Collection bod5 cod h.h p n green filter 90-95 90-95 95-99 85-90 90-95 nope nope rapid infiltration 90-95 70-80 90-95 25-40 30-95 reduced >6 months surface runoff 90-95 60-70 70-80 20-30 45-50 nope nope peat beds 80-85 80-85 90-95 10-30 10-50 0.5-1 > 1 year lagoons 80-95 60-80 70-90 40-60 55-85 5-10 years given the different functioning of a non-conventional wastewater treatment plant, it can be concluded that your choice will depend on various factors of the water, such as: flow and durations typology and composition of materials in suspension dispersion biodegradable
organic load in addition to depending on others such as: the weather the land human activities uses of the territory requirements required for the discharge of the final effluent. All these factors will decisively influence the standard performance that can e commerce photo editing be expected from the different treatment systems. Thus, when opting for a natural and low-cost solution, we will have to consider the factors, advantages and disadvantages and the rest of the aspects that allow us to correctly size our wastewater treatment plant. Merino, l.m. (ed.). (2002). The purification of urban wastewater from small towns through direct infiltration into the ground: fundamentals and practical cases.
Roca, j.m. (2005) rendimiento de los sistemas de biofiltros en el proceso de depuración de aguas.when addressing the problem of prl audits, we must start from the beginning with two essential ideas. The first is that the prl management system is considered, together with the quality and environment systems, as one of the three fundamental business management systems. Therefore, it has an international standard of voluntary application: the iso 45001 standard . In addition, as a management system based on an iso standard, it has a very precise internal and external audit methodology (for certification purposes). These auditing methodologies are developed in the iso 19011 standard. The second fundamental idea is that the