82 results about "Chloride" patented technology

RO membranes using chlorinated water as a feed stream maybe protected from damage by the chlorine with a protective layer including reactive nitrogen which forms chloromines on the surface of the membrane that reduce chlorine penetration. This protective layer also provides substantial anti-fouling capabilities, whether used with a chlorinated or unchlorinated feed stream because the chloramines are anti-bacterial. Although chlorine is lost in use, the anti-fouling layer or coating can be recharged with additional chlorine without damaging the discrimination layer. The anti-fouling layer or coating may be advantageously used with Thin film composite, TFC, membranes for use in forward and reverse osmosis may include nanoparticles, monohydrolyzed and/or di-hydrolyzed TMC, and/or alkaline earth alkaline metal complexes or other additives.

The method for preparing active carbon from bamboo raw material includes the following steps: (1). mao bamboo and waste produced by making bamboo wares are used as raw material, through cutting and screening, and screening bamboo scraps or screening bamboo scraps and making them form; (2). low temp. pyrogenic distillation carbonization of bamboo raw material in carbonization furnace, its pyrogenic distrillation carbonization temp. is 200-600 deg.C; (3). in the presence of micro oxygen placing the carbonized bamboo raw material into activating furnace and making activation by using superheatedsteam at high-temp., activating temp. is 400-850 deg.c; and (4) breaking or water washing activated active carbon, drying, sorting and sieving to obtain the invented product. Before carbonization thebamboo raw material can be soaked in mixed solution formed from zinc chloride and hydrogen peroxide or mixed solution formed from phosphoric acid and hydrogen peroxide. Its product not only possessesthe advantages of all the wooden active carbons, but also its methylthionine chloride decolouring power can be raised by 20%.

A method for growing a crystal of an Al-containing III-V group compound semiconductor by the conventional HVPE method, characterized in that it comprises a step of reacting Al with hydrogen halide at a temperature of 700° C. or lower to form a halide of Al. The method has allowed the suppression of the formation of aluminum chloride (AlCl) or aluminum bromide (AlBr) reacting violently with quartz, which is the material of a reaction vessel for the growth, resulting in the achievement of the vapor phase growth of an Al-containing III-V group compound semiconductor at a rate of 100 microns/hr or more, which has lead to the mass-production of a substrate and a semiconductor element having satisfactory resistance to adverse environment.

A multi-layer packaging film is provided having at least four layers arranged in sequence comprising: (1) a heat-sealing first layer comprising at least 50% by weight of a copolymer of propene, and at least one α-olefin selected from the group consisting of ethylene, butene-1, methylpentene-1, hexene-1, octene-1, decene-1 and mixtures thereof, said copolymer having a propene content of at least 60 wt. %, a Tm between about 100° C. and about 145° C., a Mw/Mn of between 1 and 5, and n-hexane extractables of less than 4 wt. %; (2) second and fourth layers each comprising (a) at least 10 wt. % of a first copolymer of ethylene and at least one C₄-C₈ α-olefin, said copolymer having a density of from 0.900 to 0.915 g/cm³ and a melt index of less than 2 dg/min., (b) at least 10 wt. % of a second copolymer of ethylene with from 4 to 18 wt. % of a vinyl ester, alkyl acrylate, acrylic or methacrylic acid, and (c) from 0 to 60 wt. % of a third copolymer of ethylene and at least one C₃-C₈ α-olefin having a density less than 0.900 g/cm³ and a melting point less of between 65-98° C.; and (3) a third layer comprising at least 80% by weight of at least one copolymer of vinylidene chloride with from 2-20 wt. % (based on said copolymer) of vinyl chloride or methyl acrylate.

