373 results about "Bagasse" patented technology

The invention discloses a preparation method of a photocatalytic nanofiltration membrane based on IL-GQDs. The method comprises the following steps: pretreating bagasse, and applying the pretreated bagasse and imidazole ionic liquid (IL) to preparation of ionic liquid functionalized graphene quantum dots (IL-GQDs); the IL-GQDs are uniformly distributed on the surface of the base membrane by utilizing a vacuum-assisted low-temperature interfacial polymerization technology to form an ultrathin photocatalytic active layer; and finally, curing and cleaning to obtain the photocatalytic nanofiltration membrane based on the IL-GQDs. According to the prepared IL-GQDs, the membrane surface is endowed with high specific surface area and excellent photocatalytic activity, and meanwhile, an additional water transmission channel can be established under the condition that the pore diameter of the membrane is not changed, so that the problem of trade-off of a traditional membrane is solved. In addition, through combination of low-temperature and vacuum-assisted interfacial polymerization technologies, the membrane structure is more uniform and compact, defects on the surface of the membrane are reduced, and the stability and the anti-pollution capacity of the membrane are improved. The membrane disclosed by the invention shows relatively high water flux, salt recovery rate and long-term stability in water treatment application.

The invention relates to the technical field of material science and engineering, and discloses a nanocellulose-based oil-water separation and adsorption composite material, which is prepared from the following raw materials in parts by mass: 35 to 45 parts of nanocellulose; 8 to 11 parts of bagasse cellulose; 10 to 15 parts of sodium lignin sulfonate; 4 to 8 parts of chitosan; 5-10 parts of oxidized starch; 5 to 8 parts of cellulose nanowhiskers; 2-5 parts of silicon dioxide nanoparticles; 0.5 to 1 part of calcium carbonate nanoparticles; 1-2 parts of a citric acid cross-linking agent; 1-2 parts of graphene oxide; 0.3 to 0.6 part of ethylene diamine tetraacetic acid; 2-5 parts of glycerol; 0.4 to 1 part of stearoyl chloride; 2-4 parts of nano iron oxide; the preparation method comprises the following steps: pretreating the raw materials, mixing the pretreated raw materials into slurry, carrying out crosslinking and ultrasonic dispersion, standing to obtain a basic mixture, injecting the basic mixture into a mold, carrying out freeze drying to form a photocatalytic layer, carrying out centrifugal dewatering, carrying out chelation reaction, spraying a composite solution, and carrying out vacuum drying to obtain the photocatalytic material. The obtained composite material has the advantages of efficient adsorption capacity, good mechanical properties, environmental friendliness, degradability and low preparation cost.

The invention discloses a preparation method for treating bagasse to obtain hard carbon, application of the hard carbon and a sodium-ion battery negative electrode, and relates to the field of sodium-ion batteries. The preparation method of the bagasse-based hard carbon comprises the following steps: crosslinking lignin and cellulose in the bagasse-based hard carbon by using an acid solution, and partially stripping ash of biomass. And stripping hemicellulose of the bagasse by using a weak base solution to expose cellulose. By regulating and controlling the concentration, the treatment time and the treatment temperature of the alkali solution, reasonable lignin is reserved in the cellulose, so that regulation and control of a plain pore structure in the carbonization process are promoted. After the alkali solution treatment, a hydrochloric acid solution is used for cleaning the solid, and freeze drying is carried out, so that a proper pore structure is reserved. And then carrying out high-temperature heat treatment in a protective atmosphere, wherein the heat treatment is carried out in three stages. The reaction process is a cellulose deoxidation process, the treatment temperature is 300-400 DEG C, and primary carbonization of cellulose is realized; secondly, carbonizing, namely further deoxidizing after primary carbonization, wherein a large number of C = C / C-C bonds are formed at the treatment temperature of 800-1000 DEG C; and finally, forming a hard carbon graphite layer, wherein the treatment temperature is 1300-1500 DEG C. The bagasse-based hard carbon prepared by the preparation method can be efficiently and stably circulated in a sodium ion battery, and shows excellent rate capability.

