150 results about "Carbon.organic" patented technology

A redox chemical shuttle comprising an aromatic compound substituted with at least one tertiary carbon organic group and at least one alkoxy group (for example, 2,5-di-tert-butyl-1,4-dimethoxybenzene) provides repeated overcharge protection in rechargeable lithium-ion cells.

This invention belongs to battery field, which relates to ultra-micro compound lithium iron phosphate cathode material with high density and its fabrication method. Said cathode material is prepared by mixing iron salt, lithium salt and phosphates at a P/Li/Fe ratio of 1-1.1:1-1.1:1-1.1, adding conductive additives containing dopant element and carbon-bearing organic compound, adding organic acid as carrier, adjusting pH, controlling solution temperature in reactor to form sol, separating the sol to obtain nano-precursor and placing it into micorwave oven under protection of inert gas, and obtaining the final product. It is easy to control the chemical component, phase composition and particle size distribution. The conductive additive can be well-distributed. The method also has the advantages of short reaction time, low energy consumption during synthesis process and low cost. The obtained composite has high purity and good compatibility with electrolyte, excellent conductive property and charge and discharge property with large current, and good structure stability,thermal stability and cycle performance.

The invention discloses a method for preparing an UHTC (Ultra-High Temperature Ceramic) matrix composite material through modification of a UHTC powder basal body. The method comprises the steps of: introducing UHTC powder and a carbon organic precursor into C/SiC with a gas hole ratio of 30 vol% to 40 vol% by adopting a vacuum pressure impregnation way; and performing in-situ reaction on melting silicon and splitting carbon in the basal body, and compacting the material through the combination of RMI (Reactive Melt Infiltration) so as to prepare a C/SiC-UHTC composite material. For one aspect, the SiC basal body protects fibers from being eroded by the melting silicon so as to improve mechanical properties of the material as the C/SiC with the gas hole ratio of 30 vol% to 40 vol% is adopted as a prefabricated body; and for the other aspect, a certain amount of the UHTC powder is introduced into the prefabricated body to improve anti-ablation performances.

The invention discloses a biological carbon organic fertilizer and a preparation method thereof. The biological carbon organic fertilizer comprises, by weight, 32.12%-34.60% of biological carbon, 62.83%-64.12% of organic matter and 2.28%-5.05% of trace elements, and preferably biological carbon produced form flue-cured tobacco stalk. According to the invention, characteristics of the biological carbon prepared from flue-cured tobacco stalk are fully utilized to produce a novel fertilizer with a variety of effects, so as to increase the utilization rate of fertilizer, and improve the absorption and utilization of trace elements by crops. A reasonable and scientific approach for utilization of tobacco stalk is also provided to reduce the environmental pressure of planting area, has good economic benefit, social benefit and ecological benefit, and can enhance the yield and quality of crops.

The invention discloses a method and device for treating nondegradable organic waste gas by combining low-temperature plasma with organisms. After being collected, organic waste gas is sequentially treated through a low-temperature plasma reactor and a biological treatment reactor and finally exhausted to the atmosphere through a chimney. In the low-temperature plasma reactor, polycyclic aromatichydrocarbon, halogenated hydrocarbon, heterocycle compounds and an organic nitrile compound which are insoluble in water and nonbiodegradable are oxidized into low-carbon organic acid, alcohol, esterand other organic compounds which are soluble in water and biodegradable by utilizing substances with strong oxidizing property, such as O3, OH., H2O2, O. and high-energy electrons generated by high voltage discharge. In the biological treatment reactor, the organic acid, the alcohol, the ester and other organic compounds are further converted into CO2, H2O and other inorganic compounds under theaction of microorganisms. Through the treatment, the total purification efficiency of nondegradable organic compounds containing benzene, methylbenzene, dimethylbenzene, phenol and the like in waste gas can be up to over 90 percent.

