67 results about "Peanut hull" patented technology

The utility model discloses a peanut sheller. The peanut sheller comprises an extrusion bin and a locking mechanism, an air blowing bin is arranged at the lower end of the extrusion bin, a screening hopper is arranged at the lower end of the air blowing bin, an insertion groove is formed in the upper end of the extrusion bin, an insertion plate is inserted into the insertion groove, and a cleaning scrubbing brush is arranged in the insertion plate; the locking mechanism comprises locking ribs, fixing shafts and locking handles, the locking ribs are fixedly connected to the front end and the rear end of the insertion plate respectively, the fixing shafts are fixedly connected to the front end and the rear end of the extrusion bin respectively, the locking handles are rotationally connected to the middles of the fixing shafts respectively, the locking handles are connected with the longitudinally adjacent locking ribs in an inserted mode, and the locking mechanism further comprises locking openings. According to the peanut husking machine, peanut shells on the outer surfaces of the extrusion rollers can be cleaned in time, the situation that the subsequent peanut husking effect is affected due to accumulation of the peanut shells is avoided, and meanwhile replacement of the cleaning scrubbing brush is facilitated.

The invention discloses ZrMn and peanut shell biochar as well as a preparation method and application thereof in adsorption of heavy metal cadmium. The biochar is obtained by loading zirconium oxide and manganese oxide on peanut shell biochar. Compared with a traditional adsorbent, the zirconium and manganese mixed modified biochar has a better removal effect on heavy metals, namely cadmium, Pb and Cu, and can be used for removing the heavy metals in multiple directions. Moreover, after the ZrMn and peanut shell biochar adsorbs heavy metals, the adsorption performance of the ZrMn and peanut shell biochar can be recovered through proper regeneration treatment, and compared with some disposable adsorbents, the ZrMn and peanut shell biochar has higher recoverability and reutilization potential.

The invention discloses biomass-based ultra-microporous honeycomb porous carbon as well as a preparation method and application thereof, and belongs to the field of environment-friendly adsorption materials. The preparation method comprises the following steps: selecting peanut shells as a carbon source, fully grinding and mixing peanut shell powder and a potassium carbonate solid in an inert atmosphere, putting into a tubular furnace, carrying out segmented heating activation in the inert atmosphere, cooling an activated product, taking out, washing with an acid solution and deionized water in sequence, and drying. The raw material source is stable, the cost is low, agricultural waste recycling is achieved, no extra heteroatom source is needed, and the adsorbent has the cost advantage and efficient adsorption performance and is suitable for carbon dioxide capture.

The invention discloses a preparation method and application of a FeCo-MOF derived CoFe2O4 / biochar composite material, and belongs to the technical field of antibiotic wastewater treatment. The method comprises the following steps: (1) dissolving terephthalic acid in DMF (Dimethyl Formamide) to form a solution A, dissolving ferric salt and cobalt salt in DMF to form a solution B, mixing the two solutions, reacting, centrifuging, washing, drying and grinding to obtain a FeCo-MOF material; and (2) mixing the FeCo-MOF material with peanut shells, grinding, calcining the obtained mixed powder in an N2 atmosphere, and then grinding to obtain the FeCo-MOF derived CoFe2O4 / biochar composite material. When the prepared composite material is used as a catalyst to degrade OFL in a PMS system, the degradation efficiency reaches 79.78%-89.89%, and the degradation rate constant reaches 0.094 min <-1 >-0.139 min <-1 >.

The invention discloses a biochar-loaded red mud adsorbing material and a preparation method and application thereof, and belongs to the technical field of biochar materials, and the biochar adsorbing material loaded with red mud particles is obtained by pyrolyzing peanut shell powder impregnated with red mud. Red mud is loaded on the surface of biochar, the specific surface area and the number of surface functional groups of the adsorption material are increased, the adsorption performance and the adsorption selectivity of the biochar are improved, red mud particles are effectively dispersed through the stable carbon structure of the biochar, the total adsorption sites of the adsorption material are increased, and therefore the strength structure and the adsorption efficiency of the red mud are improved; further, rapid and massive absorption of lead ions is realized, and excellent performance is shown in efficient lead removal in industrial wastewater.

