Measurement of Gas Hold-up Distribution in Stirred Vessels Equipped with Pitched Blade Turbines by Means of Electrical Resistance Tomography

a Dipartimento di Chimica Industriale ”Toso Montanari”, Alma Mater Studiorum – Università di Bologna via Terracini 34 40131 Bologna, Italy b Department of Chemical Engineering, University of Chemistry and Technology, Prague Technická 3, 166 28 Praha 6 − Dejvice, Czech Republic c Dipartimento di Ingegneria Civile, Chimica, Ambientale e dei Materiali, Alma Mater Studiorum – Università di Bologna via Terracini 34, 40131 Bologna, Italy antonio.busciglio@unibo.it