by ebs | Dec 3, 2010 | Aerated Stabilization Basins
Aerated Stabilization Basin (ASBs) performance can be associated with numerous root causes, both chronic and intermittent. The three main conditions leading to loss of system performance and potential permit violations are discussed below. Temporary upsets due to...
by ebs | Nov 18, 2010 | Aerated Stabilization Basins, Filamentous Bacteria Identification
Filamentous bulking has long been the bane of activated sludge operations. Biomass or sludge bulking is generally defined as mixed liquor with a Settled Volume Index (SVI) of >150 ml/g. However, sludge bulking does not definitively translate to a sludge bulking...
by ebs | Nov 1, 2010 | Activated Sludge Systems, Aerated Stabilization Basins
In North America, there are predominantly two systems used to biologically treat industrial wastewater: the aerated stabilization basin (ASB or aerated lagoon) and the activated sludge system. These two systems have far more similarities than differences. Both pro...