268results about How to "High specific surface area" patented technology

The invention discloses a metal organic skeleton structure material load platinum catalyst. The metal organic skeleton structure material load platinum catalyst comprises a carrier and an active component loaded on the carrier, wherein the carrier is a metal organic skeleton structure material MIL-101, and the active component is platinum. The invention also discloses a preparation method of the metal organic skeleton structure material load platinum catalyst and a catalytic hydrogenation application thereof. The catalyst provided by the invention has a higher specific surface area and a larger porthole structure, the catalyst is suitable for application in a catalytic hydrogenation reaction, the catalyst is environmentally-friendly, the reaction conditions are gentle, and the catalyst is high in efficiency and good in stability.

The invention relates to a carbon rod filter cartridge, in particular to a multifunction carbon rod filter cartridge and a manufacturing method thereof. The multifunction carbon rod filter cartridge is capable of effectively removing residual chlorine and heavy metal in tap water and has good effects of killing and restraining bacteria. The multifunction carbon rod filter cartridge comprises, by mass percentage, 50%-98% of activated carbon, 1%-30% of modified cellular material powder and 1%-20% of adhesive. The preparation method includes mixing the activated carbon, the modified cellular material powder and the adhesive, drying, pouring dried mixing materials into a charging port of a screw extruder, heating the screw extruder, extruding the hollow column-shaped formed carbon rod filter cartridge, and cutting the carbon rod filter cartridge according to required lengths.

The invention relates to a method of preparing a nitrogen-doped porous carbon material, and belongs to the field of inorganic nanometer materials and electrochemistry. The inventive method comprises the steps of: preparing mesoporous carbon nitrogen compound with mesoporous silicon oxide powder and ethylene diamine as precursors, and activating with an activator potassium hydroxide at high temperature while controlling the mass ratio of the potassium hydroxide and the mesoporous carbon nitrogen material to obtain a nitrogenous material with high specific surface area and pore volume. The specific electric double layer capacitance of the inventive nitrogen-doped porous carbon material in alkaline aqueous electrolyte under potential scanning speed of 2mV/s is 328F/g and 318F/g, respectively, which are much higher than that of the reported porous carbon materials. The inventive nitrogen-doped porous carbon material has good application prospect as a high-power super capacitor active material.

The invention relates to a preparation method of a non-supported high-activity hydrogenation catalyst. The preparation method of the non-supported high-activity hydrogenation catalyst is characterized by comprising the following steps: preparing an acid solution A containing at least one group VIII metal compound and at least one group VIB metal compound, and an alkali solution B containing at least one silicon source or aluminium source, slowly mixing the two solutions into a sedimentation reactor, carrying out co-precipitation reaction to obtain slurry under the conditions that temperature is 20-120 DEG C and pH value is 7-12, and carrying out ageing, suction filtration, washing, drying, moulding and roasting on the slurry, so that a catalyst with high catalytic performance for hydrogenation reaction of a fixed bed is obtained. The prepared non-supported hydrogenation catalyst has large specific surface area, high pore volume and high hydrogenation activity; meanwhile, the preparation method of the non-supported high-activity hydrogenation catalyst is simple, reaction conditions are mild, and operation is easy and stable, so that the preparation method of the non-supported high-activity hydrogenation catalyst is applicable to industrial batch-type production.

The present invention relates to a graphene composite titanium dioxide photocatalyst capable of magnetic separation and recovery, and a preparation method thereof. The photocatalyst is synthesized by a two-step hydrothermal method, wherein graphene and magnetic particles are compounded to prepare magnetic graphene, the magnetic graphene is compounded with titanium dioxide nanoparticles synthesized by a hydrothermal method to prepare the three-element composite photocatalyst. The photocatalyst comprises three parts of the graphene, the titanium dioxide, and the magnetic nanoparticles, wherein the magnetic nanoparticles are loaded on the graphene lamellas to form the magnetic graphene having large specific surface area and magnetism, the rutile type titanium dioxide has a three-dimensional ordered nanostructure, and is loaded on the magnetic graphene lamellas to form the graphene composite rutile type titanium dioxide photocatalyst with the characteristic of magnetic separation, whereinthe photocatalyst has the large specific surface area, the nanoparticles have the magnetism, the photocatalyst can be separated and recovered, and has the efficient catalytic performance.

