Abstract：
:An innovative plant configuration based in an UASB reactor coupled to a hybrid aerobic membrane bioreactor designed for sustainable treatment of municipal wastewater at ambient temperatures and low hydraulic retention time was studied in terms of organic micropollutants (OMPs) removal. OMPs removal mechanisms, as well as the potential influence of biomass activity and physical conformation were assessed. Throughout all periods of operation (150 days) high organic matter removals were maintained (>95%) and, regarding OMPs removal, this innovative system has shown to be more efficient than conventional technologies for those OMPs which are prone to be biotransformed under anaerobic conditions. For instance, sulfamethoxazole and trimethoprim have both shown to be biodegradable under anaerobic conditions with similar efficiencies (removal efficiencies above 84%). OMPs main removal mechanism was found to be biotransformation, except in the case of musk fragrances which showed medium sorption onto sludge. OMPs removal was strongly dependent on the efficiency of the primary metabolism (organic matter degradation and nitrification) and the type of biomass.
journal_name
Chemospherejournal_title
Chemosphereauthors
Alvarino T,Suárez S,Garrido M,Lema JM,Omil Fdoi
10.1016/j.chemosphere.2015.09.016subject
Has Abstractpub_date
2016-02-01 00:00:00pages
452-8eissn
0045-6535issn
1879-1298pii
S0045-6535(15)30103-Xjournal_volume
144pub_type
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