231 results about "Aluminium potassium sulfate" patented technology

The invention discloses a novel water treatment agent and a preparation method and application thereof. The water treatment agent consists of a water quality conditioning agent and a magnesium-iron composite decoloring flocculating agent; the water quality conditioning agent is prepared by the following formula which comprises the components in parts by weight: 50-90 parts of calcium oxide, 10-40parts of aluminium potassium sulfate and 10-30 parts of magnesium sulfate heptahydrate; and the magnesium-iron composite decoloring flocculating agent is prepared by the following formula which comprises the components in parts by weight: 5-30 parts of ferrous sulphate, 60-90 parts of magnesium sulfate heptahydrate and 0.1-5 parts of flocculation increasing agent. The water treatment agent can beused for waste water treatment of industrial waste water, especially in the leather industry, the fur industry and the textile printing and dyeing industry with serious pollution. When being used forsewage treatment, the water treatment agent has little investment, fast effect, good treatment effect and no secondary pollution; and the water treatment agent has low cost, and the production methodis simple and convenient and has no pollution.

A penetration and crystallization type cement-base water-proofing agent for mortar is prepared from high-Al clinker, siloxane emulsion, dodecahydrated aluminium potassium sulfate, beta-methyl naphthalenesulfonate, calcium hydroxide, bentone, sodium silicate, and polypropylene fibres through proportional mixing. Its advantage is high effect to prevent water leakage, reduce water, increase compactness and strength, and decrease cracking.

The invention relates to a method for extracting aluminum oxide from fly ash by a one-step process. The technique for extracting aluminum oxide from fly ash by an acid-process/alkali-process has the defects of long technological procedure, complex equipment and poor economic performance, and restricts the large-scale application. The method comprises the following steps: mixing fly ash and potassium sulfate in concentrated sulfuric acid to carry out granulation; roasting for activation at certain temperature; dissolving out the solid in water or sulfuric acid to remove solid residues; removing the impurity iron from the solution by a jarosite process; crystallizing the solution to obtain solid potassium aluminum sulfate dodecahydrate; roasting the potassium aluminum sulfate dodecahydrate to obtain aluminum oxide, potassium sulfate solid and sulfur trioxide gas; and washing the solid phase, and filtering to obtain the aluminum oxide product. The potassium aluminum sulfate solid is obtained by cooling crystallization, thereby lowering the energy consumption; the impurities can be effectively removed in the crystallization process, thereby reducing the investment for the impurity removal system; and the potassium sulfate and sulfuric acid can be recycled, so the economic benefit of industrial production is high.

The invention belongs to the field of disinfection supplies, and relates to an air smell removing disinfectant. The air smell removing disinfectant comprises a solid part and a liquid part; the solid part comprises the following components in percentage by weight: 1 to 78 percent of sodium chlorite, 0.01 to 50 percent of potassium chlorite, 2 to 85 percent of sodium chlorate, 1 to 69 percent of calcium chlorite, 0 to 80 percent of calcium chlorate, 0.1 to 85 percent of potassium chlorate, and 1 to 90 percent of sodium hypochlorite; the liquid part comprises the following components in percentage by concentration: 0.1 to 36.3 percent of hydrochloric acid, 0 to 2 percent of copper sulfate, 0 to 15 percent of aluminum potassium sulfate, and the balance of distilled water; and the solid part and the liquid part are mixed in a mass-volume ratio of 1: (1.5-20) in use to release smell removing disinfection gas. The air smell removing disinfectant can quickly and efficiently achieve a smell removing disinfection effect; and after the disinfectant is used, the disinfectant is environment-friendly and safe, does not have residue or stimulation to the human body, and does not harm the body.

A multifunctional paste-like waterproof agent specifically consists of a substrate and a composite additive; wherein, the possible components of the substrate comprise: a coagulant, an expansion agent, a reinforcing agent, magnesium stearate and/or sodium silicate. The coagulant is copper sulfate, the expansion agent is aluminium potassium sulfate, and the reinforcing agent is aluminium chloride. The ratio of the base material and the composite additive in the multifunctional paste-like waterproof agent by mass is 1:2 to 2:1. The invention further claims a preparation method for protecting the multifunctional paste-like waterproof agent, and the preparation method comprises the steps: the substrate and the composite additive are firstly respectively prepared; the two are mixed and then cooled; and the multifunctional paste-like waterproof agent is obtained. The waterproof agent has prominent effects of infiltration, sealing, hydrophobia, thermal insulation, and the like, thereby being significantly better than similar products in the prior art. The multifunctional paste-like waterproof agent has enormous predictable economic value and social value.

