PROCESS FOR PREPARING SPRAY-DRIED PARTICLES

摘要

The present invention relates to a process of making spray-dried detergent particles comprising the steps: (a) contacting magnesium sulphate with sodium salt of ethylenediamine disuccinic acid to form a premix comprising magnesium salt of ethylenediamine disuccinic acid; (b) contacting said premix with an aqueous slurry comprising detersive surfactant, sodium silicate, and optionally polymer; and (c) spray drying said aqueous slurry to form said spray- dried detergent particles.