Abstract
Sludge and biosolids samples were analyzed microbiologically according to NOM-004-SEMARNAT-2002, of the Intermunicipal System of Wastewater Treatment and Disposal of the municipalities of Rincon (SITRATA) for a period of 10 months in 2017, the most were found within the LMP according to regulations. In addition, it was detected that the use of peracetic acid in doses greater than 0.1 % v/v may be an alternative disinfection in its use in sludge, to reduce the microbiological load, before being used in crops. Physicochemical analyzes were performed on samples of mud and soil to determine their N and P content, finding that the solid mud has 1.19 % of N and 3.51 % of P2O5 determined on a dry basis; which correspond to high values of these macronutrients, essential for crops. Greenhouse tests were carried out with application doses of 0 to 100 percent by weight of biosolids incorporated into the soil, to measure the crop yield of radish (Raphanus sativus), onion (Allium cepa) and carrot (Daucus carota), resulting in Agronomic dose of 20 % w/w the highest yield.
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