110results about How to "Strong renewable capacity" patented technology

The invention discloses a rechargeable magnesium battery taking oxygen-containing organic matter as a cathode material, and a preparation method of the rechargeable magnesium battery, wherein the oxygen-containing organic matter comprises the components of quinones, phenols, anhydrides derivatives and a compound containing nitro and oxygen radical. The battery and the method have the advantages of being simple in preparation technology, easy to process, environment-friendly and high in regeneration. The rechargeable magnesium battery prepared by the invention has the advantages of being relatively good in structural stability and circulation stability, rich in raw materials, safe in system and the like.

The present invention relates to one kind of functional biological carbon fiber and its preparation process and application as biomembrane carrier. The biomembrane carrier is prepared with polyacrylonitrile carbon fiber, and through electrochemical surface treatment in 5-20 % concentration ammonium bicarbonate electrolyte to increase the surface acid oxygen containing functional groups and raise wettability, and gluing with water soluble epoxy resin in the amount 0.5-2 %. The biomembrane carrier can fix nitrobacteria, sulfate reducing bacteria and anaerobic methanogen. It may be used in treating high concentration acrylon waste water, and can eliminate sulfate, COD and ammonia nitrogen effectively. In addition, the biomembrane carrier is easy to regenerate and has no secondary pollution.

The invention provides TiO2 / RGO aerogel, and a preparation method and application of the TiO2 / RGO aerogel, belonging to the technical fields of material preparation and environment purification. By adopting L-Cysteine as a reducing agent and a crosslinking agent, the TiO2 / RGO aerogel is prepared by loading TiO2 onto ROG aerogel by a simple one-step hydrothermal method for the first time, and the TiO2 / RGO aerogel has a macrostructure of which the diameter is 2.0cm and the height is 3.5mm. The prepared aerogel has high specific surface area, can efficiently adsorb oily wastewater and treat the oily wastewater in a photocatalysis manner, and is easy to separate and recycle. The preparation method is simple, is beneficial to large-scale industrial production, and has significant economic benefits and social benefits, and raw materials are cheap and easily available.

The invention discloses a preparation method and application of a graphite phase carbon nitride nanosheet visible-light-induced photocatalyst synthesized by promotion of ionic liquid and belongs to the technical field of material preparation and photocatalysis. A graphite phase carbon nitride nanosheet material is formed by using room-temperature ionic liquid of urea and dialkyl imidazolium tetrafluoroborate as a precursor through high-temperature co-polymerization. The graphite phase carbon nitride prepared by the preparation method has a low-dimensional nanosheet layer microstructure and a suitable forbidden bandwidth and shows more efficient photocatalytic hydrogen production performance than that of conventional body phase carbon nitride under the visible light. The graphite phase carbon nitride nanosheet visible-light-induced photocatalyst synthesized by promotion of the ionic liquid is simple in synthetic process, is low in cost, has high photocatalytic efficiency, accords with the actual production requirement and has a wide application prospect in the field of photocatalysis.

The invention relates to a method and a device for treating oily sludge. Under the action of an applied electric field and by adopting an electrochemical oxidation method, the oil-in-water and water-in-oil structure of emulsified oil is quickly broken, and the oily sludge serving as an electrolyte releases oil drops; oil is quickly taken by a large number of micro bubbles to the liquid level to be recycled under the action of applied air flotation; oily sludge flocs are subjected to electrochemical reaction on the surface to produce various active free radicals which have high activity and oxidability and mainly comprise hydroxyl, and organic pollutants are degraded to be converted into water and carbon dioxide; the active free radicals can destroy a microbial cell structure and kill sulfate reducing bacteria and saprophytic bacteria through a series of oxidation chain reactions; the sludge is powerfully dehydrated, so that the water quality of dehydrated water meets the water quality standard of oil field reinjection, and the sludge can be recycled; and a mud cake is nontoxic and harmless and can be used for soil improvement, fertilizers, building materials and the like.