The invention relates to high-specific-surface-area hierarchical porous gamma-AlOOH hollow microspheres and a preparation method and an application of the hollow microspheres, and belongs to the technical field of inorganic nonmetallic materials. The preparation method of the microspheres comprises the steps as follows: a mixed solution of aluminium potassium sulfate and urea is subjected to a microwave hydrothermal reaction, so that the high-specific-surface-area hierarchical porous gamma-AlOOH hollow microspheres are obtained; and the mixed solution is calcinated again, so that high-specific-surface-area hierarchical porous gamma-Al2O3 hollow microspheres are obtained. Both the gamma-AlOOH hollow microspheres and the gamma-Al2O3 hollow microspheres are all hierarchical porous cauliflower-shaped hollow microspheres, the diameters range between 600 nm and 1000 nm, and the specific surface areas are large; the rate of adsorption rate to Congo red in the solution is high, the adsorption capacity is large, and the microspheres can be used repeatedly; and at the same time, the microspheres have a good effect of adsorbing formaldehyde in indoor air. According to the method, a synthetic route is simple, the reaction time is short, raw materials are easy to obtain, the reproducibility of the hollow microspheres is good, and the hollow microspheres are applicable to industrial production.

A method for preparing sludge-based biochar relates to the technical field of sludge-based biochar preparation. The method comprises the following steps: municipal sludge is successively concentrated,conditioned for modification, and highly dried for dewatering, so that a dewatered sludge cake is obtained; and the sludge-based biochar is obtained by conducting crushing, drying and pyrolysis carbonization on the dewatered sludge cake. An agent added in the conditioning modification is one or more of inorganic coagulants, organic coagulants and additives, wherein the inorganic coagulant is at least one of aluminum sulfate, potassium aluminum sulfate, sodium aluminate, ferrous sulfate, ferric sulfate, polyferric sulfate, poly aluminum sulfate and polysilicate ferric; the additive is at leastone of fly ash, plant ash, sawdust and rice husk bran. The invention can utilize sludge for waste utilization and produce the sludge-based biochar which can promote plant growth. The invention has the advantages of converting sludge into fertilizer for promoting plant growth and improving economic benefit of planting.

The invention relates to a modified natural polymer combined flocculating agent and a using method thereof. The flocculating agent is the combination of modified natural polymer and complexing agent, wherein the modified natural polymer is prepared by carrying out phosphorylation modification, sulfonation modification or etherification modification on one or combination of two in shells of shelled animals such as shrimps, crabs and insects, cotton, straw, bagasse and starch; the complexing agent is combination of at least two in magnesium chloride, calcium chloride, sodium hydroxide, potassium hydroxide, aluminium chloride, aluminum sulfate, aluminium potassium sulfate, calcium oxide, sodium tetraborate, ferric chloride, ferrous sulfate, ferrous chloride, ferric sulfate, boric acid, hydrochloric acid and sulfuric acid. After the modified natural polymer is added, the complexing agent can be added into the natural polymer at any time within 12h according to the need of flocculation, and the flocculation reaction can be immediately finished. The invention has the advantages of controllable flocculation, rapid flocculation speed, large and firm flocculating body, low water content, safety, non-toxicity and wide temperature adaptation range.

The invention belongs to the field of passivation treatment and discloses a trivalent chromium concentrated blue and white zinc passivant. The trivalent chromium concentrated blue and white zinc passivant is prepared from 8-50g/L of chromic chloride, 10-60g/L of aluminium potassium sulfate, 3-10g/L of aluminium potassium sulfate, 3-20g/L of cobalt nitrate, 8-15ml/L of coupling agent, and 0.5-5g/L of rare earth element. The invention further discloses a passivation method by means of the trivalent chromium concentrated blue and white zinc passivant. The passivation method includes a first step of galvanizing the surface of a product, washing the product with water, activating the product with concentrated hydrochloric acid, and washing the product with water, a second step of processing the product by means of the blue and white zinc passivant, washing the product with water, and sealing the product with hot water, and a third step of drying the product. The trivalent chromium concentrated blue and white zinc passivant and the passivation method by means of the trivalent chromium concentrated blue and white zinc passivant are environment-friendly, wide in technology tolerance, easy to operate, good in stability, firm in film formation, little in consumption, and low in cost.

The invention relates to a black kidney bean flavored bean vermicelli, and belongs to the field of food processing. The black kidney bean flavored bean vermicelli comprises the following raw materials in parts by weight: 80-100 parts of black kidney bean, 20-40 parts of green bean starch, 60-80 parts of corn starch, 1-3 parts of salt, 6-10 parts of wax gourd, 3-6 parts of mongolian dandelion herb, 8-12 parts of amaranthus mangostanus and 10-14 parts of an additive, wherein the additive consists of konjac mannan, sodium hyaluronate and pulullan according to the mass ratio of 1:(0.5-0.8):(0.2-0.4). The black kidney bean flavored bean vermicelli does not contain aluminium potassium sulfate, is high in elasticity, is not easy to break, is bright in color, has the advantages of rich nutrition, low heat quantity, and high protein, vitamin and mineral contents, and is extremely high in edible value.