The invention discloses a multi-stage micro-nano structure flexible wearable pressure sensor inspired by skin, and a preparation method and application of the multi-stage micro-nano structure flexible wearable pressure sensor. The sensor is composed of a piezoresistive layer, an electrode layer and a packaging layer. The piezoresistive layer takes polydimethylsiloxane (PDMS) as a flexible substrate, a submillimeter-level cylindrical array main structure and a micron-level skin-like spinous secondary microstructure randomly distributed at the top end of the submillimeter-level cylindrical array main structure are constructed through a composite mold, and a nano-level conductive network is formed by adopting an MXene / MWCNT hybrid material through a dispensing process, so that multi-scale stress synergistic response is realized; the electrode layer takes a degradable lignocellulose biological plastic film prepared from bagasse as a base material, and a silver paste interdigital electrode is loaded through a screen printing process; the packaging layer is fully coated with a medical-grade polyurethane (PU) film so as to ensure signal stability. The sensor shows ultrahigh sensitivity, wide detection range and low detection limit through the synergistic effect of the submillimeter-micron-nano multilevel structure, and can be applied to the fields of human motion monitoring, intelligent electronic skin and the like.

The invention discloses sugarcane syrup suitable for lyocell fiber production and a preparation method and system of the sugarcane syrup, and belongs to the technical field of lyocell fiber production. According to the present invention, the sugarcane pulp for lyocell fiber production is prepared sequentially through the first high-concentration alkali treatment, the second low-concentration alkali treatment, the bleaching, the acid washing and the drying, and the processes are matched for use, such that the conditions are milder compared with the traditional pulping and papermaking cooking process and the oxygen delignification, the equipment requirement is low, the production energy consumption is low, and the operation is safe; according to the present invention, the raw material does not need to be crushed, the index of the finally prepared raw material can meet the Lyocell production requirement, the operation process is simple, the industrial application prospect is provided, the production system matched with the method is provided, and the industrial and continuous production of the sugarcane syrup suitable for Lyocell fiber production is achieved.

Systems and methods for providing compostable food containers, which preserve the quality of a food product for an extended duration of time, and which optionally, allow for cooking of the food product therein. In some implementations, the food containers are sturdy, stackable, insulating, and require minimal or no manual labor to assemble. In some implementations, the food container includes a base and a cover, which cooperate to form a closed chamber for supporting, protecting, insulating and optionally cooking a food product, such as a pizza. The base and cover may each be formed of a single layer of material including, but not limited to, molded sugarcane fiber (“bagasse”), molded wood fiber, molded bamboo fiber, molded paper or plastic.

The invention discloses Aspergillus sp. DLF18 and application thereof, and relates to the technical field of microorganisms, and the preservation number of the Aspergillus sp. DLF18 is CGMCC (China General Microbiological Culture Collection Center) NO.41737. The strain can effectively utilize rice straws and / or bagasse to produce humic acid, and the content of humic acid in each gram of fermentation supernatant after the rice straws are fermented is 16.5%. When the DLF18 fermentation product is applied to crops, the growth condition of the crops can be remarkably improved, and the humus content in soil is increased. Meanwhile, a metagenomics analysis result shows that compared with a control group, after the DLF18 is applied into the soil, the species beta diversity is remarkably changed, and the functional gene abundance and the inter-group difference are remarkably changed. Therefore, the DLF18 has a wide application prospect in the aspects of agricultural straw utilization and soil remediation.

The invention belongs to the technical field of geotechnical engineering, and particularly relates to an improvement method for improving the strength of red clay by using bagasse biochar. The preparation method comprises the following steps: performing heat treatment on bagasse in an oxygen-limited environment to prepare bagasse biochar; adjusting the water content of the red clay to 13-18%, then adding the bagasse biochar, and uniformly mixing to obtain the improved red clay. The geotechnical engineering material prepared from the improved red clay is used in geotechnical engineering construction processes of red clay roadbeds, retaining walls and the like. The bagasse biochar is added into the red clay, so that the strength of the red clay can be remarkably improved, the construction requirements are met, and the red clay is good in chemical stability, good in improvement durability and easy for mechanical construction.

