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8609057 Method for separation of components from a reaction mixture via a concentrated acid  
In one embodiment, the present disclosure relates generally to a method for recovering an element from a mixture of the element with an ionic halide. In one embodiment, the method includes treating...
8241595 Method for manufacturing potassium titanate  
A potassium titanate, method for manufacturing the potassium titanate, a friction material using the potassium titanate and a resin composition using the potassium titanate are disclosed. The...
8207089 Concentrated compositions that provide disease and pest control to plants  
A composition that provides a combination of bactericidal, fungicidal, insecticidal, hormonal and nutritional activity when treating plants in an effective amount. The composition is an aqueous...
7858058 Method for crystallizing soluble salts of divalent anions from brine  
The invention pertains to removing soluble alkali metal or ammonium salt of a divalent anion from brine comprising following steps: obtaining brine with NaCl-concentration between 150g/L and...
7323150 Methods for recovering at least one metallic element from ore  
A method for recovering at least one metallic element from ore or other material is described and includes reacting ore or other material with a salt capable of recovering the metallic element from...
7078009 Lepidocrocite type lithium potassium titanate, method for preparation thereof, and friction material  
Lepidocrocite lithium potassium titanate characterized as having a composition represented by the formula K0.5-0.7Li0.27Ti1.73O3.85-3.95, and preferably having an arithmetic mean of major and minor...
6419887 Process for the treatment of residual liquors from the ammoniation and carbonation of alkali metal salts  
A process for the treatment of residual liquors from the ammoniation and carbonation of alkali metal salts containing ammonium salts, sodium salts, soluble sodium bicarbonate, ammonium bicarbonate...
6409978 Method of removing impurities from mineral concentrates  
A process for removing impurities contained in the crystal lattice of minerals, comprising the steps of forming a mixture of a mineral capable of structurally reorganizing its crystal lattice which...
6053963 Method for treating rotary slag  
The present invention provides a method for treating rotary slag containing iron and sodium compounds. The method involves treating the slag in a sulfuric acid solution to convert the iron and...
5846501 Process for the selective recovery of the salt constituents from used hardening shop salts which contain nitrite-nitrate  
In order to recover in an environmentally sound and economic manner used hardening shop salts which contain nitrate-nitrite, the salts, comminuted to particle sizes of from 1 to 50 mm, are...
5567401 Method of producing stable metal oxides and chalcogenides and power source  
A method of making chemically and electrochemically stable oxides or other chalcogenides for use as cathodes for power source applications, and of making batteries comprising such materials.
5487880 Production of sodium-22 from proton irradiated aluminum  
A process for selective separation of sodium-22 from a proton irradiated minum target including dissolving a proton irradiated aluminum target in hydrochloric acid to form a first solution...
5482687 Separation of sodium-22 from irradiated targets  
A process for selective separation of sodium-22 from an irradiated target including dissolving an irradiated target to form a first solution, contacting the first solution with hydrated antimony...
5310419 Method of preparing inorganic polymeric water complexes and products so produced  
The present invention provides aqueous processes which create new chemical compositions of matter prepared by reacting, in the presence of aqueous ammonia or other source of reactive NH2 groups, an...
5271911 Method for removing potassium from molybdenum trioxide  
An improved method for substantially removing potassium from potassium-bearing molybdenum trioxide involves the use of a leach solution in a weight ratio of seven parts of the leach solution to one...
5110578 Continuous production of potassium nitrate via ion exchange  
Potassium nitrate is produced by contacting nitric acid with a potassium loaded strong cationic exchange resin. In a preferred embodiment, a solution of potassium nitrate and dilute nitric acid is...
4938934 Recovery of cesium chloride from pollucite ore  
A process for recovering purified cesium chloride from a cesium aluminum silicate ore in which the ore is digested with aqueous hydrochloric acid and the silica solids removed to obtain an aqueous...
4844880 Process for the manufacture of sodium metabisulfite  
An improved process for the manufacture of sodium metabisulfite is provided. In this process, the chemical reaction forming sodium bisulfite solution is carried out separately from the...
4777030 Process for recovery of silicon from a reaction mixture  
A process is described for the recovery of silicon from a reaction mixture comprising silicon and an alkali metal fluoride.
4775546 Process for treating potassium chloride  
A process for treating potassium chloride, wherein the potassium chloride is dissolved in an aqueous medium and resulting solution is heated to evaporate water contained therein.
4751066 Process for preparing alkali metal phosphate  
Alkali metal phosphates are recovered from a water immiscible solvent solution of aqueous wet process phosphoric acid by neutralizing the acid with a basic alkali metal salt in a ratio of alkali...