The invention discloses a dendritic nanowire catalyst carrier with metal oxide/carbon core-sheath structure and a preparation method of a supported catalyst. The catalyst carrier is dendritic nanowires with the core-sheath structure; according to the core-sheath structure, the metal oxide is adopted as an inner core; and carbon is adopted as an outer sheath. The preparation method comprises the following steps: (1), preparing a uniform and transparent reactant solution; (2), carrying out solvothermal reaction; (3), centrifugally washing and drying the obtained product; and (4), coating the obtained product with a carbon sheath. The dendritic nanowire catalyst carrier with the metal oxide/carbon the core-sheath structure and the preparation method of supported metal nanoparticles disclosed by the invention are simple to operate and easy to control; a template is not needed in the preparation process; ordinary precursors such as chlorate and nitrate can be utilized; a metal organic compound required for preparation of the catalyst with a special structure is avoided; and the cost is further reduced.

The invention relates to a method for preparing nitrogen-doped activated carbon by utilizing a PET (polyethylene terephthalate) waste material and belongs to the technical fields of chemical industry and environmental protection. The method provided by the invention comprises that low-temperature preoxidized PET waste material and a nitrogen source are mixed, then carbonizing treatment is carried out in inert atmosphere, and activating treatment is carried out on carbonized product by adopting a physical activation method or a chemical activation method, so that the nitrogen-doped activated carbon is obtained. The method provided by the invention has the advantages that the PET waste material is taken as a carbon source, organic amine or inorganic ammonium salt is taken as the nitrogen source, and the characteristics of low production cost and simple preparation process are achieved; and the nitrogen-doped activated carbons with different nitrogen contents and specific surface areas can be prepared by controlling the ratio of the carbon source to the nitrogen source and selecting an appropriate activation method. The prepared nitrogen-doped activated carbon can serve as an electrode material, a catalyst carrier and an adsorbent. The invention provides a convenient and feasible method for utilizing the PET waste material.

The invention discloses a compound grapheme absorption agent which comprises grapheme, nanometer zero-valent iron and cetyl trimethyl ammonium bromide. The invention further discloses a method for preparing the compound grapheme absorption agent. The method for preparing the compound grapheme absorption agent includes the following steps that firstly, oxidized grapheme is dispersed in water with ultrasonic waves and oxidized grapheme suspension liquid is obtained; secondly, the nanometer zero-valent iron and the cetyl trimethyl ammonium bromide are added into the oxidized grapheme suspension liquid obtained in the first step, fully stirred and fully reacted and a reaction solution is obtained; thirdly, the reaction solution obtained in the second step is added with reductive agents and fully reacted and black flocks are obtained; fourthly, the black flocks obtained in the third step are filtered, washed and dried to obtain the compound grapheme absorption agent. The compound grapheme absorption agent is efficient, green, economic, friendly to environment, and suitable for large-scale production. The preparing method is simple and conditions are easy to control.

the invention discloses a chitose nanometer fiber film and preparing method with stable shape structure in the carrier domain, which comprises the following steps: forming transparent solution in the water mixed solvent through dissolving chitose and polyvinyl alcohol in the glacial acetic acid; putting the spin liquid in the feeder; connecting spin-spraying head with high-pressure power at 5-30 kV; spinning; immersing the film material in the strong alkaline solution; possessing stable shape structure.

