Abstract：
:In this study employed an anoxic moving bed biofilm reactor (AnMBBR) to evaluate the effects of hydraulic and toxic shocks on performance reactor. The results indicated a relatively good resistance of system against exercised shocks and its ability to return to steady-state conditions. In optimal conditions when there was the maximum rate of atrazine and soluble chemical oxygen demand (COD) removal were 74.82% and 99.29% respectively. Also, atrazine biodegradation rapidly declines in AnMBBR from 74% ± 0.05 in the presence of nitrate to 9.12% only 3 days after the nitrate was eliding from the influent. Coefficients kinetics was studied and the maximum atrazine removal rate was determined by modified Stover & Kincannon model (Umax = 9.87 gATZ/m3d). Results showed that AnMBBR is feasible, easy, affordable, so suitable process for efficiently biodegrading toxic chlorinated organic compounds such as atrazine. Also, its removal mechanism in this system is co-metabolism.
journal_name
J Environ Managejournal_title
Journal of environmental managementauthors
Derakhshan Z,Ehrampoush MH,Mahvi AH,Ghaneian MT,Mazloomi SM,Faramarzian M,Dehghani M,Fallahzadeh H,Yousefinejad S,Berizi E,Bahrami Sdoi
10.1016/j.jenvman.2018.02.043subject
Has Abstractpub_date
2018-04-15 00:00:00pages
506-513eissn
0301-4797issn
1095-8630pii
S0301-4797(18)30150-6journal_volume
212pub_type
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