If the activation process of silica is not carefully controlled, what could be the consequence?

The activation process of silica plays a crucial role in water treatment, particularly in the flocculation process. When silica is not carefully activated, it may not form the desired floc particles that are essential for effective aggregation of impurities in the water. If the activation is insufficient or uncontrolled, it can lead to a situation where the silica fails to effectively interact with other particles in the water, which inhibits the formation of flocs. This means that instead of aiding in gathering particles together for easy removal, the poorly activated silica may actually prevent optimal floc formation, making the sedimentation and filtration processes less efficient.

In contrast, more controlled activation of silica typically promotes its ability to aid in floc formation, leading to larger, more cohesive aggregates that can be removed from the water. Other options such as enhancing floc formation, leading to better filtration, or stabilizing pH levels do not accurately reflect the consequences of improper activation of silica.