A P.P. membrane plate, also known as a polypropylene membrane plate, is a type of filter plate used in filter presses for solid-liquid separation processes. This type of membrane plate incorporates a layer of polypropylene membrane material into its structure.

Here are the key features and functions of a P.P. membrane plate:

Polypropylene Construction: The primary material used in the construction of a P.P. membrane plate is polypropylene (P.P.). Polypropylene is chosen for its chemical resistance, durability, and suitability for use in a wide range of industrial applications.

Membrane Layer: The distinguishing feature of a P.P. membrane plate is the inclusion of a membrane layer made of polypropylene material. This membrane layer is integrated into the plate's structure and is designed to be flexible and elastic.

Inflation Capability: Similar to other membrane filter plates, a P.P. membrane plate is capable of being inflated or exerted with hydraulic pressure during the filtration process. This inflation of the membrane layer creates additional pressure on the filter cake, enhancing dewatering efficiency.

Enhanced Filtration Performance: The presence of the membrane layer improves the filtration performance of the filter press by exerting additional pressure on the filter cake. This leads to better solid-liquid separation and higher cake dryness compared to standard filter plates.

Controlled Filtrate Flow: P.P. membrane plates are designed with channels or grooves to direct the flow of the filtrate (liquid) towards the outlet ports of the filter press. This ensures efficient drainage and collection of the filtrate.

Compatibility: P.P. membrane plates are compatible with various types of filter cloths or membranes, including woven fabrics, non-woven materials, and filter membranes with different pore sizes and properties.

P.P. membrane plates are commonly used in industries where efficient dewatering and solid-liquid separation are essential, such as wastewater treatment plants, mining operations, chemical processing facilities, and pharmaceutical manufacturing. They offer advantages such as improved filtration efficiency, reduced cycle times, and higher cake dryness compared to standard filter plates.