... solid is kept in the chambers, to separate solid and liquid. Filter Press Usages: Pollution treatment: Stone wastewater, ... , silica sand, spray soil grain, mud, abrasive resistance and meters brick materials, artificial black lead, hydrated lime, mica ... dehydrated vegetables, coarse sugar, pineapple juice, corn starch.Metallurgical mining: Coal Washing, lead powder, zinc powder oxygen, the diamond ...