The present invention is directed to a hard capsule filled with a solution containing an active ingredient, characterized in that the solution contains an inorganic chloride and has a water content (w) of 10<w≦80% and a water activity (a) of 0.50≦a≦0.90, and that the capsule is made of a base material containing a cellulose derivative. According to the present invention, a solution having high water content can be encapsulated, with its solution form being maintained. Thus, the present invention enables provision of a product which does not impair properties and stability of a drug or a similar substance, and does not impair sensation upon intake or eating sensation.

The invention discloses a method for preparing a ZnWO4 nanorod photocatalysis material. The method includes preparing a tungstic acid solution A, a zinc chloride solution B and a sodium citrate solution C; dropwise adding the solution A and the solution C into the solution B to form a solution D; regulating potential of hydrogen (pH) of the solution D to 6-8, and uniformly stirring to obtain a solution E; adding the solution E into a microwave hydrothermal reaction kettle, performing a heating reaction, naturally cooling the solution E to the room temperature after the reaction is finished, and taking out the reaction kettle; and opening the reaction kettle, washing a product for 4-6 times by deionized water and absolute ethyl alcohol, and drying to obtain the ZnWO4 nanorod photocatalysis material. According to the method, the microwave hydrothermal method is utilized to rapidly synthesize the ZnWO4 nanorod with the photocatalysis property, the later crystallization heat treatment is not required, the obtained product is high in purity, and the shape is controllable. The ZnWO4 nanorod with the photocatalysis effect can be synthesized in 10 minutes, and the degradation rate of the prepared ZnWO4 nanorod to rhodamine B in 50-60 minutes can reach to 97%-99%.

The invention discloses a new method for formic acid purifying, which comprises the following steps: the aqueous solution of dilute formic acid with the mass concentration of more than 30 percent and anhydrous calcium chloride are mixed, heated to 80 to 95 DEG C so as to lead the anhydrous calcium chloride to be dissolved, and then formic acid with high concentration is obtained through atmospheric distillation; and the mass ratio of the water in the aqueous solution of calcium chloride anhydrous and the aqueous solution of dilute formic acid is 1: 1.5 to 1.8. The purifying method of formic acid is a process which has the advantages of simple and convenient operation, fastness, low cost and cleanness, thus being suitable for industrial production.

The invention relates to a controlled release potash fertilizer and a preparation method thereof, and raw materials comprise granular potassium sulfate or potassium chloride, humic acid, and bentonites. The preparation method comprises the following steps: well mixing crushed humic acid and bentonites proportionally, preparing the raw materials according to a weight part ratio (granular potassium sulfate or potassium chloride:humic acid:bentonite=60-70:20-25:10-15), coating the surface of granular potassium sulfate or potassium chloride with the mixture of humic acid and bentonites by using an adhesive on a disc granulator. The controlled release potash fertilizer rich in organic matter comprises 30%-40% of potassium elements, 30%-40% of humic acid, and 5%-8% of bentonites, has a high organic matter content, can effectively realize slow and controlled release of the potash fertilizer, thus can reduce the application amount of the potash fertilizer and reduce plantation cost. When the humic acid slow-release potash fertilizer of the invention is applied to crops, not only the yield is increased, but also the quality is improved.

The invention discloses an acidic electroplating zinc-nickel alloy electrolyte, a preparation method and an electroplating method thereof; the electrolyte comprises a basic electrolyte and additives; the basic electrolyte is a weakly acidic solution which comprises zinc ions with mass concentration of 27-38g/L, nickel ions with mass centralization of 23-31g/L, chloride ions with mass concentration of 150-220g/L and boric acid with mass concentration of 25-35g/L at Ph value of 4.8-5.4 and at temperature of 28-35 DEG C; and the additives comprise a brightening agent of 1-12 ml/L, a walk agent of 3-30 ml/L and a disodium ethylenediamine tetraacetate complexant of 10-50 ml/L. The acidic electroplating zinc-nickel alloy electrolyte is rational in proportion and proper in matching; the galvanizing efficient is improved by 30-40% compared with the traditional acidic galvanizing; the corrosion resistance of a zinc-nickel coating can be improved remarkably and the service life of the coating is prolonged; the coating is high in hardness, corrosion resistance, abrasive resistance, pyro-oxidation resistance, compactness and comprehensive performance; the electrolyte does not need to the post-treatment technique, so that the adopted electroplating method is saved in cost, efficient and rapid, convenient in operation and far superior to the traditional alkaline zinc-nickel electroplating.

