The present invention provides a method for synthesizing MOR zeolite molecular sieve by converting natural clinoptilolite as raw material, which relates to the technical field of zeolite molecular sieves. In the present invention, natural clinoptilolite raw powder, alkali source, silicon source and water are mixed to obtain a synthesis mother liquor; the molar ratio of effective components in the synthesis mother liquor satisfies: SiO2:Al2O3:M2O:H2O = (10 - 32.5):1:(1.0 - 5.0):(210 - 500); the synthesis mother liquor is crystallized to obtain MOR zeolite molecular sieve. The present invention first prepares MOR-type zeolite with natural clinoptilolite as raw material, and omits the pretreatment steps of alkali fusion activation and ion exchange on the premise of ensuring the product purity and crystallinity. The process flow is simple, cost-saving, energy-consuming reduced and with high safety. The present invention realizes the resource utilization of natural clinoptilolite, the reduction of zeolite material cost and the synthesis of high-purity and high-crystallinity MOR-type zeolite at the same time.

Prevent the rapid pH drop of the target water area by the water treatment agent, remove the aluminum heavy metal toxicity which is the cause of dementia in the water area, remove the odor-causing organic substances, prevent the economic loss caused by the loss of inorganic substances such as sand, gravel and loess necessary for natural ecological restoration together with the odor-causing organic substances during large-scale dredging, prevent the phenomenon of deeply reducing the ecological restoration ability, protect precious water resources, and restore and maintain the natural water areas such as rivers, lakes, drinking water dams, and groundwater, which are polluted daily, to clean and safe water quality levels. 【Solution means】The present invention relates to a river respiration ecological restoration agent for polluted natural water areas and a manufacturing method thereof using natural mineral lumerite, and contains 65-75% by weight of clinoptilolite, 5-15% by weight of kaolinite, 3-10% by weight of montmorillonite, 2% by weight of romontite, 2% by weight of perlite, 0.1% by weight of light rare earths, 0.01% by weight of neodymium, 0.01% by weight of dysprosium, 1-2% by weight of quartz, 5-8% by weight of pozzolan, 2-3% by weight of makuban stone, the same proportion of freeze-dried hemp, polyglutamic acid (PGA) and 0.006-0.01% by weight of coconut sap.

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.

The invention relates to the technical field of mine water treatment, in particular to a modified zeolite defluorination adsorbent as well as a preparation method and application thereof. The preparation method comprises the following steps: dipping natural clinoptilolite in a hydrochloric acid solution, oscillating, washing and drying to obtain activated natural clinoptilolite; and placing the activated natural clinoptilolite in a lanthanum salt solution, dipping and stirring for a period of time, heating, continuously stirring for high-temperature hydrolysis, filtering after hydrolysis, and drying a cured product obtained by filtering to obtain the modified zeolite defluorination adsorbent. The modified zeolite defluorination adsorbent provided by the invention can be used for removing fluorine ions in high-salinity fluorine-containing mine water through multiple mechanisms, and has the advantages of simple preparation process, small use amount of a modifier and strong anti-interference capability on coexisting anions; the effect of removing fluorine ions in mine water is high, the effluent quality is stable, and the treatment process is simple.

The invention relates to the technical field of wastewater treatment, in particular to a wastewater treatment composition and a preparation method thereof. The wastewater treatment composition is prepared from the following raw materials: steel slag powder, a fly ash-zeolite complex, modified montmorillonite, lignosulfonate and SRB sulfate reducing bacteria, wherein the fly ash-zeolite complex is prepared by carrying out hydrothermal reaction on fly ash and natural clinoptilolite according to a certain proportion, and the modified montmorillonite is prepared by firstly loading sodium sulfate and then modifying with quaternary ammonium salt. The wastewater treatment composition prepared by the invention realizes deep removal of heavy metal ions, efficient treatment of organic matters and suspended matters, release control of hydrogen sulfide gas and pH adjustment of acidic wastewater through multi-mechanism synergy of various components, and has the advantages of environmental friendliness, low cost and high universality.