Powder compositions comprising alkali metal bicarbonate particles and an additive. A process for preparing alkali metal bicarbonate particles by spray-drying of an aqueous solution or suspension comprising 1-10% by weight of alkali metal bicarbonate and a resin acid or a fatty acid as additive. A process for preparing alkali metal bicarbonate particles by co-grinding the alkali metal bicarbonate in the presence of a resin acid as additive. A process for preparing alkali metal bicarbonate particles by fluidized bed coating of the alkali metal bicarbonate in the presence of a resin acid, fatty acid or a wax as additive.

Powder compositions comprising alkali metal bicarbonate particles and an additive. A process for preparing alkali metal bicarbonate particles by spray-drying of an aqueous solution or suspension comprising 1-10% by weight of alkali metal bicarbonate and a resin acid or a fatty acid as additive. A process for preparing alkali metal bicarbonate particles by co-grinding the alkali metal bicarbonate in the presence of a resin acid as additive. A process for preparing alkali metal bicarbonate particles by fluidized bed coating of the alkali metal bicarbonate in the presence of a resin acid, fatty acid or a wax as additive.

The present invention relates to a process for preparing a formulation comprising an alkali metal salt selected from the group consisting of alkali metal bicarbonate salts, alkali metal carbonate salts, alkali metal sesquicarbonate salts and combinations thereof, wherein said process comprises: (a) dissolving a functionalizing agent in a solvent; (b) mixing the alkali metal salt with the solution comprising the functionalizing agent that a paste-like composition is formed; (c) extruding the paste-like composition to obtain filaments or granules; (d) at least partially removing the solvent from the filaments or granules. The invention furthermore relates to a powder, filaments and granules obtainable from said process and to the use of the powder, filaments or granules in various applications such as in plastic foaming or in food and feed leavening compositions.

The present invention relates to a process for preparing a formulation comprising an alkali metal salt selected from the group consisting of alkali metal bicarbonate salts, alkali metal carbonate salts, alkali metal sesquicarbonate salts and combinations thereof, wherein said process comprises: (a) dissolving a functionalizing agent in a solvent; (b) mixing the alkali metal salt with the solution comprising the functionalizing agent that a paste-like composition is formed; (c) extruding the paste-like composition to obtain filaments or granules; (d) at least partially removing the solvent from the filaments or granules. The invention furthermore relates to a powder, filaments and granules obtainable from said process and to the use of the powder, filaments or granules in various applications such as in plastic foaming or in food and feed leavening compositions.

The present invention relates to a process for preparing a formulation comprising an alkali metal salt selected from the group consisting of alkali metal bicarbonate salts, alkali metal carbonate salts, alkali metal sesquicarbonate salts and combinations thereof, wherein said process comprises the step of extruding a paste-like composition comprising a functionalizing agent and the metal salt. The invention furthermore relates to a formulation obtainable from said process and to the use of this formulation in various applications such as in plastic foaming or in food and feed leavening compositions.

The present invention relates to a process for preparing a formulation comprising an alkali metal salt selected from the group consisting of alkali metal bicarbonate salts, alkali metal carbonate salts, alkali metal sesquicarbonate salts and combinations thereof, wherein said process comprises the step of extruding a paste-like composition comprising a functionalizing agent and the metal salt. The invention furthermore relates to a formulation obtainable from said process and to the use of this formulation in various applications such as in plastic foaming or in food and feed leavening compositions.

Provided is a method of producing a porous molded body, the method including: the step of obtaining a molded body by molding a raw material that contains from 1 part by mass to 100 parts by mass of a bicarbonate compound (A) represented by AHCO.sub.3 (wherein, A represents Na or K) and from 0 parts by mass to 99 parts by mass of a compound (B) represented by B.sub.nX (wherein, B represents Na or K; X represents CO.sub.3, SO.sub.4, SiO.sub.3, F, Cl, or Br; and n represents an integer of 1 or 2 as determined by the valence of X) (provided that a total amount of (A) and (B) is 100 parts by mass); and the step of obtaining a porous molded body by performing a heat treatment of the molded body in a temperature range of from 100 C. to 500 C. and an atmosphere that contains water vapor in an amount of from 1.0 g/m.sup.3 to 750,000 g/m.sup.3 and thereby thermally decomposing not less than 90% by mass of the bicarbonate compound (A).

A method for capturing CO.sub.2 comprising dissolving at least one pure amino acid (AA) in water without the use of a catalyst for establishing protonation of an amino group of the amino acid, adding at least one base solution to the amino acid and water solution to deprotonate the protonated amino group of the amino acid and forming an amino acid-XOHH.sub.2O wherein X is sodium or potassium, and subjecting CO.sub.2 to the amino acid-XOHH.sub.2O to form new nanomaterials is provided. A regenerable nanofiber is disclosed comprising a NaHCO.sub.3 nanofiber, a KHCO.sub.3 nanofiber, or an amino acid nanofiber made from subjecting a CO.sub.2 gas to an amino acid aqueous solvent. Preferably, the amino acid aqueous solvent is one or more of a Gly-NaOHH.sub.2O, an Ala-NaOHH.sub.2O, a Phe-NaOHH.sub.2O, a Gly-KOHH.sub.2O, an Ala-KOHH.sub.2O, and a Phe-KOHH.sub.2O.

Glass melting process including the introduction of a vitrifiable solid charge into a furnace, heating and melting of charge thereby obtaining molten glass. Discharging the molten glass from the furnace and discharging a CO.sub.2-containing gaseous effluent from the furnace. The charge having at least one carbonate undergoing a dissociation reaction and releasing gaseous CO.sub.2 when heated and melted. The gaseous effluent discharged from the furnace being used to produce, at least one additive in the form of an alkali metal or alkaline earth metal carbonate, at least a part of which is incorporated in the charge which is introduced into the furnace.

Method for producing sodium bicarbonate particles by spray-drying of an aqueous solution comprising 1 to 10% by weight of sodium bicarbonate and an additive selected from the group consisting of: magnesium salt, sodium alkylbenzene sulfonate and soybean lecithin. Sodium bicarbonate particles obtainable by such process and comprising at least 20 mg of the additive per kg of sodium bicarbonate particles.