The invention discloses a method for preparing rod-like magnesium hydroxide from salt lake brine. The method comprises the following steps of: concentrating and crystallizing salt lake brine, from which elements such as potassium and lithium are extracted, serving as a raw material to obtain bischofite; dissolving the bischofite separated by crystallization into water to prepare magnesium chloride solution; introducing ammonia gas to perform magnesium precipitation reaction; when the pH value reaches 7-8, stopping introducing the ammonia gas, reacting at the temperature of 30-50 DEG C for 0.5-2 hours, aging and filtering to obtain alkaline magnesium chloride and magnesium precipitation mother liquor; dispersing the alkaline magnesium chloride in mixed solution of ethanol and water to obtain alkaline magnesium chloride suspension; adding sodium hydroxide to further precipitate to obtain rod-like magnesium hydroxide; filtering and separating to obtain magnesium precipitation mother liquor; replenishing the bischofite and circulating for precipitating the alkaline magnesium chloride; feeding to an ammonia still process along with concentration enrichment of magnesium precipitation mother liquor in ammonia chloride; performing ammonia still with lime; and circulating the produced ammonia gas to precipitate the alkaline magnesium chloride of a next batch and producing byproduct calcium chloride, wherein the magnesium content in the brine is not less than 93.4 g/L. The method has the advantages of high product purity, good economic benefit, no environmental pollution, high operability and easiness for industrial production.

The invention discloses a microbial dust suppressant and its application. The microbial dust suppressant consists of 2.0wt%-3.0wt% of microbial powder, 29.0wt%-30.0wt% of calcium source and 67.0wt%-69.0wt% of ionized water Composition, described microorganism is bacillus lysinus, and described calcium source is calcium chloride. The microbial dust suppressant is evenly sprayed on the sandy soil surface under the condition of the ambient temperature of 2°C≤T≤20°C, uses microorganisms to capture carbon dioxide in the environment and converts it into carbonate, and reacts with an external calcium source to form a gelling effect The carbonate minerals have successfully consolidated loose sand particles into a whole and have certain mechanical properties. Compared with traditional methods, this method has significant dust suppression effect, low cost, convenient construction, no secondary pollution, and good ecological compatibility.

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 graphene-based hierarchical pore capacitor carbon and a preparation method thereof. The preparation method comprises the following steps: water-soluble sugar and a graphenes substance are subjected to a hydro-thermal reaction, a cross-linking agent is added during a reaction process, an activator is added after the reaction is complete, and then the materials are subjected to a carbonization reaction to obtain the product. The cross-linking agent is a nitrogenous foaming agent, and the activator is selected from one or more of potassium hydroxide, sodium hydroxide, zinc chloride and phosphoric acid. According to the invention, stacking and agglomeration of the graphene can be inhibited with a larger degree, the specific surface area and amount of porosity are increased, and the specific surface area utilization rate and specific capacitance are increased.

Methods of enhancing the segregation roast through the use of microwave radiation and chloride ions are disclosed. The processes provide means of recovering metals trapped in ores and slags by reaction of these materials with carbon, chloride and water using microwave radiation as the primary energy source. The metals may be present in starting materials such as metallic sulfides, slags, metallic oxides such as laterites, magnetites, iron oxides, silicates and carbonates. The metals are reduced and can be recovered by separation from the gangue. Water, carbon and chloride can be recycled to the reaction to reduce costs.

