129results about How to "Solve the energy crisis" patented technology

The invention provides a vacuum pipeline docking technology and a high-speed permanent maglev train system. With the station-training docking technology, the door closing time of the maglev train inside the vacuum pipeline can be shortened for scores of seconds, so the rapid on-off can be realized. When a telescopic door and a separation cabin door are withdrawn to be close to the wall of the vacuum pipeline, the high-speed pass of the tray is free from being influenced. The telescopic door is locked by a permanent magnet suction disc, and the locking force is free from being controlled by the electric power, so the gas leakage and pressure relief caused by the invalid locking for sudden power down can be prevented. The energy can be remarkably saved, the energy can be saved by more than 97 percent compared with that of high-speed track train, and the energy can be saved by more than 99 percent compared with that of the airplane.

The invention discloses a preparation method and application of a cadmium sulfide / graphite like carbon nitride (CdS / g-C3N4) composite visible light catalyst. The preparation method of the catalyst is a chemical precipitation method which is performed in an alkaline environment, wherein g-C3N4 is taken as a matrix, and CdCl2 and Na2S are taken as raw materials. The weight ratio of CdS to g-C3N4 in CdS / g-C3N4 is (1:2)-(5:1), and when the composite visible light catalyst is used for visible light catalysis treatment of methylene blue and methyl violet solutions, a better degradation effect can be obtained; and furthermore, the catalyst can still keep higher catalytic activity after being reused for five times. The composite visible light catalyst disclosed by the invention has important significance for development of the visible light catalyst, and also has good application prospects in treatment of dye wastewater.

The invention relates to a marine power generation platform unit plant which comprises a platform main body, multiple fluid energy collecting devices and a generating set. All the energy collecting devices are transmitted to an energy centralization main shaft by a transmission gear, and the main shaft is connected with the generating set. The platform main body is a framework three dimensional structure formed by crossbeams and is fixed on a plurality of bearing hollow floating bodies, and then sinks to a certain depth in the sea and is fixed on heavy things or a pile at the seafloor by an iron chain; a majority of the platform main body is dipped in the water, while small part is exposed out of the water surface. An umbrella-type wind energy collecting device, the fluid energy collecting devices, a deep level water flow energy collecting device and a tide energy collecting device are arranged on the platform main body; an ocean comprehensive energy collecting device, a floated pendulous wave energy collecting device and a wind energy collecting screen are arranged on the sea at the two sides of the platform main body and transmitted to the energy centralization main shaft by a working rope. A plurality of marine power generation platform unit plants can be connected with each other to form multiple groined type connected integral large marine power generation platform.

The invention discloses a recombinant vector and recombinant bacterium of Trichoderma reesei beta-glucosaccharase gene BGL1, and expression of the Trichoderma reesei beta-glucosaccharase gene BGL1 in the recombinant bacterium. The recombinant vector containing the Trichoderma reesei beta-glucosaccharase gene BGL1 is constructed by the following steps: (1) carrying out PCR (Polymerase Chain Reaction) amplification on the Trichoderma reesei beta-glucosaccharase gene BGL1, and connecting to a TA vector; and (2) constructing the Trichoderma reesei beta-glucosaccharase gene to a pichia pastoris expression vector. The recombinant bacterium disclosed by the invention can effectively express the target protein Trichoderma reesei beta-glucosaccharase BGL1. The invention overcomes the defect that a great deal of beta-glucosaccharase can not be purified from Trichoderma reesei in the prior art. Lots of waste lignocellulose exists in the natural world. The method provided by the invention can increase the yield of beta-glucosaccharase, and has very important meanings in enhancing degradation efficiency of cellulose, efficiently producing energy from waste cellulose and solving the problem of energy crisis at present.

