53 results about "Sulfate" patented technology

The invention discloses anti-corrosion concrete applied to a sulfate bittern environment as well as a preparation and construction technology thereof. The concrete comprises the following raw materials: light calcined magnesia, magnesium sulfate, water, aggregate, a mineral admixture and an additive. Through mutual effect among the components of the concrete and with the sulfate bittern environment with specific salt type and concentration, the concrete can be condensed and hardened, generated, developed and strength-maintained in sulfate saline soil, sulfite saline oil or bittern environment in a wet state with specific salt type and concentration or below the underground water level. The concrete disclosed by the invention is applied to the sulfate bittern environment and can meet the requirements of concrete strength and durability of structures and components.

The invention provides a method for effectively restraining generation of sulfur trioxide and waste acid in smelting smoke. By adjusting smoke temperature, and/or controlling the wind leakage amount of a smoke flue, and/or reducing the water content of materials and the sulfate content, generation of the sulfur trioxide and the waste acid in the smoke is restrained. By adjusting parameters such as the smoke temperature, the wind leakage amount, the water content and the sulfate content, generation of the sulfur trioxide and the waste acid is restrained, and compared with the prior art, the method has the beneficial effects that the cost is low, operation is easy, other compounds are not introduced, and generation of the sulfur trioxide and the waste acid in the smoke is restrained from source. The method can be applied to the smoke waste heat recovery and treatment link in the copper sulphide concentrate oxygen enrichment matte smelting process, generation of the sulfur trioxide and the waste acid in the smoke is restrained, and then the problems of corrosion to the smoke flue and waste acid are relieved.

The invention discloses a method for preparing oxiracetam (4-hydroxylethylpyrrolidone-2-acetamide) used for improving brain functions. The method comprises the following steps: taking chloroacetoacetic ester and aminoacetonitrile hydrochloride (aminoacetonitrile sulphate) as raw materials, and conducting the steps such as hydrogenation, substitution, cyclization and the like on the chloroacetoacetic ester, and finally synthesizing and obtaining the objective product; and the preparation method has the advantages that the price of the raw materials is cheap and the materials are easy to obtain, the cost is low, the technical process is simple, and compared with the prior art, the yield rate is higher, the product quality is better, thus being more suitable for the industrialized scale production.

The invention provides plant growth type porous concrete suitable for plant growth. The concrete comprises a porous concrete body with thickness and mixed fine loam covering the surface layer of the porous concrete body. The porous concrete body comprises components by volume density as follows: 150-325 kg/m<3> of cement, 1,495-1,550 kg/m<3> of ceramsite, 40-86 kg/m<3> of fly ash, 10-12 kg/m<3> oflimestone powder, 100-120 kg/m<3> of fine loam, 2-3 kg/m<3> of plant ash, 15-30 kg/m<3> of rice husk charcoal, 2.5-4 kg/m<3> of a water reducing agent, 10-20 kg/m<3> of EVA latex powder, 17-40 kg/m<3> of butadiene-styrene rubber powder, 13-23 kg/m<3> of a polyacrylate emulsion, 20-30 kg/m<3> of organic compost, 15-20 kg/m<3> of vermiculite, 2-3 kg/m<3> of seaweed meal, 0.5-0.7 kg/m<3> of tea seedmeal, 2-3 kg/m<3> of neem cakes, 0.7-1.2 kg/m<3> of polyacrylamide, 0.5-1 kg/m<3> of ferrous sulfate, 3-4 kg/m<3> of modified loofah fiber, 0.8-1 kg/m<3> of an organic silicon defoamer and 60-90 kg/m<3> of water.

The invention discloses a method for manufacturing body paper special for lotteries. According to the method, bleached sulfate softwood pulp and bleached sulfate hardwood pulp are used as raw materials, through process steps of respective pulping, pulp mixing, auxiliary material adding, wet paper page manufacturing with pulp, pressing dewatering, pre-drying, surface sizing and after-drying and calendering finishing and the like, the body paper special for the lotteries, which is high in strength, good in smoothness, small in water absorptivity and high in internal bonding strength, is prepared, clients' requirements of coating and processing lottery paper can be met, and the qualified lottery paper is manufactured.

