60 results about "Sesbania cannabina" patented technology

The invention relates to a method for preparing a catalyst for an alkylation reaction of methylbenzene and ethylene for synthesizing paramethyl ethylbenzene. The catalyst consists of the following components in part by weight: 50 to 90 parts of hydrogenous silicon-aluminum zeolite, 10 to 50 parts of binder, 5 to 8 parts of sesbania cannabina pers powder and 1 to 8 parts of at least one metal oxide of alkalinous metal oxides, wherein the hydrogenous silicon-aluminum zeolite is subjected to liquid-phase silicon deposition surface modification and the mole ratio of silicon dioxide (SiO2) to aluminium trioxide (Al2O3) is 40 to 300. The catalyst solves the problems of low methylbenzene conversion rate, serious side reactions such as a disproportionation reaction, an isomerization reaction and the like and high deactivation rate in the prior art well. In the reaction for synthesizing the paramethyl ethylbenzene, the reaction temperature is between 350 and 440 DEG C; the pressure is 0.1 to 1.5 MPa; the ratio of benzene to alkene is 1.0 to 6.0; and the space velocity is 1 to 10 h<-1>. The prepared catalyst is applied to a methylbenzene alkylation process for synthesizing the paramethyl ethylbenzene by using the methylbenzene and the ethylene and has high catalytic reaction selectivity.

The invention relates to a high-temperature iron-based zeolite molecular sieve honeycomb type denitration catalyst and a preparation method thereof, and belongs to the technical field of atmospheric pollution treatment technologies and environmentally friendly catalyzing materials. The preparation method comprises the following steps: mixing ferrous salts with ferrite; synthesizing a zeolite molecular sieve, natural zeolite molecular sieve powder, attapulgite clay or kaolin, glass fibers, an organic binding agent, wood pulp or sesbania cannabina powder, stearic acid and glycerinum; and carrying out mixing, ageing, extrusion forming, drying and roasting to obtain the iron-based zeolite molecular sieve honeycomb type denitration catalyst. According to the catalyst, the zeolite molecular sieve and natural raw mineral materials which have excellent thermal stability are used as carriers, and the running stability, the sintering resistance and the mechanical strength of the catalyst in a high-temperature environment are improved. The obtained honeycomb type denitration catalyst has good water resistance and sulfur poisoning resistance, and the conversion ratio of oxynitride is greater than 90% under the conditions that the temperature is in the high-temperature range of 400-600 DEG C and the air speed is 10,000 h<-1>.

The invention relates to a preparation method for a catalyst used for deoxidation of biological fatty alcohol. The method comprises the following steps: 1, mixing gamma-Al2O3 powder, MCM-41 molecular sieve powder and Sesbania cannabina powder under stirring, adding deionized water and an aqueous dilute nitric acid solution, carrying out repeated kneading and extrusion so as to obtain a cylindrical, clover-shaped or spherical substance and subjecting the substance to room temperature drying, drying in a baking oven and calcining so as to obtain a carrier; and 2, taking the carrier, adding the carrier into an acid solution for pore expansion, washing the carrier with deionized water, subjecting the carrier to room temperature drying, drying in the baking oven and calcining, then cooling the carrier to normal temperature, dipping the carrier with a dipping solution and successively carrying out drying at normal temperature, drying at 120 DEG C and roasting so as to prepare the catalyst. The invention has the following beneficial effects: since gamma-Al2O3 and an MCM-41 molecular sieve are cooperatively used and the aqueous acid solution is used for pore expansion, the pore diameter and the pore volume of the catalyst are increased; reduction is carried out after loading of metal components consisting of Pt and Pd, so rapid diffusion of molecules is promoted, and the conversion rate is increased; the catalyst is applicable to biological high alcohols and has the advantages of low reaction pressure, a high conversion rate and long service life.

