Highly alkaline detergent pellets and process therefor

Abstract From the Canadian patent

Highly alkaline detergent compositions are prepared by mixing together, in a mixing device a melt, of alkaline material with a heat-alkaline sensitive material, such as, an alkali metal complex phosphate sequestrant and/or an active-chlorine source. The resulting mixture is, then, pelletized on a chill belt. Because of the short contact time between the molten alkaline material and the sequestrant and the rapid solidification, reversion of the sequestrant particularly, a phosphate sequestrant, is substantially reduced.