564 results about "Peanut hull" patented technology

The invention discloses cat litter comprising a composition prepared from the following components in percent by weight: 50-80% of inorganic clay, 5-15% of silica gel, 5-20% of organic substrate and 8-20% of mineral matter, wherein the inorganic clay is selected from one or a mixture of attapulgite, bentonite, kaolinite and sepiolite; the organic substrate is selected from one or a mixture of corncob, corn, wheat, clover, peanut hull, walnut shell, pine wood shavings and broadleaved tree wood shavings; and the mineral matter is selected from one or a mixture of perlite, diatomite, pumice and other low-density mineral matters. The cat litter disclosed by the invention has the following advantages of largely strengthened adsorption deodorization capacity due to the addition of the silica gel component, stronger deodorization capacity by utilizing the adsorbability of natural materials, natural fragrance, small weight and strong caking capability, in particular no dust and easiness for treatment; and the cat litter disclosed by the invention is 40% lighter than the traditional bentonite cat litter.

A hybrid litter for pets and a method of making a hybrid litter for pets is provided. The litter includes a hybrid composition of inorganic clay, silica gel, and biodegradable materials, such as corn, wheat, alfalfa, peanut hulls, ground walnut shells, sawdust, and mixtures thereof and a low density mineral, such as perlite, diatomaceous earth, or pumice.

The invention discloses a weaned lamb forage and a preparation method thereof. The weaned lamb forage is composed of the following raw materials, by weight, 45-55 parts of corn straw, 30-40 parts of Pennisetum sinese Roxb, 15-25 parts of Black Locust leaf, 5-10 parts of Herba Leonuri, 10-20 parts of sweet potato residue, 10-15 parts of brewer's grain, 20-30 parts of peanut hull powder, 1-2 parts of a starter, 40-50 parts of corn flour, 20-25 parts of wheat bran, 10-15 parts of soybean meal, 4-6 parts of a lyophilized powder additive, 3-5 parts of fried rice flour, 5-8 parts of MaiFan stone, 2-4 parts of mandarin oil, 3-6 parts of sodium alginate, 0.2-0.3 parts of calcium carbonate, 0.3-0.4 parts of potassium hydrogen phosphate and 0.3-0.5 parts of salt. The forage contains all nutrition required by the growth of weaned lambs, guarantees the healthy production of the weaned lambs, provides healthcare values, and raises the growth speed of the weaned lambs.

The invention discloses nitrogen-doped porous carbon and a preparation method as well as application of the nitrogen-doped porous carbon to a super-capacitor electrode material and belongs to the technical field of energy source materials and application. The nitrogen-doped porous carbon is prepared by taking natural waste products, namely peanut shells, as raw materials through steps of carrying out ball milling, sieving, carrying out high-temperature activation and washing. The nitrogen-doped porous carbon prepared by the invention has graded pores including micro-pores and medium pores; a main pore diameter range is 2nm to 5nm, the specific surface area is 1000 square meters per gram to 1200 square meters per gram, the nitrogen mass ratio is 8 percent to 10 percent and the mass specific capacitance is 290 Faraday per gram to 310 Faraday per gram; the mass energy density of a nitrogen-doped porous carbon based super-capacitor prepared from the nitrogen-doped porous carbon is 40 watt-hour per kilogram to 43 watt-hour per kilogram; the nitrogen-doped porous carbon has excellent circulating stability so that the nitrogen-doped porous carbon can be better applied to the field of super-capacitor electrodes.

To make peanut hull granules peanut shells are supplied to a flaker where the shells are flaked. The flaked shells are fed into a hydraulic pellet press where they are pressed into pellets using a horizontal die. The pellets are then cooled using cooler. The cooled pellets are processed by a roller mill that crumbles the pellets into granules.

