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: Water Quality Issues at Fossil Fuel Plants

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 K_pr 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 | Aeration | Probe instruments | Ecological restoration | Recycling | Waste treatment | Waste management | Massachusetts | United States

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