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Industry Column
What is a filter press used for

Filter press is a solid-liquid separation equipment, mainly including filtration and purification processes, applied in multiple fields.



Environmental protection: municipal sludge, rural sludge, tap water sludge, industrial wastewater sludge, river and lake sludge, etc.


New materials: zirconia, graphene, magnetic materials, nanomaterials, polylactic acid, and new polymer materials.


Chemical industry: titanium dioxide, white carbon black, dyes, pigments, fluorine chemical industry, lithium chemical industry, nickel cobalt chemical industry, etc.


Sand and gravel aggregate: Wet sand making of construction sand and gravel (machine made sand).


Mineral and processing: coal washing (clean coal, coking coal, etc.), smelting wastewater, treatment and metal ore (iron ore, zinc ore, etc.).


Food: starch, sugar, alcohol, fats, fruit juice pectin, plant protein, soy sauce, and food additives.


New energy: lithium batteries, photovoltaics, nuclear energy; In the field of lithium batteries, filter presses are used in the filtration, washing, and wastewater treatment processes of lithium mines, salt lake lithium extraction, positive electrode materials, graphite negative electrodes, PVDF resin materials, and lithium battery recycling.


Medicine: pharmaceutical intermediates, traditional Chinese patent medicines and simple preparations, APIs, hyaluronic acid, health products, antibiotics, vitamins, etc.