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فناوری منابع زیستی
جزئیات رویداد
اینستاگرام تی پی بین
همایش ، رویداد ، ژورنال
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  • modeling the fate and effect of benzalkonium chlorides in a continuous-flow biological nitrogen removal system treating poultry processing wastewater

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    • تاریخ ارائه: 1390/01/01
    • تاریخ انتشار در تی پی بین: 1390/01/01
    • تعداد بازدید: 660
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     the fate and effect of the antimicrobial compounds benzalkonium chlorides (bacs) on the biological nitrogen removal (bnr) processes for a continuous-flow, three-stage laboratory-scale bnr system were modeled. three kinetic sub-models, corresponding to each reactor, were developed and then combined in a comprehensive asm1-based model. kinetic parameters for the three sub-models were evaluated using experimental data obtained from independent batch assays. the biodegradation of bacs was modeled with a mixed-substrate monod equation. the inhibitory effect of bacs on the utilization of degradable cod and denitrification was modeled as competitive inhibition, whereas non-competitive inhibition was used to model the effect of bacs on nitrification and inhibition coefficients were evaluated. the model simulated well the long-term performance of the bnr system treating a poultry processing wastewater with and without bacs. enhanced bac degradation by heterotrophs and increased resistance of nitrifiers to bacs, reflecting acclimation/enrichment over time, is a salient feature of the model.

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