20080257812 | Jet Loop Wastewater Treatment System - The current invention is referred to a process for biological wastewater treatment. One or more ejectors pump atmospheric oxygen in a bioreactor by aspirating air. The innovative concept of the system relies on the installation of the ejector (s) over and outside of the liquid to be treated at the bioreactor. The operation of the system consists basically in one centrifugal pump per ejector, that pumps the effluent through the ejector, creating with the effluent the liquid motor that aspires air in specific points of the ejector. The ejector (s) are used for bioreactors having a minimum depth of 7.5 m and a draft tube inside. The ejector is characterized by a set of non moving pieces ( | 10-23-2008 |