The invention discloses a preparation method and application of a peanut shell extract, and belongs to the technical field of peanut shell extraction. Resveratrol and flavone in peanut shells are extracted through ethyl alcohol, the content of resveratrol and flavone is measured, resveratrol and flavone serve as antioxidants to be used for preparing novel washing-free hand sanitizers, and the application of the resveratrol and flavone is achieved. The washing-free hand sanitizer containing the peanut shell extract is prepared, the performance of the washing-free hand sanitizer is evaluated, the washing-free hand sanitizer is good in heat resistance and cold resistance and has an appropriate pH value, and the antibacterial degree of the washing-free hand sanitizer is equivalent to that of commercially available washing-free hand sanitizers; the problems that the utilization rate of peanut shell byproducts is low, the environment pollution caused by peanut shell waste accumulation is reduced, the problems of three farmers are solved, and rural revival is promoted are solved.

This application discloses a cobalt-supported peanut shell biochar / peracetic acid synergistic system for water treatment and its application. The synergistic system includes cobalt-supported peanut shell biochar, peracetic acid, and water. The cobalt-supported peanut shell biochar comprises a peanut shell biochar matrix and cobalt-containing substances supported on the matrix. The cobalt-containing substances include metallic cobalt and / or cobalt oxides. The mass ratio of cobalt-supported peanut shell biochar to peracetic acid is (2-132):1. The atomic ratio of cobalt to carbon in the matrix is ​​(0.2-0.3):1. The cobalt-supported peanut shell biochar has a mesoporous structure with a total pore volume of not less than 0.07 cm³ / g and a specific surface area of ​​not less than 100 m². 2 / g. When this synergistic system is used to treat water containing organic pollutants, especially sulfamethoxazole, it can achieve a removal rate of over 90% within 3-5 minutes. The system maintains high activity and good stability over a wide pH range and in the presence of common anions, exhibiting excellent continuous operation performance. The degradation pathway of this synergistic system is environmentally friendly and can effectively reduce the toxicity of the products.

The present invention discloses a method for removing ash from catalytic cracking slurry, belonging to the technical field of petrochemical industry, which comprises the following steps: adding a filter medium into the catalytic cracking slurry, heating, stirring, and filtering to obtain a purified slurry; the filter medium includes at least one of peanut shell powder, melon seed shell powder, and walnut shell powder. The present invention adopts a biological carbon source filter medium, which can effectively solve the problems of long ash removal time and poor effect in catalytic cracking slurry, can quickly remove ash, has the characteristics of fast filtration speed, good quality of the purified slurry after filtration, and loose filter residue, has the characteristics of low cost and easy operation, and has broad industrialization prospects.

The invention discloses a method for carrying out reduction roasting on ferromanganese ore through peanut shells and carrying out low-intensity magnetic separation to separate iron and manganese, and belongs to the technical field of metallurgy and mineral processing. The method comprises the following steps: mixing peanut shell powder with ferromanganese ore powder, roasting in a protective atmosphere, cooling, and separating out iron ore concentrate and manganese ore concentrate through a low-intensity magnetic separation method. According to the method, reduction of iron and manganese in the ferromanganese ore is achieved through reducing gas generated in the reduction roasting process of the peanut shells, then the magnetic difference between the reduced iron ore and manganese ore is effectively utilized, and the iron ore concentrate and the manganese concentrate are obtained through low-intensity magnetic separation. The iron ore concentrate and the manganese concentrate obtained through the method can be used for the metallurgical industry, meanwhile, resource utilization of the peanut shell solid waste is achieved, and environmental pollution is reduced.

The application discloses a preparation method of a bio-based carbon black and a battery thereof. The preparation method comprises the following steps: a mixing step, in which a carbon source and a matrix modifier are mixed to obtain a mixture; and a heating step, in which the mixture is carbonized under a heating condition to obtain the bio-based carbon black. The bio-based carbon black is prepared by mixing peanut shell powder and sodium chloride powder, and then high-temperature carbonization and matrix modification, and when the bio-based carbon black is used as a conductive agent of a lithium ion battery, the bio-based carbon black has higher specific capacity and cycle stability.

The utility model discloses a recoverable threshing and cleaning device, which relates to the technical field of peanut kernels, and comprises a threshing machine box, the threshing machine box is a square box body, the surface of the outer wall of the threshing machine box is provided with a ventilation grid, the top end of the threshing machine box is fixedly provided with a hopper, and peanut shells to be threshed are stored in the hopper. A box placing opening is formed in the left side of the threshing machine box, and two sorting boxes are placed in the box placing opening. In the process that the separated peanut shells and peanut kernels fall downwards from the left side of the first conveying belt, the peanut shells are large in size and light in weight through blowing of an air blower, the falling track of the peanut shells is easily changed through blowing of the air blower in the falling process, the track of the peanut shells is inclined in the falling process, and therefore the peanut shells fall into the sorting box close to the box placing opening; peanut kernels are small in size and heavy in weight, the moving and falling direction is not prone to being changed through blowing, and due to guiding, the peanut kernels can vertically fall into the sorting box below. Therefore, stripping and cleaning are achieved.

