49 results about "Bismuth trichloride" patented technology

The invention relates to an all-vanadium flow battery double-function negative electrode, wherein a carbon material is adopted as a substrate, a Bi-containing electro-catalyst is modified on the surface of the substrate, the Bi-containing electro-catalyst is one or more than two selected from a Bi elementary substance, Bi2O3, a Bi halide and a Bi metal salt, the Bi halide is bismuth fluoride, bismuth trichloride, bismuth bromide, or bismuth iodide, and the Bi metal salt is bismuth sulfate, bismuth nitrate, bismuth phosphate, bismuth formate or bismuth acetate. According to the present invention, the electrode is suitable for the negative electrode of the all-vanadium flow battery, the electrocatalysis activity and the electrochemical reversibility of the electrode material on the V<2+> / V<3+> oxidation reduction reaction can be substantially improved, and the charge transfer resistance can be reduced; and the high hydrogen evolution overpotential is provided so as to inhibit the occurrence of the hydrogen evolution reaction and prolong the service life of the battery.

The invention relates to the preparation and application of a bismuth oxychloride as photocatalyst, which belongs to the technical field of environmental and chemical photocatalytic water treatment. The invention adopts bismuth trichloride as material, diluted hydrochloric acid as hydrolytic agent and sodium carbonate as pH regulator to prepare the bismuth oxychloride photocatalyst under the atmospheric temperature and pressure by simple steps such as hydrolyzation, precipitation, solid-liquid separation and drying. The preparation method has the advantages of atmospheric temperature and pressure, simple, safe and controllable technique, easy industrialization, cheap and easily obtained materials and stable product performance. When the bismuth oxychloride photocatalyst is used for oxidating organic matters in water in a research, a result indicates that the bismuth oxychloride photocatalyst has high photocatalytic activity, and the bismuth oxychloride photocatalyst has the same effect as the commercialized P25 photocatalyst under the irradiation of sunlight and simulated sunlight, and a better photocatalytic effect than the commercialized P25 photocatalyst under the irradiation of ultraviolet light.

The invention provides an electrothermal film and a preparation method thereof. The electrothermal film is prepared from the following components in parts by weight: 85 to 100 parts of stannic chloride, 3 to 6 parts of antimony butter, 2 to 4 parts of titanium tetrachloride, 2 to 5 parts of ferric trichloride, 1 to 3 parts of bismuth trichloride, 10 to 15 parts of hydrochloric acid, 20 to 30 parts of isopropyl alcohol, 20 to 40 parts of methanol and 50 to 80 parts of absolute ethyl alcohol. All the components are weighed and mixed to obtain a stock solution of the electrothermal film; the stock solution of the electrothermal film is sprayed to the surface of a base material by adopting the metal salt solution spray pyrolysis method. The electrothermal film and the preparation method thereof have the advantages and the active effects that the electrothermal film is high in heating efficiency; the film forming speed can reach 80nm / min; the preparation method is suitable for manufacturing of a large-area film and large-scale production.

The invention belongs to the technical field of organic chemistry and pharmaceutical chemistry, and particularly relates to a method for preparing 2-C-acetonyl-2-deoxy-D-galactopyranose and derivatives of the 2-C-acetonyl-2-deoxy-D-galactopyranose. In the method, a 1,2-deoxy-7-C-acetyl-alpha-D-galactopyranose derivative reacts with glycosylated acceptors of alcohol, thioalcohol, amino acid derivatives, monosaccharide derivatives and the like in the presence of one of trimethylsilyl trifluoromethanesulfonate, boron trifluoride ether, anhydrous aluminum trichloride, anhydrous bismuth trichloride and anhydrous zinc chloride to generate the 2-C-acetonyl-2-deoxy-D-galactopyranose and the derivatives thereof. The method has the advantages of mild reaction condition, good reaction selectivity, high yield and the like.

