Secondary Clarifier*** This course is still in the CEU pre-approval process for numerous states. You still can take this course though and submit your own certificate.

In this section we will discuss how to

Troubleshooting and Optimize Secondary Clarifiers in a biological wastewater treatment plant

Secondary Clarifiers are a main component in a wastewater treatment plant and often under valued.

The purpose of the clarifier is two-fold.

First of all it has to act as a thickener as well as a clarifier.

The second purpose, obviously is while settling

the solids, a clear supernatant should be produced and this is the

final effluent. So yes,

Thickening up the return sludge and clarification of the effluent

are both important here.