The invention relates to the technical field of kitchen waste treatment, in particular to a solid fungicide, a preparation method and application. The solid microbial inoculum comprises a microbial inoculum and a carrier; the microbial agent is prepared from pseudoochrobactrum saccharum, alcaligenes faecalis, achromobacter xylosoxidans, paenibacillus amyloliquefaciens, bacillus cereus, sphingobium nicotianae, serratia marcescens, stenotrophomonas maltophilia, sphingobium humus, sphingobium aquaticum and bacillus subtilis; the carrier for carrying the liquid compound bacteria is bagasse, and the maximum number of released bacteria is 2.2 * 10 < 9 > CFU / g. When the solid microbial inoculum is added into a 18 L kitchen waste reactor, the waste decrement rate is 80% within 7 days, and the COD removal rate can reach 79.1% at most. According to the solid microbial agent disclosed by the invention, organic substances in the kitchen waste can be degraded while the kitchen waste is converted from a solid state to a liquid state, so that volume reduction and weight reduction of the kitchen waste are realized; and the solid microbial inoculum is convenient to transport and operate and low in cost, has positive significance on difficulties faced by kitchen waste treatment, and has a good application prospect.

The invention discloses a sludge, bagasse and calcium oxide co-pyrolysis biochar as a soil additive, and a preparation method and application thereof, and belongs to the technical field of environmental restoration. Sludge biochar synergistically modified by bagasse and calcium oxide is used as a soil additive, calcium oxide is introduced for catalytic co-pyrolysis through the synergistic effect of bagasse and calcium oxide, and sludge-bagasse-calcium oxide biochar is prepared; the optimization effect of the sludge-bagasse-calcium oxide biochar in heavy metal contaminated soil remediation is evaluated through heavy metal occurrence form analysis, ecological risk assessment and soil remediation effect experiments. According to the sludge-bagasse-calcium oxide biochar prepared by the method, the fixing capacity of the biochar on heavy metals and the fixing efficiency of the heavy metals in soil are improved, and the physicochemical properties and fertility characteristics of the heavy metal contaminated soil are improved; the characteristics of the sludge-bagasse-calcium oxide biochar for well fixing heavy metals and improving soil properties are exerted, the ecological risk is reduced, the physicochemical properties and fertility characteristics of the soil are improved, and the application of a heavy metal contaminated soil remediation process is optimized.

The invention discloses Penicillium chrysogenum DLS189 and application thereof, and relates to the technical field of microorganisms, and the preservation number of the Penicillium chrysogenum DLS189 is CGMCC (China General Microbiological Culture Collection Center) NO.41739. The invention further discloses a preparation method of the Penicillium chrysogenum DLS189. The strain can effectively utilize rice straws and / or bagasse to produce humic acid, and the content of humic acid in each gram of fermentation supernatant after the rice straws are fermented is 16.84%. When the DLS189 fermentation product is applied to crops, the growth condition of the crops can be remarkably improved, and the humus content in soil is increased. Meanwhile, a metagenomics analysis result shows that compared with a control group, after the DLS189 is applied into the soil, the species beta diversity is remarkably changed, and the functional gene abundance and the inter-group difference are remarkably changed. Therefore, the DLS189 has a wide application prospect in the aspects of agricultural straw utilization and soil remediation.

The invention discloses a compound microbial organic fertilizer and a preparation method thereof, and belongs to the technical field of compound microbial organic fertilizers. The compound microbial organic fertilizer is prepared from the following raw materials in parts by weight: 8-12 parts of a microbial agent, 30-35 parts of livestock and poultry manure, 20-25 parts of crop straws, 10-15 parts of humic acid, 10-12 parts of bagasse carbon, 3-5 parts of rumen bypass fat powder, 3-5 parts of molasses and 1-3 parts of chitosan oligosaccharide. According to the compound microbial organic fertilizer, the nitrogen-fixing pseudomonas, the streptomyces elongisporus and the paenibacillus polymyxa are selected to be compounded, and the three strains comprehensively promote root development, nutrient absorption and stress resistance of strawberry plants through the synergistic effect of nitrogen fixation, nutrient activation, hormone secretion and disease inhibition. The compound microbial organic fertilizer can effectively promote growth of strawberry plants, improve the quality of strawberries, increase the yield, reduce chemical fertilizer and pesticide residues, reduce the risk of soil pollution and meet the requirements of consumers for safe and organic strawberries.

Systems and methods for providing compostable food containers, which preserve the quality of a food product for an extended duration of time, and which optionally, allow for cooking of the food product therein. In some implementations, the food containers are sturdy, stackable, insulating, and require minimal or no manual labor to assemble. In some implementations, the food container includes a base and a cover, which cooperate to form a closed chamber for supporting, protecting, insulating and optionally cooking a food product, such as a pizza. The base and cover may each be formed of a single layer of material including, but not limited to, molded sugarcane fiber (“bagasse”), molded wood fiber, molded bamboo fiber, molded paper or plastic.

