47 results about "Leonardite" patented technology

Provided is a method of producing isolated graphene sheets from a supply of coke or coal powder containing therein domains of hexagonal carbon atoms and / or hexagonal carbon atomic interlayers. The method comprises: (a) dispersing particles of the coke or coal powder in a liquid medium containing therein an optional surfactant or dispersing agent to produce a suspension or slurry, wherein the coke or coal powder is selected from petroleum coke, coal-derived coke, meso-phase coke, synthetic coke, leonardite, anthracite, lignite coal, bituminous coal, or natural coal mineral powder, or a combination thereof; and (b) exposing the suspension or slurry to ultrasonication at an energy level for a sufficient length of time to produce the isolated graphene sheets.

A method for comprehensively processing coal-type caustobiolites, predominantly brown coal and leonardite, into humic organic and organomineral fertilizers and intor preparations producing fuel briquettes, including carrying out main processes in a continuous flow; carrying out leaching processes based on aqueous solutions with hydromodules of close to 2, carrying out acidification processes with the formation of humic acid released from a liquid phase into a heavy phase of a coagulated pulp, carrying out mechanical phase separation processes in a centrifugal field, carrying out liquid-phase mechanoactivation and the dispersion of reaction compositions via grinding, using residual “water” in recycling, and including the production of water-soluble humic acids and fuel briquettes and allowing for the production of a wide range of products; preliminarily grinding raw materials to a 03 mm class, and cleaning and electrochemically softening water in preparing reaction aqueous solutions; using a liquid-phase raw material oxidation process, and using liquid-phase mechanoactivation and / or mechanochemical activation, with the dispersion of reaction compositions by means of grinding and by means of dynamically shifting layers having statistical shift rate components, of a medium to be processed, which range from single-digit meters per second to tens of meters per second; accompanying said mechanoactivation with the dosed input into said medium of 1040 MJ of mechanical energy per cubic meter, with the stabilization of said dosing regardless of the drift of all other parameters in said medium to be processed; wherein, said grinding and shifting processes are formed by means of statistical and dynamic characteristics; in this way, a dynamic hydro-pulse effect on a medium to be processed is carried out within a range of frequencies floating between infrasound and frequencies bordering on ultrasound, wherein the processing is carried out beginning with higher frequencies; in addition, providing for automatically maintaining maximum parameters for inputting mechanical energy into the medium to be processed, while automatically restricting same within a sub-cavitation zone in order to prevent the transition of the mechanochemical reactors into cavitation modes.

A fungicidal composition for controlling fungal diseases in plants, which includes a fungicide, and a complex organic composition derived from natural organic materials. The organic composition may comprise a humic acid composition, a fulvic acid composition, a humin component composition, mixtures thereof or other extracts from natural organic materials such as leonardite, lignite, peat, shale, sediments and soil. The fungicidal composition includes a phosphorus-containing compound such as phosphorous acid, a phosphite salt, and a phosphate salt or mixtures thereof. The preferred embodiments of the compositions provide enhanced control of select fungal diseases in plants as well as enhanced plant nutrient uptake abilities. The invention also includes processes for producing the fungicidal compositions and methods for applying the fungicidal compositions to plants.

An organic soil ameliorant and its production are disclosed. The process is carried out by mixing leonardite 50í½70wt% and castor shell 20í½45wt% with ground phosphate rock 5í½10wt% and fermenting. It is simple and costs low. It can be used for the improvement of saline-alkali soil and low-yield filed.

Provided is a process for producing a graphene-based supercapacitor electrode from a supply of coke or coal powder, comprising: (a) exposing this powder to a supercritical fluid for a period of time in a pressure vessel to enable penetration of the supercritical fluid into internal structure of the coke or coal; wherein the powder is selected from petroleum coke, coal-derived coke, meso-phase coke, synthetic coke, leonardite, anthracite, lignite coal, bituminous coal, or natural coal mineral powder, or a combination thereof; (b) rapidly depressurizing the supercritical fluid at a fluid release rate sufficient for effecting exfoliation and separation of the coke or coal powder to produce isolated graphene sheets, which are dispersed in a liquid medium to produce a graphene suspension; and (c) shaping and drying the graphene suspension to form the supercapacitor electrode having a specific surface area greater than 200 m2 / g.

