The photocatalytic degradation of methyl tert-butyl ether (MTBE) was investigated in the aqueous slurry of titanium dioxide (TiO2) particles irradiated with xenon lamp in a batch reactor, in the presence and absence of hydrogen peroxide. The reaction was found to follow a pseudo-first-order kinetics and the initial reaction rate constant increased by raising the TiO2 loading and reached an apparent optimum value at 0.5 g TiO2/L. The addition of small amounts of hydrogen peroxide to the TiO2 slurry, which is generally known to enhance the oxidation process in treating organic pollutants, decreased the initial MTBE degradation rate by as much as nearly 50%. However, this trend was reversed and reaction rate approached a plateau at higher concentration levels of hydrogen peroxide.
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Zang, Y., Farnood, R. Effect of Hydrogen Peroxide on the Photocatalytic Degradation of Methyl tert-butyl Ether. Top Catal 37, 91–96 (2006). https://doi.org/10.1007/s11244-006-0009-6
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DOI: https://doi.org/10.1007/s11244-006-0009-6