The invention relates to a tissue restoration fiber membrane, a production method and an application thereof, and a tissue restoration product. The tissue restoration fiber membrane is formed by interlacing fiber yarns with the diameter of 10 nm to 100 [mu]m, the fiber membrane has a pore structure formed by interlacing the fiber yarns, every fiber yarn is provided with an annular projection structure in a radial direction, and the bulkiness of the fiber membrane is not less than 2 cm<3>/g and less than 200 cm<3>/g. The invention also discloses the production method of the tissue restoration fiber membrane, the application of the tissue restoration fiber membrane in the production of the tissue restoration product, and the tissue restoration product produced by using the fiber membrane.

The invention belongs to the field of biological sensor technique, in particular to a glucolase electrode and a preparation method thereof on the basis of a magnetic carbon nano-tube. The preparation method of the invention disperses the carbon nano-tube ultrasonic into a chitosan acid aqueous solution containing ferric ions and ferrous ions so as to prepare the three-composition nanometer magnetic composite material which consists of the carbon nano-tube, ferroferric oxide and chitosan; the three-composition nanometer magnetic composite material is dispersed into glucose oxidase aqueous solution, adsorbs the glucolase and is dispersed into glutaraldehyde aqueous solution; by primary amino-group reaction crosslinking, the glucose oxidase is fixed on the surface of the magnetic composite material, thus obtaining the updatable glucolase electrode based on the magnetic carbon nano-tube; the glucolase electrode provided by the invention has high response speed, wide detection consistency range, simple and convenient electrode processing and simple and convenient preparation of the immobilized enzyme magnetic material; when the enzyme is deactivated, the electrode is regenerated by updating the enzyme material of the electrode surface based on the magnetic carbon nano-tube, therefore, the consumption of the electrode material is greatly reduced, the resource is saved and the cost of enzymatic determination is reduced.

The invention relates to an immobilized enzyme membrane reactor and the preparation thereof and a method for producing bio-diesel. The method comprises filling superfine fiber complex film in a die whose inside and outside are double cylindrical shape to form a film reactor, injecting activating agent solution and lipase solution in the film reactor in turn through adopting a cross-flow filtration mode, leading lipase to be chemically fixed on superfine fiber membrane surface, getting an enzyme membrane reactor which is fixed with lipase, respectively injecting mixed solution of animal and vegetable oil and carbinol in the inner side and the outer side of the superfine fiber complex film, doing catalytic alcoholysis reaction on fiber membrane surface, and producing bio-diesel. The enzyme gathering catalysis of the method of the invention is integral with a membrane separation process, and the method of the invention simplifies manufacturing technique, and meanwhile, the method of the invention overcomes inhabitation of lower alcohol to enzymatic activity in the process of catalyzing, the immobilized enzyme membrane reactor can be repeatedly used, which can achieve continuous production, improves production efficiency, and has excellent industrial application prospect.

The invention discloses an MgZnCr-TiO2 hydrotalcite visible-light-induced photocatalyst as well as a preparation method and application thereof. The MgZnCr-TiO2 hydrotalcite visible-light-induced photocatalyst comprises carbonate type magnesium-zinc-chromium hydrotalcite and titanium dioxide which is loaded on the carbonate type magnesium-zinc-chromium hydrotalcite. The preparation method for the MgZnCr-TiO2 hydrotalcite visible-light-induced photocatalyst comprises the following steps: carrying out coprecipitation reaction by taking hydrochlorides of magnesium, zinc and chromium (III) as well as sodium hydroxide, anhydrous sodium carbonate and titanium dioxide as raw materials; and then, carrying out hydrothermal crystallization treatment. The MgZnCr-TiO2 hydrotalcite visible-light-induced photocatalyst disclosed by the invention has the advantages of being great in specific surface area, great in adsorbing capacity, good in absorption of visible light, and the like, can be widely used for photocatalytic degradation of dye wastewater, has very good adsorption capacity and photocatalytic degradation capacity, can completely remove pollutants, and is relatively good in reutilization.

