PROCESS FOR THE MANUFACTURE OF ALKALI METAL PERCARBONATES

摘要

A continuous process for the manufacture of an alkali metal percarbonate. An aqueous hydrogen peroxide solution and an aqueous alkali metal carbonate solution are introduced into a mixer which contains particles of the corresponding percarbonate. The wet percarbonate thus formed is dried. A portion of the dried percarbonate is recycled to the mixer and remaining percarbonate is removed as product.