A system and method for removing pollutants from wastewater. The system includes a constructed wetland cell in which the filtered wastewater is flowed generally vertically. The flow of wastewater is unsaturated through the wetland cell to aerate the wastewater. The wastewater may be further aerated by...http://www.google.es/patents/US6652743?utm_source=gb-gplus-sharePatente US6652743 - System and method for removing pollutants from water
System and method for removing pollutants from water