The invention provides a mercury-free catalyst for use in production of chloroethylene by a calcium carbide method. A supported mercury-free catalyst of which the metal bismuth simple substance is used as an active ingredient is prepared from bismuth trichloride serving as a raw material and active carbon serving as a carrier by the reduction of hydrogen; and the novel mercury-free catalyst with high activity and stability can be obtained by adding an aid. The mercury-free catalyst has the advantages of safety, no toxicity, environmental protection, low cost and the like, has the high activity and selectivity in a reaction for forming the chloroethylene by the hydrochlorination of acetylene, and can be used as an excellent substitute of a mercury-containing catalyst.

The invention discloses a preparation method of cinacalcet hydrochloride as Formula (I) shown. The preparation method comprises the following steps: 3-(trifluoromethyl) cinnamic acid as shown in Formula (I) serving as a raw material has reduction reaction with sodium borohydride under the catalysis of bismuth trichloride so as to obtain 3-(3-trifluoromethyl benzene)-propionic acid as shown in Formula (III); 3-(3-trifluoromethyl benzene)-propionic acid directly has condensation reaction with R-1-naphthylethylamine (compound V) to obtain a compound (VI); and the compound (VI) has reduction reaction with sodium borohydride in the presence of tetrahydrofuran solution of iodine so as to obtain a hydrochloride used for preparing cinacalcet hydrochloride. Compared with conventional technique, the method disclosed by the invention is safe, environment-friendly, convenient to operate, low in cost, and high in yield of the product, and is suitable for industrial production; and the method has high practical production value.

The invention discloses a method for preparing a bismuth film by a pulse plating process. The method is characterized by comprising the following steps of: preparing one liter of plating solution by using 40 to 120g of bismuth trichloride, 80 to 240g of sodium potassium tartrate, 40 to 60g of potassium citrate, 0.20 to 0.35g of antimony potassium tartrate and 50 to 80g of potassium chloride; and plating by using a copper sheet as a cathode and using a pure gold plate as an anode under the pulse plating process conditions that the current density is 0.55 to 0.85A / dm<2>, the frequency is 500 to 700Hz, the duty ratio is 1:7-1:11, the temperature of the plating solution is 25 to 50 DEG C and the pH value is 7.5 to 11.5, wherein the film deposited on the copper sheet is the prepared bismuth film. The cyanogen-free plating solution is environmentally-friendly and has stable performance; and the prepared bismuth film has smooth and bright surface, low porosity, good bonding force and easily controlled thickness, and has broad application prospect in the fields of electronic materials, component industry and the like.

The invention relates to a preparation method and an application of a Mannich base corrosion inhibitor suitable for high temperature acidification. The preparation method comprises the following steps: preparing an aldehyde-ketone-amine condensate through a Mannich base reaction, and carrying out reduced pressure distillation on the aldehyde-ketone-amine condensate to purify the aldehyde-ketone-amine condensate; and adding the purified aldehyde-ketone-amine condensate into a reaction container, and adding triethanolamine, 3-methyl-1-pentyn-3-ol, peregal O-25, alkylphenol polyoxyethylene OP-10, potassium iodide, methanol, dimethyl formamide and bismuth trichloride into the reaction container under normal pressure. The corrosion inhibitor produced through the preparation method has the advantages of good dispersion in hydrochloric acid, mud acid and ethanol solutions, good surface activity, less coking and low freezing point, and is suitable for yield increase work construction of 120-140DEG C deep wells, 15-28% concentrated hydrochloric acid or mud acid acidification oil and gas wells.

