Cavitation is like the phenomena of the formation, growth and subsequent collapse of micro-bubbles or cavities occurring in very tiny interval of time(milliseconds) cathartic giant magnitudes of energy at range of locations in the reactor.

Mechanism of Cavitation

• —The destruction/oxidation of pollutants using cavitation is usually described by two approaches. These are as follows
  • Free radical attack, and
  • Pyrolysis
• —Violent collapse of the cavities results in the formation of hydroxyl radical.
• —Radicals attack the pollutants either in the caviting bubbles, bulk liquid or at the gas liquid interface.
• —High temperature generated in the bubbles and breaks the chemical bond.

Application of Cavitation

• The destruction/oxidation of pollutants using cavitation is usually described by two approaches. These are as follows.
  • Free radical attack, and
  • Pyrolysis
• Violent collapse of the cavities results in the formation of hydroxyl radicals.
• Radicals attack the pollutants either in the caviting bubbles, bulk liquid or at the gas liquid interface.
• High temperature generated in the bubbles and breaks the chemical bond .

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