Design and Performance of an Innovative Hybrid Constructed Wetland for Sustainable Pig Slurry Treatment in Small Farms

Simple and suitable treatment of swine slurry from small farms is paramount especially in sensitive areas. This paper evaluates the viability an innovative nature-based technology hybrid system (a Vertical Flow Constructed Wetland followed by a Horizontal both planted with reeds – Phragmites australis ) to treat for further land application or discharge water bodies reduced nitrogen impact. Physicochemical parameters, bacterial indicators, surface deposits biomass inside filters were monitored. The configuration offered dual function simultaneous solid-liquid separation biological treatment. Removal organic matter suspended solids was very high (>80% SS >75% COD BOD 5 while overall load removal 65%, due combined nitrification/denitrification processes, thus effectively reducing content. influence temperature design operational parameters on efficiency hydraulic behavior also studied. vertical constructed wetland achieved good performance no clogging problems, despite pollutant loads. Some pollutants retained mineralized deposit layer, increasing around 20 cm each year. biosolid layer improved filtration efficiency. ammonia contents interfered growth , concentration determine operation be implemented.