481 results about "Ferrocene" patented technology

The invention provides a novel chiral ferrocene bridged binaphthyl skeleton phosphine ligand and application thereof. The ligand has the advantages of low cost, simplicity in synthesis, air stability and the like. The ligands have good catalytic activity and enantioselectivity in the asymmetric hydrogenation reaction of ketone, and have certain industrial application prospects in the synthesis of pharmaceutical molecules.

The invention relates to the technical field of cement, and discloses a cement material containing barium slag and a preparation method thereof.The cement material containing the barium slag is obtained by adding the barium slag, fly ash, a polycarboxylate superplasticizer, Portland cement, a boron modified quaternary ammonium salt polymer, modified ferrocene and water into a stirrer and stirring the materials evenly. Iron ions in ferrocene in the boron-modified quaternary ammonium salt polymer can be combined with hydroxyl ions in water to form a ferric hydroxide hydrate, the compound can catalyze the hydration reaction of cement, so that concrete can be hardened more quickly, the mechanical property of the concrete is enhanced, polyurethane contained in the compound can also improve the impermeability of a cement material, and the water resistance of the cement material is improved. The boron element contained in the cement can improve the durability of the cement, the sulfonic group can improve the fluidity of the cement, and the quaternary ammonium salt structure contained in the cement has a good anti-mud effect. Silicone rubber contained in the modified ferrocene can also improve the fluidity and impermeability of the cement.

A photovoltaic cell includes a perovskite layer (110), an electron transport layer (106), and an interface layer (108) disposed between the electron transport layer and the perovskite layer. The interface layer includes a metallocene substituted with a substituent having an O, S, N or P group, such as a ferrocene substituted with a thienyl carboxylic acid ester group.

Compounds of general formula I wherein Fc and Fc′ may be the same or different and are substituted ferrocenyl moieties having at least one ring substituent selected from sulfur-containing groups, phosphorus-containing groups, iodo, chloro, silyl, fluoroalkyl groups containing two or more fluorine atoms, heteroaryl, substituted phenyl, and cyano, wherein if present as sole substituent the cyano group is located on the proximal cyclopentadienyl ring; X is a spacer, Y is a spacer, Z is a spacer; and R is a linker group. Compound I may be used to make labelled substrates, functionalised compounds for making labelled substrates and may be used as labels in an electrochemical assay.

The invention provides a strong smoke suppression flame retardant PVC wood-plastic material and a preparation method thereof, and relates to the technical field of wood-plastic composites, the PVC wood-plastic material comprises the following components by weight: 70-100 parts of PVC resin, 20-30 parts of wood flour, 20-30 parts of calcium carbonate, 15-20 parts of a smoke suppression material, 10-15 parts of a flame retardant, 1-6 parts of a foaming agent, 5-10 parts of a stabilizer, 1-2 parts of a coupling agent, 5-10 parts of a processing aid, and 1-4 parts of a lubricant; wherein the smoke suppression material comprises a molybdenum compound, ferrocene and oxalate dihydrate in a mass ratio of 1: (0.5-1.5): (5-10); the preparation method comprises the steps of wood powder end-capping modification and PVC wood-plastic material preparation. The PVC wood-plastic material prepared by the invention has excellent flame retardant property and smoke suppression property.

The invention discloses a gel dry water fire extinguishing agent with high stability and high water-retaining property and a preparation method of the gel dry water fire extinguishing agent. The gel dry water fire extinguishing agent is of a composite structure formed by combining hydrophobic nano silicon dioxide and ferrocene to form an inert shell, combining an anion and nonionic compound solution and a liquid core gel system cross-linking solution to form a gel dry water liquid core, and wrapping the gel dry water liquid core by the inert shell. The preparation method comprises the following steps: S1, preparing an anionic and nonionic compound solution; s2, preparing a liquid core gel system cross-linking solution; s3, mixing and stirring the anionic and nonionic compound solution and the liquid core gel system cross-linking solution to obtain a gel dry water liquid core stock solution; and S4, hydrophobic nano silicon dioxide, ferrocene and the gel dry water liquid core stock solution are mixed and stirred at a high speed through a precise high-speed dispersion machine, tiny liquid drops of the gel dry water liquid core stock solution are evenly wrapped by the hydrophobic nano silicon dioxide and the ferrocene, and finally the gel dry water fire extinguishing agent is formed.

