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Ultrafiltration for environmental safety in shellfish production:A case of bloom emergence

     

摘要

The process of ultrafiltration(UF)of natural seawater often encounters the problems of variation in water quality and coastal blooms.To validate the feasibility of UF in shellfish farms,this study compared the hydraulic performance and pollutant removal efficiency of the UF process with those of the commonly used treatments that combine several filtration steps with ultraviolet(UV)disinfection.The comparison was conducted in the cases of natural seawater and a coastal bloom.Given that the UF process encountered the specific type of pollution,this study evaluated the filtration performance of the UF process and the retention of total suspended solids(TSS),bacteria,phytoplankton,and zooplankton.A real coastal bloom was considered in the case study of an experimental shellfish hatchery/nursery in France.The results show that both treatments were able to eliminate approximately 50%of TSS.However,in contrast with UV treatment combined with filtration,the UF process retained total amounts of phytoplankton,zooplankton,and bacteria in the bloom.Although the hydraulic performance of the UF process was impacted by the coastal bloom,the fouling was eliminated through chemical cleaning conducted at a frequency less than once per 12 h.Despite the severe pollution,this study confirmed the pollution resistance and treatment performance of the UF process,indicating that UF has the potential to enhance the biosecurity level.

著录项

  • 来源
    《水科学与水工程》|2021年第1期|46-53|共8页
  • 作者单位

    Aix-Marseille Universit(e) M2P2 UMR 7340 (e)quipe Proc(e)d(e)s Membranaires Laboratoire de M(e)canique Mod(e)lisation et Proc(e)d(e)s Propres Aix en Provence 13545 France;

    Plateforme Exp(e)rimentale Mollusques Marins Station Ifremer de Bouin Polder des Champs Bouin 85230 France;

    Plateforme Exp(e)rimentale Mollusques Marins Station Ifremer de Bouin Polder des Champs Bouin 85230 France;

    Suez-Aquasource Toulouse 31029 France;

    Suez-Aquasource Toulouse 31029 France;

    Aix-Marseille Universit(e) M2P2 UMR 7340 (e)quipe Proc(e)d(e)s Membranaires Laboratoire de M(e)canique Mod(e)lisation et Proc(e)d(e)s Propres Aix en Provence 13545 France;

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  • 正文语种 eng
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  • 入库时间 2023-07-26 01:35:57

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