Patent classifications
C01B33/22
Dehydroxylation of magnesium silicate minerals for carbonation
This application provides a process for mineral carbonation, which process comprises the steps of: providing a bed of hydroxylated magnesium silicate mineral particles in a heating vessel; agitating the bed of particles under conditions of a sub-atmospheric pressure and at a temperature of at least 600 C. to produce particles of dehydroxylated magnesium silicate mineral; and reacting the dehydroxylated magnesium silicate mineral with carbon dioxide, carbonate ions and/or bicarbonate ions to form magnesium carbonate. This application also provides a reactor system for carrying out the process, which includes (1) mineral from mine, (2) hydroxylated magnesium silicate mineral, (3) crushing, grinding, sizing, (4) agitated bed of particles, (5) external heating, (6) vacuum system, (7) from carbon source, (8) carbon dioxide or carbonate or bicarbonate ions in solution, (9) carbonation reactions, (10) carbonate product, (11) pre-heat, (12) heat recovery, and (13) magnetic fraction.
Dehydroxylation of magnesium silicate minerals for carbonation
This application provides a process for mineral carbonation, which process comprises the steps of: providing a bed of hydroxylated magnesium silicate mineral particles in a heating vessel; agitating the bed of particles under conditions of a sub-atmospheric pressure and at a temperature of at least 600 C. to produce particles of dehydroxylated magnesium silicate mineral; and reacting the dehydroxylated magnesium silicate mineral with carbon dioxide, carbonate ions and/or bicarbonate ions to form magnesium carbonate. This application also provides a reactor system for carrying out the process, which includes (1) mineral from mine, (2) hydroxylated magnesium silicate mineral, (3) crushing, grinding, sizing, (4) agitated bed of particles, (5) external heating, (6) vacuum system, (7) from carbon source, (8) carbon dioxide or carbonate or bicarbonate ions in solution, (9) carbonation reactions, (10) carbonate product, (11) pre-heat, (12) heat recovery, and (13) magnetic fraction.
NEGATIVE ELECTRODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND MANUFACTURING METHOD THEREOF
The present disclosure relates to a negative electrode active material for non-aqueous electrolyte secondary battery and a manufacturing method thereof and, more specifically to, a negative electrode active material for non-aqueous electrolyte secondary battery, the negative electrode active material which not only improves conductivity by reacting, silicon, silicon dioxide and magnesium through a gas phase reaction to produce a reaction product and coating carbon on the surface of the reaction product so as to give conductivity to the reaction product, but also exhibits an effect of greatly improving lifetime characteristics and capacity characteristics by showing a structure that is stable in a volume change caused by intercalation or deintercalation of lithium, and a manufacturing method thereof.
Manufacturing method of silicon carbide and silicon carbide manufactured using the same
A method of preparing silicon carbide according to the present invention includes reacting a silicon-containing compound with carbon dioxide, wherein a reducing agent is optionally used.
Manufacturing method of silicon carbide and silicon carbide manufactured using the same
A method of preparing silicon carbide according to the present invention includes reacting a silicon-containing compound with carbon dioxide, wherein a reducing agent is optionally used.
Method for preparing polycarbonate polyol and composition comprising the polycarbonate polyol
Provided are a method for manufacturing polycarbonate polyol and a composition including the polycarbonate polyol. The composition includes polycarbonate polyol; a plurality of nanoscale silicate platelets having 10,000 to 20,000 (units/per platelet) of metal cations on surfaces thereof, wherein the polycarbonate polyol has a viscosity of from 265 to 1520 cps.
Method for preparing polycarbonate polyol and composition comprising the polycarbonate polyol
Provided are a method for manufacturing polycarbonate polyol and a composition including the polycarbonate polyol. The composition includes polycarbonate polyol; a plurality of nanoscale silicate platelets having 10,000 to 20,000 (units/per platelet) of metal cations on surfaces thereof, wherein the polycarbonate polyol has a viscosity of from 265 to 1520 cps.
CHARGED COMPOSITE MATERIALS, METHODS OF SYNTHESIZING, AND METHODS OF USE
Embodiments of the present disclosure are directed to methods of producing charged composite materials. The method may include synthesizing a composite material and charging the composite material to produce a charged composite material. The composite material may include a inorganic composite component and an organic component. The organic component may include one or more primary or secondary amines. The organic component may be covalently bonded to the inorganic composite component. The charged composite material may be positively charged.
Synthetic Layered Magnesium Silicates and Their Derivatives for High Performance Oil-based Drilling Fluids
A method of producing a synthetic functionalized additive including the steps of mixing an amount of a magnesium salt with a fluid medium to produce a magnesium-containing fluid, adding an amount of a silane to the magnesium-containing fluid to produce a reactant mix, adding an amount of an aqueous hydroxide to the reactant mix to produce a reaction mixture, mixing the reaction mixture for a mix period, refluxing the reaction mixture for a reflux period to produce a product mix, treating the product mix to separate the synthetic functionalized additive.
Synthetic Layered Magnesium Silicates and Their Derivatives for High Performance Oil-based Drilling Fluids
A method of producing a synthetic functionalized additive including the steps of mixing an amount of a magnesium salt with a fluid medium to produce a magnesium-containing fluid, adding an amount of a silane to the magnesium-containing fluid to produce a reactant mix, adding an amount of an aqueous hydroxide to the reactant mix to produce a reaction mixture, mixing the reaction mixture for a mix period, refluxing the reaction mixture for a reflux period to produce a product mix, treating the product mix to separate the synthetic functionalized additive.