The invention discloses preparation of a 2D / 2D g-C3N4 / CoAl-LDH heterojunction material and application of the 2D / 2D g-C3N4 / CoAl-LDH heterojunction material in photocatalytic decomposition of water into hydrogen, and belongs to the technical field of material preparation and renewable clean energy utilization. According to the preparation of the heterojunction material, a g-C3N4 nanosheet is used as a template, and CoAl-LDH is loaded on the surface of the C3N4 nanosheet through an in-situ one-step hydrothermal method to form a two-dimensional / two-dimensional planar heterojunction composite material. The larger contact interface area of the obtained planar heterostructure provides more high-speed channels for migration and separation of photon-generated carriers; meanwhile, due to the surface characteristics of the 2D nanosheets, the 2D nanosheets are similar to modification between molecular layers, the proportion of surface atoms is kept as large as possible, and more active sites areprovided for a photocatalytic reaction. Therefore, the composite heterojunction sample shows excellent performance in a photocatalytic hydrogen production reaction. The preparation method disclosed bythe invention is simple to operate, high in catalyst activity and stability and relatively great in application potential.

The invention relates to a feed formulation for tilapia. The feed comprises the following nutrition components by weight percentage: crude protein, 25%-30%; crude fat, 3%-5%; ash content, 7%-9%; carbohydrate, 40%-55%; and moisture content, 9%-11%. The feed formulation of the invention increases the content of carbohydrate and reduces the content of protein, thus having the function of saving protein raw materials and reducing feed cost and pollution. Long-term raising experiments indicate that the feed produced by adopting the feed formulation of the invention has good palatability, and better growth effect is achieved in breeding of the tilapia. Compared with the feed of high protein contents, the low protein and high carbohydrate type feed for the tilapia can achieve considerably good growth effect and better feed efficiency; compared with feed with the same level of protein and fat, the feed for tilapia of the invention achieves better growth effect, higher protein transformation efficiency and lower ammonian discharge amount.

The invention provides a BiOBr / RGO composite aerogel, a preparation method and application of the BiOBr / RGO composite aerogel, belonging to the technical field of material preparation and environment purification. The method comprises the following steps: firstly, loading the BiOBr on RGO aerogel through a simple one-step hydrothermal method to form the BiOBr / RGO composite aerogel having a macrostructure that the diameter is 2.5cm and the height is 2.5cm by using lysine as a reducing agent and a crosslinking agent. The composite aerogel prepared by the invention has high specific area and is capable of effectively adsorbing and photo-catalytically degrading dye organic pollutant, and is easily separated and recycled. The preparation method is simple, the raw material has low price and is easily available, large-scale industrial production is facilitated, and the obvious economic and social benefits are provided.

The invention discloses a reversible selective adsorption carbon dioxide material as supported ionic liquid, and a preparation method thereof. The material is supported ionic liquid on honeycomb ceramics; the mass percentage content of the supported ionic liquid is 5 to 45 percent; and the material is prepared by an impregnation method. The material has broad application prospects in the fields of adsorbing and recovering CO2 in fuel gas, flue gas and industrial exhaust gas, adsorbing CO2 in aerospace, spacecrafts, space capsules, submarines, bomb shelters, high-precision technical closed rooms and other closed systems, and the like.

The invention discloses a micropore alumina and mullite ceramic separation film supporting body and a preparation method thereof. The supporting body is prepared through the grouting forming technology and the in-situ reaction sintering process and is prepared from, by weight, 52-80% of aluminum oxide materials, 1-38% of alumina-silica raw materials, 1-18% of binding materials and 0.05-10% of additives. The granularity of aluminum oxide materials and alumina-silica raw materials is smaller than or equal to 0.075 mm. The method has the main advantages that a small amount of mullite with binding and filling effects is generated in a sample in situ, the sintering temperature of a product is reduced, and the physical performance of the product is improved; the obtained micropore alumina and mullite ceramic separation film supporting body is low in sintering temperature, high in mechanical strength, high in permeability, capable of resisting acid, alkali and high temperature, high in reproductivity, low in preparation cost, capable of easily controlling the process and suitable for application and popularization and the like.

