134 results about "Lime acetate" patented technology

The invention provides salt coating liquid. The salt coating liquid is made with, by weight, 0.5-10% of calcium acetate and 90-99.5% of tobacco sheet coating liquid. After treated by a high-temperature process, the calcium acetate in the salt coating liquid is partially decomposed into calcium carbonate which can convert on the surface of the reconstituted tobacco into a great amount of calcium carbonate particles, so that retention rate and distribution uniformity of the calcium carbonate in the reconstituted tobacco can be significantly improved, specific area is greatly increased, a novel microporous structure is generated, water absorbing and moisture preserving performances of the structure are effectively improved, whiteness and flame retention rate of ash from combustion of the reconstituted tobacco can be improved, bulkiness of the reconstituted tobacco is improved, and thickens of the reconstituted tobacco is increased; in terms of smell absorption, tobacco miscellaneous odors can be decreased, irritation is lowered and comfort is improved. In addition, the undecomposed calcium carbonate is hydratable calcium salt with very high hygroscopic property; good moisture preserving effect and certain mould resistance are provided.

The invention discloses a preparation method of hydroxyapatite / bagasse active carbon. The preparation method comprises the following steps: adding 250ml of 4.4mol / L ammonium acetate buffering solution into 250ml of 0.05mol / L-0.5mol / L of calcium acetate solution, uniformly mixing, then adding 10-60g of bagasse, electrically stirring, then carrying out ultrasonic oscillation for 30-60 minutes, and standing for 24-48 hours; under rapid stirring, adding 500ml of 0.015mol / L-0.15mol / L ammonium dihydrogen phosphate solution into a mixture of calcium acetate, ammonium acetate and bagasse, adjusting the pH value to be 7.5-8.0, and stirring for 10 minutes under the room temperature; heating to be 100 DEG C by adopting water bathing, reacting for 48-60 hours, and obtaining hydroxyapatite / bagasse mixed and suspended matter solution; naturally cooling, filtering, washing, and drying for 16 hours under the temperature of 70 DEG C to obtain hydroxyapatite / bagasse mixture; carrying out carbonization under the temperature of 450-650 DEG C, then grinding, and screening by a 100-mesh sieve. The preparation method disclosed by the invention is simple in process and low in cost; and the obtained product can be widely applied to the deep-treatment procedure of waste water containing cadmium and lead in an industrial and mining enterprise.

The invention belongs to recovery treatment on lead plaster of a waste lead-acid storage battery. The method comprises the following steps of: mixing the lead plaster of the waste lead-acid storage battery with waste sulfuric acid in the waste lead-acid storage battery according to the design requirement and roasting; adding roasting sand in a stirring kettle; adding tap water to a water level line of the device and stirring the roasting sand; adding a proper amount of calcium acetate, acetic acid and nitric acid; starting a solution circulating system pump, leaching out the roasting sand and maintaining the concentration of lead acetate to be saturated; adding a proper amount of bone glue and beta-naphthol, electrolyzing immersion liquid, recovering the metallic lead at the cathode and recovering lead dioxide at the anode; press filtering residues to obtain lead-off slag and filtrate; and adding calcium carbonate in the filtrate and recycling. The device mainly comprises a leaching part, a press filtration part, a circulating part and an electrolysis part, and concretely includes eight key components of the stirring kettle, a press filter, an overflow port, an electrolysis direct current power supply, an electrolytic cell, a cathode titanium basket, a corrosion resistant pump and a heating element.

A composition for inhibiting gastrointestinal absorption of phosphorous in an individual. The composition includes a quantity of calcium acetate sufficient to bind the phosphorous in the gastrointestinal tract of the individual. The calcium acetate has a bulk density of between 0.50 kg / L and 0.80 kg / L and is dimensioned to form a caplet for fitting within a capsule in a manner that optimizes the volume of the capsule. Also provided is a method for administering the calcium acetate composition of the present invention to an individual to reduce phosphorous absorption by binding with the phosphorous in their gastrointestinal tract.

