Patent ID: 8834727
Filing Date: 2014-09-16
Classification: C02F,E03F,F04F,Y02W

Abstract:
1. A wastewater treatment system comprising: a pressure vessel having a liquid input, the liquid input configured to be in fluid communication with a pretreatment device, the pretreatment device comprising one or more of a filter, treatment tank or a settlement chamber; an inlet flow regulator positioned for regulating gas pressure in the pressure vessel; a gas supply port configured for routing gas used for increasing gas pressure within the pressure vessel; a pressure vessel discharge conduit for flowing fluid from within the pressure vessel to a downstream system for treating liquid or treating off gas or both; wherein the discharge conduit is configured to flow liquid and then flow gas not entrained in the liquid from the pressure vessel after gas pressure above the liquid in the pressure vessel exceeds a discharge threshold to flow the liquid out of the pressure vessel via the discharge conduit and then flow gas not entrained in the liquid out of the pressure vessel via the discharge conduit.