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Fig. 9 | Nanoscale Research Letters

Fig. 9

From: Silica Aerogel-supported Hydrozincite and Carbonate-intercalated Hydrotalcite for High-efficiency Removal of Pb(II) Ions by Precipitation Transformation Reactions

Fig. 9

Recycling for the removal of Pb(II) by a pristine SA-Zn-HZ, saturated SA-Zn-HZ (SA-Zn-HZ-Pb (40.5%)), and saturated SA-Zn-HZ after calcination; b pristine SA-Zn3Al-HT, saturated SA-Zn3Al-HT (SA-Zn-HZ-Pb (35.0%)), and saturated SA-Zn3Al-HT after calcination. Initial Pb(II) concentration 100 ppm; adsorbent dose 0.5 g L−1; contact time 24 h, solution pH 6.0 ± 0.1; temperature 30 °C

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