The invention provides a soil bio-activator for ginseng continuous cropping and belongs to the field of modernization of Chinese traditional medicine. The soil bio-activator for ginseng continuous cropping can be used for solving the problems of serious ginseng continuous cropping diseases, low yield and poor quality caused by deterioration of the physicochemical and biological characters of old ginseng-grown land soil. The soil bio-activator for ginseng continuous cropping is prepared from 2.0%-8.0% of bacillus subtilis, 2.0%-8.0% of actinomycetes, 5.0%-20.0% of xylanase, 5.0%-20.0% of cellulase, 10.0%-20.0% of urease, 1.0%-4.0% of potassium dihydrogen phosphate, 0.1%-0.5% of ferrous sulfate, 0.1%-0.4% of boric acid, 0.1%-0.5% of manganese sulfate, 0.05%-0.2% of copper sulfate, 0.1%-0.4% of zinc sulfate, 0.05%-0.2% of ammonium molybdate and the balance of organic materials through mixing and compositing. The soil bio-activator for ginseng continuous cropping is used for improving the soil for ginseng continuous cropping in ginseng growing.

The invention relates to a method for removing bromate in water through oxidation reduction and a system thereof. The method comprises the following steps: firstly, controlling the dissolved oxygen concentration in the water at a lower level through the nitrification of ammonia salt and microbes on the active carbon; secondly, removing the bromate in the water through the reducibility of ferrous sulfate; and finally, removing excessive ferric ions in the water through a filtering unit. The system comprises a pretreatment working section for controlling the dissolved oxygen in the water, an oxidation reduction working section for removing the bromate and a filtering treatment working section for removing the excessive ferric ions, wherein the pretreatment working section is connected with the oxidation reduction working section, and the oxidation reduction working section is connected with the filtering treatment working section. The method can effectively remove the bromate in the water with a bromate removal rate of above 60 percent. The system has convenient operation and low running cost, can also be integrated with other technologies, and have very high practicability.

The invention provides soil ecological system restoring organic fertilizer which is high in content of nutrients available for crops and reasonable in nutrition collocation, is thoroughly decomposed, has a small number of foreign microbes and is high in organic matter content. The soil ecological system restoring organic fertilizer comprises organic raw materials, microbial agents and NPK, wherein the organic raw materials comprise cake fertilizer, green manure, plant protein and biochemical humic acid; the microbial agents comprise nine microbial bacteria such as nitrogen-fixing bacteria, phosphorus-solubilizing bacteria, potassium-releasing bacteria, actinomycetes, saccharomycetes, lactic acid bacteria, photosynthetic bacteria, paenibacillus polymyxa and bacillus subtilis; the NPK accounts for 5-25% of the total fertilizer; the NPK comprises ammonium sulfate, ammonium chloride, ammonium nitrate phosphate, ammonium phosphate, potassium sulfate, potassium chloride, potassium nitrate, magnesium sulfate, zinc sulfate and borax; the organic raw materials are taken as the balance of the fertilizer.

The invention provides a multifunctional organic/inorganic compound fertilizer and a preparation method thereof. The compound fertilizer is composed of the following raw materials by weight percent: 25-30% of urea, 5-10% of monoammonium phosphate, 10-18% of potassium sulphate, 27-32% of humic acid, 1.5-3% of zinc sulfate, 0.1-0.3% of microorganism bacterial liquid, 12-20% of diatomite and 1.9-2.7% of sophorolipid, wherein humic acid is obtained from decomposed coal through activation treatment. During preparation, urea, monoammonium phosphate, potassium sulphate, humic acid, zinc sulfate, microorganism bacterial liquid, diatomite and sophorolipid are added to a mixing crusher for crushing, so that a powdery mixture is obtained; the powdery mixture is added to a drum coating-pelleting-drying-cooling integrated machine to be pelleted, dried and cooled so that a granular mixture is obtained; the microorganism bacterial liquid and the diatomite are mixed and then sprayed to the mixture so that a crude product of the multifunctional organic/inorganic compound fertilizer is obtained; and finally, the crude product is added to a vibrating sieve for screening and then the obtained oversize is the multifunctional organic/inorganic compound fertilizer.

