42 results about "Peanut hull" patented technology

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.

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 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 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 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.

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 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.

A vertical umbrella-shaped peanut multifunctional shelling device, comprising a shelling chamber, a vertical rotary umbrella-shaped sieve located in the shelling chamber and a wall breaking frame, the vertical rotary umbrella-shaped sieve is rotatably connected in the shelling chamber through a power main shaft, the wall breaking frame is fixedly connected on the shelling chamber, a gap for crushing peanut shells is arranged between the vertical rotary umbrella-shaped sieve and the wall breaking frame, the peanut fruits entering the shelling chamber fall on the vertical rotary umbrella-shaped sieve and are broken after contacting with the wall breaking frame driven by the vertical rotary umbrella-shaped sieve, and the peanut kernels and the broken peanut shells are discharged from the pores of the vertical rotary umbrella-shaped sieve out of the shelling chamber. The vertical sieve separation mode is adopted, so that the actual shelling area is much larger than the actual working area of the horizontal sieve, the open crushing chamber is used, the shelling is carried out by imitating the hand rubbing mode, the high breakage rate caused by the forced damage due to the high pressure in the chamber is avoided, and the working speed of the motor is reduced to improve the breakage rate of the peanut kernel shelling.

The application provides a black fungus cultivation substrate using agricultural wastes and a preparation method thereof, and relates to the technical field of edible mushroom cultivation.The black fungus cultivation substrate using agricultural wastes and the preparation method thereof comprise the following steps: removing impurities and drying corn cobs, bean straws, peanut shells and rice husks, and crushing and screening them respectively.The black fungus cultivation substrate using agricultural wastes and the preparation method thereof are prepared by compounding agricultural wastes such as corn cob powder, bean straw powder, peanut shell powder and rice husk, and combining components such as wheat bran, soybean meal, gypsum powder, quicklime and superphosphoric acid calcium, so that a cultivation substrate suitable for the growth of black fungus is constructed.Meanwhile, by controlling the water content, pH value and carbon-nitrogen ratio of the substrate, the unity of the resource utilization of agricultural wastes and the formula optimization of the black fungus cultivation substrate is realized, which is beneficial to reducing the cost of cultivation raw materials, reducing the dependence on traditional wooden raw materials, and providing a more suitable nutrient and physicochemical environment for the growth of black fungus mycelium.

The invention provides a solar-driven interface evaporation device based on a carbonized peanut shell-based evaporator. The solar-driven interface evaporation device comprises an evaporation chamber and a water storage chamber, the evaporation chamber is arranged above the water storage chamber, the bottom of the evaporation chamber is connected with the water storage chamber through a porous supporting plate, a plurality of holes are formed in the porous supporting plate, a carbonized peanut shell based evaporator is installed in each hole in a matched mode, the upper portions of the evaporators are located in the evaporation chamber, the lower portions of the evaporators extend into the water storage chamber, and the upper surface of the porous supporting plate is obliquely arranged; a top plate of the evaporation chamber is a composite light-transmitting plate, and the composite light-transmitting plate comprises at least two layers of light-transmitting plates and an air interlayer arranged between the light-transmitting plates; a water catchment channel is further arranged in the evaporation chamber and communicated with the water collection chamber. The carbonized peanut shell-based evaporator is adopted to increase the evaporation rate, the composite light-transmitting plate is adopted as the top plate of the evaporation chamber, a traditional top condensation mode is abandoned, and a bottom condensation mode is adopted, so that the problem of light loss caused by top plate dew formation in the traditional technology is effectively solved, and the seawater desalination or sewage purification efficiency is greatly improved.

