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275 results about "Organic component" patented technology

Organic compounds are molecules composed of carbon and hydrogen, and may contain any number of other elements. Many organic compounds contain nitrogen, oxygen, halogens, and more rarely phosphorus or sulphur. Current trends in organic chemistry are chiral synthesis, green chemistry, microwave chemistry and fullerene chemistry.

Preparation method and application of monolithic BiVO4 photocatalytic foamed ceramic

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.
Owner:UNIV OF SHANGHAI FOR SCI & TECH

In-situ biomineralizable mineral-PHA water-based seed coating paint based on microphase separation and soil water potential response as well as preparation method and application of in-situ biomineralizable mineral-PHA water-based seed coating paint

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.
Owner:DU BAI CHENG NEW MATERIAL TECH (SHANGHAI) CO LTD +3

Compatible molybdenum-aluminum mixed acid etching solution and molybdenum-aluminum etching method

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.
Owner:JIANGYIN JIANGHUA MICROELECTRONICS MATERIAL

Full-bio-based PHA (polyhydroxyalkanoate) liquid bioplastic emulsion and preparation method thereof

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.
Owner:DU BAI CHENG NEW MATERIAL TECH (SHANGHAI) CO LTD +2

Method of Forming Pozzolan from Coal Refuse

PendingUS20260022062A1PozzolanaCoal
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.
Owner:MATNEY JOHNNY KEITH +1

Garden waste resource utilization system and method

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.
Owner:SHENZHEN ZHENHE LI ECOLOGICAL ENVIRONMENT CO LTD

Alginic acid organic water-soluble fertilizer capable of quickly releasing nutrients and preparation method of alginic acid organic water-soluble fertilizer

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.
Owner:SHANDONG QISHANG CENTURY BIOTECHNOLOGY CO LTD

Reverse osmosis membrane pollution control method based on green biological scale inhibition

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.
Owner:TSINGHUA UNIVERSITY

Normal-temperature bio-based asphalt cold patch material and preparation method thereof

The invention discloses a normal-temperature bio-based asphalt cold patch material and a preparation method thereof. The cold patch material comprises 96.5-98wt% of an asphalt pavement recycled material and 2-3.5 wt% of a bio-based asphalt cold patch liquid, and the cold patch liquid comprises 60-70wt% of matrix asphalt, 10-20wt% of a bio-based diluent and 20-30wt% of a bio-based regenerant. The preparation method comprises the following steps: preparing epoxidized soybean oil methyl ester and hydrogenated methyl ricinoleate; the preparation method comprises the following steps: uniformly mixing vegetable oil and a derivative component thereof, fatty acid and an ester component thereof, a natural small-molecular organic matter component and carnosic acid at normal temperature to prepare a bio-based diluent; the method comprises the following steps: heating matrix asphalt to a flowing state, adding a bio-based regenerant, cooling, and adding a bio-based diluent to prepare a cold supplementing liquid; and adding the cold patch liquid into the asphalt pavement recycled material, and mixing to obtain the cold patch material. The bio-based asphalt cold patch material has high initial strength, the repaired pavement is high in stability, and the repair rate of diseases and the probability of repeated occurrence of the diseases are greatly reduced.
Owner:CHINA GEZHOUBA GRP HIGHWAY OPERATION CO LTD +2

liquid chromatography mass spectrometer (2050 triple quadrupole)

1. The name of the design product: liquid chromatograph mass spectrometer (2050 triple quadrupole). 2. The use of the design product: the design is used for quantitative and semi-quantitative analysis of organic components. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.
Owner:TIANJIN ZHIPU INSTR CO LTD

Method for separating oil-rich coal into organic matter components with different condensation degrees based on hierarchical density

