157 results about "Activated attapulgite" patented technology

The invention provides a boiler coal combustion-improving desulfurizing and denitrifying agent composition. The composition comprises the following raw materials in parts by weight: 2-7 parts of sodium carbonate, 1-3 parts of alumina, 2-8 parts of aluminium hydroxide, 2-5 parts of ferric trichloride, 2-6 parts of ferric oxide, 3-10 parts of potassium permanganate, 3-10 parts of potassium chlorate, 10-35 parts of activated attapulgite clay, 15-30 parts of urea, 2-4 parts of ammonium formate, 2-4 parts of ammonium chloride, 6-23 parts of ammonium acetate, 3-9 parts of manganese oxide, 9-12 parts of copper chloride, 1-3 parts of copper oxide, 2-4 parts of zinc sulfate, 1-3 parts of zinc nitrate, 7-18 parts of potassium dichromate, 1.0-1.5 parts of titanium dioxide, 0.5-1.0 part of barium molybdate, 0.5-1.5 parts of cobalt sulfate, 0.5-1.5 parts of vanadium pentoxide, 0.3-0.7 part of cerium oxide, 0.1-0.2 part of sodium dodecyl benzene sulfonate and 0.1-0.2 part of alkyl glyceryl ether. The composition is convenient to use, has stable properties, plays roles of combustion improving, desulfurization and denitrification, has coal saving rate of 8-25% and can remove fixed sulfur by 50-70%.

The invention relates to a neutral blockage removing agent composition used for an oil recovery formation in an oilfield. The neutral blockage removing agent composition is prepared from the following raw materials in parts by weight: 30-36 parts of disodium polyepoxysuccinicate, 18-25 parts of sodium gluconate, 2-3 parts of polyethylene glycol, 2-4 parts of triethanolamine, 9-12 parts of ethyl lactate, 7-10 parts of fatty alcohol polyoxyethylene ether sodium sulfate, 8-12 parts of amino acid sodium, 10-15 parts of activated attapulgite, 0.1-0.2 part of vanadium pentoxide, 5-7 parts of lipase, 5-8 parts of sorbitan fatty acid ester, 15-18 parts of P-hydroxy sodium sulfonate, 3-7 parts of tert-butyl hydroperoxide and 0.1-0.3 part of diethylene glycol monolaurate. The neutral blockage removing agent composition has high blockage removing speed, is neutral, is free of corrosion and can quickly dissolve material scales, asphalt sediment scales, carbonate scales, silicate scales and the like generated by an ASP flooding system; waste liquid for blockage removal can be degraded and does not need to be discharged onto the ground to be subjected to sewage treatment, the formation in the oilfield is cleaned to remove the blockage, no corrosion, dead angle, precipitation or secondary well blockage is generated, and the blockage removal time does not exceed 24 hours.

The invention relates to a neutral blockage removing agent composition used for a mechanical recovery well in an oilfield. The neutral blockage removing agent composition is prepared from the following components in parts by weight: 16-20 parts of polyepoxysuccinic acid amine, 7-12 parts of hydroxyethylidene dipllosphate sodium, 21-25 parts of divinyl pentaacetic acid amine, 20-25 parts of hydroxyl ammonium acetate, 12-16 parts of activated attapulgite, 21-25 parts of ammonium persulfate, 9-12 parts ofdicyclohexyl sulfobutanedioate sodium, 7-9 parts of butyl lactate, 0.2-0.3 part of vanadium pentoxide, 5-8 parts of straight chain sodium dodecylbenzenesulfonate, 10-14 parts of nitrilotriacetic acid sodium salt, 4-7 parts of urotropin and 0.1-0.3 part of glycerin fatty acid ester. The neutral blockage removing agent composition is suitable for scale removal and blockage removal of an oil pumping unit well and a screw pump well, can effectively control the reaction speed of the blockage removing agent and the scale of the oil pumping unit well and the scaled screw pump well, and prevent the falling-off of big scale residues to result in the secondary blockage of the mechanical recovery well and an oil recovery pump thereof, has high blockage removal speed, is neutral and is free of corrosion; the waste liquid for blockage removal does not need to be discharged onto the ground to be subjected to sewage treatment, the blockage removal time does not exceed 24 hours, and the effect of safe and corrosion-free blockage removal is achieved.

