1. Flocculant: sometimes called coagulant, it can be used as a means to strengthen solid-liquid separation, and it can be used in primary sedimentation tank, secondary sedimentation tank, flotation tank, tertiary treatment or advanced treatment.
2. Coagulant aid: Assist flocculant to play a role and strengthen coagulation effect.
3. Conditioner: also known as dehydrating agent, it is used to condition excess sludge before dehydration. The varieties include the above-mentioned flocculants and coagulant AIDS.
Baidu encyclopedia sewage treatment agent