The invention discloses a method for one-step activation synthesis of a nitrogen-doped porous carbon material for a high-performance supercapacitor from biomass such as peanut shells as raw materials, a nitrogen source and an activation reagent. The method comprises crushing biomass such as peanut shells, mixing the crushed peanut shells, the activation reagent and the nitrogen source according to a ratio, adding a certain amount of distilled water into the mixture, carrying out immersion for a period of time, drying the mixture for a certain time, activating the mixture in a tubular furnace at a high temperature for a period of time, filtering the solids, and washing and drying the solids to obtain a high performance nitrogen-doped hierarchical pore carbon material for a supercapacitor. The synthesis route of the method is simple. Through control of use amounts of the activation reagent and nitrogen source, a nitrogen doping amount and a pore development degree of the porous carbon material are controlled so that the nitrogen-doped porous carbon material for a high specific capacity supercapacitor is prepared.

The invention relates to the field of agricultural machinery, in particular to a combined carbonization furnace which utilizes agricultural and forestry residue biomass particles to produce biomass carbon particles, and a carbonizing method thereof. The carbonization furnace contains a furnace body, a top cover, a burner, a swing door, a transverse exhaust pipe and a longitudinal exhaust pipe, wherein each component adopts the split-type design and the components are combined for use. The invention also provides a method which uses agricultural and forestry residue biomass as raw material and adopts the carbonization furnace to prepare biochar. The method comprises the following steps: selecting materials, processing the materials, assembling the furnace body, igniting the materials, filling the materials in the furnace, closing the cover, banking, etc. The agricultural and forestry residue biomass refers to corn stalks, corn cobs, peanut hulls, rice hulls, straws, waste edible mushroom medium for production or other wastes.

The invention provides a method for producing an organic fertilizer from municipal dry branch / fallen leaf waste and application thereof. The method comprises the following steps: collecting branches, fallen leaves and other municipal greening wastes, and mixing Aspergillus niger, Saccharomyces cerevisiae, Bacillus subtilis and Trichoderma reesei to obtain a composite microbial inoculant; adding bran coat, chaff powder or peanut hull meal, the composite microbial inoculant, urea and potassium dihydrogen phosphate, thoroughly mixing, piling into a 1.5-2m-high cone, and controlling the water content at 60-70%; carrying out hide lifting on the pile in the composting process, and fermenting for 20-30 days; and carrying out aerobic and anaerobic fermentation on the dry branch / fallen leaf waste by using the microbial inoculant to obtain the organic fertilizer. The preparation technique is simple; and the prepared organic fertilizer can improve the soil and reduce the environmental pollution caused by the waste.

The present invention is directed to enhancing the odor control of a manufactured composite cat litter granule by including as a component thereof and entrapped therein an effective odor controlling amount of small size silica gel particles. The manufactured granule preferably includes a clay component but may rather include any number of absorbent filler materials such as paper mill sludge, recycled paper, corn cob renderings, rice or peanut hulls, or other organic plant materials, so long as the materials can be agglomerated into a cat litter granules and entrap small size silica gel particles.

A method and apparatus for composting animal waste. A system of gutters and conveyors collect liquid manure and urine and mix it with fibrous material such as ground corn stalks, ground cotton waste, ground peanut hulls, ground hay, or sawdust. The waste and fibrous material mixture combine to form a ground fibrous waste material or mash which is preferably transported up and down the length of the building by a pair of gutter blending conveyors located in central gutters below the service alley between two rows of pens. The mash is moved along by the gutter blending conveyors at a speed sufficiently slow so that composting can occur on a continuous basis. Animal carcases may be ground up and added to the mixture as it is composting, to dispose of the bodies.