The invention discloses a method for activating attapulgite. The method specifically comprises the steps of (1) purifying the attapulgite, grinding and pulverizing the attapulgite, screening the attapulgite until the attapulgite with the particle size of being smaller than 2mm is retained, then mixing the attapulgite with deionized water, and performing stirring, stewing, filtering and drying; and (2) activating the attapulgite, heating the prepared attapulgite from room temperature to 250 DEG C, enabling water steam to be in contact with the attapulgite by taking inert gas N2 as carrier gas for reaction, further raising the temperature to 300-350 DEG C, preserving the heat for 1-2 hours, starting to cool the attapulgite, stopping feeding the water steam, and taking out the attapulgite after the attapulgite is cooled to the room temperature. The method has the advantages that (1) the attapulgite is activated through the water steam, and no pickling wastewater is emitted in the treatment process, so that the environment protection efficiency in a production process is improved; (2) due to the water steam activation treatment under proper temperature, the surface performance of the attapulgite can be improved, and the application field of the attapulgite can be further expanded.

The invention relates to an additive product suitable for coal-fired boilers in the petroleum, chemical and power industries and provides a boiler coal combustion-improving denitrifying agent composition. The composition comprises the following raw materials in parts by weight: 2-8 parts of sodium carbonate, 3-7 parts of aluminium hydroxide, 2-5 parts of ferric trichloride, 6-15 parts of urea, 4-10 parts of ammonium carbonate, 4-10 parts of ammonium chloride, 3-9 parts of ferric oxide, 7-22 parts of potassium permanganate, 7-22 parts of potassium chlorate, 15-40 parts of activated attapulgite clay, 4-8 parts of chromium sesquioxide, 2-6 parts of manganese oxide, 4-8 parts of zinc oxide, 4-8 parts of copper chloride, 2-6 parts of copper oxide, 2-6 parts of copper carbonate, 3-7 parts of zinc sulfate, 2-5 parts of zinc nitrate, 0.5-1.5 parts of barium molybdate, 1-2 parts of titanium oxide, 0.5-1.5 parts of vanadium pentoxide, 0.2-0.5 part of copper sulfate, 0.2-0.5 part of cerium oxide, 1-3 parts of penetrating agent JFC and 0.1-0.2 part of lignosulphonate. The composition is efficient in combustion improving, has high coal saving rate and prolongs the service lives of the boilers.

The invention discloses a high-ligand attapulgite clay adsorption material and a preparation method. The preparation method comprises the following steps of: performing Michael addition reaction on an active site of an activated attapulgite clay surface and methyl acrylate, performing amidation reaction with ethylene dimine to obtain a first generation product, and repeatedly reacting the first generation product, the methyl acrylate and the ethylene dimine for n times to prepare a PAMAM composite material of different generations of n+1. The preparation method is simple and easy to operate, and has wide application prospect; and the adsorption material can be used for treating dye in a water body, heavy metal, a dye intermediate with sulfonic acid group and organic acid.

The invention provides a boiler coal combustion-improving desulfurizing agent composition. The composition comprises the following components in parts by weight: 3-9 parts of sodium carbonate, 1-2 parts of sodium acetate, 3-9 parts of calcium carbonate, 4-9 parts of aluminium hydroxide, 2-5 parts of ferric trichloride, 3-10 parts of ferric oxide, 8-22 parts of potassium permanganate, 8-22 parts of potassium chlorate, 15-40 parts of activated attapulgite clay, 7-13 parts of manganese oxide, 4-8 parts of copper oxide, 4-8 parts of alumina, 3-8 parts of copper carbonate, 3-10 parts of zinc oxide, 3-10 parts of zinc nitrate, 4-11 parts of sodium dichromate, 0.5-1.5 parts of barium molybdate, 0.5-1.5 parts of vanadium pentoxide, 0.2-0.5 part of cerium oxide and 1-3 parts of dispersing agent JFC. The composition is an additive suitable for coal-fired boilers in the petroleum, chemical, power, thermoelectricity and metallurgy industries, can absorb and solidify sulfur dioxide generated in the combustion process, adsorbs dust and other harmful substances in quantity and simultaneously removes smoke dust scales and jelly adhering to the inner walls of combustors, thus inhibiting the concentration of flue gas emission.

The fluorine and arsenic removing water purifier consists of mainly attapulgite powder and active carbon, and is prepared through activating attapulgite powder, mixing activated attapulgite powder with active carbon in certain ratio, crushing to 80 mesh, crushing polyaluminium chloride powder to 80 mesh and other steps. The fluorine and arsenic removing water purifier has high fluorine and arsenic removing capacity, and can also eliminate inorganic heavy metal ions and polar and nonpolar organic molecules from water. The present invention may be used in purifying various kinds of surface polluted water, domestic sewage and industrial effluent, has low cost, easy use and great water treating capacity, and is suitable for rural district.

