26 results about "Peanut hull" patented technology

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 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 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.

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 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 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 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.

The utility model belongs to the field of peanut shelling equipment, and particularly relates to a peanut sheller which comprises a separating cylinder, supporting frames are symmetrically and fixedly assembled on the two symmetrical side faces of the separating cylinder, guide rods are fixedly assembled between the two supporting frames, sliding blocks are movably assembled on the guide rods, a traction frame is fixedly assembled between the two sliding blocks, and the traction frame is fixedly assembled between the two sliding blocks. The peanut sheller is characterized in that a sliding block is fixedly assembled on the sliding block, a traction frame is symmetrically and movably assembled on the sliding block, traction rods are symmetrically and movably assembled on the traction frame, bearing blocks are fixedly assembled on the traction rods, and an air blower is fixedly assembled on the side face of the separating cylinder. The problems that peanuts enter a liquid cylinder sheller from a hopper to be shelled, then shelled peanut shells and peanut kernels enter a grain separating screen to be separated, however, when the peanut shells and the peanut kernels enter the grain separating screen in actual operation, the grain separating screen is prone to being blocked, the using effect is affected, and the working efficiency is reduced are solved.

The utility model relates to the technical field of agricultural equipment, and discloses an efficient screening device for a peanut sheller, which comprises a rack, a shell opening machine is fixedly mounted on the inner wall of the rack, a vibrating screen is arranged on the inner wall of the rack, a material uniformizing mechanism is arranged at the bottom of the shell opening machine, a quantifying mechanism is arranged on the material uniformizing mechanism, and the vibrating screen is arranged on the vibrating screen. And the material uniformizing mechanism comprises an inclined plate, the inclined plate is fixedly installed at the bottom end of the shell opening machine, the inner wall of the inclined plate penetrates through and is rotationally connected with a rotating shaft, one end of the rotating shaft is fixedly provided with a first hollow rod, the other end of the rotating shaft is fixedly provided with a material guiding plate, and the inner wall of the inclined plate is slidably connected with a sliding rod. According to the peanut shell screening device, peanut kernels and peanut shells discharged by the shell opening machine can be evenly laid on the vibrating screen through the arrangement of the inclined plate in cooperation with reciprocating swing of the material guide plate, then the screening performance of the vibrating screen can be fully exerted, and the screening efficiency of the peanut shells is improved.

The invention relates to cleaning casting powder containing peanut shells and high-breathability clay green sand prepared from the cleaning casting powder, and belongs to the technical field of casting. The invention provides a composite additive for improving air permeability and high-temperature stability of clay green sand. The composite additive comprises peanut shell powder and a metal organic framework material. The mass ratio of the peanut shell powder to the metal organic framework material is (2-4): 4. The invention further provides the high-permeability clay green sand which comprises the following raw materials in percentage by weight: 88-91% of crude sand, 4-6% of bentonite, 1.5-3.0% of a composite additive and 2.8-4.0% of water. According to the clean casting powder green sand prepared with the peanut shells as the additive, peanut shell agricultural waste is used for replacing a high-pollution pulverized coal additive used in traditional casting, the air permeability, strength and high-temperature stability of clay green sand are improved, and the clean casting powder green sand is safe, environmentally friendly and beneficial to industrial production.

The invention discloses a method for preparing peanut shell oligosaccharide by a xylanase method. The method comprises four steps of pretreatment of peanut shells, extraction of peanut shell polysaccharide, enzymolysis reaction of xylanase and determination of the peanut shell oligosaccharide. The method comprises the following steps: selecting a mildew-free peanut shell raw material, removing impurities such as soil, stones and residual peanut kernels, cleaning with clear water for multiple times until the water is clear and free of turbidity, and drying and crushing the cleaned peanut shells; the peanut shells with low utilization rate are used as raw materials and are converted into oligosaccharide with high added value through directional degradation, the problems of resource waste and environmental pollution caused by discarding of the peanut shells are solved, the comprehensive economic benefits of the peanut processing industry are improved, the xylanase method is adopted for preparation, the reaction is mild, the specificity is high, the enzymolysis efficiency is high, and the molecular weight distribution of products is uniform. The defects of pollution of a chemical method and high energy consumption of a physical method are avoided; the preparation process is simple in steps, required equipment is conventional equipment, the investment cost is low, and industrial large-scale production is easy to realize.