The invention discloses a preparation method of a gadolinium-modified bismuth sulfide nanometer diagnosing agent used for MRI (magnetic resonance imaging) and CT (computerized tomography) double-mode imaging instruction. According to the preparation method, oleic acid, oleylamine, 1-octadecene, neodecanoic acid bismuth and thioacetamide are used as raw materials to composite bismuth sulfide, diethylenetriamine pentaacetic acid bicycle-anhydride and bismuth trichloride are used to prepare a Dd-DTPA-OA ligand, and then the Dd-DTPA-OA ligand is modified by the bismuth sulfide to obtain a gadolinium-modified bismuth sulfide nanometer material. The preparation method of the gadolinium-modified bismuth sulfide nanometer diagnosing agent has the advantages that a research background of an existing medical contrast agent is combined, a CT / MRI double-mode contrast agent preparation is simplified, and the preparation method is simple in preparation, highly controllable, high in efficiency, easy for industrialized production and the like.

The invention discloses an electric heating membrane comprising the following components in percent by weight: 20-40 percent of stannic chloride, 25-35 percent of titanium tetrachloride, 0.2-0.3 percent of calcium chloride dihydrate, 0.1-0.3 percent of bismuth trichloride, 20-40 percent of alcohol and 5-7 percent of water. The invention has the advantages of high heat efficiency, stronger physical and chemical properties, suitability for various environments, no oxidation or ageing phenomena after being heated, convenience for production, high yield, capability of being made into various forms according to the requirement of carrier shapes and convenience for application.

The invention relates to an acidizing corrosion inhibitor applicable to a high temperature of 160 to 180 DEG C and preparation and application thereof. The acidizing corrosion inhibitor comprises a component A and a component B, wherein the component A is composed of polycyclic aromatic hydrocarbon methyl chloride pyridine quaternary ammonium salt, 3-methyl-1-pentyne-3-ol, 2,4-pentanedione, dodecyl pyridine bromide, cinnamaldehyde, potassium fluoride, a thickening agent WH-9603 and methanol, and the component B is composed of ethylene glycol antimony, bismuth trichloride, cuprous oxide and 1+1 hydrochloric acid; during usage, the component B and the component A are successively added into an acidizing fluid. The acidizing corrosion inhibitor is applied to construction for yield increase in a deep well with a temperature of 160 to 180 DEG C and an oil-gas well acidified by 15 to 28% concentrated hydrochloric acid or mud acid and has a low freezing point, good dispersibility in the acidizing fluid, excellent corrosion inhibition action on corrosion by concentrated hydrochloric acid and mud acid at a high temperature, a corrosion inhibition rate of no less than 99% and a corrosion rate lower than the standard of an industrial first-grade product.

The invention discloses a method for preparing a bismuthyl chloride nano-flower and belongs to the technical field of preparation of nano-materials. The method is characterized by comprising the following steps of: dissolving 0.22 grams of bismuth trichloride in 21 milliliters of pyridine; stirring the mixture for 30 minutes; transferring the mixture into a 25-milliliter high-pressure reaction kettle which is provided with a polytetrafluoroethylene liner; performing a reaction on the mixture at the temperature of 180 DEG C for 12 hours; centrifugally washing an obtained sample for three times; and drying the centrifugally-washed sample to obtain a product. The method does not need using an organic template or surfactant, and has the characteristics of one-step synthesis and high yield; bismuthyl chloride nano-sheets are thin and are spontaneously assembled into the nano-flower of a hierarchical structure in a synthetic process. The method has a simple and energy-saving preparation process and is suitable for industrial production. The obtained bismuthyl chloride nano-flower has the advantages of uniform particle size, large specific surface and high catalytic activity.

The present invention discloses industrial preparation process of serial triphenyl bismuth compounds. Serial benzene bromide compounds as material are made to produce Grignard reaction with metal magnesium in anhydrous solvent to produce organic magnesium compounds, which are then reacted with anhydrous bismuth trichloride at 20-120 deg.c to produce serial triphenyl bismuth compounds. The serial benzene bromide compounds include bromobenzene, parabromotoluene, m-bromotoluene, o-bromotoluene, etc; and the anhydrous solvent may be tetrahydrofuran, benzene, toluene, ethyl benzene, etc or their mixture. The reaction time is 2-24 hr. The present invention adopts organic solvent with high boiling point for high safety and easy activation of magnesium, and has mild reaction condition and yield over 90 %.

