Hello,
I have some problems with scum on the top of anaerobic digester. Does anyone know what this could be? In the biological sludge there are bacteria Nocardia A.
Many thanks.
Mr. Francesco Baldini
Nocardia are known to form scum but in activated sludge processes as they are aerobic organisms.
You should consider your loading rate. If it is too high could lead to scum formation. Appropriate mixing can also help solve the problem.
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