PROCEDIMIENTO PARA LA FABRICACION DE CEMENTO BONIFICADO.

摘要

An aqueous solution of melamine formaldehyde condensation product is sprayed over dry cement product in the fine grinding compartment of a cement grinding mill at a uniform rate essentially throughout the grinding process in concentration and amount chosen to evaporate all the aqueous solvent during the normal cement grinding process and introduce an aggregate of 0.1 to 2.0 weight per cent of condensation product solid in relation to the dry cement product being ground.