The invention discloses planting fertilizer and a preparation method for red dragon fruits, and belongs to the technical field of crop planting fertilizer. The planting fertilizer is prepared from the main raw materials of livestock manure, corn stalks, peanut bran, straw, sesbania cannabina, folium artemisiae argyi, ramulus cinnamomi, lightyellow sophora root, herba houttuyniae, fructus corni, herba andrographis, plant ash, an organic material decomposition agent, urea, ferrous sulfate and monopotassium phosphate. According to the planting fertilizer disclosed by the invention, all raw materials are scientifically matched and have a synergistic effect, and effective ingredients of volatile oil, kushenin, decanoy acetaldehyde and the like in Chinese medicinal herbs play good sterilizing and root protecting functions on red dragon fruit trees. The preparation method of the planting fertilizer is simple, the sterilizing and root protecting functions are obvious, no environment pollution is generated, the comprehensive cost is low, nutritional ingredients needed for the root are provided, the disease resistance of the root of the red dragon fruit trees is increased, and the preparation method is worth being promoted and applied in production.

The invention discloses a modified titanium-silicon molecular sieve, a modification method, and application thereof in propylene epoxidation reaction. The modified titanium-silicon molecular sieve is obtained by the following steps: dissolving barium salt in water to prepare a barium salt aqueous solution, and then adding a strip-shaped titanium-silicon molecular sieve, wherein the weight ratio of the barium salt to the water to the strip-shaped titanium-silicon molecular sieve is (0.001-0.5):(0.1-5):1; and performing impregnation for 1-72h, performing filtration, drying a solid at 80-120 DEG C for 3-5h, and then performing roasting at 500-550 DEG C for 4-12h to obtain the modified titanium-silicon molecular sieve, wherein the strip-shaped titanium-silicon molecular sieve is obtained by mixing titanium-silicon molecular sieve raw powder with sesbania cannabina powder and silica sol uniformly and then performing strip extrusion forming, and the barium salt is barium nitrate, barium acetate or barium chloride. The modified molecular sieve is a strip-shaped titanium-silicon molecular sieve with an MFI structure; and as a catalyst, the modified molecular sieve is applied to a liquid phase propylene epoxidation process. The modification method disclosed by the invention is simple in operation process, and due to a mutual synergistic effect between the barium salt and the titanium-silicon molecular sieve, the modification method, when applied to the propylene epoxidation reaction, can obviously reduce invalid decomposition of hydrogen peroxide as well as effectively improve the effective utilization of hydrogen peroxide and the selectivity of a product namely propylene epoxide.

The invention discloses a breeding boar feed and a preparation method thereof. The feed is prepared from following raw materials including, by weight, 35-45 parts of wheat, 15-20 parts of corn, 8-16 parts of soybean meal, 4-7 parts of fish meal, 3-5 parts of shells of ruditapes philippinarum, 5-8 parts of dried sheep manure, 3-6 parts of male silkworm moth powder, 2.5-4.5 parts of powder of cotyledon of sesbania cannabina, 2-3 parts of cell-disrupted yeast powder, 1.5-2.5 parts of MACA powder, 2-3 parts of ocimum basilcum, 3-4 parts of fish sauce, 2-3 parts of a smoking solution, 0.4-0.8 parts of red yeast powder, 5-10 parts of powder and residue of canna edulis, 4-8 parts of dried peels of persimmon, 3-6 parts of crushed tea dust, 5-10 parts of waste bacteria sticks of lentinula edodes and 2.5-4.5 parts of modified limestone powder. The feed is rich in high-quality proteins, vitamins and minerals, can provide energy required in growth, generation of sperm, hybridization activation and the like of breeding boars, is good in palatability, is easy to digest, can enable the breeding boars to have good appetite and sexual desire and can improve sperm quality and breeding capability of the breeding boars.

