The ammonia-N removal ability of B. amyloliquefaciens
was not satisfying, because when the ammonia-N concentration
was below 20 mg l-1, the removal rate was at best
39.4% and the ammonia-N concentration cannot be reduced
below 10 mg l-1. Past literature seems to suggest
that Bacillus species are not very efficient in ammonia removal,
and no ammonia removal efficiency of a single
Bacillus strain has been reported to exceed 90%. Therefore,
to create a microbal agent which can simultaneously
eliminate nitrite and ammonia, B. amyloliquefaciens NH
can be formulated with efficient ammonia reducing bacteria,
such as nitrifying bacteria (Meng et al. 2009)
The ammonia-N removal ability of B. amyloliquefacienswas not satisfying, because when the ammonia-N concentrationwas below 20 mg l-1, the removal rate was at best39.4% and the ammonia-N concentration cannot be reducedbelow 10 mg l-1. Past literature seems to suggestthat Bacillus species are not very efficient in ammonia removal,and no ammonia removal efficiency of a singleBacillus strain has been reported to exceed 90%. Therefore,to create a microbal agent which can simultaneouslyeliminate nitrite and ammonia, B. amyloliquefaciens NHcan be formulated with efficient ammonia reducing bacteria,such as nitrifying bacteria (Meng et al. 2009)
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