- Amston Filter Press - How A Filter Press Works

An Amston Filter Press consists of a series of moulded ultra high molecular, heat stabilised polypropylene filter plates. Each of these plates are fitted with a filter medium. During filtration, the plates are compressed tightly by a hydrauic closing device.

Within the Amston Filter Press Sludge with suspending solids is fed at high pressure into the recessed chamber of the plates. While the solids are retained as compressed plates, the effluent is forced through the filter cloth (medium). One major advantage of the filter press is the abilty to treat the cake within the chambers. They could be washed to reduce, for example, acidity or toxicity before discharge. Use of and/or disposal of cake and effluent depends on the process purpose. The cakes are released into convenient storage containers and the effluent may be diverted for specific downstream purposes.

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