Single reactor activated sludge system Graeme Anderson, Business Development Manager for Environmental Solutions International, describes the BNR activated sludge system, recently installed in ...

MBRs, or membrane bioreactor systems, combine either flat-plate or hollow-strand plastic membranes spotted with tiny pores and a conventional activated-sludge biological system.

Since IFAS operates as an activated sludge process, operators of similar systems will be comfortable with it. Further, the settling characteristics of the MLSS are comparable or better than those of ...

A biological solids reduction process that uses a side-stream anaerobic reactor (Cannibal process) was investigated to better understand why variations in solids reduction occur in field installations ...

The dominant wastewater treatment and re-use technologies in the Middle East are conventional activated sludge systems with tertiary filtration and disinfection, or with tertiary MF/UF and Reverse ...

A 1.0-mgd (3,785-cu m/day) wastewater treatment plant designed for biological phosphorus removal within an activated sludge system was evaluated over a variety of operating conditions during its first ...