The invention discloses a preparation method and application of single-walled carbon nanotube conductive paste. The equipment is transformed to realize gasification of ferrocene in a preheating zone (200 DEG C), the ferrocene enters a high-temperature reaction zone (900-1050 DEG C) along with inert gas, a saturated hydrocarbon carbon source and reducing gas at the same time, high-purity single-walled carbon nanotubes are synthesized, impurity metals are removed through acid pickling, and the high-purity single-walled carbon nanotubes are obtained. When the prepared single-walled carbon nanotube conductive paste is applied to a lithium iron phosphate positive electrode, a continuous and stable conductive network can be formed, the rate capability is improved, the internal resistance is reduced, and the conductivity of lithium iron phosphate is greatly improved.

The invention discloses an oxygen evolution catalyst based on a covalent organic framework structure. Ionic salt (ferrocene methyl) trimethyl ammonium iodide containing a ferrocene catalytic site is introduced into a COF-TpBpy framework pore channel; according to the preparation method, ionic salt containing ferrocene catalytic sites is introduced into a COF-TpBpy material pore channel, the novel composite frame structure FTMA (COF-TpBpy with excellent structural stability and oxygen evolution electro-catalytic performance is prepared, and the composite frame structure FTMA (COF-TpBpy can be applied as an oxygen evolution catalyst in a water electrolysis hydrogen production reaction.

The working electrode is characterized in that the working electrode is obtained by dispensing ferroferric oxide and lauric acid on the surface of a glassy carbon electrode. A working electrode for detecting the micro-plastic is a working electrode, an Ag / AgCl electrode is a reference electrode, and platinum is an auxiliary electrode; preparing a series of concentrations of micro-plastic standard sample solutions, preparing a ferrocene solution and an electrolyte, firstly putting a working electrode, a reference electrode and an auxiliary electrode into the standard sample solutions, incubating to reach adsorption equilibrium, then taking out the three electrodes, putting the three electrodes into the ferrocene solution, and incubating; and finally, taking out the three-electrode system, putting the three-electrode system into electrolyte, and carrying out DPV detection. A simple and low-cost electrochemical sensing detection method is established by utilizing the reaction of the micro-plastic reinforced ferrocene signal molecules. The method is rapid, simple and low in cost, and can effectively detect the micro-plastics in a wide range and maintain good sensitivity.

The invention belongs to the technical field of asymmetric catalysis, and discloses a chiral phosphine nitrogen-nitrogen tridentate ligand based on a ferrocene skeleton as well as a preparation method and application of the chiral phosphine nitrogen-nitrogen tridentate ligand. The structural formula of the ligand is shown as (I) or an enantiomer (II) of the ligand. The preparation method comprises the steps of acylation reaction, oxazoline ring construction, aldehyde group introduction, reductive amination and the like, and application in asymmetric hydrogenation reaction, such as asymmetric hydrogenation of aryl ketone. The ligand has a plurality of chiral factors, simultaneously has a potential hydrogen bond donor, forms secondary interaction with a substrate in an asymmetric catalytic reaction, can further stabilize a reaction transition state, is an efficient novel chiral P, N, N-ligand, has the advantages of high reaction activity, good stereoselectivity, wide substrate range and the like, and has a wide application prospect. # imgabs0 #