4655828 Separation of metallic lithium  
Lithium metal is separated from lithium salts in spent torpedo boiler fuel by solubilizing said salts in a solution of a Lewis acid such as boron trifluoride in a polar solvent such as...
4465568 Electrochemical production of KNO3 /NaNO3 salt mixture  
A process for the electrolytic production of a chloride-free mixture consisting essentially of sodium and potassium nitrates is disclosed. In this process, an anolyte brine comprised of a mixture...
4428912 Regeneration of chloridizing agent from chlorination residue  
Alkali and alkaline earth metal chlorides contained in a residue of a chlorination process of a feed material of bauxite or clay associated with coal are removed by the addition of sulfuric acid...
4304760 Method of removing potassium hydroxide from crystallized potassium ferrate (VI)  
Potassium ferrate (VI), K2 FeO4, which has been crystallized from a concentrated aqueous solution of KOH is washed with an aqueous solution of a potassium salt of an inorganic acid to remove the...
4161511 Process of refining sodium hexafluorosilicate  
Crude sodium hexafluorosilicate containing gypsum and various metal phosphates is refined into highly pure and sufficiently large crystals. First, the crude fluorosilicate is treated with a sodium...
4026676 Process for producing salt having a reduced calcium sulfate content  
A process for preparing from aqueous NaCl brine containing appreciable quantities of dissolved calcium sulfate high purity dendritic salt, characterized by an exceptionally low calcium sulfate...
3985567 Method of treating bauxite waste red mud with acid and making construction bricks from the treated material  
Bauxite waste red mud is treated with hydrochloric acid to dissolve only the sodium content. The treated material is mixed with kaolinitic clay and formed into construction bricks.
3984312 Process for insolubilizing potentially water pollutable wastes from sodium or ammonium type sulfur dioxide air pollution control systems  
Process for insolubilizing water soluble wastes from alkaline sodium or ammonium type sulfur dioxide control systems used in conjunction with industrial or power plants. The sodium or ammonium...
3981964 Sodium sulphate compositions and their production  
Chrome saltcake has stable free flowing properties imparted to it by subjecting the sodium dichromate impurity present in chrome saltcake to reaction to form a product that is less susceptible to...
3956464 Preparation of phosphates  
Potassium phosphates useful as fertilizer materials, are produced by the reaction of phosphate rock or a solubilized form thereof, concentrated sulfuric acid and potassium hydrogen sulfate wherein...
3915659 Purification of sodium silicofluoride by slurrying with NaCl containing brine  
A process for the purification of sodium silicofluoride which comprises repulping sodium silicofluoride containing gypsum and/or phosphates as impurities in an aqueous solution containing sodium...
3891747 Chlorate removal from alkali metal chloride solutions  
A process for reducing the chlorate impurities content in aqueous solutions of alkali metal chlorides by the addition of a small but effective amount of an alkali metal hydrosulfite. The resulting...
3885921 Preparing purified macromolecular soluble prussian blue  
Intensely colored inorganic macromolecular complex compounds or the solution thereof for use in determining the void volume (Vo) of the gel column are provided by a process wherein the crude...
3544282 SIMPLIFIED PRETREATMENT FOR COARSE FLOTATION  
3537813 RECOVERY OF LITHIUM FROM BITTERNS  
3784672 PROCESS FOR REDUCING THE TRIVALENT CHROMIUM CONTENT OF ALKALI METAL BISULFATE SOLUTIONS  
3554858 PROCESS FOR REGENERATION OF WHITE LIQUOR WITH HYDROGEN SULFIDE RECYCLE  
3697234 PURIFICATION OF IMPURE SOLID NACL BY COUNTER-CURRENT CONTACT WITH MOLTEN NACL  
3773908 REMOVAL OF DISSOLVED LEAD FROM LITHIUM CHLORIDE SOLUTIONS  
3466141 PROCESS FOR THE PRODUCTION OF SODIUM PHOSPHATES  
3360343 Leaching calcium and magnesium impurities from solar salt using dilute mineral acid  
3350213 Method of and apparatus for glass making  
3287281 Zeolite agglomerates and the preparation thereof  
3207571 Process for preparing cesium compounds from cesium alum  
3098710 Alkali and sulfite recovery  
3095282 Process for recovering values from ores containing clay  
3061408 Recovery of chemicals from waste liquors  
3028215 Preparation of sodium carbonate  
3007770 Extraction of lithium  
Matches 1 - 50 out of 56 1 2 >