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Nutrient Conversions by Photosynthetic Bacteria in a Concentrated Animal Feeding Operation Lagoon System

^a School of Civil Engineering and Environmental Science, College of Engineering, Univ. of Oklahoma, 202 W. Boyd Rm. 334, Norman, OK 73019
^b Dep. of Chemical Engineering, Rensselaer Polytechnic Institute, 110 8th St, Troy, NY 12180

View larger version (60K): [in a new window]   Fig. 1. Schematic of lagoon system. CAFO, concentrated animal feeding operation

View larger version (18K): [in a new window]   Fig. 2. Sulfide (), sulfate (), and bacteriochlorophyll a () as a function of time at (a) 0 m, (b) 1.5 m, and (c) 3.0 m for the south lagoon. Actual sulfate concentrations are divided by 10 to fit on graph

View larger version (19K): [in a new window]   Fig. 3. Chlorophyll a (), ammonium (), dissolved oxygen (), and sulfate () as a function of time at (a) 0 m, (b) 1.5 m, and (c) 3.0 m for the north lagoon