32 results about "CALCIUM CARBONATE/MAGNESIUM CARBONATE" patented technology

Disclosed is an additive for a plastic, comprising fine particles obtained by calcination and slaking of a dolomite which exhibits two endothermic peaks in the differential thermal analysis, said fine particles containing calcium carbonate, magnesium carbonate, magnesium oxide, calcium hydroxide and magnesium hydroxide as main chemical components and also containing an ignition loss component in an amount of 10 to 40% by weight based on the weight of said fine particles. A plastic hating hydrogen chloride scavenging properties and antimicrobial properties imparted by incorporating the additive for a plastic is also disclosed.

The invention provides a healthy common salt which is prepared by crude salt, calcium carbonate, magnesium carbonate, propylene glycol, potassium iodate, ferric citrate, ferric ammonium citrate, sodium selenite and zinc sulfate according to weight ratio; the invention further provides a production process of the healthy common salt: dissolving the propylene glycol, the ferric citrate and the ferric ammonium citrate in water, and dissolving the potassium iodate, the sodium selenite and the zinc sulfate in another water; respectively continuously spraying the two types of solution on the crude salt distributed on a conveyor belt through a nozzle; continuously feeding the crude salt into a boiling drying bed, drying at the temperature of 75-85 DEG C, leading the water to be not more than 0.2%, and feeding into the conveyor belt; mixing the calcium carbonate with the magnesium carbonate, and adding on the crude salt which is distributed on the conveyor belt and fed onto the conveyor belt after drying through a quantitative feeder; feeding the crude salt with auxiliary materials into a rotary mixer, and fully mixing; and packaging, and warehousing after passing the detection. The healthy common salt has good loose effect, convenient storage and transportation, difficult deliquescence and consolidation and high nutritional value, thereby being consistent with the declaration of national green food certification and meeting the requirements on foreign foods and domestic green foods.

The present invention discloses a beauty dispersible tablet compound preparation for helping woman delay senescence and a preparation method thereof. The beauty dispersible tablet compound preparation includes the following active ingredients: collagen, a variety of antioxidants, composite vitamins, composite mineral substances and auxiliary materials. A variety of the antioxidants include grape seed extract (anthocyanin), lycopene, vitamin E and vitamin C. The composite vitamins include beta-carotene, vitamin A, vitamin D3, lutein, folic acid, vitamin B1, vitamin B2, vitamin B6 and vitamin B12 (1%). The composite mineral substances include zinc gluconate, calcium carbonate, magnesium carbonate, ferrous fumarate and selenium yeast. The auxiliary materials include an excipient, a disintegrating agent, a lubricant, a sweetener, a colouring agent and an essence.

The invention relates to an external refining method for microalloy steel and special steel, in particular to a compound sphere for external refining desulphurization and fine inclusion removal and a preparation method thereof. The compound sphere is the preferred compound sphere for refining desulphurization and fine inclusion removal of various microalloy steel or special steel. The compound sphere consists of a spherical core and a shell, wherein, the spherical core mainly comprises low melting point premelting slag powder, calcium carbonate, magnesium carbonate or a mixture of the calcium carbonate and the magnesium carbonate; and the shell mainly comprises one of calcium oxide or magnesium oxide or a mixture of the calcium oxide and the magnesium oxide. The method has scientific formula and simple and reasonable process, can effectively remove inclusions in molten steel, can realize the quick refining desulphurization of the molten steel until the content of sulfur is lower than 0.0030 percent proven by application, is high in efficiency, steady and short in time, can meet the requirements of different molten steel on the content of the sulfur, greatly improves the quality of refining steel, and reduces smelting cost.

The invention discloses low-cost environmentally-friendly interior wall paint which comprises the following components by weight percent: 30-40% of straw powder, 10-15% of calcium carbonate, 10-15% of magnesium carbonate, 10-15% of bentonite, 2-3% of hydroxyethylcellulose, 3-5% of white latex and the balance of water. Because used raw materials are wide in sources and low in cost, and particularly regenerative straw powder has large proportion, the cost of the paint can be greatly reduced, and the paint is environmentally-friendly.

