Application of Moving Bed Biofilm Reactor and Fixed Bed Hybrid Biological Reactor for Oilfield Produced Water Treatment: Influence of Total Dissolved Solids Concentration
نویسندگان
چکیده
This experimental paper deals with the development of a hybrid biological reactor for treatment synthetic oilfield produced water under an increase in total dissolved solids (TDS) concentration. To comply strengthening regulations concerning discharge and peculiar compositions, moving bed biofilm (MBBR) consisting combination free activated sludge supports was compared to fixed (FBHBR) support. After 216 days period, MBBR FBHBR were efficient treat chemical oxygen demand (COD) removal rate above 90% TDS concentrations from 1.5 20 g·L?1. Ecotoxicity measurements on freshwater marine microorganisms revealed absence toxicity treated waters. A decrease bacterial diversity indices respect inoculum observed both bioreactors. suggests that caused predominance low number species.
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ژورنال
عنوان ژورنال: Energies
سال: 2021
ISSN: ['1996-1073']
DOI: https://doi.org/10.3390/en14217297