An enhanced activated sludge wastewater treatment method increases volumetric pollutant loading, hydraulic loading capacity and nutrient removal efficiency at a conventional activated sludge wastewater treatment plant. The method describes the control of return activated sludge rates, and the operation...http://www.google.es/patents/US20040016698?utm_source=gb-gplus-sharePatente US20040016698 - Enhanced activated sludge treatment
Número de solicitud: 10/621,492 Número de publicación: US 2004/0016698 A1 Fecha de presentación: 17 Jul 2003 Patente emitida: US6783671 ( Fecha de emisión 31 Ago 2004)