The invention discloses an electroplating nickel-containing wastewater treatment and recovery method, and relates to the field of wastewater treatment. According to the method, carbon dioxide is introduced; on one hand, carbon dioxide and water are mixed to generate bicarbonate ions; the carbonate ions are weak acid, the pH value of the electroplating nickel-containing wastewater can be adjusted to be neutral to weakly acidic; on the other hand, the generated bicarbonate ions react with calcium ions, magnesium ions and aluminum ions to generate calcium bicarbonate, magnesium bicarbonate and aluminum carbonate respectively; calcium bicarbonate and magnesium bicarbonate are hydrolyzed into calcium carbonate, magnesium carbonate and carbon dioxide gas under high temperature; calcium carbonateand magnesium carbonate precipitates are hydrolyzed immediately to generate aluminum hydroxide and carbon dioxide and aluminum hydroxide precipitates due to too weak chemical bonds among aluminum, carbon and oxygen so that calcium ions, magnesium ions and aluminum ions in the electroplating nickel-containing wastewater are removed, and the content of other ions in the recovered nickel solution and the content of metal ions in water after wastewater treatment are reduced.

The invention relates to a novel aluminum oxide metal ceramic sealing element and a preparation method thereof. The novel aluminum oxide metal ceramic sealing element is composed of aluminum oxide, cerium oxide, aluminate, calcium carbonate, magnesium carbonate, wax emulsion, poly(ammonia methacrylate) and kaolin. The novel aluminum oxide metal ceramic sealing element composed of the previous ingredients is improved in both material toughness and uniformity.

The invention discloses an impurity removal process for a lithium sulfate purified liquid, belongs to the technical field of lithium sulfate preparation, and aims to provide an impurity removal process for a lithium sulfate purified liquid to solve the problem that the existing lithium sulfate purified liquid contains small-particle impurities and Ca<2+> impurities of insoluble substances such as calcium carbonate and magnesium carbonate and slightly soluble substances such as calcium sulfate and the quality of subsequent lithium carbonate products is poor. The method comprises the following steps of: (1) filtering by adopting a precision filter, and filtering and intercepting insoluble substances such as calcium carbonate and magnesium carbonate and slightly soluble substances such as calcium sulfate in the lithium sulfate purified liquid; and (2) selectively adsorbing soluble Ca<2+> impurities in the lithium sulfate solution through an ion exchange resin column to finish deep purification of the lithium sulfate purified solution. The method is suitable for impurity removal of the lithium sulfate purification completion liquid.

The invention relates to a production method capable of improving the surface roughness of float glass. After uniformly mixing quartz sand, aluminum oxide, soda ash, calcium carbonate, magnesium carbonate and lithium carbonate, they are sent into a float glass melting furnace, and the float glass The molten glass is melted at high temperature in the melting furnace, and the molten glass flows into the working pool after being clarified and homogenized. The molten glass enters the forming tin tank from the launder in the working pool to form a strip-shaped continuous glass plate. The strip-shaped continuous glass plate is annealed. , Cutting process to make finished glass. The method replaces part of the quartz sand with lithium carbonate and reduces the content of magnesium carbonate by half to overcome and solve the problem of poor flatness in the process of polishing and edge drawing; The reaction process inside the tin bath prevents micro-wrinkles on the surface of the finished glass. The surface roughness of the float glass produced by the above-mentioned production method can reach below 0.004 μm, and the flatness is high.

