81 results about "Peanut hull" patented technology

The invention discloses a hard carbon sodium battery negative electrode material taking peanut shells as a raw material, which is micron-sized particles of mixed nano-particles containing C, O, Na and N. After the material is subjected to ultrasonic dispersion, holes are wrapped by graphitization-like areas with the size range of 0.6-3 nm to form disordered accumulation, and the average graphite layer spacing is 3.6-4.0. The preparation method comprises the following steps: heating and pre-oxidizing the peanut shells in an air atmosphere, grinding or crushing the peanut shells into powder, adding a disodium ethylene diamine tetraacetate solution, uniformly stirring, and drying; and calcining and carbonizing the dried mixture in a nitrogen atmosphere, and cooling to obtain the hard carbon sodium battery negative electrode material taking the peanut shells as the raw material. When the obtained hard carbon material serves as a sodium ion battery negative electrode and is charged and discharged at 0.1 C, the initial charging specific capacity can reach 274-318 mAh.g <-1 >, the first-circle coulombic efficiency reaches 74%-84%, and the problems that a hard carbon sodium battery negative electrode material is low in capacity and low in initial coulombic efficiency are solved.

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.

A mushroom substrate is formed from a composition including cotton gin waste and peanut shells.

The utility model relates to a fermentation device for pig feed processing, which comprises a tank body, the top of the tank body is connected with a cover body through a bolt, one side of the cover body is fixedly connected with a feeding cylinder, a rotatable rotating rod is arranged in the feeding cylinder, a plurality of cutting knives are fixed on the rotating rod, an annular pipe is fixed on the lower side of the cover body, and a plurality of watering holes are formed in the lower side of the annular pipe. The water spraying holes face the side wall of the tank body, the upper side of the annular pipe is fixedly communicated with a water inlet pipe, the top of the water inlet pipe extends out of the cover body, a rotatable rotating column is arranged in the tank body, and a concave stirring piece is fixed to the rotating column. Raw materials such as straw, peanut shells and cotton seed hulls are put into the feeding barrel, a rotating rod rotates to drive a cutting knife to rotate, and therefore the raw materials put into the device are smashed again, the smashed raw materials enter the tank body through the bottom of the feeding barrel, a leavening agent and water are added into the device, and the raw materials are evenly mixed. The rotating column drives the stirring rod to rotate and stir for fermentation.

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 invention relates to a fine screening structure of a peanut husking and screening machine and the peanut husking and screening machine, and discloses the fine screening structure of the peanut husking and screening machine for accurately separating peanut kernels and peanut shells through multiple layers of filter plates. The device is characterized by comprising a thickened fixing ring, a first layer of filter plate, a second layer of filter plate, a third layer of filter plate and a plurality of layers of springs, the thickened fixing ring is of a U-shaped structure, the thickened fixing ring is composed of a bottom plate and two side plates, the thickened fixing ring is obliquely arranged, openings are formed in the two ends of the bottom face of the thickened fixing ring, and the two sides of the thickened fixing ring are open. Heightening columns are fixedly arranged at the two ends of a bottom plate of the thickened fixing ring, holes are formed in the bottom ends of the heightening columns, the holes correspond to supporting columns on the peanut shelling and screening machine in a one-to-one mode, the holes are formed in the corresponding supporting columns in a clamped mode, and an opening of the thickened fixing ring is opposite to a collecting channel on the peanut shelling and screening machine. The lowest position of the thickened fixing ring is higher than the bottom end of the square conveying hole in the screening box of the peanut shelling and screening machine.

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 a water sieve structure of a peanut sheller and the peanut sheller, and discloses the peanut sheller which distinguishes peanuts from peanut shells through water, preliminarily cleans peanut kernels and improves the sieving effect at the same time. The device is characterized by being composed of a processing box, a partition plate, a dustproof cover, a handle, a supporting column, a supporting plate, a water pump, a water pipe, a drainage fan, a water filtering box, water filtering holes, a screening box, a slope opening, a sealing plate, a first electric push rod and a water outlet valve, the processing box is of a cuboid structure and is of a hollow structure, and the partition plate is fixedly arranged on the inner side face of the processing box and is of a cuboid structure; the bottom end of the partition plate is fixedly connected with the bottom face of the processing box, the height of the partition plate is smaller than that of the processing box, the partition plate is placed in the vertical direction to divide the processing box into two equal parts, namely a collecting bin and a screening bin, and the bottom face of the screening bin is of an opening structure. And a square hole is formed in the top surface of the processing box.

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.

To provide a production method of a molded article such as an ornament, and a decorative material having healing effect and deodorant effect by a Maillard reaction, and a molded article produced by the production method.SOLUTION: A production method of a molded article includes: a process of grinding peanut shells into powder; a process of mixing salt to boiling water; a process of mixing corn starch to the water; a process of mixing a powdery husk of peanut to the water to generate a clay-like material; and a process of molding a molded article using the clay-like material. A molded article such as an ornament and a decorative material having healing effect and deodorant effect by a Maillard reaction can be molded by mixing a powdery husk of peanut with boiling water to generate a clay-like material.SELECTED DRAWING: Figure 1

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.

The utility model discloses a sludge treatment tank, which relates to the technical field of sludge treatment and comprises a tank body, a feeding box fixedly arranged at the top of the tank body, a box cover rotatably arranged at the top of the feeding box, a rotating groove fixedly arranged at the top of the feeding box, two torsion springs fixedly arranged in the rotating groove, and one ends of the two torsion springs fixedly connected with the box cover. A first motor is fixedly arranged at the top of the tank body. The second motor is adopted to drive the gear to smash organic materials such as straw, mushrooms, peanut shells or rice husks, and in order to improve efficiency and reduce waste of manpower and material resources, the second motor is used for driving the ratchet wheel on the rotating shaft to directly smash the organic materials such as the straw, the mushrooms, the peanut shells or the rice husks. The ratchet wheel can smash solids in the sludge, the solids are prevented from damaging the stirring paddle or blocking the opening, the device is complete in function and simple in structure, the time for workers to be familiar with the device is shortened, and the device can work quickly.

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.