The film on the rbc is the biological growth that consumes the bod/dissolved solids. They don't really get cleaned outside of being taken offline but that would be similar to taking one of your aeration basins offline, isnt really done unless you have a longer term mechanical issue or a micro growth you need to eliminate. Sloughing (pieces of the film falling off) happen naturally as part of the process and keep the film from becoming too thick. Not sure if that answers anything. If you just mean failure and cleaning, power washer or high pressure hose.
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I'm in Alabama how do you clean RBC's we don't use this process !
The film on the rbc is the biological growth that consumes the bod/dissolved solids. They don't really get cleaned outside of being taken offline but that would be similar to taking one of your aeration basins offline, isnt really done unless you have a longer term mechanical issue or a micro growth you need to eliminate. Sloughing (pieces of the film falling off) happen naturally as part of the process and keep the film from becoming too thick.
Not sure if that answers anything. If you just mean failure and cleaning, power washer or high pressure hose.