Abstract

This paper describes a research to use an innovative combined biological process, upflow sludge blanket filter (USBF), that rapidly and economically remove BOD, niotogen and phosphorus from domestic wastewater. The USBF design was a continuous flow system incorporating the aeration zone, clarifier and anoxic zone into a single tank. The research showed a result of 85%, 90%, 94% and 75% for COD, BODs, nitrogen and phosphorus removal, respectively. This is concluded that USBF can be used as a simple and economic method to treat domestic wastewater.