15results about How to "Good renewability" patented technology

The invention provides a modified biochar and ferromanganese double-metal hydroxide composite material and a preparation method thereof, and relates to the technical field of adsorption materials.The preparation method comprises the steps that straw is subjected to pyrolysis treatment, and biochar is obtained; and then loading the ferromanganese bimetal hydroxide on the surface of the biochar by using a chemical method. The preparation process comprises a plurality of steps of mixing, stirring, precipitating, washing, drying and the like, so that the ferromanganese double-metal hydroxide can be uniformly and firmly attached to the biochar; according to the scheme, the adsorption performance of the biochar (BC) and the catalytic performance of the ferromanganese bimetal hydroxide (MnFe-LDH) are combined, and the high removal efficiency on heavy metal ions and organic pollutants is achieved. In addition, the composite material also has good stability and renewability, and is beneficial to reducing the wastewater treatment cost and improving the treatment efficiency.

The invention belongs to the technical field of catalysts and application thereof, and relates to an indium oxide catalyst for carbon dioxide conversion and a preparation method and application thereof.The preparation method comprises the following steps that S1, an indium oxide precursor is prepared, specifically, indium nitrate serves as a raw material, and the indium oxide precursor is prepared through a precipitation method; and S2, catalyst preparation: placing the obtained indium oxide precursor in a dielectric barrier discharge system, and treating at the power of 50-60W for 15-20 minutes to obtain the indium oxide catalyst. The indium oxide catalyst is prepared through a dielectric barrier discharge technology, has very high catalytic activity, and can improve the conversion rate of carbon dioxide in the process of converting carbon dioxide into carbon monoxide.

The invention discloses a preparation method of rosin-based polyamine, a product and application thereof, and belongs to the technical field of bio-based adhesives, the preparation method comprises the following steps: using toluene as a solvent, using thionyl chloride to carry out acylating chlorination on disproportionated rosin, after the reaction is finished, carrying out rotary evaporation to remove toluene, then reacting with methanol, and carrying out methyl esterification on the disproportionated rosin to obtain methyl esterified rosin; reacting the obtained methyl esterified rosin with acid to obtain nitrated rosin methyl ester; carrying out reduction reaction on the obtained nitrated rosin methyl ester and iron powder to obtain rosin-based polyamine; wherein the acid comprises one or more of nitric acid and sulfuric acid. The prepared rosin-based polyamine is synthesized into rosin-based isocyanate through a phosgenation method, and the rosin-based isocyanate is glued to prepare a shaving board, a fiberboard and a plywood with the thickness of 18 mm; the test method refers to GB / T17657-2013, and each performance of the artificial board meets the requirements of the national standard (P2 type in GB / T 4897-2015) (MDF-FN type in GB / T 18259-2018) (class II board in GB / T 18259-2009).

The invention discloses a gutta-percha modified second-order reaction epoxy adhesive and a preparation method thereof, the epoxy adhesive is composed of a component A and a component B. The component A comprises epoxidized gutta-percha, liquid epoxy resin, a reactive diluent, an auxiliary agent and the like, and the component B comprises a cardanol modified phenolic aldehyde amine curing agent, a modified polyamide curing agent, vegetable oleic acid, an auxiliary agent and the like. The gutta-percha modified second-order reaction epoxy adhesive disclosed by the invention has the characteristics of second-order reaction characteristic, high flexibility, high bonding strength, greenness, environment friendliness, reproducibility and the like, and is suitable for waterproof bonding between steel and concrete base planes of roads, bridges and the like and asphalt pavement layers.

The invention provides a two-dimensional ultrathin porous carbon nanosheet, a preparation method thereof and a supercapacitor. The method comprises the following steps: (1) mixing Zn (NO3) 2.6 H2O or a mixture of Co (NO3) 2.6 H2O and Zn (NO3) 2.6 H2O with 2-methylimidazole for reaction to obtain a precursor; and (2) the precursor and fused salt are mixed and then annealed under inert atmosphere protection, the two-dimensional ultrathin porous carbon nanosheet is obtained, the fused salt comprises first fused salt and second fused salt, the first fused salt comprises at least one of KCl and KNO3, and the second fused salt comprises at least one of LiCl, NaCl, ZnCl2 and LiNO3. The two-dimensional ultrathin porous carbon nanosheet prepared by the method has relatively high specific surface area and capacitance, relatively good cycling stability and electrochemical stability, and can maintain long-time stable capacitance performance.

