207 results about "Halite" patented technology

The invention discloses a component used in mouth cavities, which comprises natural products such as halite, Chinese red pepper, divaricate saposhnikovia root, angelica dahurica, asarum, etc. The natural products of the compositions have oral disease curative effect as well as formulas with effects of whitening, denuding, etc.

The invention discloses a preparation method of a Fe-doped oxyhalogen bismuth nanometer material. The method comprises the following steps of respectively preparing an ethylene glycol solution of pentahydrate bismuth nitrate and a water solution of halite and iron nitrate nonahydrate; at the room temperature, dripping the obtained water solution into the ethylene glycol solution; using the ultrasonic effect as an auxiliary measure to take reaction; finally, washing, drying and cooling obtained precipitates to obtain the Fe-doped oxyhalogen bismuth nanometer material. The preparation method has the advantages that the one-step synthesis process of the Fe-doped oxyhalogen bismuth nanometer material can be realized under the room-temperature condition; high-temperature and high-pressure conditions are not needed; the reaction conditions are mild; the reaction time is short; the energy is saved; the consumption is reduced; the related synthesis process is simple; the raw material cost and the production cost are low; the repeatability is good; the preparation method is suitable for industrial popularization and application.

The invention discloses a simple method for culturing haematococcus pluvialis to produce astaxanthin; the method comprises three culturing processes of narrow neck flask, plastic cask or Nylon bag, cement pit; each step passes through various physical and chemical environmental parameters, such as nitrogen and phosphorus contents, pH value, incubation temperature, illumination intensity, illumination time, exact adjusting and controlling measure of adding with halite or halogeno salt, H2O2 and FeCl2 and cell state, etc; each step has definite object, and reasonable control such that the haematococcus pluvialis has excellent vegetative growth, fast conversion of vegetative growth to non-vegetative growth, and accumulates much astaxanthin, thereby improving the efficiency and stability of culturing, converting and accumulating, and effectively preventing the pollution of mixed algae; because the invention is an open culturing and does not need closed photobioreactor, thereby greatly reducing the production cost and obviously improving the productivity, and open culturing haematococcus pluvialis to produce astaxanthin in large scale.

The invention discloses an electrolyte for a lithium battery. The electrolyte contains a pyridine ionic liquid, and the pyridine ionic liquid contains cations and anions; the cations are N-alkylpyridine; and the anions are one kind of the anions of a group consisting of halite ions, tetrafluoroboric acid anions, hexafluorophosphoric acid anions, bis(trifluoromethanesulphonyl)imine anions, lactic acid anions, p-methyl benzene sulfonate acid radical anions, acetyl sulfonyl imide anions, saccharin anions, amino acids anions, sulfuric acid ester anions, succinic acid diisooctyl ester sulfonate radical anions, 4,5-dimetridazloe anions, and 5-nitrotetrazolato anions. The electrolyte can change the reaction mechanism of the battery, improve the reduction rate of a cathode active material and the mass transfer rate of the electrolyte, and increase the electrical conductivity of the electrolyte, so the discharge voltage of the lithium battery is improved. Furthermore, the invention further discloses a preparation method for the electrolyte and the lithium battery containing the electrolyte.

A system and process for oxidizing inorganic or organic species is disclosed. The system and process includes feeding a dilute aqueous alkali metal halite solution into a cation exchange column, wherein the cation exchange column contains a cation exchange material; contacting the dilute aqueous alkali metal halite solution with the cation exchange material to produce an effluent containing halous acid; feeding the effluent containing halous acid into a catalytic reactor containing a catalytic material; and contacting the halous acid containing effluent with the catalytic material to produce a halogen oxide.

The invention relates to hypertension, hyperlipidemia and hyperglycemia reducing nutritional powder and a preparation method thereof and belongs to the technical field of food. The hypertension, hyperlipidemia and hyperglycemia reducing nutritional powder is prepared from the following raw materials in parts by weight: 6 to 8 parts of fructus cannabis, 7 to 9 parts of black tartary buckwheat, 5 to 7 parts black soya bean, 8 to 10 parts of black rice, 5 to 7 parts of black corn, 6 to 8 parts of oat, 2 to 4 parts of fructus ziziphi jujubae, 2 to 4.5 parts of black fungus and 0.2 to 1 part of halite. The preparation method comprises the following steps: 1, dewatering the fructus cannabis, the black tartary buckwheat, the black soya bean, the black rice, the black corn, the oat, the fructus ziziphi jujubae and the black fungus which are weighed according to the weight part matching for standby application; 2, adding the halite into the fructus cannabis, the black tartary buckwheat, the black soya bean, the black rice, the black corn, the oat, the fructus ziziphi jujubae and the black fungus which are dewatered, stirring and mixing, smashing, sieving through a 20 to 100-mesh sieve to obtain fine powder and drying and sterilizing the fine powder to obtain the hypertension, hyperlipidemia and hyperglycemia reducing nutritional powder. The hypertension, hyperlipidemia and hyperglycemia reducing nutritional powder has the better curative effects on atherosclerosis, hypertension, hyperlipidemia, hyperglycemia and constipation and is quick in effect and free of side effect.