The invention relates to a power plant boiler desulfurization and denitrification long-life self-cleaning section steel bottom surface primary glaze which comprises the following components in percentage by weight: 55-90% of a main material, and 10-45% of an auxiliary material, the main material comprises the following components in percentage by weight: 50-60 percent of at least one of quartz sand or zircon sand, 10-30 percent of at least one of Fe3Al, FeAl, Fe2Al5 and FeAl3, and 3.2 to 5.2 percent of lithium nickelate; the auxiliary material comprises the following components in percentage by weight: 9.5-11.5 percent of sodium carbonate, 10.22 -12.25 percent of borax, 1-1.6 percent of ice crystal, 5-8 percent of titanium dioxide, 0.3-0.35 percent of manganese oxide, 0.56-0.8 percent of ferric oxide, 1.2-2.6 percent of calcium carbonate, 1-1.6 percent of magnesium carbonate and 0.8-1.2 percent of zinc oxide. According to the power plant boiler desulfurization and denitrification long-life self-cleaning section steel bottom surface primary glaze, fire-resistant and antioxidant components are added so that high-temperature resistance and corrosion resistance are obtained.

The invention discloses a degradable resin coated slow release fertilizer and a preparation method thereof. The preparation method is characterized by comprising the following steps: selecting materials such as diatomite, wood flour, phthalic ester, epoxy resin, grease amide, a cross-linking agent, calcium carbonate, magnesium carbonate, sodium bicarbonate and modified starch, and performing hot melting, uniform mixing and processing to obtain a coating material; materials such as urea particles, a compound fertilizer and a granular potash fertilizer are used as core materials to prepare the degradable resin coated slow-release fertilizer. The production process is simple in method and low in production cost. The degradable resin is selected to coat fertilizer particles, so that fertilizer nutrients can be slowly released, and the utilization rate of the fertilizer is improved; after the nutrients are completely released, the residual coating material in the soil can be completely degraded to become nutrients which can be absorbed by plants, so that the environment is not polluted, and the fertilizer is an environment-friendly fertilizer.

The invention discloses a fluoride-free molten steel purifying agent and a preparation method thereof, and relates to the technical field of steelmaking. The fluoride-free molten steel purifying agent is a composite sphere, the composite sphere is composed of an inner core and an outer shell, the inner core is composed of diatomite, aluminum nitride, Ba-Ti alloy and a silane coupling agent, the outer shell is composed of calcium carbonate, magnesium carbonate and a composite binder, and the mass ratio of the inner core to the outer shell is (1-2): (0.5-2). According to the fluoride-free molten steel purifying agent, raw materials are easy to obtain, the preparation method is simple and easy to operate, the cost is low, inclusions in molten steel can be quickly removed, the functions of slagging, deoxidation, desulfurization and dephosphorization are achieved, and the purification degree of the molten steel is greatly improved; and the diatomite is effectively utilized to purify the molten steel, the production cost is greatly reduced, and the purposes of energy conservation and environmental protection are achieved.

The invention discloses a phillipsite-containing heat preservation brick and a preparation method thereof and belongs to the field of heat preservation bricks. The heat reserving brick is prepared from 60-80 parts by weight of iron ore tailings, 30-50 parts by weight of phillipsite, 25-35 parts by weight of phosphogypsum, 20-30 parts by weight of glass fibers, 15-25 parts by weight of modified diatomite, 10-20 parts by weight of aerated aluminum powder, 5-15 parts by weight of calcium carbonate-magnesium carbonate powder, 10-20 parts by weight of white latex, 8-12 parts by weight of silicon-calcium slag, 1-5 parts by weight of a water reducing agent, 1-5 parts by weight of a hydrophobic agent, 1-3 parts by weight of a foaming agent and 1-3 parts by weight of a foam stabilizer. The preparation method comprises carrying out ball milling on iron ore tailings to obtain powder, mixing all the raw materials, adding water into the mixture, carrying out uniform stirring to obtain slurry, press-molding the slurry, carrying out natural curing, carrying out drying and carrying out high temperature calcination. The preparation method realizes a low heat preservation production cost. The heat preservation brick has good compressive strength, frost resistance, weather resistance, small dry density, strong practical durability, environmental friendliness and broad market prospect.