The invention discloses a mercury-free full-protection paste type zinc-manganese battery, and relates to an improved paste type zinc-manganese battery. The mercury-free full-protection paste type zinc-manganese battery comprises an iron bottom, a zinc barrel, an isolation layer, a battery cell, a carbon rod and a copper cap, wherein the isolation layer comprises main components of flour, starch, electrolyte and a mercury substituting inhibitor, and the mercury substituting inhibitor in the isolation layer comprises the following components in percentage by weight: 0.03 to 0.05 percent of sodium dodecyl benzene sulfonate, 0.025 to 0.04 percent of cetyl trimethyl ammonium bromide and 0.02 to 0.06 percent of bismuth trichloride. The anion and cation organic inhibitors are adopted for compounding, and inorganic inhibitors are added, so the synergy of various inhibitor is utilized to obviously enhance the corrosion inhibition effect. On the basis of the traditional paste type zinc-manganese battery process, the mercury-free full-protection paste type zinc-manganese battery has the advantages of no need of adjusting the production process, readily available materials of the inhibitors, low cost, electrical performance equal to that of mercury-containing batteries, and suitability for manufacturing paste-type zinc-manganese batteries in various models and specifications.

The invention belongs to the field of advanced oxidation and advanced treatment of wastewater, particularly relates to preparation and application of a BiOCl / Fe-MOFs composite catalytic material, and is suitable for removing organic pollutants in wastewater. According to the preparation method, ferrous chloride, a bismuth trichloride aqueous solution and a sodium hydroxide solution of trimesic acid are mixed and react to obtain the BiOCl / Fe-MOFs composite catalytic material. The preparation method is high in preparation speed, adjustable in product composition, high in purity, simple, free of special equipment, free of DMF, ethylene glycol and other organic solvents, low in cost, green and environment-friendly in preparation process, suitable for industrial production, capable of meeting the actual application requirement. The catalyst has a good effect of catalyzing H2O2, persulfate, O3 and other oxygen sources to degrade organic matter under the assistance of visible light.

The invention discloses a method for determining the content of impurity elements in highly-pure bismuth. HCl gas volatilization is adopted to remove a bismuth main body in order to solve the problemsof main body interference and difficulty in removal of the main body; bismuth reacts with a hydrogen chloride gas to generate bismuth trichloride, and volatilization removal is carried out, so a bismuth matrix is effectively removed without introducing new impurity elements, and the background interference of the main body element is effectively avoided, thereby the main peaks of elements to be measured are significant, the sensitivity is increased, and the reappearance is high. The analysis method used in the invention has the advantages of realization of simultaneous determination of multiple elements, convenience in operation, fast analysis speed, shortening of the analysis period, improvement of the analysis efficiency, and reduction of the labor intensity of analysis operator. A determination result obtained by using the method for determining the content of the impurity elements in the highly-pure has good stability, good reappearance and good accuracy. Test proves that the method is reliable and practical, and can meet the requirements of the detection of the content of the impurity elements in the highly-pure bismuth used for production and researches.

The present invention discloses preparation process of tri (4-ethoxy phenyl) bismuth. The present invention prepares tri (4-ethoxy phenyl) bismuth with 4-halogeno phenetole as main material, and through reaction with Grignard reagent, which is produced through reaction of alkyl halide, magnesium powder and tetrahydrofuran, and the tetrahydrofuran solution of bismuth trichloride in tetrahydrofuran as reaction solvent. The process of the present invention can obtain tri (4-ethoxy phenyl) bismuth with purity over 99 % and smelting point of 72.4-74.1 deg.c in yield of 80-85 %. Compared with available technology, the present invention has the advantages of mild reaction condition, short reaction period, high product quality, etc and is suitable for industrial production.