The method of preparing a negative active material for a non-aqueous electrolyte rechargeable battery includes mixing a vanadium compound and a lithium compound and then subjecting the mixture to first firing to obtain Li1.0(VxMy)1.0O2 having a layered halite type structure (where 0.5<=x<=1.0, 0<=y<=0.5, x+y=1, and M is selected from the group consisting of group 2 to 15 elements of the periodic table and combinations thereof); and adding a lithium compound to the Li1.0(VxMy)1.0O2 and then subjecting the resultant to second firing. The negative active material for a non-aqueous electrolyte rechargeable battery prepared according to the preparing method has high crystallinity, excellent charge and discharge characteristics at a high rate, and excellent charge and discharge cycle characteristics.

The invention relates to a method for preparing 1-methoxyl-2-acetone through 1- methoxyl -2-propanol by means of catalytic oxidation, which is characterized in that: the catalytic oxidation is performed under the condition of taking 2, 2, 6, 6-tetramethyl piperidine -1-oxygen-derived free radicals or piperidinol compounds and nitrite or nitrate as catalysts, one or mixture among phosphate (hydrophosphate), halides, halate, borate, molybdate, carbonate (supercarbonate), sulfate and acetate as auxiliary catalyst, and halogen, hypo halite, hydrogen peroxide solution, oxygen, air or organic peroxide as oxidant. Compared with the prior art, the method has the advantages that: main parts of the catalysts do not use transition metals, and the catalysts are low-price and easily obtained and can be reused; the reaction condition is mild, and the reaction can be performed under normal temperature and normal pressure and also can be performed under high temperature and high pressure; equipment is simple and easy to operate; the reaction rate is quick, and the product conversion rate is high and can reach 90 percent; and the method is suitable for continuous industrialized production.

[Problem] To provide a means that can suppress elution of transition metals, particularly manganese, in a positive electrode active substance for a nonaqueous electrolyte secondary cell. [Solution] The present invention provides a positive electrode active substance for a nonaqueous electrolyte secondary cell that has the composition formula (1) Li1.5[NiaMnbCoc[Li]d[X]e]Oz (where X is at least one selected from Ti, Zr, and Nb, 0.01 ≤ e ≤ 0.7, a + b + c + d + e = 1.5, 0.1 ≤ d ≤ 0.4, 1.1 ≤ [a + b + c + e] ≤ 1.4, and z is the number of oxygen atoms that satisfies atomic valency), and that has a diffraction peak showing a halite-type layered structure at 20-23º, 35-40º (101), 42-45º (104), and 64-65 (108) / 65-66 (110) in X-ray diffraction (XRD) determination.

The positive electrode active material in accordance with the present invention is used for a positive electrode for a lithium-ion secondary battery, includes Li, Mn, Ni, Co, and O atoms, and has a substantially halite type crystal structure. Specifically, it is preferably expressed by LiaMnbNicCodOe, where a is 0.85 to 1.1, b is 0.2 to 0.6, c is 0.2 to 0.6, d is 0.1 to 0.5, and e is 1 to 2 (the sum of b, c, and d being 1). Because of such composition and crystal structure, the positive electrode active material of the present invention reduces the amount of elution of the battery into the liquid electrolyte and enhances the stability at a high temperature.

The invention relates to a method for processing and producing potassium chloride by using magnesium sulfate subtype or sulfate chloride transitional-type potassium-containing salt lake brine. According to the method, the potassium-containing salt lake brine as a raw material contains Na, K, Mg, Cl, SO4 ions, wherein the weight ratio of SO4 to K is (0.5-3.5): 1. The method disclosed by the invention comprises the following steps of: introducing a modifying agent to a halite stage in a brine evaporation process, wherein the weight ratio of SO4 to K in the modified brine is (2.0-0.1): 1; continuously evaporating the modified brine by insolation to obtain sylvine and carnallite; and carrying out potassium chloride flotation on the sylvine and carnallite mixture, and washing and drying flotation concentrate to obtain a potassium chloride product. The method disclosed by the invention solves the problem of processing and producing the potassium chloride by using the potassium mixed salt obtained by the insolation of the magnesium sulfate subtype or transitional-type potassium-containing salt lake brine, is used for processing and producing the potassium chloride from the sylvine and carnallite obtained by using the modified brine and is good in product quality and high in sylvine yield.

This invention relates to LiCoO2 of laminated halite alpha=NaFeO2 structure, especially to a modified LiCoO2 When it is used as the positive of a Li ionic battery, its charging potential can be increased to 4.4v. The said modified oxide includes LiCoO2 particles and ZrO2, TiO2, B2O3, Al2O3 or Ga2O3 adhered on the surface of the particles and is prepared by dipping the particles in a solution containing Zr, Ti, B, Al or Ga ions and burring the dipped particles.