The invention relates to agricultural energy field, which in detail relates to a method for producing biodiesel and soil modifier with plant waste. The method comprises following steps: disintegrating plant waste, hydrolyzing with normal enzyme or acid and getting hydrolysate, fermentating with hydrolysate to culture bacteria producing fat; inoculating endotrophic bacteria or probiotics to hydrolytic waste; extracting fat from cultured bacteria, methyl esterification for extracted fat and getting biodiesel; mixing bacteria waste and straw hydrolytic waste inculated with endotrophic bacteria or probiotics and getting soil modifier. The invention maximizes efficent use of capital by making use of straw.

The invention discloses an electric methanol hydrogen transporting tool. The tool comprises a methanol-to-hydrogen system, a hydrogen generating system and an electric engine, wherein the methanol-to-hydrogen system, the hydrogen generating system and the electric engine are connected with each other in sequence. The methanol-to-hydrogen system is used for preparing hydrogen through methanol steam reforming; the hydrogen passes through a membrane separation device plated with a palladium silver alloy to obtain a high-purity hydrogen; the obtained hydrogen is used for generating power through the hydrogen generating system; and the generated electric power is provided to the electric engine to work. The hydrogen generating system comprises a fuell cell, wherein the fuell cell comprises a plurality of sub fuel cell modules; and each sub fuel cell module comprises at least one super-capacitor. According to the electric methanol hydrogen transporting tool disclosed by the invention, the methanol can be used as energy for the transporting tool so that problems of energy crisis and vehicle emission are solved. The electric methanol hydrogen transporting tool disclosed by the invention is advantaged in that the volume of a hydrogen preparation device is small; the prepared hydrogen is rapid, stable and highly purified because the hydrogen is purified by using a special catalyst formula and a palladium membrane; and stable input energy can be provided to the transporting tool.

The invention provides a recombinant saccharomyces cerevisiae strain for continuously and efficiently secreting beta-glucosidase, which is named Saccharomyces cerevisiae 102SB, and preserved with a Preservation No. of CGMCC No. 7450 in the China General Microbiological Culture Collection Center on April 11, 2013. The recombinant saccharomyces cerevisiae disclosed by the invention can continuously and efficiently secrete beta-glucosidase in a complex non-selective medium, and the extracellular enzyme activity can reach 1005.3 U / g (dry weight). By using a characteristic that the maximum specific growth rate of cellobiose is consistent with that of glucose, the strain reaches 0.29 h<-1> under the condition of limited oxygen. In SSF taking a cellulose material as a substrate, the yield of ethanol taking microcrystalline cellulose as a substrate is increased by 110%, and the yield of ethanol taking acid-hydrolyzed corncobs as a substrate is increased by 89%. The recombinant saccharomyces cerevisiae strain disclosed by the invention is of great importance in reducing the production cost of simultaneous saccharification and fermentation in the process of cellulosic ethanol production, and simplifying the production process.

The invention discloses recombinant zymomonas mobilis capable of producing ethanol by using xylose and a fermentation method thereof. The recombinant zymomonas mobilis GX1 capable of producing the ethanol by using the xylose is preserved in China General Microbiological Culture Collection Center, and has a preservation number of CGMCC 3438. The controlling elements of Escherichia coli rrnB and related genes of xylose metabolism are fused to build plasmids with artificially fused operons for the first time; and recombinant zymomonas mobilis strains capable of producing the ethanol by using the xylose are obtained through a method of electrotransformation and acclimatization. The recombinant zymomonas mobilis can efficiently express exogenous genes, can efficiently produce the ethanol by using glucose and the xylose to ferment together at the temperature of between 30 and 34 DEG C, and can produce the ethanol by using corncob hydrolysate containing the xylose and the glucose. The strains have important significance for producing clean energy by effectively using waste lignocellulose and solving the current energy crisis.

An internal-combustion engine using combustible powder as fuel consists of fuel material preprocessor, mixer, fuel jet and discharging processor. The said combustible powder is prepared from plant residues, coal or combustible wastes and additives.

