When using calcium hypochlorite for disinfection, how should it be prepared?

The correct approach for preparing calcium hypochlorite for disinfection involves dissolving it in water and allowing it to settle. This method is recommended because it ensures that the calcium hypochlorite is fully dissolved, which is critical for achieving the desired concentration of chlorine for effective disinfection. When calcium hypochlorite is first dissolved in water, it can create a solution that can be easily dosed into the water system. Allowing it to settle can help in removing any undissolved particles that may interfere with the disinfection process.

This preparation step is essential for ensuring that the system receives a consistent and efficient chlorine dosage, as solid particles might not contribute to the disinfection and could result in uneven application or even potential problems in the dosing system. Properly preparing calcium hypochlorite this way also helps in maintaining the quality of the disinfectant and the effectiveness of the treatment process.