The invention discloses a preparation method of a cadmium-doped molybdenum disulfide nano lubricating additive, which is characterized by comprising the following steps: (1) dissolving (NH4)2MO4, Na2S, a reducer and a soluble cadmium salt in deionized water to obtain a mixture solution for later use; (2) transferring the solution obtained in the step (1) into a stainless steel reaction kettle, sealing, reacting at 130-260 DEG C for 24 hours, and cooling to room temperature to obtain the reaction product; and (3) separating the reaction product, washing, and drying to obtain the flower-structure Cd-doped MoS2 nanosheets assembled from nanosheets. The method has the advantages of simple technique and low cost; and the prepared product has the advantages of high purity, high yield, high specific area and favorable tribological performance.

The invention relates to a phosphor-doped porous carbon material for a super capacitor and a preparation method thereof, and helps to solve the technical problems that the cost of conventional materials is high and specific capacitance is low. The phosphor-doped porous carbon material for the super capacitor comprises 65-98wt% carbon, 1.5-23wt% oxygen and 0.5-12wt% phosphor. The invention also provides a preparation method of the phosphor-doped porous carbon material. The phosphor-doped porous carbon material can be widely used in the field of preparation of the super capacitor material.

Disclosed is an iron-based catalyst for ft synthesis, containing ferrous metal components of useful quality. The catalyst is characterized in that the specific surface area of the catalyst is more than 255 squaremeters/g- 320 squaremeters/g and the pore volume is more than 0.45ml/g-0.7ml/g. the preparation method includes: (1) at least one iron-compound and at least one organic reducing agent are mixed or dissolved with water into solution; (2) the solution is heated to combustion under the oxygen-containing condition, so that organic reducing agent is burned up and a powder product is got; (3) in the presence of the air, the powder product is roasted at 100-1000DEG.C for 0.5-30 hours and then the catalyst provided by the invention is got. The catalyst can maintain relatively high reacting activity, as well as better selectivity for C5+.

The invention discloses a nickel/cobalt-modified molybdenum disulfide nanoflower material as well as a synthetic method and application thereof and relates to molybdenum disulfide nanoflower materials. The element composition of the nickel/cobalt-modified molybdenum disulfide nanoflower material is nickel/cobalt, molybdenum and sulfur, the material presents flower ball-like spherical morphology, the flower ball-like structure is composed of flake structures; the nickel/cobalt is uniformly distributed on the molybdenum disulfide flakes; the nanoflower diameter is 50-800nm; the nano-flake thickness on the flower ball-like structure is 2-10nm. The synthetic method comprises the following steps: dissolving a molybdenum source and a nickel/cobalt source into water to obtain a mixed solution; adding a vulcanizing agent and a reducing agent into the mixed solution, and dispersing to form suspension; transferring the suspension into a hydrothermal reactor, heating, reacting and then cooling; taking out the black solid obtained in the hydrothermal reactor after cooling, performing centrifugal separation, washing, and performing vacuum drying, thus obtaining the nickel/cobalt-modified molybdenum disulfide nanoflower material of different morphology sizes.

The invention discloses a modified bentonite and zero-valence iron water treatment agent which adopts an effluent treatment technology of blending the modified bentonite and the zero-valence molten iron, wherein the blending ratio of the modified bentonite to the zero-valence molten iron is the weight ratio of the modified bentonite to the zero-valence molten iron between 10:1 and 1:5. The effluent treatment technology has the characteristics of high efficiency in pollutant removal, a long zero-valence iron service life and a wide range PH value of the applicable medium and can be used to treat various effluent and sewage containing inorganic and organic pollutants.