The invention belongs to the field of solid electrolytes, and particularly relates to a preparation method of a cross-linked polyether-based solid electrolyte, which comprises the following steps: polymerizing a precursor solution containing an ether monomer, a cross-linking agent containing an epoxy group, an electrolyte salt, an auxiliary agent I and an auxiliary agent II under ultraviolet irradiation to obtain the cross-linked polyether-based solid electrolyte, the auxiliary agent I is a compound which contains a structure shown in a formula 1 # imgabs0 # and can release free radicals under ultraviolet light; the auxiliary agent II is at least one cationic organic matter of diazonium salt, iodonium salt, sulfonium salt, ferrocene salt, sulfonyloxy ketone and triaryl siloxy ether. The invention also discloses the material prepared by the preparation method and an application of the material in a battery. According to the invention, the cyclic ether monomer, the cross-linking agent, the assistant I and the assistant II are polymerized under ultraviolet light, so that the polymerization of the cyclic ether monomer can be realized based on a brand new photo-initiation mechanism, and furthermore, the polymerization behavior and uniformity can be optimized, so that the comprehensive properties such as stability, mechanical property, conductivity and the like of the prepared solid electrolyte are improved.

The present invention relates to the technical field of clean fuels, and in particular to an ether-based clean fuel for vehicles and a preparation method thereof, comprising the following raw materials in parts by weight: 35-45 parts of methyl tert-butyl ether, 15-20 parts of isobutanol, 10-15 parts of methanol, 4-7 parts of flaky graphene agents based on doping cerium / yttrium, 2-4 parts of dimethyl ether, 1-3 parts of ferrocene, and 3-6 parts of regulating modifiers. The clean fuel of the present invention adopts methyl tert-butyl ether to match isobutanol, methanol, dimethyl ether and ferrocene raw materials, and the flaky graphene agent based on doping cerium / yttrium and the regulating modifier are added to coordinate and synergize, so that the combustion performance of the product is excellent, and the corrosion performance and water resistance of the product are remarkable, the product performance balance and coordination are improved, and the product has a remarkable product performance stability effect in a low temperature environment.

The invention discloses a preparation method of a high-rate graphite negative electrode material. The preparation method comprises the following steps: S1, soaking a prepared graphite material in a ferrocene solution for 2-6 hours; s2, standing and depositing the solution soaked in the step S1 at room temperature, cleaning with deionized water, performing suction filtration, and drying at 80-120 DEG C; and S3, carrying out carbon nanotube growth on the graphite material dried in the step S2, so that the carbon nanotubes grow on the surface of the graphite material to obtain the high-magnification graphite negative electrode material with the surface coated with the carbon nanotubes. After the graphite is soaked in the ferrocene solution, the growth of the carbon nanotubes on the surface of the graphite is facilitated; the grown carbon nanotubes are dispersed on the surface of the graphite more uniformly, and a graphite material with excellent two-dimensional performance is converted into a carbon material with excellent three-dimensional performance, so that the conductivity of the graphite negative electrode is remarkably improved, and the rate capability of the graphite negative electrode is effectively improved.

The invention relates to the technical field of organic synthesis, in particular to 4-chloro-1-methyl-6H-heterochromene [3, 4-c] pyridine as well as a synthesis method and application of the 4-chloro-1-methyl-6H-heterochromene [3, 4-c] pyridine. The synthesis method comprises the following steps: (1) synthesizing 2-chloro-3-fluoro-4-iodine-5-methylpyridine from 2-chloro-3-fluoro-5-methylpyridine and an iodine elementary substance to obtain 2-chloro-3-fluoro-4-iodine-5-methylpyridine; (2) synthesizing 2-(2-chloro-3-fluoro-5-methylpyridine-4-yl) benzaldehyde from the 2-chloro-3-fluoro-4-iodo-5-methylpyridine, the 1, 1-bis (diphenylphosphine) ferrocene palladium dichloride, the tripotassium phosphate and the (2-formyl phenyl) boric acid, and further synthesizing the 2-(2-chloro-3-fluoro-5-methylpyridine-4-yl) benzaldehyde from the 2-chloro-3-fluoro-4-iodo-5-methylpyridine and the 1, 1-bis (diphenylphosphine) ferrocene palladium dichloride. And (3) synthesizing the 4-chloro-1-methyl-6H-heterochromene [3, 4-c] pyridine by using the 2-(2-chloro-3-fluoro-5-methylpyridine-4-yl) benzaldehyde and sodium tert-butoxide. The 4-chloro-1-methyl-6H-heterochromene [3, 4-c] pyridine compound constructed by the invention can be used for detecting the content of pesticide residue glyphosate.