The invention discloses a pure gas-gathering tower type spherical diatomite particle purifying adsorbent and a preparation method thereof. The adsorbent comprises, by weight, 50-70 parts of diatomite mesoporous nano materials, 7-12 parts of tourmaline, 10-20 parts of MOFs grapheme composite materials, 5-10 parts of sepiolite, 5-8 parts of negative ion powder, 3-5 parts of far-infrared ceramic powder, 15-20 parts of Sesbania cannabina powder and 7-12 parts of nano-photocatalyst. The adsorbent is high in adsorption capacity, good in purifying effect and long in service life.

The invention discloses a preparation method of a hydrofining catalyst with high mechanical strength. The preparation method comprises the following steps: taking pseudo-boehmite and sesbania cannabina powder as raw materials; adding a nitric acid solution; then extrusion-molding, drying and carrying out three-section type roasting to obtain an aluminum oxide carrier; dissolving phosphoric acid and an organic additive into de-ionized water to prepare a solution; then adding the solution into a metal salt mixture; stirring, heating and refluxing to obtain an active component immersion solution;adding the obtained immersion solution into the aluminum oxide carrier; carrying out equal-volume immersion; then raising the temperature and drying to obtain the hydrofining catalyst. According to the preparation method disclosed by the invention, the catalyst with the high mechanical strength is prepared by adopting an immersion method and the organic additive is added in a preparation process;formation and distribution of a surface active center of the carrier can be optimized; the catalyst with the high mechanical strength can be obtained; meanwhile, relatively high catalytic activity ofthe catalyst can be ensured; the problem of a preparation technology in the prior art that a pore structure of the carrier is damaged or the catalyst is increased to improve the mechanical strength is overcome.

The invention discloses a method of improving soil quality of coastal saline soil by Sesbania cannabina/wheat rotation, comprising the steps of increasing fertility of a land by cultivating, ridging to seed with Sesbania cannabina, and carrying out drip irrigation in due time; in mid-late September, harvesting Sesbania cannabina, crushing straws, returning all to a field, irrigating with a small quantity of water so that the straws gain tight contact with soil, and generating moisture for 3-5 days; preparing the land, applying fertilizers, ridging to seed wheat, and covering the surface of ridges with a layer of rice hull after seeding; using an integrated water/fertilizer drip irrigation apparatus with aerating and pressurizing functions to irrigate in due time, performing conventional field management until wheat is harvested in next June, returning the straws to the field, applying urea and a straw decomposing agent, plowing the land, leveling the land, directly seeding with Sesbania cannabina, harvesting Sesbania cannabina before burst, and seeding with wheat according to the above steps. The method has the advantages that the salt content of costal saline soil is effectively decreased, soil quality is gradually improved, the organics content and microorganism content in the oil are increased, certain economic benefit is created, and the method is sustainable.

The invention belongs to the technical field of petroleum processing, and specifically relates to a preparation method of a Fe based suspended bed hydro-cracking catalyst. FeCl3.6H2O and Fe2(SO4)3.xH2O are taken as the inorganic iron source; cheap sesbania cannabina powder is taken as a template; and a sol-gel method and a hydrothermal method are adopted to prepare a mesoporous gamma-Fe2O3 catalyst, which has a high specific surface area and is suitable for the hydro-cracking reactions carried out in a low quality residual oil suspended bed. The synthesis technology is simple, the synthesis period is short, the catalyst is environmentally friendly and pollution free, and the cost is low. The prepared mesoporous gamma-Fe2O3 catalyst has a good performance in hydro-cracking reactions carriedout in a residual oil suspended bed.

The invention discloses a special chemical fertilizer for bananas and a preparation method thereof. The chemical fertilizer comprises the following components in parts by mass: 20-23 parts of soybean cakes, 17-19 parts of urea, 15-17 parts of a microbial growth regulator, 12-14 parts of ammonium hydrogen carbonate, 13-16 parts of calcium superphosphate, 9-12 parts of defluorinated phosphorus fertilizer, 8-11 parts of potassium chloride, 7-10 parts of sesbania cannabina powder, 6-9 parts of zinc sulfate, 5-7 parts of manganese oxide, 4-6 parts of ferrous sulfate, 2-5 parts of kudzu vine powder, 1-4 parts of plant ash, 2-3 parts of magnesium humate, 2-6 parts of triacontanol and 60-70 parts of water. The chemical fertilizer has balanced nutrients; since the organic fertilizer is contained in the formula, the chemical fertilizer can promote bananas to have taste sweet and rich flavor, improve drainage and aeration performances of soil and improve yield and quality.

