As with any other technology, ozone provides excellent results when it is used correctly. Main reasons behind failed trials or applications are:

• Most users cannot quantify ozone output from the ozone generator (Ozone analyzers are very expensive) and rely on manufacturers claim. Most ozone generators are over-sold & produce much less ozone than rated output. Good news is that there are some manufacturers in the market who provide genuine products.
• Most users don’t fully understand that solubility of ozone in water is quite low especially when the temperature of water is high. Using a diffuser or venturi to mix ozone in water is very inefficient. Most of ozone is wasted as off-gas and desired results are not achieved.
• Ozone systems are plagued with leakage problems due to the aggressive nature of ozone gas. Most systems start leaking after few months of operation & then it is a constant battle. Good news is that some manufacturers have solved this problem.
• Ozone systems use high voltage (~15 KV) to produce ozone. These systems are extremely sensitive to feed gas humidity and can fail within hours due to short-circuiting. Most manufacturers understate the importance of feed gas quality control.

Ozone provides excellent results in cooling water treatment as biocide & corrosion inhibitor, wastewater treatment as coagulant aid and odor control applications.