The invention relates to a phosphorus-free corrosion and scale inhibitor applicable to high-chlorine high-concentration-multiple circulating cooling water and a preparation method of the phosphorus-free corrosion and scale inhibitor, belonging to the technical field of water treatment. The technical problem to be solved by the invention is to provide the phosphorus-free corrosion and scale inhibitor with low toxicity, chloride resistance and low cost for high-concentration-multiple circulating cooling water containing high-concentration chloride ions. The phosphorus-free corrosion and scale inhibitor is prepared from the following raw materials in parts by weight: 3 to 5 parts of zinc sulfate, 4 to 7 parts of sodium gluconate, 2 to 4 parts of sodium molybdate, 0.5 to 2 parts of benzotriazole, 5 to 9 parts of and acrylic acid-2-acrylamide-2-methylpropanesulfonic acid copolymer, 7 to 12 parts of polyepoxysuccinic acid and 3 to 5 parts of hydrolyzed polymaleic anhydride. Compared with similar corrosion and scale inhibitors, the phosphorus-free corrosion and scale inhibitor for high-concentration-multiple circulating cooling water provided by the invention has the advantages of strongtargeting performance, low toxicity, chloride resistance, low cost, simple operation, convenience, rapidness, environmental friendliness, safety, high efficiency and the like.

The invention relates to a preparation method of a graphite sheet surface chemical plating iron-nickel alloy layer. The preparation method comprises the following steps of 1, carrying out degreasing treatment on a graphite sheet; 2, carrying out oxidation treatment on the graphite sheet subjected to degreasing treatment; 3, carrying out the following sensitized treatment on the graphite sheet by utilizing a stannous chloride solution; 4, carrying out activating treatment on the graphite sheet by utilizing a palladium chloride solution; 5, sequentially adding 8-10 parts of C6H5Na3O7.2H2O powder, 4-5 parts of NH4Cl2 powder, 3-6 parts of FeSO4.7H2O powder, 2-3 parts of NiSO4.6H2O powder and 2-4 parts of NaH2PO2.H2O powder into ultra-pure water according to the mass ratio so as to fully dissolve the powder, adopting a NaOH aqueous solution as a pH adjustment solution, and dropwise adding the pH adjustment solution with the pH being controlled in a range of 9-9.5 to prepare a plating solution for surface chemical plating of the graphite sheet; 6, carrying out chemical plating treatment on the graphite sheet subjected to preliminary treatment. The preparation method is convenient in manufacturing and simple in process, and a compact and uniform plating layer with controllable thickness can be obtained on the surface of the graphite sheet.

The present invention discloses a grafted blending oil-resistant halogen-free electric cable insulation material, which comprises, by weight, 10-20 parts of a vulcanized silicon resin, 40-60 parts of an EVA resin, 10-30 parts of polyamide, 10-20 parts of a POE grafted zinc maleate ionomer, 1-10 parts of low density polyethylene, 1-10 parts of calcium chloride, 60-90 parts of a modified flame retardant agent, 0.1-1 part of a coupling agent, and 0.5-5 parts of an antioxidant. According to the present invention, the grafted blending oil-resistant halogen-free electric cable insulation material uses the maleic anhydride grafted modified low density polyethylene, such that the electric cable is durable, can be used in the kitchen and other heavy oil places, and can still continuously work after encounter of various oil leakage conditions so as to win time for repair; and the process is simple, the use is safe, and the broad market application prospect is provided.

The invention discloses a method for preparing lithium manganate by a wet-doping method. By the wet-doping method, manganese chloride solution, ammonium bicarbonate solution and lanthanum nitrate solution are reacted in aqueous solution. Lanthanum hydroxide and manganese carbonate are generated in a coprecipitation way. Manganic manganous oxide-doped crystals are obtained after high-temperature calcination, crushing and grading. Lithium carbonate and the manganic manganous oxide-doped crystals are mixed according to the molar ratio of lithium to manganese, and the molar ratio is 1.15:2. After being mixed effectively and uniformly, the above mixture is put into a kiln to be sintered at a high temperature. After cooling, crushing, grading, sieving and deironing of the sintered materials, spinel-shaped and lanthanum-doped lithium manganate is obtained. The method can combine materials and doping elements tightly. During the high-temperature calcination reaction, the doping elements can be inserted into crystal structures to be doped completely and fused with the doped crystals together. The doping of lanthanum element can raise the average oxidation state of manganese ions, inhibit Jahn-Teller effect effectively, reduce the capacity fading and raise the cycle performance.

