At present, there is no unified concept of flocculant. A relatively accurate view is that all substances used to produce flocculent precipitation of solute, colloid or suspended particles in aqueous solution are called flocculants. No matter the inorganic or organic matter is added, as long as the flocculent precipitation process can occur, it can be called flocculant. If a flocculant contains two or more substances to flocculate, the flocculant is called compound flocculant....