The invention relates to a functionalized carbon nitride photocatalyst capable of performing catalytic oxidization on benzene to synthesize phenol, and a preparation method and applications of the functionalized carbon nitride photocatalyst, belonging to the technical fields of material preparation and organic photosynthesis. The chemical formula of the functionalized carbon nitride photocatalyst is Fc-Ch=N-C3N4. The preparation method comprises the steps of: firstly, performing heat condensation to carbon nitride precursor; and synthesizing the functionalized carbon nitride photocatalyst by adopting a solvent reflux method. The prepared photocatalyst has high specific surface area, and the phenol synthesis by efficient catalytic oxidization on benzene can be realized. The functionalized carbon nitride photocatalyst is simple in technique, low in cost, and high in yield, meets the practical production demand and has larger application potential.

The invention discloses a sulfur-indium-zinc composite material with a homogeneous heterogeneous knot, as well as a preparation method and an application of the material and belongs to the technical field of material preparation and photocatalysis. The sulfur-indium-zinc composite material disclosed by the invention has a high specific surface area; the phase knot composed of a hexagonal phase and a cubic phase can be used for effectively increasing the separation efficiency of photon-generated carriers of a system, so that the light catalytic activity of visible light of ZnIn2S4 is improved and the sulfur-indium-zinc composite material can be used for efficiently degrading organic pollutants, carrying out photocatalytic sterilization, photolyzing water to prepare hydrogen and carrying out the photocatalysis to selectively oxidize alcohols. The preparation process of a catalyst is simple and low in cost; during the production processing, the green and environment-friendly effects can be realized and the stability of the catalyst is high; the actual production requirements are met and the application potential is great.

The invention relates to application of functional biological carbon fiber. The carbon fiber of which the surface contact angle is 50 to 180 degrees and the range of equilibrium moisture content is 1.0 to 5.9 percent is adopted as a biofilm carrier. The biofilm carrier can rapidly fix nitrobacteria, denitrifying bacteria, sulfatereducting bacteria and anaerobic methanogens. Acrylic and other high-concentration production wastewater is treated mainly through two-phase anaerobic / aerobic nitration and other processes, so that sulfate, COD, BOD, ammonia nitrogen and nitrate nitrogen can be effectively reduced and removed. In addition, a regeneration method of the biofilm carrier is simple and easy to apply and free from secondary pollution. The invention is particularly applicable to the biological treatment of acrylic wastewater and other industrial wastewater with high sulfate, high COD, low carbon-sulfur ratio and substances difficult to biodegrade.

The invention discloses a preparation method of a bamboo base polyvinyl chloride composite board, which comprises the following steps: 1)raw material crashing: crashing bamboo sawdust into bamboo particles with a particle size of less than or equal to 1.2mm, crashing polyvinyl chloride into polyvinyl chloride particles with the particle size of less than or equal to 0.5mm; 2) mildewproof, mothproof and waterproof treatment of bamboo particles; 3)batch mixing: taking the treated bamboo particles derived from step 2) and the polyvinyl chloride particles derived from step 1) as raw materials, mixing the raw materials and flame retardant; 4) hot pressing: preheating the compound derived from step 3) at a temperature of 170-185 DEG C for 3-5min, paving plate blank, hot press forming and then deriving the bamboo base polyvinyl chloride composite board. The adoption of the preparation method of the invention can efficiently use the residue produced in bamboo processing industry-bamboo sawdust and cause the prepared bamboo base polyvinyl chloride composite board to have stable performance.