The invention discloses a method for electroplating a goldfinger with a thick gold layer. The method comprises the following processes: a, using copper-clad plate to etch an outer circuit, and forming a goldfinger leading wire; b, coating a coating material so as to form a gold-plating finger area; c, carrying out electronickelling on the gold-plating finger; d, electrogilding on the nickel layer of the gold-plating finger area; and e, removing the goldfinger leading wire and forming a solder mask, wherein a nickel aminosulfonate electroplating liquid is used in the process c for the electronickelling of the gold-plating finger area; and a nickel sulfonic acid electroplating liquid is a mixed solution of 300-600g/L nickel aminosulfonate, 20-50g/L boric acid and 30-70g/L nickel chloride. According to the method, the nickel aminosulfonate electroplating liquid is selected for the electronickelling of the gold-plating finger area, so that the electronickelling efficiency is high, the surface of the electronickelling layer is smooth and does not have residual stress, and the subsequent gold layer can be stably plated without gold throwing; and the goldfinger plated by the method is particularly suitable for electroplating gold layers with the thickness above 30 microinches, the nickel layer can be effectively prevented from being exposed, and the quality of the produced goldfinger can be greatly improved.

The invention provides a sodium alginate adsorption support as well as a preparation method and application thereof, and relates to the field of adsorption materials. The preparation method comprisesthe following steps: preparing a sodium alginate solution with a mass fraction of 2-13% by using sodium alginate as a solute and water as a solvent; then, pouring the sodium alginate solution into a culture plate, standing to remove bubbles, freezing at -35--25 DEG C for 8-12 hours first, and then, carrying out secondary freezing at a60--50 DEG C for 3-5 hours, and carrying out freeze drying in avacuum freeze dryer for 36-60 hours to obtainsodium alginate freeze-dried blocks; soaking the obtained sodium alginate freeze-dried blocks into an ethanol solution, then taking out sodium alginate, removing ethanol attached to the surface, then putting sodium alginate into a calcium chloride solution for a cross-linking reaction, taking out a sodium alginate product after the reaction, and removing calcium chloride on the surface so as to obtain the sodium alginate adsorption support. The sodium alginate adsorption support is low in preparation cost and high in heavy metal adsorption efficiency, and various problems of environmental pollution and production and operation cost are effectively solved.

The invention relates to a flavor yoghourt with black rice and a white peach and a preparation method thereof, belonging to the technical field of processing of dairy products and beverages. The preparation method mainly comprises the following steps: cooking the black rice, then soaking the black rice in a sodium alginate solution with a concentration of 1%, then adding the black rice into a calcium chloride solution with a concentration of 1%, carrying out curing so as to obtain QQ black rice, then mixing the QQ black rice with a sugar solution according to a ratio of 1: 1 and carrying out filling and sterilization so as to obtain QQ black rice jam; cleaning and peeling the white peach, cutting the white peach into peach blocks with sizes of 5*5*5, preparing white peach jam, and then uniformly mixing the QQ black rice jam with the white peach jam according to a ratio of 1: 1 so as to prepare black rice-white peach jam; adjusting the content of protein in raw milk to no less than 3.6%, carrying out fermentation to prepare a yoghourt base-material, mixing the yoghourt base-material with the black rice-white peach jam and carrying out filling so as to obtain the black rice-white peach flavor yoghourt. The black rice-white peach flavor yoghourt is chewy, allows people to feel burst in their mouth and endows people with totally different mouthfeel experience.

