Abstract：
:The fungicide carbendazim is an ecotoxic agent affecting aquatic biota. Due to its suspected hormone-disrupting effects, it is considered a "priority hazard substance" by the Water Framework Directive of the European Commission, and its degradation is of major concern. In this work, a horizontal tubular biofilm reactor (HTBR) operating in plug-flow regime was used to study the kinetics of carbendazim removal by an acclimated microbial consortium. The reactor was operated in steady state continuous culture at eight different carbendazim loading rates. The concentrations of the fungicide were determined at several distances of the HTBR. At the loading rates tested, the highest instantaneous removal rates were observed in the first section of the tubular biofilm reactor. No evidence of inhibition of the catabolic activity of the microbial community was found. Strains of the genera Flectobacillus, Klebsiella, Stenotrophomonas, and Flavobacterium were identified in the biofilm; the last three degrade carbendazim in axenic culture.
journal_name
Bioprocess Biosyst Engjournal_title
Bioprocess and biosystems engineeringauthors
Alvarado-Gutiérrez ML,Ruiz-Ordaz N,Galíndez-Mayer J,Santoyo-Tepole F,Curiel-Quesada E,García-Mena J,Ahuatzi-Chacón Ddoi
10.1007/s00449-016-1717-3subject
Has Abstractpub_date
2017-04-01 00:00:00pages
519-528issue
4eissn
1615-7591issn
1615-7605pii
10.1007/s00449-016-1717-3journal_volume
40pub_type
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