... ,leather wastewater, printingCeramics class: kaolin, superfine glass powder, fire-proof material, silica sand, spray soil grain ... , aluminum oxide, calcium carbonate.Food: sugar, salt, alkali, monosodium glutamate, soya-bean milk, yeast, glucose powder, wheat starch, ... mining: Coal Washing, lead powder, zinc powder oxygen, the diamond powder, aluminum and iron powder. Filter Press Working Principle ...