The invention relates to a stratum opener agent which is applied to oilfield low permeability reservoir. The stratum opener agent comprises two parts: pre-disposal liquid and acid inhibitor system; according to the weight percentage, the pre-disposal liquid consists of solvent and surfactant as follows: 1-3% of organic solvent such as higher alcohol, 0.2-1% of non-ionized surfactant polyoxyethylene alkylolamide, 0.3-0.5% of tenthfive alkyl sulfonate, and the residual quantity of stratum water; according to the weight percentage, the acid inhibitor system comprises 5-10% of low-carbon organic acid, 1-3% of hydrofluoric acid, 0.5% of inhibitor thio-phosphate imidazoline polyoxyethylene ether, 1% of adsorption inhibitor and the residual quantity of water; the adsorption inhibitor comprises 0.5-2% of ethyl dimethylene-bi-cetyltrimethylammonium ammonium bromide, 0.2-1% of quaternary ammonium salt small kation, 2-5% of inorganic salt, 0.2% of 1,3-amine group propyl alcohol N-methyl sodium phosphate or potassium dihydrogen phosphate or sodium hexametaphosphate. The opener agent can effectively improve the seepage capability of reservoir and achieve the objects of decompression and augmented injection and improving the yielding.

The invention provides a method for gasifying carbonaceous organic materials. The method comprises a co-gasification step of simultaneously gasifying a slurry carbonaceous organic material and a powder carbonaceous organic material in a same gasification furnace according to a certain proportion, and a co-gasification fine adjustment step of adjusting the material conveying proportion of a gasifying agent, the powder carbonaceous organic material and the slurry carbonaceous organic material according to the coal gas temperature at an outlet of the gasification furnace. The invention also provides a gasification furnace used in the method for gasifying the carbonaceous organic materials, and the gasification furnace comprises a temperature feedback control module. By adopting the method and the gasification furnace provided by the invention, the consumption of water is reduced, the gasification efficiency is improved, the reaction temperature of the gasification furnace is improved at the same time, and then a number of gasification raw materials which can not be gasified by the prior art due to a high ash fusion point can be gasified, so that the selection range of coal types can be improved through the method and the gasification furnace provided by the invention. Furthermore, by adopting the gasification furnace, the injection ratio of the gasifying agent to each gasification raw material according to the temperature of the outlet coal gas can be adjusted, so that the fine adjustment of co-gasification can be realized.

The invention relates to a method for preparing anatase-phase titanium dioxide sol. The method comprises the following steps: preparing a titanium-containing inorganic substance into aqueous solution; heating the aqueous solution to 40 to 100 DEG C; dripping inorganic base solution to be taken as precipitant and keeping the temperature for 2 to 24h to obtain white titanium dioxide hydrated precipitate; washing the precipitate with deionized water to obtain gelatinous hydrated titanium dioxide; adding two-carbon organic acid solution, stirring, performing ultrasonic dispersion for 2 to 48h and peptizing; and performing hydrothermal treatment on the obtained sol for 1 to 24h in a hydrothermal kettle at the temperature of 100 to 200 DEG C, wherein the crystallinity and crystallite dimension of the titanium dioxide in the sol can be regulated. The preparation method has the advantages of simplicity, low cost, wide raw material resources and good application prospects and is suitable for industrial production; moreover, the crystallite dimension of the prepared titanium dioxide sol is the dimension of a few of nanometers, therefore the problem of fast growth of crystallites caused by phase change in the high-temperature calcination and crystallization of amorphous titanium dioxide sol is solved.