The invention relates to an environment-friendly snow melting agent and a preparation method of the snow melting agent, and belongs to the field of the snow melting agents. The snow melting agent is prepared from acetates and chlorine salts with low corrosivity as the main raw materials by mixing acetates including potassium acetate, magnesium acetate and calcium acetate with calcium chloride and magnesium chloride in a certain proportion, as well as a small quantity of corrosion inhibitor. The common fault that a common inorganic snow melting agent is high in corrosivity is effectively overcome, the cost is reduced, and therefore the snow melting agent is suitable for promotion and application.

The polyester film is made with 0.62 over viscosity lustrous polyester slice, 0.58 over viscosity regenerated grain and 0.62 over viscosity monox polyester slice. The making process of the polyester film includes mixing lustrous polyester slice, regenerated grain, monox polyester slice, lustrous IPA polyester slice and calcium acetate polyester slice in certain proportion, drying, extrusion, filtering, metering, casting film, longitudinal stretching, transverse stretching, thermally setting and cutting. The polyester film has the advantages of low production cost, high product performance, high dielectric strength, high heat stability, short production process and no environmental pollution in production process.

This invention relates to a preparation method for calcium chitin characterizing in mixing the chitin with powder of CaCl2, calcium acetate, calcium gluconate, calcium lactate, calcium maltate or citrate calcium malate to be reacted, filtered, cleaned, dewatered, dried, crushed and virus eliminated to get the calcium chitin, which is a new type of hemostatic by acting on the red blood cells in the blood, suppressing soluble fiber protein and activating thrombin so as to arrest bleeding.

The invention discloses meal replacement powder suitable for kidney disease dialysis patients. The meal replacement powder comprises the following components: lotus root, millet, buckwheat, Chinese yam, potato, Chinese chestnut, pearl barley, black rice, oat, Gorgon fruit, rice, black sesame, konjak, walnut, medlar, fermented black soya bean, red dates, maltodextrin, camellia oil, purple perilla seed oil, concentrated whey protein, L-malic acid, L-carnitine and lime acetate. The invention also discloses a preparation method for the meal replacement powder suitable for the kidney disease dialysis patients; the meal replacement powder disclosed by the invention is nutritionally balanced diet specially prepared for the kidney disease dialysis patients according to the homology theory of medicine and food of traditional Chinese medicine and the modern nutrition theory.

The invention relates to an environment-friendly wear-resistant anti-static plastic. The formula of the environment-friendly wear-resistant anti-static plastic comprises raw materials in parts by weight as follows: 100 parts of PVC (polyvinyl chloride), 15 parts of a fatty acid salt amphoteric antistatic agent, 8 parts of polyisoprene, 5 parts of thermosetting resin, 5 parts of carbon fiber, 3.2 parts of uracil, 2.5 parts of polycaprolactone, 2.5 parts of silicone oil, 2 parts of ethyecellulose, 5 parts of calcium acetate, 1.5 parts of glass fiber and 1.5 parts of fatty acid. The plastic is environment-friendly, wear-resistant and excellent in anti-static performance, and static electricity cannot be produced after friction.

A concrete anti-dispersant for curing sea embankment underwater consists of methyl-gum-base polysaccharose, 1,3-beta glucose, amino-sodium carboxylic multi-polymer, ethylene oxide-epoxypropane multi-polymer, lime acetate, lithium chloride, lithium carbonate, urotropine and triterpene saponin. It has fast coagulating speed for underground mortar and concrete mixture, high strength and strong anti-dispersion. It can be used for curing engineering underground.

The invention relates to a method for preparing europium-doped calcium titanate CaTiO3: Eu3 plus fluorescent powder by the solvent-thermal method, which comprises the following steps: (1) dissolving tetrabutyl titanate in anhydrous ethanol at room temperature, simultaneously carrying out magnetic stirring, dripping ammonia solution into the mixed solution, obtaining white precipitate, centrifugating and washing a product; (2) mixing and stirring ethylenediamine, ethanolamine, deionized water, calcium acetate, europium nitrate, sodium hydroxide and polyethylene glycol, pouring the solution andthe product into a reaction kettle, increasing the temperature to 180-220 DEG C and carrying out reaction for 8-12h; and (3) collecting the reaction product in a centrifugation way after the reactionis finished, respectively washing the product with acid and deionized water, drying, and obtaining the CaTiO3: Eu3 plus fluorescent powder. The preparation method has simple process, low synthesis temperature and is applicable to industrial production, and the prepared fluorescent powder has the advantages of good dispersivity, high chemical stability, high crystal phase purity, small size and hollow pipe-like structure.