The invention provides compound essential oil for preventing diarrhea of piglets as well as a preparation method and an application of the compound essential oil. The compound essential oil is prepared from the following components in parts by mass: 0.25-2.5 parts of cinnamon oil, 0.1-1 part of clove oil, 0.25-2.5 parts of thymol and 100 parts of activated attapulgite. The invention also provides a preparation method and an application of the compound essential oil. The compound essential oil can obviously reduce the diarrhea rate of weaned piglets, improve the food intake, improve the daily gain, improve the intestinal flora state, and meanwhile can prevent diarrhea of weaned piglets at the early stage and enhance the growth. The compound essential oil effectively reduces the amount of escherichia coli of intestinal tracts, improves the intestinal flora state, attapulgite can adsorb viruses, pathogenic bacteria and toxin in digestive tracts, inhibit the growth of harmful bacteria of the intestinal tracts, enhance the growth of beneficial bacteria, and recover and maintain the ecological balance of intestinal flora.

The invention discloses a restoration method of a severely combined pollution site. By utilizing the method, an organic matters and heavy metal combined pollution site can be treated by utilizing iron-carrying attapulgite and microwave assistance. According to the restoration method, the iron-carrying attapulgite adsorbs organic matters and stabilizes heavy metal by self structure charge and lattice imperfection through hydroxyl complexing and chelating action, the iron-modified activated attapulgite has excellent wave absorbing property under the microwave action, so that soil temperature rise is benefited and the heavy metal is fixed to realize long acting and stability; the high-temperature degradation action of the iron-modified activated attapulgite under microwave field catalyzes oxygen in air and moisture in soil to excite the oxidative degration action of hydroxyl radicals for treating the organic matters, the excellent specific surface area of the iron-modified activated attapulgite is beneficial to the adsorption of degradation products. According to the novel method provided by the invention, the preparation technology of materials is simple, the treatment reaction technology is simple in flow, low in cost and environmentally friendly and fast and stable.

The invention discloses a preparation method of an attapulgite-based refining agent for lubricant base oil adsorption refining. The preparation method comprises the following main processes: acid-activating raw attapulgite, drying, crushing, screening, roasting and activating to obtain the acid-activated attapulgite, organically modifying the acid-activated attapulgite, drying, crushing, and screening to obtain the attapulgite-based refining agent. The attapulgite-based refining agent prepared by the invention has the characteristics that the refining agent can be easily separated from the product without polluting and corroding equipment, and the post-treatment of the product is simple.

The invention provides a preparation method of an amorphous state carbon nano tube, which comprises the following steps of (1) enabling an attapulgite to be placed in a container for roasting at 200-500 DEG C and conducting thermal activating treatment or adding in 1 mol/L-5 mol/L acid for conducting acid activating treatment; (2) enabling activated attapulgite and carbon source materials to be added in water for evenly mixing according to the mass ratio of 1:1-3, enabling water solution of evenly mixed attapulgite-carbon source material to be placed in a high pressure reactor which is placedin a homogeneous phase reactor, keeping warm at 130-180 DEG C for 6h-48h to obtain a precursor; and (3) enabling the precursor to fire for 3-6 hours at 600-900 DEG C under the atmosphere of N2 protection, enabling products to cool to reach room temperature along a furnace after firing, using hydrogen fluoride (HF) solution to fully wash, removing formworks in products, leaving carbon, using densehydrogen chloride (HCl) to wash and purify the carbon, finally using water to wash until neutral is achieved, filtering and stoving to obtain needed amorphous state carbon nano tube. The preparation method is wide in source of feed, low in price, simple in process flow, easy in process condition achieving, low in preparation cost, and good in prepared product performance.