The invention provides a method for preparing biological coal, and belongs to the technical field of biomass carbonization. In the method, the biological coal is prepared by processing a biomass molding fuel, such as drying, carbonizing, cooling and the like in turn through carbonization conversion technology; a process system adopted in the carbonization conversion technology is approximately a sealing system, superheated vapor or N2 or other inert gases are taken as a medium, and part of vapor is from moisture in a wet raw material; in the process, vapor and heat produced in the drying process are provided for a heater for carbonization, so that heat energy is recycled in the process, and only a small amount of heat energy needs to be supplemented; a small amount of pyrolysis gas produced in the carbonization process is recycled as a fuel, so that a heat source is provided for the drying and carbonization processes; and heat released in the cooling process is recycled, so that the heat energy is provided for the drying and carbonization processes. The biological coal prepared by the method solves the problems of storage, transportation, fire prevention and the like in the biomass utilization process, and can be used for direct combustion power generation.

The invention discloses a plasma heater. The plasma heater comprises a cathode and a nozzle. A plasma generation space is formed by the head of the cathode and the nozzle. The cathode is sleeved with a tubular structure. The tubular structure is sleeved with a channel. The channel is communicated with a water supply system. One end of the channel extends to the plasma generation space. The nozzle comprises a nozzle wall and a nozzle opening located in the nozzle wall. The invention further discloses a plasma heating device. Compared with old-fashioned electric heating, the electricity consumption of the plasma heating device is reduced by at least 50 times, the water consumption can be ignored nearly, most water is recycled, and the service life of the plasma heating device can reach above 30 years. Compared with traditional consumption, gas combustion and electricity consumption, cost is low, the electricity consumption is low, the heat value is high, outside and inside restrictions are avoided, the application space is broad, the plasma heating device is a new energy support project, a national energy crisis is solved, and the plasma heating device is one of sustainable development projects.

The present invention provides one kind of electricity generating method and features that liquid work medium of proper boiling point is enclosed inside circulation system and boiled in the place with relatively lower altitude to form vapor, the vapor is pipeline transferred to the place with higher altitude and condensed to obtain increased potential energy and cold energy, the liquid work medium flows in pipeline to the lower altitude place to drive the hydraulic generator to produce electricity before entering into the next circulation while co-producing great amount one cold energy. The smaller the temperature difference, the higher the electricity generating efficiency. The present invention makes it possible to utilize various low-grade energy to produce great amount of electric energy.

The invention belongs to the technical field of material synthesis, and in particular relates to a preparation method and application of a visible-light responsive g-C3N4 / Bi2S3 heterojunction material. According to the invention, a Bi2S3 nanoparticles loaded graphite type C3N4 heterojunction photocatalyst is synthesized through a simple solvothermal method, and can be used for degrading rhodamine B under visible light. The preparation method of the visible-light responsive g-C3N4 / Bi2S3 heterojunction material has the advantages that the preparation process is simple and convenient, the cost is low, and the prepared catalyst has good environmental stability, and is easy to realize large-scale industrial production. The metal sulfide, namely Bi2S3 is compounded with a nonmetal catalyst, namely g-C3N4 to form heterojunctions, so that the transmission of photoinduced electrons and holes can be greatly promoted to obviously improve the visible light photocatalytic activity of the catalyst.

The invention provides a photoelectrochemical cell. The photoelectrochemical cell comprises a photocathode and a photoanode which are arranged in parallel on the space, and projections of the photocathode and the photoanode on a plane vertical direction located by the photocathode and the photoanode are free from overlapping; the photocathode and the photoanode of the photoelectrochemical cell provided by the invention can simultaneously and maximally receive the irradiation of the vertical sunlight; two poles of the photoelectrochemical cell designed through the structure can be prepared through a coating method, printing and like technology, the process is simple, each of two poles has a patterning function and is easy for industrial continuous production, and can simultaneously receivethe irradiation, is free from using a proton membrane and capable of being manufactured as a flexible device, and the utilization efficiency of the sunlight is relatively high. The photoelectrochemical cell provided by the invention can degrade organic pollutant at the photoanode and remove multiple heavy metal ions and perform hydrogen production reaction at the photocathode, the dual-aim of removing pollutant through the solar energy and removing the heavy metal ions and producing hydrogen through the solar energy can be realized, thereby solving the environment pollution and energy crisis problems.