The invention discloses a ferrous sulfide-barium titanate wave-absorbing material and a preparation method thereof, and belongs to the technical field of novel wave-absorbing materials.The wave-absorbing material is prepared through a two-step hydrothermal method, firstly, thiourea and ferrocene are mixed through the hydrothermal method to prepare ferrous sulfide, and then the ferrous sulfide and the ferrocene are mixed through a hydrothermal method to prepare the ferrous sulfide-barium titanate wave-absorbing material. Barium chloride, butyl titanate and the prepared ferrous sulfide are subjected to a reaction through a hydrothermal method, a ferrous sulfide-barium titanate composite material is obtained, and the wave absorbing performance of the composite material is adjusted by adjusting the content of barium titanate in the composite material. The ferrous sulfide-barium titanate composite wave-absorbing material prepared by the method has the advantages of lower density, wider effective absorption frequency band, higher electromagnetic wave absorption performance, simple preparation method, capability of regulating and controlling the morphology of the composite material and the like.

The invention discloses an algae-based iron-carbon catalyst as well as a preparation method and application thereof, and relates to the technical field of new material research and development and sewage treatment. The preparation method comprises the following steps: mixing ferrocene, diatomite and a solvent to obtain a mixed solution; adding a hydrogen peroxide solution into the mixed solution, and then heating for reaction to obtain an intermediate; and roasting the intermediate to obtain the algae-based iron-carbon catalyst. According to the invention, ferrocene and diatomite are used as raw materials, and the high-performance algae-based iron-carbon catalyst is prepared through simple solvothermal reaction and roasting treatment. The obtained algae-based iron-carbon catalyst is stable in structure, high in activity and wide in applicable pH range in a persulfate oxidation system, and can be used for activating persulfate to degrade antibiotic pollutants in water.

The disclosure provides redox flow batteries that have long-duration or long-lifetime for energy storage applications. The water-soluble perylene diimide based molecules can be used as energy storage materials in the anode chambers. The water-soluble ferrocene- based molecules can be used as energy storage materials in the cathode chambers. The redox flow batteries have negligible crossover rates across the membranes.

The invention relates to a method for efficiently treating diacetylmonoxime production wastewater, and belongs to the technical field of diacetylmonoxime production wastewater treatment. The method comprises the following steps: reacting diacetylmonoxime wastewater, an iron-carbon material, an H2O2 solution and a coagulant, precipitating and filtering; taking the filtered clear liquid, and carrying out air stripping by using nitrogen; adding activated sludge, mechanically stirring to keep the sludge in a uniform fluidized state in the clear liquid, and carrying out anaerobic treatment and aerobic treatment; the coagulant is prepared by the following steps: carrying out click chemical reaction on ferrocenyl hexanethiol, benzofuryl-containing acrylamide, toluene and a photoinitiator under the irradiation of ultraviolet light with the absorption wavelength of 365 nm, and distilling to remove toluene after the reaction is ended. The acrylamide containing the benzofuran group is prepared from 2, 3-dihydro-1-benzofuran-5-yl isocyanate, hydroxymethyl acrylamide, organic tin and DMF (Dimethyl Formamide), and the acrylamide containing the benzofuran group is prepared from the 2, 3-dihydro-1-benzofuran-5-yl isocyanate, the hydroxymethyl acrylamide, the organic tin and the DMF; the coagulant prepared by the invention can effectively remove various impurities such as COD (Chemical Oxygen Demand), ammonia nitrogen, TP (Total Phosphorus) and the like in diacetylmonoxime wastewater.

