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Interactions of Temperature, pH, and Biomass on the Nitrification Process
Nazih Kh. Shammas
Journal (Water Pollution Control Federation)
Vol. 58, No. 1 (Jan., 1986), pp. 52-59
Published by: Water Environment Federation
Stable URL: http://www.jstor.org/stable/25042841
Page Count: 8
You can always find the topics here!Topics: Nitrification, Activated sludge, Nitrogen, Water pollution, Ammonia, Oxidation, Nitrites, Coefficients, Nitrosomonas, Mathematical constants
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Fill-and-draw completely mixed activated sludge reactors were used to determine the effects of MLVSS concentration, pH, and temperature on nitrification rate. Forty-five experiments were divided into three series of MLVSS concentrations. Each series of 15 experiments were distributed among three different pH groups. In each group, five experiments were conducted at 4°, 10°, 17°, 25°, and 33°C. The best nitrification performance was obtained at pH 8.3, between 25° and 33°C. There was no interaction between the effects of temperature and pH. However, a change in biomass concentration altered both the pH and temperature dependence of the process. The temperature coefficient is expressed as a function of MLVSS concentration.
Journal (Water Pollution Control Federation) © 1986 Water Environment Federation