The invention discloses a method for separating oil-rich coal into organic matter components with different condensation degrees based on hierarchical density, and relates to the technical field of coal processing layering. Under the action of external field driving force, non-overlapping density hierarchical components with different organic matter condensation degrees and heavy ash contents are quickly separated; the density of the high ash density component is greater than or equal to 1.6 g / cm; the density of the heavy organic component is greater than or equal to 1.4 g / cm and less than 1.6 g / cm; the density of the medium-light organic component is greater than or equal to 1.3 g / cm and less than 1.4 g / cm; the density of the light organic component is greater than or equal to 1.2 g / cm and less than 1.3 g / cm; the density of the light organic component is less than 1.2 g / cm < 2 >. According to the method, based on the organic structural characteristics of the oil-rich coal, accurate non-overlapping cutting of components with different organic condensation degrees of the oil-rich coal is realized by adopting physical external field force, so that the accuracy and repeatability of a layering result are ensured; and the oil-rich coal is efficiently and cleanly converted into high-added-value fine chemicals and high-end carbon materials.
Owner:YULIN UNIV

Aziridinyl-functional organic compounds

PCT designated stageWO2026041607A1Organic chemistrySimple Organic CompoundsAziridine
The invention relates to aziridinyl-functional organic compounds comprising a group Z of Formula (I1), wherein n is an integer ranging from and including 1 up to and including (100), and R' is selected from the group consisting of hydrogen, methyl and C2-C4 saturated aliphatic hydrocarbyl. The invention further relates to particles, composition, cured forms of the aziridinyl-functional organic component, the particles and the composition. The invention further relates to an article.
Owner:COVESTRO NETHERLANDS BV

High-modulus inorganic-organic hybrid phase change protection layer for lithium metal negative electrode

The invention discloses a high-modulus inorganic-organic hybrid phase change protection layer for a lithium metal negative electrode. The composite material is composed of a lithium-loving inorganic component and a high-modulus organic component, and an inorganic lithium-loving phase is in star-like distribution in an organic polymer matrix. The inorganic component is composed of a lithium-loving inorganic substance (preferably lithium alloy) for rapid lithium ion transmission and a lithium halide (preferably fluoride) with high electron insulation property in a composite structure, and the binding force and the mechanical strength are enhanced through in-situ interface chemical reaction with lithium metal; the organic component is composed of a thermal-response high-elasticity-modulus phase-change high-molecular polymer (preferably a thermal polymerization organic matter), the polymerization degree is increased along with temperature rise, and good flexibility and electrolyte wettability are provided for the protective layer through an in-situ polymerization phase-change reaction. The protective layer is mainly used for the negative electrode of the lithium metal battery, effectively regulates and controls the deposition and stripping uniformity of lithium ions on the surface of lithium metal, remarkably inhibits the growth of lithium metal dendrites, improves the cycling stability and coulombic efficiency of the battery, and enhances the safety of the battery.
Owner:TIANJIN UNIV +1

Low-temperature conductive silver paste and preparation and application thereof

The invention belongs to the field of conductive silver paste, and particularly relates to low-temperature conductive silver paste which comprises modified silver powder and an organic carrier. The modified silver powder is prepared by modifying silver powder through a composite modification solution; the composite modified solution comprises imidazole polyionic liquid and low-boiling-point fatty amine with the boiling point being below 180 DEG C; the organic carrier comprises fatty amine and alcohol. The invention also comprises a preparation method and application of the low-temperature conductive silver paste. According to the conductive silver paste, no organic resin or curing agent is added, the printing performance is good, all paste components can be removed at the low temperature of 150 DEG C or below, the influence of non-conductive organic components on the performance of the silver powder can be avoided, and the electrical performance of the silver powder can be brought into full play.
Owner:CHANGSHA LIANGU TECH CO LTD

Preparation of isosorbide catalyst, method for preparing the same and use thereof

The application discloses a preparation of isosorbide catalyst and its preparation method and application. The catalyst is an organic / inorganic hybrid material, wherein the organic component comprises a functional group containing two or more N atoms and a hydrophobic group without nitrogen, and the inorganic component is a mesoporous silica material. The catalyst provided by the application is applied to the reaction of sorbitol and dimethyl carbonate to prepare isosorbide, and has high catalytic performance.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