The invention discloses a n novel bismuth selenate photocatalyst, and a preparation method and application thereof, and belongs to the technical field of material preparation and environment pollution treatment. The bismuth selenate photocatalyst is Bi2SeO5. Bismuth chloride and selenium powder are taken as initiators, a hydro-thermal synthesis method is firstly employed for preparing a bismuth selenide precursor, and then a thermooxidizing method is employed for preparing the Bi2SeO5 nanometer particle with photocatalytic activity. The prepared bismuth selenate photocatalyst is capable of efficiently degrading organic pollutants in water and indoor formaldehyde and other VOC substances, and possesses efficient decoloring degradation effects on pollutants in printing and dyeing wastewater. The preparation technology is simple, low in cost, and green and environment-friendly in production process. The obtained catalyst is high in stability, accords with practical production demand and possesses relatively large application potential.

The invention relates to an iron-loaded fly ash arsenic-removal adsorbent preparation method. The method comprises the following steps: 1) taking 45-60 g of fly ash, cleaning the fly ash and removing impurities, drying the fly ash and passing the fly ash through a 80-120 mesh sieve for standby; 2) preparing a NaOH solution with concentration being 3-6 mol / L and a FeCl3 solution with concentration being 0.1-2 mol / L; 3) adding 250-300 ml of the NaOH solution in the fly ash, performing constant-temperature water-bath stirring for 3-5 h at the temperature of 40-80 DEG C, taking the material out and washing the material to neutrality; 4) performing ball milling: adding fly ash in a neutrality state in a ball mill, adding 20-50 ml of the FeCl3 solution, performing mixed grinding for 1-5 h, putting the fly ash in a modifier; and 5) calcining a mixture in a muffle furnace for 4-6 h at the temperature of 380-450 DEG C; and passing the mixture through the 80-120 mesh sieve to obtain the iron-loaded fly ash. The method completes the modification of the fly ash, the process operation is simple, the condition is mild, the control is easy, and the yield is high; the iron-loaded fly ash has obvious adsorption effect on heavy metal in water, the adsorption efficiency is high, and the problem of arsenic pollution in the water can be effectively solved; and the iron-loaded fly ash has the advantages of low cost and easy industrial production, is benefit for environment, and has obvious adsorption effect on arsenic in water.

The invention discloses an MXene / natural rubber flexible composite film and a preparation method thereof, and belongs to the technical field of nano composite material preparation. The MXene / natural rubber flexible composite film is formed by compounding an MXene two-dimensional nano material and natural rubber. The preparation method comprises the following steps: firstly, etching an A atomic layer in M<n+1>AXn by utilizing a mixed solution of lithium fluoride and hydrochloric acid to prepare an MXene precipitate; re-dispersing the MXene precipitate in water, carrying out ultrasonic treatmentand centrifugation, removing the precipitate, and collecting the supernatant to obtain an MXene nanosheet suspension; and finally, mixing the natural rubber aqueous emulsion with the MXene nanosheetsuspension, and carrying out ultrasonic treatment, suction filtration and drying treatment to obtain the MXene nanosheet / natural rubber composite material. The preparation method disclosed by the invention is simple, does not contain an organic solvent, and has good environmental friendliness. The prepared MXene / natural rubber flexible composite film has excellent flexibility, mechanical strengthand electromagnetic wave shielding performance, the shape of the MXene / natural rubber flexible composite film can be flexibly changed, and the application prospect is wide.

The invention discloses core-shell structured catalyst for preparation of cyclohexanol by selective hydrodeoxygenation of catalytic guaiacol. A preparing method of SiO2-clad Ni@SiO2 core-shell structured catalyst includes the steps of adding soluble nickel salt and polyvinylpyrrolidone to alcohol-water mixed solvent, performing mixing, dropwise adding ammonia water under stirring, adding cetyltrimethylammonium bromide as surfactant, dropwise adding soluble silicon source, and performing violent mixing; and performing filtering, collecting, washing, drying, calcining and reducing to obtain the Ni@SiO2 core-shell structured catalyst. In hydrodeoxygenation reaction of the guaiacol, the Ni@SiO2 core-shell structured catalyst prepared by the preparing method has high target product selectivity, good sintering resistance, carbon accumulation resistance and the like.

