The following information may be useful for your research

Mixing equipment must be designed for mechanical and process operation. Although

mixer design begins with a focus on process requirements, the mechanical

design is essential for successful operation

Ref: Mechanical Design of Mixing Equipment

D. S. DICKEY,  J. B. FASANO

Handbook of Industrial Mixing: Science and Practice, Edited by Edward L. Paul

www.experts.com/.../david_dickey_2_mechanical_design_of_mixing_eq...

Thanks you Professor Maddali V S.

The difficulty has been selecting the correct Viscosities (cSt) for a variety of Pulps with different consistency (Stock).

There some data from Gullichen but none seems to have a appropriate update

Regards

Carlos