The invention provides biogas residue-biological carbon organic compound fertilizer and a preparation method thereof. The biogas residue-biological carbon organic compound fertilizer is prepared from the following raw materials: biogas residue, biological carbon, conventional fertilizer, a mineral powder adhesive, a compound microorganism bacterium agent, a granulation adhesive and a film coating material; the preparation method of the compound fertilizer comprises the following steps: carrying out high-temperature cracking on straws to prepare the biological carbon; collecting the biogas residues which are generated in an anaerobic fermentation process of organic wastes; after mixing the prepared biological carbon with the biogas residues and the conventional fertilizer and melting, granulating; carrying out screening and film coating on grains to prepare the biogas residue-biological carbon organic fertilizer. The organic compound fertilizer provided by the invention sufficiently utilizes the residual straws and biogas residues and has the advantages of slowly releasing the fertilizer, improving soil, fixing carbon and reducing emission and the like; the biogas residue-biological carbon organic compound fertilizer is nutritional and is scientifically matched; when the biogas residue-biological carbon organic compound fertilizer is matched with conventional chemical fertilizer and then is applied, the fertilizer efficiency and the utilization rate can be further improved and the yield and quality of crops are remarkably improved. The method provided by the invention has the advantages of relatively low cost, a simple and feasible proces, and is suitable for large-scale popularization.

The invention provides a culture medium for selenium-rich organic edible fungi, which is mainly prepared from the following raw materials in parts by mass: 60-90 parts of culture main material, 10-25 parts of carbon organic fertilizer, 1-5 parts of selenium-rich nutrient element, 1-6 parts of root irrigation culture agent, 0.2-0.5 part of compound probiotic fertilizer and 0.1-0.5 part of plant growth promoter. The method for culturing selenium-rich organic edible fungi by using the culture medium comprises the following steps: mixing the plant growth promoter and compound probiotic fertilizer, and dissolving in water to prepare a liquid; mixing the rest raw materials, adding the liquid, and fermenting to obtain the culture medium; and uniformly mixing a strain with the culture medium for inoculation, culturing for 10-15 days until the hypha are overgrown, and reinoculating the hypha. The culture medium has the advantages of reasonable component proportioning and high growth speed of hypha.

The invention belongs to the field of preparation of semiconductor materials and in particular relates to a method for preparing a graphene strip by adopting low-temperature chemical vapour deposition. The method provided by the invention comprises the following steps of: firstly carrying out electrolytic polishing on a copper foil, then placing the copper foil into a quartz tube reactor, annealing under the condition of hydrogen, and then adjusting flow velocity of the hydrogen to be 2.4-3.0sccm and introducing a liquid carbon source at the temperature of 500-580 DEG C, and growing a graphene strip on the copper foil while pressure is controlled to be 2.0-10.0Torr and growth time is controlled to be 10-50 minutes, so that the graphene strip growing on the copper foil is obtained. According to the method, the copper foil subjected to electrolytic polishing is adopted, so that chemical activity of the surface of the copper foil is higher; and the adopted carbon source is a carbon-containing organic solvent which has the characteristics of aromatic compounds and aliphatic compounds and the characteristics between the characteristics of the aromatic compounds and the characteristics of the aliphatic compounds, and compared with a gas carbon source commonly used in the prior art such as methane, the carbon-containing organic solvent is more beneficial to low-temperature growth of the graphene strip.

The invention discloses a preparation method of a hydrogenation catalyst. The hydrogenation catalyst takes activated carbon as a carrier, and adopts palladium as an active metal component. The catalyst has a palladium content of 0.1wt%-0.7wt%. An impregnation method is employed to prepare the catalyst. Specifically, a palladium-containing impregnation solution is prepared by: dissolving palladium acetylacetonate in an organic solvent, and using a low carbon organic carboxylic acid to regulate the pH value of the impregnation solution. The method adopts a special process to prepare the palladium acetylacetonate impregnation solution, can make palladium crystal grains highly dispersed and loaded on the inner and outer surfaces of the activated carbon carrier, and at the same time, no inorganic ion is introduced, no high-temperature roasting is needed, and migration and grain growth of the palladium metal are effectively controlled, thus improving the activity and selectivity of the catalyst. Moreover, the utilization rate of noble metal palladium is enhanced, noble metal waste is avoided, and the cost is reduced. The hydrogenation catalyst is applicable to a selective hydrogenation process of unsaturated C4 hydrocarbon fraction. The polymerization reaction of unsaturated hydrocarbon on the catalyst surface can be effectively inhibited, and the service life of the catalyst is prolonged.

