9 results about "Rubidium chloride" patented technology

The invention relates to the field of preparation methods of rubidium chloride, in particular to a method for preparing high-purity rubidium chloride from manganese-series iron alloy fly ash trace rubidium. The method comprises the following steps: water leaching, filter pressing, sulfuric acid preparation, refined filtration, evaporation, concentration and crystallization, centrifugal separation, extraction liquid preparation, extraction, washing, reverse extraction, concentration and crystallization, filtration and drying. According to the method, the trace rubidium element is efficiently separated and enriched from the fly ash with complex components and high potassium and sodium content, and finally the high-purity rubidium chloride product is obtained. The core breakthrough of the method lies in that efficient separation of potassium, sodium and rubidium ions is achieved through a series of precisely controlled unit operations, especially high-selectivity separation of the extraction section, the separation rate exceeds 99%, the extraction purity and recovery efficiency of rubidium are greatly improved, and a reliable way is provided for high-value resource utilization of the manganese-series iron alloy fly ash.

The application discloses a method for preparing high-purity rubidium chloride from rubidium coarse salt, which comprises the following steps: (1) obtaining an acid rubidium-containing solution from the rubidium coarse salt, adding a precipitant to obtain a precipitate; (2) dissolving the precipitate to obtain a complex salt solution containing rubidium; (3) recrystallizing to obtain a crystal; (4) washing the crystal to obtain a high-purity crystal; (5) adding the high-purity crystal into water to perform slurry preparation, and then adding ammonia water to react until the reaction is completed, so as to obtain a solution containing rubidium chloride; and (6) performing post-treatment on the solution containing rubidium chloride. The method for preparing high-purity rubidium chloride from rubidium coarse salt has the advantages that the purity of the final product can reach more than 99.99%, the technological process is simple, the production process is green and environment-friendly, the raw material consumption and production cost are low, and a feasible technical scheme is provided for large-scale industrial production of high-purity rubidium chloride.

The present application discloses a rubidium chloride doped perovskite, a perovskite solar cell and a preparation method thereof, wherein the rubidium chloride doped perovskite comprises a perovskite main body and (PbI2)2RbCl, and an XRD characteristic peak of (PbI2)2RbCl is located at 11.3°. The perovskite solar cell comprises a substrate, an electron transport layer, a perovskite light absorption layer, a passivation layer, a hole transport layer and a metal electrode which are sequentially stacked.

This invention belongs to the field of comprehensive lithium slag recycling technology, and provides a method for the comprehensive recovery of lithium, rubidium, cesium, niobium, and tantalum from lithium slag. The method includes: magnetically separating lithium slag to obtain niobium-tantalum concentrate and tailings; sequentially roasting and alkali leaching the tailings to obtain leaching residue and leachate; adding a lithium adsorbent to the leachate for lithium adsorption to obtain a lithium-rich adsorbent and a lithium-removed liquid; desorbing the lithium-rich adsorbent to obtain a lithium-containing solution; then adding sodium carbonate to the lithium-containing solution to obtain lithium carbonate; and extracting and back-extracting the lithium-removed liquid to obtain rubidium chloride and cesium chloride. This invention enables the full recycling and utilization of lithium slag, recovering rubidium, cesium, niobium, and tantalum rare metals simultaneously with lithium, achieving resource-based treatment of solid waste. The lithium recovery rate reaches over 90%, and the rubidium and cesium recovery rates reach over 70%. The obtained lithium carbonate can be directly used, and the leaching residue can be directly used as cement raw material, thus improving the comprehensive utilization value of lithium slag.

The application discloses use of rubidium chloride in preparation of a medicine for treating Parkinson syndrome. The rubidium chloride has a protective effect on MPTP-induced Parkinson syndrome in mice, and provides a theoretical basis for preventing and treating Parkinson syndrome.

The invention discloses a method for preparing rubidium chloride from rubidium desorption liquid obtained by an adsorption method. According to the method, a membrane electrolysis coupling extraction method is adopted, electrons are used as driving force, and while impurities are removed, rubidium is extracted and separated by electrolyzing rubidium desorption liquid, generating alkali and cooperating with subsequent t-BAMBP. According to the method, the advantages of an adsorption method and an extraction method can be integrated and complement each other, magnesium ions in the rubidium desorption solution are precipitated by electrolyzing the rubidium desorption solution, an alkaline solution is formed at the same time, introduction of foreign ions can be avoided, the counter-current extraction level is reduced, the use amount of an extraction agent is reduced, and energy conservation and consumption reduction are achieved. The technology provided by the invention solves the technical problem that high-purity RbCl cannot be obtained from the salt lake brine by adopting a single adsorption method or a single extraction method.

The invention discloses a series of cubic-structure rubidium-cesium-rhenium-sulfur-iodine crystals and a series of trilateral-structure rubidium-cesium-rhenium-sulfur-chlorine crystals and preparation methods thereof, and belongs to the technical field of photoelectric functional materials and preparation thereof. The crystal compound provided by the invention comprises a series of (Rb < 1-x > Csx) < 6 > Re6S8I8 with a cubic structure and a series of (Rb < 1-x > Csx) < 5 > Re6S8Cl7 with a trilateral structure. The preparation process of the single crystal sample comprises the following steps: taking rubidium iodide, cesium iodide, rubidium chloride, cesium chloride, elemental metal rhenium, sulfur, iodine and rhenium pentachloride as raw materials, mixing the raw materials, assembling, packaging in vacuum, heating, cooling and the like to obtain the single crystal sample. The rhenium-sulfur cluster-based optical crystal compound prepared by the method disclosed by the invention is high in purity and excellent in crystal quality, can be used as a key material in the fields of photoluminescence and light emitting diodes, and has a wide application prospect.

The invention relates to the technical field of adsorption materials, in particular to an LSX molecular sieve low-dew-point adsorption material for deep dehumidification and a preparation method of the LSX molecular sieve low-dew-point adsorption material. According to the adsorption material, a Na-LSX molecular sieve is used as a matrix, and is matched with lanthanum nitrate and rubidium chloride composite rare earth metal salt and compounded with a functionalized silane reagent to form a synergistic adsorption structure of the Na-LSX molecular sieve, the lanthanum nitrate and the rubidium chloride. The preparation process comprises the steps of synthesis of a rare earth-silane coordination precursor, reaction of a matrix and the precursor, gradient activation and the like, and is mild in process condition, free of complex equipment and easy to control. The material is high in adsorption capacity under extremely low humidity, low in regeneration temperature, low in energy consumption and excellent in cycling stability, extremely low dew point output can be stably achieved, and the strict deep dehumidification requirements in the fields of lithium battery production, aerospace and the like can be met.

The present application relates to the technical field of mineral processing, and proposes a valuable element extraction process for blast furnace bag dust of a steel plant, comprising the following process: raw material crushing, carbon powder flotation of the crushed material through a flotation machine, tailings generated in the carbon powder flotation process of the flotation machine into a magnetic separator, slurry containing iron powder selected by the magnetic separator, the slurry pumped into a fifth cyclone, the slurry with iron powder in the fifth cyclone further through stirring and vacuum filtration to obtain iron powder, sulfuric acid is added during stirring for pickling, evaporation to obtain zinc sulfate, and through cyclic separation, carbon powder and iron powder can be separated multiple times, and sodium chloride, potassium chloride and rubidium chloride can be further separated in the overflow solution of the above substances. Through the above technical scheme, the technical problem of low yield and type of the extracted material in the blast furnace bag dust of the steel plant in the related art is solved.