The invention relates to a chiral ferrocene skeleton diphosphine ligand and an application thereof in a catalyst, and the disclosed ligand is a novel ferrocene skeleton diphosphine ligand, and the ligand has the advantages of low cost, simple synthesis, good stability and the like. The metal complex of the ligand shows very excellent catalytic activity in CN coupling reaction, can efficiently catalyze coupling of building blocks such as halogenated hydrocarbon and sulfonate with ammonia, amine or hydrazine compounds, and has important industrial application value.

The invention discloses a preparation method and application of a metal modified amino porphyrin COF material based on ferrocene dicarboxaldehyde, and the preparation method comprises the following steps: (1) adding ferrocene dicarboxaldehyde and 5, 10, 15, 20-tetra (4-aminophenyl) porphyrin into an organic solution, and carrying out ultrasonic mixing; (2) adding a catalyst into the dispersion liquid, ultrasonically mixing uniformly, and carrying out multiple freezing degassing circulation treatment; (3) after the treatment in the step (2), carrying out heat preservation reaction, cooling to room temperature, carrying out centrifugal separation on turbid liquid, washing the precipitate, then soaking the precipitate by using an organic solvent, and centrifugally collecting a precipitate product; and (4) drying the precipitation product, and collecting to obtain a black powder sample COF material. The COF material prepared by the invention has excellent electro-catalytic performance and stability, and has a good application prospect in metal-air batteries.

The invention relates to a power-on adhesive tape capable of losing adhesion and a preparation process thereof. The power-on adhesive tape comprises a base film, a conductive layer and an adhesive layer, the adhesive layer is prepared from the following raw materials in parts by mass: 40 to 50 parts of acrylate copolymer, 3 to 5 parts of terpene resin, 0.2 to 0.5 part of initiator, 20 to 30 parts of solvent, 3 to 5 parts of pyridine modified reduced graphene oxide, 8 to 10 parts of hydroxypropyl-beta-cyclodextrin, 2.0 to 2.4 parts of 1-(2-aminoethyl) ferrocene and 4 to 5 parts of polyethylene glycol diacrylate. The component A is prepared from the following components in parts by weight: 0.5 to 0.8 part of polyoxyethylene-polyoxypropylene-polyoxyethylene triblock copolymer, 0.2 to 0.5 part of benzotriazole antioxidant and 1 to 2 parts of polycarbodiimide; the raw materials of the acrylate copolymer comprise a soft monomer and a hard monomer in a mass ratio of (2.5-3.5): 1. The power-on viscosity-loss adhesive tape is high in peel strength and high in power-on viscosity-loss sensitivity.

The invention discloses a method for detecting staphylococcus aureus by using an electrochemical luminescence aptamer sensor. The method comprises the following steps: step 1, synthesizing Au NPs; 2, synthesizing a Ru (bpy) 32 + (at) MXene composite material; step 3, sensor construction and ECL detection: step 3a, polishing the surface of the GCE with Al2O3 polishing powder, washing with ultrapure water, and blow-drying with nitrogen; step 3b, obtaining Ru (bpy) 32 + (at) MXene / GCE; step 3c, obtaining an Au NPs-Ru (bpy) 32 + (at) Mxene membrane electrode; step 3d, dispensing cDNA activated by TCEP on the surface of Au NPs-Ru (bpy) 32 + (at) Mxene / GCE, incubating, and fixing the cDNA on the surface of the electrode through self-assembly of a gold-sulfydryl bond; step 3e, mixing the aptamer with P-DNA / Fc modified with ferrocene (Fc), and carrying out a reaction in a dark place to obtain double-stranded DNA; step 3f, mixing staphylococcus aureus with different solubilities with the double-stranded DNA, soaking the cDNA-modified electrode in the mixed solution, and reacting in a dark place; and immersing the electrode into a 1 * PBS buffer solution containing TPA. The detection sensitivity of pathogenic bacteria can be improved.

