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A screw press is a continuously operating machine used to squeeze liquid from a mass of fibrous solids, such as in the recovery of animal or vegetable oils, or further…

A small group of filters is classed together as variable volume devices, so called because the filtration zone containing the collected solids is compressed once filtration is complete, in order…

Belt presses (or press belts or double belt presses as they are equally usefully known), as their name implies, use the pressure of a belt on a mass of wet…

The great success of the filter press has led to several other designs of filter employing the plate principle, most notably the vertical filter press (or tower press as this…

The main development of the filter press from the simpler versions just described has been to include an impervious elastomeric sheet in each plate compartment (one for each plate on…

The first main development from the basic plate and frame structure saw the alternating plate and frame replaced by a single set of plates, each two sided, with a  raised collar…

Even in its most highly automated form the filter press is a relatively simple machine, comprising a series of flat filter chambers mounted vertically one beside the other, between two…

Although one of the oldest types of filter, the filter press has, over the last century, been the most important of the process pressure filters, and remains important to this…

The leaf and plate filters are batch filters, and a critical element in their selection is the capacity of the filter for the amount of cake to be treated in…

The vibrating disc filter has its filter elements ranged horizontally in a vertical cylindrical pressure vessel. This vessel has a large-angled conical base around a large diameter discharge port (Figure…