Before revision: In water and waste water treatment a flocculant is often added prior to settling to form larger particles that settle out quickly in a settling tank, clarifier or lamellasettler , leaving the water with a lower turbidity.
After revision: In water and waste water treatment a flocculant is often added prior to settling to form larger particles that settle out quickly in a settling tank, (lamella) clarifier , leaving the water with a lower turbidity.