The invention discloses a preparation method of a ferric oxide/attapulgite/three-dimensional graphene oxide heterogeneous catalyst. According to the catalyst, a carrier prepared from attapulgite and three-dimensional graphene oxide through compounding is adopted, the carrier is loaded with ferric oxide nanoparticles, and the catalyst can be applied to catalyzed degradation treatment of refractoryorganic wastewater. The preparation method comprises the steps of firstly, purifying and activating the attapulgite, mixing the activated attapulgite with home-made graphene oxide, carrying out molding, carrying out drying, and then, loading the surface of the attapulgite/three-dimensional graphene composite carrier with the ferric oxide nanoparticles, thereby obtaining the ferric oxide/attapulgite/three-dimensional graphene oxide heterogeneous catalyst. The preparation method of the catalyst is relatively simple, does not need special equipment and is low in cost and good in repeatability; the prepared catalyst is good in catalysis performance and wide in pH range, can be reused and can be used at the temperature of 20 DEG C to 80 DEG C. Secondary pollution is not caused, and the catalystcan be extensively applied to the fields of treatment of the refractory organic wastewater.

The invention relates to a method for preparing an ordered mesoporous material Al-MCM-41 through attapulgite. The method includes the steps of soaking natural clay mineral attapulgite as the raw material in moderate-strength inorganic acid to obtain acidified attapulgite, evenly mixing the acidified attapulgite as the raw material with NaOH solid, conducting roasting activation at a high temperature, adding deionized water to activated attapulgite, taking upper layer leachate for use, adding the upper layer leachate to a surface active agent solution, transferring the materials into a high-pressure reaction still, conducting hydrothermal crystallization to obtain a precursor, and conducting suction filtration, washing, drying and roasting on the precursor. The method has the advantages that the material is directly prepared through alkali treatment with the acidified attapulgite serves as the raw material through a chemical method, no silicon source or aluminum source needs to be additionally added, the raw material utilization rate is high, production cost is low, environment is not polluted, and energy consumption is low; the ordered mesoporous material is concentrated in aperture distribution and good in pore performance, and the toxic and harmful pollutant, namely fuchsin, in water can be rapidly removed.

The invention relates to a preparation method of aerogel, in particular to a preparation method of reduced graphite oxide-attapulgite composite aerogel. Attapulgite is activated by aluminum salt, and the surface of the activated attapulgite is coated with aluminum hydroxide. The activated attapulgite is subjected to protective coating, accordingly, the structure of the attapulgite can be protected, charge characteristics of the surface of the attapulgite are changed, the attapulgite is easily composited with graphite oxide, after composition, aluminum hydroxide is removed and the original structure of attapulgite is reduced. The composite material realizes uniform composition of two excellent different adsorption materials, the agglomeration phenomenon of a single material in the preparation process can be avoided through composition of two materials, inside channels are enlarged after aluminum hydroxide is removed, and the adsorption efficiency is improved.

The invention provides a modified attapulgite material and its preparation and application methods. The modified attapulgite is prepared by: ultrasonically treating attapulgite in HCL solution, filtering, washing, drying, heating to 350+/-5 DEG C for activation, and cooling to room temperature to obtain intermediate A; dissolving MnCl2.4H2O in isopropanol, adding the intermediate A, stirring and ultrasonically processing, adding potassium permanganate solution, refluxing at 87+/-2 DEG C, cooling to room temperature, filtering by suction, washing with isopropanol solution until a clear liquid is formed, and drying at 80-100 DEG C. Through acid activation and thermal activation, specific surface area is enlarged, attachment active sites for bivalent manganese ions are increased; the activated attapulgite can adsorb bivalent manganese ions under anhydrous condition, and it is possible to effectively avoid the competition between water and the bivalent manganese ions; the number of the bivalent manganese ions is under control, it is guaranteed that post-adsorbing solution contains few bivalent manage ions, and no influence is caused to further reaction.

The invention discloses an attapulgites sterilizing algicide for a swimming pool, which comprises high-viscosity attapulgite clay, activated attapulgite clay, copper sulfate, aluminium polychlorid, lauryl dimethyl benzyl ammonium chloride and chlorine dioxide. The ingredients of the attapulgites sterilizing algicide are added into a stirrer for stirring and then packaged into the finished product of the attapulgites sterilizing algicide after being uniformly stirred and mixed. The attapulgites sterilizing algicide can kill virus, bacteria, protista, alga, fungus, various spores and thallus formed by the spores in water in the swimming pool. The attapulgites sterilizing algicide not only can kill the alga in the water, but also can kill the alga at the bottom of the pool and in the brickwork joints, and remove ammonia nitrogen and peculiar smell in the water to enable the water in the swimming pool to be clear and clean and reach the national standard. The attapulgites sterilizing algicide is suitable for sterilizing and killing the alga in the circulating water of the swimming pool and absorbing the peculiar smell.