The invention discloses a catalyst CudppfBH4 and an application of the catalyst CudppfBH4 in catalysis of a reduction reaction of alpha, beta-unsaturated amide. The catalyst CudppfBH4 disclosed by the invention is synthesized from a complex formed by copper acetylacetonate (Cu (acac) 2) and 1, 1 '-bis (diphenylphosphine) ferrocene (dppf) through a one-pot method under the reduction of NaBH4, and the yield is high. The catalyst CudppfBH4 can effectively reduce electron-deficient alkyne in alkylamide under mild reaction conditions (80 DEG C and atmospheric pressure), so that the (Z)-alpha, beta-unsaturated amide is generated with high selectivity, and the catalyst is low in dosage and suitable for various substrates.

The application discloses an oxygen reduction catalyst and a preparation method and application thereof. The preparation method of the oxygen reduction catalyst comprises the following steps: S1: mixing mycelia of filamentous fungi, ferrocene and a nitrogen source, and performing first calcination to obtain a mixture A; and S2: mixing the mixture A and a ZnCl2 solution, and performing activation and carbonization reaction to obtain the oxygen reduction catalyst. The preparation method can realize environmental management through waste recycling, and has the advantages of easy preparation of raw materials, low cost, simple preparation method, and suitability for large-scale preparation and application. Meanwhile, the oxygen reduction catalyst has the advantages of obvious three-dimensional porous structure, large specific surface area, rich active sites, good catalytic activity and stability.

The invention relates to a preparation method of a hydrolysis modified organic silicon high-temperature-resistant anticorrosive coating, and belongs to the technical field of anticorrosive coatings. The preparation method comprises the following steps: heating 1, 1 '-bis (dimethylsilyl) ferrocene, methylbenzene, chloroplatinic acid, 2, 2, 3, 3, 4, 4, 4-heptafluorobutyl acrylate and bis-(2-methylallyl) cyclooctyl-1, 5-diene ruthenium, and reacting to obtain an intermediate product 1; weighing methyltrimethoxysilane, phenyltrimethoxysilane and the intermediate product 1, uniformly stirring and mixing, slowly dropwise adding diluted hydrochloric acid, hydrolyzing, and heating to react, so as to obtain modified silicon resin; adding the modified silicon resin into petroleum ether, and adding silicone oil, an organic tin catalyst, a bis-ammonia coupling agent, filler and a curing agent to obtain the anticorrosive paint.

A group of inventions relates to the field of medical devices. A method for producing needles with adsorption properties is described by depositing an iron oxide coating onto the needle by atomic layer deposition. An acupuncture needle for reflex therapy, consisting of a handle and shaft made of metal material, is placed in a reactor where a vacuum is created at a pressure of approximately 10 mbar ± 0.1 mbar and a temperature of 150 ± 0.2 °C, then a ferrocenecarboxylic acid precursor in the form of vapor is delivered to the reactor, then nitrogen is added to the reactor and degassed to the initial pressure, and this process is repeated in pulse mode until a specific coating thickness is formed. The use of ferrocenecarboxylic acid as a precursor for producing an Fe3O4 coating is described. An acupuncture needle for adsorbing toxic heavy metal ions is described with a coating of Fe3O4 nanofilm thickness of 14 nm ± 0.1 nm, and the nanofilm has the appearance of a nanosieve as shown in Figure 1b. The use of acupuncture needles for adsorbing metal ions is described. The technical achievement of this invention is the development of a method for attaching a magnetic separation film of Fe3O4 to the surface of an acupuncture needle, which is simpler and less expensive in terms of methodology and technique, thereby imparting adsorption properties to the acupuncture needle. The needle of this invention makes it possible to adsorb toxic heavy metal ions such as cadmium, arsenic, manganese, cesium, aluminum, iron, cobalt, nickel, chromium, mercury, lead, copper, zinc, beryllium, antimony, thallium, bismuth, osmium, tin, molybdenum, zirconium, titanium, vanadium, molybdenum, and gallium.