The invention belongs to the technical field of generation and utilization of a gas hydrate, specifically discloses a purpose of oxidized graphene powder in preparing a gas hydrate accelerant, and discloses an oxidized graphene gas hydrate accelerant and a preparation method of the oxidized graphene gas hydrate accelerant. The oxidized graphene gas hydrate accelerant is a dispersion liquid of oxidized graphene, wherein the dispersion liquid comprises, by mass percentage: 0.1-1% of graphene, and 0.3-3.5% of sodium chloride, with the balance being distilled water. The accelerant can further be used for accelerating generation of other gas hydrates, such as hydrates of natural gas, carbon dioxide, and oxygen. The accelerant is good in effect of generating and accelerating the hydrate, wide in application, low in cost, and less in use amount. The condition for generating the hydrate is lowered and the time is shortened; the gas storage capacity is increased; and the economic benefit for producing hydrates is effectively improved.

The invention discloses a levamlodipine besylate tablet. The tablet is prepared by mixing a medicine carrying pellet containing levamlodipine besylate and pharmaceutically-accepted accessories and then carrying out direct compression, wherein the medicine carrying pellet is prepared by using the following method comprising the following steps of: weighting levamlodipine besylate and polyethylene glycol according to the weight ratio of 1: (4-8), then, dissolving levamlodipine besylate and polyethylene glycol into an organic solvent; and spraying the formed solution on a lactose pellet in a fluidized bed, coating and drying to obtain the medicine carrying pellet. The levamlodipine besylate raw material is coated on the outer layer of the lactose pellet and medicine is uniformly distributed on the surface of the pellet, so that the specific surface area of the medicine is greatly increased; and the raw material can be rapidly released, and thus, the medicine dissolution rate and the bioavailability of the levamlodipine besylate tablet are increased.

The invention relates to a method for preparing a composite carbon material with a high specific surface area, which comprises the following steps of: after active carbon is impregnated into saturated aqueous solution of soluble metal salt, carrying out decompression and impregnation for 15 to 60 minutes in a sealed container; filtering and drying the obtained solution; processing the obtained product for 1 to 3 hours under the protection of nitrogen at a temperature of 400 to 600 DEG C and repeating the operation for 2 to 5 times to obtain an active carbon hole blocking material; carrying out impregnation coating of metal salt on the active carbon hole blocking material by solution of VIIIB metal salt; filtering and drying to obtain active carbon coated with a metal catalyst; carrying out vapor phase deposition on the active carbon coated with the metal catalyst to obtain a discharge material; immersing the discharge material in hydrochloric acid solution to remove the catalyst and a hole protective agent in a reaction product; in case of necessity, carrying out stirring or ultrasonic processing; filtering; washing the product into neutrality by de-ionized water; and drying to obtain the composite carbon material. The composite carbon material has the advantages of high specific surface area and high electrical conductivity.

The invention relates to a preparation method for nitrogen, phosphorus and sulfur co-doped mesoporous carbon spheres. The method utilizes polyaniline doped organic acid-phytic acid as a carbon precursor, and uses nano silicon dioxide spheres as a template agent, and polyaniline, phytic acid and ammonium persulfate are simultaneously used as nitrogen, phosphorus and sulfur sources; and high-temperature carbonization is performed, a template substance is removed, and therefore the nitrogen, phosphorus and sulfur co-doped mesoporous carbon spheres are obtained. According to the method provided bythe invention, the prepared mesoporous carbon spheres have a unique pore structure, the high content of codoping of nitrogen, phosphorus and sulfur, and a high specific surface area; the preparationprocess is fast and simple, the structure is controllable, and the carbon spheres are suitable for mass production; and the prepared nitrogen, phosphorus and sulfur co-doped mesoporous carbon spherescan be widely used in the fields of supercapacitors, capacitive desalination, lithium ion batteries, sodium ion batteries and the like.