A method and system for preparing ultrapure high-purity isopropanol

This invention relates to the field of separation and purification technology, and discloses a method and system for preparing ultra-clean, high-purity isopropanol. The method includes: isopropanol feedstock undergoing a first distillation and a first adsorption process; the first distillation removes light organic components and water, and the first adsorption removes organic impurities including water, alcohols, ethers, and ketones; the first adsorption is performed before or after the first distillation; followed by a second distillation and a second adsorption process; the second distillation removes heavy organic components and most of the metal cations and anions, and the second adsorption further removes metal cations and anions; the second adsorption is performed before or after the second distillation; followed by a third distillation to further remove water, alcohols, ethers, ketones, organic impurities, metal cations, and anions; and finally, filtration to obtain ultra-clean, high-purity isopropanol. This method can obtain ultra-clean, high-purity isopropanol products with low water content and low levels of alcohol, ketone, and ether impurities.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

Heavy activated sludge process anaerobic microorganism nutritional agent and application thereof

The invention belongs to the technical field of heavy oil sewage biochemical treatment, and discloses a heavy activated sludge process anaerobe nutritional agent and application thereof, the nutritional agent comprises a component A and a component B, the component A is citric acid monohydrate, the content of the component A is 114-125g / L; the component B is ammonium phosphate with the content of 57-69g / L; the component C is glycerol with the content of 185 to 196g / L; the component D is 35 to 42g / L of starch-acrylamide graft polymer; the component V is a mixture of alpha-transglucosidase and alpha-amylase; the content is 1.3-1.5 g / L, the component is coal powder granular active carbon, and the solvent is water. The components of the preparation are non-toxic components, the organic components are degradable components, the preparation belongs to an environment-friendly product, the main components are stabilized in the form of comprehensive technologies such as net crosslinking and activated carbon adsorption, the effects of the main components are not affected, production is convenient and fast, the preparation is stable, reproduction of exopolysaccharide producing bacteria is facilitated, and meanwhile the efficiency of various microorganisms can be improved in a targeted mode.
Owner:PETROCHINA CO LTD

Silicone resin coatings, structural components and structures

The present invention provides a silicone resin coating film that functions as a non-combustible material, a structural component, and a structure. [Solution] A silicone resin coating film formed from a cured product of a room-temperature curable organopolysiloxane composition is applied to an object to be coated. The room-temperature curable organopolysiloxane composition contains (A) an organopolysiloxane as a base polymer having a viscosity of 100 to 500,000 mPa·s at 23°C, and (B) an inorganic substance as an inorganic filler. The (A) base polymer has siloxane bonds, which are inorganic components, and organic groups, which are organic components. For 100% by mass of the (A) base polymer, the siloxane bond content is 59% by mass or more, and the organic group content is 41% by mass or less.
Owner:KANAZAWA LOCK CO LTD +1

An additive with chlorine fixation and toughening functions, and a preparation method and application thereof

This invention discloses an additive with chloride-fixing and toughening functions, its preparation method, and its application. The additive uses tricalcium aluminate and sodium acrylate as main raw materials. Under alkaline conditions, a wet grinding process hydrates tricalcium aluminate to form a calcium-aluminum layered bimetallic hydroxide structure, allowing acrylate atoms to intercalate into the interlayer, forming a stable organic-inorganic composite structure. When applied to cement-based materials, the layered structure reacts with chloride ions to generate chloride-containing hydration products, achieving chloride ion solidification. Simultaneously, the organic components in the composite structure undergo polymerization under the action of an initiator, forming a polymer network in the cement matrix, thereby improving the material's toughness. When added to cement-based materials at 1-5% of the cementitious material mass, the 28-day flexural strength can be increased by 38%-113%, and the 28-day chloride ion solidification rate can be increased by 17%-23%, while maintaining good workability. This invention achieves the simultaneous introduction of chloride ion solidification and material toughening functions through a single additive, simplifying the material system. It is suitable for cement-based materials containing endogenous chloride ions and has good engineering application prospects.
Owner:WUHAN UNIV OF TECH

