Patent ID: 8946396
Filing Date: 2015-02-03
Classification: A23K,C04B,C08J,Y10T

Abstract:
1. A method for making a particulate material, which method comprises: a) introducing or forming lignosulfonate microparticles in a fluidized bed agglomerator; b) introducing heated gas and lignosulfonate liquid in the agglomerator; and c) enlarging the microparticles to form particulate material comprising non-comminuted water-soluble agglomerated lignosulfonate granules having an average size of at least 0.1 mm and consisting of lignosulfonate and optionally one or more cement adjuvants selected from the group consisting of other cement plasticizers, cement superplasticizers, cement retarders, cement accelerators, air-entraining agents, stabilizers, sedimentation reducers, silica powders, silica suspensions and silica sols.