The invention discloses a modified peanut shell Pb(II) adsorbent, and a preparation method and an application thereof, belonging to the technical field of treatment of heavy metal waste water. The method comprises the following steps of: (A) washing peanut shells, airing, drying and smashing with a smasher; (B) soaking peanut shell powder into a NaOH solution, washing to be neutral with water, and drying; (C) mixing mercerized peanut shell powder, epoxy chloropropane, ethanol and the NaOH solution, reacting at the temperature of 40-60 DEG C for 4-6 hours, filtering, washing with water, and drying in a drying oven of which the temperature is 50-70 DEG C; and (D) reacting an epoxy cellulose ether intermediate with ethylene diamine, water, NaCO3 and ethanol under the condition of 50-70 DEG C for 2-3 hours, filtering, washing to be neutral with water, and drying in a drying oven of which the temperature is 50-70 DEG C to obtain the modified peanut shell Pb(II) adsorbent. The modified peanut shell Pb(II) adsorbent is easy to prepare and industrialize; and moreover, the modified peanut shell Pb(II) adsorbent containing amino groups is prepared by grafting amines onto the surfaces of peanut shells, so that the removing rate of Pb(II) in water is increased, and the adsorption rate is over 30.0 percent.

The invention relates to a method for preparing active polysaccharide, flavone and dietary fiber in a united manner by taking peanut hulls as raw materials, belonging to the technical field of natural product extraction and comprising the following steps of:carrying out ultrasonic treatment, enzymolysis and filtration on pretreated peanut hull powder by taking water as an extracting agent to obtain filtered liquor and filtered slag; extracting the filtered liquor with an organic solvent after concentrating, and recovering the organic solvent in an extraction phase to obtain a crude flavone product of the peanut hulls; carrying out alcohol precipitation on a raffinate phase to obtain crude polysaccharide of the peanut hulls; and decoloring the filtered slag, cleaning and drying to obtain adietary fiber product of the peanut hulls. The method is simple in process route, and three valuable products such as the polysaccharide, the flavone and the dietary fiber of the peanut hulls are prepared by utilizing the same batch of raw materials, so that the loss of other functional ingredients is avoided when a single product is prepared.

The invention relates to a biologically fermented feed as well as a preparation technology and a special device thereof. The preparation technology comprises the steps of: pre-cleaning, grinding, mixing, inoculating, packaging and fermenting raw materials, is simple and convenient to operate, and realizes the mechanical continuous production. In the formulation of the biologically fermented feed, leftovers of agricultural and sideline products, with the low price, such as apple pomace, jujube powder, peanut shells, distillers dried grains with soluble (DDGS), spray corn husks and other biological matrixes are adopted, and the biologically fermented feed is prepared by adding a premix and bacteria liquid into the leftovers, mixing and fermenting. The prepared biologically fermented feed is stable in quality, good in palatability, comprehensive in nutritive value, high in living bacterium content and easy to store and transport, can be directly fed as daily ration of livestock and poultry, and can replace 20-30% of a complete formula feed, thus saving grains in deed and reducing the breeding cost.

The invention relates to a special feed for rabbits, which comprises the following ingredients in percentage by weight: 10-25% of corn, 5-10% of shorts, 6-12% of wheat bran, 3-12% of soybean meal, 3-6% of DDGS (Distillers Dried Grains with Solubles) feed, 10-50% of Ley-mus chinesis, 1-4% of cane molasses, 5-10% of alfalfa, 3-10% of chrysanthemum powder, 1.5-2.5% of mountain meal, 8-14% of corn germ meal, 3-6% of corn fiber, 0.2-5% of yeast powder, 2-8% of peanut hull meal and 1-6% of spices. The special feed for rabbits of the invention is rich in a variety of nutrients, and rabbits eating the special feed can rapidly grow, so as to greatly reduce rabbit raising cost. Also, the special feed can greatly enhance immunity, disease preventing and treating capacity and antiviral capacity of rabbits, and the formulation of the feed for rabbits is safety, environment-friendly, high-quality, and efficient.

