One of the most widely-used processes in the water and wastewater treatment industries is natural gravity settling. Vast numbers of clarifiers operate in the manufacturing, process and service ...

Journal (Water Pollution Control Federation), Vol. 51, No. 4 (Apr., 1979), pp. 815-833 (19 pages) Strategies that are proposed for control of the activated sludge process usually are designed to ...

The concentration of mixed liquor suspended solids (MLSS) in aeration tanks affects the required aeration tank volume and the surface area required for secondary settling. As the MLSS increases, the ...

Australian-based process contractor, Environmental Solutions International (ESI), has recently completed the commissioning of a new WwTP at South Caboolture in Queensland, based upon its BNR process.

Major improvements on the north side of Denver Metro Wastewater's Robert W. Hite Treatment Facility in north Denver included building a new wastewater process to treat centrate ammonia. That meant the ...