Abstract
ABSTRACT In this work, the performance of a bench-scale integrated system for oilfield wastewater was investigated. This system contained dissolved air flotation (DAF), yeast bioreactor, up-flow anaerobic sludge blanket reactor (UASB), and biological aerated filter. Under the optimized conditions, the overall removal efficiencies of chemical oxygen demand, suspended solids, oil, and polyacrylamide were 95.7%, 88.8%, 99.6%, and 97.0%, respectively. DAF removed most of the oil components, and the residual oil was efficiently degraded by yeast bioreactor. The biodegradability of the effluent was enhanced by UASB. The final effluent can meet the grade I national wastewater discharge standard of China.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.