The invention belongs to the field of material preparation and contaminant treatment, and discloses a preparation method of modified activated carbon from peanut shells and application thereof. The activated carbon is prepared by taking peanut shells as a raw material, being activated through a chemical method, and being modified by nitric acid. The preparation method comprises the steps: powdering washed, crushed, sieved peanut shells, immersing in 5 to 20% activator solution, performing water bath, infiltrating activator into peanut shell fibers, and then drying and grinding; performing high-temperature activating under nitrogen protection at 400 to 800 DEG C for 30 to 120min, cooling, washing with hydrochloric acid, then washing to neutral, conducting high-temperature oxidation modification by the nitric acid, washing and drying to obtain the modified peanut shell activated carbon. The modified activated carbon has a uniform texture and well developed pores with a specific surface area of 1807 m<2> / g and a pore volume of 0.725 cm<3> / g. The peanut shell is crop waste which is abundant and cheap enough. The preparation method of the modified activated carbon from the peanut shells reduces the manufacturing cost of the activated carbon, and solves the environmental problems caused by untimely peanut shell processing, and the peanut shells are modified to be applied to water pollution treatment.

The invention belongs to the field of water pollution treatment, prevention and control, and in particular relates to a magnetic microorganism carrier prepared from biomass waste and application thereof. The magnetic microorganism carrier is prepared by the steps of: crushing cleaned and dried biomass wastes, such as sawdust or peanut shells and the like, soaking with NaOH solution or H2SO4 solution, carrying out suction filtering, washing with water and drying to obtain preliminarily-modified biomass material; then, adding the obtained biomass material into metal salt solution containing Fe and / or Ni ion of certain concentration, stirring for certain time with a magnetic stirrer and heating; slowly dripping alkali liquor until pH is more than 12 while quickly stirring; reacting the solution in the water bath or the drying oven at the temperature of 100 DEG C, filtering and washing with water; and finally, placing the biomass material into a drying oven and drying at constant temperature for certain time until the material weight is constant to obtain the product. The magnetic microorganism carrier disclosed by the invention can be used for treating industrial waste water polluted by heavy metal and polyaromatic hydrocarbons and has the advantages of low cost and good effect.

The invention discloses a special sustained-release fertilizer for watermelons by using biomass granular carbon as a matrix and a preparation method thereof. Granular carbon prepared from corn cob, peanut hulls, rice hulls, edible fungus substrate and other agricultural waste biomasses is used as a matrix material, and is compounded with nitrogen, phosphor, potassium and other nutritional elements which are necessary to growth and development of watermelon by utilizing the microporosity and strong adsorptivity of the granular carbon to prepare the granular-biomass-carbon-based special sustained-release fertilizer for the watermelons. The biomass granular carbon used in the invention is black biomass granular carbon particles formed after agriculture waste biomass is incompletely combusted in a low-oxygen condition, has multiple properties similar to soil humus, has strong capacities of adsorbing and maintaining nutrition and moisture, and can be used for stimulating crop growth with good sustained release performance to nitrogen, phosphor and potassium, so that the requirement of watermelons for nutritions in the whole growing period can be effectively supplied when the prepared sustained release fertilizer is applied once. Furthermore, the fertilizer has the characteristics of increasing the soil productivity, improving the soil structure along with high efficiency and environmental friendliness and the like, and is advantageous to large-scale popularization and application in watermelon production.

The invention relates to a deacidification adsorbent of grease and a preparation method thereof. The deacidification adsorbent comprises oil crop seed husks containing an alkaline compound, wherein the content of the alkaline compound contained in the oil crop seed husks is 2-35% by weight, and the oil crop seed husks are one or several of oil-tea camellia husks, peanut hulls, sunflower seed husks, castor husks and walnut husks. The deacidification adsorbent is prepared by activation, pulverization, adsorption and drying treatment. The invention can realize the high-efficiency comprehensive utilization of wastes and also has the advantages of better performance of environmental protection, lower cost and the like. The deacidification adsorbent of the grease has the characteristics of simple preparation process, good adsorption effect and the like and can ensure favorable adsorption capacity and deacidification effect of the adsorbent by controlling the conditions of the activation temperature, the solution concentration and the like. The invention has strong applicability, can be widely suitable for vegetable oil with different varieties and is also suitable for vegetable oil products with low acid value and high acid value. The invention is applied instead of the prior traditional alkali refining method and has no need of any equipment investment.

