[Environmental research: Smell, wastes, water, cleaning agents]

aguas residuales consommation consumo consumption danemark denmark desechos dinamarca eau souterraine environmental impact groundwater impact sur l'environnement impacto ambiental lodos residuales manejo de desechos odeur olor pollution de l'eau sewage sludge smell surface active agents surfactant surfactantes waste management wastes wastewater water pollution