The present invention belongs to the field of electrode material technology, and specifically relates to an environmentally friendly electrode material for electrolytic fluorination process and a preparation method thereof, comprising the following steps: (1) preparing pyrolyzed peanut shell powder; (2) grinding and cleaning to obtain cleaned pyrolyzed peanut shell powder; (3) ultrasonically dispersing the cleaned pyrolyzed peanut shell powder and polyethylene glycol in deionized water, and then in-situ polymerizing polyaniline; (4) pyrolyzing the polyaniline-modified pyrolyzed peanut shell powder again to obtain an electrode material. The environmentally friendly electrode material of the present invention adopts a two-step carbonization process. The first low-temperature carbonization is to obtain a structurally complete primary peanut shell carbon material, thereby preventing the collapse of the porous structure of the biomatrix in the one-step carbonization process, which is not conducive to the in-situ polymerization of polyaniline. The second carbonization process can promote further carbonization of the peanut shell and polyaniline, thereby improving the conductivity of the carbon material.

The invention provides a preparation method and application of a prepared rhizoma polygonati extract, and the preparation method comprises the following steps: mixing 40-100 parts by weight of prepared rhizoma polygonati which is steamed and prepared for nine times and 1-60 parts by weight of peanut shell powder, adding water which is 3-10 times of the mass of the mixture to submerge the mixture, and then heating to carry out reflux extraction; refluxing for 1-10 hours, cooling to 30-50 DEG C, adding 0.001-0.1 part of amylase, and keeping the temperature for 10-50 hours; and heating to 100 DEG C, keeping the temperature for 10-60 minutes, filtering, and taking the filtrate as the prepared rhizoma polygonati extract. By adding the peanut shell powder and improving the existing enzymolysis process, the rhizoma polygonati extracting solution is easier to filter, the solid yield is increased by 10% or above, and the obtained rhizoma polygonati extract is high in effective component content.

The utility model relates to a peanut shell opening machine, which belongs to the field of food processing equipment and comprises a crushing part and a screening part, the crushing part is detachably arranged above the screening part, and the crushing part is composed of a crushing shell, a crushing mechanism fixedly connected in an inner cavity of the crushing shell and a crank penetrating through the side wall of the crushing shell to be in transmission connection with the crushing mechanism. The screening part comprises a screening shell and a first screening plate, an opening is formed in the upper end face of the screening shell, the first screening plate is detachably connected to the inner wall of the screening shell, and a plurality of screening holes for peanut kernels to pass through are evenly distributed in the first screening plate. According to the peanut shell breaking and kernel removing device, the first sieve plate and the second sieve plate are used for screening shells and peels in sequence, the structure is simple, faults are not prone to occurring, crushing of peanut shells can be guaranteed, the crushed shells and peels can be collected, the environment cannot be polluted, and the overall efficiency of shell breaking and kernel removing is improved.

The invention relates to the technical field of biochar, and one embodiment of the invention provides a biochar adsorption material and application thereof.The biochar adsorption material is prepared by the steps that S1, peanut shells serve as the only biomass raw material, the peanut shells are pretreated, the pretreatment includes screening and removing impurities, it is ensured that the purity of the peanut shells is not lower than 95%, and the biochar adsorption material is prepared; according to the technical scheme, the peanut shell-based biochar is added into the cadmium-contaminated soil, the cadmium adsorption capacity of the soil is remarkably increased, the bioavailability of cadmium is effectively reduced, cadmium absorption of crops is reduced, and meanwhile, the peanut shell-based biochar can adjust the pH value of the soil, improve the acid soil environment and create suitable conditions for crop growth.