The invention belongs to the technical field of medicament preparation, and particularly relates to a method for preparing a calcium gluconate injection. Every liter of the injection contains 90 to 110g of calcium gluconate, 3 to 40g of calcium acetate, 0.5 to 2g of sodium acetate, 0.5 to 6ml of glacial acetic acid, 1 to 10g of sodium hydroxide and the balance of water for injection. Compared with the prior art, the method has the advantages that the sodium acetate and the calcium acetate are added in a prescription process of the calcium gluconate injection, so that the dissolution-promoting effect of the calcium gluconate is enhanced; the sodium acetate and the calcium acetate are taken as a co-solvent and a stabilizer of the calcium gluconate, so that the stability of the calcium gluconate injection is enhanced. As proved by long-time review of stability, crystals are basically not produced in a storage period, particularly under a low-temperature condition, and stable quality is achieved.

The invention discloses a preparation method of low-fishy-smell fish glutin. The method is characterized by comprising the following steps: thoroughly cleaning silver carp scales, intermittently mashing the processed fish for 3min by using a tissue masher, and cleaning the smashed fish flesh with clear water; carrying out decalcification for 1h according to a mass ratio of the fish scale to the 0.5 M of acetic acid solution of 20: 1-10: 1, cleaning the decalcified fish scales with running water, removing generated calcium acetate and residual acetic acid, adding distilled water, and adjustingthe pH to 6.0 to 10.0; adding polysaccharide gum accounting for 1 to 5% of the mass of the fish scale-water mixture, controlling the ultrasonic power to be 100 to 250w and the temperature to be 60 to80 DEG C, and carrying out treatment for 1 to 5h; and then filtering an extracting solution with a 200-mesh gauze, intercepting the extracting solution with a 200-50kDa filter membrane, taking a filtrate, and then freezing and drying the filtrate or drying the filtrate by spraying to obtain low-fishy-smell fish glutin. The method has advantages of high foamability and good emulsifying property.

The invention discloses a method for preparing wear-resisting biological ceramic film on surface of titanium alloy through micro-arc oxidation. The method comprises the steps of pretreatment, staged composite micro-arc oxidation and aftertreatment. According to the method for preparing wear-resisting biological ceramic film on the surface of the titanium alloy through the micro-arc oxidation, micro-size graphite particles are added in a lime acetate-phosphate base electrolyte system, the biological ceramic film with good wear-resisting performance is prepared, the electrolyte is prepared through lime acetate, EDTA-2Na, monopotassium phosphate and micro-size graphite powder, the concentration ratios of the lime acetate, the EDTA-2Na, the monopotassium phosphate and the micro-size graphite powder are 3.5:5.6:1.4:1 to 1.8:2.8:0.7:1. The method for preparing wear-resisting biological ceramic film on the surface of the titanium alloy through the micro-arc oxidation has the advantages that the wear-resisting performance of the micro-oxidation film is improved greatly, and the service life of an implant in a biological tissue can be improved effectively.

The invention discloses a novel bean curd coagulant, which is prepared by 1 part of sodium malate, 2 parts of calcium malate, 1 part of sodium succinate, 1 part of calcium acetate, 1 part of sodium tartrate, 3 parts of calcium lactate and 2 parts of magnesium citrate by weight. The novel bean curd coagulant is the organic acids coagulant which majors in calcium and magnesium organic acid salt so as to accelerate solidification of the bean curd; and bean curds prepared by the novel bean curd coagulant is exquisite smooth and has better taste.

The invention discloses a high temperature dye leveler for polyester fibers, which is composed of the following raw materials in parts by weight: 1 to 2 parts of polyglycerol monostearate, 0.2 part of zinc acetate, 1 part of dodecyl trimethyl ammonium chloride, 80 parts of dye leveler, 0.1 part of magnesium acetate, 12 parts of polyamide, 0.3 part of calcium acetate, 5 parts of polyethylene glycol, 0.2 part of tin acetate, 4.5 parts of glycol, 3 parts of dimethyl terephthalate, and 1 part of carboxyl propyl methyl cellulose. The high temperature dye leveler is used for polyester fibers, enables the fabric made of the dyed polyester fibers to have a more uniform and brighter color and luster, has a very good dye leveling effect, and moreover can improve the fluffy and soft touch-feel, anti static performance, smoothness, and hydrophilicity of polyester fibers.

