585 results about "Organic component" patented technology

A process and system for upgrading an organic feedstock including providing an organic feedstock and water mixture, feeding the mixture into a high-rate, hydrothermal reactor, wherein the mixture is rapidly heated, subjected to heat, pressure, and turbulent flow, maintaining the heat and pressure of the mixture for a residence time of less than three minutes to cause the organic components of the mixture to undergo conversion reactions resulting in increased yields of distillate fuels, higher-quality kerosene and diesel fuels, and the formation of high octane naphtha compounds. Hydrocarbon products are cooled at a rate sufficient to inhibit additional reaction and recover of process heat, and depressurizing the hydrocarbon products, and separating the hydrocarbon products for further processing. The process and system can include devices to convert olefinic hydrocarbons into paraffinic hydrocarbons and convert olefinic byproduct gas to additional high-octane naphtha and / or heavier hydrocarbons by one of hydrogenation, alkylation, or oligomerization.

The invention discloses a method for preparing a supercapacitor electrode through high-temperature alkali activation. The method comprises the steps of preparing porous carbon, preparing an electrode plate, preparing a supercapacitor, and carrying out electrochemical performance testing and material characterization testing. When the carbon precursor of the supercapacitor electrode material is prepared, organic components in walnut shells can be refined and removed and biochar is left by utilizing the effect of removing organic matters in biomass at high temperature of a tubular furnace; the potassium hydroxide with different concentrations is used as the activating agent to activate the biochar, the porosity and the internal structure richness of the porous carbon can be greatly improved, and compared with traditional solid alkali activation, the aqueous solution alkali activation has the advantages that the reliability and the possibility are improved, and the contact area of the activating agent and substances is increased. The electrode material prepared by the method has the advantages of low manufacturing cost, small environmental pollution and excellent service life, and is an ideal electrode material.

The invention relates to the technical field of cables, in particular to a low-smoke halogen-free fireproof cable which comprises an outer sheath. The outer sheath is prepared from the following raw materials in parts by weight: 40 to 60 parts of low-density polyethylene, 20 to 30 parts of EVA resin, 10 to 20 parts of SEBS elastomer, 5 to 10 parts of POE-g-GMA, 5 to 10 parts of flame retardant, 15 to 30 parts of filler and 1 to 5 parts of additive; the flame retardant is composed of an organic component and a spinel type metal oxide; the organic components comprise a DOPO derivative and a nitrogen flame retardant, the prepared outer sheath granules have excellent mechanical properties and excellent fireproof and flame retardant properties, not only are high in flame retardant rating, but also are small in heat and smoke yield after combustion, and are excellent materials for preparing low-smoke halogen-free fireproof cables.

The invention discloses a preparation method and application of monolithic BiVO4 photocatalytic foamed ceramic. The method comprises the following steps: 1) preparing composite slurry containing BiVO4 powder, an organic additive and a reinforced phase; (2) uniformly attaching the composite slurry to the organic foam skeleton by adopting an impregnation method; 3) performing drying and heat treatment to remove organic components; and 4) performing high-temperature sintering to form the three-dimensional communicated porous structure. Through the structure-function integrated design, the problems that a traditional powder catalyst is difficult to recover, the activity of an immobilized catalyst is low and a supported catalyst is easy to fall off are solved. The obtained product is high in porosity, the compressive strength is larger than or equal to 0.1 MPa, the specific surface area is larger than or equal to 0.1 m < 2 > / g, visible light can be efficiently utilized for degrading emerging organic pollutants in water, and the degradation rate reaches 20-99%. The material has no nano-particle leakage risk, has excellent mechanical strength, chemical stability and engineering applicability, and provides a feasible scheme for large-scale application of a photocatalytic water treatment technology.

