Environmental Engineering Reference
In-Depth Information
rBC train influent tests
•
Dissolved oxygen
• pH
• Temperature
• Settleable solids
• BOD
5
• Suspended solids
Metals
•
rBC test
Speed of rotation
•
rBC train effluent tests
Dissolved oxygen
•
•
• Jar tests
pH
Process effluent tests
Dissolved oxygen
•
•
pH
•
Settleable solids
•
BOD
5
Suspended solids
•
7.4.6 Troubleshooting operational Problems
*
The following sections are not all inclusive; that is, they do not
cover all of the operational problems associated with the rotating bio-
logical contactor process. They do, however, provide information on the
most common operational problems.
7.4.6.1 White Slime
Symptom
White
•
slime on most of the disk area
Causal factors
High
•
hydrogen sulfide in influent
Septic
•
influent
•
First stage overloaded
*
Much of the information in this section is based on Culp, G.L. and Heim, N.F.,
field
manual for Performance evaluation and Troubleshooting at municipal Wastewater
Treatment facilities
, U.S. Environmental Protection Agency, Washington, D.C., 1978.