The invention discloses a catalytic oxidation slow percolation nitrogen and phosphorus removal device. According to the catalytic oxidation slow percolation nitrogen and phosphorus removal device, two stages of grillage machines are arranged above an unpowered biological rotating disc and biological filter integrated device, so as to form a high-level water inlet tube; flowing type molecular sieve packing is paved on the bottom of the high-level water inlet tube; a plurality of biological rotating discs are arranged above the flowing type molecular sieve packing; the biological rotating discs are divided into two zones A and B by a wall body; effluent of the zone B is introduced into an M-type constructed wetland; the M-type constructed wetland is internally divided into two zones by another wall body and is filled with a mixture of gravel and florida diatomite; the effluent of the M-type constructed wetland enters a surface turbulent flow screening device; a sludge discharge hole is formed in the bottom of a turbulent flow sand removal device; a stirring machine which is driven by a motor is arranged on the top of the turbulent flow sand removal device; and impellers of the stirring machine tilt upwards; sewage in a pond makes spiral movement when the impellers rotate. The invention further discloses a method for catalytic oxidation slow percolation nitrogen and phosphorus removal by using the catalytic oxidation slow percolation nitrogen and phosphorus removal device.

Provided is a fibrous columnar structure aggregate having excellent mechanical properties, a high specific surface area, and excellent pressure-sensitive adhesive property. Provided is a fibrous columnar structure aggregate having excellent heat resistance, a high specific surface area, and excellent pressure-sensitive adhesive properties under temperature conditions ranging from room temperature to a high temperature. Provided is a fibrous columnar structure aggregate having a high specific surface area and such pressure-sensitive adhesive property that its adhesive strength for adherends different from each other in surface free energy does not change (the aggregate is free of adherend selectivity). Provided is a pressure-sensitive adhesive member using any such fibrous columnar structure aggregate. A fibrous columnar structure aggregate (1) of the present invention includes fibrous columnar structures having a plurality of diameters, in which the distribution width of the diameter distribution of the fibrous columnar structures having the plurality of diameters is 10 nm or more, and the relative frequency of the mode of the diameter distribution is 30% or less.

A preparation method of a tungsten/copper layer composite material based on surface nanocrystallization of a tungsten sheet is disclosed. The method includes performing surface pretreatment on the tungsten sheet; performing two steps of anodic oxidation and hydrogen reduction annealing in order to obtain a tungsten sheet having a deeply deoxygenated surface nanometer porous structure; electroplating the surface of the tungsten sheet having the nanometer porous structure with copper; and finally subjecting a tungsten/copper electroplated sample to high-temperature diffusion annealing to obtainthe tungsten/copper layer composite material. During preparation, the nanometer porous structure on the surface of the tungsten sheet can increase the contact area and improve surface activity, and can play a role of mechanically meshing a copper layer. A thermal shock method and a cross cut method are adopted to detect whether the copper metal layer shows peeling and shedding phenomena or not. The preparation method has characteristics of a simple process, a stable and pollution-free electroplating solution, a high connection efficiency, a low production cost, and good repeatability, can prepare a tungsten/copper material having a complex shape and based on the inner surface of a workpiece, avoid influences of metal middle layers on material performance, and facilitate industrial application of the tungsten/copper composite material.

The invention relates to a medical beta-titanium alloy composite material with osteogenesis inducting activity and a preparation method thereof. The material comprises a base material and a titanium oxide nano-tube array layer, which is generated in-situ and attached to the surface of the base material and contains BMP-2 cell growth factors. The base material is a medical beta-titanium alloy of the Ti-25Nb-6Zr-xMo family, wherein the x is between 2 and 5. The diameters of nano-tubes, which are generated in-situ on the alloy surface, are between 30 and 50 nm, the lengths of the nano-tubes are between 200 and 300 nm, and the nano-tubes are arranged in arrays and perpendicular to the surface of the titanium alloy. The medical beta-titanium alloy composite material has ultra-low elastic modulus and is capable of forming better interface mechanic matching with the bone tissue. So osteoblasts grow rapidly along the wall on the surface of medical beita-titanium alloy whose surface is loaded with titanium oxide nano-tube biological composite material containing BMP-2, and proliferate obviously. The composite material has a good effect on inducing osteoblasts to proliferate to form bone matrix and can be used to bone replacement or repairing.