The invention discloses a high-valued graded utilization method of marine shells, and belongs to the technical field of comprehensive utilization of biological resources and preparation of functional materials. The method comprises the following steps: cleaning, air-drying and superfine grinding marine shell wastes such as abalone shells, and extracting water-soluble organic components in the marine shell wastes by adopting mild water extraction, so that the obtained extract is rich in protein, polysaccharide or small molecule peptide, has good biological activity, and can be used for preparing functional materials such as biomimetic mineralization, tissue repair and the like; extracted shell powder residues are subjected to heat treatment or chemical activation treatment and then compounded with natural polymer materials such as chitosan and sodium alginate, and the composite adsorbent which is loose in structure and large in specific surface area is prepared and can be used for removing dye, heavy metal, antibiotics and other water pollutants. According to the invention, separate utilization of organic components and inorganic framework materials in the marine shells is realized, and the method has the characteristics of environmental protection, efficient resource conversion and multifunctional application, and has a good industrial popularization prospect.

The invention relates to an electrochemical cleaning method for removing organic matters on the surface of a silicon carbide wafer, which comprises the following steps of: immersing the silicon carbide wafer with the polluted surface into electrolyte containing bivalent and / or trivalent ferric salt, applying voltage or current between a cathode material and an anode material, and carrying out electrochemical reaction to remove the organic matters on the surface of the silicon carbide wafer. The surface of the silicon carbide wafer is subjected to organic matter removal. According to the method, an electrochemical oxidation method technology is adopted, the strong oxidation effect of hydroxyl free radicals is utilized, organic residues on the surface of the silicon carbide wafer are oxidized and decomposed into short-chain organic matter, water, carbon dioxide and other products, and the purpose of removing the organic residues is achieved. The method provided by the invention is simple and efficient, can quickly remove organic pollutant residues on the surface of the silicon carbide wafer, does not use high-concentration chemicals and organic component cleaning agents which are difficult to degrade in the cleaning process, is safe and reliable to operate, reduces the consumption of the chemicals, avoids secondary pollution, and is more environment-friendly.

The invention discloses a high-performance aerogel plate and a preparation method thereof, and belongs to the field of thermal insulation materials. The high-performance aerogel plate comprises a plurality of periodic structure layers consisting of aerogel layers and hydrophobic layers, wherein the mass ratio of the total aerogel layer to the total hydrophobic layer is (80-120): (3-8); the aerogel layer is prepared from the following raw materials in parts by weight: 40 to 55 parts of silicon dioxide aerogel powder, 10 to 15 parts of aluminum oxide aerogel powder, 5 to 15 parts of chopped fiber, 10 to 15 parts of titanium dioxide and 10 to 20 parts of silicon carbide micro powder; the hydrophobic layer is made of a hydrophobic agent; the preparation method of the high-performance aerogel plate comprises the following steps: uniformly mixing the raw materials, and carrying out multi-layer stacking and pressing and low-temperature drying processes to prepare the high-performance aerogel plate. The aerogel plate prepared by the invention does not contain any component, and has the characteristics of no smoke and no combustion in case of fire, low powder falling rate, high strength, excellent heat insulation performance and the like.

The invention discloses an in-situ biomineralizable mineral-PHA water-based seed coating based on microphase separation and soil water potential response and a preparation method and application thereof, and belongs to the technical field of green coatings, the in-situ biomineralizable mineral-PHA water-based seed coating comprises a structural mineral skeleton, a PHA and resin composite matrix and a pore-forming disintegrating agent. According to the invention, a resin enrichment layer and island microphase structure is innovatively constructed, and the contradiction between poor wear resistance and difficult disintegration of a bio-based material is effectively solved. Compared with the prior art, the wear-resistant and dust-reducing coating has the advantages that the wear-resistant and dust-reducing performance far better than that of the traditional PHA coating is realized by utilizing an interface enhancement effect under the condition of equal or even lower polymer dosage; meanwhile, the coating is endowed with a sensitive soil water potential response'switch ', so that dry-state tough seed protection and wet-state rapid disintegration are ensured, and germination is not hindered. Organic components of the composition can be biodegraded in aerobic soil, inorganic components are natural minerals, the environmental compatibility is good, the composition has the advantages of high performance and low cost, and an excellent seed treatment scheme is provided for green agriculture.