The invention discloses a preparation for remedying and preventing calcium deficiency and a calcium supplementation preparation. The invention is made mainly from the major raw materials of calcium acetate, glucosamine hydrochloride, casein phosphopeptide, chondroitin, and lysine hydrochloride. The mixing portions of the raw materials are 10-60 portions of calcium acetate, 1-20 portions of glucosamine hydrochloride, 1-8 portions of casein phosphopeptide, 10-60 portions of chondroitin, 1-20 portions of lysine hydrochloride, and 0.1-200 portions of supplementary materials. The calcium acetate in the invention can realize the aim of remedying and preventing the calcium deficiency in a calcium direct supplementation form. The glucosamine hydrochloride can ameliorate the metabolism and nutrition of bones, and can protect cartilage tissues. The casein phosphopeptide can promote the absorption and utilization of human body to the calcium. The chondroitin plays an important role during the bone formation process. The lysine hydrochloride can improve the absorption and accumulation of human body to the calcium, and can accelerate the growth of the bones. The preparation of the invention supplements the calcium directly, promotes the absorption of the calcium, reduces the loss of the calcium, ameliorates the metabolism and nutrition of the bones, and realizes the aim of remedying and preventing the calcium deficiency.

The invention discloses an antistatic polyamide composite material and a preparation method thereof. The antistatic polyamide composite is prepared from the following raw materials in parts by weight: 40-50 parts of polyamide, 20-30 parts of polyphenylene sulfide, 20-30 parts of poly (4-vinylpyridine), 30-80 parts of polyimide, 40-60 parts of calcium acetate, 20-30 parts of carbon black, 20-70 parts of sulfur, 30-60 parts of barium sulfate, 4-15 parts of toluene diisocyanate, 10-30 parts of stabilizer, 10-30 parts of titanium dioxide and 40-90 parts of resin. The preparation method comprises the following steps: adding polyamide, polyphenylene sulfide and polyvinyl pyridine in a reaction kettle, uniformly stirring, heating, and raising the temperature to 115-120 DEG C; adding polyimide, calcium acetate, carbon black and sulfur within 15-45min, raising temperature to 200-250 DEG C, and reacting for 1-2h; adding the rest of components, uniformly mixing, and carrying out extrusion pelletizing. The antistatic polyamide composite has surface resistance of 3.2*10<6>-3.8*10<6> omega and arc resistance of 120-125s and also has good antistatic effect.

This invention is the preparation method of carboxymethyl chitosan calcium. The procedure is as followings: dissolve carboxymethyl chitosan calcium in water, react with the aqueous solution or powder of one among calcium chloride, calcium acetate, calcium gluconate and calcium lactate, filer, centrifuge, wash the solid product, dessicate and dry. The carboxymethyl chitosan calcium's molecular weight is in the range of 1KD-1000KD. Weitht ratio in the reaction between carboxymethyl chitosan calcium and chitosan calcium (the others is the same) is 10:0.1-6. The carboxymethyl chitosan calcium we get here could be used wound or operational haemostasis. It also helps supplement calcium and get rid of the deleterious element lead. In the conclusion, our product carboxymethyl chitosan calcium could be used as haemostatic, replenishing calcium regent and anti-lead reagent.

The invention discloses a treatment method of low-concentration acetic acid wastewater containing inorganic metal ions and organic impurities. The treatment method includes: subjecting the acetic acidwastewater to calcification treatment to convert acetic acid in the wastewater into calcium acetate, sulfate ions into calcium sulfate precipitate and metal ions into hydroxide precipitate; performing filtration to obtain a filter cake containing calcium sulfate and hydroxide as well as calcium acetate aqueous solution; subjecting the calcium acetate aqueous solution to MVR treatment to obtain acalcium acetate suspension, filtering the calcium acetate suspension to obtain the filtrate and the filter cake containing the calcium acetate, performing crystallization drying on the filtrate to obtain the calcium acetate, combining the calcium acetate with the filter cake containing the calcium acetate to obtain a calcium acetate solid, performing hydrolysis on the calcium acetate solid to obtain ethylic acid and calcium sulfate, and performing thermal analysis on calcium sulfate and / or the filter cake containing calcium sulfate and hydroxide; performing deep purification on the gas containing organic steam, produced by thermal analysis, the steam containing organic matter, produced by MVR treatment and the steam produced by crystallization and drying are all introduced into an oxygen cracking unit; the purification and resource treatment of the acetic acid wastewater is realized.