The invention relates to the technical field of biology, in particular to a method and application of fungus-enzyme synergistic fermentation of bagasse pith, and the method comprises the following steps: (1) adjusting the water content of the bagasse pith to 60-70%, and adjusting the pH to 4.0; (2) adding the following components according to dry matter mass: 3% of phanerochaete chrysosporium liquid with the concentration of 1.5 * 10 < 8 > CFU / ml, and uniformly mixing; 1% of sucrose; the cellulase liquid is 20000U / kg, and the cellulase liquid is prepared by dissolving crude enzyme obtained by centrifuging after trichoderma hedgehog is fermented to produce enzyme in a PBS (phosphate buffer solution); and (3) putting the mixture into a fermentation tank, and performing sealed low-oxygen fermentation for 30 days to obtain the bagasse pith feed. According to the bagasse pith feed obtained by the method, the nutritional value of the bagasse pith can be improved, the fermentation quality is improved, the digestion potential is improved, the storage time is prolonged, and high-quality feed application of the bagasse is realized.

The invention discloses a Guangxi strigose hydrangea juvenile tea gall mite comprehensive control method based on ecological regulation and control, and belongs to the technical field of ecological planting of strigose hydrangea juvenile tea. The method comprises the steps that lemongrass is planted on the periphery to form a smell barrier, purple perilla is arranged in the middle, Guangxi strigose hydrangea juvenile tea and sugar oranges are planted at intervals in a core area, and a composite rhombic layout is formed; chinaroot greenbrier is planted in the interplanting zone at intervals to serve as gall mite trapping plants, and matrine or azadirachtin botanical pesticide is sprayed to the chinaroot greenbrier regularly; a composite substrate containing 60-65% of loess, 20-25% of bagasse biochar, 10-12% of vermiculite and 3-5% of sodium alginate-attapulgite clay composite water-retention slow-release particles is adopted to form a water-retention breathable layer with a slow-release function; and spreading wormwood seeds around the host plants to inhibit survival of overwintering adults of the gall mites. The method has good ecological benefits and insect pest prevention and control efficiency, effectively improves the soil microenvironment and is suitable for sweet tea planting in subtropical hilly areas such as Guangxi.

The invention provides a biological organic fertilizer and a preparation method thereof. The biological organic fertilizer is prepared from the following raw materials in parts by weight: 10 to 15 parts of rice husk, 8 to 12 parts of peanut shell, 10 to 15 parts of bagasse, 15 to 20 parts of straw, 20 to 25 parts of livestock manure, 5 to 10 parts of pond sludge, 3 to 5 parts of plant ash, 5 to 10 parts of oil meal, 5 to 10 parts of ammonium phosphate, 2 to 5 parts of low-temperature complex microbial inoculants, 3 to 6 parts of seaweed oligosaccharide, 5 to 10 parts of modified vermiculite powder and 10 to 20 parts of photothermal conversion microspheres. According to the invention, waste is taken as a basic raw material and is matched with ammonium phosphate to rapidly supplement available nutrients, and meanwhile, the low-temperature complex microbial inoculant, the modified vermiculite powder and the photothermal conversion microspheres are introduced to form a synergistic interaction system. Vermiculite powder is modified, so that the nutrient adsorption and slow release capability is improved, a carbon source and low-temperature protection are provided for microorganisms, and the cell membrane stability is enhanced. The photothermal conversion microspheres efficiently absorb sunlight and convert the sunlight into heat energy, a local and mild heat island effect is formed around the fungicide, the microenvironment temperature is increased, breeding of the fungicide is remarkably accelerated, and therefore organic matter decomposition and nitrogen conversion are accelerated.

The invention discloses a bagasse filter mud composting method based on synergistic interaction of sargassum fusiforme and a complex microbial inoculant. The method comprises the following steps: mixing a sugar manufacturing byproduct bagasse and filter mud according to a certain dry weight ratio, and adjusting the moisture and carbon nitrogen ratio; synchronously adding sargassum fusiforme powder and a compound microbial agent, wherein the microbial agent is prepared by compounding bacillus licheniformis and phanerochaete chrysosporium; the high-temperature period is maintained for not less than 7 days, the total fermentation period is about 45 days, and the matured compost and the fertilizer thereof are prepared. The sargassum fusiforme is used as a natural conditioner, so that the composition of nutrient substances can be optimized, nitrogen and water are preserved, and heavy metals are passivated; and the lignocellulose is specifically degraded by the complex microbial inoculants. Through the synergistic effect of the bagasse and the filter mud, the high-temperature period of the compost is remarkably prolonged, the nutrient loss is reduced, the decomposition degree and the environmental safety of a compost product are improved, and an efficient and environment-friendly new way is provided for high-value resource utilization of the bagasse and the filter mud.