The invention discloses an organic extraction device for preparing an organic framework material, and relates to the technical field of extraction devices. Comprising an extraction tank, the extraction tank is provided with an upper feeding port, a lower feeding port, an upper discharging port and a lower discharging port, and fixing rings distributed in a linear array mode are installed in the extraction tank; the fixed shell is rotationally connected to the extraction tank; the plurality of first telescopic shells and the plurality of second telescopic shells are embedded in the fixed shell; the first turntable is in limited sliding connection with the fixed shell; and the second turntable is connected to the fixed shell in a limiting and sliding manner. By detecting the concentration of an organic component in a stock solution, when the concentration of the organic component is increased, the distance between the first turntable and the second turntable and the fixed ring is reduced, so that the flow area of liquid in the extraction tank is reduced, a higher shearing force is generated when the solution flows, the dispersion degree of liquid drops of the solution is increased, and the extraction efficiency is improved. The mixing speed of the stock solution and the extractant is accelerated, and the mass transfer efficiency is improved.

The invention provides a soil remediation modifier, a soil remediation method and a soil maintenance method, and belongs to the technical field of soil remediation. The soil conditioner is prepared from the following raw materials in parts by weight: 40-50 parts of modified sludge, 10-15 parts of humic acid, 5-10 parts of a bioactive component, 10-15 parts of an inorganic component and 10-15 parts of an organic component. The soil remediation agent prepared by the invention not only can increase the total porosity of soil, improve soil water stability granules and soil structure, but also can improve soil fertility, improve soil pH value and passivate heavy metal ions, so that the prepared remediated soil can adapt to plant growth requirements, and meanwhile, the sludge and the traditional Chinese medicine residues are subjected to resource utilization, waste is turned into wealth, and the cost is reduced. Wide application prospects are realized.

The invention relates to a preparation method of a catalyst layer for growing a carbon nano tube on the surface of glass fiber, which comprises the following steps: preparing a chemical self-assembly precursor layer: dissolving bivalent nickel salt into deionized water to obtain a mixed solution, adding organic ammonium salt into the mixed solution, then adjusting the pH value to be alkalescent to obtain a self-assembly complexing solution, and carrying out chemical self-assembly on the self-assembly complexing solution to obtain the chemical self-assembly precursor layer; coating the self-assembly complexing solution on the surface of the glass fiber to obtain the glass fiber coated with a self-assembly precursor layer; hydrogen peroxide is added into the glass fiber coated with the self-assembly precursor layer, a Fenton reaction is generated, organic components in the chemical self-assembly precursor layer are removed, and the glass fiber with the surface coated with the catalyst layer is obtained. The method is simple in preparation process, short in technological process and suitable for low-cost continuous production; the prepared catalyst layer has high compatibility with various types of carbon nanotubes grown in situ, high-density growth of the carbon nanotubes is realized, and the adhesion strength is high.

The invention provides a conditioner for soil heavy metal pollution remediation and a preparation method thereof, and belongs to the technical field of soil conditioning. The conditioner for soil heavy metal pollution remediation provided by the invention is prepared from the following components in parts by mass: 12 to 25 parts of biochar, 5 to 7 parts of potassium feldspar, 1 to 5 parts of inorganic nano material and 40 to 70 parts of water, the fertilizer is prepared from 40-50 parts of humic acid, 15-25 parts of amino acid, 5-12 parts of citric acid, 4-8 parts of bagasse and 25-40 parts of vinasse. 0.5 to 1 part of aspergillus niger and 0.1 to 1 part of clostridium capsulatum. By utilizing the adsorption of inorganic components on heavy metal elements, the improvement of organic components on saline-alkali soil and the continuous remediation effect of microbial components on the soil, through the synergistic effect of the multiple components, the soil is treated at the same time from multiple aspects of soil fertilization, plant growth, soil loosening, salinity and alkalinity reduction and the like; the soil salinity and alkalinity are reduced, and heavy metals are adsorbed and absorbed.