The invention discloses a diatomite-loaded lanthanum-doping nano bismuth oxychloride composite material as well as a preparation method thereof. The preparation method comprises the following steps: S1, grinding and drying diatomite, thus obtaining diatomite concentrate; S2, mixing the diatomite concentrate in step S1 and water, dropwise adding bismuth trichloride aqueous solution at a stirring state, then dropwise adding a mixed solution of ammonium sulfate solution and strong hydrochloric acid, and reacting for 0.5 to 2.5 hours at 20 to 95 DEG C, thus obtaining a reaction solution; and S3, adding a lanthanum nitrate aqueous solution into the reaction solution in S2, suction filtering, washing, drying, calcining for 2 to 4 hours at 450 to 750 DEG C, and finally obtaining a composite material. The invention also provides application of the composite material in eliminating indoor air pollutants. According to the preparation method disclosed by the invention, nanoscale La-BiOCl particles are loaded into pores and onto surfaces of the diatomite by virtue of a hydrolytic precipitation method to synthesize the La-BiOCl / diatomite composite material, and an excellent purification effectfor pollutants in the indoor air can be achieved.

The invention discloses a preparation method and application of a high-stability bismuth-iodine hybrid light absorber Me4ppi-BiI4. The structural formula of the material is Me4ppi-BiI4, wherein Me4ppirepresents methylated 4-phenylpyridine cations, and BiI4 anions in the material are one-dimensional anion chains formed by coordination of trivalent bismuth ions and iodide ions. Bismuth trichloride,4-phenylpyridine, methanol, acetonitrile and hydroiodic acid are selected as the reaction raw materials to synthesize a single crystal of the compound Me4ppi-BiI4. The material can bear for at least35 days and 7 days respectively under a relative humidity of 75% and sunlight and maintain excellent photoelectric response capability, and powder diffraction proves that the phase purity of the compound is maintained under two conditions.

The invention relates to a preparation technology of a catalyst, in particular to a mercury-free catalyst for hydrochlorination synthesis of vinyl chloride, and a preparation method of the mercury-free catalyst. The catalyst takes a carbon nano tube, pretreated by a phosphoric acid solution of a certain concentration, as a carrier, takes palladium chloride as a main active component, takes cuprous chloride or bismuth trichloride as an auxiliary active component, and takes potassium chloride or barium chloride as an auxiliary agent. The multi-component composite mercury-free catalyst shows high activity and selectivity in the hydrochlorination synthesis of the vinyl chloride, and has high stability. The mercury-free catalyst is environmentally-friendly, simple in production technology and good in stability, can be used for replacing the existing mercury catalyst and is in accordance with the concept of green chemistry, thus having good application prospect.

The invention provides a terahertz technology, a manufacturing method of a graphene far-infrared heating plate and a formula of the graphene far-infrared heating plate. The manufacturing method comprises a step of preparing a graphene solution. The formula of the graphene solution comprises a main solution and an additive, wherein the main solution comprises, by weight, 30-80 parts of graphene, 2-5 parts of indium trichloride, 2-5 parts of antimony trichloride and 2-8 parts of ammonium fluoride; and the additive comprises, by weight, 2-5 parts of titanous chloride, 3-8 parts of stannic chloride, 3-8 parts of ferric trichloride, 5-10 parts of bismuth trichloride and 1-15 parts of ammonium chloride. According to the invention, a far infrared spectrum is matched with terahertz waves to form aresonance effect with water, large water clusters which are not easily absorbed by people generate resonance to be depolymerized and recombined into small water clusters; and in the process, dirt adsorbed to the surfaces of the water clusters is removed, and the irradiated water is more beneficial to human health.

