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本文以TiO2粉末作为光催化剂，研究光降解甲苯的可行性．结果表明，375W中压汞灯照射40min，甲苯被完全光催化降解．同时还研究了光催化剂TiO2的用量，外加H2O2、Cu2、Na离子等因素对甲苯光催化降解的影响，并从反应机理的角度给予解释。
In this paper, TiO2 powder as a photocatalyst to study the feasibility of photolyzing toluene. The results showed that toluene was totally photocatalytically degraded when irradiated with 375W medium pressure mercury lamp for 40 minutes. At the same time, the amount of photocatalyst TiO2, the influence of H2O2, Cu2 and Na ions on the photocatalytic degradation of toluene were also studied, and the explanation was given from the perspective of reaction mechanism.