The invention discloses a compatible molybdenum-aluminum mixed acid etching solution which comprises the following components in percentage by mass: 4%-7% of nitric acid, 55%-65% of phosphoric acid, 17%-28% of acetic acid, 0.5%-3% of an oxidizing additive, 0.05%-5% of a metal corrosion inhibitor and 10%-20% of deionized water, and the oxidizing additive is ceric nitrate and at least one selected from sodium nitrate, potassium nitrate and ammonium nitrate; the etching liquid does not contain other organic components except for organic carboxylic acid and organic carboxylate. According to the compatible molybdenum-aluminum mixed acid etching solution, on the basis that ceric nitrate is introduced, the content of nitric acid is reduced, the nitrate ion concentration is increased by adding nitrate, the overall oxidation performance of an etching solution system is improved, the etching rate ratio of different metals is adjusted, CD-Bias is reduced, the etching dip angles of a molybdenum single layer and a molybdenum-aluminum laminated layer are controlled to be kept at 20-50 degrees, and the problem of aluminum thorns is solved. The invention further discloses a molybdenum-aluminum etching method based on the compatible molybdenum-aluminum mixed acid etching solution.

The invention discloses a full bio-based PHA (polyhydroxyalkanoate) liquid bioplastic emulsion and a preparation method thereof. The emulsion takes polyhydroxyalkanoate (PHA) as a matrix, alkyl polyglycoside, fermented glycolipid and a bio-based nonionic surfactant are compounded with pullulan, alginate or micro-nano cellulose to serve as a stable system, and plasticizers such as acetyl tributyl citrate and citric acid, phytic acid or tannic acid are added to serve as compacting agents. The solid content of the emulsion is 35-58%, the volume average particle size D50 is 0.12-0.90 [mu] m, the absolute value of Zeta potential is not less than 30 mV, and the content of volatile organic compounds (VOC) is not higher than 50 g / L; fluorine-containing organic matters are not artificially added, and the total organic fluorine is less than or equal to 100ppm. The overall bio-based carbon content of all organic components in the formula is not lower than 95% according to mass weighting calculation. The invention also provides application of the emulsion in the fields of paper barrier coatings, heat-sealing adhesives and non-woven fabric finishing.

This thin film includes chalcogenide perovskite particles and an organic component that modifies the particles. A mean square roughness of the thin film surface is less than 1000 nm.

The present disclosure is directed to a method for forming calcined pozzolan that includes: performing a gravity separation on coal refuse to separate an organic component from an inorganic component including crystalline shale; and converting the crystalline shale to a calcined pozzolan. The present disclosure also directed to a calcined pozzolan, concrete, a method of producing concrete, and a method for cleaning a landfill site.

The invention belongs to the technical field of composite materials, and particularly relates to a preparation method of organic-inorganic sol-gel and application of the organic-inorganic sol-gel in fiber modification. The preparation method of the organic-inorganic sol-gel provided by the invention comprises the following steps: (1) carrying out hydrolysis reaction on tetraethoxysilane, and then adding a coupling agent to carry out condensation reaction, so as to obtain a siloxane (Si-O-Si) network; and (2) adding waterborne polyurethane into the siloxane (Si-O-Si) network obtained in the step (1), and carrying out a cross-linking reaction. The organic-inorganic sol-gel prepared by the preparation method disclosed by the invention realizes tight crosslinking of organic components and inorganic components, and a coating formed by using the organic-inorganic sol-gel not only has good flexibility and adhesive ability of the organic components, but also has high hardness of the inorganic components and good compatibility with a cement matrix.

The invention discloses a garden waste resource utilization system and method, and the system comprises an intelligent recognition module which is used for collecting the hyperspectral image data of garden waste on a conveying belt, and recognizing and distinguishing organic components and non-organic impurities in real time; the intelligent sorting and removing module is in communication connection with the intelligent identification module and is used for removing non-organic impurities from the conveying belt; the crushing and homogenizing module is used for crushing the sorted pure organic materials and adding adjusting materials to optimize the carbon nitrogen ratio and the water content of the materials; the intelligent aerobic fermentation module is used for monitoring parameters of fermentation materials; the intelligent control system is connected with the multi-parameter sensor group and is used for automatically adjusting the ventilation quantity, the turning frequency and the water supplementing quantity in real time according to the monitored parameters; and the fertilizer forming module is used for granulating and forming the decomposed fermentation material into the granular organic fertilizer. According to the invention, full-process automatic, recycling and harmless treatment from the garden waste to the high-value organic fertilizer is realized.

