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The effect of prehydrolysis and the presence of silicate and/or sulfate on polyaluminum coagulants were investigated. A new Al-Ferron kinetics method was developed to monitor and calculate Al speciation. The results showed that the Al-Ferron kinetics fit a binary pseudo first order rate equation. Sulfate and silicate had different influences on Al-Ferron kinetics. Al-Ferron complexation timed spectrophotometry...
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