Figure 8.
Influence of pH on Hg(II) adsorption (dosage = 0.05 g/L, temperature = 298 K, [Hg(II)] = 30 mg/L, contact time = 6 h) (a) and ζ potential curve diagram of SBA-15, M-SBA-15, and PPy-PANI/M-SBA-15 (b).
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