The invention belongs to the field of chemical industry purification processes, and particularly relates to a method for purifying a chemical industry byproduct hydrogen sulfide gas. The method comprises the following steps: pretreating hydrogen sulfide gas at 0-60 DEG C under unlimited pressure, and separating small liquid drops in the hydrogen sulfide gas through a mist capturing or gas-liquid separator; then adopting a polar adsorption section, a medium polar adsorption section and a non-polar adsorption section, and successively separating organic matter components in the hydrogen sulfide gas under the filtering conditions that the temperature is-20 to 45 DEG C, the pressure is 0.01 to 5.0 MPa and the flow rate is 1 to 1,000 BV / h, so as to obtain the filtered gas, namely a final product. According to the process, small liquid drops in the hydrogen sulfide gas are separated, and organic impurities in the hydrogen sulfide gas are effectively separated after adsorption of the one-stage or multi-stage macroporous adsorption resin, so that the quality of hydrogen sulfide is improved, and the quality of subsequent products such as sulfur or sulfuric acid for industrial reproduction of hydrogen sulfide is also improved.

The invention relates to a method for preparing a silicon-calcium-containing organic fertilizer from coal gasification slag and the silicon-calcium-containing organic fertilizer, and the method comprises the following steps: mixing coal gasification slag powder with an activator and water to obtain gasified slag slurry, and carrying out hydrothermal activation reaction on the gasified slag slurry; carrying out solid-liquid separation on a reaction product of the hydrothermal activation reaction, and carrying out forming treatment and drying treatment on a filter cake obtained by separation to obtain the silicon-calcium organic fertilizer. According to the method, carbon residues in the coal gasification slag can be converted into the organic fertilizer, meanwhile, rich but inert mineral elements such as Si, Al, Ca and K in the coal gasification slag are converted into the effective-state silicon-calcium organic fertilizer capable of being absorbed and utilized by plants, so that organic components and inorganic components in the gasification slag are synchronously activated and efficiently utilized, waste is turned into fertilizer, and the environment is protected. And the discharge of solid wastes can be reduced while the high-quality organic fertilizer is prepared.

The invention relates to the technical field of fertilizers, in particular to an alginic acid organic water-soluble fertilizer capable of quickly releasing nutrients and a preparation method of the alginic acid organic water-soluble fertilizer. The organic water-soluble fertilizer is prepared from the following preparation raw materials: 30 to 35 parts of sodium alginate, 12 to 15 parts of a seaweed extract composition, 5 to 8 parts of monocalcium phosphate, 5 to 8 parts of monopotassium phosphate, 12 to 15 parts of urea, 0.5 to 0.8 part of a chelating agent, 40 to 45 parts of an organic fertilizer raw material, 1.5 to 2 parts of a microbial strain, 12 to 16 parts of ammonium humate, 4 to 6 parts of a cosolvent and 1.4 to 1.7 parts of xanthan gum. By optimizing the ratio of the raw materials, the absorption and utilization rate of plants to the water-soluble fertilizer is remarkably improved; nutritional ingredients can be quickly released, and plants can be promoted to absorb water-soluble fertilizer; through the synergistic effect of microorganisms and organic components, the content of nutrient substances in soil is increased, plants are helped to better absorb mineral substances and trace elements, the utilization efficiency of the fertilizer is improved, healthy growth of the plants is promoted, and the yield is increased.

The invention discloses a preparation method of a composite biological nitrogen and phosphorus removal filter material, and relates to the technical field of sewage treatment. The preparation method of the composite biological nitrogen and phosphorus removal filter material comprises the following steps: loading sulfur and pyrite with oyster shells to prepare an integrated composite biological carrier with a foaming structure; sulfur loaded in the oyster shells can provide electrons for the denitrification nitrogen removal process; pyrite in the structure is rich in iron element, and can also participate in auxiliary phosphorus removal while providing nitrogen removal electrons; meanwhile, the foamed porous structure of the novel filter material is also beneficial to improving the specific surface area of a carrier, and bacteria can be efficiently and rapidly enriched; according to the present invention, the oyster shell is adopted as the carrier of the filler, the organic matter component is adopted as the slow release carbon source to provide a part of electrons so as to achieve heterotrophic denitrification, and the calcium carbonate component in the oyster shell can provide alkalinity so as to make up the insufficient alkalinity problem during the autotrophic denitrification process;

