agricultural irrigation Public Pools Industry Water treatments Environment Civil works Gardening Firefighting Gas washing Installation of biogas biological desulfurization system for environmental purposes. Related projects Environment Aeration composting plant in Algarve, Portugal Aerostrips in tarragona treatment plant Airing in compostation floor in Motril Composting floor air – Exterior Composting floor air – Interior Desalination Desalination Barcelona Dosages Gas washing Instrumentation System for treatment of leaching Waterproofing impermeabilization Wells and network of biogas in rubbish dump