Cold-climate constructed wetlands: Aerobic pre-treatment and horizontal subsurface flow systems for domestic sewage and landfill leachate purification

aerobiose aerobiosis aguas fecales aguas residuales azote barrage bioremediation cisternas citerne cold zones dams descarga filters filtre filtros flow rate fosforo gasto household wastes landfills leachates lessivat lixiviados longevidad longevity nitrification nitrogen noruega norway organic matter phosphore phosphorus pollution de l'eau porosidad porosity purification de l'eau represas sewage sorption tanks tratamiento de aguas residuales wastewater wastewater treatment water pollution water purification zona fria zone froide