Cinética de procesos químicos en la Ciénaga de Tesca
DOI:
https://doi.org/10.26640/22159045.110Keywords:
Cartagena, the Tesca Swamp, echosystem, DBO method, nutrients, sedimentAbstract
The information required for the calibration of a mathematical model of the ecosystem of Cienaga de Tesca (the Tesca Swamp) is presented, it was obtained by carrying out analytical techniques. The kinetic parameters of biochemical oxidation were obtained by the "DBO method", while the measurement of (luxes rates of nutrients across the interfase between the sediment and the water column were evaluated using Fick's Law and the model of organic matter decomposition." The kinetic constant of the ammonization process resulted in 0.23 dia-1, and it was also found that the first and second state of nitrification were 0,09 y 0,44 día-1, respectively. High flow rates of fluids were observed and oscillated between 30 to 4300 mg.m-2día-1 for ammonia an 0.4 a 3.5 mg.m-2día-1 for phosphate.
Bental flow rates for nutrients were several orders of magnitude greater than the reported one in the fountains revised, indicating that quantitatively this biogeochemist process provides great amounts of ammonia and phosphate to the Marsh waters, negatively affecting negatively the water quality of this echosystem.
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