The invention discloses attapulgite interior wall putty powder. The key point of technical proposal of the invention is that the attapulgite interior wall putty powder consists of purified attapulgite, activated attapulgite clay, white portland cement, polyacrylamide, anatase titanium dioxide. The production method of the attapulgite interior wall putty powder comprises the following steps: material mixing, crashing, grinding powder, and packing to obtain the finished products of the attapulagite interior wall putty powder. The blade coating can be performed by the following steps: putting the attapulgite interior wall putty powder into a container, adding water to wet the attapulgite interior wall putty powder for 5 to 30 minutes according to the ratio of the attapulgite interior wall putty powder to water of between 1:0.5 and 1:4, and mixing thoroughly and evenly for puttying construction. The attapulgite interior wall putty powder has the characteristics of whiteness, finesses, good hand feel, good adhesive property, strong adhesive force, water tightness, cracking resistance, powder fall-off prevention, paint conservation and the like. The attapulgite interior wall putty powder is applicable to the architectural finishing projects.

The invention discloses a preparation method of an organic-inorganic composite attapulgite mycotoxin adsorbent. The preparation method comprises: modifying acid activated attapulgite by using quaternized chitosan oligosaccharide, carrying out a reaction on the obtained material and acid activated active carbon, carrying out centrifugation, washing, drying, and crushing to obtain the organic-inorganic composite attapulgite mould toxin adsorbent. According to the present invention, the obtained product can effectively adsorb and remove all kinds of mycotoxins in the feed, has antibacterial function, and can reduce the antibiotic consumption in the feed.

The invention relates to a preparation method of an adsorbing material and a composite material, in particular to a preparation method of an attapulgite/zirconia composite defluorinating material. The preparation method is characterized by comprising the following steps of: (1) selecting raw materials: respectively weighing zircon salt and Na-activated attapulgite for later use according to the mass ratio of (3:6)-(5:6), and preparing the zircon salt into a zircon salt solution; (2) preparing the attapulgite into 5 percent by weight of suspensions, and stirring to obtain attapulgite suspensions; (3) dropwise adding the zircon salt solution to the attapulgite suspensions, stirring, then regulating the pH to 5.0-5.5 by using a NaOH solution, and ageing to obtain slurry; and (4) centrifugalizing the slurry, drying an obtained filter cake, soaking and activating an obtained dried material in an aluminum salt solution for more than 4 hours, washing with deionized water till no SO4<2-> exists, drying, and finely grinding to obtain the attapulgite/zirconia composite defluorinating material. The attapulgite/zirconia composite defluorinating material prepared with the method has the advantages of larger adsorption capacity, low cost and recyclability and can be used for the defluorination of underground water and industrial waste water.

The invention provides a negative ion mineral wool board and a preparation method thereof. The negative ion mineral wool board includes negative ion mineral powder which is loaded on attapulgite clayas the raw material for preparation of the mineral wool board. The method includes the following steps that the raw materials are weighed; the negative ion mineral powder is loaded on the attapulgiteclay; the attapulgite clay is calcined, activated, and ground; the negative ion mineral powder and the activated attapulgite clay powder are dissolved in water, mixed evenly and then subjected to ultrasound dispersion; the attapulgite clay loaded with negative ion mineral powder is filtered, dried and ground; a flocculant is diluted to a 10-40 mass% solution with water; the attapulgite clay loadedwith negative ion mineral powder, the flocculant aqueous solution, mineral wool fiber and starch are added into water and stirred evenly to obtain mixture slurry; the mixture slurry is formed, cut into large plates and dried to obtain semi-finished products; the semi-finished products are subjected to post-processing to obtain the finished products. The negative ion mineral wool board can releasenegative ions and play the role of purifying air.

The invention discloses an attapulgite water oil stain absorbent which comprises high-viscosity attapulgite clay, activated attapulgite clay, waste plastic foam, super oil absorbent resin and glycerin monostearate. The ingredients are added into a stirrer for stirring and then packaged into the finished product of the attapulgite water oil stain absorbent after being uniformly stirred. The attapulgite water oil stain absorbent has better emulsion, solubilization, purification, absorption and curing functions, and can rapidly absorb and clean the oil stains on the surface. The oil stains on the surface are absorbed by the attapulgite water oil stain absorbent and then converted into a gel matter which can be regenerated into a combustible mineral oil. The attapulgite water oil stain absorbent can not only eliminate the petrol pollution and protect the environment, but also can fully recycle the waste materials for saving resources. The attapulgite water oil stain absorbent is suitable for absorbing and cleaning the oil stains.

