Abstract:BACKGROUND: Aluminium-based drinking water treatment residual (Al-DWTR) has been used as an emergent substrate in laboratory-scale and pilot-scale biofiltration systems (biofilters and constructed wetlands) for its good affinity for phosphorus (P) adsorption. However, there is a concern about whether the P adsorption process will contribute to substrate clogging. Two laboratory-scale up-flow biofiltration systems were set up to identify the contribution of the P adsorption process to clogging under various ope… Show more
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