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. Author manuscript; available in PMC: 2014 Jan 15.
Published in final edited form as: Water Res. 2012 Sep 18;46(19):6454–6462. doi: 10.1016/j.watres.2012.09.020

Figure 5.

Figure 5

Effect of dissolved SiO2 on the rate of H2O2 decomposition by aquifer materials and stoichiometric efficiency (inset). [SiO2] = 2 mM, [H2O2]0 = 250 mM, [phenol]0 = 0.5 mM, [solid] was either 150 g/L (SDIR9) or 50 g/L (all other aquifer materials), [borate] = 10 mM, pH = 8.2 – 8.5.