The invention relates to an allylthiourea modified konjac glucomannan (KGM) copolymer coating material and a slow-release nitrogen fertilizer. The method comprises a preparation method of the coating mainly made of the modified KGM copolymer and a preparation method of the coated slow-release fertilizer. The optimization conditions of super-absorbent property, fertilizer-keeping property, soil nitrification resistance and the preparation technology and parameters of the slow-release fertilizer can be obtained, and the problem of evaluating the slow-release effect of the coating can be solved. The preparation technology of the coated slow-release fertilizer is simple, the fertilizer is cheap; when the coated slow-release fertilizer is prepared, the coating material can be used as both a coating agent and an adhesive; the water-absorbing property and fertilizer-keeping property of the coating material are respectively increased to 600 times and 350 times as compared with those of konjaku flour, thus the slow-release effect is obviously increased; and the coating material can be completely degraded, no eco-environmental risk is caused, the chemical fertilizer can be utilized to the greatest extent and the pollutions of the chemical fertilizer to the agroecological environment can be reduced.

The invention discloses a space molecular pollutant adsorption material and a preparation method thereof, relates to an adsorption material and a preparation method thereof, and aims to solve the technical problem that the absorption rate of an existing absorption material applied to a spacecraft is low. In the material disclosed by the invention, a spherical 5A zeolite molecular sieve is taken asa core, and the surface of the molecular sieve is coated with an Al2O3 film. The preparation method is that: the spherical 5A zeolite molecular sieve is placed in an atomic layer deposition apparatus, and an aluminum source and a water source are alternately injected in a chamber to deposit and grow an atomic layer periodically in nitrogen at a temperature of 150-180 DEG C, and the Al2O3 film isdeposited on the surface of the molecular sieve to obtain the space molecular pollutant adsorption material. The adsorption amount of the material to organic gases such as organosiloxane, methane andn-butene is 10 to 15 mg.g<-1>, and the material can be applied to the fields such as in-orbit operation pollution control, indoor air purification, petrochemical catalytic degradation, vehicle exhaustemission, metallurgical industry, and agricultural environmental protection.

The invention provides a vegetable oil sourced additive, as well as preparation and application of same. The vegetable oil sourced additive comprises, by mass, 10-70% of a vegetable oil sourced additive, 10-70% of a hydrophilic / lipophilic solvent, and 1-20% of a surfactant. The vegetable oil sourced additive has anti-drafting function and is good in moisture absorption and retention performance, is good in anti-evaporation performance and compatibility, is safe and environment-friendly, and improves adhesiveness of fog drops of a prepared diluted medicine liquid. In addition, the vegetable oilsourced additive can effectively improve the stability of the prepared diluted medicine liquid. The preparation method is simple in conditions and has controllable conditions, thus effectively guaranteeing stability of performances of the vegetable oil sourced additive, and fully achieving the synergistic effect of the components. Production cost is also reduced.

The invention discloses environment-friendly repeated-writing paper and a preparation method therefor. According to the environment-friendly repeated-writing paper and the preparation method therefor, a hydroxyl protective group is added into a nano bacterial cellulose suspension with excellent characteristics such as high water absorptivity and water retention ability and good water and air permeability, so as to lower hydrophilicity; a staged reaction is carried out under strong base conditions, so that bacterial cellulose reaches moderate water absorptivity and water retention ability, ink can only be present in a surface layer and be clear in writing while the ink is absorbed, and thus, writing, reading and subsequent handwriting wiping are facilitated; then, a scientifically-compounded dispersant is added, and ultrasonic and high-voltage pulse electric field combined dispersion is carried out, so that a stable and uniform modified bacterial cellulose suspension is obtained; finally, the surface of raw paper is coated with the suspension so as to obtain the writing paper with appropriate ink absorbing uniformity and adhesive power and a dense structure, thus, the writing property of the writing paper can be enhanced, and the clearness of writing is enhanced; and waterproofing and oil-proofing actions can be achieved, most importantly, ink marks on the paper can be erased with a cleanser and the paper can be reused for 40 to 100 times under the condition that the performance of the paper is not affected.