The invention discloses a water hydrogen powered vehicle without exhaust emission. The water hydrogen power vehicle comprises a vehicle body, a system for preparing hydrogen with methanol, a hydrogen power generation system, and a genemotor, wherein the system for preparing hydrogen with methanol utilizes and reform methanol steam to prepare hydrogen; the hydrogen is processed through a membrane separation device coated with palladium silver alloy so as to obtain high-purity hydrogen; the obtained hydrogen generates electricity through the hydrogen power generation system; the generated electricity energy is provided for the operation of the genemotor; the system for preparing hydrogen with methanol comprises a storage container, wherein the storage container is provided with an insulating mechanism and an insulating mechanism regulating unit; the insulating mechanism separates the storage container into at least two zones; the insulating mechanism regulating unit regulates the position of the insulating mechanism in the storage container, and regulates the size of each of the zones. Through the adoption of the water hydrogen power vehicle without exhaust emission, disclosed by the invention, the methanol can be utilized as an energy resource of the vehicle, so that an energy crisis is solved, the exhaust emission of the vehicle is reduced even avoided. According to the water hydrogen powered vehicle disclosed by the invention, the water hydrogen powered vehicle can collect the emitted exhaust CO2 as raw materials of subsequent handlings, so that no harmful gas is emitted, even the emission of CO2 can be avoided, and the environment is effectively protected.

The invention discloses a methanol hydrogen electric water transporting machine. The electric water transporting machine comprises a methanol-used hydrogen production system, a hydrogen generating system and a dynamotor. The methanol-used hydrogen production system, the hydrogen generating system and the dynamotor are sequentially connected. Methanol steam is utilized by the methanol-used hydrogen production system for reforming and producing hydrogen, the hydrogen passes through a membrane separating device plated with palladium silver alloy, high-purity hydrogen is obtained, generating is achieved by the obtained hydrogen through the hydrogen generating system, and generated electricity is provided for the dynamotor for operating. According to the methanol hydrogen electric water transporting machine, methanol can be utilized to serve as energy of the water transporting machine, the energy crisis is resolved, and the vehicle emission is reduced. A hydrogen production device is small in size, purification is carried out by utilizing a special catalyst formula and a palladium membrane, the prepared hydrogen is rapid, stable and high in purity, and the stable input energy can be provided for the water transporting machine.

A fuel boiler of plant powder type is prepared for setting material feeding mouth and floss hole and ignition opening on furnace wall, arranging slag hole under furnace wall, fixing flue pipe guide wall on furnace wall in furnace body and setting said guide wall between floss hole and material feeding mouth in parallel to chain fire-grate, extending one end of material feeding pipe on fan into burning chamber and connecting another end of material feeding pipe on fan with external fan of furnace body and material feeding box as well as material feeding machine. Its burning method is also disclosed.

The invention belongs to the technical field of material synthesis, and particularly relates to a preparation method of a NiCoP@graphene aerogel efficient hydrogen evolution composite material and study for the hydrogen evolution property of the NiCoP@graphene aerogel efficient hydrogen evolution composite material. Polysaccharide and graphene are combined together, hydrogel is formed through thechelate effects of the polysaccharide and metal ions of Co and Ni and then is frozen and dried into aerogel, and the aerogel is further phosphorized into the NiCoP@graphene aerogel composite material,and the NiCoP@graphene aerogel composite material is used for efficient hydrogen evolution under the acidic condition. The preparation method has the advantages that environmental friendliness is achieved, the cost is low, a preparation technology is simple and convenient, and a prepared catalyst is easy to produce industrially on a large scale and has excellent electrocatalytic activity and goodhydrogen evolution stability.