The invention discloses a completely biodegradable plastic film prepared by using blue light and oxygen to catalytically bleach modified straws. The completely biodegradable plastic film comprises a biodegradable polymer, straws, a surface modifier, a plasticizing modifier, an oxidation catalyst, oxygen and acetonitrile. According to the method, the oxidation catalyst and the oxygen are adopted to bleach the straw in acetonitrile through blue light irradiation, then the surface modifier is adopted for modification, the method is carried out under the neutral or weak acid condition, compared with other bleaching processes, the method is milder, in the bleaching process, damage to the structure of cellulose is small, and the strength of fibers can be kept. The straw powder subjected to catalytic bleaching modification is added into the completely biodegradable plastic film, so that not only is the cost problem of the completely biodegradable plastic film solved, but also the physical properties of the completely biodegradable plastic film are improved, and the elongation at break is greatly improved on the premise of keeping relatively high tensile strength.

The invention discloses an anti-corrosion and high-weather-resistant alloy resin tile and a preparation process thereof. The preparation process comprises the following steps: S1, preparing a basic composite material; s2, adding vanadium oxide and zinc oxide composite nanoparticles prepared by a sol-gel method into the basic composite material; s3, introducing a dynamic cross-linked fluorosilicon-based polymer, and preparing a surface layer functional material through a dynamic cross-linking technology; s4, forming a multi-layer structure base material; s5, preparing a multi-layer co-extrusion tile material; s6, the interlayer binding force of the multi-layer co-extrusion tile material is enhanced through the ultrasonic activation bonding technology; s7, depositing a fluorinated graphene nano film by using a plasma enhanced chemical vapor deposition technology; and S8, crack detection and aging state real-time sensing are completed by combining the conductive polythiophene composite layer embedded in the bottom layer with an intelligent monitoring module. The preparation of the corrosion-resistant and high-weather-resistant alloy resin tile is realized by utilizing a bio-based material, multi-layer co-extrusion and an intelligent monitoring technology.

The invention relates to the technical field of cloud computing based on containers, and discloses an implementation method and system of a renewable container, a medium and equipment, and the method comprises the steps: responding to a container destruction command, and stopping the container; the container layer is copied and stored as a copy, so that the content of the copy of the container layer covers the content of the container layer of the new container; or the container layer is packaged and sent, so that the container layer data is copied to the container layer of the new container; and destroying the container. According to the method, the reproducibility of the stateful container is realized, the continuity of the container state can be kept, and the reproducible container enables the container to be completely destroyed when a user does not use the container, so that the operation and storage resources of a host are not occupied any more.

The application belongs to the technical field of adsorptive desulfurizer, and particularly relates to a high-strength nanometer zinc oxide composite desulfurizer and a preparation method thereof. The composite desulfurizer contains the following raw materials in parts by weight: nanometer zinc oxide / activated carbon composite material 65-70 parts, filler 15-25 parts, and binder 40-50 parts. The desulfurizer prepared by the application has high mechanical strength, high sulfur capacity and high desulfurization efficiency.

The invention discloses a preparation method and an application of chitosan modified polymethacrylate. The preparation method comprises the following steps: mixing a methacrylic acid monomer, a cross-linking agent, an initiator and a pore-forming agent, and carrying out a heating reaction to obtain a polymethacrylate polymer; and mixing the polymethacrylate polymer, water, glacial acetic acid and chitosan, and heating to react to obtain the chitosan modified polymethacrylate composite material. The chitosan modified polymethacrylate composite material prepared by the preparation method can be used for adsorbing adriamycin in water. The method further optimizes the influence of adsorbent quality, adriamycin initial mass concentration, adsorption time and solution pH on the adsorption effect. On the basis that polymethacrylate has the characteristics of good biocompatibility, renewability and the like, and the adsorption effect of modified polymethacrylate on DOX is remarkably enhanced, so that DOX in wastewater is effectively removed, and the adsorption rate of DOX can reach 45% or above.