The invention provides a kind of low cost deodorization desiccant, the proportion is: coal ash 45í½75%, plaster (CaSO4) 18í½53%, lime 2í½7%. 0.1íÙí½0.4íÙ activating agent, the ingredients are: CaO 67í½70%, MgO10í½12%, Al2O3 2í½5%, SiO2 10í½15%, Fe2O3 0.12í½0.3%, K2O0.2í½2.5%. Besides, the activating agent also may has other calcium salt, carbon organic compound. Adds 30í½45 water into 100 compound and forms them into column with radius of 3í½10mm, and length of 5~30mm, and then they are dried into product.

The combination of any two of a polyol, a polyol ether, and a low carbon organic alcohol provides a synergistic effect on the solubility of azole compounds, such as metronidazole, in aqueous fluid.

The invention provides a method for treating organic sewage. The organic sewage enters the reactor from the lower part of the reactor, and the reactor is filled with iron and carbon; Reduction degradation; a microporous aeration system is installed at the bottom of the reactor, and ozone is passed into the reactor from the bottom of the reactor through the microporous aeration system, and a liquid oxidant is added into the reactor through the lower part of the reactor. , ozone and liquid oxidant to complete the treatment of organic sewage. The present invention also provides a sewage treatment device using the above treatment method. The method and the treatment device of the invention have good treatment effect on organic sewage, wide application range of pH, overcome the defect that iron and carbon are easy to agglomerate, and reduce operating cost.

The invention provides a method for preparing Cu2ZnSn(S,Se)4 solar cell absorbing layer film by using mercaptan-based ink, belonging to the technical field of a solar cell absorbing layer film. The method comprises the steps of (a) stable precursor solution preparation under an air condition, (b) the preparation of a precursor film by using a spinning coating method, (c) drying, (d) multiple times of spinning coating and drying and (e) annealing processing. According to the film preparation method, the use of expensive original materials and devices is not needed, mercaptan which is a volatile, low carbon organic compound is taken as a solvent, and a problem of the introduction of carbon and oxygen elements in the previous copper zinc tin sulfide nanocrystal synthesis process can be overcome. The controllability of each process step is good, the preparation of the absorbing layer film with large grains, density and good photoelectric performance is facilitated, the process is simple, the repeatability is strong, and the large-scale production is easy to realize.

The invention discloses a method for extracting antimony from lead anode mud. The method comprises the steps of lead anode mud waste residue treatment, anode mud efficient leaching, purification of leaching liquid, electrodeposition antimony extracting of the purification liquid and the like. During leaching, mixed liquid of alcohol-ester-base-contained low carbon polyhydric alcohol organic matter and sodium hydroxide is used; the concentration of the sodium hydroxide and the concentration of the polyhydric alcohol low carbon organic matter in the leaching liquid are 50-300 g/L respectively; the ratio of the volume (mL) of the alkaline leaching liquid to the weight (g) of the lead anode mud is 3 : 1-8 : 1; leaching temperature is 20-93 DEG C; and leaching time is 0.5-5 h. In the leaching process, at least 90% of elements such as lead, antimony, bismuth, copper and arsenium in the anode mud can enter the leaching liquid; ions such as copper, lead, bismuth and arsenium in the leaching liquid, sulfide and calcium salt form insoluble precipitate to purify the leaching liquid. The leaching liquid is used as raw materials for carrying out electrodeposition antimony extracting in an electrolytic cell; cell voltage is 1.6-3.2 V; current efficiency can reach at least 55%. The method is simple; equipment cost is low; operation is convenient; purification residues obtained in the production process and electrodeposition liquid can be further recycled.