The invention belongs to a hydrogen evolution composite material; a polysaccharide and graphene are combined, a hydrogel is formed by using a chelation effect of the polysaccharide and a metal ion, the hydrogel is freeze-dried to form an aerogel, and the aerogel is further phosphorized to form a Ni2P@C / graphene aerogel high-efficiency hydrogen evolution composite material for high-efficiency hydrogen evolution under acidic conditions. The hydrogen evolution composite material has the advantages of being green, environmentally friendly, low in cost, and simple in preparation process, and the prepared catalyst is easy to be industrially produce on a large scale and has excellent electrocatalytic activity and good hydrogen evolution stability. The carbon aerogel formed by carbonization of thepolysaccharide has a developed network structure which greatly increases the specific surface area of a catalyst. The pore structure of the aerogel plays a very good role in the fixation and dispersion of Ni2P nanoparticles. The electron migration rate is greatly improved, and the electrochemical hydrogen evolution performance of the Ni2P can be significantly improved.

The invention relates to a powder desulfurizing agent for a cement kiln, and a preparation method and application of the powder desulfurizing agent. The powder desulfurizing agent is prepared from thefollowing raw materials in percentage by mass: 50 to 65% of calcium hydroxide, 3 to 4% of aluminum oxide, 0.01 to 0.5% of ferric oxide, 20 to 35% of urea, 5 to 15% of sodium bicarbonate and 1 to 2% of a rare earth element compound. The rare earth element compound comprises the following raw materials in percentage by mass: 77-80% of rare earth tailings, 17-20% of manganese dioxide and 3-5% of cerium dioxide, wherein the proportions of the rare earth tailings, the manganese dioxide and the cerium dioxide refer to the percentages of the rare earth tailings, the manganese dioxide and the ceriumdioxide to the total mass of the rare earth element compound. The preparation method comprises the following steps: mixing the above raw materials in proportion, carrying out deep processing, then grinding the raw materials into a powdery material, and carrying out sufficient mixing to obtain the powdery desulfurizing agent. The desulfurizing agent is added into a kiln together with a cement raw material so as to reduce the concentration of SO2 in cement kiln flue gas, wherein the adding amount of the desulfurizing agent is 0.03-0.3% of the mass of the cement raw material.

The invention discloses preparation of a modified carbon nitride photocatalyst and application of the modified carbon nitride photocatalyst in synthesis of lactic acid by photocatalytic oxidation of glucose, and belongs to the technical field of catalysis. The preparation method of the catalyst comprises the following steps: uniformly stirring a nitrogen-containing compound precursor and a boric acid-acetic acid solution, calcining, and further calcining to obtain the in-situ boron and oxygen heteroatom doped modified carbon nitride material. The application process of the catalyst in photocatalytic oxidation of glucose to synthesize lactic acid comprises the following steps: mixing the modified carbon nitride photocatalyst, glucose and an alkaline solution, and carrying out a photocatalytic reaction; and filtering to remove the catalyst, and determining the lactic acid content of the filtrate through a high performance liquid chromatograph. The method for preparing the catalyst has good universality, the used catalyst has the advantages of being high in catalytic activity, good in stability, capable of being recycled and the like, glucose is simply and efficiently catalyzed to synthesize lactic acid, and good application prospects are achieved.

