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Elimination of micropollutants by NaAlo2 flocculation during primary treatment of mixed wastewater
Vanderborght, J.P.; Wollast, R. (1986). Elimination of micropollutants by NaAlo2 flocculation during primary treatment of mixed wastewater. Wat. Sci. Tech. 18(1): 67-74. https://dx.doi.org/10.2166/wst.1986.0007
In: Water Science and Technology. IWA Publishing: Oxford. ISSN 0273-1223; e-ISSN 1996-9732, meer
Peer reviewed article  
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  • Vanderborght, J.P., meer
  • Wollast, R., meer
Abstract
    The influence of NaAlO2 -flocculation of mixed wastewater was investigated by conducting laboratory tests and using a pilot-scale flocculation reactor. In comparison with the primary sedimentation, aluminate addition results in a lower residual concentration for Zn and Cd. For all metals under investigation (Cu, Cr, Zn, Cd, and Ni), the removal was found to be irreversible. Biological treatment was uninhibited by an addition of these metals when NaAlO2 -flocculation was provided.
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