RESUMENSe analizó la dinámica biológica presente en un sistema piloto de lombricultura con la especie Eisenia foetida para el manejo de biosólidos provenientes de la Planta de Tratamiento Aguas Residuales -PTAR-Salitre, Bogotá D. C., con el fin de establecer la influencia de los organismos presentes en la transformación y translocación de la materia orgánica -MO-, la eficiencia de este proceso, así como la calidad del humus y su posible uso como abono orgánico. Esto, mediante análisis biológicos en diferentes etapas. En la primera fase del sistema se identificó que los biosólidos están clasificados como tipo B de acuerdo con la EPA (Agencia de Protección del Medioambiente de los EE. UU.), y presentan condiciones desfavorables para su aplicación a cultivos agrícolas. Sin embargo, luego de dos meses de procesamiento biológico, el humus tuvo características similares a las de un compost maduro, con baja presencia de microorganismos patógenos, así como también un leve aumento en la diversidad y equitatividad de la meso y la macrofauna. 14 Álvaro Chávez Porras -Alejandra Rodríguez González -Fabián Eduardo González Gómez Universidad de Medellín ANALYSIS OF BIOLOGICAL DYNAMICS REMAINS IN VERMICULTURE PILOT SYSTEM FOR THE MANAGEMENT OF BIOSOLIDS RISING FROM WASTEWATER ABSTRACTThe biological dynamics in a pilot vermiculture system with the Eisenia foetida specie for managing biosolids taken from the waste water treatment plant, WWTP -Salitre, Bogotá D.C., was analyzed to establish the influence of organisms present in the process of transformation and translocation of organic matter (OM); the study also considers the process efficiency, and the quality of humus and its possible used as mulch. The study was performed by biological analysis in different phases of the process. In the first phase of the process, the biosolids were identified as type B according to the EPA (United States Environmental Protection Agency) showing unfavorable condition for application to crops. However, after two months of biological processing, humus had similar characteristics to those of mature compost with low level of pathogenic microorganism, as a slight increase in diversity and evenness of meso and macrofauna.
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