The invention discloses cultivation feed, particularly relates to breeding ewe complete pellet feed and belongs to the technical field of feed cultivation. The breeding ewe complete pellet feed has the benefits that the nutrition collocation is reasonable, a positive combined effect between roughage (peanut shells, soybean hulls, brewer's grain, apple pomace and the like) and concentrated feed is utilized, the dietary nutrition is balanced and completely meets the production and breeding demands of breeding ewes, the digestion and the utilization of coarse-fibered raw materials are greatly improved, the normal physiological functions of rumens of the breeding ewes are ensured, the feeding process of farmers are greatly reduced at the same time, the production efficiency is improved, the market demands and the benefits are huge, and meanwhile, the multiple coarse-fibered raw materials are utilized by adopting a special processing mode and other measures, so that the social value is higher.

Disclosed is preparation and application of crop waste cigarette filter additive carrier materials. The carrier materials use crop waste such as crop straw, or corncob, or peanut shells or cane trash as raw materials, the processes of washing, offensive odor removing, drying, smashing and sieving are conducted in sequence, and finally the crop waste cigarette filter additive carrier materials are prepared. After the carrier materials are loaded with cigarette harm reduction agents or flavoring agents directly or chemical modification is conducted, the carrier materials are added into a cigarette filtering rod so that a binary or multielement composite filtering bar can be achieved, and the crop waste cigarette filter additive carrier materials are applied to cigarette filters and have the advantages of reducing harmful ingredients of cigarette smoke, adding fragrance, improving smoking quality and the like. The crop waste cigarette filter additive carrier materials further have the advantages that crop waste materials are provided with porous structures, and the crop waste cigarette filter additive carrier materials are rich in cellulose, hemicellulose, lignin and the like, wide in source, simple in production technology, low in cost, environmentally friendly, capable of facilitating recycling of the waste and the like, thereby being excellent cigarette filter additive carrier materials.

The invention relates to a preparation method of a high-strength biomass carbonaceous fuel. The preparation method comprises the following steps: crushing wood flour and peanut shells, drying, then adding a binder and performing extrusion forming by a thermoforming machine, wherein the forming pressure is 15-25Mpa and the forming temperature is 180-230 DEG C; and demolding, then placing into a carbonization furnace for carbonization, placing the prepared carbon fuel into a ZnCl2 solution with the mass fraction of 12%-25% for soaking, and further placing into an activation furnace for activation so as to prepare the high-strength biomass carbonaceous fuel after activation, wherein the activation temperature is 650-800 DEG C. By adopting the preparation method provided by the invention, the strength and density of the biomass carbonaceous fuel are improved, and the biomass carbonaceous fuel further has high calorific value, easiness in ignition, environmental friendliness, high burnout rate, relatively large specific surface area and porosity and strong adsorption performance, and can be widely used in the fields of metallurgy, environmental friendliness and life.

The invention discloses a method for preparing a nanocellulose fiber optical transparent membrane material from peanut hulls. The method comprises pretreatment, chemical treatment and mechanical treatment, wherein the pretreatment comprises the step of extracting resin, wax, fat and ether insoluble matters as well as tannins and pigments contained in the raw material by a benzene-alcohol extraction method, wherein the chemical treatment is to remove non-fiber components, hemicellulose and lignin in biomass fibers to obtain purified cellulose, and the mechanical treatment is to carry out nanocrystallization of the fibers by virtue of grinding, ultrasonics and homogenization, thereby obtaining the nanocellulose fibers. The method provided by the invention has the following advantages that in consideration of the facts that the forest area of China is limited and the peanut hull resources are rich but most wasted, the peanut hull cellulose is selected as the raw material and the nanocellulose optical transparent membrane with excellent properties can be prepared by extracting and dissolving the peanut hull cellulose, and therefore, the method has great practical significance and wide development prospect for rational utilization of the peanut hull resources and sustainable development of natural resources.