The invention belongs to the technical field of preparation of functional materials, and particularly relates to a preparation method of attapulgite loaded nano iron. The method particularly comprises the following steps: (1) grinding, crushing and screening attapulgite to the size below 2mm, then mixing attapulgite and deionized water, stirring, standing, filtering and drying; (2) activating attapulgite by vapor; and (3) loading nano iron on attapulgite. The preparation method of attapulgite loaded nano iron, which is provided by the invention, has the technical advantages that attapulgite is activated by adopting vapor, and pickling waste water is not exhausted in the treatment process, so that the environment protection efficiency of the production process is improved; the vapor activation treatment at proper temperature can improve the surface performance of attapulgite, so that the application field of attapulgite is widened further; nano iron is loaded on attapulgite by adopting a roasting method, and compared with a liquid phase reduction method, the preparation method according to the invention has the advantages that the reaction steps are less, and three wastes (waste gas, waste water and industrial residue) are less; nano iron loaded attapulgite as a functional modifying agent is applied to foam ceramic materials, and the adsorption performance of the foam ceramic materials can be improved.

The invention relates to a preparation method for an attapulgite clay nanorod crystal composite microsphere adsorbent. According to the method, hydrochloric acid activated attapulgite clay nanorod crystals, concentrated ammonia liquor, ethyl orthosilicate, water and a solvent--absolute ethyl alcohol are reacted at a certain temperature, and through hydrolytic condensation and bonding of ethyl orthosilicate, a loose microsphere is formed by the attapulgite clay nanorod crystals. A loose microsphere composite material is formed by bonding each single attapulgite clay nanorod crystal with silica produced after hydrolytic condensation of ethyl orthosilicate, so the preparation method is simple; and the prepared microsphere composite material has good adsorption performance and has good application prospects in the field of sewage treatment.

The invention discloses a production method of an attapulgite environmental-friendly snow melt agent, which comprises the steps of preparing materials, stirring, acidizing, extruding, drying, crushing, screening, mixing and packaging into finished products. The attapulgite environmental-friendly snow melt agent comprises attapulgite clay, bentonite, ground limestone, glacial acetic acid, quicklime, granular activated attapulgite clay, super water absorbent resin, super oil absorbent resin, lauryl sodium sulfate and water. The attapulgite environmental-friendly snow melt agent is an irregular granular mixture, can rapidly melt ice and snow, effectively prevents the melted snow or ice from being frozen again, improves the snow melting effect, can absorb harmful substances and oil stains mixed into gel matters, and greatly reduces the pollution after the ice and the snow are melted. The production method of the attapulgite environmental-friendly snow melt agent is suitable for producing various environmental-friendly snow melt agents.

The invention discloses a method using attapulgite to prepare particles for removing phosphor from water. The method comprises the following steps: grinding attapulgite into particles with a particle size of 1.05 to 1.75 mm, adding the particles into a hydrochloric acid solution to carry out acidification, and finally modifying the activated attapulgite particles by cetyl trimethyl ammonium bromide and n-octyl triethoxysilane. The provided method has the advantages that the specific surface area of attapulgite crystals is increased by the acidification treatment, thus the adsorption performance is effectively improved; by adding a cation surfactant into attapulgite, the performance of attapulgite on adsorbing organic pollutants is enhanced; the hydrophilic property of attapulgite surface is changed to hydrophobic property after organically modified attapulgite is modified by a silane coupling agent, and at the same time, the particle size of attapulgite particles is controlled to prevent attapulgite particles from floating on the water.

The invention discloses modified attapulgite nano particles and a preparation method thereof. The preparation method comprises the steps that the surface of attapulgite is activated through an acid solution, and acid-activated attapulgite is obtained; the acid-activated attapulgite and a surface modifier are evenly mixed in an organic solvent to form an even dispersion solution, and after a sufficient reaction, the modified attapulgite nano particles are obtained. The surface modifier can preferentially be a silane coupling agent containing a lipophilicity group. According to the preparation method of the modified attapulgite nano particles, the process is simple, conditions are controllable, dispersity between crystals of the attapulgite can be greatly improved under the condition of preserving the original feature of the attapulgite, and compared with conventional modified attapulgite, the obtained modified attapulgite nano particles has good dispersity in the organic solvent and can also be stably suspended on the surface of a water phase system.