Phosphorus and nitrogen removal in light-weight aggregate (LWA) constructed wetlands and intermittent filter systems

aerobiose aerobiosis aguas fecales ammonia ammoniac azote barrage bioremediation cisternas citerne dams filters filtre filtros fosforo fraccionamiento fractionation fractionnement longevidad longevity lutte antipollution nitrogen noruega norway phosphore phosphorus pollution control pollution de l'eau porosidad porosity purification de l'eau represas sewage sorption tanks tratamiento de aguas residuales wastewater treatment water pollution water purification