Theoretical Investigation of Oxygenating Bubble Plumes

by Gee Tsang, Natl Hydrology Research Inst, Saskatoon, Canada,



Document Type: Proceeding Paper

Part of: Water Quality Issues at Fossil Fuel Plants

Abstract:

Rehabilitation of lakes by oxygenation with air or oxygen plumes has been proven to be biologically feasible. Oxygenating plumes are released from areal sources and the gases are absorbed as the bubbles rise. The currently available bubble plume theories are inadequate to apply to such situations. In this paper, the physical processes governing the properties and behaviour of oxygenating plumes from areal sources are investigated. The problem is studied macroscopically from the hydraulic viewpoint and microscopically from the gas dynamic and bubble dynamic angles. Based on physical principles, the mathematical frame work relating the various parameters governing bubble plume motions, and gas absorption, is established. The next step will be solving the set of differential equations found and verification of the mathematical model with experimental data.

Subject Headings: Plumes | Lakes | Mathematics | Water treatment | Rehabilitation | Oxygen transfer | Mathematical models

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