The invention discloses an active carbon fiber and a graded porous Ni-Ni3P/active carbon fiber composite material as well as preparation and application of the two. The active carbon fiber contains three elements including C, O and P and is in an amorphous state and a turbostratic graphitic structure; the shape of the active carbon is similar to that of a mulberry silk fiber; and the active carbon fiber is mainly formed by meso-pores and a lot of oxygen-containing functional groups exist on the surface of the active carbon fiber. Ni and Ni3P are loaded on the active carbon fiber through an immersion sintering method to obtain the composite material. According to the invention, mulberry silk is taken as a template, and the prepared active carbon fiber and composite material are good in performance and simple to prepare, have the effect of better degrading organic dyes under light illumination and microwaves, and have good meanings to organic wastewater treatment in practical production.

The invention discloses metal aerogel with a high specific surface area and a preparation method thereof. The method comprises the steps that (1) cellulose aerogel is placed in a sensitizing solution to be soaked and then is washed with water; (2) the treated cellulose aerogel is soaked in a metal chemical plating solution for chemical plating, and metal/cellulose composite aerogel is obtained; (3) the metal/cellulose composite aerogel is placed in a LiOH/urea solution, the process of removing a cellulose aerogel template is conducted at a low temperature, and a nanometer porous metal solution is obtained; and (4) the prepared nanometer porous metal solution is washed with water, then is subjected to solvent exchange with acetone and is dried, and the metal aerogel with the high specific surface area is obtained. The method adopting the cellulose aerogel as the template for preparing the metal aerogel with the high specific surface area is provided for the first time. The cellulose aerogel has a high specific surface area and is of a pore structure suitable for chemical plating. Meanwhile, the template is easy to remove after the chemical plating, and reference is provided for preparation of metal aerogel with other templates.

The invention relates to an acidic soil conditioner with straw as a raw material, a preparation method and an application thereof. The preparation method includes the steps of: mixing straw powder with attapulgite, adding the mixture to an alkali liquid and heating the liquid for a certain time, performing solid-liquid separation and drying the solid; and adding hydrochloric acid to the liquid to precipitate lignin, performing solid-liquid separation and drying the solid; and uniformly mixing the two solids with a calcium magnesium phosphate fertilizer and ironmaking slag according to ratio to obtain the acidic soil conditioner. The acidic soil conditioner is alkaline and has high content of organic substances, is high in specific surface area and adsorption property, contains various nutrients required by crops, can be used for regulating the pH of soil and adsorbing and passivating heavy metal and increasing organic substances in soil, promotes formation of aggregate structures in soil, improves permeability of soil, promotes growth of plants and is reduced in risk of soil caking when being applied.

The invention relates to a method of regenerating used oil by adopting antibiotic waste mushroom dreg biomass charcoal. The method comprises the following steps: 1) sterilizing and dehydrating antibiotic waste mushroom dregs to prepare waste mushroom dreg biomass charcoal or biomass active charcoal; 2) standing and layering the used oil, removing water at the lower layer and then filtering out solids and suspended solids to obtain the treated used oil; and 3) adding the used oil into the waste mushroom dreg biomass charcoal or biomass active charcoal, heating for reaction, and settling and carrying out suction filtering to obtain the regenerated oil. The method provided by the invention has the advantages that the biomass charcoal or biomass active charcoal prepared by antibiotic waste mushroom dregs has high specific surface area and good adsorptive property, solves the problem in disposal of waste mushroom dregs and realizes recycling of resources; a good decolorising agent is developed for the used oil, and the transmittance of the regenerated oil can reach 45-85%; recycle, reduction and harmless treatment of waste mushroom dregs and used oil are realized, so that the method has remarkable economical and social values.