Method for improving saline-alkali soil and application

The invention relates to the field of comprehensive treatment of saline-alkali soil, and discloses a method for improving saline-alkali soil and application. The method comprises the following steps: burying a pre-burying agent in soil of soda saline-alkali soil with the water content of 20-35wt%; applying an eluting agent to the soil; after crops are planted, a microbial agent is applied through a drip irrigation system; the eluting agent comprises modified or unmodified polysiloxane, and the surface active agent comprises sulfonate of C5-C20. According to the method, the soda saline-alkali soil is improved by using the specific modifier and the method, so that the salt content and the pH value of the saline-alkali soil are reduced, the soil aggregate structure of the saline-alkali soil is improved, the content of organic components and humus in the soil is increased, the productivity of the soda saline-alkali soil is improved, and the adaptability and the tolerance of crops to adverse environments are enhanced. The improvement period of the saline-alkali soil can be further shortened, the comprehensive cost of large-scale improvement is reduced, and meanwhile the stability of the improvement effect is improved.
Owner:中化环境修复(山东)有限公司 +1

An oil displacement demulsifier and a preparation method thereof

The application relates to an oil-displacing demulsifier and a preparation method thereof. First, magnetic carbon nanotubes are prepared by depositing ferric chloride hexahydrate and copper sulfate pentahydrate on the surface of carbon nanotubes; second, hyperbranched polymers with terminal double bonds are prepared; then, the two are mixed to obtain hyperbranched grafted magnetic carbon nanotubes; finally, allyl polyoxyethylene ether is continuously polymerized in situ to obtain the oil-displacing demulsifier. The oil-displacing demulsifier prepared by the application is suitable for oil-displacing demulsification treatment of coking wastewater in the early stage. The coking wastewater is complex in composition, contains little oil, but contains a lot of organic components. The polyether with multiple branched chains can form a net trapping effect in the water body, so that oil and water can be quickly gathered and separated in an emulsified state, and the oil removal rate can reach more than 97%. Meanwhile, the demulsifier has magnetism, can be recycled through magnetic separation, and the oil removal rate can still reach more than 92% after ten cycles of demulsification. The oil removal effect is good with a small amount of addition, and the coking wastewater treatment process is simplified.
Owner:JIANGSU JIANLIN ENVIRONMENTAL PROTECTION TECH CO LTD

Preparation equipment for chemical qualitative analysis quality control sample

The utility model relates to the technical field of sample preparation, in particular to chemical qualitative analysis quality control sample preparation equipment which comprises a mixing barrel, a stirring assembly is fixedly installed in the mixing barrel, a protection assembly is fixedly installed at the lower end of the mixing barrel, and the stirring assembly comprises a motor. A first telescopic rod is fixedly mounted at the output end of the motor, a stirring rod is fixedly connected to one side of the first telescopic rod, stirring blades are fixedly mounted on one side of the stirring rod, and a second telescopic rod is fixedly mounted at the lower ends of the stirring blades; the purpose of the utility model is as follows: when the convex rod of the stirring assembly slides to the uppermost part and the lowermost part of the elliptical chute, the stirring blades move up and down in the mixing barrel, ethanol as a substrate solvent is fully mixed and stirred with dozens of organic components, and in order to ensure the uniformity and efficiency of chemical reaction, the stirring efficiency is improved. And the possibility that the chromatographic peak of the organic component is wrapped by the solvent peak to fail to report during analysis due to the insufficient phenomenon of the solution in the mixing process is prevented.
Owner:GUANGDONG OCCUPATIONAL DISEASE PREVENTION HOSPITAL

Fly ash-based adsorption material based on ore-drawing excitation modification and preparation method and application thereof

PendingCN122377448ASilicic acidSilicon oxide
The application relates to the technical field of adsorbing materials, in particular to a fly ash-based adsorbing material based on ore-drawing excitation modification as well as a preparation method and application thereof, wherein fly ash, alkaline substances and ore-drawing agents are uniformly mixed according to a mass ratio of 30-90:5-35:15-35 to obtain a solid mixture; the solid mixture is uniformly mixed with water, stirred and reacted, the reaction product is separated into solid and liquid, dried, and the product is obtained; the ore-drawing agent is composed of tetracalcium sulphoaluminate, dicalcium silicate, calcium sulphate dihydrate, aluminum oxide, silicon dioxide and calcium carbonate. The fly ash-based adsorbing material based on ore-drawing excitation modification has excellent CPM adsorption capacity, the inorganic component adsorption rate reaches more than 75%, the organic component adsorption rate can reach more than 60%, and the material has a wide application prospect.
Owner:SHANDONG UNIV