The invention provides a preparation method of a high-strength and high-heat-insulation peanut shell-based polypropylene composite material, and belongs to the technical field of polymer composites.The preparation method comprises the following steps that S1, alkali liquor etching pretreatment is conducted on peanut shell fibers; s2, local grafting modification of a coupling agent; s3, carrying out secondary activation anchoring on the rigid particles; s4, carrying out multi-component melt blending and interface regulation and control; and S5, carrying out post-treatment. According to the method, waste peanut shell resources are used as raw materials, and the problems that rigid particles are prone to agglomeration, the binding force of the rigid particles on the fiber surface is weak, and stress is concentrated are solved through a multi-step process including alkaline pretreatment, coupling agent local grafting modification, nano rigid particle hybridization, plasma secondary activation and EAA interface regulation and control; the mechanical property of the prepared composite material is obviously improved; meanwhile, the micron-sized pore structure of the peanut shells retains a nano coarse structure and an interface thermal resistance network constructed by the nano particles to form a three-stage thermal insulation mechanism, so that the heat conductivity coefficient is obviously reduced.

The invention discloses a peanut shell fertilizer processing device, and relates to the technical field of peanut shell processing, the peanut shell fertilizer processing device comprises a device body, one side of the device body is fixedly connected with a feeding pipe, the top surface of the feeding pipe is fixedly connected with a feeding hopper in the vertical direction, and the other end of the feeding pipe is fixedly connected with one side of a processing box; and the other side of the processing box is fixedly connected with a treatment box, and a discharging hopper is fixedly installed in the treatment box. The peanut shell crushing device is reasonable in structure, and efficient and uniform crushing of peanut shells is achieved through the graded crushing process of the crushing assembly and the grinding assembly and the synergistic effect of coarse crushing volume reduction and fine grinding quality improvement.

The utility model relates to the technical field of peanut husking, and discloses a husking structure for a peanut husking machine, which comprises a screen, a first support, a second support, a semicircular husking box, a roll shaft, a scraper blade, a driving mechanism and a handheld handle. According to the peeling structure for the peanut sheller, the screen, the semicircular shelling box and the scraping plate are arranged in a matched mode, the scraping plate is welded to the bottom of the semicircular shelling box, the semicircular shelling box horizontally rotates by 90 degrees or 60 degrees to swing and is matched with the screen plate to rub and extrude peanuts, and the rubbing force can be controlled by adjusting the rotating angle of the semicircular shelling box; peanut kernels and peanut shells peeled through friction and extrusion are screened down through the screen, gaps are formed between the scraping plates, and forced extrusion and crushing of peanuts caused by mixing or local accumulation in the shelling link are avoided, so that the crushing rate of the peanuts is reduced, and the energy consumption of the device is reduced.

Peanut peel negative pressure collection device, including collection box, the top of the collection box is communicated with the air inlet pipe, the side of the collection box is communicated with the air outlet pipe, the air outlet pipe is equipped with negative pressure air pump and sleeve, the collection box is connected with the opening and closing door through the hinge structure, the opening and closing door is magnetically attracted to the collection box and is equipped with handle structure, the collection box is equipped with multiple groups of first filter material structure, the both ends of the sleeve are equipped with second filter material structure. With the above structure, the efficiency of the peel collection and treatment is improved, the peel is quickly collected through the multi-layer filter screen structure; the excessive residual accumulation in the negative pressure pump is avoided, the equipment life is affected, and the cleaning frequency is reduced; the filter material area is increased, the filtering effect is improved, the small size peel is intercepted and further broken through double filtering, the material blockage and the influence on the working stability of the negative pressure pump are avoided, and the load of the first filtering unit is judged according to the tail end jet flow rate, so that the filter material collection effect is kept efficient and stable.

The invention belongs to the technical field of agricultural resource utilization and soil improvement, and particularly relates to a method for preparing a soil conditioner by mixing peanut shells and egg shells and application of the soil conditioner. The soil conditioner is prepared from the following raw materials: 35-47 parts of modified peanut shell powder; 20-30 parts of modified egg shell powder; 6-14 parts of a humic acid-calcium complex; 5-12 parts of modified zeolite; 1.5 to 3.5 parts of a chitosan-alginic acid compound; and 0.2 to 0.8 part of a rhizosphere adjusting component.

The invention provides a cobalt-loaded peanut shell biochar composite material as well as a preparation method and application thereof, and relates to the technical field of functional materials, the preparation method of the material comprises the following steps: dispersing peanut shell biochar in a CoCl2. 6H2O aqueous solution, and carrying out a hydrothermal reaction; after the reaction is completed, drying to obtain a solid product; the obtained solid product is heated in an inert atmosphere and pyrolyzed again, the pyrolysis temperature is 750-850 DEG C, and the cobalt-loaded peanut shell biochar composite material is prepared; wherein the mass ratio of the peanut shell biochar to the cobalt salt is 1: (1-5), the prepared composite material has high cobalt loading capacity, high-content cobalt species are stably loaded on the peanut shell biochar in a high-dispersion form, and high catalytic activity, high reaction stability, low leaching rate and high recycling stability are achieved; particularly, the strain has remarkable advantages in the aspect of activating peroxyacetic acid to degrade organic pollutants.