The invention discloses an ultrathin fermentation bed and a used fermentation bed microbial inoculum. A fermentation bed padding is one or more of sawdust, peanut hull meal and straw powder, and is a dry material with the thickness between 10 centimeters and 40 centimeters; and the fermentation bed microbial inoculum is uniformly scattered on the surface of the fermentation bed. When the technology of the invention is used for raising pigs, only a manger or an automatic charging bucket in a pig pen is required to be lifted until the bottom of the manger or the automatic charging bucket is about 10-40 centimeters higher than a terrace, a water receiving platform is built around a drinking fountain, a water pipe is arranged on the water receiving platform, and water current on the water receiving platform flows out of the pig pen. The padding of the fermentation bed has small using amount and low cost, a dry padding is laid, and microorganisms cannot ferment without water, so that the temperature of the fermentation bed is prevented from rising. Therefore, pigs live on the ultrathin fermentation bed in a dry and comfortable way.

Nutrient soil for orchid plant cultivation is characterized by comprising the following raw materials and the following weight ratio: 20 to 40 parts of pine bark, 20 to 40 parts of peat, 20 to 40 parts of peanut shells, 5 to 15 parts of coarse river sand, and 5 to 15 parts of bamboo charcoal. The nutrient soil for the orchid plant cultivation is suitable for the cultivation of orchid plants, can provides long-acting solid phase organic matters with a larger proportion, a stable pH value and good water control and gas control performance, allows cultivating management of the orchid plants to be more convenient, promotes orchid plant root systems after growth to rapidly rejuvenate, is also conducive to preserving orchid colors, allows aroma to be more strong and flower quality to be more beautiful, and is suitable not only for home balcony orchid cultivation but also for mass production.

The invention discloses an active carbon adsorbent with good effects of removing formaldehyde and removing odors. The active carbon adsorbent is characterized by being prepared from the following raw materials in parts by weight: 100-150 parts of sludge, 13-17 parts of corn straws, 15-24 parts of peanut shells, 10-15 parts of manganese ore powder, 30-50 parts of zinc oxide, 13-16 parts of magnesium silicate, 5-8 parts of silicon dioxide, 3-5 parts of polyvinyl alcohol, 3-5 parts of polyacrylamide, 12-15 parts of tea leaf dreg powder, 8-12 parts of calcium oxide, 6-8 parts of carbon fibers and proper amount of distilled water. According to the active carbon adsorbent, the tea leaf dreg powder, calcium oxide and the carbon fibers are added so that the properties of sterilizing, odor removal, acid and alkali corrosion resistance, high strength and high adsorption capability of sludge active carbon are extremely promoted; the active carbon adsorbent has high formaldehyde removing efficiency, can be used for deodorizing and removing peculiar smell, and is good in moisture absorption; by using the active carbon adsorbent, the air quality is good; and the active carbon adsorbent is good for body health of people and is worthy of popularization.

The invention provides modified biochar, a preparation method and application thereof. According to the modified biochar, biomass is used as a raw material, and is subjected to carbonization pyrolysisthrough mixing modification with potassium permanganate and ferric chloride to prepare iron-manganese oxide loaded biochar, and the biochar is modified with chitosan to obtain the modified biochar, wherein the raw material is one of straw, rice straw, rice husk, peanut shell, corncob, camellia oleifera shell and cottonseed hull. According to the invention, the prepared modified biochar is large in specific surface area, developed in pore and multiple in surface oxygen-containing functional groups; the modified biochar is applied to treatment of heavy metal organic matter contaminated soil, onthe basis of promoting adsorption of heavy metal and organic matter in the contaminated soil, a good solidification and stabilization effect can be achieved on the heavy metal organic matter; and themodified biochar material can stably exist in the soil for a long time, and has long-term restoration.