Low-temperature absorption and adsorption coupling recovery treatment process for VOCs (volatile organic compounds) oil gas in tank field

The invention provides a low-temperature absorption and adsorption coupling recovery treatment process for VOCs (volatile organic compounds) oil gas in a tank field, and relates to the technical field of VOCs treatment, which comprises the following steps: (1) low-temperature absorption: the VOCs oil gas in the tank field enters an absorption tower and is contacted with an intermediate material absorbent of a factory production device at-5-15 DEG C, and 80-90% of non-methane total hydrocarbon and organic sulfide are removed; (2) adsorption and removal: the absorbed oil gas enters an adsorption unit with three tanks connected in parallel, residual hydrocarbons are deeply removed through an adsorbent, and the hydrocarbon concentration of outlet tail gas is smaller than or equal to 60 mg / m; through the synergistic effect of low-temperature absorption and adsorption, various organic components in the VOCs oil gas in the tank field can be deeply captured, non-methane hydrocarbon can be efficiently removed, refractory components such as organic sulfide can be treated in a targeted manner, available resources in the oil gas are ensured to be fully recycled, and loss of valuable components is avoided.
Owner:HEBEI XINHAI CHEM GRP CO LTD

A high-barrier butyl rubber septum material for preventing volatile cross-contamination and a method for preparing the same

PendingCN122145935APolymer scienceVulcanization
The application belongs to the field of high polymer materials, and discloses a volatile-preventing and string-preventing high-barrier butyl rubber septum material and a preparation method thereof. The material comprises, by weight, butyl rubber 90-110 parts, modified sheet layer filler 5-12 parts, silane coupling agent containing dynamic bond 2-5 parts, polyisobutylene core-fluorine-containing hydrophobic shell core-shell microsphere 1-3 parts, vulcanizing agent 1.5-3 parts, vulcanization accelerator 0.8-2 parts, and activator 3-5 parts. By constructing a triple synergistic structure of "sheet layer directional barrier-dynamic interface plugging-matrix hydrophobic network interception", the penetration and stringing of volatile organic components in the sealing system are effectively inhibited. The preparation method comprises the steps of sheet layer filler modification, rubber matrix mixing, dynamic vulcanization and post-molding vulcanization, and has high controllability. The prepared material has excellent gas barrier property, puncture resistance and low-temperature elasticity, and is suitable for chromatographic sample bottle sealing systems.
Owner:ZHEJIANG ORSET TECH CO LTD

A composite membrane for separating acetone and isoprene gas and a method for preparing the same

ActiveCN115554863BHollow fibreFiber
The present application relates to a kind of for the separation of acetone and isoprene gas in human exhaled gas Composite membrane and its preparation method, polydimethylsiloxane (PDMS) modified polymer-based hollow fiber composite membrane is prepared by dip coating method.The above-mentioned modification, while covering the macropore of base film surface, improve the adsorption capacity of functional layer to acetone gas, so as to improve the separation effect of composite membrane to isoprene / acetone.The present application has the characteristics of simple operation, gas separation effect is remarkable, gas molecule is measured quickly, accurately, efficiently etc., provides a new way of thinking for the selective separation of organic components in human exhaled gas.
Owner:TIANJIN POLYTECHNIC UNIV +1

A subcritical oxidation catalyst for sludge reduction and a preparation method thereof

