Which process requires grounding for operational safety and effectiveness?

The option concerning ozonation as the process requiring grounding for operational safety and effectiveness is based on the inherent characteristics and operational requirements of ozone generators. Ozone, a powerful oxidizing agent, is used in water treatment for disinfection and removing impurities.

Ozone generators typically produce ozone through electrical discharges or ultraviolet light, which can create high voltage and present a risk of electrical hazards if not properly managed. Grounding the equipment ensures that any stray electrical currents are safely directed away, thereby reducing the risk of electric shock and enhancing the safe operation of the system. Additionally, proper grounding helps to protect sensitive equipment and ensures that the generated ozone does not create unwanted electrical interference.

In contrast, processes like pretreatment, chlorination, and filtration may have their own operational safety considerations, but they do not specifically require grounding to the extent that ozonation does. Chlorination involves the addition of chlorine, which does not involve high voltages, while filtration is a mechanical process and does not deal with electrical components. Pretreatment processes vary widely and may not directly involve electrification that necessitates grounding. Thus, when focusing on the specific safety protocols associated with the generation of ozone, grounding is indeed essential for ensuring operational safety and effectiveness.