This paper proposes a physical model of the process from the fractal dimensions, and points out that the particle surface energy decides the fractal dimensions of floccules after colliding.

• 在实验研究的基础上，进一步指出：在药剂加入的初始阶段，其流体剪切力方式极其重要，控制其流体剪切力方式，就能最大程度降低颗粒的表面能，得到较高分形维数的絮体。