Arsenate Removal from Water by Simultaneous Green Tea Nano-Zerovalent Iron and Ultrasonic Wave

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="457868.fig.004a" src="https://static.hindawi.com/articles/isrn/volume-2014/457868/figures/457868.fig.004a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Ultrasonic power = 0 W</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="457868.fig.004b" src="https://static.hindawi.com/articles/isrn/volume-2014/457868/figures/457868.fig.004b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Ultrasonic power = 150 W</td></tr></table></td></tr><tr class="fig-image" id="c"><td><img alt="457868.fig.004c" src="https://static.hindawi.com/articles/isrn/volume-2014/457868/figures/457868.fig.004c.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(c) </b>Ultrasonic power = 300 W</td></tr></table></td></tr></table>

<table>As(V) removal efficiency versus pH at different ultrasonic powers.</table>

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Figure 4

Figure 4: Arsenate Removal from Water by Simultaneous Green Tea Nano-Zerovalent Iron and Ultrasonic Wave 