Functional group of CBF adsorbed numerously colloidal particles and formed micro flocs during mixing.Micro flocs formed compact large flocs and sedimentated speedily.

• CBF的官能团在搅拌过程中大量吸附水中的胶体颗粒形成微絮体，微絮体再形成结构紧密的大颗粒快速下沉。