The invention provides a method for recycling mixed acid of nitric acid, hydrofluoric acid and acetic acid. The method is briefly described in the specification: 1) lime is added into mixed acid in the stainless steel industry, and iron mud and heavy metal mud such as chromium, nickel, zinc and the like are precipitated respectively by adjusting to different pH values; 2) the obtained dilute calcium nitrate solution enters an evaporation platform to obtain liquid calcium nitrate with the content of more than 50%; 3) the liquid calcium nitrate is reacted with mixed acid in the photovoltaic industry to generate calcium fluoride precipitate; 4) separation then is carried out to obtain a high-purity CaF2 product and lime is added into the filtrate to neutralize and precipitate to remove residual fluorine ions and silicate radicals; 5) industrial nitric acid then is added into the separated filtrate for converting calcium acetate in the solution into calcium nitrate and acetic acid, and then the acetic acid and water are evaporated out through an evaporation platform to obtain a calcium nitrate concentrated solution and dilute acetic acid; 6) finally, the calcium nitrate concentrated solution is cooled, crystallized and centrifugally separated to obtain a Ca(NO3)2.4H2O product with the mass fraction of more than 90%. According to the method, the limitation of an existing fluorine-containing mixed acid treatment process is solved, and the purpose of higher resource recycling value is achieved.

The invention relates to a scale inhibitor for cooling water and a preparation method of the scale inhibitor. The scale inhibitor contains the following components in parts by mass: 1-6 parts of polyacrylic acid, 0.8-4 parts of 1-hydroxyethylidene-1,1-diphosphonic acid, 1.5-7 parts of potassium tripolyphosphate, 2-8 parts of phosphate ester, 50-80 parts of sodium phosphate, 0.5-2 parts of sodium 2-mercaptobenzothiazole, 0.2-0.7 part of fatty alcohol-polyoxyethylene ether, 12-22 parts of sodium humate, 15-28 parts of isopropoxyboronic acid pinacol ester, 0.5-1.2 parts of calcium acetate, 1-3.5 parts of urotropine, and 6-14 parts of citric acid. The scale inhibitor provided by the invention has a scale inhibition rate of more than or equal to 98%, and a corrosion inhibition effect of more than or equal to 98%, has good water softening and antibacterial effects, and moreover, has an effect of cleaning rust and passivating metals, thereby being a good scale inhibitor for cooling water.

The present invention relates to a pharmaceutical calcium acetate formulation and a process for making the same. In particular, the present invention relates to a calcium acetate capsule formulation comprising granules comprising calcium acetate along with other formulation adjuvants contained within a pharmaceutically acceptable capsule.

The invention relates to a tunnel fire prevention pigment which comprises the following ingredients in parts by weight: 10-13 parts of expanded vermiculite, 15-18 parts of hydroxymethyl cellulose, 30-40 parts of styrene-acrylic emulsion, 12-15 parts of hydrochloric acid, 3-7 parts of zinc acetate, 6-12 parts of lime acetate, 2-5 parts of nano titanium dioxide, 11-16 parts of hexamethyl cellulose, 25-35 parts of sulphate aluminium cement and 4-7 parts of auxiliary agent. The tunnel fire prevention pigment is nontoxic and smoke-free, meets an environmental requirement, has the characteristics of good water resistance and low cost, and overcomes the defect that the existing tunnel fire prevention pigment is low in fire endurance.

