Diseño de una planta de tratamiento de efluentes textiles mediante la aplicación de un proceso de oxidación avanzada y un tratamiento biológico

Abstract

This paper presents the design of a wastewater textile treatment plant through advanced oxidation process and biologic process. Prior to the design, it was analyzed textile wastewater pollutant parameters and it was determinated the operating conditions for the ozonation process and aerobic biological treatment, laboratory scale were determined. From this, the mass balances were performed and the design criteria were defined to determine the dimensions of the main equipment and balance of energy; also, it was selected the main equipment and we realized the block diagrams (BPD), we developed process flow diagrams (PFD), piping and instrumentation diagrams, layout, lifting plans and equipment specification sheets. With this, the dimensions of a homogenizing tank, two reactors ozonation, aerobic biological reactor and a secondary clarifier. Agreement with local market catalogs, we were selected an ozone generator, two air filters, a dryer, an air blower, a refrigeration dryer, a kettle, a storage tank water an fuel. Finally, it was estimated an implementation cost of 332 351,45 USD, a monthly operation cost of 12 046,30 USD and a treatment cost of 1,76 USD/m3 for an average flow of 228 m3/day of textile effluent.