The present application relates to a kind of radiotherapy sensitization microneedle and its preparation method and application, belong to biological medicine technical field.The radiotherapy sensitization microneedle of the present application includes hyaluronic acid and nano radiosensitizer;The radiotherapy sensitization microneedle is obtained by drying after hyaluronic acid and nano radiosensitizer solution are mixed;The nano radiosensitizer solution is prepared by the following method: hafnium salt, 1,1'-ferrocene dicarboxylic acid and benzoic acid are mixed in organic solvent and stirred, centrifugal;The supernatant obtained is dialyzed, extracted, and the liquid phase obtained after solid-liquid separation is nano radiosensitizer solution.The radiotherapy sensitization microneedle of the present application is applied to the growth inhibition and radiotherapy sensitization of mouse melanoma cell B16F10 cell, can fully play the role of radiotherapy sensitization while overcoming the limitation of prior art, and preparation route is simple, and have certain conversion prospect.

The application belongs to the technical field of compound synthesis, and particularly relates to an alpha-ketoamide derivative and a preparation method thereof, wherein the preparation method of the alpha-ketoamide derivative comprises the following steps: S1, first, a graphite carbon rod electrode and a platinum sheet electrode are respectively assembled on two sides of a 10mL three-port glass bottle; S2, then, a magnetic son is added into the three-port glass bottle, the bottle mouths on two sides are sealed, the three-port glass bottle is transferred to a glove box for feeding, and benzoylformic acid, morpholine and 10mol% of ferrocene in 4mL hexafluoroisopropanol are sequentially added; S3, after the feeding is completed, the last bottle mouth of the three-port glass bottle is sealed, and a constant current of 3mA is introduced for electrolysis. The application realizes the amination reaction of alpha-keto acid by using an electrocatalytic decarboxylation strategy, selectively synthesizes alpha-ketoamide derivatives, and the reaction is suitable for primary amine compounds, secondary amine compounds, is also suitable for aromatic and aliphatic alpha-keto acids, and excellent functional group tolerance is exhibited.

The invention discloses an iron-doped SiCw wave-absorbing material and a preparation method thereof.The preparation method comprises the steps that 20 ml of high-hydrogen-content silicone oil is taken through a measuring cylinder and put into a large beaker, a certain amount of chloroplatinic acid alcoholic solution is added to serve as a catalyst, and the chloroplatinic acid alcoholic solution is evenly dissolved in the high-hydrogen-content silicone oil through magnetic stirring; the preparation method comprises the following steps: respectively adding 0.001 mol of ferrocene, 0.001 mol of Fe2O3, 0.001 mol of reduced iron powder and 0.001 mol of Fe3O4 into four different iron-containing addition materials, uniformly stirring, putting the four prepared solutions into a constant-temperature drying box at 120 DEG C, standing for crosslinking, putting the prepared solid into an electric powdering machine for powdering after all the solutions are crosslinked into a solid, and sieving the prepared powder through a 40-mesh standard sieve, so as to obtain the iron-based composite material. And grinding the unsieved particles by a mortar, and sieving again to obtain the final powder.

The invention relates to a method for co-processing low-flash-point low-calorific-value waste liquid in a cement kiln, and belongs to the technical field of environmental protection. The low-flash-point low-calorific-value waste liquid is conveyed to a pressure-stabilizing and flow-stabilizing tank and then is stably output to a low-pressure gasification preheater; the low-pressure gasification preheater is used for heating the waste liquid by utilizing low-grade waste heat of the cement kiln system and gasifying the waste liquid; the gas-liquid mixed phase is conveyed to a kiln head cover nozzle and a decomposing furnace nozzle through a special conveying pipeline, and heat energy is released and thoroughly decomposed; the inner wall of the special conveying pipeline is coated with a malonyl urea-epoxy resin composite coating; the malonyl urea-epoxy resin composite coating is prepared from epoxy resin, malonyl urea, methylbenzene, amino ferrocene and additional amino ferrocene; after the flue gas is co-treated by the cement kiln disclosed by the invention, the concentration of benzene and chlorobenzene in the flue gas is remarkably reduced, and the requirements of environment-friendly emission are met.