TM 5-814-3/AFM 88-11, Volume III
15-12. Anaerobic contact process.
A further development of the high-rate digestion process allows separation and recycling of digested sludge
solids. Like the activated sludge process, detention and mean cell residence times are controlled. Denitrifica-
tion within these contact vessels approached 95 percent.
15-26
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