The invention relates to a wastewater treating agent and a preparation method thereof. The wastewater treating agent contains the following components in parts by mass: 25-40 parts of zeolite, 10-25 parts of light magnesium oxide, 45-65 parts of kieselguhr, 35-55 parts of aluminum potassium sulfate, 45-60 parts of sodium bisulfite and 20-35 parts of bromine chloride. The wastewater treating agent provided by the invention can completely precipitate suspended impurities in wastewater, absorb organic substances, heavy metal ions and silicates in water, remove chlorine, ammonia and phosphates in the wastewater, effectively lower the toxicity of hydrogen sulfide and regulate the pH value of the wastewater, and has a bactericidal action.

The invention relates to a waterproof agent used on briquette surface and a preparation method thereof, and a waterproof briquette and a manufacturing method thereof. The waterproof agent comprises, by weight, 1-3 parts of potassium dichromate, 1-3 parts of potassium aluminum sulfate, 1-3 parts of copper sulfate, and 1-3 parts of potassium chromium sulfate with equal mass proportions, and 300-500 parts of water glass and 50-70 parts of water. According to the invention, the 50-70 parts by weight of water is heated to 95-100 DEG C; various alums are added, and are completely dissolved by stirring; the material is subjected to standing, and is naturally cooled to 40-55 DEG C; 300-500 parts by weight of the water glass is added; and the mixture is stirred for 20-40min, such that the waterproofing agent is obtained. Briquette is soaked in the waterproofing agent for a certain period of time, and is air-dried, such that waterproof briquette is obtained. The waterproof briquette provided by the invention has the advantages of small additive dose, good waterproof performance, easy transportation, and easy storage.

The invention discloses an underground building superstrong deep penetration crystallization type waterproof material, and belongs to the technical field of waterproof materials. The waterproof material comprises the following components in percent by weight: 42% of portland cement, 1% of a methylnaphthalene-sodium sulfonate condensation product, 7% of a siloxane, 6% of calcium hydrate, 10% of bentonite, 28% of quartz sand and 6% of aluminium potassium sulfate dodecahydrate. The preparation method of the waterproof material comprises: adding bentonite into an siloxane emulsion, stirring uniformly and drying the slurry; grinding into powder with a particle size of 150-250 meshes by a bowl mill; adding the surface active dispersant methylnaphthalene-sodium sulfonate condensation product and quartz sand, stirring to form granules; and finally adding portland cement, sodium silicate, aluminium potassium sulfate dodecahydrate and calcium hydrate to prepare the finished product. The waterproof material provided by the invention is capable of keeping the respiratory action of a building, cracks and holes of concrete are filled with and blocked off by generated unique acicular crystal, water is prevented from penetrating, and the waterproof material is durable in waterproof effect and free of toxicity and pollution.

The invention discloses a novel compositing agglomerant, and a riverway, lake in-situ dredging and ecological restoration technology. The novel compositing agglomerant comprises the following components in parts by weight: 70 to 90 parts of diatomite, 20 to 30 parts of aluminium potassium sulfate, 20 to 30 parts of sodium carbonate, 15 to 20 parts of an inorganic chelating agent, 15 to 20 parts of a buffering agent, 8 to 10 parts of an enzyme biological accelerator and 6 to 8 parts of a deodorizing agent. In-situ dredging is adopted, construction is directly conducted in the riverway or the lake, and sludge obtained after treatment does not need to be transported outwards and filled, so that a large amount of manpower and financial resources are saved, and secondary pollution is avoided; due to in-situ dredging, sludge residues at the bottoms of the river and the lake are eliminated maximally, and activation and recovery of soil family microbial culture in riverbed and lake base mud are benefited; the novel compositing agglomerant has the advantages of high agglutination and settling speed, low water content of the sludge and small occupied land during operation, and meets the requiremets of river and lake management, so that water quality is improved, the activity of the river and lake sludge is recovered gradually through management, the river and the lake recover the self-cleaning capability, and ecological balance is achieved.

The invention relates to a technology for making environment-friendly composite pavement bricks and in particular relates to a waste treatment technology for making composite pavement bricks by utilizing domestic wastes and construction wastes. The waste treatment technology is characterized by drying, screening and grinding the domestic wastes to prepare solid wastes, grinding the construction wastes into powder or fine granules after screening the construction wastes, grinding fluorine gypsum and fly ash into powder, adding 25-35% of domestic wastes, 25-35% of construction wastes, 10-15% of fly ash, 15-20% of fluorine gypsum, 5-10% of cement, 3-5% of aluminium potassium sulfate and 2-5% of acrylic construction gelatine powder to a stirrer and fully stirring the materials uniformly, then sprinkling water and stirring the materials until the raw materials are moist and loose and have certain viscosity, throwing the raw materials into a brick making machine to undergo press forming, curing the formed bricks for 5-7 days in a storeroom with relatively stable temperature and humidity, and delivering the bricks.