The invention relates to a reverse osmosis membrane pollution control method based on green biological scale inhibition, which is especially suitable for reverse osmosis membrane pollution treatment in an industrial wastewater zero discharge system. The method comprises the following steps: regulating and controlling the composition of organic components of inlet water through a sand filtration pretreatment unit, and directly interfering the nucleation and crystallization processes of inorganic scaling on a membrane surface by utilizing naturally enriched microbial communities and extracellular polymeric substances thereof in a sand filtration process without adding a fungicide or a chemical scale inhibitor, so as to form a loose and reversible pollution layer structure. The method effectively reduces the scaling rate of inorganic salts such as calcium carbonate and the like, inhibits membrane surface biological pollution, delays compaction of a pollution layer, improves the membrane flux retention rate, prolongs the membrane operation cycle and reduces the cleaning frequency. Compared with an existing traditional physical or chemical pretreatment method, the natural scale inhibition effect of an ecological system in the sand filtration unit is fully utilized, and the method has the remarkable advantages of being low in operation cost, environmentally friendly, high in adaptability and the like.

The invention belongs to the technical field of biology, and particularly relates to a polypeptide mimic enzyme, an immobilized mimic enzyme and application of the immobilized mimic enzyme to degradation of AFB1. Aiming at the problem of degradation of aflatoxin B1 by a mimic enzyme at the present stage, the invention provides a polypeptide mimic enzyme which comprises the following raw materials: polypeptide and copper ions; the amino acid sequence of the polypeptide is as shown in SEQ ID No.1, and the amino acid sequence of the polypeptide is specifically Ac-ICVHLHLHVHI-CONH2; the N terminal of the polypeptide is acetylated, and the C terminal of the polypeptide is amidated. In order to further improve the stability and applicability of an enzyme simulant under harsh conditions, the invention also provides a simple immobilization method for preparing the organic-inorganic hybrid nanoflower by taking a metal phosphate crystalline compound as an inorganic component and a promising polypeptide mimic enzyme as an organic component, and the immobilized enzyme is prepared. The strain is used for degrading aflatoxin B1 under severe conditions.

The invention discloses a multi-metal-component high-entropy metal organic framework material and a preparation method thereof, and belongs to the technical field of new material technology development and environmental governance, and the multi-metal-component high-entropy metal organic framework material is mainly used as a photocatalysis and photo-Fenton material for degrading azo dye pollutants. The high-entropy metal organic framework is prepared by taking various transition metal ions as inorganic components in the framework and polycarboxylic acid functional group ligands as organic components of a framework material, and heating the inorganic components and the organic components in a mixed solvent under the protection of nitrogen to coordinate and self-assemble the inorganic components and the organic components. The selected metal ions and organic ligands are low in cost, the preparation condition is simple, the yield is high, and the obtained multi-metal-component high-entropy metal organic framework material has good photocatalysis and photo-Fenton degradation performance on monoazo dyes under the visible light wave band; the problems of wide band gap, low response to visible light, poor photon-generated carrier separation capability and the like of conventional monometal component MOFs are solved, and a new scheme is provided for an environment restoration material.

The invention relates to a process for producing polyethylene glycol by coupling a reactive distillation separation ternary water-containing azeotropic system. According to the process, excessive ethylene oxide is introduced into a ternary water-containing azeotropic system, water in the system is completely converted into polyethylene glycol to be extracted as a by-product, and the excessive ethylene oxide and residual organic components of the system are separated through a common rectification technology. According to the invention, chemical reaction and rectification separation are coupled to be carried out in one tower, reaction and separation are realized at the same time, and heat released by the reaction can reduce the thermal load of the reboiler.

