|
Match
|
Document |
Document Title |
|
|
8158098 |
Processes for preparation of compositions comprising potassium chloride
Provided herein are processes for obtaining sylvinite and/or sylvite from sea water, sea bitterns and/or sea salts. The processes comprise reacting sea water, sea bitterns and/or sea salts with...
|
|
|
8158097 |
Method of making pure salt from FRAC-water/wastewater
The present invention relates to a method for making pure salt comprises recapturing post-drilling flowback water from hydro-fracturing; removing oil from the flowback water; filtering the flowback...
|
|
|
8124046 |
Alkali metal iodide salt solution and method for producing the same
A method for producing an alkali metal iodide salt solution including combusting a liquid for combustion so as to combust a combustible component of the liquid for combustion; and subsequently...
|
|
|
8038884 |
Process to prepare chlorine-containing compounds
The present invention relates to process to prepare a chlorine-containing compound using an aqueous salt solution containing at least 100 g/l of sodium chloride and a contaminating amount of...
|
|
|
8034316 |
Carbon blacks having low PAH amounts and methods of making same
Carbon blacks, such as rubber blacks, having a low PAH concentration are described. Furthermore, elastomeric or rubber compositions containing the carbon black of the present invention are further...
|
|
|
7815884 |
Method for producing polycrystalline silicon
To provide a method for producing polycrystalline silicon at relatively low cost, wherein the amount of waste generated is reduced by decreasing the amount of waste generated in producing...
|
|
|
7736617 |
Method for recovering iodine
An object of the present invention is to provide a method for recovering iodine, which can be carried out simply and economically without practicing mixing processing operation of iodine-containing...
|
|
|
7727501 |
Compacted granular potassium chloride, and method and apparatus for production of same
Apparatus and method are disclosed for the production of compacted granular potassium chloride with improved handling qualities. A binding ingredient such as sodium hexametaphosphate is blended...
|
|
|
7465333 |
Cavitation process for products from precursor halides
A precursor halide compound is reduced to a predetermined product at substantially ambient conditions. The halide is added to an anhydrous liquid reaction medium containing one or more alkali...
|
|
|
7459139 |
Process for preparation of non-hazardous brominating agent
A cost-effective process is described for the preparation of a stable and non-hazardous brominating reagent containing 2:1 stoichiometric ratio of alkali bromide to alkali bromate. The process...
|
|
|
7455713 |
Cavitation process for titanium products from precursor halides
A titanium halide and, optionally, other precursor halides compound are reduced to a predetermined titanium product, suitably at or near ambient conditions. Titanium tetrachloride, for example, is...
|
|
|
7361325 |
Methods for making XF•nH2O2 compounds
A substantially dried XF•nH2O2 product is produced by method(s) wherein a feed solution comprised of (i) a XF composition wherein X is K, Na+ or NH4+ and n is an integer from 1 to 3, (ii) h...
|
|
|
7217402 |
Apparatus and method for making metal chloride salt product
A method of producing metal chlorides is disclosed in which chlorine gas is introduced into liquid Cd. CdCl2 salt is floating on the liquid Cd and as more liquid CdCl2 is formed it separates from...
|
|
|
7195740 |
Treatment of chloralkali feeds containing hydrogen peroxide and base
A method and apparatus for removing BHP contaminants (alkali hydroxide and H2O2) from a recycled aqueous alkali chloride solution stream before the stream is fed to a chloralkali cell so that the...
|
|
|
7189327 |
Use of anionic copolymers for enhanced recovery of useful coal and potassium chloride from screen bowl centrifuge
A method of enhancing the recovery of useful coal or potassium chloride from screenbowl centrifuge separation operations comprising adding to the screenbowl centrifuge, from about 0.005 lbs active...
|
|
|
7175708 |
Recovering purified water and potassium chloride from spent basic hydrogen peroxide
Methods and apparatus are provided for the removal and purification of the water and salt by-products from spent BHP emitted from a lasing process. The apparatus comprises a liquid processing...