The invention belongs to agricultural machinery, and particularly relates to a walking type peanut film-removing and fruit-picking machine. A peanut picking device is arranged below a bottom frame of a cab, the peanut picking device frame is fixed on the frame by bolts and nuts, a blowing machine for removing impurities is fixed on the left side of the frame above the peanut picking device, an upper peanut clamping sprocket and a lower peanut clamping sprocket are arranged on one end of the peanut picking device frame, a plunger valve is arranged above the plunger, a plunger valve spring is arranged around the plunger valve, a plunger valve oil path hole is arranged radially on the plunger valve, the plunger valve oil path hole is connected with a hydraulic pump oil path interface and a boom controller oil path interface, a fruit picking box is driven by a chain box driving gear driven by a chain box hydraulic motor, a transmission sprocket two is arranged in a bearing seat of a fixed frame outside a transmission belt shaft, a peanut pod storage hopper is arranged above the left side of the frame, and a pod cleaning screen is arranged above the peanut pod storage hopper. The peanut film-removing and fruit-picking machine has the advantages of compact structure, small size, convenient and flexible operation, high working efficiency, low peanut pod damage rate, and low stem and leaf loss.

The invention relates to the technical field of electrode materials, in particular to peanut shell based graded porous carbon and a preparation method and application thereof. The invention provides a preparation method of peanut shell-based graded porous carbon, which comprises the following steps: carbonizing peanut shells to obtain carbonized coke; mixing the carbonized coke with an activating agent, and activating the obtained mixture to obtain the peanut shell based graded porous carbon. The peanut shell-based hierarchical porous carbon prepared by the preparation method has excellent electrochemical performance in a redox electrolyte.

The invention belongs to the technical field of aquaculture feeds, and discloses a penaeus vannamei boone feed capable of rapidly generating and stabilizing biological flocs and a preparation method of the penaeus vannamei boone feed. The feed comprises a nitrogen source, a quick-acting carbon source, a slow-release carbon source, compound microorganisms, compound vitamins, compound minerals, a carrier and a stabilizer, the quick-acting carbon source comprises at least one of molasses, glucose and brown sugar; the slow-release carbon source comprises at least one of bran, flour, corncob, peanut shell and wheat straw; the carbon-nitrogen ratio of the feed is greater than or equal to 15: 1. According to the invention, the rapid generation of the biofloc and the nutrition enrichment function are integrated into the single feed for the first time to form the low-protein dual-module carbon source feed, so that the breeding cost can be remarkably reduced. By accurately controlling the carbon-nitrogen ratio of the feed to be not less than 15: 1, the nutritional requirements of the penaeus vannamei boone and the carbon source and nitrogen source required by the growth of the biofloc are met at the same time.

The invention discloses a peanut shell carbon positive electrode material, a preparation method and application of the peanut shell carbon positive electrode material in an aluminum ion capacitor. The carbon positive electrode material which is high in specific surface area, rich in pore structure and excellent in conductivity is prepared through the processes of pretreatment, carbonization, synergistic effect of multiple activators, electrode assembly and the like on the peanut shells, the carbon positive electrode material is applied to the aluminum ion capacitor, high specific capacitance, excellent rate capability and excellent cycling stability are shown, and the performance of the aluminum ion capacitor is improved. And a simple, convenient and low-cost new way is provided for industrialization of green sustainable energy storage devices.

The application provides a directional shelling machine for peanut seed saving, which comprises a feeding system, a pod clamping system, a shell-seed separation system, a collecting system, a posture adjusting and directional extruding system; the feeding system is used for automatically arranging pods and sending the pods to the posture adjusting and directional extruding system; the pod clamping system is used for pod extraction to facilitate the shell-seed separation system to separate the pod shell and the seed; the shell-seed separation system is used for separating and sucking the pod shell along the suture line to realize the separation of the pod shell and the seed; and the collecting system is used for collecting the peanut seeds and the peanut shells after shelling. The application solves the problems that the prior art cannot realize uniform cracking along the whole suture line, the shelling is not complete, the positioning depends on the peanut shell imitation mold, the application range is limited, manual classification or additional equipment is needed, and the seeds are easily damaged again.

The invention discloses clean casting powder containing metal oxide and high-collapsibility molding sand prepared from the clean casting powder, and belongs to the technical field of environment-friendly casting molding sand. The invention provides cleaning casting powder containing metal oxide, which is prepared from bentonite, a biomass material rich in cellulose and magnesium oxide according to the mass ratio of (4 to 6): (1.0 to 2.5): (0.2 to 0.8). The invention also provides clean casting powder containing the metal oxide. The clean casting powder comprises the following raw materials in parts by mass: 100 parts of basic crude sand; 5.2 to 9.3 parts of clean casting powder; and 3.0 to 4.0 parts of water. The magnesium oxide and the biomass material rich in cellulose are adopted to generate a synergistic effect, so that the problem that the collapsibility is poor when the peanut shell powder and other similar biomass materials are applied to casting green sand is solved, the high-temperature residual strength can be reduced to 50-80 kPa, and the effect of improving the collapsibility of the green sand is achieved.