The invention relates to the technical field of power cable materials, in particular to peanut shell-based biomass carbon black and application of the peanut shell-based biomass carbon black to a cable shielding material, and a preparation method of the peanut shell-based biomass carbon black comprises the following specific steps: S1, raw material pretreatment; s2, primary pre-carbonization; s3, carbon powder activation; and S4, carrying out secondary carbonization. The cable shielding material is prepared from 58-60% by mass of the peanut shell-based biomass carbon black, 38-40% by mass of linear low density polyethylene, 1-2% by mass of an antioxidant and 1-2% by mass of white oil. Compared with the prior art, the method has the following beneficial effects that the zinc chloride in the activation stage is used as Lewis acid in the high-temperature pyrolysis process and is subjected to dehydration reaction with cellulose, lignin and other components in the biomass to promote aromatization crosslinking and inhibit tar generation, so that a stable porous carbon skeleton is formed, the conductivity, chemical stability and filler dispersity of the carbon black are remarkably enhanced, and the carbon black has a good application prospect. The high requirement of the cable shielding material on the functional filler is met.

The shelling mechanism comprises an adjusting shaft, a power shaft, threaded discs, a sliding block, a striking shaft and a fastener, shaft shoulders are arranged at the positions, close to the two ends, of the adjusting shaft respectively, the threaded discs are connected to the shaft shoulders at the two ends of the adjusting shaft in a sleeved mode respectively, and threaded guide rails are arranged on the surfaces of the sides, away from the corresponding shaft shoulders, of the threaded discs at the two ends. A connecting part is arranged at one end of each power shaft, a plurality of sliding blocks are circularly distributed on each connecting part, the sliding blocks are radially and slidably connected to the connecting parts, the two ends of the adjusting shaft are sleeved with the power shafts respectively and abut against the threaded discs through fasteners, and arc-shaped grooves matched with the threaded guide rails are formed in the sides, close to the threaded discs, of the sliding blocks; according to the peanut hulling mechanism, the gap between the peanut hulling machine seed roller and the gravure screen can be conveniently adjusted, the hulling rate can be effectively increased, and the breakage rate can be effectively reduced.

The utility model discloses a peanut quantitative packaging device, belongs to the technical field of peanut packaging, and aims to solve the problem that when peanut kernels are quantitatively weighed and packaged, peanut shells contained in the peanut kernels are broken, so that the packaged peanut kernels are insufficient in weight after being weighed. Comprising a base, a storage barrel arranged at one end of the base, a feeding pipe fixedly communicating with one end of the top of the storage barrel, a sealing door arranged on the peripheral face of the storage barrel and a movable screening mechanism used for filtering peanut kernels, and the movable screening mechanism comprises a shaking assembly and a stirring assembly; according to the peanut kernel packaging device, peanut kernels can be fully separated from broken shells, the broken shells can penetrate through the material storage barrel to fall to the bottom of the inner cavity of the material storage barrel so that the broken shells can be recycled after the sealing door is opened, and therefore the situation that the amount of the peanut kernels is insufficient in the packaging process is avoided; therefore, the accuracy of quantitative peanut kernel packaging operation is improved.

The invention discloses application of eggshell-doped peanut shell biochar in promoting degradation of hormone herbicide residues, the biochar is prepared from eggshell-doped peanut shells through high-temperature carbonization, and the residues are hormone herbicide quinclorac; according to the present invention, the eggshell is doped with the peanut shell to prepare the biochar, such that the degradation of the quinclorac in the soil can be accelerated, the final residual amount in the soil can be reduced, and the biochar material provides high catalytic activity, and provides good application potential in the reduction of the quinclorac residue in the soil.

The invention provides a preparation method of a peanut shell lignin-based degradable composite material, which comprises the following steps: putting powdery polycaprolactone (PCL), powdery poly (butylene adipate / terephthalate) (PBAT) and powdery peanut shell lignin into an internal mixer for melt blending, taking out, shearing a blending product into fine particles while the blending product is hot, and carrying out extrusion molding to obtain the peanut shell lignin-based degradable composite material. Then putting the particles into a hot-pressing mold, putting the hot-pressing mold into a press vulcanizer for hot pressing, cooling and taking out to obtain the degradable composite material. The method has the characteristics of simple process, short time consumption and high raw material utilization rate. Compared with an industrial lignin-based degradable composite material, the prepared peanut shell lignin-based degradable composite material shows more excellent mechanical properties, the preparation cost of the degradable composite material is effectively reduced, and meanwhile high-valued comprehensive utilization of peanut shell agricultural waste is achieved.