The invention discloses a preparation method of a thiourea dioxide low-temperature reduction clearing catalyst for disperse dyes and a reduction clearing method. The thiourea dioxide low-temperature reduction clearing catalyst is obtained by complexing rare-earth chlorides and colorless nitroaromatic compounds of a relatively simple structure according to a certain molar ratio. Dacron fabrics dyedby the disperse dyes are subjected to reduction clearing through a solution prepared from thiourea dioxides, a catalyst and an alkaline agent, and the reduction clearing of the dacron fabrics dyed bythe disperse dyes is achieved under a low-temperature condition. The low-temperature reduction clearing of the dacron fabrics dyed by the disperse dyes is achieved, the reduction clearing temperatureis lowered, energy consumption is saved, the production efficiency is improved, and the dyefastness of the dacron fabrics after reduction clearing is very excellent.

The invention discloses a technology for producing potassium sulphate by a liquid-phase grouting method. The technology comprises the steps of adopting concentrated sulfuric acid or dilute sulphuric acid and industry waste acid and potassium chloride as a raw material; carrying out double decomposition reaction on sulfuric acid and potassium chloride in a liquid phase; producing potassium sulphate through concentrating and grouting processes, cooling the potassium sulphate, and simultaneously neutralizing a free acid by adopting calcium carbonate powder; and finally obtaining agricultural potassium sulphate meeting the GB20406-2006 standard. The potassium chloride is high in conversion rate and short in reaction time, and a potassium sulphate product is high in quality. Furthermore, the disadvantages of serious corrosion and high energy consumption of a Mannheim method are overcome; and the problems that other double decomposition methods are complicated in potassium sulphate production procedure and the product is low in quality are solved.

The invention belongs to the technical field of novel functional material design and preparation and provides a preparation method and application of a MnO2/Cu-Al-BTC ternary metal-organic framework material. The preparation method is characterized in that a Cu-Al precursor material excellent in physical and chemical properties is synthesized by using a microwave-assisted heating-impregnation combined method is as the synthesizing method, selecting the mixed liquid of benzoic acid and acetic acid as the stabilizer and using di-mu-hydroxo-bis[(N,N,N',N'-tetramethylethylenediamine)copper(II)] chloride and aluminum 9-octadecenylacetoacetate-diisopropoxide as the metal salt, and then FMES and OP-6 are selected as the molecule inducer to induce MnO2 to enter the framework structure of the Cu-Alprecursor material to prepare a MnO2/Cu-Al-BTC catalyst with ternary metal active sites. The denitrification efficiency of the prepared material reaches 90-96%, and the structural stability of the material can be kept until the temperature reaches 340 DEG C.

The invention discloses a light and fluffy ecological bacteriostatic down fiber, which is characterized by being prepared from the following raw materials by weight part: 30-35 of white duck down, 2-4 parts of pearl fiber, 4-7 parts of mercerized cotton fiber, 3.7-5.8 parts of chitin, 1.3-2.3 parts of nano-ferroferric oxide, 6-9 parts of tetrabutyl titanate, 3-5 parts of straw charcoal, 0.6-0.8 part of sodium humate, 175-185 parts of 1-butyl-3-methylimidazole chloride, and a proper amount of water. In the invention, chitin molecules and down fiber are combined permanently through chemical modification, and are not easy to fall off, the chitin adsorbed on the down fiber surface is combined with the saliva of microbial phospholipid and penetrates into cells to adsorb anion equipped cytoplasm and undergo flocculation, the normal physiological activities of cells are disturbed and bacteria are killed, and the antibacterial properties are thorough. The ecological bacteriostatic down fiber prepared by the method provided by the invention has the characteristics of magnetic physical therapy efficacy, light weight and good fluffy degree, and excellent heat retention, etc.