The invention relates to the technical field of photodegradation materials, and discloses a scandium doping zinc oxide-bismuth vanadium oxide composite photodegradation material and a preparation method thereof. A formula includes the following experiment raw materials: zinc hydroxide, citric acid, scandium nitrate hexahydrate, bismuth trichloride, sodium vanadate, sodium hydroxide, and the like.In the scandium doping zinc oxide-bismuth vanadium oxide composite photodegradation material and the preparation method thereof, ZnO is doped with a rare earth element Sc to form Zn0.92-0.97Sc0.03-0.08O, the Sc makes the size of a ZnO crystal reduce, the specific surface area of the ZnO is increased, the diffusion time of photoelectron e<->-hole h+ is shortened during a photocatalysis process, thereby improving the degradation efficiency of a photocatalyst to organic dye, active oxygen is generated by the action of the ZnO and water and oxygen under illumination, the recombination velocity ofBiVO4 photocatalyst electron-hole is reduced, the number of photoelectron e<-> is increased, the organic dye can capture electron e<->, its activation energy is reduced, and the catalytic efficiency and the degradation efficiency of photocatalytic materials to organic dye pollutants are improved.

The invention discloses a heating element based on a thermo-electronic film and a preparation method thereof. The preparation method comprises the following steps that 1, SnCl4.5H2O is added into a mixed solution of ethyl alcohol and deionized water, heating and stirring are conducted till the SnCl4. 5H2O is fully dissolved, antimony trichloride, bismuth trichloride and titanium tetrachloride areadded and stirred to be uniform, and an electric heating film solution is obtained; 2, the preheated tubular base body is placed in a high-temperature furnace, vaporous electrothermal film liquid is introduced into the high-temperature furnace, the vaporous electrothermal film liquid is deposited on the surface of the tubular base body, heat preservation is conducted, then natural cooling is conducted, and an electrothermal film layer is obtained; wherein the tubular base body rotates around the central axis of the tubular base body in the high-temperature furnace; and 3, manganese dioxide, nickel sesquioxide, cobalt sesquioxide and chromium oxide are mixed, and the mixture is sprayed on the outer side of the electrothermal film layer to obtain the infrared emission film layer.

The invention relates to a preparation method of a stable nanocrystal with a NaYF4:Yb3+ / Er3+@BiOCL (bismuth oxychloride) core-shell structure. The preparation method of the stable nanocrystal with theNaYF4:Yb3+ / Er3+@BiOCL core-shell structure aims at solving the technical problem of low photoelectric conversion efficiency in the existing NaYF4:Yb3+ / Er3+ up-conversion dye-sensitized solar battery.The preparation method comprises the following steps of 1, preparing a BiCl3 (bismuth trichloride) solution; 2, adding NaYF4:Yb3+ / Er3+ into the BiCl3 solution, so as to obtain the BiOCL-coated NaYF4:Yb3+ / Er3+ nanocrystal; 3, sintering the BiOCL-coated NaYF4:Yb3+ / Er3+ nanocrystal, so as to obtain the stable nanocrystal with the NaYF4:Yb3+ / Er3+@BiOCL core-shell structure. A light anode of the dye-sensitized solar battery prepared from the nanocrystal has the advantage that the battery efficiency is improved by 10% to 14% than the untreated NaYF4:Yb3+ / Er3+ material, so that the nanocrystal can be applied into the dye-sensitized solar battery.

The present invention discloses a preparation method used for synthesizing a chloroethylene mercury-free catalyst. The preparation method comprises the following steps: coal-based activated carbon issubjected to ultrasonic washing with distilled water; the washed coal-based activated carbon is dried for standby application; tin tetrachloride, copper chloride, bismuth trichloride, barium chlorideand cerous chloride are dissolved in a hydrogen chloride solution to prepare impregnation liquid; then the impregnation liquid is loaded onto the above treated activated carbon by an equal volume impregnateon method; the treated materials are transferred to a rotary evaporator at 60-64 DEG C for a rotary evaporation for 5.5-6.5 h; water is basically evaporated; finally the materials are dried in an oven at 100-105 DEG C for 13-15 h; and the finished product is obtained by cooling. The method is simple, rapid and easy to operate. The prepared mercury-free catalyst has a good catalytic performance close to a level of mercury catalysts, and is also good in stability and long in service life.