The invention discloses a preparation method of mulberry twig granular biofuel, aiming to solve the problem that plenty of mulberry twigs generated by silkworm breeding can not be effectively utilized. The novel granular biofuel is prepared by utilizing waste mulberry twigs as the main raw materials and moderately adding auxiliary materials. The prepared granular fuel has excellent combustion performance. The preparation method has the beneficial effects that the mulberry twigs as byproducts of the silk industry can be effectively utilized; the raw materials are abundant, have strong reproducibility and are low in cost; the mulberry twig granular biofuel has a high combustion value and excellent combustion performance, is basically free from smoke, carbon dioxide and sulfur dioxide emission during combustion, and has great effects on controlling environmental pollution, protecting ecology, increasing the economic benefits of the traditional silk industries and increasing the income of farmers.

The invention discloses application of graphene aerogel in removing uranium through photocatalysis. According to the invention, the graphene aerogel is put into a uranium-containing solution, a methanol sacrificial agent is added, the uranium-containing solution and the methanol sacrificial agent are stirred and contact with each other in a dark box, and then a light source is turned on to performa photocatalytic reaction so as to remove uranium in the solution. The invention also discloses a preparation method of the graphene aerogel. The preparation method comprises the following steps: with graphite as a raw material, preparing graphene oxide, preparing an aqueous graphene oxide solution, further carrying out ultrasonic stirring, and further stripping a graphene oxide sheet layer to obtain a mixed solution; and roasting the obtained mixed solution at a high temperature, conducting cooling, cleaning a product, and carrying out freeze drying to obtain the graphene aerogel. The graphene aerogel prepared by the method has excellent photocatalytic performance on uranium, the uranium removal capacity is up to 1050 mg / g, and the graphene aerogel still has very high activity after being recycled five times.

The invention discloses a method for comprehensively extracting and purifying anthocyanin and general flavone which does not comprise the anthocyanin in sugarcane toppers or slag. The method comprises the steps of firstly extracting the sugarcane toppers or slag by an organic solvent, concentrating the extract and passing the extract through a chromatographic column filled with a macro-porous adsorptive resin, removing water-soluble impurities such as glucide by a gradient elution method, respectively collecting the ethanol eluent with a low concentration and the ethanol eluent with a high concentration to obtain two ingredients of the anthocyanin and the general flavone which does not comprise the anthocyanin, and respectively enriching and purifying the ingredients of the anthocyanin and the general flavone which does not comprise the anthocyanin by a solvent extraction method and an acid and alkali treatment method so as to obtain the anthocyanin and the general flavone which does not comprise the anthocyanin. Compared with the reported methods for extraction and separation of similar ingredients, the method of the invention can not only completely extract two main oxidation-resistant ingredients in the sugarcane toppers or slag, also the reagents consumed in the technological process can be recycled. The method has low production cost, high purity and mature technology, and is easily controlled and in favour of industrial production.

The invention discloses a cadmium-doped bismuth molybdate visible-light-induced photocatalyst, a preparation method and application of the cadmium-doped bismuth molybdate visible-light-induced photocatalyst, and belongs to the technical field of material preparation and environmental pollution improvement. The preparation method comprises the following steps of: introducing Cd into a bismuth molybdate crystal lattice in a microwave-solvothermal way; and then synthesizing to obtain a metallic-ion-doped visible-light-induced photocatalyst. The photocatalyst can respond to visible light, thus an organic pollutant of a dye in wastewater can be efficiently degraded; and the performed microwave way has the characteristics of being efficient, convenient and fast, and can quickly synthesize such catalyst. The preparation method is simple, low in cost and high in yield, meets the actual production demand, and has relatively high application potential.