This invention belongs to the field of environmental engineering and catalytic materials, and discloses a subcritical oxidation catalyst for sludge reduction and its preparation method. The catalyst uses functionalized mesoporous hollow silica spheres as a support, grafts phosphate and amino groups onto the surface, loads ternary metal oxides with synergistic active sites, and is prepared using a combined microwave and hydrothermal process to obtain a highly dispersed sub-nano metal cluster structure. The prepared catalyst can efficiently generate free radicals in subcritical aqueous media, significantly promoting the deep oxidative decomposition of organic components in sludge, achieving the dual effects of volume reduction and pollutant removal; simultaneously, due to the functionalization of the support and the synergistic effect of multiple metals, it exhibits excellent anti-sintering and cycling stability.
Owner:SHENZHEN HUAQING ZHIHUI TECH CO LTD

Carbon-based biological liquid organic water-soluble fertilizer as well as preparation method and application thereof

The invention discloses a carbon-based biological liquid organic water-soluble fertilizer as well as a preparation method and application thereof, and belongs to the technical field of biological organic fertilizers. The water-soluble fertilizer comprises the following raw materials in parts by weight: 15-25 parts of a seaweed extract, 10-15 parts of potassium fulvate, 5-10 parts of a compound microbial agent, 3-5 parts of potassium dihydrogen phosphate, 2-4 parts of potassium nitrate, 2-3 parts of urea, 2-3 parts of calcium nitrate, 1-2 parts of magnesium sulfate heptahydrate, 1-1.5 parts of a trace element-containing substance, 1-2 parts of sodium dodecyl benzene sulfonate and 0.5-1 part of potassium sorbate. The total amount of the components is 100 parts. According to the invention, three strains such as pseudomonas sevivaldi, bacillus pumila and bacillus thuringiensis are screened to play roles in three dimensions of promoting growth, improving rhizosphere environment and preventing and treating diseases and insect pests respectively, and are combined with organic components such as seaweed extract and potassium fulvate in the fertilizer and other components, so that the fertilizer has a good application prospect. A comprehensive system of nutrition, growth promotion, disease resistance and quality improvement is formed, and the yield and quality of grapes are remarkably improved.
Owner:SHANDONG ZHONGNONG YISHENGYUAN BIOTECHNOLOGY CO LTD

Water treatment agent as well as preparation method and application thereof

The invention relates to a water treatment agent and a preparation method and application thereof, and the preparation method comprises the following steps: (1) adding an organic additive and hydrogen peroxide into an ammonia water solution to prepare a mixed solution I, carrying out electrolytic reaction, and aging to obtain sol; (2) dissolving acrylamide and a cationic monomer in water to obtain a mixed solution II; (3) adding the mixed solution II into the sol in the step (1) to obtain a mixed solution III; and (4) adding an initiator into the mixed solution III, and carrying out polymerization reaction to prepare the water treatment agent. According to the method disclosed by the invention, introduction of heteroanions is avoided, efficient in-situ polymerization of organic components on inorganic components is improved, the problem of low molecular weight of the medicament caused by initiation of an anion inhibition chain is solved, and the prepared medicament has excellent defluorination and flocculation capabilities.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

Method for concentrating peat

The invention discloses a peat concentration method, and relates to the technical field of efficient pretreatment and high-value utilization of peat resources. According to the method, high-water-content wet peat is taken as a raw material, and deep dehydration, structure densification and humic acid directional enrichment of the peat are synchronously realized through a catalyst-assisted hydrothermal reaction and afterheat drying coupling process. According to the process, organic components of peat are promoted to be subjected to cracking-polymerization conversion through a hydrothermal reaction, the content of humic acid is remarkably increased to 20.8% or above, and meanwhile the volume of the peat is concentrated to 25%-30% of the original volume. The obtained concentrated peat product has the advantages that firstly, the density is high, the size is small, and the storage and transportation cost is greatly reduced; active components are improved, and the active components can serve as high-quality raw materials to be used for customized creation of high-end agricultural products such as seedling substrates and suspension fertilizers. The method provides key technical support for sustainable development and full-chain high-value utilization of the peat industry, and has remarkable economic benefits and ecological benefits.
Owner:HEILONGJIANG ECOLOGICAL ENVIRONMENTAL PROTECTION GRP CO LTD +1