|
|
|
7144568 |
Method and device for carrying out a reaction in liquid medium with gas evolution
Described is a process and a device for carrying out a reaction in liquid medium during which evolution of gas occurs. The process can be applied in particular to a reaction employing a peroxide...
|
|
|
7087174 |
Enhanced recovery of useful coal, potassium chloride and borax from screen bowl centrifuge
A method of enhancing the recovery of useful coal or potassium chloride or borax from screenbowl centrifuge separation operations comprising adding to the screenbowl centrifuge, from about 0.03 lbs...
|
|
|
7087209 |
Method for producing a halide brine
A method for producing halide brine wherein an alkali and a reducing agent are added to an aqueous fluid having a density greater than 8.30 lb/gal., (0.996 kg/L) water, waste water or sea water for...
|
|
|
7041268 |
Process for recovery of sulphate of potash
The present invention is directed to a novel integrated process for the recovery of sulphate of potash (SOP) from sulphate rich bittern. The process requires bittern and lime as raw materials....
|
|
|
7037481 |
Production of ultra pure salt
This invention relates to methods and installations for producing ultra pure sodium chloride salt crystals primarily for use in saturating depleted brine resulting from the electrolytic...
|
|
|
7014832 |
Simultaneous recovery of potassium chloride and KCL enriched edible salt
The present invention relates to recovery of industrial grade potassium chloride and low sodium edible salt from bittern as part of an integrated process. The process comprises, mixing low sulphate...
|
|
|
6984367 |
Process for the preparation of lithium iodide solutions
A process is described for the preparation of lithium iodide solutions by reacting a lithium-containing substance with elemental iodine, the lithium iodide being prepared in an aprotic solvent that...
|
|
|
6849199 |
Snow and ice-melting granules and method for preparing same
Snow and ice-melting granules prepared from compacted blends of salts of alkali and/or alkaline earth metals and a method for preparing such granules, are provided. The inventive granules have...
|
|
|
6692720 |
Method for producing sodium chloride crystals
Process for the production of sodium chloride crystals from a sodium chloride brine contaminated by potassium chloride and sulphate ions, according to which a calcium compound (32) is added to the...
|
|
|
6652820 |
Methods of making cesium salts and other alkali metal salts
A method of making a cesium salt is described and involves reacting a cesium sulfate containing solution with lime to form 1) a solution containing at least cesium hydroxide and 2) a residue...
|
|
|
6599565 |
Bittern-containing common salt grains and process for preparing the same
The invention provides a common salt having the rounded-off savory taste of natural common salt and yet a reduced tendency toward deliquescence and coagulation and a process for producing the same....
|
|
|
6503473 |
Process for separating solid compound other than lithium hydroxide
A process for separating a solid compound other than lithium hydroxide, such as sodium chloride, in which lithium hydroxide is hydrosulfurized by bubbling gaseous hydrogen sulfide through an...
|
|
|
6468495 |
Treatment of molten salt reprocessing wastes
A method of removing from a metal salt ionic species contained therein involves contacting the metal salt with an ionic liquid to dissolve the metal salt, the ionic species or both. At least in the...
|
|
|
6455022 |
Purification of aqueous alkali metal chloride solutions by removal of ammonium/iodine values therefrom
Aqueous alkali metal chloride solutions, typically destined for electrolysis for the production of chlorine and containing a contaminating amount of iodine values in other than the periodate state,...
|
|
|
6376738 |
Process and system for treating material containing noxious components
A process for treating a waste or treatable material containing noxious component(s), comprising the following steps: (1) carrying out a first step for the treatable material, the first step...
|
|
|
6251358 |
Process for the preparation of sodium fluoride
Process for the preparation of sodium fluoride from sodium hydroxide solution and hydrogen fluoride or hydrofluoric acid, characterized in that <45% strength by weight, preferably 20 to 40%...
|
|
|
6180077 |
Process for purification of SiO2 granulate
A process for the purification of SiO2 granulate is provided, where the SiO2 granulate is supplied into a reaction zone, heated therein and exposed to a treatment gas which comprises a...
|
|
|
6132490 |
Bromide salts as weightening agents for molten salts
A weightening composition for weightening a molten salt in the refinement of magnesium or magnesium alloys, characterized in that it comprises one or more bromide salts, selected from among NaBr,...
