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Ultrasonic Sonochemistry System, Ultrasonic Water Treatment Device

Ultrasonic Sonochemistry System
January 02, 2024
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Ultrasonic cavitation effect:
When treating liquids with high-intensity ultrasound, the sound waves propagating into the liquid medium will generate alternating cycles of high pressure (compression) and low pressure (sparsity), with the rate depending on the frequency. During low-pressure cycles, high-intensity ultrasound can generate small vacuum bubbles or voids in the liquid. When bubbles reach a volume where they can no longer absorb energy, they collapse violently in high-pressure cycles, a phenomenon known as cavitation. During the explosion, the local area will reach very high temperatures (about 5000K) and pressures (about 2000atm). The collapse of cavitation bubbles also leads to a liquid jet velocity of up to 280m/s, and the shear force generated mechanically stirs the liquid to fully mix the reactants.
So, with the cavitation effect of ultrasound in liquids, ultrasound sonochemical equipment can be applied to extraction, crushing, mixing, emulsification, dispersion, stirring, defoaming and degassing, accelerating reactions, etc.