Frame press filter was first applied toChemical IndustryDehydrating machinery. Although plate and frame filter presses are typically intermittent in operation, require significant capital investment in infrastructure, and have lower filtration capacity, they are favored for their high filtration driving force and high solid content in the filter cake.Filter EffluentClear, solidRecycling RateHigh efficiency and low consumption are still widely used in some small-scale wastewater treatment plants.