Measurement of Stream Reaeration Rate Coefficients Using Propane Gas

by Brian F. Friedmann, Massachusetts Div of Water Pollution, Control, Westborough, United States,
Frederic C. Blanc, Massachusetts Div of Water Pollution, Control, Westborough, United States,



Document Type: Proceeding Paper

Part of: Air-Water Mass Transfer

Abstract: Three determinations of the reaeration rate coefficient, K2, were made on a 1185-m reach of the upper Assabet River in Westborough and Northborough, Massachusetts, using a steady-state propane gas tracer method. The Kpr calculated for each run was converted to K2 based on literature-reported ratios of gas transfer for oxygen and propane. These K2 values were compared to ones which had been previously used in developing a wasteload allocation affecting this reach of the Assabet River. The results suggested that a higher K2 could have been used in developing the original wasteload allocation.

Subject Headings: Rivers and streams | Ecological restoration | Aeration | Recycling | Probe instruments | Oxygen transfer | Steady states | Waste treatment | North America | Massachusetts | United States

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