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Accession: PRJEB15116 ID: 396857

Evaluation of anionic surfactant removal in anaerobic reactor with Fe(III) supplementation

The objective of this study was to evaluate the removal of linear alkylbenzene sulfonate (LAS) associated with Fe(III) supplementation using an expanded granular sludge bed (EGSB) reactor. The reactor was inoculated with a granular sludge obtained from a full scale UASB plant that treated effluent from a poultry slaughterhouse and fed with synthetic wastewater containing a specific LAS loading rate (SLLR) of 1.5 mg.gVS-1.d-1 (~ 16.4 mgLAS L-1 influent) and supplied with 7.276 µMol L-1 (~ 410 mgFe L-1) of Fe(III). The biomasses from the inoculum and at the end of the EGSB-Fe operation (127 days) were characterized using 16S rRNA Ion Tag sequencing. An increase of 20 % in the removal efficiency was observed compared to reactors without Fe(III) supplementation that was reported in the literature, and the LAS removal was approximately 84 %. The Fe(III) reduction was dissimilatory (the total iron concentration in the influent and effluent were similar) and reached approximately 64 %. The higher Fe(III) reduction and LAS removal were corroborated by the enrichment of genera, such as Shewanella (only EGSB-Fe - 0.5 %) and Geobacter (1 % - inoculum; 18 % - EGSB-Fe). Furthermore, the enrichment of genera that degrade LAS and/or aromatic compounds (3.8 % - inoculum; 29.6 % – EGSB-Fe of relative abundance) was observed for a total of 20 different genera.

The objective of this study was to evaluate the removal of linear alkylbenzene sulfonate (LAS) associated with Fe(III) supplementation using an expanded granular sludge bed (EGSB) reactor. More...
AccessionPRJEB15116
ScopeMonoisolate
SubmissionRegistration date: 2-Aug-2017
Escola de Engenharia de São Carlos, Universidade de São Paulo - São Carlos, SP, Brazil
Locus Tag PrefixBQ1786
Project Data:
Resource NameNumber
of Links
Sequence data
SRA Experiments2
Other datasets
BioSample2
SRA Data Details
ParameterValue
Data volume, Mbases43
Data volume, Mbytes35

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  • Evaluation of anionic surfactant removal in anaerobic reactor with Fe(III) suppl...
    Evaluation of anionic surfactant removal in anaerobic reactor with Fe(III) supplementation
    The objective of this study was to evaluate the removal of linear alkylbenzene sulfonate (LAS) associated with Fe(III) supplementation using an expanded granular sludge bed (EGSB) reactor. The reactor was inoculated with a granular sludge obtained from a full scale UASB plant that treated effluent from a poultry slaughterhouse and fed with synthetic wastewater containing a specific LAS loading rate (SLLR) of 1.5 mg.gVS-1.d-1 (~ 16.4 mgLAS L-1 influent) and supplied with 7.276 µMol L-1 (~ 410 mgFe L-1) of Fe(III). The biomasses from the inoculum and at the end of the EGSB-Fe operation (127 days) were characterized using 16S rRNA Ion Tag sequencing. An increase of 20 % in the removal efficiency was observed compared to reactors without Fe(III) supplementation that was reported in the literature, and the LAS removal was approximately 84 %. The Fe(III) reduction was dissimilatory (the total iron concentration in the influent and effluent were similar) and reached approximately 64 %. The higher Fe(III) reduction and LAS removal were corroborated by the enrichment of genera, such as Shewanella (only EGSB-Fe - 0.5 %) and Geobacter (1 % - inoculum; 18 % - EGSB-Fe). Furthermore, the enrichment of genera that degrade LAS and/or aromatic compounds (3.8 % - inoculum; 29.6 % – EGSB-Fe of relative abundance) was observed for a total of 20 different genera.
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