Análisis de la piedra pómez utilizada como filtro en el tratamiento de aguas residuales provenientes de la industria de productos lácteos “Píllaro” ubicada en el cantón Píllaro provincia de Tungurahua

Abstract

To develop this experimental work, I located a dairy industry with the purpose of providing us with residual water coming from the production process of the milk derivates. After that, a metallic structure of profiles is elaborated which serves as a support of a filter of sewage. The filter container is plastic. Next, we obtained the material that in this case is pumice store. The test was carried out in a granulometry and density ways. It was done in the laboratory of the Faculty of civil and Mechanical Engineering. The volume of material used for the elaboration of the filter is of 35 liters of granular material, with a flow rate of 0.105 liters per minute. The filtration process will be performed during 90 days. The filter must be constantly running from which it will get samples of filtered water as well as unfiltered water. It has been analyzed 3 important parameters such as, Chemical Demand of Oxygen, Biochemical Demand of Oxygen after’s days, oils and fats. The physical-chemical analyzes of the water were carried out with the specifications of the Ecuadorian Technical Standard NTE INEN 2 169: 98; In the laboratories of quality control: Lacquanálisis and in the National University of Chimborazo. At the end of the filter operating time, the material was tested as a filter medium, using the results obtained from the residual water analysis, as well as the percentages that decrease or increase the value of the parameters to demonstrate the efficiency of the filter. Filter taking into account the Unified Text of Secondary Legislation of the Ministry of the Environment (TULSMA).