The invention relates to the technical field of biochar, and particularly discloses a catalyst of biochar loaded nano zero-valent iron and a preparation method of the catalyst. According to the catalyst, biochar formed by pyrolysis of peanut shell powder is used as a carrier, ferric trichloride is reduced into nanoscale zero-valent iron through a carbon thermal reduction method, and the nanoscale zero-valent iron is uniformly loaded on internal pores and the surface of the carrier. The catalyst can efficiently activate persulfate, can be used for degrading phthalate pollutants in water, has the technical effects of good dispersity, high catalytic activity, strong stability, environmental friendliness and the like, and has a relatively good application prospect in the field of environmental restoration.

The application discloses an oil efficient shelling and separating device, and relates to the technical field of screening and separating, which comprises a rack, a shell breaking box is installed on the rack, a shell breaking mechanism is installed in the shell breaking box, the shell breaking mechanism comprises two groups of parallelly arranged shell breaking knife groups, is used for grading and shelling peanuts, and a separating mechanism is further installed on the rack. In the application, a "blowing + circulating screening" system is constructed by cooperating a fan with a material collecting pipe, a half-section circular pipe and a circulating processing cylinder. The peanut shells and kernels which are not completely separated are separated for multiple times by the circulating processing cylinder and the circulating screening assembly, and no additional equipment is needed. The application solves the problem of incomplete separation, reduces the cost, and realizes deep separation of the shells and kernels. Compared with the single separation mode of the existing equipment, the application has better separation completeness and kernel purity.

The invention discloses peanut shell-based porous graphitized carbon, a preparation method and a supercapacitor electrode, and belongs to the technical field of supercapacitors, and the method comprises the steps: crushing peanut shell carbon, screening, mixing with a Na2CO3 solution, carrying out microwave-assisted immersion treatment, then carrying out centrifugal separation, washing to be neutral, and drying to obtain an activated precursor; then carrying out heat treatment in an inert atmosphere, cooling, washing and drying to obtain peanut shell carbon powder; then carrying out ball-milling mixing with an EDTA-Ni catalyst, and drying to obtain a catalytic graphitization precursor; and finally, performing catalytic graphitization treatment in an inert atmosphere, cooling, performing ultrasonic treatment with an EDTA (Ethylene Diamine Tetraacetic Acid) solution, washing, and drying to obtain the peanut shell-based porous graphitized carbon. Peanut shell-based porous graphitized carbon is used as a core active material, the raw material is green, sustainable and low in cost, the specific capacitance is 276-328F / g, the 5000-time cycle retention rate is 87.9%-92.5%, the method is adaptive to a conventional electrolyte, the process is mature, large-scale production is easy, the mass transfer efficiency is high, and an idea is provided for green and low-cost development of energy storage devices.

The invention relates to the technical field of preparation of environment-friendly packaging materials, in particular to a process for preparing a packaging inner support from corncobs and peanut shells, which comprises the following steps: step 1, a raw material pretreatment stage: 1a, corncob pretreatment: screening dried and completely dried corncobs, grinding the corncobs into powder by using a grinding machine, screening the powder by using a 100-mesh screen to remove large-particle impurities so as to obtain corncob powder, preparing for later use; agricultural wastes such as corncobs and peanut shells are used as main raw materials, waste resource utilization is achieved, the raw material cost is reduced by 30% or above, meanwhile, environmental pollution caused by incineration of the agricultural wastes is reduced, through the design of a composite framework of corncob powder, peanut shell powder and bamboo powder and regulation and control of a composite adhesive, the hardness of a finished product is larger than or equal to 65 ShoreD, the impact strength is larger than or equal to 2.5 kJ / m, and the service life of the finished product is prolonged. The bending strength is greater than or equal to 15MPa, and the buffer protection requirements of precise products such as electronic products can be met.