The invention provides a preparation method of an in-situ defect modified Co9S8-porous nitrogen-doped carbon electrode. The method comprises the steps of: dissolving cobalt salt, Tx-100, aniline and other carbon-containing organic matters in a volatile non-aqueous solvent, and adding thiourea as a sulfur source to obtain a Co-C-S precursor solution; and coating a carbon substrate with the precursor solution, performing drying and then annealing in Ar or N2 airflow to obtain an in-situ cobalt sulfide-carbon electrode, and continuously carrying out CVD calcination annealing on the in-situ cobaltsulfide electrode under dicyandiamide airflow to finally form the in-situ defect modified Co9S8-porous nitrogen-doped carbon electrode. The product obtained by the technical scheme provided by the invention has the advantages of the low equipment requirement, the low cost of required raw materials, the easily controlled reaction conditions, the simple production process, the good consistency of the formed product, the small environmental pollution and the like, and can be used for multifunctional electrocatalysts of OER and ORR.

The invention relates to a formula and preparation method of a 200 DEG C temperature and salt resistant drilling fluid with strong inhibition and high density. The formula is characterized in that in the formula, a high temperature salt resistant shear strength improving agent is a silicate modified substance; fluid loss additives A and B are products with carbon-carbon chains main chains and sulfonic acid groups, pyrrolidone groups or alkane groups as branched chains; an inhibiting/anti-collapse agent is a modified natural vegetable pitch derivative with a high softening point; an inhibiting/lubricating agent is a high polymer nonionic surfactant; and a water soluble heavy weight additive is a compound of low carbon organic acid salts of alkali metals, organic acid ammonium and organic acid quaternary ammonium. The preparation method is characterized by successively adding corresponding components with determined concentrations to the fresh water at a certain stirring speed according to the formula, thus obtaining the drilling fluid. The formula and the preparation method have the following beneficial effect: the problems of difficulty in control of viscosity, high fluid loss, low solid phase capacity and poor pollution resistance of the drilling fluid with high density are solved.

The invention provides sludge-biological carbon organic compound fertilizer and a preparation method thereof. The sludge-biological carbon organic compound fertilizer is prepared from the following raw materials: sludge, biological carbon, a mineral powder binding agent, a compound microorganism bacterium agent, a granulation binding agent and a film coating material; the preparation method of the compound fertilizer comprises the following steps: carrying out high-temperature cracking on crop straws to prepare the biological carbon; after mixing the sludge with the straws and composting, dehydrating, sterilizing and curing; removing heavy metal elements by utilizing a biological leaching method; after mixing and melting the prepared sludge and the biological carbon according to a reasonable ratio, melting and granulating; carrying out screening and film coating on grains to prepare the sludge-biological carbon organic compound fertilizer. The compound fertilizer provided by the invention sufficiently utilizes a lot of residual sludge and straw resources and has the advantages of fertilizer slow release, soil improvement, carbon fixation and emission reduction and the like; the nutrient matching is reasonable; after the sludge-biological carbon organic compound fertilizer is matched with conventional compound fertilizer and is applied, the fertilizer efficiency and the utilization rate can be effectively improved and the yield and quality of crops are remarkably improved. The method provided by the invention has relatively low cost and a feasible process and is suitable for large-scale popularization.

The invention relates to a supercritical sludge treatment system, comprising a supercritical sludge treatment device as well as a sludge conveying device and a carbonaceous organic material adding device respectively communicated with the supercritical sludge treatment device, wherein the carbonaceous organic material adding device comprises a pressure device communicated with the supercritical sludge treatment device and a buffer pot connected with the pressure device. The aim of the supercritical sludge treatment system is that when the caloric value of sludge slurry is low in supercritical reaction, the caloric value of reactant burning is improved by a method of supplementing powdered carbonaceous organic materials to the sludge slurry, thereby increasing the sludge treatment capacity and improving the sludge treatment efficiency of a supercritical reactor. The invention also relates to a supercritical sludge treatment method.