The invention discloses a high-efficiency, high-crack-resistance high-strength welding rod for a 07MnNiMoDR steel spherical tank. A coating of the high-strength welding rod comprises calcium carbonate, magnesium carbonate, fluorite, cerium fluoride, titanium dioxide, quartz powder, electrolytic manganese, 45-degree ferrosilicon, ferromolybdenum, metal nickel, ferrotitanium, ferroboron, atomized iron powder, rare earth alloy, alginate and a binder. The welding rod is wide in adaptability, can resist long-time heat treatment and can be used for ultra-large heat input welding, the welding seam metal deposition efficiency reaches up to 120%, the melting coefficient is larger than 11 g/A.h, and the welding efficiency of a construction site can be remarkably improved. And deposited metal has high strength, high toughness, ultralow diffusible hydrogen and excellent crack resistance.

The invention relates to the technical field of de-scaled softened water, and discloses a water softening device. The device comprises a reaction tank in a closed state and a flow guide pipe, the reaction tank communicates with a water inlet and a water outlet; a filter material for modifying the lattice structure of ores is arranged in the reaction tank; the first end of the flow guide pipe is positioned outside the reaction tank; the second end of the flow guide pipe penetrates through the water inlet and extends to the bottom of the reaction tank, raw water flows in from the first end and flows out from the second end, the pressure in the reaction tank is increased, the filter material moves upwards under the action of pressure, the raw water is in full contact with the filter material,and calcium ions and magnesium ions in the raw water are converted into calcium carbonate and magnesium carbonate crystals that suspend in the raw water under the catalytic action of the filter material. Through the technical scheme, the calcium and magnesium ions are converted into insoluble micro crystals, the temporary hardness of water is converted into stable calcium carbonate crystals, theformed crystals are stable, and scale accumulation is avoided. The filter material is not needed to be continuously added, equipment cannot be corroded, the service life of the equipment is not shortened, and operators cannot be hurt.

The invention discloses a composite molten steel purifying agent and a preparation method thereof, and relates to the technical field of steelmaking. The composite molten steel purifying agent is a composite sphere, wherein the composite sphere is composed of an inner core and a shell, the inner core is composed of aluminum ash, barium oxide, titanium dioxide and water glass, the shell is composed of calcium carbonate, magnesium carbonate and a composite binder, and the mass ratio of the inner core to the shell is (1-2):(0.5-2). According to the composite molten steel purifying agent, the raw materials are easy to obtain, the preparation method is simple and easy to operate, the cost is low, inclusions in molten steel can be rapidly removed, the functions of slag making, deoxidation, desulfurization and dephosphorization are achieved, and the purification degree of the molten steel is greatly improved. The solid waste slag aluminum ash is effectively utilized, so that the production cost is greatly reduced, and the purposes of energy conservation and environmental protection are achieved while the purification effect is guaranteed.

The invention discloses a grease-free additive for caring hair and scalp. The additive comprises the following components in percentage by weight: 50% of pure water, 5% of sodium stearyl lactate, 10%of vitamin E, 10% of histidine, 1.5% of dehydrated xylitol, 3.5% of hydrolyzed wheat protein, 7% of allantoin, 5% of hydrolyzed egg white and 8% of carnosine. The additive has the characteristics that: (1) the additive belongs to a pioneering oil-free formula, and a hair care product prepared from the additive cannot wrap scalp hair follicles and cares the hair with zero residue and burden; (2) the additive can effectively reduce the chemical damage of hair in the ironing and dyeing process, and neutralize the residue of ironing and dyeing chemical liquid medicine; (3) the additive has non-irritating and preservative effects, and can neutralize residual calcium compound of calcium carbonate and magnesium carbonate in hair to effectively prevent hair furcation; and (4) the additive can greatly reduce the adverse effects of organic compounds on human skin and hair quality, has the effects of preventing hair loss, resisting oxidation, preserving moisture and blocking sun, can be completely biodegraded, and avoids environmental pollution.