The invention relates to the technical field of adsorption materials, in particular to a preparation method and application of iron-crosslinked sodium alginate modified bagasse biochar, which comprises the following steps: respectively pretreating red mud and bagasse, and then mixing the pretreated product with melamine to obtain a mixed material; the mixed material is placed in a protective atmosphere for pyrolysis treatment, and modified bagasse biochar is obtained; mixing the modified bagasse charcoal with a sodium alginate solution, performing ultrasonic treatment, heating and stirring to obtain a blended solution; the preparation method comprises the following steps: mixing bagasse and sodium alginate in a mixed solution, dropwise adding the mixed solution into a ferric chloride solution for standing and cross-linking, and carrying out washing treatment, freeze drying and grinding to obtain sodium alginate modified bagasse biochar, the method adopts bagasse as a biochar raw material, and introduces a magnetic material, a nitrogen-containing substance and sodium alginate to modify the biochar function; the surface active sites of the prepared material are increased, the adsorption capacity on tetracycline hydrochloride is improved, and the resource high-value utilization of the red mud and bagasse solid waste is realized.

The invention provides a cattle fermentation bed composite padding based on bacterium-enzyme synergistic effect and a preparation method thereof, and relates to the technical field of livestock and poultry breeding, the cattle fermentation bed composite padding comprises a rice hull layer located at the top, a slow release layer located in the middle and a fermentation layer located at the bottom, the rice hull layer comprises hydrophobic modified rice hulls, the slow release layer comprises PLA melt-blown cloth, and the fermentation layer comprises PLA melt-blown cloth. The PLA melt-blown cloth is compounded with microspheres through hot pressing, and the fermentation layer comprises the following components in parts by mass: 0.5-2 parts of aspergillus niger spores, 8-15 parts of bran and 90-110 parts of bagasse. The method has the beneficial effects that turning-free, self-oxygen-adjusting and long-acting fermentation can be realized, and efficient fermentation and long-term stable operation are realized by adopting a three-layer sandwich structure and combining hydrophobic modification, gas slow release and bacterium-enzyme synergistic degradation technologies.

A fuel pellet is disclosed. The fuel pellet comprises a plant fiber and a lignin modifying enzyme exogenous to the plant fiber. In some embodiments, the plant fiber is a Tracheophytes plant fiber. In some embodiments, the plant fiber is a monocot plant fiber. In some embodiments, the plant fiber is a Poaceae plant fiber. In some embodiments, the plant fiber is a Saccharum plant fiber. In some embodiments, the plant fiber is sugarcane bagasse plant fiber. In some embodiments, the pellet does not contain a binding agent. In embodiments without a binding agent, the fuel pellet is held together by lignin, which is present in the plant fiber and modified to hold the plant fibers together. In some embodiments, the lignin modifying enzyme is a lignase. In some other embodiments the lignin modifying enzyme is a laccase. The disclosure further provides a method of making a fuel pellet.

The invention belongs to the technical field of sewage treatment, and particularly relates to a composite carbon source additive and a preparation method thereof. The composite carbon source additive comprises the following components in parts by weight: 30-40 parts of bagasse, 8-12 parts of a polyvinyl alcohol derivative, 2-4 parts of a functional filler, 5-8 parts of potassium citrate and 5-8 parts of sodium pyruvate, the preparation process of the polyvinyl alcohol derivative comprises the following steps: adding polyvinyl alcohol, 1, 3, 5-benzene trisulfonic acid, triethylamine and 4-dimethylaminopyridine into dichloromethane to react, filtering, washing and drying; the polyvinyl alcohol derivative is obtained. The composite carbon source additive can be slowly released in the denitrification process and continuously and stably provide a carbon source, the denitrification process is promoted, and the denitrification efficiency is improved.

