Process for the manufacture of sodium perborate monohydrate from sodium perborate tetrahydrate
AssigneeAtochem
InventorsJacques Dugua, Jean-Pierre Cuer
Life of this patent
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Abstract
A process for the manufacture of perborate monohydrate by the dehydration of perborate tetrahydrate at an absolute pressure maintained between 0.03 and 0.13 bar and a temperature of the perborate to be dehydrated not exceeding about 70.degree. C.
Claims3
A process for the manufacture of sodium perborate monohydrate by the dehydration of sodium perborate tetrahydrate, comprising carrying out the dehydration in an area where the absolute pressure is maintained between 0.03 and 0.13 bar and at a temperature of the perborate mass to be dehydrated not exceeding about 70.degree. C., without any gaseous current being allowed to penetrate into said dehydration area.
Dependencies are inferred from the claim text.