73 results about "Rubidium chloride" patented technology

The invention provides a method for recycling rubidium chloride from iron tailings. The method comprises the following steps of: classification: the iron tailings are classified to obtain a first mineral of +10 microns; flotation: the flotation is performed for the first mineral to obtain rubidium concentrate; roasting: the rubidium concentrate is roasted to obtain a roasting product; the leaching and the extraction-back extraction are performed for the roasting product in sequence to obtain a water phase as a rubidium ore solution. The flotation at least comprises sulfur removal flotation and recycling flotation which are performed in sequence; and each of the sulfur removal flotation and the recovery flotation comprises one time of rough concentration, two times of scavenging and four times of concentration. The method, through classification of the iron tailings, can obtain the mineral with the particle size of +10 microns, and the rubidium accumulates in the mineral with the particle size; and the content of the rubidium is 8-10 times higher than that of the rubidium in the raw material of iron tailings, so that the subsequent separation and purification treatment is facilitated.

The invention discloses a catalyst for preparing vinylidene chloride by trichloroethane gas-phase catalytic cracking and a preparation method thereof. The catalyst comprises a carrier and active ingredients loaded on the carrier, wherein, the active ingredients are more than one of cesium chloride, potassium chloride or rubidium chloride. The catalyst obtained by the method can be applied to preparing the vinylidene chloride by 1,1,2-trichloroethane or 1,1,1-trichloroethane gas-phase catalytic cracking, wherein, when the 1,1,2-trichloroethane is taken as a cracking reaction raw material, the conversion rate can reach up to over 23.8%, and the selectivity can reach up to over 87.7%; and when the 1,1,1-trichloroethane is taken as a cracking reaction raw material, the conversion rate can reach up to over 19.2%, and the selectivity can reach up to over 99.5%, thus meeting the industrialization need.

The invention relates to the technical field of rubidium separation and purification, and particularly discloses a method for short-process extraction of rubidium chloride from rubidium-containing high-salt brine. The method comprises the following steps: firstly, adding inorganic alkali into rubidium-containing high-salt brine in stages, precipitating metal ion impurities such as copper, lead, zinc and magnesium, and adjusting the pH value of the high-salt brine to 13-14; and then, carrying out extraction washing reverse osmosis reverse extraction treatment on the high-salt brine by using 4-tert-butyl-2-(alpha-methyl benzyl) phenol as an extracting agent and sulfonated kerosene as a diluent to obtain a reverse extraction solution containing rubidium chloride, and sequentially carrying outprecipitation, calcination and recrystallization treatment on the reverse extraction solution to obtain a high-purity rubidium chloride product. According to the method disclosed by the invention, the rubidium is separated and purified from the high-salt brine by utilizing a short extraction process, so that the extraction process is shortened, partial circulation of washing water is realized, the yield of raffinate is reduced, and the subsequent treatment cost of the salt brine is reduced on the premise of ensuring the separation effect and the recovery rate of the rubidium.

The invention relates to orangered glass and a production method and application thereof; the orangered glass is made from, by weight, 5-13.0% of Na2O, 1-4.5% of Rb2O, 6.4-10.0% of CaO, 2.0-3.0% of BeO, 60-65% of SiO2, 1% of Na2SO4, 4.5% of C, and 5.6% of Se; the above components are introduced in the forms of sodium carbonate, rubidium chloride, limestone, beryllium hydroxide, silica sand, sodium sulfate, carbon powder, and selenium powder respectively. The above materials are mixed well, the mixture is melted at 1485+ / -5 DEG C, the temperature is held for 90 min, the glass melt is poured into a mold that is preheated to 580 DEG C, the mold is placed a resistance furnace held at 580 DEG C for the purpose of annealing, and the temperature is held for 60 min before natural cooling to room temperature. Carbon and selenium are mixed for coloring; as carbon and selenium are used together under controlled usage, the orangered glass can be produced which has bright appearance and full color, never fades and is a novel material for making ornaments.

