Such a primary treatment can consist of sand and grit removal, grease trap, compost filter, septic tank, Imhoff tank, anaerobic baffled reactor or uaerobic or facultative bacteria.
2.
Influent wastewater ( either raw or as effluent from primary clarification ) serves as the electron source for the facultative bacteria to metabolize carbon, using the inorganic nitrate as a source of oxygen instead of dissolved molecular oxygen.
3.
Antimicrobials that reduce the number of the strict anaerobic component of the gut flora ( i . e ., metronidazole ) generally should not be given because they may enhance systemic infection by aerobic or facultative bacteria, thus facilitating mortality after irradiation.
4.
Antimicrobial agents that decrease the number of the strict anaerobic component of the gut flora ( i . e ., metronidazole ) generally should not be given because they may enhance systemic infection by aerobic or facultative bacteria, thus facilitating mortality after irradiation.
5.
Anaerobes and facultative bacteria were also isolated from 50 percent of the patients from whom " Chlamydia " and " Neisseria " were recovered; thus, anaerobes and facultative bacteria were present in the upper genital tract of nearly two-thirds of the PID patients.
6.
Anaerobes and facultative bacteria were also isolated from 50 percent of the patients from whom " Chlamydia " and " Neisseria " were recovered; thus, anaerobes and facultative bacteria were present in the upper genital tract of nearly two-thirds of the PID patients.
7.
The Betaproteobacteria consist of several groups of facultative bacteria that are often highly versatile in their degradation capacities, but also contain chemolithotrophic genera ( e . g ., the ammonia-oxidising genus " Nitrosomonas " ) and some phototrophs ( members of the genera " Rhodocyclus " and " Rubrivivax " ).
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