The invention relates to the technical field of microorganisms, in particular to bacillus licheniformis JSF-9 and a complex microbial inoculant and application thereof.The strain JSF-9 is obtained by being separated from healthy cattle rectum contents by a research group, and it is detected that the strain has the good beta-1, 4-glucanase producing capacity, and the beta-1, 4-glucanase producing capacity is high. The antibacterial effect on staphylococcus aureus, salmonella typhimurium and shigella flexneri is achieved; the strain has a good bagasse fermentation capability, for example, after the strain, bacillus altitudinis MLF-1 and bacillus safensis MLL-5 are prepared into a mixed microbial inoculum, the bagasse fermentation capability is better, and verification shows that the complex microbial inoculum can effectively inhibit the reproduction of harmful bacteria, so that the preservation period of fermented feed is prolonged, and the yield of the fermented feed is improved. Animal feeding experiments find that the nutritional value and the disease resistance of the complex microbial inoculant fermented bagasse are remarkably improved, 10-15% of the complex microbial inoculant fermented bagasse is added into basic ration, and the cost-reducing and effect-increasing effects are achieved for feeding Jersey cattle.

A compostable, high-temperature-resistant liner for use in cooking applications, comprising a plant-based fiber matrix incorporating one or more food-safe, heat-resistant components.The material may include, but is not limited to, sugarcane bagasse, bamboo, hemp, or similar natural fibers, and may further include heat-resistant additives such as plant-derived waxes, mineral substances including kaolin clay, or comparable compounds.The liner is suitable for use at temperatures exceeding 500° F. and may be provided as a flat sheet or as a molded insert with raised edges to fit standard broiler or oven trays.

The invention discloses an agricultural soil improvement agent and a preparation method of the agricultural soil improvement agent, and belongs to the technical field of soil improvement agents. Comprising the following raw materials: 30-40 parts of soybean meal, 20-25 parts of bagasse, 15-20 parts of rice hull ash, 5-15 parts of brewer's grains, 6-12 parts of tea residues, 5-15 parts of lotus root starch, 8-10 parts of a compound microbial agent, 2-5 parts of trehalose, 15-25 parts of bentonite, 6-8 parts of turmeric powder and 5-10 parts of an inorganic chelating agent, and the compound microbial agent comprises bacillus, xylose oxidation alcaligenes denitrifying subspecies and alcaligenes faecalis. According to the invention, wastes in multiple industries are used as raw materials, the cost is reduced, neutralization of acidity is synchronously realized through biological and chemical dual effects, accumulation of nitrate and organic acids in soil is reduced through cooperation of different strains, and the synergistic effects of rapid improvement and long-acting maintenance of soil acidity and alkalinity are achieved through a dual bacteriostatic system of curcuma powder bacteriostasis and microbial bacteriostasis.

The invention relates to the technical field of agricultural fertilizers, in particular to a slow / controlled-release fertilizer for saline-alkali soil and a preparation method of the slow / controlled-release fertilizer. The slow / controlled-release fertilizer sequentially comprises a core layer, an inner coating, a shell layer and an outer coating from inside to outside, the core layer comprises a functional aid, diammonium hydrogen phosphate, urea, isobutylidene diurea, potassium nitrate and biochar; a shell layer contains bagasse, a compound strain and fulvic acid; the coating material is an adhesive containing montmorillonite powder; the functional additive is loaded with an organic acid and polymethacrylamide network through modified diatomite, so that the synergistic effect of sodium ion adsorption, acid-base regulation and nutrient slow release is realized; through the multi-layer structure design and the component synergistic effect, it is guaranteed that the slow and controlled release fertilizer can improve the saline-alkali soil structure in a long-acting mode, accurately regulate nutrient release and improve the stress resistance of crops, and the slow and controlled release fertilizer is suitable for efficient utilization of saline-alkali soil.

The invention discloses a preparation method of a high-performance bagasse hard carbon negative electrode material. According to the invention, bagasse is taken as a raw material, constant-temperature pickling treatment is carried out, carbonization conditions are accurately controlled, an oil bath auxiliary activator is adopted to activate the carbon material, carbon layer spacing is specifically enlarged, closed pores are constructed, and the structure and electrochemical performance of the hard carbon material are significantly improved. The solid activating agent is decomposed under the oil bath condition to generate a gas-phase oxidizing agent, hard carbon is mildly and uniformly etched and modified from the interior of particles, pores are created, meanwhile, a graphite microcrystalline structure beneficial to sodium storage is better reserved and optimized, and the first effect, the reversible specific capacity, the cycling stability and the platform capacity ratio of the hard carbon negative electrode material are improved.