The invention discloses a composite fertilizer which is prepared from 7-10 parts of Chinese trumpet creeper, 8-15 parts of astragalus smicus, 5-10 parts of sickle alfalfa, 2-5 parts of sweet clover, 3-6 parts of sun hemp, 1-5 parts of sesbania cannabina, 3-6 parts of amorpha fruticosa, 0-4 parts of duckweed, 2-8 parts of eichhornia crassipes, 4-9 parts of herb of alligator alternanthera, 3-8 parts of soybean pulp, 4-8 parts of tea leaf residues, 1-4 parts of plant ash, 4-8 parts of pea, 6-12 parts of broad beans, 10-15 parts of wheat bran and straw, an EM leavening agent and mountain spring water. As generally natural and green plant raw materials are adopted, the composite fertilizer disclosed by the invention is not only safe, environment-friendly, free of harmful substance pollution as no artificial additive or heavy metal is added, but also rich in nutrition component such as protein, vitamin and carotene, has the characteristics of improving the soil environment, improving the land fertility, and recycling natural resources, and also has the characteristics of recycling resources and protecting the air environment as wheat bran and straw which are regarded as agriculture wastes in conventional agriculture are used as raw materials. The invention further discloses a method for preparing the composite fertilizer.

The invention discloses an efficient organic fertilizer for dragon fruit and a preparing method thereof, and belongs to the technical field of agricultural plantation. The organic fertilizer includes, by weight, 10-20 parts of oxalic acid, 10-20 parts of citric acid, 10-20 parts of a selenium-rich organic fertilizer, 10-30 parts of pigeon manure, 15-30 parts of mushroom dregs, 20-40 parts of a sulfur-based nitrogen-phosphorus-potassium composite fertilizer, 20-30 parts of tung seed bran, 10-20 parts of leaf of Japanese banana leaves, 5-10 parts of withered grass, 10-20 parts of sesbania cannabina, 10-20 parts of burclover, 10-20 parts of Chinese milk vetch, 1-3 parts of a trace element fertilizer, 3-6 parts of rice chaff ash, 0.5-1.3 parts of azotobacteria, 0.5-1 part of fermentative bacteria and 1.2-2.5 parts of a microbe agent. The efficient organic fertilizer has a reasonable component ratio, provide sufficient nutrients for growth and development of dragon fruit and can increase yields and quality of the dragon fruit.

The invention discloses chemical fertilizer specially used for scindapsus aureus and a preparation method of the chemical fertilizer. The chemical fertilizer specially used for the scindapsus aureus is prepared from the following components in parts by mass: 17-19 parts of biogas waste fertilizer, 13-15 parts of sesame cake fertilizer, 12-14 parts of sesbania cannabina green manure, 7-9 parts of canal mud, 8-12 parts of mushroom fungus residue, 11-13 parts of copper sulphide, 5-7 parts of peanut shell powder, 6-8 parts of ferrous sulphate, 1-3 parts of ammonium molybdate, 2-4 parts of nodule bacterial manure, 3-5 parts of calcium nitrate, 2-4 parts of selenium humate fertilizer, 1-3 parts of bacillus preparation and 50-60 parts of water. The chemical fertilizer specially used for the scindapsus aureus is rich in nutrient substance and balanced in ratio, growth of the scindapsus aureus can be effectively promoted, leaf colour is dark green and verdant, stems are stout, blades are fleshy and plants are luxuriant.