The invention belongs to the field of sludge treatment and particularly relates to a sludge solidifier and a preparation method of the solidifier. The sludge solidifier mainly comprises magnesia, modified kieselguhr, wood ceramic, poly-ferric sulfate, tea saponin, vanillin and sodium silicate. The prepared sludge solidifier has the advantages that the sludge solidifier is simple to operate, has good dehydration, and microorganism and heavy metal removal effects, improves the quality of sludge filtrate, and reduces environmental pollution; the sludge solidifier is low in cost and environment-friendly, and is convenient for large-scale popularization and application.

The invention discloses an ink cleaning agent with no damage to the equipment. The ink cleaning agent is characterized by comprising the following raw materials by weight: 5-7 parts of nonylphenol polyoxyethylene ether, 2-3 parts of sodium sulfonate, 1-2 parts of triethanolamine, 2-3 parts of oxalic acid, 3-4 parts of limonene, 1-2 parts of tea saponin, 1-2 parts of sodium tungstate, 2-3 parts of urotropine, 1-2 parts of sodium dichromate, 1-2 parts of sodium lauryl sulfate, 1-2 parts of sodium tripolyphosphate, 2-3 parts of castor oil, 4-5 parts of an auxiliary agent and 100-110 parts of water. The additives added in the invention improve the process performances of the cleaning agent and reduce toxic and side effects and the pollution to the environment. The ink cleaning agent provided by the invention has the advanategs of strong cleaning ability, no toxicity, no volatilization, no harm to human body, no damage or corrosion on the printing equipment, low production cost, safety, environment-friendliness and wide application prospect.

The invention relates to a pulping method of sulphate chemical pulp, which is characterized in that sodium carboxymethylcellulose, i.e. CMC assistant grass sulphate chemical pulp is adopted to pulp, or modified cellulase is adopted to pulp the sulphate chemical wood pulp; CMC is added for pulping to improve the lubricity between fibres, decrease heterocell breakage and fibre cutoff and accelerate the fibrillation of reed pulp fibre when pulping so as to bring convenience for obtaining size with higher tearing index and fracture length; meanwhile, CMC assistant grass sulphate chemical pulp used for pulping can save energy consumption; when 0.125% of CMC is added, 30% of energy consumption is saved; and meanwhile, the modified cellulase pretreats the sulphate chemical wood pulp to effectively improve paper forming strength and save energy consumption by more than 30%.

The invention discloses an efficient total-nutrient chelate fertilizer and a preparation method of the efficient total-nutrient chelate fertilizer, and belongs to the technical field of crop fertilizers. The efficient total-nutrient chelate fertilizer is prepared from the following raw materials by weight: 650-750 parts of urea, 800-100 parts of monopotassium phosphate, 80-120 parts of potassium humate, 75-85 parts of calcium chloride, 55-65 parts of magnesium sulfate, 18-22 parts of ferrous sulfate, 20-25 parts of manganese sulfate, 20-25 parts of copper sulfate, 20-25 parts of zinc sulfate,2-4 parts of ammonium molybdate, 40-60 parts of citric acid, 50-60 parts of tartaric acid, 90-110 parts of EDTA, 35-45 parts of boric acid, 15-20 parts of lanthanum nitrate, 25-30 parts of cerous nitrate, and 30-40 parts of a surfactant. The monopotassium phosphate, the compound trace element and the rare earth element chelate are compounded, the trace element and the rare earth element exist in the non-precipitate inorganic form, and the defect that the traditional micro element fertilizer cannot be compounded with the phosphate is overcome.

