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فناوری منابع زیستی
جزئیات رویداد
همایش ، رویداد ، ژورنال
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  • nitrate reduction by organotrophic anammox bacteria in a nitritation/anammox granular sludge and a moving bed biofilm reactor

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    • تاریخ ارائه: 1390/01/01
    • تاریخ انتشار در تی پی بین: 1390/01/01
    • تعداد بازدید: 545
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    • شماره تماس دبیرخانه رویداد: -
     the effects of volatile fatty acids (vfas) on nitrogen removal and microbial community structure in nitritation/anammox process were compared within a granular sludge reactor and a moving bed biofilm reactor. nitrate productions in both systems were lower by 40–68% in comparison with expected nitrate production. expected sludge production on vfas was estimated to be 67–77% higher if heterotrophs were the main acetate degraders suggesting that anammox bacteria used its organotrophic capability and successfully competed with general heterotrophs for organic carbon, which led to a reduced sludge production. fish measurements showed a population consisting of mainly anammox and aob in both reactors and oxygen uptake rate (our) tests also confirmed that flocculent biomass consisted of a minor proportion of heterotrophs with a large proportion of aobs. the dominant anammox bacterium was candidatus “brocadia fulgida” with a minor fraction of candidatus “anammoxoglobus propionicus”, both known to be capable of oxidizing vfas.

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