The invention discloses weather-resistant freeze-thaw-resistant thermal insulation mortar and a preparation method thereof. The mortar is prepared from, by weight, 13-19 parts of polyaluminum chloride, 55-65 parts of phosphate cement, 20-25 parts of xonotlite, 5-10 parts of magnesia, 14-20 parts of satin stone, 10-15 parts of silica fume, 8-16 parts of macroporous calcium silicate, 5-10 parts of saw dust, 7-14 parts of nano titania powder, 16-24 parts of halloysite, 9-18 parts of oil shale residues, 6-12 parts of heavy calcium carbonate powder, 4-9 parts of sesbania cannabina powder, 3-7 parts of lithium chloride, 2-4 parts of calcium nitrite and 5-10 parts of polyglutamic acid. The thermal insulation mortar has the advantages of being excellent in weather resistance, good in freeze-thaw resistance, high in compressive strength, high in bonding strength, good in heat insulation, resistant to corrosion and the like.

The invention provides an adsorbent used for face masks. The adsorbent is prepared from the following raw materials in parts by weight: 80-90 parts of activated carbon, 1-1.5 parts of sesbania cannabina powder, 2-3 parts of expanded graphite, 130-150 parts of 1 Mol/L sodium hydroxide solution, 140-160 parts of 1 Mol/L calcium chloride solution, 1-2 parts of organic silica gel, 1-1.6 parts of lanthanum oxide, 2-3 parts of aluminium hydroxide, 10-15 parts of kaolin, 1-2 parts of cellulose sodium, 1-2 parts of lignin, 2-3 parts of citric acid, 2-3 parts of iron oxide, 0.5-0.8 part of sodium silicate, a proper amount of water and 3-5 parts of auxiliary. The adsorbent has good barrier effects on bacteria and PM2.5 in the air, can be used for catalytically oxidizing harmful substances, such as formaldehyde and the like, can be also used for sterilization, does not affect the air permeability, and is suitable for hazy weathers at present. By using the auxiliary, skin allergy can be prevented, refreshment can be achieved, and the filtration performance can be improved.

The present invention belongs to the technical field of soil improvement and specifically discloses a sesbania cannabina and sunflower rotation method for improving soil quality of saline-alkali soil.The sesbania cannabina and sunflower rotation method for improving soil quality of saline-alkali soil comprises the following steps: step one, plowing and fertilizing saline-alkali soil, planting a first season of sesbania cannabina in the saline-alkali soil, conducting plowing for 30-40 cm, then conducting fertilizing, and then conducting ditching and planting the first season of the sesbania cannabina; and step two, watering and irrigating the sesbania cannabina, before emergence conducting irrigating when the soil substrate potential is greater than 5 Kpa, and conducting irrigating when seedlings grow 3 true leaves and the soil substrate potential is changed to greater than 10 Kpa. The design is reasonable. Through the rotation of green manures of the sesbania cannabina and sunflowersand combining a device with an aerobic and pressurized drip irrigation and water and fertilizer integration device to improve the soil quality, the method can achieve improvement of the soil quality of the saline-alkali soil, and is also low in costs, good in sustainability, and high in economic benefits.

The invention discloses a method for improving the activity, selectivity and stability of a shaped MFI catalyst applied to a vapor phase Beckmann rearrangement reaction of cyclohexanone-oxime, specifically comprising the following steps: using an extrusion-molded catalyst containing an MFI molecular sieve, silica sol, sesbania cannabina powder and the like to be contacted with an aqueous alkalinesolution containing tetrapropyl cations, carrying out solid-liquid separation, and drying and roasting to prepare a modified catalyst. In comparison with unmodified catalysts, the modified catalyst prepared by the above method has the following advantage: activity, selectivity and stability of the modified catalyst are significantly improved.

