Downloads

RSS

Trap filtration in the sweeteners industry often requires the use of sheet filters downstream of primary clarification steps such as centrifuges, rotary vacuum drum filters, or pressure leaf filters. Polishing filtration for sweetener derivatives downstream of hydrogenation steps is often also satisfied by sheet filters. If selected and operated properly, filter sheets are capable of providing acceptable filtrate quality with good throughputs, due to their high porosity and resulting high dirt-holding capacity.

Classical sheet filtration, however, brings with it inherent disadvantages. The installation is an open system, with potential exposure of the filtered products to the surrounding environment. Drip losses typically common to sheet filters decrease product yield. In the case of sticky fluids, accumulation of residues on the outside of sheet filters poses a sanitation issue which, if not properly dealt with, constitutes a source of microbial growth.

Capitalizing on the benefits, but eliminating the inherent disadvantages of classical sheet filtration, Pall's SUPRApak technology provided an excellent alternative to replace filter sheets efficiently and economically, with a closed system.

Differing from lenticular module design, SUPRApak modules are intended for providing extremely high throughputs especially in continuous production processes.