The invention discloses a method for extracting rubidium and cesium from acid brine, comprising: pumping brine into an adsorption column equipped with ammonium-type chelating resin, calcium ions and magnesium ions are adsorbed by the adsorption column of ammonium-type chelating resin, and the effluent is Brine after removing calcium ions and magnesium ions; the effluent is mixed with t-BAMBP, kerosene or sulfonated kerosene and shaken, and the aqueous phase and the organic phase are separated after standing for stratification; then the organic phase is back-extracted to obtain rubidium chloride and chlorine Aqueous phase of cesium chloride. The method of the invention has simple process and low production cost, can realize the separation and extraction of rubidium and cesium ions in the radioactive water body, and has no secondary pollution.

The invention relates to a comprehensive utilization method for bittern, which belongs to the technical field of salt chemical engineering. The bittern is a liquid mineral product, and is rich in multiple elements such as potassium, sodium, lithium, boron, bromine, iodine and the like; and at present, in the prior domestic bittern development and utilization, some simple components or components with high additional value in the elements are extracted, and the un-extracted components are discharged along with old bittern to be abandoned so as to cause serious waste of resources and pollute the environment. Through reasonable combination of processes of removing H2S from the bittern, settling magnesium, settling calcium and preparing calcium carbonate, preparing potassium-sodium mixed salt through primary salt preparation and secondary salt preparation, extracting potassium chloride through flotation, extracting boron, iodine, bromine, rubidium and cesium through acidification, preparing rubidium chloride and cesium chloride, extracting lithium and the like, the method implements step-by-step ordered extraction of main components; the toil yield of several main components reaches over 95 percent; and the method has the advantages of mutually exclusive loss in component extraction, implementation of closed cycle of processes, no mother liquor discharge, simple process control, low cost, high yield, environmental protection and the like.

The invention relates to rare earth phosphate-based orange red fluorescent powder and a preparation method thereof, the chemical formula of the rare earth phosphate-based orange red fluorescent powderis RbSrGd1-xEux(PO4)2, and x is equal to 0.02, 0.04, 0.06, 0.08, 0.1, 0.12, 0.14 and 0.15. The preparation method comprises the following steps: weighing rubidium chloride, strontium carbonate, gadolinium oxide, europium oxide and diammonium hydrogen phosphate; wherein the mass ratio of rubidium chloride to strontium carbonate to gadolinium oxide to europium oxide to diammonium hydrogen phosphateis 19:19:9.5(1-x):9.5x:38, wherein x is equal to 0.02, 0.04, 0.06, 0.08, 0.1, 0.12, 0.14 or 0.15, performing grinding and uniform mixing, performing heating to 970-990 DEG C in a box-type resistancefurnace in an air atmosphere, performing heat preservation for 6-10h, performing furnace cooling to room temperature, taking out the product, and performing grinding to obtain a finished product. Thepreparation method is simple, the preparation temperature is low, the emission intensity is high, the performance is stable, Eu<3+> is used as a main activating agent, the excitable light wavelength range is wide, the excitable light wavelength range can be effectively excited by near ultraviolet light or blue light emitted by a semiconductor LED chip, sharp spectral line emission is presented, and the material belongs to an orange red light range. The fluorescent powder can emit bright orange red light under the excitation of light with the wavelength of 393 nm.

The invention relates to a preparation method of a lead-free halogen micron crystal as well as a product and application of the lead-free halogen micron crystal, and belongs to the technical field of preparation of the lead-free halogen micron crystal. The invention discloses a preparation method of a lead-free halogen micron crystal, which comprises the following steps: dissolving silver chloride (AgCl) and rubidium chloride (RbCl) in dimethyl sulfoxide, and extracting by an anti-solvent method to obtain the Rb2AgCl3 lead-free halogen micron crystal. The Rb2AgCl3 lead-free halogen microcrystal is prepared by using a normal temperature method and has the advantages of simple experimental steps and easiness in operation, compared with lead-containing halide, the prepared Rb2AgCl3 lead-free halogen microcrystal solves the problem of toxicity of lead, and particularly compared with cesium-lead-bromine, the luminous quantity of the Rb2AgCl3 lead-free halogen microcrystal prepared by the method is higher than that of cesium-lead-bromine under X rays when the Rb2AgCl3 lead-free halogen microcrystal is used as a scintillator material, and the service life of the Rb2AgCl3 lead-free halogen microcrystal is prolonged. And the process for preparing the micron crystal powder into the film is simple, and after the film is prepared, materials in the film are uniformly distributed, so that the imaging effect is better.