The invention relates to a mechanical power supply system, in particular to a full-intelligence mechanical energy storage power supply system. The full-intelligence mechanical energy storage power supply system comprises a shell, an output electric energy concentrator, a transformer, an intelligent control center, a storage battery and multiple power generation assemblies; the power source outputend of the storage battery is connected with the power source input end of the intelligent control center, and the control output end of the intelligent control center is connected with the control input end of each power generation assembly. A spring energy storage box is arranged, operation of a transmission is changed into operation of an electric generator, elastic potential energy of a springin the spring energy storage box is converted into electric energy, power use needs of mobile power, outdoor temporary power and power fields which cannot be supplied by some municipal power supply are met, through arrangement of a plurality of sets of power generation units, in the work process of an energy adding device of each power generation system, a spring in the spring energy storage boxcan be subject to energy adding without any external energy, long-time power supply is achieved, and the energy danger of the human can be solved.

The invention relates to a multi-energy complementary distributed energy and resource comprehensive energy supply system and an energy supply method. An existing distributed energy and resource utilization system is too independent, lacks complementarity and interactivity, and has the problems that the system efficiency is low, the resource and energy utilization rate is low and the like. According to the system and the method, various distributed energy sources and various resources can be complemented and utilized, the energy utilization efficiency is improved, meanwhile, the resource utilization can also be optimized, so that interconnection and interworking and efficient cyclic utilization of multi-energy complementary distributed energy sources and resources are achieved; the defectsof the existing energy system and resource utilization in technologies and applications are overcome, 100% recycling and reusing of the energy sources, garbage, plants and sewage are realized, and resource recycling is improved; and therefore, the energy crisis is solved, the environmental pollution is reduced, the ecological environment is protected, the comprehensive utilization work of the resources is promoted, the comprehensive utilization rate is improved, and the integrated target of the distributed energy resources, low-temperature geothermal resources and garbage recycling is realized.

The invention discloses a method for repairing rocky desertification mountain land through interplanting of cornus wilsoniana, raspberry trees and ivy. According to the method, cornus wilsoniana capable of repairing rocky desertification is used as an arbor, raspberry trees are used as a shrub, and ivy is used as a liana; nursery stock is transplanted to the rocky desertification mountain land in the rainy season, arbor and shrub interplanting is conducted, the row spacing of cornus wilsoniana is 2.5-3.5 m, and the line spacing of cornus wilsoniana is 3.5-4.5 m; a triangle planting mode is adopted for raspberry trees, in other words, a line of raspberry trees is interplanted between every two lines of cornus wilsoniana; the row spacing of raspberry trees is 1.0-1.2 m, and one raspberry tree is planted in the middle of cornus wilsoniana of the same line; ivy is planted around cornus wilsoniana roots, and 2-3 pieces of ivy are planted around each piece of cornus wilsoniana; rooting watering is conducted after transplantation, and then conventional cultivation management is conducted. The method can effectively control water and soil loss and control rocky desertification, and can also promote economic development of the karst region and increase rural income, and has high social benefits, economic benefits and ecological benefits.

The invention discloses a method for preparing straw biochar by hydrothermal carbonization. The method comprises the following steps that S1, straw is crushed and mixed with water, wherein the solid-liquid ratio of the straw to the water is (10:5)-(20:1); S2, the mixture is introduced into a hydrothermal carbonization reaction tank for a hydrothermal carbonization reaction; S3, a product of the hydrothermal carbonization reaction is cooled, filtered, separated and dried to obtain the straw biochar. The method has the advantages that a new straw recycling mode is provided, the process is simple, the potential of carbon fixation and emission reduction is increased, and the comprehensive utilization rate and economic benefit of the straw are increased.

The invention discloses a room-temperature low-pressure preparation method of biomass granules. The room-temperature low-pressure preparation method of the biomass granules comprises the following steps: taking one or more biomasses of dried and pulverized sawdust, straws, rice husk, wild herbaceous plants or leaves as raw materials and natural plant fiber or synthetic fiber as an enhancer; uniformly mixing the enhancer fiber with the length range of 0.1-50 mm and the dried and pulverized biomass raw materials according to a weight ratio of 1: 100-100: 1; and processing the mixture into the biomass granules at a temperature of 5 to 50 DEG C and a pressure of 0.1-10 MPa. By adopting a room-temperature low-pressure process, production equipment and a production process are simplified, and the energy consumption in the production and the production cost are reduced; the biomass granules prepared by the preparation method have the advantages of high density and high strength and are convenient to transport, store and feed; and the biomass granules have the advantages of high calorific value and low pollutant emission in a combustion process, and the like, so that the problems of energy crisis and environmental pollution are effectively solved.

