De Dietrich’s Agitated Nutsche Filters and Filter/Dryers are totally enclosed vessels designed to separate solids and liquid by deep bed filtration utilizing pressure or vacuum. After separation, the solids can be washed and purified using liquid displacement, also known as a plug flow wash, or by agitating with fresh wash liquid. Finally, drying can be accomplished by heating the vessel and introducing vacuum or by heating pressurized gas and flowing through the filter cake. The unit operations performed are fully enclosed to ensure an odorless, contamination-free, and nonpolluting environment for operators. The agitated filter and filter/dryers are fully automated solutions and can support non-traditional process requirements including extraction, decolorization, and some reactions or crystallizations.
