Effect of Physical and Chemical Activation on the Removal of Hexavalent Chromium Ions Using Palm Tree Branches

<table>SEM micrographs for (a) raw Palm shell, (b) 20% H<sub>3</sub>PO<sub>4</sub>, (c) 50% H<sub>3</sub>PO<sub>4</sub>, (d) K<sub>2</sub>CO<sub>3</sub>, and (e) steam.</table>

International Scholarly Research Notices

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Figure 1

Figure 1: Effect of Physical and Chemical Activation on the Removal of Hexavalent Chromium Ions Using Palm Tree Branches 