A craft for processing preserved eggs by utilizing tea dust comprises the following steps: putting salt, calcined lime, dietary alkali, zinc sulfate, plant ash and tea dust into an olla, pouring boiling water into the olla in twice to prepare ingredient water; blowing the ingredient water in the olla by utilizing an air blower, and carrying out stirring during the blowing; putting the eggs into the olla, and soaking for 30-35 days in a sealed manner; taking out the soaked eggs for cleaning with cooled boiled water, and airing; taking out sediment in the ingredient water in the olla, grinding into ingredient powder, and putting into an accommodating tank; grinding yellow mud dried in the sun into yellow mud powder, and putting the yellow mud powder into the accommodating tank for uniform stirring to prepare mixed powder; wrapping the eggs with the mixed powder, then wrapping the eggs with paddy hull, putting into the olla, and sealing for more than 15 days so as to obtain the preserved eggs. After being cut, the preserved eggs prepared by utilizing the tea dust is five-colored, and the guarantee period is 360 days, the lead content is low, and is only 0.01; the ingredient wastewater is recycled, the cost is effectively reduced, the function of environment protection is played, and cyclic economy application is facilitated.

The invention discloses an anticorrosive coating material for reinforced concrete, a preparation method and applications thereof, and belongs to the technical field of anticorrosive coating materials,wherein the anticorrosive coating material comprises, by mass, 8-30% of a phenol formaldehyde epoxy resin, 4-20 % of Ethylene glycol diglycidyl ether, 4-20 % of butanol, 1-5 % of a xylene-type unsaturated polyester resin, 7-32 % of a modified amine epoxy resin curing agent, 0.8-4 % of toluene-2,6-diisocyanate and/or modified toluene-2,6-diisocyanate, 5-25 % of mica flakes, and 2-3 % of ultrafinesilica. According to the present invention, the anticorrosive coating material has advantages of good sulfate and chlorine ion barrier performance, low film thickness, low surface energy, strong climate adaptability, good mechanical property, simple coating and the like, can meet the use requirements of high-sulfate and high-chlorine-ion composite salty soil environments, and can ensure the safetyand the long-term stability of the reinforced concrete infrastructure in the high-sulfate and high-chlorine-ion composite salty soil environment.

The invention discloses a method for preparing calcium hydrophosphate through double-acidolysis of phosphorite. The method is characterized by comprising the following steps of ore pulp preparation, conduction of a hydrochloric acid acidolysis reaction, conduction of a sulfuric acid acidolysis reaction, first-segment neutralization, second-segment neutralization, third-segment neutralization, hydrochloric acid regeneration and calcium sulfate precipitation. The method has the advantages that ores are subjected to acidolysis more fully through two steps of acidolysis reactions, and food-grade calcium sulfate is generated when hydrochloric acid is regenerated.

The invention relates to a purifying agent for bleaching and dyeing sewage, comprising ferrous sulfate, acid water, acid mud, aluminum sulfate, polypropylene milling amine and calcium hydroxide; wherein, the weight account of various materials are: ferrous sulfate 50 to 70, acid water 2 to 10, acid mud 2 to 10, aluminum sulfate 5 to 20, polypropylene milling amine 0.5 to 1.5 and calcium hydroxide 10 to 30. The invention has the advantages of low cost, 0.30 RMB per cubic metre of the sewage, meeting the national standards of the sewage treatment, recycling the disposed water, and saving water resource .

