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Nutsche Filter
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The Nutsche Filter is the industrial version of the well known laboratory scale Buchner Funnel except that it is designed to operate under either on vacuum or pressure. Present day Nutsche Filters are constructed to perform a multitude of tasks including reaction, filtration, cake washing and thermal drying on a single unit. As such these are very sophisticated machines with tight process control on parameters such as pressure, temperature and pH. Nutsche Filters are well suited for handling flammable, toxic, corrosive and odor-noxious materials since they are autoclaved and designed for use in hazardous and ex-proof environments when extremely safe operation is required. Nutsche Filters are available in almost any size with the larger machines for a slurry filling batch of 25 m3 and a cake volume of 10 m3. Such filters have a filtration area of 15 m2 and are suitable for fast filtering slurries that produce readily 0.5 m thick cakes. The Nutsche in its full configuration consists of four major components: The vessel The filter floor and cloth, woven mesh screen or sintered metal plate medium The re-slurry arms for cake washing and smoothing The cake discharge mechanism.