The invention relates to a preparation method of latex for plant-based coated whiteboard paper and belongs to the technical field of latex preparation. The preparation method comprises: mixing cassava starch with sodium hydroxide solution and sodium hypochlorite, oxidizing to obtain starch oxide, subjecting the starch oxide with materials such as sodium chloride, epoxy chloropropane and soybean peptide mixed liquid prepared by soybean enzymatic hydrolysis to mixing and thermal reaction to obtain modified starch, crushing Sesbania cannabina seeds, mixing and stirring the seeds with ammonia water and absolute ethyl alcohol, filtering to obtain filter residue, enzymatically hydrolyzing, heating, filtering to obtain a mixed liquid, and stirring the mixed liquid with the modified starch to obtain the latex for plant-based coated whiteboard paper. The latex for plant-based coated whiteboard paper prepared herein has high adhesive power, has viscosity of 295 mpa/s and above, is made from various plants, will not cause environmental pollution in use and has low cost for required materials.

The present invention discloses a feed for crabs and a preparation method thereof. The feed for the crabs comprises the following raw materials in parts by weight: 5-10 parts of chitosan, 15-30 partsof crab shell powder, 5-15 parts of woodlouse powder, 10-20 parts of silkworm chrysalis powder, 15-30 parts of bone meal, 5-10 parts of fish oil, 5-10 parts of distiller's grains, 10-15 parts of soybean meal, 5-10 parts of wheat bran, 15-20 parts of expanded soybeans, 3-8 parts of an EM solution, 0.5-1.0 part of sesbania cannabina powder, 0.5-1.5 parts of compound vitamins and 0.5-2.0 parts of compound minerals. The feed for the crabs are reasonable in component combinations, plant proteins, animal proteins, oil and feed additives are reasonably combined, and the feed provides comprehensive nutrition guarantees for growth of the crabs. Besides, the EM fermented plant raw materials produce a large amount of probiotics and at the same time the feed is easy for the crabs to absorb and digestand promotes a rapid growth and disease resistances of the crabs.

The present invention discloses a cultivation method for sesbania cannabina pers. The method comprises the following steps: 1) finely leveling fields; 2) treating seeds; 3) seeding and fertilizing; 4) ditching and covering the seeds; 5) water management; 6) burying straws at the right time. The method provided in the present invention can promote the early emergence of seedlings and the uniformity of seedlings, accelerate the overall growth of the plants at the base of keeping the normal growth of the seedlings. According to the present invention, the fresh grass output of the method is more than 30% higher than that of the other methods.

The invention discloses a chemical fertilizer for litchis and a preparation method for the chemical fertilizer. The chemical fertilizer comprises the following components in parts by mass: 15 to 25 parts of photosynthetic bacterium stock solution, 3 to 5 parts of fulvic acid, 10 to 12 parts of urea, 4 to 6 parts of diammonium phosphate, 8 to 10 parts of potassium sulfate, 1 to 3 parts of potassium silicate, 2 to 4 parts of magnesium sulfate, 12 to 14 parts of calcium superphosphate, 10 to 12 parts of kusnezoff monkshood roots, 20 to 30 parts of corn stalk powder, 17 to 19 parts of sesbania cannabina, 20 to 22 parts of vetches, 7 to 9 parts of cottonseed meal and 8 to 10 parts of tea seed cake meal. The chemical fertilizer for litchis is small in using amount, high in efficacy and persistence and resistant to diseases, and has the effects of increasing the yield, protecting the environment and improving the soil texture.

A double base tube-energetic colloid explosive is prepared through using 40-70% of a propellant composed of a retired double-base tubular propellant and a retired single-base granular propellant, 10-30% of ammonium nitrate, 5-20% of sodium nitrate, 0.1-10% of Sesbania cannabina Pers., 0.01-5% of a composite gelling agent and 10-30% of water. The double base tube-energetic colloid explosive is a novel colloid explosive for recycling the retired double-base tubular propellant, has the characteristics of large explosive power, strong water resistance, large density, easy charging, no crystal precipitation and long shelf life, and has the advantages of stable product quality, safe production process, large retired propellant processing capability, diversified variety and wide product application range.