The invention discloses a slow release fertilizer special for sweet potatoes by using biomass granular carbon as a matrix and a preparation method for the slow release fertilizer. Granular carbon prepared from agricultural wastes such as corn cobs, peanut shells, rice hulls and edible fungi matrix are used as a matrix material; and based on the micro-pores and strong adsorption capability of the matrix material, the granular biomass carbon-based slow release fertilizer special for the sweet potatoes is prepared by compounding the matrix material and nitrogen, phosphorus, potassium and other nutritional elements required by growth and development of the sweet potatoes.. The biomass granular carbon is black biomass granular carbon granules formed after the agricultural waste biomass is incompletely burnt under the low-oxygen condition, has multiple properties similar to soil humus and strong adsorption and nutrient and moisture holding capabilities, can stimulate growth of crops, and has good slow release performance on nitrogen, phosphorus and potassium; when the prepared slow release fertilizer is applied at one time, the requirements of the sweet potatoes for nutrients in the whole growth period can be effectively met; and the slow release fertilizer has the characteristics of increasing soil fertility, improving the structure of soil and realizing high efficiency and environment friendliness, and is beneficial to large-scale popularization and application in the production of the sweet potatoes.

The invention discloses a special controlled-release fertilizer for strawberry taking biomass granulated carbon as a matrix and a preparation method thereof. The granulated carbon prepared from the agricultural waste biomass such as corncob, peanut shell, rice hull, edible mushroom matrix and the like are used as the matrix material which is compounded with the necessary nitrogen, phosphorus, potassium and other nutrient elements for the strawberry growth by use of the multiple micropores and strong adsorption ability to obtain the granulated biomass carbon-based special controlled-release fertilizer for strawberry. In the invention, the biomass granulated carbon is the black biomass granulated carbon particles obtained by the incomplete combustion of the agricultural waste biomass under the low-oxygen condition, and has multiple characteristics similar to soil humus and strong adsorption and nutrient / moisture retaining abilities; and moreover, the biomass granulated carbon also can stimulate the crop growth, and has good controlled-release performance for nitrogen, phosphorus and potassium. The controlled-release fertilizer prepared from the biomass granulated carbon can effectively supply the nutrients required by the strawberry in the whole growth period by once application; and moreover, the controlled-release fertilizer has the characteristics of high efficiency, environmental protection and the like, enhances the soil fertility, improves the soil structure, and is favorable for large-scale popularization and application in the strawberry production.

The invention relates to a preparation method of peanut shell liquefaction and an adhesive of the peanut shell. The processing steps are that: (1) the mud and dirt on the surface of peanut shells are cleaned. Then the peanut shell is dried and crushed down; (2) the peanut shell powder is mixed well with molten phenol. Then inorganic mild or strong acid is added to react with the mixture under 120-160 DEG C for 0.5-3 hours. Soda solution is added to regulate the ph value of the mixed solution to be neutral. Next the temperature is reduced to 40-50 DEG C and the peanut shell phenol liquefaction product is obtained; (3) the soda solution and formaldehyde are added into the peanut shell phenol liquefaction product sequentially in proportion. Then the temperature rises to 80-95 DEG C. The reaction lasts for 30-90 minutes. Next the wooden adhesive for veneer used outside is obtained after being cooled below 40 DEG C. The invention has the advantages that the method of the wooden adhesive for veneer used outside can save lots of phenol of petrochemical materials. The adhesive has low cost, little poison, and stable storage. The adhesive has equal pre-compressed effect and gluing property with common phenolic resin and can remarkably increase the utilization value of the peanut shell.

The invention discloses a biomass modified adsorbent capable of adsorbing cadmium ions and a preparation method and application thereof. The biomass adsorbent uses waste peanut shells as a raw material, and is prepared by modification of potassium permanganate. The preparation method comprises the following steps: the waste peanut shells are washed, dried, crushed and then are sieved, and then a potassium permanganate solution is added; the waste peanut shells and the potassium permanganate solution are reacted in stirring at room temperature, are washed to be neutral, and are dried to obtain the biomass modified adsorbent. The biomass modified adsorbent provided by the invention can be applied to adsorption treatment of low-concentration cadmium ions from wastewater. The biomass adsorbent provided by the invention is in a granulated shape, and can be directly applied to tower adsorption and natural water body in situ repair; and the used raw material is cheap and easy to obtain, the preparation method is simple, the cost is low, and the industrialization is easy.