Fig. 8From: Silica Aerogel-supported Hydrozincite and Carbonate-intercalated Hydrotalcite for High-efficiency Removal of Pb(II) Ions by Precipitation Transformation ReactionspH values of the Pb(II) solutions versus time in the adsorption using SA-Zn-HZ and SA-Zn3Al-HT as adsorbentsBack to article page