The invention provides a FeCo-N-C catalyst, a preparation method and application thereof, and a method for degrading antibiotics. The FeCo-N-C catalyst provided by the invention not only can efficiently activate PAA, but also has excellent regeneration performance and stability. Under the conditions that the temperature is 25 DEG C, the pH value is 7.0, the dosage of the catalyst is 0.5 g / L and the initial concentration of PAA is 100 mu M, the degradation rate of sulfamethoxazole within 90 minutes reaches 91.5%. Even if multiple anions and humic acid exist, the catalytic system can still keep efficient degradation capacity. And after the FeCo-N-C catalyst is recycled for four times, the degradation efficiency of the FeCo-N-C catalyst is kept at 70% or above. The invention provides a novel environment-friendly solution for efficiently treating refractory organic pollutants.

The invention relates to a nickel alloy catalyst and a preparation method of cyclohexylamine. The nickel alloy catalyst comprises the following components in percentage by mass: 70%-85% of Ni, 5%-15% of Cu and 5%-15% of Al. The nickel alloy catalyst comprises the Ni, Cu and Al components in a specific ratio, the three components cooperate with one another, the catalytic activity of the catalyst is improved, the catalyst has good stability, the good catalytic activity can still be kept after multiple times of recycling, and therefore the catalyst has good renewability; when the catalyst is applied to a preparation process of cyclohexylamine, the selectivity of cyclohexylamine can be improved; the nickel alloy catalyst has good renewability, so that the replacement frequency of the nickel alloy catalyst can be reduced, and the production cost of cyclohexylamine can be reduced.

The present invention relates to the technical field of gasoline, particularly to a sustainable lead-free aviation gasoline fuel composition, which comprises the following components by volume: 5-20 parts of toluene; 10 to 25 parts of xylene; 5 to 10 parts of aniline; 20-55 parts of an alkane mixture; 5-15 parts of sustainable aviation fuel; and 2-5 parts of fuel ethanol. The method for preparing the sustainable lead-free aviation gasoline fuel composition comprises the following steps: firstly mixing a mixture of toluene, xylene and alkane and sustainable aviation fuel, then adding aniline and fuel ethanol, and stirring for 1 hour to complete mixing of the lead-free aviation gasoline fuel composition. The lead-free aviation gasoline fuel composition has the characteristics of high octane number, low sulfur content, low oxygen content and the like, and all the components are generated in a sustainable production mode, so that the burden of wastes on the environment is reduced, and the influence of carbon emission on the environment is reduced.

The invention discloses preparation of a lignin-based composite material and application of the lignin-based composite material in adsorption of heavy metal ions in wastewater and reduction catalytic degradation of lignocellulose. The preparation process of the material comprises the following steps: dispersing lignin in an aqueous solution, stirring, adding sodium dodecyl benzene sulfonate, polyethylene glycol and a sodium alginate solution into the solution, and fully mixing. Dropwise adding into mineral oil, fully stirring, adding a cross-linking agent, and fully mixing. And washing, drying and grinding to obtain the lignin-based adsorbent which is used for adsorbing heavy metal ions. In addition, the material adsorbing the heavy metal ions is calcined to prepare a catalyst which is used for reduction catalytic degradation of lignocellulose. The lignin-based composite material is prepared from industrial waste lignin and used for heavy metal ion adsorption, after heavy metal ions are adsorbed, the lignin-based composite material is prepared into a catalyst to be used for reduction catalytic degradation of lignocellulose, high-value utilization of the lignin-based composite material is achieved, and the lignin-based composite material has good application prospects.

This utility model relates to the field of building materials technology and provides a bamboo square material. The bamboo square material includes a square body, which comprises at least one layer of bamboo curtain, at least two layers of wood veneer, and an adhesive. The bamboo curtain has grooves on both sides; at least two layers of wood veneer are stacked with the bamboo curtain, with the outermost layer being wood veneer; the adhesive is placed between the bamboo curtain and the wood veneer to connect them. This utility model solves the problem of high cost of existing building timber as a supporting material in construction, and achieves a low-cost bamboo square material with different physical and mechanical properties.