Application of a Rotating Biological Contactor and Moving Bed Biofilm Reactor Hybrid in Bioremediating Surimi Processing Wastewater
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Surimi processing wastewater characteristically contains high quantities of organic materials. Continuous discharge of this wastewater into the ocean, especially from near-shore facilities, causes serious harm to the marine environment. A combination of rotating biological contactor and moving bed biofilm reactor processes was used in the present study for the treatment of surimi processing wastewater. Using this combined continuous system, 100% protein, 96% influent NH4+-N and 85% COD were removed from the effluent (COD/TKN ratio 2.1:1) in a hydraulic retention time of 48 h, without adding an external carbon source. Therefore, an odour-free treated effluent was generated. Results suggest effective remediation of surimi processing wastewater using this combination system and better performance as compared to reactors previously reported.
KeywordsBioremediation Rotating biological contactor Moving bed biofilm reactor Surimi processing wastewater Simultaneous nitrification–denitrification
This work was supported by the National Fund for Basic, Strategic and Frontier Application Research in Agriculture (NFBSFARA), Indian Council of Agricultural Research (ICAR), New Delhi, India, for financial grant [NFBSFARA/WQ-2022/2011-12].
Compliance with Ethical Standards
Conflict of interest
The authors declare that they have no conflict of interest to publish this manuscript.
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