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Nitrification in a vertically moving biofilm system.
(Journal of Environmental Management, 2006-06-01)
A laboratory continuous feed biofilm reactor, comprising a bulk fluid reactor, a biofilm plastic module, a feed tank, pneumatic devices and controls, was operated for a total period of 257 days, including seeding time, to ...
A novel hybrid filter for the treatment of septic tank effluent.
(ASCE Journal of Environmental Engineering, 2006-06-01)
Intermittent sand filtration is a common and effective method for treating septic tank effluent. However, if the loading rate is too high, clogging and ponding of the sand filter surface layer can occur due to the accumulation ...