Process for producing aluminum chlorohydrate particles
AssigneeUsalco, LLC
InventorBruce Wonder
Life of this patent
Estimating the term…
Abstract
A method of producing particles of aluminum chlorohydrate includes (a) feeding a solution of aluminum chloride through an atomizer associated with a spray dryer, so that a spray of droplets of the solution is formed in the spray dryer, (b) operating the dryer at a temperature sufficient to cause transformation of the droplets into crystal particulates and to dry the crystal particulates, such dried crystal particulates being aluminum chlorohydrate, and (c) recovering the dried crystal particulates. A product produced by the process is also described.
Claims12
A method of producing particles of aluminum chlorohydrate, the method comprising:
- providing a spray dryer having an air source that produces an air stream, the air stream heated to a temperature of 550-1200° F. to provide a heated air stream;
- introducing a spray of droplets of a solution of aluminum chloride into the heated air stream, the aluminum chloride having a formula selected from the group consisting of AlCl3, Al2Cl6, and combinations thereof;
- operating the spray dryer to allow for a sufficient residence time to cause transformation of the droplets into crystal particulates of aluminum chloride hexahydrate and to decompose the crystal particulates to form dried crystal particulates of aluminum chlorohydrate;
- and
- recovering the dried crystal particulates of aluminum chlorohydrate.
A method of producing particles of aluminum chlorohydrate, the method comprising:
- providing a first spray dryer having an air source that produces a first air stream, the first air stream heated to a temperature of 550-1200° F. to provide a heated air stream;
- introducing a spray of droplets of a solution of aluminum chloride into the heated air stream, the aluminum chloride having a formula selected from the group consisting of AlCl3, Al2Cl6, and combinations thereof;
- operating the first spray dryer to allow for a sufficient residence time to cause transformation of the droplets into crystal particulates of aluminum chloride hexahydrate;
- providing a second spray dryer having an air source that produces a second air stream, the second air stream heated to a temperature of 600-1200° F.;
- operating the second spray dryer to allow the crystal particulates to decompose to form dried crystal particulates of aluminum chlorohydrate;
- and
- recovering the dried crystal particulates of aluminum chlorohydrate.
Dependencies are inferred from the claim text.