The invention relates to a cadmium-reducing agent for corns. The cadmium-reducing agent is prepared by crushing and mixing cadmium-reducing components, an adhesive, a pigment and an auxiliary agent, wherein the cadmium-reducing components are calcium acetate and zinc chloride, the adhesive is carboxymethyl starch, the pigment is basic malachite green, and the auxiliary agent is sepiolite. The cadmium-reducing agent provided by the invention is applicable to the leaf surface spraying of corns planted in soil polluted by cadmium, and reduces the cadmium content of corn kernels. According to theinvention, the cadmium-reducing agent is mixed with water according to the mass ratio of 1:(155-175) to prepare a suspension, leaf surface spraying is respectively carried out once in the tasseling stage, the silking stage and the early mature stage of the corns, and the cadmium content of the corn kernels is reduced by 40.3-60.8%. The cadmium-reducing agent provided by the invention does not influence normal growth of the corns, and has no adverse effect on the soil environment quality. The cadmium-reducing agent has the advantages of simple and convenient production, low cost and convenientuse, and can effectively reduce the cadmium content of corn kernels, and the economic benefit, the social benefit and the ecological benefit are significant.

The invention relates to polyurea calcium acetate lubricating grease and a preparation method thereof. The polyurea calcium acetate lubricating grease comprises the following components in percentage based on the total weight of the raw materials of the lubricating grease: 25-63% of base oil, 3-5% of 4,4'-methylene bis(phenyl isocyanate), 2-10% of organic amine, 20-55% of high-base-number calcium sulfonate, 10-15% of glacial acetic acid, 0.1-1% of antioxidant and 0.01-0.3% of corrosion inhibitor. Meanwhile, the invention also provides a preparation method realizing high yield and good quality. Compared with the common extreme pressure lithium-based lubricating grease and extreme pressure complex lithium-based lubricating grease, the polyurea calcium acetate lubricating grease provided by the invention has excellent anti-wear extreme pressure performance, antirust performance, colloid stability and water resistance without adding the additives such as extreme pressure anti-wear additives, antirust agents and the like.

The invention provides a preparation method of a photocatalyst for photocatalytic degradation of formaldehyde. According to the preparation method, an isonicotinoyl hydrazone lanthanum complex and bismuth-lanthanum co-doped nano titanium dioxide are used as main raw materials; a gel-like structure is prepared, the specific surface area is large, the light absorption area and the contact area withformaldehyde are increased; it is beneficial to light absorption and formaldehyde adsorption, the efficiency of photocatalytic degradation of formaldehyde is greatly increased, the formaldehyde degradation requirements (effective degradation can be realized no matter the concentration is high or low) in a daily environment can be met, and rapid degradation on formaldehyde in a shorter time can berealized. The preparation method of the gel structure comprises the following steps: adding the isonicotinoyl hydrazone lanthanum complex, and the bismuth-lanthanum co-doped nano titanium dioxide intodilute nitric acid, adding calcium acetate monohydrate and sodium hexametaphosphate, carrying out ultrasonic dispersion to obtain a turbid liquid, uniformly spraying the turbid liquid into a sodium silicate solution, and finally, adding ammonia water through spraying.

The invention provides an apolipoprotein A1 detection kit. The apolipoprotein A1 detection kit comprises a reagent R1 and a reagent R2, wherein the reagent R1 comprises 0.8 to 51g / L of octylphenoxypolyethoxyethanol; the reagent R2 comprises 0.8 to 51g / L of octylphenoxypolyethoxyethanol, 0.01 to 15.5g / L magnesium salt, 0.01 to 20g / L of lime acetate, and an antibody. The kit is good in antibody performance and repeatability, and accurate in reagent detection result, and can meet the use requirement.

The invention discloses a quickly-disintegrated calcium vitamin D tablet and a preparation method thereof. The tablet is prepared from the following raw materials in parts by weight: 80-90 parts of calcium acetate, 0.1-1 part of vitamin D3, 2-9 parts of a disintegrating agent, 2-10 parts of filler, 1-8 parts of a lubricating agent and 0.2-2 parts of a flavoring agent. The preparation method comprises the following steps: weighing calcium acetate, vitamin D3, filler and partial lubricating agent, adding into a tablet machine or a rolling machine, and performing primary tabletting to prepare a flake; crushing and grinding the flake into particles having a proper size, adding the disintegrating agent, the flavoring agent and the rest lubricating agent, stirring, mixing and granulating; and sufficiently mixing various raw materials, detecting content and tabletting. According to the calcium vitamin D tablet, the main drug is calcium acetate which is easily hydrolyzed and absorbed, the effective drug has high content, and the tablet can be quickly disintegrated, so that the bioavailability of the medicine can be improved.