The invention discloses a water soluble reproducible corrosion inhibitor and a preparation method and application thereof. With idesia oil and vinylamine as raw materials, amination and cyclization reactions are performed under the functions of catalyst and water carrying agents, an obtained product and dimethyl phosphite react with each other, and the water soluble reproducible corrosion inhibitor is obtained. The prepared water soluble reproducible corrosion inhibitor is small in dosage, the corrosion inhibition efficiency is high, the water soluble reproducible corrosion inhibitor is free of poison or harm to the environment and is biodegradable, the heat stability is good, pungent smell is avoided, the water solubility is good, and the development requirement of green corrosion inhibitors is met. The reaction conditions of the method are easy to control, the process is simple, the method is environmentally friendly, the cost is low, the source of raw materials is wide, the water soluble reproducible corrosion inhibitor is reproducible, cheap and easy to obtain, industrial production is easy, and a new thought is provided for preparing the environment-friendly sustainable development corrosion inhibitors.

The invention discloses a self-repairable, high-strength and antibacterial soybean protein film and a preparation method thereof. The self-repairable, high-strength and antibacterial soybean protein film is prepared from the following raw materials by weight: 100 parts of a main agent, 100 parts of a toughening agent, 6-12 parts of a cross-linking agent and 2000 parts of dispersion medium water. The preparation method comprises the following steps of: (1) mixing the main agent, the toughening agent and the dispersion medium water in proportion, and performing homogenizing and emulsifying for 10min by a high-pressure homogenizer under the action of a 30MPa pressure and a 0.5MPa emulsifying force; then performing stirring for 30min at 85DEG C fully into a mixed solution; (2) dissolving 6-12parts of the cross-linking agent into 10g of water, adding the obtained product into the mixed solution dropwise, carrying out ultrasonic treatment for 30min, and then performing stirring at 50DEG C for 1h until the solution is uniform; (3) pouring the solution subjected to the ultrasonic treatment into a polytetrafluoroethylene mold, and performing drying in a 45DEG C vacuum drying oven for 24h to obtain a pre-finished product; and (4) putting the pre-finished product into a drying apparatus with a relative humidity of 45-50% for humidity conditioning, thus finally obtaining the self-repairable, high-strength and antibacterial soybean protein film.

The invention discloses triangular bream compound feed, which comprises premixed materials and the following components in mass percent: 31.0-36.0 percent of crude protein, 3.5-6 percent of crude fat, 7-9 percent of ash, 20-30 percent of carbohydrate and 7-9 percent of water. The formula raw materials of the triangular bream compound feed are reasonably selected, the nutrients are balanced, the processing technology is reasonable, the nutrient demands of triangular breams can be fully met, the survival rate and growth speed of the triangular breams, the utilization ratio of the feed and the protein conversion efficiency, immunity and oxidation resistance of fish bodies are improved, and the product quality is improved.

The invention discloses a carbon-doped MoS2 / CoP / C composite antibacterial material, a preparation method and application thereof, and belongs to the technical field of material preparation and antibacterial materials. The method comprises the following steps: (1) uniformly stirring carbon nanospheres, cobalt nitrate hexahydrate, urea and water to obtain a mixed solution, putting the mixed solution into a reaction kettle, then putting the reaction kettle into a drying oven, and carrying out a hydrothermal reaction; (2) centrifuging, washing and drying the mixed solution obtained by the hydrothermal reaction to obtain solid powder; (3) putting the solid powder and sodium hypophosphite into a tubular furnace, and calcining in a nitrogen atmosphere to obtain carbon-doped CoP / C; (4) adding CoP / C, thioacetamide and sodium molybdate into a beaker, uniformly stirring to obtain a mixed solution, putting the mixed solution into a reaction kettle, then putting the reaction kettle into a drying oven, and carrying out a hydrothermal reaction; and (5) centrifuging and washing the mixed solution obtained by the hydrothermal reaction, and drying to obtain the carbon-doped MoS2 / CoP / C composite antibacterial material. The composite material is excellent in antibacterial performance, short in reaction time and low in experiment cost, and has great industrial application potential.