Provided is a method of producing graphene-based supercapacitor electrode from a supply of coke or coal powder. The method comprises: (a) dispersing particles of the coke or coal powder in a liquid medium containing therein an optional surfactant or dispersing agent to produce a suspension or slurry, wherein the coke or coal powder is selected from petroleum coke, coal-derived coke, meso-phase coke, synthetic coke, leonardite, anthracite, lignite coal, bituminous coal, or natural coal mineral powder, or a combination thereof; (b) exposing the suspension or slurry to ultrasonication at an energy level for a sufficient length of time to produce a graphene suspension having isolated graphene sheets dispersed in the liquid medium; and (c) shaping and drying the graphene suspension into the supercapacitor electrode in a film, filament, rod, or tube form that is porous and has a specific surface area greater than 200 m2 / g.

The present invention provides a method of producing a pelletized composition containing leonardite, sedimentary rock and gypsum. The method calls for pre-mixing the humic substance and the sedimentary rock for at least two weeks to yield a developed mixture prior to addition of other materials such as gypsum and pelletizing and drying the pellets to produce the final product. The invention also includes several pelleted compositions containing leonardite, rock phosphate and gypsum. In one aspect of the invention the rock phosphate comprises a mixture of sedimentary rock phosphate and igneous rock phosphate. In another aspect of the invention, the igneous rock phosphate comprises carbonatite and the sedimentary rock phosphate comprises phosphorite.

On the basis of original wet production process said invention adopts full-sealed electric heat energy temp.-controlled reaction still and makes the leonardite undergo the processes of selection, purification, colloid milling and ultrasonic treatment, and adds the related chemical raw material to make reaction so as to obtain the invented product humic acid.

The invention relates to the field of chemical product production, in particular to a production and preparation process for fulvic acid. The production and preparation process is characterized in that a raw material lignite for preparing the fulvic acid is smashed into 80 mesh and added into warm water at the temperature of 49 DEG C to 51 DEG C, and the ratio of the dry weight of the lignite powder to the weight of the water is 1:(18-22), H2O2 is slowly added in a stirring state, the adding rate of H2O2 is limited by the reaction temperature lower than 65 DEG C, and the mass ratio of the lignite powder to H2O2 is 1:(0.68-0.72); after lignite is subjected to an oxydrolysis reaction, the mixture is subjected to solid-liquid separation and dried, and a fulvic acid product is obtained. The production and preparation process has the advantages that the leonardite is adopted as the raw material, so that the production cost is low; hydrogen peroxide is adopted as an oxidizing agent, so that environmental friendliness is achieved, and pollution is avoided; adopted equipment is simple, the production conditions are easy to control, the process route is feasible, the technical index is stable, the production and preparation process is suitable for large-scale industrial production, and the fulvic acid is high in yield and purity; compared with an imported product, the cost is greatly reduced, and conditions are created for full utilization of low-quality coal resources and substituting for imported goods.

Described herein, in the preferred embodiment, is a leonardite-based polyurethane resin binder that may be used, among other applications, as a binder in combination with foundry aggregate, e.g., sand, for molding or casting metal parts. The binders described herein comprise a humic substance, preferably leonardite, combined with a polymerizable isocyanate, a polymerizable polyol, and a polymerization catalyst to make a polyurethane resin binder in situ in a foundry aggregate, such as sand.

Described herein, in a preferred embodiment, is a leonardite-based polyurethane resin binder that may be used, among other applications, as a binder in combination with foundry aggregate, e.g., sand, for molding or casting metal parts. The binders described herein comprise a humic substance, preferably leonardite, first mixed with a foundry aggregate and then the humic-aggregate mixture is combined with a polymerizable polyol, an isocyanate, and a polymerization catalyst to make a polyurethane resin binder in situ in a foundry aggregate, such as sand. The lignite is added as a solid to the foundry aggregate, and improves the binder performance of the lignite-containing part of the binder components.

In some embodiments, a composition and / or method may include a toxin binding system formulated for safe and effective mixture into various feed rations which are fed to monogastric and ruminant animals such as poultry, swine, cows, cattle, and fish, among others. The toxin binding system includes novel combinations of one or more of an organoclay, an activated hydrated sodium calcium aluminosilicate clay, and a synthetic hectorite clay. In some embodiments, the binding composition may include organoclay, bentonite, hectorite, Leonardite, and / or any combination thereof. The toxin binding complex may effectively bind mycotoxins, endotoxins and some pesticides in the animal's digestive system, preventing their absorption and the consequent damages to the animal. This binding action includes the T-2 toxin, which can start their damaging action in the animal's mouth, hence, offering protection from oral lesions.

Provided is a process for producing a graphene-based supercapacitor electrode from a supply of coke or coal powder, comprising: (a) exposing this powder to a supercritical fluid for a period of time in a pressure vessel to enable penetration of the supercritical fluid into internal structure of the coke or coal; wherein the powder is selected from petroleum coke, coal-derived coke, meso-phase coke, synthetic coke, leonardite, anthracite, lignite coal, bituminous coal, or natural coal mineral powder, or a combination thereof; (b) rapidly depressurizing the supercritical fluid at a fluid release rate sufficient for effecting exfoliation and separation of the coke or coal powder to produce isolated graphene sheets, which are dispersed in a liquid medium to produce a graphene suspension; and (c) shaping and drying the graphene suspension to form the supercapacitor electrode having a specific surface area greater than 200 m2 / g.