The invention discloses a sample pretreatment method for measuring organic components in titanium tetrachloride and a measurement and analysis method, and belongs to the technical field of detection and analysis of the organic components in inorganic materials. The sample pretreatment method and the measurement analysis method comprise the following steps: carrying out liquid-liquid extraction on a titanium tetrachloride sample to be detected by adopting a combined reagent, fully reacting, standing for layering to obtain a clear, transparent, non-emulsified and clear-interface two-phase system, separating and collecting a subnatant liquid phase to obtain a solution to be detected for detecting and analyzing the organic components in titanium tetrachloride; and sending the solution to be detected to an organic analysis instrument for organic component detection and analysis by adopting a direct sample injection mode. The method provided by the invention can effectively solve the influence of deposition blockage, matrix effect, highly corrosive volatile gas of HCl and the like caused by high-concentration inorganic components such as Ti < 4 + >, Cl <->, H < + > and the like in TiCl4 on a detection instrument and a determination result.

The invention belongs to the technical field of nodular cast iron pipe machining, and particularly relates to an organic powder coating nodular cast iron pipe product which comprises a nodular cast iron pipe body and an organic powder inner spraying layer, the organic powder inner spraying layer is evenly arranged on the inner wall of the nodular cast iron pipe, and the organic powder inner spraying layer is an organic component. The organic component is one of food-grade polyaspartic acid ester polyurea resin, food-grade epoxy resin, food-grade polyethylene plastic, food-grade polypropylene plastic or food-grade polyvinyl alcohol; the manufacturing process comprises the following steps: S1, base material pretreatment: carrying out pretreatment such as polishing and shot blasting treatment on the inner wall of the nodular cast iron pipe so as to increase the surface area of the inner wall and increase the binding force of a coating and a base body; and S2, a coating process. The coating of the nodular cast iron pipe is high in adhesive force, high in finish degree, good in abrasion resistance, resistant to corrosion and ultraviolet rays, free of discoloration, capable of meeting the regulations of GB / T13295 and GB / T26081 and capable of directly conveying drinking water.

The invention relates to the technical field of adhesives, and discloses an organic-inorganic hybrid adhesive, a preparation method and application of the organic-inorganic hybrid adhesive in aerogel heat insulation felts.The preparation method specifically comprises the steps that a mono-epoxy hepta (methoxyphenyl phthalazinone) POSS type connecting agent is synthesized and used for conducting modification treatment on silicon dioxide with the surface rich in hydroxyl, and then the modified silicon dioxide is obtained; the preparation method comprises the following steps: preparing nano silicon dioxide particles containing a methoxyphenyl phthalazinone POSS (Polyhedral Oligomeric Silsesquioxane) functional group; the preparation method comprises the following steps: compounding nano silicon dioxide particles containing methoxyphenyl phthalazinone POSS-based functional groups with an organic component phenolic resin on the basis of a pi-pi accumulation effect between benzene rings, so as to prepare the organic-inorganic hybrid adhesive; the glass fiber felt with excellent high temperature resistance is prepared by taking the organic-inorganic hybrid adhesive as an adhesive of chopped glass fibers, and can be used as a reinforcing material in the aerogel heat insulation felt, so that the prepared aerogel heat insulation felt shows excellent heat insulation performance.

The invention relates to a coal rock reservoir productivity adjusting auxiliary agent and a preparation method thereof, the coal rock reservoir productivity adjusting auxiliary agent integrates multifunctional components such as an intelligent response type surfactant, a nanoparticle composite material, a bio-based solvent, intelligent microspheres and microbial flora, and the auxiliary agent can continuously reduce interfacial tension, adjust wettability and stabilize a pore structure in a high-temperature and high-salt environment; the nano skeleton support can effectively prevent pore collapse and provide catalytic desorption sites, the bio-based solvent solubilizes coal rock organic components, the intelligent microspheres realize delayed controlled release of the corrosion inhibitor, the scale inhibitor and microbial nutrient components through heat, pressure or pH stimulation, microbial flora continuously breed in a reservoir, a local acidification or gas production effect is generated, and the coal rock organic components in the reservoir can be degraded. The method disclosed by the invention is green, environment-friendly, economical and feasible, and can be widely applied to efficient development of resources such as unconventional coal bed gas and the like.