An experimental study was carried out for the dispersion of highly viscous drops in a practical 50-liter agitated vessel equipped with a pitched backswept turbine with perforated disc to obtain some information about emulsification processes in the dairy industry. As a result, the data of final and transient drop sizes were given under several operating conditions, being expressed well by the respective correlation equations which had been proposed by the authors for a laboratory-scale agitated vessel with a Rushton turbine.