The invention discloses peanut shell-based HAP composite modified charcoal and application thereof in phosphorus-fluorine synergistic curing in phosphogypsum, and relates to the field of functional material preparation. The method is characterized in that peanut shells are used as raw materials and subjected to high-temperature calcination, the peanut shells are compounded with hydroxyapatite (HAP) prepared from ardealite to form modified biochar, and wastewater is treated through the synergistic effect of chemical bonding, physical adsorption and alkaline regulation and control, and the two synergistically adjust the pH and inhibit leaching. The biochar can efficiently remove phosphorus and fluorine in phosphogypsum polluted water and various phosphorus and fluorine wastewater (the concentrations after treatment are respectively less than or equal to 0.5 mg / L and less than or equal to 10 mg / L, and conform to GB 8978-1996), can assist in removing trace heavy metals, and is stable in curing system and free of secondary pollution. The raw materials are agricultural wastes, the preparation is simple and convenient, the cost is low, waste recycling is realized, circular economy and double-carbon targets are met, and the application prospect is wide.

According to the scheme, the shelling device for peanut processing comprises a shell, a hopper is installed at the top end of the shell, an inner rotating disc and an outer rotating disc are rotationally connected to the top end of the shell, a guide disc is arranged between the inner rotating disc and the outer rotating disc, a through guide groove is formed in the guide disc, and an installation cylinder is installed in the bottom end of the shell; a second motor is connected to the mounting cylinder, and an impeller is mounted on an output shaft of the second motor; the inner rotating disc and the outer rotating disc are driven to rotate reversely, peanuts are subjected to rolling friction, peanut shells are promoted to be broken through the angular velocity difference, meanwhile, the peanuts are promoted to move downwards, and therefore the shelling speed is guaranteed, when a jacking column pushes a guide disc to swing, the positions of the peanuts are switched, peanut kernels and peanut shells are conveniently separated, air is blown out from meshes, and under the action of a blocking rod, the peanut kernels are separated from the peanut shells. Peanut kernels and peanut shells are blocked, the falling speed of the peanut kernels and the peanut shells is reduced, the peanut shells are blown away from the falling groove, the peanut kernels enter the bottom of the falling groove, and therefore the peanut kernels and the peanut shells can be separated conveniently.

The invention relates to a method for preparing peanut shell biochar in a carbon dioxide atmosphere to strengthen chicken manure anaerobic digestion, and belongs to the technical field of agricultural waste treatment. In order to solve the problem that the ammonia inhibition relieving effect of common charcoal in the anaerobic digestion process of chicken manure is limited, the invention provides a method for preparing peanut shell charcoal in a carbon dioxide atmosphere to strengthen anaerobic digestion of chicken manure. Dried and crushed peanut shells are placed in a carbon dioxide atmosphere, heated to a pyrolysis temperature at a certain heating rate, and cooled to room temperature after heat preservation for a certain time to obtain the peanut shell biochar, the porosity and the specific surface area of the biochar are remarkably improved, the porous structure of the peanut shell biochar is effectively optimized, the biochar is used for anaerobic digestion of chicken manure, and the yield of chicken manure is increased. Ammonia inhibition can be relieved through multiple mechanisms of promoting interspecific electron transfer, improving the microbial environment, enhancing the adsorption effect and the like, the recycling value of agricultural waste is increased, and a sustainable solution is provided for anaerobic digestion of high-nitrogen organic waste.

The invention discloses a cobalt-loaded peanut shell biochar / peracetic acid water treatment synergistic system and application thereof. The synergistic system comprises cobalt-loaded peanut shell biochar, peracetic acid and a water body, the cobalt-loaded peanut shell biochar comprises a peanut shell biochar matrix and a cobalt-containing substance loaded on the matrix, the cobalt-containing substance comprises metal cobalt and / or cobalt oxide; the mass ratio of the cobalt-loaded peanut shell biochar to the peracetic acid is (2-132): 1; the atomic ratio of cobalt to C in the matrix is (0.2-0.3): 1; the cobalt-loaded peanut shell biochar has a mesoporous structure, the total pore volume is not less than 0.07 cm / g, and the specific surface area is not less than 100 m < 2 > / g. When the synergistic system is used for treating a water body containing organic pollutants, especially sulfamethoxazole, the removal rate can reach 90% or above within 3-5 minutes, the system keeps high activity, good stability and excellent continuous operation performance in a wide pH range and in the presence of common anions, the degradation path of the synergistic system is environment-friendly, and the toxicity of a product can be effectively reduced.

The application belongs to the field of adsorbing materials, and relates to a preparation method and application of waste-based biochar co-pyrolysis ceramsite, including preparation of magnesium modified peanut shell and preparation of waste-based biochar co-pyrolysis ceramsite. The application applies waste to the preparation of ceramsite, and prepares ceramsite products with large porosity, high consolidation, good durability and outstanding blocking effect through process improvement and addition of key components.