|
|
|
6068826 |
Method for reducing the amount of chloride compounds produced in a kiln for firing cement clinker
In a method for reducing the amount of chloride components in cement clinker kilns at least a portion of the chloride-containing gases is removed from the kiln chamber. The gases are guided into a...
|
|
|
6048569 |
Comestible liquid sea salt having a low sodium content and method for producing the same
A comestible liquid sea salt preparation and method for producing the same. The comestible preparation is produced from sea water and is low in sodium, about 9.8 wt %, therefore making it suitable...
|
|
|
6015535 |
Process for producing purified cesium compound from cesium alum
Disclosed is a method for producing a predetermined cesium compound. The method comprises treating a cesium-containing material with a suitable reagent to dissolve at least a portion of the cesium...
|
|
|
5942023 |
Process for recovering metals from electric arc furnace (EAF) dust
Heavy metals substantially free from heavy metal chloride contaminants are recovered from electric arc furnace (EAF) dust by bringing the dust into contact with a carbonaceous reductant utilizing a...
|
|
|
5935546 |
Method for removing traces of heavy metals from concentrated alkali metal chloride solutions down into the range of 0.01 ppm
A method is provided for removing traces of heavy metals from concentrated alkali metal chloride solutions down into the range of 0.01 ppm by coprecipitation from an acidic concentrated alkali...
|
|
|
5846290 |
Method for the recovery of group IA salts during the treatment of industrial process waste streams
A method for the production of Group IA salts during a process for the recycling of industrial waste streams containing Group IA compounds and iron and/or zinc compounds, by heating the waste...
|
|
|
5783684 |
Oxidizing reagent for use in oligonucleotide synthesis
Oxidizing compositions particularly for use in automated oligonucleotide synthesis containing a mixture of KI and I2 in solution, in equilibrium with KI3. One preferred composition contains 1.75%...
|
|
|
5605669 |
Process of preparing cesium salts from cesium aluminum alum
This invention relates to the preparation of cesium salts from cesium-aluminum-alum in a process in which the cesium-aluminum-alum is reacted in a single vessel in the presence of water with...
|
|
|
5545390 |
Process for the destruction of halocarbons
A process for the destruction of a halocarbon, which process comprises reacting the halocarbon with molten sodium at an elevated temperature to produce the corresponding sodium halide or halides in...
|
|
|
5290730 |
Wavelength conversion waveguide and fabrication method
A radiation wavelength conversion device is implemented in the form of a waveguide that includes a single crystal halide-based cladding layer, and a halide-based active layer. The active layer has...
|
|
|
5230879 |
Reduction of metal halates and recovery of metal halides
This invention relates to a process for reducing metal halates to metal halides, the process comprising reacting a metal halate with a reducing agent in an aqueous alkaline reaction medium having a...
|
|
|
5227143 |
Process for the removal of salts from aluminum dross
A process is disclosed for treating salt-containing aluminum dross to remove potassium and sodium chloride salts therefrom. The process generally comprises treating the dross in a first treating...
|
|
|
5221528 |
Process for the preparation of sodium chloride
In a purification process for brine, impurities such as calcium, magnesium and/or sulphate are precipitated by the addition of calcium hydroxide (Ca(OH)2) and sodium carbonate (Na2 CO3). Following...
|
|
|
5171555 |
Cesium iodide alloys
A transparent, strong CsI alloy havign additions of monovalent iodides. Although the perferred iodide is AgI, RbI and CuI additions also contribute to an improved polycrystalline CsI alloy.
|
|
|
5131988 |
Method of extracting lithium from aluminum-lithium alloys
An improved method for extracting lithium from aluminum-lithium alloys includes providing an electrorefining cell which contains a cathode comprising a pure molten tin pool and a source of lithium...
|
|
|
5108722 |
Sulfate removal from chlorate liquor
Disclosed is a method of removing sulfate ion from an aqueous sodium chlorate liquor. A crystallization temperature is selected between about -15° and about 0° C. and the maximum concentration of s...
|