To prevent over feeding fluoride chemical, what must be used?

To prevent the overfeeding of fluoride chemical in water treatment systems, one essential tool is a break box, often used in the context of chemical feed systems. A break box acts as a safety mechanism that interrupts the flow of the chemical if a certain level of flow is exceeded, or if the system detects that the fluoridation is not functioning properly. This helps to maintain the correct dosage and prevents excessive fluoride from entering the water supply, which is crucial for health and regulatory compliance.

Utilization of a break box ensures that the feeding system operates within safe and predetermined parameters, thereby preventing health risks associated with fluoride overconsumption. The break box can also automatically stop or adjust the chemical feed if it detects irregularities, further enhancing safety in the water treatment process.

Other devices, such as flow meters, can measure the rate of flow but do not inherently control or stop chemical feed, while chlorinators are specifically designed for chlorine delivery, not fluoride. A mixing tank may help in the uniform mixing of chemicals, but by itself, it does not provide control over the feeding rates. Thus, using a break box is critical for managing fluoride dosage effectively within treatment operations.