The present invention relates to a method for preparing lyocell fibers by using bagasse as a raw material. The method comprises the following steps: step A, crushing bagasse to 40-80 mesh, so as to obtain bagasse powder; step B, feeding the bagasse powder obtained in step A into a first solution, and reacting same, so as to obtain pretreated bagasse powder after the reaction is finished; step C, feeding the pretreated bagasse powder obtained by the treatment in step B into a second solution, and reacting same, so as to obtain bagasse cellulose after the reaction is finished, wherein the second solution comprises 15-17.5 mol / L of glacial acetic acid, 10-15 g / L of sodium hypochlorite and the balance of water; step D, feeding the bagasse cellulose obtained by the treatment in step C into an aqueous solution of NMMO with a mass fraction of 85-88%, and stirring same in a reaction kettle at 90-110°C under vacuum conditions for 3-5 h to dissolve same, so as to obtain a transparent spinning solution, wherein the mass fraction of the bagasse cellulose in the solution is 6-10%; and step E, feeding the spinning solution obtained in step D into a spinning system for spinning. The process of the present invention is simpler and more environmentally friendly, and can reduce costs.

The invention relates to the technical field of bio-based degradable high polymer materials, in particular to a bio-based degradable pearl wool microcellular foaming material. The composite material is prepared from the following components in parts by mass: 70-85 parts of a bio-based polyester resin composite system of polylactic acid and poly (terephthalic acid)-butylene adipate (in a mass ratio of 60: 40-75: 25), 10-20 parts of bagasse microfibers modified by a silane coupling agent, 1.5-4 parts of a composite nucleating agent of flaky talcum powder and spherical nano calcium carbonate (in a mass ratio of 1.5: 1-2.5: 1), the bio-based plasticizer is prepared by compounding epoxidized soybean oil and tributyl citrate, the montmorillonite degradation accelerant is loaded with iron and cobalt ions (the molar ratio is 3: 1-5: 1), and the mixed foaming agent is prepared from 5-12 parts of supercritical carbon dioxide and nitrogen (the volume ratio is 60%-85%). A bio-based polyester composite system of polylactic acid and PBAT is adopted, silane modified bagasse microfibers are matched, montmorillonite loaded with iron and cobalt ions serves as a degradation accelerant, a bio-based plasticizer and the like are combined, and the composite material is prepared through a twin-screw extrusion melt blending and supercritical fluid foaming technology.

A method of manufacturing sugar cane polyvinyl alcohol wherein sugar cane bagasse is processed into polyvinyl alcohol. Processing raw materials including sugar cane bagasse and deionized water. Enzymatically hydrolyzing and using saccharification on the sugar cane bagasse to obtain sugar cane bagasse enzymatic hydrolysate. Fermenting the sugar cane bagasse solution. Distilling the fermented sugar cane bagasse solution to obtain ethanol solution and lignin solution. Transferring the distilled solutions to an ethylene plant area to obtain a polymer grade ethylene product. Transferring the polymer grade ethylene product to an acetic acid evaporator to generate vinyl acetate. Introducing the vinyl acetate into an autoclave with methanol solution wherein said solutions undergo a reflux reaction process. Ethyl acetate is then dissolved in methanol to prepare a polyvinyl acetate solution which undergoes alcoholysis wherein the product is then washed and deionized, yielding polyvinyl alcohol.

The invention discloses bagasse-based hard carbon based on fiber reconstruction as well as a preparation method and application thereof. The preparation method comprises the following steps: (1) washing, drying and crushing bagasse to prepare bagasse powder; (2) putting the obtained bagasse powder and an alkaline substance into a water medium, reacting under heating and stirring conditions, and filtering to obtain depolymerized slurry; (3) forming the obtained depolymerized slurry into a flaky precursor and drying the flaky precursor; (4) performing high-temperature carbonization treatment on the dried flaky precursor in an inert atmosphere, and cooling to room temperature after the reaction is finished to obtain bagasse-based hard carbon; through a three-step strategy of crushing, softening and recombination, reconstruction of an original bagasse fiber structure is realized, the microstructure of bagasse derived hard carbon can be effectively regulated and controlled, sodium storage sites are further increased, sodium ion migration obstruction is reduced, and the performance of the bagasse derived hard carbon negative electrode material is greatly improved.