The invention discloses a water hydrogen power mining machine without tail gas discharging. The water hydrogen power mining machine comprises a mining machine body, a methyl alcohol hydrogen production system, a hydrogen power generation system, and a genemotor; the methyl alcohol hydrogen production system is used for hydrogen generation by using methyl stream reforming; the hydrogen can be used for obtaining highly purified hydrogen after passing through a palladium-silver alloy plating membrane separation device; the obtained hydrogen is used for power generation by using the hydrogen power generation system; generated power energy is provided for the genemotor for work; the mining machine body comprises a cutting part and a dragging part; the main function of the cutting part is that coal cutting and coal loading on a coal mining working surface are finished; the dragging part comprises a dragging transmission device and a dragging mechanism. According to the water hydrogen power mining machine disclosed by the invention, methyl alcohol is used as energy for automobiles, so that the energy dilemma is solved, and even the automobile discharging is avoided. The water hydrogen power mining machine can be used for collecting discharged tail gas which can be used as raw materials in a following working procedure, no harmful gas is discharged, and even the discharging of carbon dioxide can be avoided, so that the environment is effectively protected.

The invention discloses preparation of a porous hollow carbon nitride nanotube photocatalyst and application of the porous hollow carbon nitride nanotube photocatalyst in synthesis of lactic acid by photocatalytic oxidation of xylose, and belongs to the technical field of catalysis. The preparation method of the catalyst comprises the following steps: uniformly stirring a nitrogen-containing compound precursor and a hydrochloric acid solution, then carrying out hydrothermal treatment, and calcining the obtained solid to obtain the porous hollow carbon nitride nanotube material. The application process of the catalyst in synthesis of lactic acid through photocatalytic oxidation of xylose comprises the following steps: mixing the porous hollow carbon nitride nanotube photocatalyst, xylose and an alkali solution, and carrying out a photocatalytic reaction; and conducting filtering to remove the catalyst, and measuring the content of lactic acid in filtrate through a high performance liquid chromatograph. The method for preparing the catalyst has good universality, the used catalyst has the advantages of being high in catalytic activity, good in stability, capable of being recycled and the like, xylose is simply and efficiently catalyzed to synthesize lactic acid, and good application prospects are achieved.

The invention relates to castor oil modified emulsion for improving edge corrosion resistance of a waterborne coating. The castor oil modified emulsion for improving the edge corrosion resistance of the waterborne coating is obtained by core-shell emulsion polymerization of core monomer pre-emulsion and shell monomer pre-emulsion, a castor oil modified monomer is added in the shell monomer pre-emulsion, and the formula of the castor oil modified monomer comprises 38.96% to 65% of castor oil, 5.96% to 22.16% of isocyanate acrylate, 23.70% to 48.90% of acetone, 0.19% to 0.65% of an organic tin catalyst, and 0.0019% to 0.0065 % of a polymerization inhibitor, and the components are condensed and vacuum removal of acetone is carried out to obtain the castor oil modified monomer. The castor oil modified emulsion for improving the edge corrosion resistance of the waterborne coating disclosed by the invention increases the reactivity of the castor oil, microgel is synthesized through a manner of the core-shell emulsion polymerization, and when the microgel is used in the waterborne coating, a triglyceride structure of the castor oil is better exposed on the surfaces of latex particles in a shell part of the emulsion, furthermore, the triglyceride structure obviously inhibits film shrinkage, and improves the edge corrosion resistance of the film in the solidification process of the film.