A Note on Enhancing Aeration via a Vortex-Based Cavitation Device.

ABSTRACT: There is growing interest in generating micro- or nanobubbles for enhancing aeration. Small bubbles not only enhance the interfacial area for gas-liquid mass transfer but also may enhance the equilibrium solubility if the size of the bubbles is small enough. In this note, we demonstrate the use of a vortex-based hydrodynamic cavitation device (VD) for generating small bubbles and enhancing aeration. Experimental results for conventional aeration and aeration with VD operated under three different conditions are presented. A reference case of potential degassing because of the low pressure generated in the cavitation device was also investigated. Experiments were carried out in a bubble column using DI water as the liquid phase. The dissolved oxygen (DO) concentration was measured using a p

SUBMITTER: Nayak JK 

PROVIDER: S-EPMC11822708 | biostudies-literature | 2025 Feb

REPOSITORIES: biostudies-literature