The invention belongs to the technical field of filter elements, and particularly discloses a graphene filter element material and a preparation method thereof.The preparation method comprises the following steps that 1, peanut shells are smashed to obtain peanut shell powder, the peanut shell powder is added into an activating agent, the mixture is stirred to be uniform and calcined, and activated carbon is obtained; (2) adding activated carbon, myristyl trimethyl ammonium chloride, tartaric acid and dibutyltin dilaurate into the phosphoric acid solution, and uniformly dispersing at 50-80 DEG C to obtain a mixed solution; (3) adding graphene, polyethylene glycol methyl ether methacrylate, glycidyl methacrylate, sulfydryl silicone oil and an initiator into acetone, and stirring at 50-80 DEG C for 1-5 hours to obtain a modified solution; and (4) dropwise adding the modified solution into the mixed solution, stirring at 50-80 DEG C for 2-6 hours, drying, and carrying out heat treatment to obtain the graphene filter element material. The graphene filter element material has excellent adsorption and filtration effects.

The invention relates to peanut shell-based carbon dots with antioxidant and antibacterial functions and a preparation method of the peanut shell-based carbon dots, and belongs to the technical field of preparation and application of biomass nanomaterials. According to the method, dried and smashed peanut shells are prepared into the carbon dots through a one-step hydrothermal method, the surfaces of the peanut shell-based carbon dots are rich in a large number of phenolic light groups, alcohol functional groups, aldehyde functional groups and other structures, so that the carbon dots have high oxidation resistance, meanwhile, the antibacterial activity of the carbon dots is excellent, and the carbon dots have a good antibacterial effect on staphylococcus aureus and escherichia coli. The manufacturing process is simple, processing wastes are reused, and the method is green and environment-friendly.

The present invention relates to the technical field of nutrient extraction, and more particularly to a method for preparing resveratrol from peanut hulls. This method uses peanut hulls (peanut shells, peanut stalks, and peanut roots), which are residual byproducts after peanut processing, as raw materials after washing. The method then undergoes blanching, drying, crushing, ethanol soaking, subcritical water treatment, centrifugation, pH adjustment, enzymatic hydrolysis with the addition of a complex enzyme, enzyme inactivation, purification, vacuum concentration, and freeze-drying to obtain highly active resveratrol. This method increases the content and purity of resveratrol in the peanut hulls and enhances the functionality of the peanut resveratrol. It also provides a new approach for the comprehensive utilization of peanut byproducts, enabling the intensive processing of agricultural and sideline products and reducing resource waste.

The invention discloses an extraction method and application of peanut byproducts, and belongs to the technical field of comprehensive utilization of peanut byproducts. According to the method, peanut byproducts, namely the peanut shells and the peanut coats, are taken as raw materials, efficient extraction of the peanut shell cellulose and the peanut coat polyphenols is performed on the basis of a sodium hydroxide extraction method and an ultrasonic-ethanol extraction method respectively, and a premise and a guarantee are provided for efficient utilization of the peanut byproducts; then, the obtained peanut coat polyphenol is used for fruit and vegetable preservation, the obtained peanut coat cellulose and peanut coat polyphenol cooperate with carboxymethyl chitosan to prepare the cellulose / chitosan / polyphenol composite film for food preservation, and the composite film which is low in cost, green, natural, non-toxic, good in oxidation resistance, good in antibacterial performance and high in tensile strength is provided to meet actual requirements.

The application belongs to the field of adsorbing materials, and relates to a preparation method and application of recyclable mineral-based carbon balls based on agricultural waste, and comprises the following steps: preparation of magnesium-modified peanut shells: magnesium salt solution is used to modify and load broken peanut shells, and then KOH solution is added for treatment to obtain magnesium-modified peanut shells; preparation of recyclable mineral-based carbon balls: magnesium-modified peanut shells, starch, potassium bicarbonate, and attapulgite, bauxite and water are mixed to granulate and form balls, and the balls are preheated at 150 DEG C to 200 DEG C for 1 h to 2.5 h to form pores; after preheating, the balls are calcined at 500 DEG C to 700 DEG C for 0.5 h to 1.5 h, and then cooled to form recyclable mineral-based carbon balls. The mineral-based carbon balls are used for intercepting or adsorbing nitrogen and phosphorus in farmland runoff during the fertilization period and / or the heavy rain period; when the mineral-based carbon balls are saturated with nitrogen and phosphorus, the mineral-based carbon balls can be recycled for aerobic composting to increase soil fertility.