Algal biomass pretreatment in Seawater Reverse Osmosis.
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Dixon, Mike B.
Boerlage, Siobhan F.E.
Assiyeh Alizadeh Tabatabai, S.
Pearce, Graeme K.
Schippers, Jan C.
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Harmful algal blooms (HABs) can result in a substantial increase in the organic and solids load in the seawater feed to be treated at a desalination plant. In this chapter, the removal of this material is addressed in the context of the multi-barrier treatment process for seawater reverse osmosis (SWRO) as presented in Chapter 8 on risk management for HAB events. While this chapter covers removal of non-toxic material, Chapter 10 builds upon these principles and discusses the mechanisms and effectiveness for each barrier with respect to toxin removal. This chapter covers only the main barriers used in the SWRO desalination plants for HAB bloom risk mitigation, though the authors acknowledge that other niche treatment barriers exist in SWRO systems. The treatment processes discussed here are chlorination and dechlorination, dissolved air flotation (DAF), granular media filtration (GMF), microscreens for microfiltration/ultrafiltration (MF/UF), MF/UF itself, cartridge filtrati.....
Title of ReportHarmful Algal Blooms (HABs) and Desalination: a Guide to Impacts, Monitoring and Management.
Editor(s) of ReportAnderson, D.M.
PublisherIntergovernmental Oceanographic Commission of UNESCO
Series;NrIntergovernmental Oceanographic Commission Manuals and Guides;78
Sustainable Development Goals (SDG)14.1
Best Practice TypeManual
CitationDixon, Mike B.; Boerlage, Siobhan F.E.; Voutchkov, N.; Henderson, R.; Wilf, M.; Zhu, I.; Assiyeh Alizadeh Tabatabai, S.; Amato, T.; Resosudarmo, A.; Pearce, G. K.; Kennedy, M.; Schippers, J.C. and Winters, H. (2017) Algal biomass pretreatment in Seawater Reverse Osmosis. In: Harmful Algal Blooms (HABs) and Desalination: A Guide to Impacts, Monitoring and Management. (eds. Anderson D. M.; Boerlage, S. F. E. and Dixon, M.B.) Paris, France, Intergovernmental Oceanographic Commission of UNESCO, pp.253-314 (IOC Manuals and Guides No. 78). DOI: http://dx.doi.org/10.25607/OBP-314