The invention discloses a preparation method of a non-woven fabric, and belongs to the field of spinning. Sodium pyrophosphate, glucose, sodium hydroxide, ferrous sulfate and water are sampled, nitrogen protection is adopted, heating and stirring are performed, and then cumyl hydroperoxide and polybutadiene are added and stirred and mixed; a stirring mixture, allyl benzene, methyl methacrylate, epoxypropyl methacrylate and dibenzyl phthalate are obtained to be added into magnesium sulfate, stirring, mixing and drying are performed, a drying object is obtained to be added into polylactic acid to be mixed, and a mixed matrix is obtained; folium eriohotryae and aloe are obtained to be mixed and homogenized, deionized water is added for digestion and suction filtration, a filtrate is obtainedfor centrifuging, a supernate is obtained to be added into a copper nitrate solution to be mixed, and an antibiotic finish solution is obtained; processed linen fiber, a dispersing solution and the antibiotic finish solution are obtained to be soaked and filtered, the linen fiber is taken to be cleaned with deionized water, and linen fiber is obtained; linen fiber, the mixed matrix, polypropyleneand sodium alginate are obtained to be mixed for opening, carding and lapping, the mixture is placed into a needle machine for needling treatment, and hot rolling is performed to obtain the non-wovenfabric.

The invention discloses attapulgite shampoo for defending lose-hair and dispelling scurf, which has the technical proposal that the attapulgite shampoo for defending lose-hair and dispelling scurf is composed of modified pasty attapulgite clay, cacumen biotae, honeysuckle, angelica, zinc pynithione, sodium lauryl sulfate, cocamidopropyl betaine, citric acid, nipagin methyl ester, nipagine propyl ester and deionized water. The attapulgite shampoo for defending lose-hair and dispelling scurf has the prodution method of purification, sodium modification, acidification, feed proportioning, pulverization and beating, grinding, high-speed stirring, emulsification, vacuum degassing and canning for obtaining the finished product of attapulgite shampoo for defending lose-hair and dispelling scurf. The attapulgite shampoo for defending lose-hair and dispelling scurf can speed up the blood circulation of scalp, promote hair metabolism, effectively control sebum extravasation, dispel scurf, prevent scalp itching, delay hair aging, and reduce lose-hair and white hair generation. The attapulgite shampoo for defending lose-hair and dispelling scurf is suitable for the hairdressing and nursing of defending lose-hair and dispelling scurf.

The invention discloses a preparation method of a phosphatization liquid for steel pipe cold-rolling processing pre-treatment. The phosphatization liquid comprises 22-26g/L of zinc oxide, 84-88g/L of phosphoric acid having a concentration of 85%, 16-20g/L of zinc dihydrogen phosphate, 22-26g/L of monocalcium phosphate, 6-8g/L of nickel sulfate, 4-6g/L of magnesium sulfate, 10-12g/L of tartrate, 4-6g/L of sodium citrate, 12-14ml/L of hydrogen peroxide and the balance water. The preparation method comprises the following steps of 1, mixing zinc oxide and water to obtain paste and carrying out stirring to obtain a uniform mixture, 2, slowly adding phosphoric acid into the zinc oxide paste with stirring until dissolution, 3, orderly adding zinc dihydrogen phosphate, monocalcium phosphate, nickel sulfate, magnesium sulfate, tartrate, sodium citrate and hydrogen peroxide into the solution obtained by the step 2 and carrying out stirring until dissolution, and 4, adding the rest of water into the solution obtained by the step 3 to adjust free acidity to 12-15 and total acidity to 70-90.

The invention discloses a (S)-1-(3-hydroxy-1-phenylpropyl)thiourea unilateral-modified Fe-Anderson-type heteropoly acid catalyst, a preparation method and an application thereof. According to the invention, ammonium molybdate and ferric sulfate are reacted under acidic condition to generate Fe-Anderson-type heteropoly acid parent; then heteropoly acid parent and tris(hydroxymethyl)aminomethane are reacted under backflow condition to obtain amino unilateral-modified Fe-Anderson-type polyoxometallate; (S)-1-(3-hydroxy-1-phenylpropyl)isorhodanate is synthesized; and finally, polyoxometallate and (S)-1-(3-hydroxy-1-phenylpropyl)isorhodanate are subjected to the reaction to obtain the target product. The preparation method has the advantages of simple process, high yield, mild reaction condition, and environment friendlessness; the catalyst can be used for a self-oxidation coupling reaction of a aryl methylamine compound, and has the advantages of environment pollution and high efficiency, high corresponding selectivity, and easy recovery and utilization.