CPC Subgroup
B01D 21/01 using flocculating agents (for purifying water C02F1/52; for liquid radioactive waste G21F9/10)
Full Title
Separation of suspended solid particles from liquids by sedimentation ( ; differential sedimentation B03D3/00; devices for separating or removing fatty or oily substances or similar floating material from water, waste water or sewage C02F1/40) > using flocculating agents (for purifying water C02F1/52; for liquid radioactive waste G21F9/10)