The present invention relates to a humic acid composite fertilizer and its production method. Its composition is composed of (wt%) 30-70% of leonardite containing 50-75% of human acid, 10-40% of urea, 3-15% of phosphoammonium, 0-30% of potassium chloride, 0-30% of potassium sulfate, 0-10% of potassium hydroxide, 0-12% of potassium carbojnate and 0-3% of trace element. Its production method includes the following steps: pulverizing leonardite, making activating agent, activating leonardite, pulverizing raw materials, mixing them uniformly so as to obtain the invented humic acid composite power fertilizer product, granulating to obtain granular fertilizer product which can improve crop quantity, reduce nitrate content of agricultural product, raise saccharide content and vitamin content and improve soil.

Provided is a process for producing isolated graphene sheets from a supply of coke or coal powder containing therein domains of hexagonal carbon atoms and / or hexagonal carbon atomic interlayers. The process comprises: (a) subjecting the supply of coke or coal powder to a supercritical fluid at a first temperature and a first pressure for a first period of time in a pressure vessel and then (b) rapidly depressurizing the supercritical fluid at a fluid release rate sufficient for effecting exfoliation and separation of the coke or coal powder to produce isolated graphene sheets, wherein the coke or coal powder is selected from petroleum coke, coal-derived coke, meso-phase coke, synthetic coke, leonardite, anthracite, lignite coal, bituminous coal, or natural coal mineral powder, or a combination thereof.

In some embodiments, a composition and / or method may include a toxin binding system formulated for safe and effective mixture into various feed rations which are fed to monogastric and ruminant animals such as poultry, swine, cows, cattle, and fish, among others. The toxin binding system includes novel combinations of one or more of an organoclay, an activated hydrated sodium calcium aluminosilicate clay, and a synthetic hectorite clay. In some embodiments, the binding composition may include organoclay, bentonite, hectorite, Leonardite, and / or any combination thereof. The toxin binding complex may effectively bind mycotoxins, endotoxins and some pesticides in the animal's digestive system, preventing their absorption and the consequent damages to the animal. This binding action includes the T-2 toxin, which can start their damaging action in the animal's mouth, hence, offering protection from oral lesions.

The invention discloses a multifunction soil conditioner and a preparation method thereof. The multifunction soil conditioner takes leonardite as a main raw material, and is produced by a biochemical extraction process of about 120 days. The soil conditioner provided in the invention can effectively improve the soil environment, help aerobiont growth, shield salt in high-alkali or high-sodium soil, improve the effectiveness of plant nutrition, and stimulate root growth and depth extension. The soil conditioner disclosed in the invention can improve saline-alkali soil, improve soil breathability and water retention, stimulate formation of organic matters, and increase the number of beneficial microorganisms in the soil. In addition, the soil conditioner has the advantages of low dosage and convenient use, thereby greatly saving labor force and reducing cost.

Described herein, in the preferred embodiment, is a leonardite-based polyurethane resin binder that may be used, among other applications, as a binder in combination with foundry aggregate, e.g., sand, for molding or casting metal parts. The binders described herein comprise a humic substance, preferably leonardite, combined with a polymerizable polyol, an isocyanate, and a polymerization catalyst to make a polyurethane resin binder in situ in a foundry aggregate, such as sand. The lignite is mixed with the polymerizable polyol and dispersing agents as additives to improve the suspension quality and binder performance of the lignite-containing part of the binder components.

A method of producing graphene sheets from coke or coal powder, comprising: (a) forming an intercalated coke or coal compound by electrochemical intercalation conducted in an intercalation reactor, which contains (i) a liquid solution electrolyte comprising an intercalating agent; (ii) a working electrode that contains the powder in ionic contact with the liquid electrolyte, wherein the coke or coal powder is selected from petroleum coke, coal-derived coke, meso-phase coke, synthetic coke, leonardite, lignite coal, or natural coal mineral powder; and (iii) a counter electrode in ionic contact with the electrolyte, and wherein a current is imposed upon the working electrode and the counter electrode for effecting electrochemical intercalation of the intercalating agent into the powder; and (b) exfoliating and separating graphene planes from the intercalated coke or coal compound using an ultrasonication, thermal shock exposure, mechanical shearing treatment, or a combination thereof to produce isolated graphene sheets.